/* --- Variables de diseño renovadas --- */
:root {
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --color-bg-dark: #121212;
    --color-bg-medium: #1E1E1E;
    --color-bg-light: #2A2A2A;
    --color-text-light: #F5F5F5;
    --color-text-medium: #A3A3A3;
    --color-accent: #3b82f6; /* Azul vibrante */
    --color-accent-hover: #60a5fa; /* Azul más claro para hover */
    --section-padding: 6rem 0;
    --container-width: 1200px;
    --border-radius: 8px; /* Ligeramente más redondeado */
    --transition-speed: 0.3s;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    background-color: var(--color-bg-dark);
    color: var(--color-text-medium);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-speed) ease; }
a:hover { color: var(--color-accent-hover); }
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--color-text-light);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}
.section-padding { padding: var(--section-padding); }


/* --- Preloader de Introducción Sofisticado --- */
body.intro-active {
    overflow: hidden;
}

#intro-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: var(--color-bg-dark);
    display: grid;
    place-items: center;
    transition: transform 1.2s cubic-bezier(0.83, 0, 0.17, 1);
}

#intro-loader.hidden {
    transform: translateY(-100%);
}

.loader-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loader-logo {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--color-text-light);
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 2px;
    text-align: center;
}

.loader-line {
    overflow: hidden;
    display: block;
}

.loader-line span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    animation: letter-reveal 1s cubic-bezier(0.83, 0, 0.17, 1) forwards;
}

.loader-credit {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--color-text-medium);
    letter-spacing: 2px;
    margin-top: 1.5rem;
    text-transform: uppercase;
    opacity: 0;
    animation: fade-in 0.8s ease forwards;
    animation-delay: 1.4s;
}

@keyframes letter-reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loader-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%; 
    padding-bottom: 150%;
    transform: translate(-50%, -50%);
    border: 2px solid transparent;
    border-top-color: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    animation: orbit-rotate 2s linear infinite, fade-in 0.5s ease forwards;
    animation-delay: 1.3s, 1.3s;
}

@keyframes orbit-rotate {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes fade-in {
    to { opacity: 1; }
}


/* --- Header --- */
#main-header {
    background-color: rgba(18, 18, 18, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
#main-header.scrolled {
    background-color: rgba(30, 30, 30, 0.85);
    border-color: var(--color-bg-light);
}
#main-header .container { display: flex; justify-content: space-between; align-items: center; }

/* NUEVO: Contenedor para el logo y el crédito */
.logo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo { 
    font-family: var(--font-primary); 
    font-size: 1.8rem; 
    font-weight: 900; 
    color: var(--color-text-light); 
    line-height: 1.1; /* Ajuste para que el texto de abajo no se separe tanto */
}
.logo span { color: var(--color-accent); }

/* NUEVO: Estilo para el crédito en el header */
.header-credit {
    font-family: var(--font-secondary);
    font-size: 0.65rem;
    color: var(--color-text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: -2px; /* Junta el texto al logo */
}

#main-nav ul { list-style: none; display: flex; }
#main-nav ul li { margin-left: 25px; }
#main-nav ul li a { color: var(--color-text-light); font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.5px; position: relative; padding-bottom: 5px; }
#main-nav ul li a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--color-accent); transition: width var(--transition-speed) ease; }
#main-nav ul li a:hover::after, #main-nav ul li a.active::after { width: 100%; }
#mobile-menu-toggle { display: none; }

