* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --amber-deep: #D97706;
            --amber-light: #F59E0B;
            --amber-dark: #92400E;
            --bg-dark: #0F172A;
            --bg-card: #1E293B;
            --text-light: #F1F5F9;
            --text-gray: #94A3B8;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 100%);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        header {
            background: linear-gradient(135deg, var(--amber-dark) 0%, var(--amber-deep) 100%);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: 0 10px 40px rgba(217, 119, 6, 0.3);
            position: relative;
            overflow: hidden;
        }

        header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: headerPulse 8s ease-in-out infinite;
        }

        @keyframes headerPulse {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(10%, 10%); }
        }

        .header-icon {
            width: 60px;
            height: 60px;
            margin-bottom: 1rem;
            color: var(--text-light);
        }

        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
            position: relative;
            z-index: 1;
            letter-spacing: 2px;
        }

        .subtitle {
            font-size: 1.3rem;
            margin-top: 1rem;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }

        nav {
            background: var(--bg-card);
            padding: 1rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        nav ul {
            list-style: none;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
        }

        nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            transition: all 0.3s ease;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--amber-light);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        nav a:hover {
            color: var(--amber-light);
            transform: translateY(-2px);
        }

        nav a:hover::after {
            width: 80%;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }

        .section {
            margin-bottom: 5rem;
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--amber-light);
            text-align: center;
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--amber-light), transparent);
        }

        .card {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0,0,0,0.4);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(217, 119, 6, 0.2);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 50px rgba(217, 119, 6, 0.3);
        }










/* ============================================
   RESPONSIVE CSS - OJOS 3D Y COMPONENTES VISUALES
   ============================================ */

/* ===== ESTILOS BASE (ESCRITORIO) ===== */

/* Grid principal */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Contenedor de ojos */
.eye-container {
    position: relative;
    width: 100%;
    height: 500px;
    background: radial-gradient(circle at center, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.5);
    perspective: 1000px;
}

/* Ojos individuales */
.eye {
    position: absolute;
    width: 120px;
    height: 120px;
    cursor: pointer;
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
}

.eye:hover {
    transform: scale(1.1);
}

/* Contorno del ojo */
.eye-outer {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, var(--amber-light), var(--amber-deep));
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 30px var(--amber-deep), inset 0 0 20px rgba(0,0,0,0.3);
    animation: eyeGlow 3s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes eyeGlow {
    0%, 100% { box-shadow: 0 0 30px var(--amber-deep), inset 0 0 20px rgba(0,0,0,0.3); }
    50% { box-shadow: 0 0 50px var(--amber-light), inset 0 0 20px rgba(0,0,0,0.3); }
}

/* Facetas del ojo */
.eye-facets {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
}

.facet {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Pupila */
.eye-pupil {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 30% 30%, #1a1a1a, #000);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0,0,0,0.8);
    transition: transform 0.1s ease-out;
}

/* Campo de visión */
.vision-field {
    width: 100%;
    height: 400px;
    position: relative;
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.vision-canvas {
    width: 100%;
    height: 100%;
}

/* Cajas de información */
.info-box {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.1), rgba(245, 158, 11, 0.1));
    border-left: 4px solid var(--amber-light);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.info-box h3 {
    color: var(--amber-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon {
    width: 20px;
    height: 20px;
    fill: var(--amber-light);
}

/* Lista de características */
.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Grid de estadísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-dark));
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid rgba(217, 119, 6, 0.3);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--amber-light);
    transform: scale(1.05);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--amber-light);
    display: block;
}

.stat-label {
    color: var(--text-gray);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Tarjetas de características */
.feature-card h3 {
    color: var(--amber-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card .icon {
    width: 20px;
    height: 20px;
    fill: var(--amber-light);
}

/* Footer */
footer {
    background: var(--bg-card);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 5rem;
    border-top: 2px solid var(--amber-dark);
}

/* Tabla de comparación */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(217, 119, 6, 0.2);
}

.comparison-table th {
    background: var(--amber-dark);
    color: white;
    font-weight: 600;
}

