/* ============================================
   ChiCity Events — Global Styles
   ============================================ */

:root {
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dim: rgba(201, 168, 76, 0.15);
  --black: #0a0a0a;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --surface-3: #222222;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0ede8;
  --text-muted: #8a8580;
  --text-dim: #5a5650;
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================
   Typography
   ============================================ */

.display { font-family: var(--font-display); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gold);
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }

.nav-logo span {
  color: var(--text);
  opacity: 0.7;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: all 0.3s;
}

/* ============================================
   Hero — Home
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 2rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(201, 168, 76, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(201, 168, 76, 0.05) 0%, transparent 50%),
    linear-gradient(to bottom, #0a0a0a 0%, #0d0d0d 100%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(255,255,255,0.015) 79px,
      rgba(255,255,255,0.015) 80px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(255,255,255,0.015) 79px,
      rgba(255,255,255,0.015) 80px
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25em;
  line-height: 1;
}

.hero h1 span {
  color: var(--gold);
  font-style: italic;
}

.hero-tagline {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 3.5rem;
  letter-spacing: 0.05em;
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 1.5rem;
  opacity: 0.6;
}

.hero-sub {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: float 2.5s ease-in-out infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  opacity: 0.5;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   Section Wrapper
   ============================================ */

.section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-top: 0.75rem;
}

/* ============================================
   Event Cards — Home Grid
   ============================================ */

.events-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
}

.event-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.event-card:first-child {
  grid-column: span 2;
  aspect-ratio: 16/7;
}

.event-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45) saturate(0.8);
  transition: filter 0.6s ease, transform 0.8s ease;
}

.event-card-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-card-placeholder svg {
  width: 40%;
  max-width: 120px;
  opacity: 0.06;
}

.event-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.95) 0%,
    rgba(10,10,10,0.4) 50%,
    transparent 100%
  );
  transition: background 0.4s ease;
}

.event-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  transform: translateY(8px);
  transition: transform 0.4s ease;
}

.event-card-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.event-card-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.event-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.event-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease 0.05s, transform 0.3s ease 0.05s;
}

.event-card-cta::after {
  content: '→';
  transition: transform 0.2s;
}

.event-card:hover .event-card-img {
  filter: brightness(0.35) saturate(0.7);
  transform: scale(1.04);
}

.event-card:hover .event-card-body {
  transform: translateY(0);
}

.event-card:hover .event-card-cta {
  opacity: 1;
  transform: translateY(0);
}

.event-card:hover .event-card-cta::after {
  transform: translateX(3px);
}

/* ============================================
   Philosophy / About Strip
   ============================================ */

.philosophy {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.philosophy-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
}

.philosophy h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.1;
}

.philosophy h2 em {
  color: var(--gold);
  font-style: italic;
}

.philosophy p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.philosophy p:last-child { margin-bottom: 0; }

/* ============================================
   Event Page — Hero
   ============================================ */

.event-hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 4rem 3rem;
  overflow: hidden;
}

.event-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) saturate(0.7);
}

.event-hero-placeholder {
  position: absolute;
  inset: 0;
}

.event-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,0.8) 0%,
    rgba(10,10,10,0.3) 50%,
    rgba(10,10,10,0.6) 100%
  );
}

.event-hero-overlay-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(10,10,10,0.98) 0%, transparent 100%);
}

.event-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.event-hero .section-label {
  display: block;
  margin-bottom: 1rem;
}

.event-hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.event-hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--gold);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.event-hero-details {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.event-hero-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.event-hero-detail strong {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.25rem;
}

/* ============================================
   Event Page — Content
   ============================================ */

.event-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 5rem;
  align-items: start;
}

.event-description h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.event-description p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.event-description p:last-child { margin-bottom: 0; }

.event-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.detail-card h3 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.detail-item:last-child { border-bottom: none; padding-bottom: 0; }
.detail-item:first-of-type { padding-top: 0; }

.detail-item-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.detail-item-value {
  font-size: 0.9rem;
  color: var(--text);
}

.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.highlight-item::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  margin-top: 0.5rem;
}

/* ============================================
   Photo Gallery Placeholder
   ============================================ */

.gallery-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 5rem 2rem;
}

.gallery-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.gallery-header {
  margin-bottom: 2.5rem;
}

.gallery-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-top: 0.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}

.gallery-item {
  aspect-ratio: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.8);
  transition: filter 0.4s, transform 0.6s;
}

.gallery-item:hover img {
  filter: brightness(0.85) saturate(1);
  transform: scale(1.05);
}

.gallery-placeholder-icon {
  opacity: 0.06;
  width: 32px;
}

.gallery-coming-soon {
  grid-column: 1 / -1;
  padding: 3rem;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px dashed var(--border);
}

/* ============================================
   Back Navigation
   ============================================ */

.back-nav {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 50;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.back-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
}

/* ============================================
   Footer
   ============================================ */

footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  opacity: 0.7;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ============================================
   Animations
   ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 900px) {
  .events-grid {
    grid-template-columns: 1fr;
  }
  .event-card:first-child {
    grid-column: span 1;
    aspect-ratio: 4/3;
  }
  .philosophy-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .event-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .event-sidebar {
    position: static;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.5rem;
  }
  .nav-toggle { display: flex; }
  .event-hero {
    padding: 2rem 1.5rem 3rem;
  }
  .event-hero-details {
    gap: 1.5rem;
  }
  .back-nav {
    bottom: 1.5rem;
    right: 1.5rem;
  }
  footer {
    flex-direction: column;
    text-align: center;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}