/* --- Hero Section --- */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex; align-items: center; justify-content: center; text-align: center;
    position: relative;
    color: #fff;
}
.hero-bg-slider { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.hero-bg-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center center; background-repeat: no-repeat; opacity: 0; transition: opacity 2s ease-in-out; }
.hero-bg-slide.active { opacity: 1; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, rgba(18,18,18,0.3) 0%, rgba(18,18,18,0.8) 100%); }
.hero-content { position: relative; z-index: 1; }
.hero-title { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; margin-bottom: 0.5rem; letter-spacing: -1px; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero-subtitle { font-size: clamp(1rem, 2.5vw, 1.5rem); font-family: var(--font-secondary); margin-bottom: 2rem; color: rgba(245,245,245,0.9); font-weight: 400; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-button { display: inline-block; background-color: var(--color-accent); color: var(--color-text-light); padding: 14px 35px; border-radius: var(--border-radius); font-weight: 700; font-family: var(--font-primary); text-transform: uppercase; letter-spacing: 1px; transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease; box-shadow: var(--shadow-md); }
.cta-button:hover { background-color: var(--color-accent-hover); transform: translateY(-3px); color: var(--color-text-light); }
.scroll-down-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 1.5rem; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-10px); } 60% { transform: translateX(-50%) translateY(-5px); } }

/* --- General Section Styling --- */
.section-title { font-size: clamp(2rem, 5vw, 3rem); text-align: center; margin-bottom: 1rem; position: relative; padding-bottom: 1rem; }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background-color: var(--color-accent); border-radius: 2px; }
.section-intro { text-align: center; max-width: 700px; margin: 0 auto 3rem auto; font-size: 1.1rem; color: var(--color-text-medium); }
.cta-button-outline { display: inline-block; border: 2px solid var(--color-accent); color: var(--color-accent); padding: 12px 30px; border-radius: var(--border-radius); font-weight: 700; font-family: var(--font-primary); text-transform: uppercase; letter-spacing: 1px; transition: all var(--transition-speed) ease; }
.cta-button-outline:hover { background-color: var(--color-accent); color: var(--color-text-light); transform: translateY(-3px); }


/* --- Gallery Section con Animación Shimmer --- */
.gallery-actions { text-align: center; margin-bottom: 2rem; }
.gallery-download-zip-btn { display: inline-flex; align-items: center; gap: 0.75rem; }
.gallery-filters { margin-bottom: 2.5rem; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.filter-btn { background-color: var(--color-bg-medium); color: var(--color-text-light); border: 1px solid var(--color-bg-light); padding: 10px 22px; border-radius: 30px; cursor: pointer; font-size: 0.9rem; font-weight: 600; font-family: var(--font-secondary); transition: all var(--transition-speed) ease; text-transform: capitalize; }
.filter-btn:hover { background-color: var(--color-bg-light); border-color: var(--color-text-medium); }
.filter-btn.active { background-color: var(--color-accent); color: var(--color-text-light); border-color: var(--color-accent); }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 25px; transition: opacity 0.3s ease; }

.gallery-item { 
    position: relative; 
    overflow: hidden; 
    cursor: pointer; 
    border-radius: var(--border-radius); 
    box-shadow: var(--shadow-sm); 
    background-color: var(--color-bg-medium);
    aspect-ratio: 4 / 5;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(100deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    transition: opacity 0.5s ease;
}

@keyframes shimmer {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

.gallery-item.item-loaded::before {
    opacity: 0;
    animation: none;
}

.gallery-item img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.5s ease;
    opacity: 0;
}

.gallery-item img.loaded {
    opacity: 1;
}

.gallery-item:hover img { transform: scale(1.05); }
.gallery-item .overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%); color: #fff; padding: 20px; opacity: 0; transform: translateY(20px); transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease; }
.gallery-item:hover .overlay { opacity: 1; transform: translateY(0); }
.gallery-item .overlay .photo-title { font-size: 1rem; font-weight: 700; font-family: var(--font-primary); color: #fff; }


/* --- Contact Section & Thanks Section Cards --- */
.contact-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem; }
a.contact-link, a.contact-link:hover { color: inherit; }

.contact-option, .thank-you-card {
    background-color: var(--color-bg-medium);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--color-bg-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.contact-option:hover, .thank-you-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.contact-option i, .thank-you-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    line-height: 1;
}

