/* ==========================================================
   TASARIM TOKENLARI
   Renkler burada değil, header.php içinde :root olarak
   ayarlardan (admin panel) dinamik basılır. Buradakiler
   sadece fallback (yedek) değerlerdir.
   ========================================================== */
:root {
  --bg: #EDEAE3;
  --surface: #FFFFFF;
  --ink: #1A1816;
  --muted: #6B6660;
  --accent: #9C7A3C;
  --accent-dark: #6E5527;
  --line: rgba(26,24,22,0.12);
  --radius: 2px;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Sora", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}

@font-face-fallback { /* no-op marker */ }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .display {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0 0 .4em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--ink); }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 60ch; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  display: inline-block;
  margin-bottom: 0.9em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9em 1.6em;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.btn:hover { background: var(--ink); color: var(--surface); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line);
}
.site-header::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.3rem; }
.brand span { color: var(--accent-dark); }
.nav-links { display: flex; gap: 2rem; font-family: var(--mono); font-size: 0.82rem; letter-spacing: .04em; text-transform: uppercase; }
.nav-links a { position: relative; padding: .3em 0; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--accent);
  transition: right .25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-toggle { display: none; }

.lang-switch { display: flex; gap: .6rem; margin-left: .5rem; padding-left: 1.2rem; border-left: 1px solid var(--line); }
.lang-switch a { opacity: .55; }
.lang-switch a.active { opacity: 1; color: var(--accent-dark); }
.lang-switch a::after { content: none; }

@media (max-width: 780px) {
  .nav-links {
    position: fixed; inset: 76px 0 0 0; background: var(--bg);
    flex-direction: column; padding: 2rem 24px; gap: 1.4rem; font-size: 1rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: all .2s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .lang-switch { margin-left: 0; padding-left: 0; border-left: none; padding-top: 1rem; border-top: 1px solid var(--line); }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px;
  }
  .nav-toggle span { width: 22px; height: 1.5px; background: var(--ink); }
}

/* ---------------- Hero ---------------- */
.hero { padding: 5.5rem 0 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: end; }
.hero-frame {
  border: 10px solid var(--surface);
  box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 20px 40px -20px rgba(0,0,0,.35);
  aspect-ratio: 4/5; overflow: hidden; background: var(--surface);
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* ---------------- Wall-label gallery ---------------- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 2.6rem 1.8rem;
  margin-top: 2rem;
}
.artwork {
  display: block; background: var(--surface); border: 1px solid var(--line);
}
.artwork figure { margin: 0; aspect-ratio: 1/1.05; overflow: hidden; background: #f2f0ec; }
.artwork img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.artwork:hover img { transform: scale(1.035); }
.label { padding: .9rem 1rem 1.1rem; border-top: 1px solid var(--line); }
.label .cat { font-family: var(--mono); font-size: 0.68rem; letter-spacing: .1em; color: var(--accent-dark); }
.label h3 { font-size: 1.02rem; margin: .25em 0 .15em; }
.label .meta { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }

/* ---------------- Sections ---------------- */
section { padding: 4.5rem 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 1rem; flex-wrap: wrap; }
.divider { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------------- Exhibition list ---------------- */
.exhibit-row {
  display: grid; grid-template-columns: 140px 1fr auto; gap: 1.6rem; align-items: center;
  padding: 1.6rem 0; border-bottom: 1px solid var(--line);
}
.exhibit-row .when { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.exhibit-row h3 { margin: 0 0 .2em; }
.exhibit-row .where { color: var(--muted); font-size: .92rem; }
.tag-status { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: .08em; padding: .3em .7em; border: 1px solid var(--line); border-radius: 100px; white-space: nowrap; }
.tag-status.upcoming { color: var(--accent-dark); border-color: var(--accent); }
@media (max-width: 700px) { .exhibit-row { grid-template-columns: 1fr; } }

/* ---------------- Blog ---------------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2.4rem; margin-top: 2rem; }
.post-card figure { aspect-ratio: 16/10; overflow: hidden; margin: 0 0 1rem; background: #f2f0ec; }
.post-card img { width: 100%; height: 100%; object-fit: cover; }
.post-card .date { font-family: var(--mono); font-size: .72rem; color: var(--accent-dark); text-transform: uppercase; letter-spacing: .08em; }
.post-body { max-width: 68ch; margin: 0 auto; font-size: 1.06rem; }
.post-body h2 { margin-top: 1.4em; }
.post-body img { margin: 1.6em 0; }

/* ---------------- Footer ---------------- */
.site-footer { border-top: 1px solid var(--line); padding: 3rem 0; margin-top: 3rem; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; font-size: .9rem; color: var(--muted); }
.footer-grid a:hover { color: var(--accent-dark); }

/* ---------------- Forms ---------------- */
.form-field { margin-bottom: 1.2rem; }
.form-field label { display: block; font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .4em; color: var(--muted); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: .8em 1em; border: 1px solid var(--line); background: var(--surface);
  font-family: var(--sans); font-size: 1rem; border-radius: var(--radius); color: var(--ink);
}
.form-field textarea { resize: vertical; min-height: 140px; }

/* ---------------- Lightbox ---------------- */
.lightbox { position: fixed; inset: 0; background: rgba(10,9,8,.92); display: none; align-items: center; justify-content: center; z-index: 100; padding: 2rem; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; object-fit: contain; }
.lightbox .close { position: absolute; top: 1.6rem; right: 1.6rem; color: #fff; font-family: var(--mono); background: none; border: 1px solid rgba(255,255,255,.4); padding: .5em 1em; cursor: pointer; }
.lightbox figcaption { color: #ddd; font-family: var(--mono); font-size: .8rem; margin-top: 1rem; text-align: center; }

/* ---------------- Empty state ---------------- */
.empty { padding: 3rem 0; color: var(--muted); font-family: var(--mono); font-size: .9rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}