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

:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --border: #2a2a2a;
  --accent: #c8a96e;
  --text: #e8e2d9;
  --muted: #888;
  --nav-h: 70px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Georgia", serif;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
}

.nav-brand {
  font-size: 1.25rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-style: italic;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-right label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

#section-select {
  appearance: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 2.4rem 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c8a96e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  transition: border-color 0.2s;
}

#section-select:focus {
  outline: none;
  border-color: var(--accent);
}

#section-select option {
  background: #1e1e1e;
}

/* ── HERO / SECTION TITLE ── */
.section-header {
  padding: 3.5rem 2.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.section-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-header p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  font-style: italic;
}

/* ── GRID ── */
.grid-container {
  padding: 2rem 2.5rem 4rem;
}

#grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.grid-item {
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  background: var(--surface);
  aspect-ratio: 3 / 2;
  position: relative;
}

.grid-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(200, 169, 110, 0);
  transition: background 0.25s;
}

.grid-item:hover::after {
  background: rgba(200, 169, 110, 0.08);
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.grid-item:hover img {
  transform: scale(1.04);
}

/* ── LIGHTBOX ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}

#lightbox.active { display: flex; }

.lb-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#lb-img {
  max-width: 88vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.8);
}

.lb-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 1000;
}

.lb-btn:hover { background: rgba(200,169,110,0.25); }

#lb-prev { left: 1.5rem; }
#lb-next { right: 1.5rem; }

#lb-close {
  position: fixed;
  top: 1.2rem;
  right: 1.5rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 1000;
}

#lb-close:hover { background: rgba(200,169,110,0.25); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav { padding: 0 1.2rem; }
  .section-header, .grid-container { padding-left: 1.2rem; padding-right: 1.2rem; }
  #grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; }
  #lb-prev { left: 0.5rem; }
  #lb-next { right: 0.5rem; }
}