/* ==========================================================
           1. SISTEMA DE DISEÑO (ALTA GAMA / INTERMEDIO)
           ========================================================== */
        :root {
            /* Fondos con textura / Peso visual */
            --color-fondo-base: #F8F7F4; /* Marfil / Mármol muy claro */
            --color-fondo-secundario: #EFECE6; /* Beige perlado */
            
            /* Textos con alto contraste */
            --color-texto-oscuro: #2D2A26; 
            --color-texto-claro: #8C8984;
            
            /* Tonos Plata / Oro Blanco para Intermedio */
            --color-plata: #A5A299;
            --color-plata-claro: #D1CEC5;
            --color-plata-oscuro: #73706A;
            --gradiente-plata: linear-gradient(135deg, #D1CEC5 0%, #A5A299 100%);

            /* Tipografías Premium */
            --fuente-titulos: 'Cinzel', serif;
            --fuente-nombres: 'Great Vibes', cursive;
            --fuente-textos: 'Montserrat', sans-serif;

            /* Glassmorphism Sutil */
            --bg-cristal: rgba(255, 255, 255, 0.85);
            --borde-cristal: 1px solid rgba(209, 206, 197, 0.4);
            --sombra-cristal: 0 15px 40px rgba(0, 0, 0, 0.05);
            --blur-cristal: blur(12px);
        }

        /* ==========================================================
           2. RESET Y UTILIDADES DE ALTO RENDIMIENTO
           ========================================================== */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--fuente-textos); background-color: var(--color-fondo-base);
            color: var(--color-texto-oscuro); line-height: 1.6; overflow-x: hidden;
            -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
            position: relative;
        }
        /* Bloquear scroll hasta que se abra el sobre */
        body.no-scroll { overflow: hidden; height: 100vh; }

        h1, h2, h3 { font-family: var(--fuente-titulos); font-weight: 500; }
        .contenedor { max-width: 800px; margin: 0 auto; padding: 0 6%; position: relative; z-index: 5; }
        .seccion-padding { padding: 90px 0; position: relative; z-index: 5; }
        a { text-decoration: none; color: inherit; }

        /* CLASE MAESTRA: EFECTO CRISTAL EDITORIAL */
        .glass-card {
            background: var(--bg-cristal); backdrop-filter: var(--blur-cristal);
            -webkit-backdrop-filter: var(--blur-cristal); border: var(--borde-cristal);
            border-radius: 20px; box-shadow: var(--sombra-cristal);
            padding: 40px 30px; position: relative; overflow: hidden;
            transform: translate3d(0,0,0);
        }

        /* Animaciones Scroll Optimizadas */
        .fade-up { 
            opacity: 0; transform: translate3d(0, 40px, 0); 
            transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1); 
            will-change: opacity, transform;
        }
        .fade-up.visible { opacity: 1; transform: translate3d(0, 0, 0); }
        
        .reveal { 
            opacity: 0; clip-path: inset(100% 0 0 0);
            transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), clip-path 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
            will-change: opacity, clip-path;
        }
        .reveal.visible { opacity: 1; clip-path: inset(0 0 0 0); }

        .delay-1 { transition-delay: 200ms; } 
        .delay-2 { transition-delay: 400ms; }

        /* ==========================================================
           3. EFECTOS DE FONDO (MARMOL/PAPEL, ORBES)
           ========================================================== */
        /* Textura de Mármol/Papel Viejo (CSS Puro) */
        .textura-fondo {
            position: fixed; inset: 0; z-index: 1; pointer-events: none;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.015' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.08'/%3E%3C/svg%3E");
            mix-blend-mode: multiply;
        }

        .polvo-estrellas { position: fixed; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
        .orbe {
            position: absolute; border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
            will-change: transform, opacity;
        }
        .orbe-1 { width: 300px; height: 300px; top: 10%; left: -10%; animation: flotarOrbe 10s infinite alternate ease-in-out; }
        .orbe-2 { width: 200px; height: 200px; bottom: 20%; right: -5%; animation: flotarOrbe 15s infinite alternate-reverse ease-in-out; }
        
