* {
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            color: #2c3e50;
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0;
            box-sizing: border-box;
        }
        
        /* Header */
        .header {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(6px);
            padding: 1rem;
            position: static; /* header no fijo */
            width: 100%;
            box-shadow: none;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #3A8AAB;
            text-decoration: none;
        }
        
        .cta-button {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(58, 138, 171, 0.3);
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(58, 138, 171, 0.4);
            background: linear-gradient(135deg, #2c5f7c 0%, #1e4a5f 100%);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #2c5aa0 0%, #1e3a5f 100%);
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 70px 20px 40px;
            color: white;
            min-height: 60vh;
            width: 100%;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        
        /* ========== DESKTOP: 1366px ========== */
        @media (max-width: 1366px) {
            .hero {
                padding: 60px 20px 40px;
                min-height: 65vh;
            }
            .hero-content {
                gap: 2rem;
                padding: 0 10px;
            }
        }
        
        /* ========== TABLET: 768px - 1024px ========== */
        @media (max-width: 1024px) and (min-width: 769px) {
            .hero {
                padding: 50px 20px 35px;
                min-height: 55vh;
            }
            .hero-content {
                gap: 1.5rem;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                max-width: 350px;
            }
        }
        
        /* ========== MOBILE LANDSCAPE: 768px ancho ========== */
        @media (max-width: 768px) and (orientation: landscape) {
            .hero {
                padding: 30px 20px 20px;
                min-height: 90vh;
            }
            .hero-content {
                gap: 1rem;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-visual {
                max-width: 280px;
            }
        }
        
        /* ========== MOBILE: 481px - 768px ========== */
        @media (max-width: 768px) and (min-width: 481px) {
            .hero {
                padding: 45px 16px 30px;
                min-height: 50vh;
            }
            .hero-content {
                gap: 1.5rem;
            }
            .hero-text h1 {
                font-size: 2rem;
                line-height: 1.3;
            }
            .hero-text p {
                font-size: 1rem;
            }
            .btn-primary-hero {
                font-size: 1rem;
                padding: 12px 24px;
            }
            .mini-cert-inner {
                max-width: 280px;
                padding: 14px;
            }
        }
        
        /* ========== MOBILE: 412px - 480px (iPhone 12/14, Pixel 3) ========== */
        @media (max-width: 480px) and (min-width: 410px) {
            .hero {
                max-width: 390px !important;
                padding: 30px 14px 25px !important;
                min-height: 48vh !important;
                margin: 0 auto !important;
            }
            .hero-content {
                gap: 1.2rem;
            }
            .hero-text h1 {
                font-size: 1.7rem;
                line-height: 1.3;
                margin-bottom: 10px;
            }
            .hero-text p.subtitle {
                font-size: 0.95rem;
                margin-bottom: 16px;
            }
            .btn-primary-hero {
                font-size: 0.95rem;
                padding: 11px 22px;
            }
            .microbadge {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .hero-visual {
                width: 100%;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
                padding-left: 10px;
            }
            .hero-image-container {
                width: auto;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
            }
            .certification-mockup {
                width: 100%;
                max-width: 315px !important;
                margin: 0;
                overflow: visible;
                flex-shrink: 0;
            }
            .mini-cert {
                width: 100%;
                display: flex;
                justify-content: center;
                padding: 0 !important;
                margin: 0 auto;
                box-sizing: border-box;
            }
            .mini-cert-inner {
                max-width: 315px;
                padding: 12px;
                aspect-ratio: 5/3;
                margin: 0 auto;
            }
            .mini-cert-logos img {
                max-width: 70px;
                max-height: 50px;
            }
            .mini-cert-title {
                font-size: 0.7rem;
            }
            .mini-cert-name {
                font-size: 0.8rem;
            }
            .mini-cert-course {
                font-size: 0.65rem;
            }
            .sig-name {
                font-size: 0.6rem;
            }
        }
        
        /* ========== MOBILE PEQUEÑO: 385px - 409px (Pixel 3) ========== */
        @media (max-width: 409px) and (min-width: 385px) {
            .hero {
                max-width: 390px !important;
                padding: 30px 12px 20px !important;
                min-height: 46vh !important;
                margin: 0 auto !important;
            }
            .hero-content {
                gap: 1rem;
                padding: 0 !important;
            }
            .hero-text h1 {
                font-size: 1.5rem;
                line-height: 1.25;
                margin-bottom: 8px;
            }
            .hero-text p.subtitle {
                font-size: 0.9rem;
                margin-bottom: 14px;
            }
            .btn-primary-hero {
                font-size: 0.9rem;
                padding: 10px 20px;
                border-radius: 6px;
            }
            .hero-cta {
                margin-bottom: 0 !important;
                margin-top: 1rem !important;
            }
            .microbadge {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .hero-visual {
                width: 100%;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
                padding-left: 5px;
            }
            .hero-image-container {
                width: auto;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
            }
            .certification-mockup {
                width: 100%;                margin: 0;
                overflow: visible;
                flex-shrink: 0;
            }
            .mini-cert {
                width: 100%;
                display: flex;
                justify-content: center;
                padding: 0 !important;
                margin: 0 auto;
                box-sizing: border-box;
            }
            .mini-cert-inner {
                max-width: 200px;
                padding: 10px;
                margin: 0 auto;
            }
            .mini-cert-logos img {
                max-width: 60px;
                max-height: 45px;
            }
            .mini-cert-title {
                font-size: 0.65rem;
            }
            .mini-cert-name {
                font-size: 0.75rem;
            }
            .mini-cert-course {
                font-size: 0.6rem;
            }
            .sig-name {
                font-size: 0.55rem;
            }
        }
        
        /* ========== MOBILE EXTRA PEQUEÑO: 360px ========== */
        @media (max-width: 360px) {
            .certification-mockup {
                width: 100% !important;
                max-width: 290px !important;
                margin: 0 !important;
                overflow: visible;
                flex-shrink: 0;
            }
        }
        
        /* ========== MOBILE MUY PEQUEÑO: 360px - 384px (Samsung S5, S6) ========== */
        @media (max-width: 375px) {
            .hero {
                max-width: 390px !important;
                padding: 30px 12px 18px !important;
                min-height: 44vh !important;
                margin: 0 auto !important;
            }
            .hero-content {
                gap: 0.8rem;
            }
            .hero-text h1 {
                font-size: 1.35rem;
                line-height: 1.2;
                margin-bottom: 6px;
            }
            .hero-text p.subtitle {
                font-size: 0.85rem;
                margin-bottom: 12px;
            }
            .btn-primary-hero {
                font-size: 0.85rem;
                padding: 9px 18px;
                border-radius: 5px;
            }
            .microbadge {
                font-size: 0.7rem;
                padding: 4px 8px;
            }
            .hero-visual {
                width: 100%;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
                padding-left: 5px;
                padding-bottom: 20px !important;
            }
            .hero-image-container {
                width: auto;
                display: flex;
                justify-content: flex-start;
                align-items: center;
                max-width: none;
                overflow: visible;
            }
            .certification-mockup {
                width: auto;
                max-width: 170px;
                margin: 0;
                overflow: visible;
                flex-shrink: 0;
            }
            .mini-cert {
                width: 100%;
                display: flex;
                justify-content: center;
                padding: 0 !important;
                margin: 0 auto;
                box-sizing: border-box;
            }
            .mini-cert-inner {
                max-width: 170px;
                padding: 8px;
                margin: 0 auto;
            }
            .mini-cert-logos img {
                max-width: 50px;
                max-height: 40px;
            }
            .mini-cert-title {
                font-size: 0.6rem;
            }
            .mini-cert-name {
                font-size: 0.7rem;
            }
            .mini-cert-course {
                font-size: 0.55rem;
                line-height: 1.1;
            }
            .sig-name {
                font-size: 0.5rem;
            }
        }

        /* subtle left overlay to improve text contrast over background */
        .hero::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 48%;
            background: linear-gradient(90deg, rgba(0,0,0,0.35), rgba(0,0,0,0));
            pointer-events: none;
            z-index: 0;
        }

        /* Animated information flow background */
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .hero-bg .flow-line {
            position: absolute;
            left: -60%;
            width: 160%;
            height: 2px;
            background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(58,138,171,0.25), rgba(255,255,255,0.06));
            transform: translateY(0) translateX(0) skewX(-20deg);
            filter: blur(0.6px);
            opacity: 0.9;
            animation: flowMove linear infinite;
        }

