:root {
    --bg-main: #0a0a0a;
    --bg-surface: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #D4AF37; 
    --font-main: 'Helvetica Neue', sans-serif;
}

html {
    scroll-behavior: smooth;
}

html::-webkit-scrollbar {
    display: none;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === EFECTO CORTINA: SECCIONES SUPERPUESTAS === */
.curtain-section {
    position: relative;
    width: 100%;
    background-color: var(--bg-main);
    box-shadow: 0 -25px 40px rgba(0, 0, 0, 0.8);
    z-index: 2;
}

#hero {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.live-show-section {
    margin-top: 100vh;
    background-color: var(--bg-main);
}

.about-section {
    background-color: var(--bg-surface);
}

/* === CLASES GLOBALES === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* === NAVBAR Y LOGO === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: rgba(10, 10, 10, 0.95);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: -1px;
}

.nav-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* === HERO CONTENT Y BOTÓN DE AUDIO === */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1; 
    opacity: 0.4; 
}

/* Botón flotante de Mute / Sonido */
.sound-toggle-btn {
    position: absolute;
    bottom: 40px;
    left: 50px;
    z-index: 10;
    background: rgba(20, 20, 20, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
}

.sound-toggle-btn:hover {
    background: var(--accent);
    color: var(--bg-main);
    border-color: var(--accent);
    transform: scale(1.05);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 60px;
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 5.5rem); 
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -2px;
    margin-bottom: 30px;
}

.cta-btn {
    padding: 16px 32px;
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background-color: var(--accent);
    color: var(--bg-main);
}

/* === SECCIONES: SHOW Y BIO === */
.live-show-section, .about-section {
    padding: 120px 0;
}

.grid-layout {
    display: flex;
    gap: 60px;
    align-items: center;
}

.animate-left, .animate-right {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: opacity, transform;
}

.animate-left { transform: translateX(-80px); }
.animate-right { transform: translateX(80px); }
.animate-left.active, .animate-right.active { opacity: 1; transform: translateX(0); }

.text-content { flex: 1; }
.text-content h2 { font-size: 2.5rem; text-transform: uppercase; margin-bottom: 10px; font-weight: 900; }
.text-content h3 { color: var(--accent); margin-bottom: 20px; text-transform: uppercase; }
.text-content p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 20px; }

.visual-content { flex: 1; width: 100%; }
.visual-content img {
    width: 100%;
    height: 100%;
    max-height: 500px; 
    object-fit: cover; 
    border-radius: 8px; 
    display: block;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); 
}

/* === GALERÍA DE PÓSTERS EN CORTINA SUPERPUESTA (STACKING CARDS) === */
.stacking-gallery-section {
    position: relative;
    padding: 140px 0 200px 0;
    background: radial-gradient(circle at center, #241109 0%, var(--bg-main) 85%);
    z-index: 2;
    box-shadow: 0 -25px 40px rgba(0, 0, 0, 0.8);
}

.stacking-header {
    text-align: center;
    margin-bottom: 80px;
}

.stacking-header h2 {
    font-size: 3.2rem;
    text-transform: uppercase;
    font-weight: 900;
    margin-bottom: 10px;
}

.stacking-header p {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.stacking-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 50px;
}

.stack-card {
    position: sticky;
    top: 120px;
    margin-bottom: 40px;
    transform-origin: center top;
    transition: transform 0.4s ease;
}

.stack-card-inner {
    position: relative;
    width: 100%;
    height: 520px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: var(--bg-surface);
}

.stack-card-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.9);
    transition: transform 0.6s ease;
}

.stack-card:hover .stack-card-inner img {
    transform: scale(1.03);
    filter: brightness(1.05);
}

.stack-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 40px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}

.stack-info span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.stack-info h3 {
    font-size: 1.8rem;
    text-transform: uppercase;
    font-weight: 800;
}

/* === REPRODUCTOR DE SPOTIFY FLOTANTE === */
.spotify-floating-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 340px;
    background: rgba(15, 15, 15, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    z-index: 999;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.spotify-close-btn {
    position: absolute;
    top: -12px;
    right: -12px;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    z-index: 1000;
}

.spotify-close-btn:hover {
    background: var(--accent);
    color: var(--bg-main);
    transform: scale(1.1);
}

.spotify-iframe-wrapper {
    padding: 8px;
    overflow: hidden;
    border-radius: 12px;
}

.spotify-floating-container.minimized {
    width: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    bottom: 20px;
    right: 20px;
}

.spotify-floating-container.minimized .spotify-iframe-wrapper {
    display: none;
}

.spotify-floating-container.minimized .spotify-close-btn {
    position: relative;
    top: 0;
    right: 0;
    width: 52px;
    height: 52px;
    font-size: 1.25rem;
    background: rgba(15, 15, 15, 0.95);
    border: 2px solid var(--accent);
    color: var(--accent);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7);
}

/* === FOOTER === */
footer {
    position: relative;
    padding: 60px 5%;
    text-align: center;
    background-color: #050505;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 10;
}

footer h2 { margin-bottom: 30px; font-size: 1.5rem; }

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.social-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-links a:hover { color: var(--accent); }

.booking-email { color: var(--text-secondary); }
.booking-email a { color: var(--accent); text-decoration: none; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .grid-layout { flex-direction: column; }
    .inverse { flex-direction: column-reverse; }
    .visual-content img { max-height: 350px; }
    .social-links { flex-direction: column; gap: 15px; align-items: center; }
    .stack-card-inner { height: 360px; }
    .stack-card { top: 90px; }
    .sound-toggle-btn { bottom: 20px; left: 20px; padding: 10px 16px; font-size: 0.8rem; }
}