.card-logo { height: 80px; margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: center; }
.card-logo img { max-height: 100%; max-width: 150px; }
.card-title { font-size: 1.2rem; color: var(--color-text-light); margin-bottom: 0.5rem; }
.card-role { font-size: 0.9rem; color: var(--color-text-medium); margin: 0; font-family: var(--font-secondary); }

/* --- Footer --- */
#main-footer { background-color: #0c0c0c; color: var(--color-text-medium); text-align: center; padding: 3rem 0; margin-top: 4rem; font-size: 0.9rem; }
.footer-social { margin-bottom: 1rem; }
.footer-social a { color: var(--color-text-medium); font-size: 1.3rem; margin: 0 10px; }
.footer-social a:hover { color: var(--color-accent); }
#main-footer p { margin-bottom: 0.5rem; }

/* --- Lightbox --- */
.lightbox { display: none; position: fixed; z-index: 1001; left: 0; top: 0; width: 100%; height: 100%; overflow: hidden; background-color: rgba(18,18,18,0.95); opacity: 0; transition: opacity 0.3s ease; backdrop-filter: blur(5px); }
.lightbox.visible { opacity: 1; }
.lightbox-image-container { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; position: relative; }
.lightbox-content { max-width: 90vw; max-height: 85vh; border-radius: 3px; animation: lightboxZoom 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); cursor: grab; transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s ease; opacity: 1; }
.lightbox-content.zoomed { max-width: none; cursor: grabbing; transform: scale(2); }
@keyframes lightboxZoom { from {transform:scale(0.8); opacity: 0;} to {transform:scale(1); opacity: 1;} }
.close-lightbox { position: absolute; top: 20px; right: 30px; color: #f1f1f1; font-size: 45px; font-weight: bold; transition: 0.3s; cursor: pointer; line-height: 1; z-index: 1003; }
.close-lightbox:hover { color: var(--color-accent); }
.lightbox-caption { position: absolute; bottom: 15px; left: 50%; transform: translateX(-50%); width: 80%; max-width: 700px; text-align: center; color: #ccc; padding: 10px 0; z-index: 1002; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
#lightbox-title { font-size: 1.1rem; color: #fff; margin: 0; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); background-color: rgba(30,30,30,0.5); color: #fff; border: none; font-size: 2rem; padding: 15px; cursor: pointer; transition: all var(--transition-speed); z-index: 1002; border-radius: 3px; visibility: visible; }
.lightbox-nav:hover { background-color: rgba(30,30,30,0.8); }
.lightbox-nav.prev { left: 20px; }
.lightbox-nav.next { right: 20px; }

/* Menú de Descarga */
.download-container { position: relative; }
.download-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 8px 18px; border-radius: var(--border-radius); text-decoration: none; transition: all var(--transition-speed) ease; }
#main-download-btn { border: none; cursor: pointer; font-family: var(--font-primary); font-size: 0.9rem; }
.download-btn.highlight { background-color: var(--color-accent); border-color: var(--color-accent); color: var(--color-text-light); font-weight: 700; }
.download-btn.highlight:hover { background-color: var(--color-accent-hover); border-color: var(--color-accent-hover); transform: scale(1.05); }
.download-quality-menu { position: absolute; bottom: calc(100% + 10px); left: 50%; width: 220px; background-color: var(--color-bg-medium); border-radius: var(--border-radius); box-shadow: var(--shadow-md); border: 1px solid var(--color-bg-light); padding: 0.5rem; z-index: 10; opacity: 0; visibility: hidden; transform: translate(-50%, 10px); transition: all 0.25s cubic-bezier(0.165, 0.84, 0.44, 1); }
.download-quality-menu.visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.download-quality-menu a { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem; color: var(--color-text-light); text-decoration: none; border-radius: 4px; transition: background-color var(--transition-speed); }
.download-quality-menu a:hover { background-color: var(--color-bg-light); color: var(--color-accent); }

