/* Custom Properties & Tokens - Estética de Grabado (Light/Monochrome) */
:root {
    --color-bg-dark: #f8f8f8; /* Color papel claro */
    --color-bg-row1: #eaeaea; /* Gris sutil para contraste */
    --color-bg-row2: #f8f8f8;
    --color-text-main: #111111; /* Tinta negra (grabado) */
    --color-text-muted: #555555;
    --color-accent: #000000;
    
    --transition-smooth: cubic-bezier(0.76, 0, 0.24, 1);
    --transition-fast: cubic-bezier(0.25, 1, 0.5, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Lenis Smooth Scroll Recommended CSS */
html.lenis, html.lenis body {
    height: auto;
}
.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}
.lenis.lenis-stopped {
    overflow: hidden;
}
.lenis.lenis-smooth iframe {
    pointer-events: none;
}

/* Typography & Layout */
h1, h2, h3, p {
    margin: 0;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    z-index: 1;
    background: radial-gradient(circle at center, #ffffff 0%, var(--color-bg-dark) 100%);
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
    background: linear-gradient(180deg, #000000 0%, #444444 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h2 {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.description {
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    line-height: 1.6;
    font-weight: 300;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
    animation: bounce 2s infinite ease-in-out;
}

.scroll-indicator span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background-color: var(--color-text-main);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* Gallery Layout */
.gallery {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.gallery-row {
    padding: 8rem 4rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 1rem; /* Reducida la distancia horizontal */
    align-items: center;
    justify-items: center;
}

.row-1 {
    background-color: var(--color-bg-row1);
}

.row-2 {
    background-color: var(--color-bg-row2);
    grid-template-columns: repeat(4, 1fr); /* 4 columnas para la segunda tanda */
}

/* Las dos últimas horizontales de la fila 2 ocuparán 2 columnas cada una */
.row-2 .gallery-item:nth-child(5),
.row-2 .gallery-item:nth-child(6) {
    grid-column: span 2;
}

/* Gallery Item & Interactions */
.gallery-item {
    position: relative;
    height: 35vh; /* Altura estandarizada para que queden alineadas en la misma fila */
    width: 100%; /* Aprovecha el ancho de la celda del grid */
    cursor: pointer;
    overflow: hidden;
    border-radius: 4px;
    background-color: transparent;
    transition: transform 0.6s var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover {
    transform: scale(0.98);
}

.gallery-image {
    height: 100%;
    width: 100%;
    object-fit: contain; /* Muestra la obra completa sin recortar y centrada en su celda */
    transition: transform 1.2s var(--transition-smooth);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); /* Sombra muy sutil que simula el papel */
}

.gallery-item:hover .gallery-image {
    transform: scale(1.04);
}

/* Hover overlay indicator */
.hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover .hover-overlay {
    opacity: 1;
}

.hover-overlay span {
    padding: 0.5rem 1.2rem;
    border: 1px solid rgba(0,0,0,0.8);
    border-radius: 30px;
    font-size: 0.85rem;
    color: #000;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(2px);
    transform: translateY(10px);
    transition: transform 0.4s var(--transition-smooth);
}

.gallery-item:hover .hover-overlay span {
    transform: translateY(0);
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    visibility: hidden;
}

.lightbox.active {
    pointer-events: all;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(248, 248, 248, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lightbox.active .lightbox-overlay {
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 2.5rem;
    right: 2.5rem;
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    z-index: 1002;
    padding: 0.5rem;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border-radius: 50%;
}

.lightbox-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

.lightbox-content {
    position: relative;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 2rem;
    gap: 4rem;
    opacity: 0;
    transition: opacity 0.4s ease 0.1s;
}

.lightbox.active .lightbox-content {
    opacity: 1;
}

.lightbox-image-container {
    position: relative;
    width: 100%;
    max-width: 80vw;
    height: 85vh; /* Altura incrementada para incluir imagen y audio sin cortar */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem; /* Espacio entre imagen y controles */
}

.image-wrapper {
    width: 100%;
    flex: 1; /* Ocupa el espacio disponible */
    min-height: 0; /* Previene el desbordamiento en flexbox */
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 2px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15); /* Sombra elegante sobre el fondo claro */
}