        /* variations */
        .hero-bg .flow-line.i1 { top: 18%; height: 1px; animation-duration: 8s; opacity: 0.6; }
        .hero-bg .flow-line.i2 { top: 30%; height: 2px; animation-duration: 12s; opacity: 0.5; }
        .hero-bg .flow-line.i3 { top: 42%; height: 1.5px; animation-duration: 10s; opacity: 0.45; }
        .hero-bg .flow-line.i4 { top: 56%; height: 1px; animation-duration: 14s; opacity: 0.35; }
        .hero-bg .flow-line.i5 { top: 68%; height: 1.25px; animation-duration: 11s; opacity: 0.4; }

        @keyframes flowMove {
            0% { transform: translateX(-60%) skewX(-20deg); }
            50% { transform: translateX(-10%) skewX(-20deg); }
            100% { transform: translateX(60%) skewX(-20deg); }
        }

        /* Accent lines (gold) */
        .hero-bg .flow-gold { background: linear-gradient(90deg, rgba(255,215,0,0.08), rgba(255,215,0,0.28), rgba(255,215,0,0.08)); filter: blur(0.4px); }

        /* Respect reduced motion */
        @media (prefers-reduced-motion: reduce) {
            .hero-bg .flow-line { animation: none; transform: translateX(0) skewX(-20deg); }
        }

        /* Mobile adjustments */
        @media (max-width:640px) {
            .hero-bg .flow-line { opacity: 0.08; filter: blur(0.2px); }
            .mini-cert-inner { width: 100%; max-width: 300px; padding:12px; aspect-ratio: 5/3; overflow:visible; }
            .mini-cert-logos img { max-width:80px; max-height:60px; object-fit: contain; }
            .mini-cert-seal { display:none; }
        }

        .hero-content { position: relative; z-index: 3; }
        
        /* Neural Network Star Nodes */
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            z-index: 1;
            background: 
                /* Original Star positions */
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 20% 30%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 70% 20%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 80% 60%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 30% 70%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 60% 80%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.9)' font-size='16'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 10% 60%,
                /* Additional Star positions - Duplicated */
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 45% 15%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 85% 35%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 65% 50%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 15% 85%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 50% 65%,
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ctext x='10' y='15' text-anchor='middle' fill='rgba(135,206,235,0.8)' font-size='14'%3E✦%3C/text%3E%3C/svg%3E") no-repeat 25% 45%;
            background-size: 20px 20px;
            filter: drop-shadow(0 0 8px rgba(135,206,235,0.6));
        }
        
        /* Neural Connection Lines Container - Dynamic SVG */
        .neural-lines {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            z-index: 2;
            opacity: 0.9;
        }
        
        .neural-lines svg {
            width: 100%;
            height: 100%;
            filter: blur(0.3px);
            animation: neuralGlow 4s ease-in-out infinite;
        }
        
        .neural-lines path {
            stroke: rgba(135,206,235,0.8);
            stroke-width: 1.5;
            fill: none;
        }
        
        /* Neural particles - using additional pseudo-elements */
        .hero::before {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255,255,255,0.9), 0 0 20px rgba(255,255,255,0.5);
            animation: neuralParticle1 4s linear infinite;
            z-index: 4;
        }
        
        .hero-content::before {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(255,255,255,0.9), 0 0 25px rgba(255,255,255,0.6);
            animation: neuralParticle2 5s linear infinite;
            z-index: 4;
        }
        
        .hero-content::after {
            content: '';
            position: absolute;
            width: 5px;
            height: 5px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.8) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255,255,255,0.8), 0 0 18px rgba(255,255,255,0.4);
            animation: neuralParticle3 6s linear infinite;
            z-index: 4;
        }
        
        /* Additional Neural Particles - Duplicated */
        .hero-text::before {
            content: '';
            position: absolute;
            width: 7px;
            height: 7px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 14px rgba(255,255,255,0.9), 0 0 22px rgba(255,255,255,0.5);
            animation: neuralParticle4 5s linear infinite;
            z-index: 4;
        }
        
        .hero-text::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.85) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255,255,255,0.85), 0 0 20px rgba(255,255,255,0.45);
            animation: neuralParticle5 4.5s linear infinite;
            z-index: 4;
        }
        
        .hero-cta::before {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,0.8) 40%, transparent 70%);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255,255,255,0.8), 0 0 16px rgba(255,255,255,0.4);
            animation: neuralParticle6 7s linear infinite;
            z-index: 4;
        }
        
        /* Particle animations following exact neural pathways */
        @keyframes neuralParticle1 {
            /* Path 1: Star 1 → Star 2 → Star 3 */
            0% {
                left: 20%;
                top: 30%;
                opacity: 0;
                transform: scale(0.5);
            }
            10% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                left: 70%;
                top: 20%;
            }
            90% {
                left: 80%;
                top: 60%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 80%;
                top: 60%;
                opacity: 0;
                transform: scale(0.5);
            }
        }
        
        @keyframes neuralParticle2 {
            /* Path 2: Star 3 → Star 5 → Star 4 → Star 6 */
            0% {
                left: 80%;
                top: 60%;
                opacity: 0;
                transform: scale(0.5);
            }
            15% {
                opacity: 1;
                transform: scale(1);
            }
            35% {
                left: 60%;
                top: 80%;
            }
            65% {
                left: 30%;
                top: 70%;
            }
            95% {
                left: 10%;
                top: 60%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 10%;
                top: 60%;
                opacity: 0;
                transform: scale(0.5);
            }
        }
        
        @keyframes neuralParticle3 {
            /* Path 3: Diagonal Star 2 → Star 4 */
            0% {
                left: 70%;
                top: 20%;
                opacity: 0;
                transform: scale(0.3);
            }
            20% {
                opacity: 1;
                transform: scale(1);
            }
            80% {
                left: 30%;
                top: 70%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 30%;
                top: 70%;
                opacity: 0;
                transform: scale(0.3);
            }
        }
        
        @keyframes neuralParticle4 {
            /* Path 4: Star 6 → Star 1 → Star 2 */
            0% {
                left: 10%;
                top: 60%;
                opacity: 0;
                transform: scale(0.4);
            }
            15% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                left: 20%;
                top: 30%;
            }
            85% {
                left: 70%;
                top: 20%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 70%;
                top: 20%;
                opacity: 0;
                transform: scale(0.4);
            }
        }
        
        @keyframes neuralParticle5 {
            /* Path 5: Star 5 → Star 4 → Star 6 → Star 1 */
            0% {
                left: 60%;
                top: 80%;
                opacity: 0;
                transform: scale(0.3);
            }
            12% {
                opacity: 1;
                transform: scale(1);
            }
            30% {
                left: 30%;
                top: 70%;
            }
            60% {
                left: 10%;
                top: 60%;
            }
            90% {
                left: 20%;
                top: 30%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 20%;
                top: 30%;
                opacity: 0;
                transform: scale(0.3);
            }
        }
        
        @keyframes neuralParticle6 {
            /* Path 6: Reverse diagonal Star 1 → Star 3 → Star 5 */
            0% {
                left: 20%;
                top: 30%;
                opacity: 0;
                transform: scale(0.2);
            }
            20% {
                opacity: 1;
                transform: scale(1);
            }
            60% {
                left: 80%;
                top: 60%;
            }
            95% {
                left: 60%;
                top: 80%;
                opacity: 1;
                transform: scale(1);
            }
            100% {
                left: 60%;
                top: 80%;
                opacity: 0;
                transform: scale(0.2);
            }
        }
        
        
        /* Neural connection glow animation */
        @keyframes neuralGlow {
            0%, 100% {
                opacity: 0.6;
                filter: blur(0.5px);
            }
            50% {
                opacity: 0.9;
                filter: blur(0.3px);
            }
        }
        
        /* Reduce motion for accessibility */
        @media (prefers-reduced-motion: reduce) {
            .hero::after,
            .hero::before,
            .hero-content::before,
            .hero-content::after {
                animation: none;
                opacity: 0.3;
            }
        }

