@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        :root {
            --c1: #1A345C;
            --c2: #F4B224;
            --cL: #F6F5F1;
            --menu-transition: cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background: var(--cL);
            min-height: 100vh;
            position: relative;
        }
        
        /* Header Principal */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 2000;
            padding: 10px calc(50% - 680px);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
        }
        
        .header-main.scrolled {
            background: rgba(26, 52, 92, 0.45);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 15px;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }
        
        /* Logo */
        .logo {
           /* z-index: 2001;*/
            transition: all 0.3s ease;
        }
        
        .logo img {
            height: 50px;
            width: auto;
            filter: drop-shadow(0 2px 10px rgba(0,0,0,0.3));
        }
        
      /* Navegación Desktop */
        .desktop-nav {
            display: flex;
            align-items: baseline;
            gap: 30px;
        }
        
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
            align-items: center;
            margin: 0;
            padding: 0;
        }
        
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-size: 18px;
            font-weight: 400;
            transition: all 0.3s ease;
            position: relative;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .desktop-nav a:hover {
            color: var(--c2);
        }
        
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--c2);
            transition: width 0.3s ease;
        }
        
        .desktop-nav a:hover::after {
            width: 100%;
        }
        
        /* Separador para idiomas */
        .nav-separator {
            width: 1px;
            height: 20px;
            background: rgba(255,255,255,0.3);
            margin: 0 10px;
        }
        
        /* Idiomas en desktop */
        .desktop-nav .lang-links {
            display: flex;
            gap: 15px;
        }
        
        .desktop-nav .lang-links a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            padding: 5px 12px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        
        .desktop-nav .lang-links a:hover,
        .desktop-nav .lang-links a.active {
            background: rgba(255,255,255,0.2);
            color: white;
        }
        
        .desktop-nav .lang-links a.active {
            background: var(--c2);
            color: var(--c1);
        }
        
        /* Botón de sonido en desktop */
        .sound-btn {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.3);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .sound-btn:hover {
            background: var(--c2);
            border-color: var(--c2);
            color: var(--c1);
            transform: scale(1.1);
        }
        
        /* Botón Menú Móvil (oculto en desktop) */
        .menu-toggle {
            display: none;
            position: relative;
            z-index: 2001;
            width: 50px;
            height: 50px;
            cursor: pointer;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: none;
            padding: 10px;
            transition: all 0.3s ease;
        }
        
        .menu-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--cL);
            transition: all 0.3s var(--menu-transition);
            transform-origin: center;
        }
        
        /* Estados del botón menú móvil */
        .menu-toggle.active span {
            background: var(--c2);
            box-shadow: 0 0 10px rgba(244, 178, 36, 0.5);
        }
        
        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scale(0);
        }
        
        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        
        /* Overlay oscuro con desenfoque (solo móvil) */
        .menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s var(--menu-transition);
            z-index: 999;
        }
        
        /* Contenedor del menú móvil */
        .mobile-menu-container {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 100%;
            height: 100vh;
            background: rgba(26, 52, 92, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.5s var(--menu-transition);
            z-index: 1000;
            overflow-y: auto;
            box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
        }
        
        .mobile-menu-container.active {
            right: 0;
        }
        
        /* Contenido del menú móvil */
        .menu-content {
            padding: 50px 30px 30px;
            display: flex;
            flex-direction: column;
        }
        
        /* Enlaces del menú móvil */
        .mobile-nav {
            display:block;
            list-style: none;
            /* margin-bottom: 30px; */
        }
        
        .mobile-nav li {
            opacity: 0;
            transform: translateX(30px);
        }
        
        .mobile-menu-container.active .mobile-nav li {
            animation: slideIn 0.5s forwards;
        }
        
        .mobile-nav li:nth-child(1) { animation-delay: 0.1s; }
        .mobile-nav li:nth-child(2) { animation-delay: 0.15s; }
        .mobile-nav li:nth-child(3) { animation-delay: 0.2s; }
        .mobile-nav li:nth-child(4) { animation-delay: 0.25s; }
        .mobile-nav li:nth-child(5) { animation-delay: 0.3s; }
        .mobile-nav li:nth-child(6) { animation-delay: 0.35s; }
        .mobile-nav li:nth-child(7) { animation-delay: 0.4s; }
        
        @keyframes slideIn {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        .mobile-nav a {
            display: block;
            color: white;
            text-decoration: none;
            font-size: 24px;
            font-weight: 500;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        .mobile-nav a:hover {
            color: var(--c2);
            padding-left: 20px;
        }
        
        /* Idiomas en móvil */
        .mobile-languages {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            /* padding-top: 20px; */
            /* border-top: 1px solid rgba(255, 255, 255, 0.2); */
        }
        
        .mobile-languages a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        
        .mobile-languages a:hover,
        .mobile-languages a.active {
            background: var(--c2);
            color: var(--c1);
        }
        
        /* Botón de sonido móvil */
        .mobile-sound {
            display: flex;
            align-items: center;
            gap: 15px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 30px;
        }
        
        .mobile-sound button {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .mobile-sound button:hover {
            background: var(--c2);
            border-color: var(--c2);
            color: var(--c1);
        }
        
        /* Responsive */
        @media (max-width: 1200px) {
            /* Ocultar navegación desktop */
            .desktop-nav {
                display: none;
            }
            
            /* Mostrar botón hamburguesa */
            .menu-toggle {
                display: flex;
            }
            
            /* Mostrar overlay y menú móvil */
            .menu-overlay,
            .mobile-menu-container {
                display: block;
            }
            
            /* Header siempre con fondo en móvil */
            .header-main {
                /* background: rgba(26, 52, 92, 0.95); */
                /* backdrop-filter: blur(10px); */
                padding: 15px 20px;
            }
            
            .logo img {
                height: 40px;
            }
            
            .menu-overlay.active {
                opacity: 1;
                visibility: visible;
            }
        }
        
        @media (max-width: 480px) {
            .header-main {
                padding: 12px 15px;
            }
            
            .menu-toggle {
                width: 45px;
                height: 45px;
            }
            
            .menu-toggle span {
                width: 24px;
            }
            
            .mobile-nav a {
                font-size: 20px;
                padding: 12px 0;
            }
            
            .menu-content {
                padding: 80px 30px 20px;
            }
            
            .logo img {
                height: 35px;
            }
        }
        
        /* Contenido demo */
        .hero-demo {
            height: 100vh;
            background: linear-gradient(135deg, var(--c1) 0%, #0A2342 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
        }
        
        .hero-demo h1 {
            font-size: clamp(2rem, 5vw, 4rem);
            margin-bottom: 20px;
        }
        
        .content-demo {
            padding: 100px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }