:root {
            --primary: #2563eb;
            --secondary: #6366f1;
            --dark: #0f172a;
            --light: #f8fafc;
            --accent: #38bdf8;
            --gradient: linear-gradient(135deg, #2563eb 0%, #6366f1 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--dark);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
            padding-top: 100px;
        }

        /* Utilidades */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient);
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
        }

        h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            text-align: center;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Hero Section */
        #hero {
            height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero-content p {
            font-size: 1.25rem;
            color: #94a3b8;
            max-width: 700px;
            margin: 0 auto 30px;
        }

        /* Video Demo */
        .video-container {
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
            aspect-ratio: 16/9;
            background: #1e293b;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--primary);
            position: relative;
            overflow: hidden;
        }

        .video-placeholder i {
            font-size: 4rem;
            color: var(--primary);
        }

        .video-wrapper {
            position: relative;
            width: 100%;
            max-width: 900px;   /* opcional, puedes cambiarlo */
            margin: 0 auto;
            aspect-ratio: 16 / 9; /* 🔥 clave moderna */
        }

        .video-wrapper iframe {
            width: 100%;
            height: 100%;
            border: none;
            border-radius: 10px;
        }

        /* Grid de Problema/Solución */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .card {
            background: #1e293b;
            padding: 40px;
            border-radius: 20px;
            height: 100%;
        }

        /* Tipos de Video & Estilos */
        .types-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .type-item {
            background: rgba(255,255,255,0.03);
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s;
        }

        .type-item:hover {
            background: rgba(255,255,255,0.08);
        }

        /* Estrategia */
        .steps {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: bold;
        }

        /* Contacto */
        .contact-info {
            text-align: center;
        }

        .contact-info a {
            color: var(--accent);
            text-decoration: none;
            display: block;
            font-size: 1.5rem;
            margin: 10px 0;
        }

        /* Footer */
        footer {
            padding: 40px 0;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .grid-2 { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 2.5rem; }
            .steps { flex-direction: column; }
        }

        /* Footer Premium */
        .footer-premium {
            background: linear-gradient(180deg, #0f172a, #020617);
            color: #fff;
            padding: 40px 20px 30px; /* Reducido el padding superior */
        }

        .footer-content {
            max-width: 1200px; /* Más angosto que antes */
            margin: auto;
            display: flex;
            flex-direction: row; /* Cambiado a horizontal */
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .footer-logo img {
            width: 80px; /* Logo más pequeño */
            filter: brightness(1.1);
        }

        .footer-text {
            flex: 1; /* Ocupa el espacio disponible */
            text-align: center;
        }

        .footer-text p {
            margin: 0;
            font-size: 16px;
            color: #cbd5f5;
            line-height: 1.4;
        }

        .footer-social {
            display: flex;
            align-items: center;
        }

        .social-icons {
            display: flex;
            gap: 12px; /* Menos gap entre íconos */
            justify-content: flex-end;
        }

        .social-icons a {
            width: 40px; /* Íconos ligeramente más pequeños */
            height: 40px;
            background: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            font-size: 16px; /* Tamaño de ícono reducido */
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            background: #2563eb;
            transform: translateY(-3px) scale(1.05);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 30px; /* Reducido el margen */
            padding-top: 15px; /* Reducido el padding */
            font-size: 13px;
            color: #94a3b8;
            text-align: center;
        }

        /* Header */
        .header {
            background: linear-gradient(180deg, #0f172a, #020617);
            color: #fff;
            padding: 10px 20px;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
        }

        .header-content {
            max-width: 1200px;
            margin: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-logo img {
            width: 80px;
            filter: brightness(1.1);
        }

        .header-menu ul {
            list-style: none;
            display: flex;
            gap: 20px;
        }

        .header-menu a {
            color: #cbd5f5;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
        }

        .header-menu a:hover {
            color: #2563eb;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 30px;
            height: 30px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .hamburger span {
            width: 100%;
            height: 3px;
            background: #cbd5f5;
            transition: all 0.3s;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        /* Responsive Footer */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .header-menu ul {
                visibility: hidden;
                opacity: 0;
                flex-direction: column;
                gap: 10px;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: linear-gradient(180deg, #0f172a, #020617);
                padding: 20px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
                transition: all 0.3s ease;
            }

            .header-menu.active ul {
                visibility: visible;
                opacity: 1;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .footer-text {
                order: 2;
            }

            .footer-social {
                order: 3;
            }

            .social-icons {
                justify-content: center;
            }
        }