        /* Microbadge (small social proof under CTA) */
        .hero .microbadge {
            display: block;
            margin-top: 0.75rem;
            background: rgba(255,255,255,0.12);
            color: #fff;
            padding: 6px 12px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 6px 18px rgba(0,0,0,0.2);
            text-align: center;
            align-self: center;
        }

        /* CTA focus and accessibility */
        .btn-primary-hero:focus {
            outline: 3px solid rgba(255,215,0,0.6);
            outline-offset: 4px;
            box-shadow: 0 0 0 6px rgba(255,215,0,0.18);
        }

        /* Improve accessibility: larger hit area and visible label */
        .btn-primary-hero {
            padding: 20px 42px; /* slightly larger */
        }

        /* Responsive H1 tweaks for medium screens */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 1.9rem; }
        }
        
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            justify-content: center;
            max-width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        @media (min-width: 1400px) {
            .hero-content {
                max-width: 1200px;
                gap: 4rem;
            }
        }
        
        .hero-text {
            text-align: left;
        }
        
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff !important; /* ensure landing hero H1 remains white */
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        /* extra selector in case .hero-text h1 gets targeted elsewhere */
        .hero-text h1 { color: #fff !important; }
        
        .hero .subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
            line-height: 1.6;
            color: #e2e8f0;
        }
        
        .microconfianza {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .confianza-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .confianza-icon {
            font-size: 1.2rem;
        }
        
        .confianza-item span {
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .stars {
            color: #ffd700;
            font-size: 1.2rem;
        }
        
        .urgency-banner {
            background: linear-gradient(45deg, #e74c3c, #c0392b);
            color: white;
            padding: 15px 25px;
            border-radius: 25px;
            margin: 2rem auto;
            max-width: 600px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
            animation: pulse 2s infinite;
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        
        .urgency-banner p {
            margin: 0;
            font-size: 1.1rem;
            font-weight: 600;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.02); }
            100% { transform: scale(1); }
        }
        
        .hero-cta {
            display: flex;
            gap: 1rem;
            justify-content: flex-start;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: flex-start;
            margin-top: 1.7rem;
            margin-bottom: 1.3rem;
        }
        
        .btn-primary-hero {
            background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
            color: #2c3e50;
            padding: 18px 35px;
            border: 3px solid #ffd700;
            border-radius: 30px;
            font-size: 1.2rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            text-align: center;
            display: inline-block;
        }
        
        .btn-primary-hero:hover {
            transform: translateY(-3px);
            background: linear-gradient(135deg, #ffed4e 0%, #ffc947 100%);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
            border-color: #ffed4e;
        }
        
        .btn-primary {
            background: white;
            color: #3A8AAB;
            padding: 15px 30px;
            border: 2px solid #3A8AAB;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(58, 138, 171, 0.2);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            background: #3A8AAB;
            color: white;
            box-shadow: 0 8px 25px rgba(58, 138, 171, 0.3);
        }
        
        .btn-secondary {
            background: transparent;
            color: white;
            padding: 15px 30px;
            border: 2px solid white;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: white;
            color: #3A8AAB;
        }
        
        /* Hero Visual Elements */
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .hero-image-container {
            position: relative;
            width: 100%;
            max-width: 500px;
        }
        
        .certification-mockup {
            background: rgba(255, 255, 255, 0.95);
            color: #2c3e50;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 255, 255, 0.3);
            margin-bottom: 2rem;
        }

        .cert-preview-hero { display:flex; flex-direction:column; align-items:center; gap:0.8rem; }
        .cert-logos-hero { display:flex; gap:0.8rem; align-items:center; }
        .cert-logos-hero img { max-width:120px; width: 100%; height:60px; object-fit:contain; }
        .cert-mini { text-align:center; }
        .cert-mini-title { font-weight:700; color:#2c3e50; }
        .cert-mini-sub { color:#5a6c7d; font-size:0.9rem; }

        /* avoid header overlap when anchors are used */
        :target { scroll-margin-top: 90px; }

        /* Mini-certificate visual */
        .mini-cert { width: 100%; display:flex; justify-content:center; padding: 0 20px; box-sizing: border-box; }
        .mini-cert-inner { width: 100%; max-width: 420px; aspect-ratio: 5/3; background-color:#fffef9; border-radius:12px; padding:16px; border:1px solid #e6edf3; box-shadow: 0 8px 20px rgba(255,215,0,0.12); position:relative; overflow:visible; display:flex; flex-direction:column; justify-content:space-between; box-sizing: border-box; }
        .mini-cert-inner::before { content:''; position:absolute; inset:0; background:url('/img/paper-texture.png') repeat center/200px; opacity:0.06; pointer-events:none; border-radius:12px; }
        body[data-paper="off"] .mini-cert-inner::before { opacity:0 !important; }
        .mini-cert-logos { display:flex; justify-content:space-between; align-items:center; gap:8px; }
        .mini-cert-logos img { object-fit: contain; }
        .mini-cert-title { text-align:center; font-size:0.85rem; font-weight:700; color:#3A8AAB; letter-spacing:1px; margin-top:6px; }
        .mini-cert-name { text-align:center; font-size:0.95rem; font-weight:700; margin-top:4px; color:#2c3e50; }
        .mini-cert-course { text-align:center; font-size:0.8rem; color:#5a6c7d; margin-top:4px; }
        .mini-cert-signatures { display:flex; justify-content:space-between; gap:8px; margin-top:10px; }
        .mini-signature .sig-line { height:1px; background:#c9d9e6; margin-bottom:4px; }
        .mini-signature .sig-name { font-size:0.72rem; color:#2c3e50; text-align:center; }
        .mini-cert-seal { position:absolute; right:12px; top:12px; font-size:22px; background:rgba(255,255,255,0.88); padding:5px; border-radius:50%; box-shadow:0 4px 8px rgba(0,0,0,0.06); opacity:0.95; }
        
        .cert-header {
            text-align: center;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #3A8AAB;
            padding-bottom: 1rem;
        }
        
        .cert-logo {
            font-size: 3rem;
            margin-bottom: 0.5rem;
        }
        
        .cert-header h3 {
            color: #3A8AAB;
            font-size: 1.3rem;
            font-weight: 600;
            margin: 0;
        }
        
        .cert-body h4 {
            color: #2c3e50;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            text-align: center;
        }
        
        .cert-body p {
            color: #5a6c7d;
            text-align: center;
            margin-bottom: 1rem;
        }
        
        .cert-skills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }
        
        .skill-tag {
            background: #3A8AAB;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .professor-card {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            position: absolute;
            top: -20px;
            right: -20px;
            width: 280px;
        }
        
        .professor-avatar {
            font-size: 2.5rem;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3A8AAB, #2c5f7c);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(58, 138, 171, 0.3);
        }
        
        .professor-info h4 {
            color: white;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 0.25rem 0;
        }
        
        .professor-info p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            margin: 0 0 0.5rem 0;
        }
        
        .professor-rating {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .professor-rating span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .students-counter {
            background: rgba(255, 215, 0, 0.9);
            color: #2c3e50;
            padding: 1rem 1.5rem;
            border-radius: 25px;
            display: flex;
            align-items: center;
            gap: 1rem;
            position: absolute;
            bottom: -20px;
            left: -20px;
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
        }
        
        .counter-icon {
            font-size: 1.8rem;
        }
        
        .counter-number {
            font-size: 1.5rem;
            font-weight: 700;
            display: block;
        }
        
        .counter-label {
            font-size: 0.8rem;
            opacity: 0.8;
            display: block;
        }
        
        /* Main Content */
        .main-content {
            background: white;
            border-radius: 20px 20px 0 0;
            margin-top: -20px;
            position: relative;
            z-index: 10;
            padding: 0 20px;
        }
        
        .section {
            padding: 60px 0;
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }

        .section.animate-in {
            opacity: 1;
            transform: translateY(0);
        }
        
        .section h2 {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            color: #2c3e50;
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            text-align: center;
            color: #5a6c7d;
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Benefits Transformation Section */
        .benefits-transformation {
            background: #ffffff;
            padding: 80px 0;
        }
        
        .transformation-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }
        
        .transformation-benefit {
            background: #ffffff;
            padding: 2.5rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid #e1e8ed;
            box-shadow: 
                0 2px 4px rgba(0, 0, 0, 0.05),
                0 8px 16px rgba(58, 138, 171, 0.1),
                0 16px 32px rgba(58, 138, 171, 0.08),
                0 24px 48px rgba(58, 138, 171, 0.06);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .transformation-benefit::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .transformation-benefit:hover::before {
            transform: scaleX(1);
        }
        
