/* ===== THEME VARIABLES ===== */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --accent: #c9a84c;
  --text: #f0ece4;
  --text-muted: #888880;
  --border: #222;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', Arial, sans-serif;
  --transition: 0.3s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  transition: color var(--transition);
}
.site-header .logo:hover { color: var(--accent); }

.site-header .back-link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.site-header .back-link:hover { color: var(--accent); }
.site-header .back-link::before { content: '←'; font-size: 0.9rem; }

/* ===== INDEX HERO ===== */
.index-hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 2rem 4rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.index-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(201,168,76,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.index-hero .designer-name {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}

.index-hero .designer-title {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.index-hero .divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin: 1.8rem auto 0;
  opacity: 0.5;
}

/* ===== SECTION HEADINGS ===== */
.section {
  padding: 4rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* ===== PERFORMANCE CARDS (INDEX) ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }

.perf-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  display: block;
  transition: border-color var(--transition), transform var(--transition);
}

.perf-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.perf-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
  filter: brightness(0.7);
}

.perf-card:hover img {
  transform: scale(1.04);
  filter: brightness(0.5);
}

.perf-card .card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.2rem 1rem 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
}

.perf-card .card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.2;
}

.perf-card .card-year {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-top: 0.25rem;
}

/* ===== PERFORMANCE HERO ===== */
.perf-hero {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
}

.perf-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55);
}

.perf-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem 4rem;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 55%);
}

.perf-hero .perf-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.perf-hero .perf-year {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

@media (max-width: 700px) {
  .perf-hero { height: 55vh; }
  .perf-hero-overlay { padding: 2rem 1.5rem; }
}

/* ===== PERFORMANCE METADATA ===== */
.perf-meta {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.meta-item { display: flex; flex-direction: column; gap: 0.2rem; }

.meta-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.meta-value {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text);
}

@media (max-width: 700px) {
  .perf-meta { padding: 2rem 1.5rem; gap: 1.5rem; }
}

/* ===== GALLERY ===== */
.gallery {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 4rem 5rem;
  columns: 2;
  column-gap: 1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.gallery-item:hover { border-color: var(--accent); }

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: brightness(0.92);
}

.gallery-item:hover img {
  transform: scale(1.02);
  filter: brightness(1);
}

@media (max-width: 900px) {
  .gallery { padding: 2.5rem 2rem 4rem; }
}
@media (max-width: 700px) {
  .gallery { columns: 1; padding: 2rem 1.5rem 4rem; }
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  cursor: default;
  box-shadow: 0 0 60px rgba(0,0,0,0.6);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
  background: none;
  border: none;
  font-family: var(--font-sans);
}
.lightbox-close:hover { color: var(--text); }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2.5rem;
  cursor: pointer;
  padding: 1rem;
  transition: color var(--transition);
  line-height: 1;
}
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
.lightbox-prev:hover,
.lightbox-next:hover { color: var(--accent); }

.lightbox-close:focus-visible,
.lightbox-prev:focus-visible,
.lightbox-next:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--border);
  text-transform: uppercase;
}