        @keyframes flotarOrbe { 0% { transform: translate3d(0, 0, 0); } 100% { transform: translate3d(40px, -60px, 0); } }

        /* ==========================================================
           4. EL SOBRE INTERACTIVO Y PRELOADER
           ========================================================== */
        #preloader { 
            position: fixed; inset: 0; background: var(--color-fondo-base); z-index: 99999; 
            display: flex; flex-direction: column; justify-content: center; align-items: center; 
            transition: opacity 0.8s ease; 
        }
        #preloader.oculto { opacity: 0; pointer-events: none; }
        .loader-icono { font-size: 3rem; color: var(--color-plata); animation: pulseLoader 2s infinite ease-in-out; }
        @keyframes pulseLoader { 0%, 100% { transform: translate3d(0,0,0); opacity: 1; } 50% { transform: translate3d(0,-10px,0); opacity: 0.5; } }

        /* Contenedor del Sobre (Tapa todo al inicio) */
        #pantalla-sobre {
            position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px); z-index: 90000;
            display: flex; flex-direction: column; justify-content: center; align-items: center;
            transition: opacity 1s ease, visibility 1s ease;
        }
        #pantalla-sobre.abierto { opacity: 0; visibility: hidden; }

        .sobre-wrapper {
            position: relative; width: 90%; max-width: 400px; aspect-ratio: 4/3;
            perspective: 1000px; cursor: pointer;
            will-change: transform; transition: transform 0.3s ease;
        }
        .sobre-wrapper:hover { transform: scale(1.02); }
        .sobre-wrapper.animar-apertura { pointer-events: none; }

        .sobre-cuerpo {
            position: absolute; inset: 0; background: #FDFBF7;
            border-radius: 10px; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            overflow: hidden;
        }
        /* Pliegues del sobre simulados con CSS */
        .sobre-cuerpo::before {
            content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 0;
            border-left: 200px solid transparent; border-right: 200px solid transparent;
            border-bottom: 150px solid #F0ECE1; z-index: 2;
        }
        
        .sobre-tapa {
            position: absolute; top: 0; left: 0; width: 100%; height: 60%;
            background: #E8E4D9; clip-path: polygon(0 0, 100% 0, 50% 100%);
            transform-origin: top; z-index: 4;
            transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .animar-apertura .sobre-tapa { transform: rotateX(180deg); z-index: 1; }

        /* Sello de Cera Elegante */
        .sello-cera {
            position: absolute; top: 60%; left: 50%; transform: translate(-50%, -50%);
            width: 70px; height: 70px; background: #8C2131; /* Rojo Vino / Cera clásico */
            border-radius: 50%; z-index: 5;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.3), 0 5px 15px rgba(0,0,0,0.4);
            display: flex; justify-content: center; align-items: center;
            color: #EBDCB2; font-family: var(--fuente-titulos); font-size: 1.8rem;
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        /* Textura interna del sello */
        .sello-cera::after {
            content: ''; position: absolute; inset: 4px;
            border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
        }
        .animar-apertura .sello-cera { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }

        .sobre-instruccion {
            color: white; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 3px;
            margin-top: 40px; animation: pulseInstruccion 2s infinite; font-family: var(--fuente-textos);
        }
        @keyframes pulseInstruccion { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

        /* ==========================================================
           5. REPRODUCTOR DE MÚSICA (FLOTANTE)
           ========================================================== */
        #btn-musica {
            position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px;
            background: rgba(255,255,255,0.9); border: 1px solid var(--color-plata-claro);
            border-radius: 50%; display: flex; justify-content: center; align-items: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1); z-index: 80000; cursor: pointer;
            backdrop-filter: blur(10px); color: var(--color-texto-oscuro); font-size: 1.5rem;
            transition: transform 0.3s ease; opacity: 0; visibility: hidden;
        }
        #btn-musica.visible { opacity: 1; visibility: visible; }
        #btn-musica:hover { transform: scale(1.1); }
        .musica-reproduciendo i { animation: girarDisco 4s linear infinite; color: var(--color-plata); }
        @keyframes girarDisco { 100% { transform: rotate(360deg); } }