        .transformation-benefit:hover {
            transform: translateY(-12px);
            box-shadow: 
                0 4px 8px rgba(0, 0, 0, 0.08),
                0 12px 24px rgba(58, 138, 171, 0.15),
                0 20px 40px rgba(58, 138, 171, 0.12),
                0 32px 64px rgba(58, 138, 171, 0.1);
            border-color: #3A8AAB;
        }

        .transformation-benefit:active {
            transform: none;
            box-shadow: 0 8px 25px rgba(58, 138, 171, 0.08);
            border-color: #e1e8ed;
        }

        .transformation-benefit:active::before {
            transform: scaleX(0);
        }
        
        .transformation-benefit .benefit-icon {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            display: block;
        }
        
        .transformation-benefit h3 {
            color: #2c3e50;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 2rem;
            line-height: 1.3;
        }
        
        .before-after {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2rem;
            gap: 1rem;
        }
        
        .before, .after {
            flex: 1;
            text-align: center;
        }
        
        .before .label, .after .label {
            display: block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
        }
        
        .before .label {
            color: #e74c3c;
        }
        
        .after .label {
            color: #27ae60;
        }
        
        .before p, .after p {
            font-size: 0.9rem;
            line-height: 1.4;
            margin: 0;
            color: #5a6c7d;
        }
        
        .arrow {
            font-size: 1.5rem;
            color: #3A8AAB;
            font-weight: 700;
            flex-shrink: 0;
        }
        
        /* Match hero gradient so benefit proof cards have consistent visual treatment */
        .benefit-proof {
            background: linear-gradient(135deg, #2c5aa0 0%, #1e3a5f 100%);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 15px;
            text-align: center;
            margin-top: auto;
        }
        
        .proof-stat {
            display: block;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: #ffd700;
        }
        
        .proof-text {
            font-size: 0.85rem;
            opacity: 0.9;
            min-height: 2.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .transformation-cta-section {
            text-align: center;
            background: linear-gradient(135deg, #f8fafc 0%, #e1e8ed 100%);
            padding: 3rem 2rem;
            border-radius: 25px;
            border: 2px solid #e1e8ed;
        }
        
        .transformation-cta-section h3 {
            color: #2c3e50;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .transformation-cta-section p {
            color: #5a6c7d;
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }
        
        .btn-transformation-small {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 15px 35px;
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(58, 138, 171, 0.3);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .btn-transformation-small:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(58, 138, 171, 0.4);
            background: linear-gradient(135deg, #2c5f7c 0%, #1e4a5f 100%);
        }
        
        /* Career Transformation Section - lighter background for readability */
        .career-transformation {
            background: #edf5fd;
            background-size: cover;
            background-position: center;
            color: #1a1a1a;
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }

        .career-transformation.animate-in {
            opacity: 1;
            transform: translateY(0);
        }
        
        .career-transformation::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: none;
            opacity: 1;
        }
        
        .transformation-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        
        .career-transformation h2 {
            color: #1a1a1a;
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 3rem;
            text-shadow: none;
        }
        
        .transformation-benefits {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .transformation-item {
            background: #ffffff;
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            backdrop-filter: none;
            border: 1px solid #eaeef2;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }
        
        .transformation-item:hover {
            transform: translateY(-10px);
            background: #ffffff;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            border-color: #3A8AAB;
        }
        
        .transformation-icon img {
            width: 200px;
            height: 200px;
            object-fit: contain;
            display: inline-block;
        }
        
        .transformation-item h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #2c3e50;
        }
        
        .transformation-item p {
            font-size: 1rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .transformation-cta {
            text-align: center;
        }
        
        .btn-transformation {
            background: linear-gradient(45deg, #3A8AAB, #2c5f7c);
            color: white;
            padding: 20px 40px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            font-size: 1.3rem;
            font-weight: 700;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(58, 138, 171, 0.4);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .btn-transformation:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.6);
            background: linear-gradient(45deg, #2c5f7c, #1e4a5f);
            border-color: rgba(255, 255, 255, 0.3);
        }
        
        .urgency-text {
            margin-top: 1.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c3e50;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .benefit-card {
            background: #ffffff;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid #e1e8ed;
            box-shadow: 0 4px 15px rgba(58, 138, 171, 0.08);
        }
        
        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(58, 138, 171, 0.15);
            border-color: #3A8AAB;
        }
        
        .scarcity-card {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: white;
            border: 2px solid #a93226;
        }
        
        .scarcity-card h3 {
            color: white;
        }
        
        .scarcity-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3);
        }
        
        .benefit-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .benefit-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #3A8AAB;
        }
        
        /* Instructor Section */
        .instructor-section {
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            padding: 80px 0;
        }
        
        .instructor-profile {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 4rem;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .instructor-image {
            text-align: center;
            position: relative;
        }
        
        .instructor-avatar {
            position: relative;
            display: inline-block;
        }
        
        .avatar-circle {
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: white;
            box-shadow: 0 20px 40px rgba(58, 138, 171, 0.3);
            border: 5px solid rgba(255, 255, 255, 0.9);
        }
        
        .instructor-badge {
            position: absolute;
            bottom: -20px;
            right: 0px;
            background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
            color: #2c3e50;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        
        .instructor-info h3 {
            color: #2c3e50;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .instructor-titles {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        
        .title-tag {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .instructor-description {
            color: #5a6c7d;
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        
        .instructor-achievements {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .achievement {
            text-align: center;
            padding: 1rem;
            background: rgba(58, 138, 171, 0.05);
            border-radius: 15px;
            border: 1px solid rgba(58, 138, 171, 0.1);
        }
        
        .achievement-number {
            display: block;
            font-size: 1.8rem;
            font-weight: 700;
            color: #3A8AAB;
            margin-bottom: 0.25rem;
        }
        
        .achievement-label {
            font-size: 0.85rem;
            color: #5a6c7d;
            font-weight: 500;
        }
        
        .instructor-specialties h4 {
            color: #2c3e50;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        .specialties-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .specialty {
            background: rgba(58, 138, 171, 0.1);
            color: #3A8AAB;
            padding: 0.4rem 0.8rem;
            border-radius: 15px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(58, 138, 171, 0.2);
        }
        
        /* Course Overview Section */
        .course-overview {
            background: linear-gradient(180deg, #f8fafc 0%, #f0f4f8 100%);
            padding: 80px 0;
            position: relative;
            transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        /* Animación al entrar en viewport */
        .course-overview::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(58, 138, 171, 0.3), transparent);
            animation: slideInLine 0.8s ease-out;
        }

        @keyframes slideInLine {
            from {
                transform: scaleX(0);
                opacity: 0;
            }
            to {
                transform: scaleX(1);
                opacity: 1;
            }
        }
        
        .overview-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .detail-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .detail-card {
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            padding: 1.5rem;
            border-radius: 15px;
            text-align: center;
            border: 2px solid #e1e8ed;
            transition: all 0.3s ease;
        }
        
        .detail-card:hover {
            transform: translateY(-5px);
            border-color: #3A8AAB;
            box-shadow: 0 10px 25px rgba(58, 138, 171, 0.15);
        }
        
        .detail-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .detail-card h3 {
            color: #2c3e50;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .detail-card p {
            color: #5a6c7d;
            font-size: 1rem;
            font-weight: 500;
        }
        
        .learning-outcomes {
            margin-bottom: 2rem;
        }
        
        .learning-outcomes h3 {
            color: #2c3e50;
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        
        .outcomes-list {
            list-style: none;
            padding: 0;
        }
        
        .outcomes-list li {
            color: #5a6c7d;
            font-size: 1rem;
            margin-bottom: 0.75rem;
            padding-left: 0;
            line-height: 1.5;
        }
        
        .btn-secondary-outline {
            background: transparent;
            color: #3A8AAB;
            padding: 12px 30px;
            border: 2px solid #3A8AAB;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }
        
        .btn-secondary-outline:hover {
            background: #3A8AAB;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(58, 138, 171, 0.3);
        }
        
        .course-cta {
            text-align: center;
            margin-top: 2rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        /* Video Section */
        .instructor-video {
            position: sticky;
            top: 100px;
        }
        
