* { box-sizing: border-box; }
        html, body { 
            margin: 0; 
            padding: 0; 
            width: 100%;
            overflow-x: hidden; /* Prevent horizontal scroll */
            overflow-y: auto; /* Ensure vertical scroll is always allowed */
            scroll-behavior: smooth; /* Smooth scroll for anchor links */
        }
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #061123;
            color: #e5e7eb;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        /* IMPROVEMENT: Prevent body scroll when modal is open */
        body.modal-open {
            overflow: hidden;
        }

        /* NEW: Mobile Menu Overlay and Animation */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(6, 17, 35, 0.95);
            backdrop-filter: blur(10px);
            z-index: 51;
            opacity: 0;
            pointer-events: none;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        .mobile-menu-overlay.is-open {
            opacity: 1;
            pointer-events: auto;
        }
        
        .mobile-menu {
            position: absolute;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 400px;
            height: 100%;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
            overflow-y: auto;
        }
        
        .mobile-menu-overlay.is-open .mobile-menu {
            transform: translateX(0);
        }
        
        .mobile-menu-header {
            padding: 2rem 1.5rem 1rem;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .mobile-menu-logo {
            height: 40px;
            border-radius: 8px;
        }
        
        .mobile-menu-close {
            background: none;
            border: none;
            color: #94a3b8;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            transition: all 0.3s ease;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .mobile-menu-close:hover {
            background: rgba(56, 189, 248, 0.1);
            color: #38bdf8;
        }
        
        .mobile-menu-content {
            padding: 1rem;
        }
        
        .mobile-nav-item {
            display: flex;
            align-items: center;
            padding: 1rem 1.25rem;
            margin: 0.5rem 0;
            background: rgba(56, 189, 248, 0.05);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 12px;
            text-decoration: none;
            color: #e2e8f0;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .mobile-nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
            transition: left 0.5s ease;
        }
        
        .mobile-nav-item:hover::before {
            left: 100%;
        }
        
        .mobile-nav-item:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.3);
            color: #38bdf8;
            transform: translateX(-5px);
        }
        
        .mobile-nav-item i {
            margin-right: 1rem;
            font-size: 1.2rem;
            width: 24px;
            text-align: center;
        }
        
        .mobile-nav-section {
            margin: 1.5rem 0;
        }
        
        .mobile-nav-section-title {
            color: #94a3b8;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin: 1rem 1.25rem 0.5rem;
        }
        
        .mobile-action-buttons {
            margin-top: 2rem;
            padding: 1rem;
          
        }
        
        .mobile-action-btn {
            display: block;
            width: 100%;
            padding: 1rem 1.5rem;
            margin: 0.75rem 0;
            text-align: center;
            font-weight: 600;
            border-radius: 12px;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .mobile-action-btn-primary {
            background: linear-gradient(135deg, #0ea5e9, #0284c7);
            color: white;
            border: none;
            box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
        }
        
        .mobile-action-btn-primary:hover {
            background: linear-gradient(135deg, #0284c7, #0369a1);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
        }
        
        .mobile-action-btn-secondary {
            background: transparent;
            color: #38bdf8;
            border: 2px solid rgba(56, 189, 248, 0.3);
        }
        
        .mobile-action-btn-secondary:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.5);
            transform: translateY(-1px);
        }

        .slide {
            min-height: 100vh;
            width: 100vw;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            background-size: cover;
            background-position: center;
            color: white;
            padding: 6rem 1.5rem;
        }
        
        .slide-video {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            pointer-events: none;
        }
        
        .slide::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(to top, rgba(6, 17, 35, 0.92) 0%, rgba(6, 17, 35, 0.86) 60%, rgba(6, 17, 35, 0.82) 100%);
            z-index: 1;
            pointer-events: none;
        }
        
        .slide-content {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 100%;
            max-width: 900px; 
            margin-left: auto;
            margin-right: auto;
            animation: fadeIn 1.2s ease-in-out;
            padding: 0 1rem;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        h1, h2 {
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.65);
        }
        
        h1 {
            font-size: clamp(3.5rem, 8vw, 5.5rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        
        h2 {
            font-size: clamp(2.8rem, 6.5vw, 4rem);
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        
        .h2-large {
             font-size: clamp(2.25rem, 5.5vw, 3.5rem);
             line-height: 1;
        }
        
        p {
            font-size: clamp(1rem, 2.5vw, 1.125rem);
            line-height: 1.7;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .highlight { color: #38bdf8; }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
            width: 100%;
        }
        
        .feature-card {
            background: rgba(17, 24, 39, 0.85);
            border: 1px solid rgba(56, 189, 248, 0.22);
            border-radius: 1rem;
            padding: 1.5rem;
            backdrop-filter: blur(10px);
            text-align: center;
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out, box-shadow 0.3s ease-in-out, border-color 0.3s ease-in-out;
            will-change: opacity, transform;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        
        .feature-card.is-visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .feature-card.is-visible:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
            border-color: rgba(56, 189, 248, 0.7);
        }
        
        .feature-card i { 
            font-size: 2rem; 
            color: #38bdf8; 
            margin-bottom: 0.75rem;
        }
        
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            min-height: 3em;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .feature-card p { 
            font-size: 0.95rem; 
            font-weight: 300; 
            line-height: 1.6; 
            color: #d1d5db; 
            margin-bottom: 1rem;
        }