        /* ==========================================================
           6. BOTONES (ESTILO INTERMEDIO)
           ========================================================== */
        .btn-principal {
            display: inline-flex; align-items: center; justify-content: center; gap: 10px;
            background: var(--color-texto-oscuro); color: white; padding: 15px 35px;
            font-family: var(--fuente-textos); font-weight: 500; font-size: 0.95rem; 
            text-transform: uppercase; letter-spacing: 2px; border-radius: 50px; 
            border: none; cursor: pointer; box-shadow: 0 10px 20px rgba(0,0,0,0.1); 
            transition: all 0.3s ease; will-change: transform; position: relative; z-index: 10;
        }
        .btn-principal:hover { transform: translate3d(0, -3px, 0); box-shadow: 0 15px 25px rgba(0,0,0,0.15); }

        .btn-whatsapp {
            display: inline-flex; align-items: center; justify-content: center; gap: 10px;
            background: #25D366; color: white; padding: 15px 35px;
            font-family: var(--fuente-textos); font-weight: 600; font-size: 0.95rem; 
            text-transform: uppercase; letter-spacing: 1px; border-radius: 50px; 
            border: none; cursor: pointer; box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3); 
            transition: all 0.3s ease; will-change: transform; position: relative; z-index: 10;
        }
        .btn-whatsapp:hover { 
            background: #128C7E; transform: translate3d(0, -3px, 0); 
            box-shadow: 0 15px 25px rgba(37, 211, 102, 0.4); color: white;
        }

        /* ==========================================================
           7. DECORACIONES (DIVISORES Y DESTELLOS)
           ========================================================== */
        .divisor-ornamental {
            display: flex; align-items: center; justify-content: center; gap: 15px; margin: 0 auto 35px; position: relative; z-index: 15;
        }
        .divisor-ornamental .linea { height: 1px; width: 60px; background: var(--color-plata-claro); }
        .divisor-ornamental i { font-size: 1.2rem; color: var(--color-plata); }

        /* ==========================================================
           8. PORTADA HERO (REDISEÑO EDITORIAL)
           ========================================================== */
        .hero { 
            position: relative; min-height: 100vh; display: flex; 
            align-items: center; justify-content: center; padding: 20px; 
            overflow: hidden;
        }
        
        /* Fondo fotográfico de la festejada */
        .hero-bg { position: absolute; inset: 0; z-index: 1; }
        .hero-bg img { 
            width: 100%; height: 100%; object-fit: cover; object-position: center 20%;
            filter: brightness(0.9); /* Ligeramente oscurecida para resaltar el texto */
        }
        /* Degradado para fundirse con el fondo de la invitación */
        .hero-bg::after { 
            content: ''; position: absolute; inset: 0; 
            background: linear-gradient(to bottom, rgba(248,247,244,0.1) 0%, rgba(248,247,244,1) 95%); 
        }

        .hero-marco {
            position: absolute; inset: 20px; border: 1px solid var(--color-plata-claro);
            z-index: 3; pointer-events: none;
        }
        .hero-marco::before, .hero-marco::after {
            content: ''; position: absolute; width: 30px; height: 30px; border: 1px solid var(--color-plata);
        }
        .hero-marco::before { top: -5px; left: -5px; border-right: none; border-bottom: none; }
        .hero-marco::after { bottom: -5px; right: -5px; border-left: none; border-top: none; }

        .hero-content { position: relative; z-index: 10; width: 100%; max-width: 500px; text-align: center; }
        
        .hero-etiqueta { font-size: 0.9rem; letter-spacing: 6px; text-transform: uppercase; color: var(--color-texto-claro); margin-bottom: 20px; }
        .hero-nombre { font-family: var(--fuente-nombres); font-size: 6rem; line-height: 1; color: var(--color-texto-oscuro); margin-bottom: 20px; }
        .hero-fecha { font-family: var(--fuente-titulos); font-size: 1.2rem; color: var(--color-texto-oscuro); letter-spacing: 3px; text-transform: uppercase; }