        .video-container {
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.15);
            border: 2px solid #e1e8ed;
        }
        
        .video-placeholder {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            height: 250px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .video-placeholder:hover {
            transform: scale(1.02);
        }
        
        .play-button {
            width: 80px;
            height: 80px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }
        
        .play-button:hover {
            background: white;
            transform: scale(1.1);
        }
        
        .play-icon {
            font-size: 2rem;
            color: #3A8AAB;
            margin-left: 5px;
        }
        
        .video-info {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            text-align: center;
        }
        
        .video-info h4 {
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .video-info p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }
        
        .video-instructor {
            padding: 1.5rem;
        }
        
        .instructor-mini {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .instructor-mini-avatar {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
        }
        
        .instructor-mini-info h5 {
            color: #2c3e50;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 0.25rem 0;
        }
        
        .instructor-mini-info p {
            color: #5a6c7d;
            font-size: 0.85rem;
            margin: 0;
        }
        
        /* Syllabus Section */
        /* ========== SYLLABUS SECTION ========== */
        .syllabus-section {
            background: #f8fafc;
            padding: 80px 0;
        }
        
        /* Grid para mostrar todos los módulos */
        .syllabus-grid {
            display: grid;
            grid-template-columns: 1fr; /* Una columna por defecto */
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        /* Contenedor de cada módulo */
        .module-detailed {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(58, 138, 171, 0.1);
            border: 2px solid #e1e8ed;
            transition: all 0.3s ease;
        }
        
        /* Efecto hover para módulos */
        .module-detailed:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.15);
            border-color: #3A8AAB;
        }
        
        /* Header del módulo (con fondo azul) */
        .module-header {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 2rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        
        /* Número del módulo en círculo */
        .module-number {
            width: 60px;
            height: 60px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.3);
            flex-shrink: 0;
        }
        
        /* Información del módulo (nombre y duración) */
        .module-info h3 {
            color: white;
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            margin: 0;
        }
        
        /* Metadatos (duración, unidades, etc) */
        .module-meta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .module-meta span {
            background: rgba(255, 255, 255, 0.2);
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        
        /* Contenido dentro del módulo (descripción, lecciones, etc) */
        .module-content {
            padding: 2rem;
        }
        
        .module-content h4 {
            color: #2c3e50;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        /* Lista de contenidos con bullets */
        .content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .content-list li {
            color: #5a6c7d;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
            line-height: 1.5;
        }
        
        /* Bullet point personalizado */
        .content-list li::before {
            content: '•';
            color: #3A8AAB;
            font-size: 1.2rem;
            position: absolute;
            left: 0;
            top: 0;
        }
        
        /* CTA final en el syllabus */
        .syllabus-cta {
            text-align: center;
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            padding: 3rem 2rem;
            border-radius: 25px;
            border: 2px solid #e1e8ed;
        }
        
        .syllabus-cta h3 {
            color: #2c3e50;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        
        /* Credibility Section */
        .credibility-section {
            background: #f7f9fb;
            padding: 80px 0;
        }
        
        .credibility-content {

            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            margin-bottom: 3rem;
        }
        
        
        .trust-elements {
            display: grid;
            gap: 2rem;
            max-width: 100%;
            overflow: hidden;
            box-sizing: border-box;
        }
        
        .certificate-preview h3 {
            color: #2c3e50;
            font-size: 1.4rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 1.5rem;
        }
        
        .certificate-mockup-large {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.15);
            border: 3px solid #3A8AAB;
        }
        
        .cert-border {
            padding: 2rem;
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
        }
        
        .cert-header-large {
            text-align: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #3A8AAB;
        }
        
        .cert-seal {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }
        
        .cert-header-large h4 {
            color: #3A8AAB;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .cert-header-large p {
            color: #5a6c7d;
            font-size: 0.9rem;
            margin: 0;
        }
        
        .cert-content h5 {
            color: #2c3e50;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 1rem;
        }
        
        .cert-details {
            text-align: center;
            margin-bottom: 1.5rem;
        }
        
        .cert-details p {
            color: #5a6c7d;
            font-size: 0.85rem;
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }
        
        .cert-signatures {
            display: flex;
            justify-content: space-between;
            gap: 2rem;
        }
        
        .signature {
            text-align: center;
            flex: 1;
        }
        
        .signature-line {
            width: 100%;
            height: 1px;
            background: #3A8AAB;
            margin-bottom: 0.5rem;
        }
        
        .signature p {
            color: #2c3e50;
            font-size: 0.8rem;
            font-weight: 600;
            margin: 0 0 0.25rem 0;
        }
        
        .signature small {
            color: #5a6c7d;
            font-size: 0.7rem;
        }
        
        .guarantee-section {
            background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            color: white;
            box-shadow: 0 10px 25px rgba(39, 174, 96, 0.3);
        }
        
        .guarantee-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .guarantee-badge h3 {
            color: white;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .guarantee-badge p {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            opacity: 0.95;
        }
        
        .guarantee-features {
            display: grid;
            gap: 0.75rem;
        }
        
        .feature {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            justify-content: center;
        }
        
        .feature-icon {
            font-size: 1.1rem;
        }
        
        .feature span:last-child {
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .discount-highlight {
            text-align: center;
        }
        
        .discount-badge {
            background: linear-gradient(45deg, #ff6b6b, #ff8e53);
            color: white;
            padding: 2rem;
            border-radius: 25px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 600px;
            margin: 0 auto;
            box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
            border: 3px solid rgba(255, 255, 255, 0.3);
        }
        
        .badge-content {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        
        .discount-percentage {
            background: rgba(255, 255, 255, 0.2);
            padding: 1rem 1.5rem;
            border-radius: 50%;
            font-size: 1.8rem;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.3);
            min-width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .discount-text h4 {
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        
        .discount-text p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            margin: 0;
        }
        
        .badge-timer {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .timer-element {
            text-align: center;
            background: rgba(255, 255, 255, 0.2);
            padding: 0.75rem;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        .timer-number {
            display: block;
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1;
        }
        
        .timer-label {
            font-size: 0.7rem;
            opacity: 0.9;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .timer-separator {
            font-size: 1.5rem;
            font-weight: 700;
            opacity: 0.8;
        }
        
        /* Detailed Syllabus Section */
        .detailed-syllabus-section {
            background: #f8fafc;
            padding: 80px 0;
        }
        
        .syllabus-tabs {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.1);
            border: 2px solid #e1e8ed;
            margin-bottom: 3rem;
        }
        
        .tab-buttons {
            display: flex;
            background: linear-gradient(135deg, #f8fafc 0%, #e1e8ed 100%);
            border-bottom: 2px solid #e1e8ed;
        }
        
        .tab-button {
            flex: 1;
            background: transparent;
            border: none;
            padding: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border-right: 1px solid #e1e8ed;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }
        
        .tab-button:last-child {
            border-right: none;
        }
        
        .tab-button.active {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
        }
        
        .tab-button:hover:not(.active) {
            background: rgba(58, 138, 171, 0.1);
        }
        
        .tab-number {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        
        .tab-button:not(.active) .tab-number {
            background: #3A8AAB;
            color: white;
        }
        
        .tab-title {
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
        }
        
        .tab-duration {
            font-size: 0.85rem;
            opacity: 0.8;
            text-align: center;
        }
        
        .tab-content {
            padding: 0;
        }
        
        .tab-panel {
            display: none;
            padding: 2rem;
        }
        
        .tab-panel.active {
            display: block;
        }
        
        .module-overview {
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .module-overview h3 {
            color: #2c3e50;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        
        .module-stats {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .stat {
            text-align: center;
            padding: 1rem;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            border-radius: 15px;
            min-width: 80px;
        }
        
        .stat-number {
            display: block;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .stat-label {
            font-size: 0.8rem;
            opacity: 0.9;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .lessons-accordion {
            display: grid;
            gap: 1rem;
        }
        
        .accordion-item {
            background: #ffffff;
            border: 2px solid #e1e8ed;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .accordion-item:hover {
            border-color: #3A8AAB;
            box-shadow: 0 5px 15px rgba(58, 138, 171, 0.1);
        }
        
        .accordion-header {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: #2c3e50;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .accordion-header:hover {
            background: rgba(58, 138, 171, 0.05);
        }
        
        .accordion-icon {
            font-size: 1.2rem;
            font-weight: 700;
            color: #3A8AAB;
            transition: transform 0.3s ease;
        }
        
        .accordion-item.active .accordion-icon {
            transform: rotate(45deg);
        }
        
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: #f8fafc;
        }
        
        .accordion-item.active .accordion-content {
            max-height: 300px;
        }
        
        .accordion-content ul {
            list-style: none;
            padding: 1.5rem;
            margin: 0;
        }
        
        .accordion-content li {
            color: #5a6c7d;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
            line-height: 1.5;
        }
        
        .accordion-content li::before {
            content: '•';
            color: #3A8AAB;
            font-size: 1.2rem;
            position: absolute;
            left: 0;
            top: 0;
        }
        
        .projects-showcase {
            text-align: center;
        }
        
        .projects-showcase h3 {
            color: #2c3e50;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .projects-showcase p {
            color: #5a6c7d;
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .project-examples {
            display: grid;
            gap: 2rem;
        }
        
        .project-card.featured {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.3);
        }
        
        .project-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .project-icon {
            font-size: 3rem;
        }
        
        .project-info h4 {
            color: white;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .project-level {
            background: rgba(255, 215, 0, 0.2);
            color: #ffd700;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .project-description p {
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            opacity: 0.95;
        }
        
        .project-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .feature-icon {
            font-size: 1rem;
        }
        
        .feature-item span:last-child {
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .project-impact {
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 10px;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .project-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        
        .project-card:not(.featured) {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            border: 2px solid #e1e8ed;
            transition: all 0.3s ease;
        }
        
        .project-card:not(.featured):hover {
            transform: translateY(-5px);
            border-color: #3A8AAB;
            box-shadow: 0 10px 25px rgba(58, 138, 171, 0.15);
        }
        
        .project-card:not(.featured) .project-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        
        .project-card h5 {
            color: #2c3e50;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        
        .project-card p {
            color: #5a6c7d;
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }
        
        .project-tech {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        
        .tech-tag {
            background: rgba(58, 138, 171, 0.1);
            color: #3A8AAB;
            padding: 0.25rem 0.75rem;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border: 1px solid rgba(58, 138, 171, 0.2);
        }
        
        .intermediate-cta {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 3rem 2rem;
            border-radius: 25px;
            text-align: center;
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.3);
        }
        
        .cta-content h3 {
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .cta-content p {
            font-size: 1.1rem;
            opacity: 0.95;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-buttons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        
        .btn-primary-cta {
            background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
            color: #2c3e50;
            padding: 18px 40px;
            border: none;
            border-radius: 30px;
            font-size: 1.2rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .btn-primary-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 215, 0, 0.6);
            background: linear-gradient(135deg, #ffed4e 0%, #ffc947 100%);
        }
        
        .cta-guarantee {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .guarantee-icon {
            font-size: 1.1rem;
        }
        
        /* Closing Motivational Section */
        .closing-section {
            background: linear-gradient(135deg, #1e4a5f 0%, #2c3e50 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .closing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(58, 138, 171, 0.3) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(44, 95, 124, 0.3) 0%, transparent 50%);
        }
        
        .closing-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .promise-repeat {
            margin-bottom: 4rem;
        }
        
        .promise-icon {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            display: block;
        }
        
        .promise-repeat h2 {
            color: white;
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .promise-subtitle {
            font-size: 1.3rem;
            opacity: 0.95;
            line-height: 1.6;
            margin-bottom: 0;
            color: #e2e8f0;
        }
        
        .final-testimonial {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 25px;
            padding: 3rem;
            margin-bottom: 4rem;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .testimonial-quote {
            position: relative;
        }
        
        .quote-icon {
            font-size: 4rem;
            color: rgba(255, 215, 0, 0.8);
            position: absolute;
            top: -20px;
            left: -10px;
            font-family: serif;
        }
        
        .quote-text {
            font-size: 1.2rem;
            line-height: 1.7;
            margin-bottom: 2rem;
            font-style: italic;
            padding-left: 2rem;
            color: #e2e8f0;
        }
        
        .quote-text strong {
            color: #ffffff;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            justify-content: center;
        }
        
        .author-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .avatar-placeholder {
            font-size: 2rem;
        }
        
        .author-info {
            text-align: left;
        }
        
        .author-info h4 {
            color: #374151;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .author-info p {
            color: #6b7280;
            font-size: 0.95rem;
            margin-bottom: 0.25rem;
        }
        
        .testimonial-stats {
            display: flex;
            gap: 1rem;
            margin-top: 0.5rem;
        }
        
        .stat-item {
            background: rgba(255, 215, 0, 0.2);
            color: #ffd700;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .inspirational-message {
            margin-bottom: 4rem;
        }
        
        .inspiration-content h3 {
            color: white;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .inspiration-content p {
            font-size: 1.2rem;
            line-height: 1.7;
            margin-bottom: 2rem;
            opacity: 0.95;
        }
        
        .inspiration-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 2rem;
        }
        
        .inspiration-stat {
            text-align: center;
        }
        
        .stat-number {
            display: block;
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffd700;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            margin-bottom: 0.5rem;
        }
        
        .stat-text {
            font-size: 0.95rem;
            opacity: 0.9;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .final-cta-container {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 30px;
            padding: 3rem;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .urgency-elements {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .urgency-item {
            background: rgba(231, 76, 60, 0.2);
            color: #ff6b6b;
            padding: 0.75rem 1.5rem;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid rgba(231, 76, 60, 0.3);
            animation: pulse 2s infinite;
        }
        
        .urgency-icon {
            font-size: 1.1rem;
        }
        
        .final-cta-section {
            margin-bottom: 2rem;
        }
        
        .final-cta-section h3 {
            color: white;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .final-cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            color: #e2e8f0;
        }
        
        .final-cta-buttons {
            margin-bottom: 2rem;
        }
        
        .btn-final-cta {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            padding: 20px 50px;
            border: none;
            border-radius: 35px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
            display: inline-block;
            margin-bottom: 1.5rem;
            transform: scale(1.05);
            animation: glow 2s ease-in-out infinite alternate;
        }
        
        .btn-final-cta:hover {
            transform: scale(1.1) translateY(-3px);
            box-shadow: 0 20px 40px rgba(255, 107, 107, 0.6);
            background: linear-gradient(135deg, #ff7675 0%, #e17055 100%);
        }
        
        .btn-text {
            display: block;
            font-size: 1.3rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.25rem;
        }
        
        .btn-subtext {
            display: block;
            font-size: 0.9rem;
            opacity: 0.9;
            font-weight: 500;
        }
        
        .final-guarantees {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .guarantee-icon {
            font-size: 1.1rem;
            color: #27ae60;
        }
        
        .final-message {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 2rem;
        }
        
        .final-message p {
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 2rem;
            opacity: 0.95;
        }
        
        .signature {
            text-align: center;
        }
        
        .signature p {
            font-size: 1rem;
            opacity: 0.8;
            margin-bottom: 1rem;
            font-style: italic;
        }
        
        .instructor-signature {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
        }
        
        .signature-avatar {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        
        .signature-info {
            text-align: left;
        }
        
        .signature-info h5 {
            color: white;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .signature-info p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin: 0;
            font-style: normal;
        }
        
        @keyframes glow {
            from {
                box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
            }
            to {
                box-shadow: 0 20px 40px rgba(255, 107, 107, 0.8);
            }
        }
        
        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        
        .modules-section {
            background: #f8fafc;
        }
        
        /* Testimonials Section */
        .testimonials-section {
            background: #ffffff;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .testimonial-card {
            background: #ffffff;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(58, 138, 171, 0.1);
            border: 1px solid #e1e8ed;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .testimonial-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(58, 138, 171, 0.15);
            border-color: #3A8AAB;
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: -10px;
            left: 20px;
            font-size: 4rem;
            color: #3A8AAB;
            font-family: serif;
            opacity: 0.3;
        }
        
        .testimonial-content {
            margin-bottom: 1.5rem;
        }
        
        .testimonial-content .stars {
            color: #ffd700;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        
        .testimonial-content p {
            color: #2c3e50;
            line-height: 1.6;
            font-style: italic;
            margin: 0;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .testimonials-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
            padding: 2rem;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            border-radius: 20px;
            color: white;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffd700;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
            font-weight: 500;
        }
        