.comparison-table tr:hover {
    background: rgba(217, 119, 6, 0.1);
}

/* Sección parallax */
.parallax-section {
    position: relative;
    transform: translateZ(0);
}

/* ===== TABLET (768px - 1023px) ===== */
@media screen and (max-width: 1023px) {
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .eye-container {
        height: 400px;
        border-radius: 15px;
    }

    .eye {
        width: 100px;
        height: 100px;
    }

    .eye-outer {
        box-shadow: 0 0 20px var(--amber-deep), inset 0 0 15px rgba(0,0,0,0.3);
    }

    .eye-pupil {
        width: 32px;
        height: 32px;
        box-shadow: 0 0 10px rgba(0,0,0,0.8);
    }

    .vision-field {
        height: 320px;
        border-radius: 15px;
    }

    .info-box {
        padding: 1.25rem;
        margin: 1.25rem 0;
        border-radius: 8px;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1.25rem;
        margin-top: 1.5rem;
    }

    .stat-card {
        padding: 1.5rem;
        border-radius: 12px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 1.25rem 1rem;
        font-size: 0.9rem;
    }

    footer {
        padding: 2.5rem 1.5rem;
        margin-top: 4rem;
    }
}

/* ===== MÓVIL (320px - 767px) ===== */
@media screen and (max-width: 767px) {
    .grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-top: 1rem;
    }

    .eye-container {
        height: 300px;
        border-radius: 12px;
    }

    .eye {
        width: 80px;
        height: 80px;
    }

    .eye-outer {
        box-shadow: 0 0 15px var(--amber-deep), inset 0 0 10px rgba(0,0,0,0.3);
    }

    .eye-pupil {
        width: 28px;
        height: 28px;
        box-shadow: 0 0 8px rgba(0,0,0,0.8);
    }

    .vision-field {
        height: 250px;
        border-radius: 12px;
    }

    .info-box {
        padding: 1rem;
        margin: 1rem 0;
        border-radius: 8px;
        border-left-width: 3px;
    }

    .info-box h3 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .icon {
        width: 18px;
        height: 18px;
    }

    .feature-list li {
        padding: 0.4rem 0;
        font-size: 0.9rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 1.25rem;
    }

    .stat-card {
        padding: 1.25rem;
        border-radius: 10px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .comparison-table {
        margin-top: 1.5rem;
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 1rem 0.75rem;
    }

    footer {
        padding: 2rem 1rem;
        margin-top: 3rem;
    }
}

/* ===== MÓVIL PEQUEÑO (320px - 480px) ===== */
@media screen and (max-width: 480px) {
    .grid {
        gap: 1rem;
        margin-top: 0.75rem;
    }

    .eye-container {
        height: 250px;
        border-radius: 10px;
        box-shadow: inset 0 0 30px rgba(0,0,0,0.5);
    }

    .eye {
        width: 60px;
        height: 60px;
    }

    .eye-outer {
        box-shadow: 0 0 10px var(--amber-deep), inset 0 0 8px rgba(0,0,0,0.3);
    }

    .eye-pupil {
        width: 24px;
        height: 24px;
        box-shadow: 0 0 6px rgba(0,0,0,0.8);
    }

    .vision-field {
        height: 200px;
        border-radius: 10px;
        box-shadow: 0 5px 25px rgba(0,0,0,0.4);
    }

    .info-box {
        padding: 0.75rem;
        margin: 0.75rem 0;
        border-radius: 6px;
        border-left-width: 2px;
    }

    .info-box h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .icon {
        width: 16px;
        height: 16px;
    }

    .feature-list li {
        padding: 0.3rem 0;
        font-size: 0.8rem;
        gap: 0.3rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .stat-card {
        padding: 1rem;
        border-radius: 8px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.75rem;
        margin-top: 0.25rem;
    }

    .comparison-table {
        margin-top: 1rem;
        font-size: 0.75rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }

    .comparison-table th {
        font-size: 0.8rem;
    }

    footer {
        padding: 1.5rem 0.75rem;
        margin-top: 2rem;
    }
}