        /* ==========================================================
           9. SECCIÓN NARRATIVA (TEXTO BÍBLICO E INVITACIÓN)
           ========================================================== */
        .texto-biblico {
            font-family: var(--fuente-titulos); font-size: 1.4rem; color: var(--color-plata-oscuro);
            text-align: center; max-width: 600px; margin: 0 auto; line-height: 1.6; font-style: italic;
        }
        .referencia-biblica {
            display: block; font-family: var(--fuente-textos); font-size: 0.85rem; letter-spacing: 3px;
            text-transform: uppercase; margin-top: 20px; color: var(--color-texto-claro); font-style: normal;
        }

        .texto-largo-invitacion { 
            font-size: 1.05rem; line-height: 1.9; color: var(--color-texto-oscuro); 
            margin: 0 auto; max-width: 600px; font-weight: 300; text-align: center;
        }
        .texto-largo-invitacion p { margin-bottom: 20px; }

        .bloque-pilares { margin-top: 60px; text-align: center; }
        .etiqueta-honor { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 4px; color: var(--color-texto-claro); margin-bottom: 10px; }
        .nombres-honor { font-family: var(--fuente-titulos); font-size: 1.6rem; color: var(--color-texto-oscuro); margin-bottom: 40px; }

        /* ==========================================================
           10. GALERÍA EDITORIAL (MÓDULO INTERMEDIO)
           ========================================================== */
        .galeria-grid {
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-top: 40px;
        }
        .foto-galeria {
            width: 100%; height: 250px; object-fit: cover; border-radius: 10px;
            filter: grayscale(80%) sepia(20%); transition: all 0.5s ease; cursor: pointer;
        }
        .foto-galeria:hover { filter: grayscale(0%) sepia(0%); transform: scale(1.02); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
        /* Asimetría elegante */
        .foto-galeria:nth-child(1) { grid-column: span 2; height: 350px; }
        .foto-galeria:nth-child(2) { border-radius: 10px 50px 10px 10px; }
        .foto-galeria:nth-child(3) { border-radius: 10px 10px 50px 10px; }

        /* ==========================================================
           11. ITINERARIO EXPANDIDO (7 PUNTOS)
           ========================================================== */
        .timeline { position: relative; max-width: 600px; margin: 50px auto 0; padding-left: 30px; }
        /* Línea vertical */
        .timeline::before {
            content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 1px;
            background: var(--color-plata-claro);
        }

        .timeline-item { position: relative; margin-bottom: 40px; }
        .timeline-item:last-child { margin-bottom: 0; }
        
        /* Punto en la línea */
        .timeline-punto {
            position: absolute; left: -34px; top: 5px; width: 9px; height: 9px;
            background: white; border: 2px solid var(--color-plata); border-radius: 50%;
            box-shadow: 0 0 0 4px var(--color-fondo-base);
        }

        .timeline-hora { font-family: var(--fuente-titulos); font-size: 1.2rem; color: var(--color-texto-oscuro); margin-bottom: 5px; font-weight: 600; }
        .timeline-titulo { font-size: 1.05rem; font-weight: 500; color: var(--color-texto-oscuro); display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
        .timeline-titulo i { color: var(--color-plata); }
        .timeline-desc { font-size: 0.9rem; color: var(--color-texto-claro); line-height: 1.4; }

        /* ==========================================================
           12. CÓDIGO DE VESTIMENTA (DOBLE)
           ========================================================== */
        .dresscode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 30px; }
        .dresscode-card {
            background: white; border-radius: 15px; padding: 40px 20px; text-align: center;
            border: 1px solid var(--color-plata-claro); box-shadow: var(--sombra-cristal);
        }
        .dresscode-icono { font-size: 3rem; color: var(--color-texto-oscuro); margin-bottom: 15px; }
        .dresscode-titulo { font-family: var(--fuente-titulos); font-size: 1.2rem; margin-bottom: 10px; }
        .dresscode-desc { font-size: 0.85rem; color: var(--color-texto-claro); }