        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .module-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        
        .module-card:hover {
            transform: translateY(-5px);
        }
        
        .module-card h3 {
            color: #3A8AAB;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
        
        .module-duration {
            background: #3A8AAB;
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 1rem;
        }
        
        .module-header {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            position: relative;
        }
        
        .module-header-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 80px;
            border-radius: 10px 10px 0 0;
            margin: -2rem -2rem 0 -2rem;
            display: none;
        }
        
        .module-1-bg {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
        }
        
        .module-2-bg {
            background: linear-gradient(135deg, #2c7a9a 0%, #1e5a78 100%);
        }
        
        .module-3-bg {
            background: linear-gradient(135deg, #667eea 0%, #5568d3 100%);
        }
        
        .module-4-bg {
            background: linear-gradient(135deg, #f5576c 0%, #d63031 100%);
        }
        
        .projects-bg {
            background: linear-gradient(135deg, #2c7a9a 0%, #1e5a78 100%);
        }
        
        .module-header h3 {
            margin: 0;
            color: white;
            font-size: 1.3rem;
            font-weight: 600;
            position: relative;
            z-index: 1;
            padding-top: 1rem;
        }
        
        .module-header .module-duration {
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        .module-badge {
            display: inline-block;
            width: fit-content;
            background: rgba(255, 255, 255, 0.15);
            color: white;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.3);
            position: relative;
            z-index: 1;
        }
        
        /* Módulos Estándar + Premium */
        .module-estandar-premium {
            border-left: 0;
        }
        
        /* Módulos Premium Only */
        .module-premium-only {
            border-left: 0;
        }
        
        .module-description {
            color: #666;
            line-height: 1.6;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            text-align: center;
        }
        
        .cta-section h2 {
            color: white;
            margin-bottom: 1rem;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        
        .scarcity-info {
            background: rgba(255, 255, 255, 0.15);
            padding: 20px;
            border-radius: 15px;
            margin: 2rem auto;
            max-width: 500px;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        
        .scarcity-info p {
            margin: 10px 0;
            font-size: 1.1rem;
            font-weight: 500;
        }
        
        .progress-bar {
            background: rgba(255, 255, 255, 0.3);
            height: 8px;
            border-radius: 4px;
            margin: 15px 0;
            overflow: hidden;
        }
        
        .progress-fill {
            background: linear-gradient(90deg, #e74c3c, #c0392b);
            height: 100%;
            border-radius: 4px;
            transition: width 0.3s ease;
        }
        
        .form-container {
            max-width: 500px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.98);
            padding: 2rem;
            border-radius: 20px;
            backdrop-filter: blur(15px);
            border: 2px solid rgba(58, 138, 171, 0.3);
            box-shadow: 0 20px 40px rgba(58, 138, 171, 0.2), 
                        0 8px 16px rgba(0, 0, 0, 0.1),
                        inset 0 1px 0 rgba(255, 255, 255, 0.8);
            transform: translateY(-5px);
            transition: all 0.3s ease;
        }
        
        .form-container:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 
                        0 12px 24px rgba(0, 0, 0, 0.3),
                        inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }
        
        .form-container h3 {
            color: #2c3e50;
            font-size: 1.5rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 0.5rem;
        }
        
        .form-container > p {
            color: #5a6c7d;
            text-align: center;
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }
        
        .form-urgency {
            margin-top: 1rem;
            text-align: center;
        }
        
        .form-urgency p {
            color: #e74c3c;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0;
            background: rgba(231, 76, 60, 0.1);
            padding: 12px 15px;
            border-radius: 8px;
            border: 2px solid rgba(231, 76, 60, 0.3);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
            font-size: 0.95rem;
        }
        
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e1e8ed;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            color: #2c3e50;
            box-shadow: 0 4px 8px rgba(58, 138, 171, 0.1);
            transition: all 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #3A8AAB;
            box-shadow: 0 0 0 3px rgba(58, 138, 171, 0.2), 0 6px 12px rgba(58, 138, 171, 0.15);
            transform: translateY(-1px);
        }
        
        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 15px;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 12px rgba(58, 138, 171, 0.3);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(58, 138, 171, 0.4);
            background: linear-gradient(135deg, #2c5f7c 0%, #1e4a5f 100%);
        }
        
        /* Social Proof Banner */
        .social-proof-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            width: 100%;
            max-width: 100vw;
            background: linear-gradient(135deg, #3A8AAB 0%, #2c5f7c 100%);
            color: white;
            padding: 12px 15px;
            z-index: 1000;
            box-shadow: 0 -4px 20px rgba(58, 138, 171, 0.3);
            transform: translateY(100%);
            transition: transform 0.5s ease;
            display: none;
            align-items: center;
            justify-content: space-between;
            box-sizing: border-box;
            overflow: hidden;
        }
        
        .social-proof-banner.show {
            transform: translateY(0);
        }
        
        .banner-content {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
            overflow: hidden;
        }
        
        .banner-icon {
            font-size: 1.5rem;
            animation: pulse 2s infinite;
        }
        
        .banner-text {
            font-weight: 600;
            font-size: 1rem;
        }
        
        .banner-count {
            color: #ffd700;
            font-weight: 700;
            font-size: 1.2rem;
        }
        
        .banner-time {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-left: 10px;
        }
        
        .banner-close {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px 10px;
            border-radius: 50%;
            transition: background 0.3s ease;
        }
        
        .banner-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        /* Adjust footer margin when banner is shown */
        .footer {
            margin-bottom: 60px;
        }

        /* Footer */
        .footer {
            background: #333;
            color: #9ca3af;
            text-align: center;
            padding: 2rem 0;
        }
        
        .footer p {
            color: #9ca3af;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero {
                padding: 60px 0 60px;
                min-height: auto;
            }
            
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }
            
            .hero-text {
                text-align: center;
            }
            
            .hero h1 {
                font-size: 2.2rem;
                line-height: 1.3;
            }
            
            .hero .subtitle {
                font-size: 1.1rem;
            }
            
            .microconfianza {
                justify-content: center;
                gap: 1rem;
            }
            
            .confianza-item {
                font-size: 0.85rem;
            }
            
            .hero-cta {
                justify-content: center;
                flex-direction: column;
                align-items: center;
            }
            
            .btn-primary-hero {
                font-size: 1.1rem;
                padding: 15px 30px;
            }
            
            .hero-image-container {
                max-width: 350px;
            }
            
            .professor-card {
                position: static;
                width: auto;
                margin: 1rem 0;
            }
            
            .students-counter {
                position: static;
                margin: 1rem 0;
                justify-content: center;
            }
            
            .certification-mockup {
                padding: 1.5rem;
            }
            
            .transformation-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .transformation-benefit {
                padding: 2rem 1.5rem;
            }
            
            .before-after {
                flex-direction: column;
                gap: 1rem;
            }
            
            .arrow {
                transform: rotate(90deg);
                font-size: 1.2rem;
            }
            
            .transformation-cta-section {
                padding: 2rem 1.5rem;
            }
            
            .transformation-cta-section h3 {
                font-size: 1.5rem;
            }
            
            .instructor-profile {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }
            
            .avatar-circle {
                width: 150px;
                height: 150px;
                font-size: 3rem;
            }
            
            .instructor-info h3 {
                font-size: 1.8rem;
            }
            
            .instructor-achievements {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .title-tag {
                font-size: 0.8rem;
            }
            
            .overview-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .detail-cards {
                grid-template-columns: 1fr;
                gap: 1rem;
                margin-bottom: 3rem;
            }
            
            .detail-card {
                padding: 1rem;
            }
            
            .instructor-video {
                position: static;
            }
            
            .video-placeholder {
                height: 200px;
            }
            
            .play-button {
                width: 60px;
                height: 60px;
            }
            
            .play-icon {
                font-size: 1.5rem;
            }
            
            .module-header {
                padding: 1.5rem;
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            
            .module-number {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
            
            .module-content {
                padding: 1.5rem;
            }
            
            .syllabus-cta {
                padding: 2rem 1.5rem;
            }
            
            .credibility-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            
            .cert-border {
                padding: 1.5rem;
            }
            
            .cert-signatures {
                flex-direction: column;
                gap: 1rem;
            }
            