/* Indicador de Carga (Spinner) */
.spinner { width: 50px; height: 50px; border: 4px solid rgba(255, 255, 255, 0.3); border-top-color: var(--color-accent); border-radius: 50%; position: absolute; top: 50%; left: 50%; margin-top: -25px; margin-left: -25px; z-index: 1004; animation: spin 1s linear infinite; display: none; }
.spinner.visible { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Animación de aparición más fiable */
.fade-in-element {
    opacity: 0;
    transition: opacity 0.8s ease-out;
    pointer-events: none;
}
.fade-in-element.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* Cookie Banner */
#cookie-banner { position: fixed; bottom: 0; left: 0; width: 100%; background-color: rgba(18, 18, 18, 0.9); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); color: var(--color-text-medium); padding: 1rem 0; z-index: 2000; transform: translateY(100%); transition: transform 0.5s ease-in-out; font-size: 0.9rem; border-top: 1px solid var(--color-bg-light); }
#cookie-banner.visible { transform: translateY(0); }
.cookie-content { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; }
.cookie-content p { margin: 0; line-height: 1.6; }
.cookie-content a { color: var(--color-accent); text-decoration: underline; }
#cookie-accept-btn { background-color: var(--color-accent); color: var(--color-text-light); border: none; padding: 10px 22px; border-radius: var(--border-radius); cursor: pointer; font-weight: 700; font-family: var(--font-primary); white-space: nowrap; transition: background-color var(--transition-speed); }
#cookie-accept-btn:hover { background-color: var(--color-accent-hover); }

/* Countdown Timer */
#countdown-container,
.countdown-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.countdown-block { display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: rgba(30, 30, 30, 0.5); backdrop-filter: blur(5px); border: 1px solid var(--color-bg-light); border-radius: var(--border-radius); padding: 1rem; min-width: 80px; text-align: center; }
.countdown-number { font-family: var(--font-primary); font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; color: #fff; line-height: 1.1; }
.countdown-label { font-family: var(--font-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-medium); margin-top: 0.5rem; }
.event-started-message { font-family: var(--font-primary); color: var(--color-accent); font-size: 1.5rem; animation: fade-in 1s; }

/* Thanks Section BG */
.thanks-section { background-color: var(--color-bg-dark); }

/* Gallery Chooser Page */
.gallery-chooser-section { min-height: 80vh; background-color: var(--color-bg-dark); }
.gallery-chooser-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; margin-top: 3rem; }
.gallery-card { position: relative; height: 450px; border-radius: var(--border-radius); overflow: hidden; display: flex; align-items: flex-end; text-decoration: none; box-shadow: var(--shadow-md); transition: transform 0.4s ease, box-shadow 0.4s ease; }
.gallery-card:hover { transform: translateY(-10px); box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
.gallery-card-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; transition: transform 0.6s ease; }
.gallery-card:hover .gallery-card-bg { transform: scale(1.05); }
.gallery-card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top, rgba(18,18,18,0.9) 0%, rgba(18,18,18,0.1) 60%, rgba(18,18,18,0) 100%); }
.gallery-card-content { position: relative; z-index: 2; padding: 2rem; color: #fff; }
.gallery-card-title { font-size: 1.5rem; color: #fff; margin: 0 0 0.25rem 0; }
.gallery-card-subtitle { font-size: 1rem; color: var(--color-text-medium); margin: 0; }