        /* Colores Visuales (Swatches) */
        .colores-visuales { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 25px; }
        .color-swatch { 
            width: 32px; height: 32px; border-radius: 50%; border: 2px solid white;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1); position: relative;
        }
        .color-prohibido::after {
            content: ''; position: absolute; top: 50%; left: 50%; width: 70%; height: 3px;
            background: rgba(229, 62, 62, 0.85); transform: translate(-50%, -50%) rotate(-45deg); border-radius: 2px;
        }

        /* ==========================================================
           13. REGALOS
           ========================================================== */
        .info-bancaria {
            display: none; background: var(--color-fondo-secundario); padding: 25px;
            border-radius: 15px; margin-top: 20px; border: 1px dashed var(--color-plata);
            animation: fadeIn 0.5s ease;
        }
        .info-bancaria.visible { display: block; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

        /* ==========================================================
           13.5 RSVP (ESTILO PAPELERÍA FINA)
           ========================================================== */
        .seccion-rsvp { 
            background: linear-gradient(to bottom, rgba(255,255,255,0.95), rgba(243,244,246,0.95));
            color: var(--color-texto-oscuro); 
            border-radius: 200px 200px 20px 20px; 
            padding: 80px 30px 60px; 
            text-align: center; 
            position: relative; 
            z-index: 10;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.05);
            border: 3px solid white;
            backdrop-filter: blur(10px);
            max-width: 500px; 
            margin: 0 auto;
        }
        
        .seccion-rsvp::before {
            content: ''; position: absolute; inset: 12px;
            border: 1px dashed var(--color-plata-oscuro);
            border-radius: 190px 190px 10px 10px;
            pointer-events: none; opacity: 0.4;
        }

        .icono-rsvp { font-size: 3rem; color: var(--color-plata); margin-bottom: 10px; position: relative; z-index: 2; }
        .seccion-rsvp h2 { color: var(--color-texto-oscuro); font-size: 2rem; position: relative; z-index: 2; line-height: 1.2; }
        .seccion-rsvp p { color: var(--color-texto-claro); margin: 20px auto 35px; font-size: 0.95rem; max-width: 350px; position: relative; z-index: 2; }
        
        /* Destellos Angelicales para RSVP */
        .destello {
            position: absolute; color: var(--color-plata-claro); font-size: 1.5rem;
            animation: titilar 3s infinite alternate; pointer-events: none; z-index: 12;
            will-change: opacity;
        }
        .destello-1 { top: 20px; left: 20px; animation-delay: 0s; font-size: 2rem; }
        .destello-3 { top: 60px; right: 25px; animation-delay: 0.8s; font-size: 1.6rem; }
        
        @keyframes titilar { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }

        /* ==========================================================
           14. FOOTER ARTEENLINK
           ========================================================== */
        footer { background-color: var(--color-texto-oscuro); color: #FFFFFF; padding: 60px 0 20px; position: relative; z-index: 10; margin-top: 60px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 30px; }
        .logo { font-family: 'Playfair Display', serif; font-size: 1.8rem; font-weight: 700; letter-spacing: -0.5px; }
        .logo span { font-style: italic; }
        .redes-sociales { display: flex; justify-content: center; gap: 20px; margin-top: 20px; }
        .redes-sociales a { color: rgba(255,255,255,0.7); font-size: 1.5rem; transition: color 0.3s ease; }
        .redes-sociales a:hover { color: white; }
        .copyright { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; color: rgba(255,255,255,0.5); font-size: 0.85rem; }

        /* ==========================================================
           15. RESPONSIVO
           ========================================================== */
        @media (max-width: 600px) {
            .hero-nombre { font-size: 4.5rem; }
            .texto-biblico { font-size: 1.2rem; }
            .dresscode-grid { grid-template-columns: 1fr; }
            .seccion-rsvp { border-radius: 150px 150px 20px 20px; padding: 60px 20px 40px; }
            .seccion-rsvp::before { border-radius: 140px 140px 10px 10px; }
        }