/* Lightbox Navigation */
.nav-arrow {
    background: none;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    color: var(--color-accent);
    cursor: pointer;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.nav-arrow:hover {
    opacity: 1;
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.3);
    transform: scale(1.05);
}

/* Audio Player */
.audio-controls {
    position: relative; /* Cambiado a relative para no cortar */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease 0.4s;
    width: 250px;
    flex-shrink: 0;
}

.lightbox.active .audio-controls {
    opacity: 1;
}

.play-btn {
    background: var(--color-accent);
    color: #ffffff; /* Icono blanco sobre fondo negro */
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s ease;
    flex-shrink: 0;
}

.play-btn:hover {
    transform: scale(1.1);
    background: #333333;
}

.audio-progress-container {
    width: 100%;
    height: 4px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.audio-progress-bar {
    height: 100%;
    width: 0%;
    background-color: var(--color-text-main);
    border-radius: 2px;
    transition: width 0.1s linear;
}

.audio-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* Video Section */
.video-section {
    padding: 10rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--color-bg-dark);
}

.video-title {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    text-transform: uppercase;
}

.video-container {
    width: 100%;
    max-width: 1000px;
    aspect-ratio: 16/9;
    opacity: 0;
    transform: translateY(60px);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.2);
    background-color: #000;
    display: flex;
}

.video-container iframe,
.local-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Fallback Button */
.youtube-fallback-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background-color: #ff0000;
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 30px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.2);
    opacity: 0;
    animation: fadeInFallback 1.5s ease forwards 1s;
}

@keyframes fadeInFallback {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.youtube-fallback-btn:hover {
    background-color: #cc0000;
    transform: translateY(-3px);
}

/* Créditos */
.credits-section {
    padding: 6rem 2rem 4rem;
    background-color: var(--color-bg-dark);
    display: flex;
    justify-content: center;
}

.credits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 800px;
    width: 100%;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    text-align: left;
}

.credits-main strong {
    color: var(--color-text-main);
    font-weight: 500;
}

.credits-main p, .credits-musicians p {
    margin-bottom: 0.5rem;
}

/* Contacto */
.contact-section {
    padding: 0 2rem 8rem;
    background-color: var(--color-bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 2.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-main);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.contact-link:hover {
    color: var(--color-text-main);
    transform: translateY(-2px);
}

.contact-email-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    background-color: var(--color-accent);
    text-decoration: none;
    border-radius: 30px;
    transition: background 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    margin-left: 1rem;
}

.contact-email-btn:hover {
    background-color: #333333;
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 3rem;
    background-color: var(--color-bg-dark);
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 300;
    letter-spacing: 0.05em;
    text-align: center;
}

.donation-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    text-decoration: none;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 30px;
    transition: all 0.3s ease;
    background: transparent;
}

.donation-btn:hover {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.4);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .gallery-row, .row-2 {
        padding: 6rem 3rem;
        grid-template-columns: repeat(2, 1fr);
    }
    .row-2 .gallery-item:nth-child(5),
    .row-2 .gallery-item:nth-child(6) {
        grid-column: span 1; /* Reset en responsive */
    }
    .lightbox-content {
        gap: 2rem;
    }
    .gallery-item {
        height: 30vh;
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
    
    .gallery-row, .row-2 {
        padding: 4rem 1.5rem;
        gap: 2rem;
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-item {
        height: 25vh;
    }
    
    .lightbox-image-container {
        max-width: 90vw;
        height: 75vh;
    }
    
    .lightbox-content {
        padding: 1rem;
    }
    
    .nav-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 48px;
        height: 48px;
        background: rgba(255,255,255,0.9);
        border: none;
        z-index: 10;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    
    .nav-arrow.prev { left: 1rem; }
    .nav-arrow.next { right: 1rem; }
    
    .video-section {
        padding: 6rem 1.5rem;
    }
    
    .credits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-links {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .contact-email-btn {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .gallery-row, .row-2 {
        padding: 4rem 1rem;
        grid-template-columns: 1fr;
    }
    .gallery-item {
        height: 35vh; /* Aumentar en móvil para que luzca bien sola */
    }
    
    .lightbox-image-container {
        max-width: 95vw;
        height: 80vh;
    }
}