/* --- Estilos para la Sección de Calendario --- */
.calendar-section { background-color: var(--color-bg-medium); }
.calendar-filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.calendar-filter-label { display: inline-block; cursor: pointer; }
.calendar-filter-label input { display: none; }
.calendar-filter-label span { display: inline-block; padding: 0.6rem 1.2rem; border: 1px solid var(--color-bg-light); background-color: var(--color-bg-dark); border-radius: 30px; color: var(--color-text-light); font-size: 0.9rem; font-weight: 600; transition: all var(--transition-speed) ease; }
.calendar-filter-label input:checked + span { background-color: var(--color-accent); border-color: var(--color-accent); color: var(--color-text-light); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.calendar-filter-label span:hover { border-color: var(--color-text-medium); }
.calendar-filter-label input:checked + span:hover { background-color: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.calendar-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.event-card { background-color: var(--color-bg-dark); border-radius: var(--border-radius); padding: 2rem; border-left: 4px solid var(--color-accent); display: flex; flex-direction: column; gap: 1rem; transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease; }
.event-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.event-card-header { display: flex; align-items: flex-start; gap: 1.5rem; }
.event-date { display: flex; flex-direction: column; align-items: center; background-color: var(--color-accent); color: var(--color-text-light); border-radius: var(--border-radius); padding: 0.5rem; min-width: 65px; text-align: center; }
.event-date .day { font-family: var(--font-primary); font-size: 1.8rem; font-weight: 900; line-height: 1; }
.event-date .month { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.event-details { flex: 1; }
.event-title { font-size: 1.3rem; color: var(--color-text-light); margin-bottom: 0.5rem; }
.event-group-tag { display: inline-block; background-color: var(--color-bg-light); color: var(--color-accent); padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.8rem; font-weight: 700; }
.event-description { font-size: 0.95rem; line-height: 1.6; color: var(--color-text-medium); margin-top: 0.5rem; }

/* --- Botón para volver arriba --- */
.scroll-to-top-btn {
    position: fixed; bottom: 20px; right: 20px; width: 50px; height: 50px;
    background-color: var(--color-accent); color: var(--color-text-light);
    border-radius: 50%; display: flex; justify-content: center; align-items: center;
    font-size: 1.5rem; text-decoration: none; z-index: 999;
    box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden; transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}
.scroll-to-top-btn:hover { background-color: var(--color-accent-hover); transform: translateY(-2px); }
.scroll-to-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* --- Estilos para la cuenta atrás de la galería --- */
.prox-container { width: 100%; grid-column: 1 / -1; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 2rem; }
.prox-container .event-started-message { margin: 0; }
.prox-container .countdown-container { margin: 0; }

/* --- Responsive --- */
@media (max-width: 768px) {
    html { font-size: 15px; }
    .section-padding { padding: 4rem 0; }
    #main-header { padding: 0.8rem 0; background-color: var(--color-bg-medium); }
    #main-nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--color-bg-medium); padding: 1rem 0; box-shadow: var(--shadow-md); }
    #main-nav ul.active { display: flex; }
    #main-nav ul li { margin: 0; width: 100%; }
    #main-nav ul li a { display: block; padding: 1rem 20px; text-align: center; }
    #main-nav ul li a::after { display: none; }
    #mobile-menu-toggle { display: block; background: none; border: none; color: var(--color-text-light); font-size: 1.5rem; cursor: pointer; padding: 0.5rem; z-index: 1001; }
    .hero { min-height: 500px; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
    .contact-options { grid-template-columns: 1fr; }
    .lightbox-nav { font-size: 1.5rem; padding: 20px 10px; }
    .lightbox-nav.prev { left: 5px; }
    .lightbox-nav.next { right: 5px; }
    .close-lightbox { font-size: 35px; top: 10px; right: 10px; padding: 15px; }
    .cookie-content { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

@media (max-width: 480px) {
    .gallery-chooser-grid, .gallery-grid { grid-template-columns: 1fr; }
    .filter-btn { padding: 8px 18px; font-size: 0.85rem; }
    .cta-button { padding: 12px 25px; font-size: 0.9rem; }
    .countdown-block { min-width: 60px; padding: 0.8rem 0.5rem; }
    .countdown-number { font-size: 1.8rem; }
    .countdown-label { font-size: 0.7rem; }
    .calendar-filters { gap: 0.5rem; }
    .calendar-filter-label span { padding: 0.5rem 1rem; }
}