        .video-responsive {
            position: relative;
            overflow: hidden;
            width: 100%;
            padding-top: 56.25%; /* 16:9 Aspect Ratio */
        }
        
        .video-responsive iframe {
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            width: 100%;
            height: 100%;
        }

        /* Shimmer effect for buttons */
        .btn-shimmer {
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-shimmer::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 200%;
            height: 100%;
            background: linear-gradient(
                120deg,
                rgba(255, 255, 255, 0) 20%,
                rgba(255, 255, 255, 0.25) 50%,
                rgba(255, 255, 255, 0) 80%
            );
            transform: skewX(-25deg);
            transition: left 0.75s ease-in-out;
            z-index: 1;
        }

        .btn-shimmer:hover::before {
            left: 100%;
        }
        
        /* Custom styles for intl-tel-input */
        .iti {
            width: 100%;
        }
        
        .iti input, .iti input[type=tel] {
            width: 100%;
            background-color: transparent !important;
            color: white !important;
            border: 1px solid #4a5568;
            border-radius: 0.5rem;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
            text-align: left !important;
        }
        
        .iti--allow-dropdown input, .iti--allow-dropdown input[type=tel] {
            padding-left: 52px !important;
            padding-right: 6px !important;
        }
        
        .iti__country-list {
            background-color: #111827;
            border: 1px solid #374151;
            border-radius: 0.5rem;
        }
        
        .iti__country { color: #d1d5db; }
        .iti__country:hover, .iti__country.iti__highlight { background-color: #1f2937; }
        .iti__dial-code { color: #6b7280; }

        /* Form input text alignment */
        #contact-form input::placeholder,
        #contact-form textarea::placeholder,
        #whatsapp-form input::placeholder,
        #whatsapp-form textarea::placeholder {
            text-align: left;
        }

        /* WhatsApp Widget Container */
        .whatsapp-container {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 100;
        }
        
        /* --- CSS DELETED ---
        .whatsapp-chat-widget { ... }
        .widget-header { ... }
        .widget-body { ... }
        --- END DELETED --- */

        .whatsapp-float {
            width: 60px;
            height: 60px;
            background-color: #003264;
            color: #FFF;
            border-radius: 50px;
            text-align: center;
            font-size: 30px;
            box-shadow: 2px 2px 6px rgba(0,0,0,0.4);
            transition: transform 0.3s ease, background-color 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            outline: none;
            position: relative; /* <-- CHANGED: Was absolute */
            text-decoration: none; /* <-- ADDED: For <a> tag */
        }
        
        .whatsapp-float:hover {
            transform: scale(1.1);
        }
        
        /* --- CSS DELETED ---
        .whatsapp-float .fa-times { ... }
        .is-open + .whatsapp-float { ... }
        .is-open + .whatsapp-float .fa-whatsapp { ... }
        .is-open + .whatsapp-float .fa-times { ... }
        --- END DELETED --- */

        /* Responsive adjustments for mobile */
        @media (max-width: 767px) {
            .slide {
                padding: 6rem 1rem 5rem;
            }
            
            h1 {
                font-size: clamp(2.5rem, 10vw, 3.5rem);
            }
            
            h2 {
                font-size: clamp(1.8rem, 8vw, 2.5rem);
                margin-bottom: 0.75rem;
            }
            
            p {
                font-size: clamp(0.9rem, 3vw, 1rem);
            }
            
            .feature-grid {
                gap: 1rem;
                grid-template-columns: 1fr; /* Single column on mobile */
            }
            
            .feature-card {
                padding: 1.5rem;
            }
            
            .slide ul {
                margin-bottom: 1.5rem;
            }
            
            #contact-form {
                margin-top: 1.5rem;
            }
            
            #contact .slide-content img {
                height: 3.5rem;
                margin-bottom: 1rem;
            }
            
            .whatsapp-container {
                bottom: 20px;
                right: 20px;
            }
            
            /* --- CSS DELETED ---
            .whatsapp-chat-widget { ... }
            --- END DELETED --- */
            
            /* Mobile Menu adjustments */
            .mobile-menu {
                width: 90%;
            }
            
            .mobile-nav-item {
                padding: 1.25rem 1.5rem;
                margin: 0.75rem 0;
                font-size: 1.1rem;
            }
            
            .mobile-action-btn {
                padding: 1.25rem 1.5rem;
                font-size: 1.1rem;
            }
        }

        /* Enhanced mobile improvements */
        @media (max-width: 480px) {
            .slide {
                padding: 5rem 0.75rem 4rem;
            }
            
            .feature-card {
                padding: 1.25rem;
            }
            
            .mobile-menu {
                width: 100%;
            }
            
            .mobile-menu-header {
                padding: 1.5rem 1rem 1rem;
            }
        }

        /* NEW: Smooth scroll behavior for webkit browsers */
        @media (prefers-reduced-motion: no-preference) {
            html {
                scroll-behavior: smooth;
            }
        }

        /* Corrección para forzar el desplazamiento de la página */
html, body {
    /* Permitir que el contenido defina la altura */
    height: auto !important; 
    min-height: 100vh; /* Asegura que siempre llene la pantalla */
    
    /* Forzar la barra de desplazamiento si el contenido se desborda */
    overflow-y: scroll !important; 
    overflow: visible !important; /* Desactivar cualquier hidden */
}

/* Asegurar que el contenedor de las slides no tenga altura fija */
.presentation-container {
    height: auto !important;
    min-height: 100vh; /* Opcional, dependiendo de cómo manejes tus slides */
}