            .guarantee-section {
                padding: 1.5rem;
            }
            
            .discount-badge {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.5rem;
                text-align: center;
            }
            
            .badge-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            .discount-percentage {
                width: 80px;
                height: 80px;
                font-size: 1.5rem;
            }
            
            .timer-element {
                padding: 0.5rem;
            }
            
            .timer-number {
                font-size: 1.2rem;
            }
            
            .tab-buttons {
                flex-direction: column;
            }
            
            .tab-button {
                border-right: none;
                border-bottom: 1px solid #e1e8ed;
                padding: 1rem;
            }
            
            .tab-button:last-child {
                border-bottom: none;
            }
            
            .tab-panel {
                padding: 1.5rem;
            }
            
            .module-stats {
                gap: 1rem;
            }
            
            .stat {
                min-width: 60px;
                padding: 0.75rem;
            }
            
            .stat-number {
                font-size: 1.4rem;
            }
            
            .project-features {
                grid-template-columns: 1fr;
            }
            
            .project-grid {
                grid-template-columns: 1fr;
            }
            
            .intermediate-cta {
                padding: 2rem 1.5rem;
            }
            
            .cta-content h3 {
                font-size: 1.4rem;
            }
            
            .btn-primary-cta {
                padding: 15px 30px;
                font-size: 1rem;
            }
            
            .closing-section {
                padding: 60px 0;
            }
            
            .promise-repeat h2 {
                font-size: 2.2rem;
            }
            
            .promise-subtitle {
                font-size: 1.1rem;
            }
            
            .final-testimonial {
                padding: 2rem;
            }
            
            .testimonial-author {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            
            .author-info {
                text-align: center;
            }
            
            .testimonial-stats {
                justify-content: center;
                flex-wrap: wrap;
            }
            
            .inspiration-content h3 {
                font-size: 1.8rem;
            }
            
            .inspiration-content p {
                font-size: 1rem;
            }
            
            .inspiration-stats {
                flex-direction: column;
                gap: 1.5rem;
            }
            
            .stat-number {
                font-size: 2rem;
            }
            
            .final-cta-container {
                padding: 2rem;
            }
            
            .urgency-elements {
                flex-direction: column;
                gap: 1rem;
                align-items: center;
            }
            
            .urgency-item {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            
            .final-cta-section h3 {
                font-size: 1.6rem;
            }
            
            .btn-final-cta {
                padding: 15px 30px;
                transform: scale(1);
            }
            
            .btn-text {
                font-size: 1.1rem;
            }
            
            .final-guarantees {
                flex-direction: column;
                gap: 1rem;
                align-items: center;
            }
            
            .instructor-signature {
                flex-direction: column;
                gap: 0.75rem;
            }
            
            .signature-info {
                text-align: center;
            }
            
            .section h2 {
                font-size: 2rem;
            }
            
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            
            .modules-grid {
                grid-template-columns: 1fr;
            }
            
            .social-proof-banner {
                padding: 8px 10px;
                flex-direction: column;
                gap: 6px;
                max-width: 100vw;
            }
            
            .banner-content {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            
            .banner-text {
                font-size: 0.9rem;
            }
            
            .banner-time {
                margin-left: 0;
                font-size: 0.8rem;
            }
            
            .banner-close {
                position: absolute;
                top: 5px;
                right: 10px;
            }
            
            .career-transformation h2 {
                font-size: 2.2rem;
                line-height: 1.4;
            }
            
            .transformation-benefits {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .transformation-item {
                padding: 1.5rem;
            }
            
            .btn-transformation {
                padding: 15px 30px;
                font-size: 1.1rem;
            }
            
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .testimonial-card {
                padding: 1.5rem;
            }
            
            .testimonials-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
                padding: 1.5rem;
            }
            
            .stat-number {
                font-size: 2rem;
            }
        }

    /* Certificate preview styles (integración) */
    /* Accesibilidad: esconder solo visualmente */
    .sr-only {
      position:absolute!important; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
      clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    /* Contenedor de logos */
    .cert-institutions {
      display:flex; gap:1rem; justify-content:center; align-items:center;
      flex-wrap:wrap; margin: 0 auto 1.5rem; max-width: 100%;
      padding: 0 20px; box-sizing: border-box;
    }
    .cert-logo img {
      display:block; max-width:200px; width: 100%; height:100px; object-fit:contain;
    }
    @media (max-width: 1366px){
      .cert-logo img { max-width:160px; height:80px; }
    }
    @media (max-width:640px){
      .cert-logo img { max-width:140px; height:70px; }
      .cert-institutions { gap: 0.5rem; padding: 0 10px; }
    }

    /* Mockup del certificado con proporción constante */
    .certificate-mockup {
      max-width: 100%; width: 100%; margin: 0 auto 1rem;
      padding: 0 20px; box-sizing: border-box;
    }
    @media (min-width: 1200px) {
      .certificate-mockup { max-width: 1000px; }
    }
    .certificate-mockup picture, .certificate-mockup img {
      display:block; width:100%; height:auto; border-radius:16px;
      box-shadow: 0 15px 35px rgba(58,138,171,.15);
      border: 2px solid #e1e8ed;
    }
    .cert-caption {
      text-align:center; color:#5a6c7d; font-size:0.95rem; margin: .75rem 0 1rem;
    }
    .cert-note {
      text-align:center; color:#2c3e50; font-weight:500; max-width:900px; margin:0 auto;
    }

    /* Modal básico */
    .modal { display:none; position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:9999;
      align-items:center; justify-content:center; padding:20px; }
    .modal[aria-hidden="false"] { display:flex; }
    .modal-content { background:#fff; border-radius:16px; padding:24px; max-width:960px; width:92vw; }

    .cert-zoom { display:block; margin:14px auto 0; }

    /* Social Proof Banner - Scroll Reveal */
    .social-proof-banner {
        position: fixed;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%) translateY(150px);
        opacity: 0;
        z-index: 998;
        pointer-events: none;
        transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        max-width: 95%;
        width: 100%;
    }

    .social-proof-banner.visible {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .proof-content {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 18px 24px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        gap: 20px;
        box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
        flex-wrap: wrap;
    }

    .proof-icon {
        font-size: 28px;
        flex-shrink: 0;
    }

    .proof-text {
        flex: 1;
        min-width: 200px;
    }

    .proof-title {
        font-weight: 700;
        font-size: 16px;
        margin: 0 0 4px 0;
        display: block;
    }

    .proof-subtitle {
        font-weight: 400;
        font-size: 14px;
        opacity: 0.95;
        margin: 0;
        display: block;
    }

    .proof-close {
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        font-size: 20px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.2s;
        flex-shrink: 0;
    }

    .proof-close:hover {
        background: rgba(255,255,255,0.3);
    }

    @media (max-width: 640px) {
        .social-proof-banner {
            bottom: 75px;
        }

        .proof-content {
            padding: 14px 16px;
            gap: 12px;
        }

        .proof-icon {
            font-size: 24px;
        }

        .proof-title {
            font-size: 14px;
        }

        .proof-subtitle {
            font-size: 12px;
        }

        .proof-close {
            width: 28px;
            height: 28px;
            font-size: 18px;
        }
    }

    /* Hide reCAPTCHA Logo */
    .grecaptcha-badge {
        visibility: hidden !important;
    }

    /* Alternative: Hide by positioning outside viewport */
    .g-recaptcha {
        position: relative;
    }

    .g-recaptcha > div {
        position: relative !important;
    }

    .grecaptcha-badge {
        display: none !important;
    }

    /* Form submit button - white text */
    #btninscrip.btn-primary {
        color: white !important;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* XFI wrapper max width */
    .xfi-wrapper-centered {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* Logobar padding */
    #logobar {
        padding-top: 0;
    }

    /* Remove body padding-top on mobile */
    @media (max-width: 767px) {
        body {
            padding-top: 0 !important;
        }

        /* Prevent module-lines overflow */
        .accordion-trigger-main {
            min-width: 0;
            overflow: hidden;
        }

        .module-lines {
            min-width: 0;
            max-width: 100%;
        }

        .module-line {
            word-wrap: break-word;
            overflow-wrap: break-word;
            white-space: normal;
        }

        /* Hide cta-subtitle on mobile */
        .cta-subtitle {
            display: none;
        }
    }