html { scroll-behavior: smooth; }
:root {
  --bg-dark: #000000;
  --bg-section: #050505;
  --bg-card: #080808;
  --gold: #C5A059;
  --gold-hover: #A88645;
  --gold-muted: rgba(197, 160, 89, 0.15);
  --text-light: #F4F4F4;
  --text-muted: #8E8E8E;
  --font-main: 'Optima', 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-title: 'Playfair Display', 'Didot', 'Georgia', serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-dark); color: var(--text-light); font-family: var(--font-main); line-height: 1.8; font-weight: 300; overflow-x: hidden; -webkit-font-smoothing: antialiased; animation: fadeIn 1.2s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
a { color: var(--text-light); text-decoration: none; transition: color 0.5s ease; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a:hover { color: var(--gold); }
h1, h2, h3, h4 { font-family: var(--font-title); font-weight: 400; color: var(--gold); text-transform: uppercase; }
h1 { font-size: 3.5rem; letter-spacing: 6px; line-height: 1.2; }
h2 { font-size: 2.2rem; letter-spacing: 5px; margin-bottom: 1.5rem; }
h3 { font-size: 1.4rem; letter-spacing: 2px; }
.container { width: 85%; max-width: 1200px; margin: 0 auto; padding: 8rem 0; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 1.5rem; } .mb-2 { margin-bottom: 2.5rem; } .mb-4 { margin-bottom: 5rem; }
.btn-gold { display: inline-block; background-color: transparent; color: var(--gold); border: 1px solid var(--gold); padding: 16px 42px; text-transform: uppercase; letter-spacing: 3px; font-size: 0.75rem; font-weight: 400; cursor: pointer; transition: all 0.5s ease; text-align: center; position: relative; overflow: hidden; z-index: 1; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.btn-gold::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--gold); z-index: -1; transform: scaleX(0); transform-origin: right; transition: transform 0.5s ease; }
.btn-gold:hover::before { transform: scaleX(1); transform-origin: left; }
.btn-gold:hover { color: var(--bg-dark); }
.btn-gold.filled { background-color: var(--gold); color: var(--bg-dark); }
.btn-gold.filled::before { background-color: var(--bg-dark); }
.btn-gold.filled:hover { color: var(--gold); border-color: var(--gold); }
header { border-bottom: 1px solid rgba(197, 160, 89, 0.08); padding: 1.8rem 0; position: fixed; width: 100%; top: 0; background-color: rgba(0, 0, 0, 0.85); backdrop-filter: blur(15px); z-index: 100; transition: background-color 0.4s ease; }
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 85%; max-width: 1200px; margin: 0 auto; }
.logo { font-family: var(--font-title); font-size: 1.6rem; color: var(--gold); letter-spacing: 6px; text-transform: uppercase; }
nav ul { list-style: none; display: flex; gap: 3rem; }
nav ul li a { text-transform: uppercase; font-size: 0.7rem; letter-spacing: 2.5px; color: var(--text-muted); -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
nav ul li a:hover { color: var(--gold); }
nav ul li a.nav-active { color: var(--gold); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 1px; background-color: var(--gold); transition: all 0.3s ease; }
.section-lead { color: var(--text-muted); font-size: 0.72rem; letter-spacing: 3px; text-transform: uppercase; text-align: center; padding: 4rem 0 0; }
.vip-section { background: linear-gradient(135deg, rgba(197,160,89,0.05), rgba(0,0,0,0)); border-top: 1px solid var(--gold-muted); border-bottom: 1px solid var(--gold-muted); }
.cta-section { padding: 8rem 0; text-align: center; }
.cta-section p { color: var(--text-muted); font-size: 0.95rem; letter-spacing: 1px; max-width: 580px; margin: 0 auto 2.5rem auto; }
.page-final-cta { padding: 8rem 0; text-align: center; background-color: var(--bg-section); }
.page-final-cta h2 { margin-bottom: 1.5rem; }
.page-final-cta p { color: var(--text-muted); font-size: 0.95rem; letter-spacing: 1px; max-width: 580px; margin: 0 auto 2.5rem auto; }
#age-gate-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.95); backdrop-filter: blur(8px); z-index: 9999; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.8s ease, visibility 0.8s ease; }
#age-gate-modal.active { opacity: 1; visibility: visible; }
.age-gate-content { background-color: var(--bg-card); border: 1px solid var(--gold-muted); padding: 6rem 4rem; text-align: center; max-width: 650px; width: 90%; box-shadow: 0 30px 60px rgba(0,0,0,0.8); }
.age-gate-content h2 { font-size: 2rem; margin-bottom: 1.5rem; letter-spacing: 5px; }
.age-gate-content p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 3.5rem; }
.age-buttons { display: flex; gap: 2rem; justify-content: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3rem; }
.bg-section { background-color: var(--bg-section); }
.section-divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.3), transparent); width: 60%; margin: 0 auto; }
a.card { display: block; color: var(--text-light); text-decoration: none; cursor: pointer; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.card { border: 1px solid var(--gold-muted); padding: 4rem 3rem; text-align: center; background-color: transparent; position: relative; overflow: hidden; isolation: isolate; -webkit-tap-highlight-color: transparent; transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.22s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card::before { content: ''; position: absolute; inset: 0; background-color: var(--gold); transform: scaleX(0); transform-origin: left; z-index: -1; transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card h3, .card h4, .card p { transition: color 0.22s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card:hover { border-color: var(--gold); transform: translateY(-8px); }
.card:hover::before { transform: scaleX(1); transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card:hover h3, .card:hover h4, .card:hover p { color: var(--bg-dark); }
.card:active { transform: scale(0.97); }
.card:active::before { transform: scaleX(1); transition: transform 0.1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card:active h3, .card:active h4, .card:active p { color: var(--bg-dark); }
.img-wrapper { overflow: hidden; position: relative; border: 1px solid var(--gold-muted); }
.img-fluid { max-width: 100%; height: auto; display: block; object-fit: cover; transition: transform 1.2s ease; filter: grayscale(20%); }
.img-wrapper:hover .img-fluid { transform: scale(1.08); filter: grayscale(0%); }
.notice-box { border: 1px solid rgba(197, 160, 89, 0.3); padding: 2.5rem; background: linear-gradient(135deg, rgba(197,160,89,0.03), rgba(0,0,0,0)); margin: 3rem 0; position: relative; }
.notice-box::before { content: ''; position: absolute; top: 5px; left: 5px; right: 5px; bottom: 5px; border: 1px solid rgba(197, 160, 89, 0.1); pointer-events: none; }
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,1)), url('../img/bia-show-hero.jpg') center/cover; background-attachment: fixed; }
.hero p { font-size: 1.05rem; color: rgba(255,255,255,0.75); max-width: 580px; margin: 0 auto 3.5rem auto; letter-spacing: 1.5px; line-height: 2; }
.whatsapp-float { position: fixed; bottom: 40px; right: 40px; background-color: #25D366; color: white; width: 55px; height: 55px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 30px rgba(0,0,0,0.6); z-index: 1000; transition: transform 0.4s ease; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.whatsapp-float svg { width: 26px; height: 26px; fill: currentColor; }
.whatsapp-float:hover { transform: scale(1.1) translateY(-5px); }
footer { border-top: 1px solid var(--gold-muted); padding: 6rem 0 4rem 0; text-align: center; background-color: #020202; }
@media (max-width: 992px) { .grid-2, .grid-4 { grid-template-columns: 1fr; gap: 4rem; } .grid-3 { grid-template-columns: 1fr 1fr; gap: 3rem; } h1 { font-size: 2.8rem; } .container { padding: 5rem 0; } }
@media (max-width: 768px) { .hamburger { display: flex; } .grid-3 { grid-template-columns: 1fr; } nav ul { display: none; } nav ul.nav-open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background-color: rgba(0,0,0,0.97); padding: 2rem 10%; gap: 1.8rem; border-bottom: 1px solid var(--gold-muted); z-index: 99; } h1 { font-size: 2.2rem; letter-spacing: 3px; } h2 { font-size: 1.8rem; } .age-buttons { flex-direction: column; gap: 1rem; } .whatsapp-float { bottom: 25px; right: 25px; } }