/* ---------------------------------------------------------------------
   Art / Surface Design Portfolio — base styles
   Serif display type for headings, clean sans body, generous whitespace,
   image-first gallery grid. Edit the CSS variables below to re-theme.
--------------------------------------------------------------------- */

:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-ink: #22201d;
  --color-ink-soft: #57534d;
  --color-border: #e6e1d8;
  --color-accent: #a8763e;
  --color-accent-soft: #f1e6d6;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-width: 1180px;
  --radius: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

/* ---------------- Header / nav ---------------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  display: block;
}

/* ---------------- Hero ---------------- */

.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 0.3em;
}

.hero__tagline {
  color: var(--color-ink-soft);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
}

.page-header {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-header h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }

.page-header__desc {
  color: var(--color-ink-soft);
  max-width: 640px;
}

/* ---------------- Homepage category sections ---------------- */

.home-section {
  padding-top: 8px;
}

.home-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.home-section__head h2 {
  font-size: 1.5rem;
  margin: 0;
}
.home-section__head h2 a:hover { color: var(--color-accent); }

.view-all {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  white-space: nowrap;
}
.view-all:hover { color: var(--color-accent); }

/* ---------------- Gallery grid ---------------- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
  padding: 8px 0 72px;
}

.gallery-grid--compact { padding-top: 0; padding-bottom: 24px; }

.gallery-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(34, 32, 29, 0.08);
}

.gallery-card__image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-accent-soft);
}

.gallery-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-card__info {
  padding: 14px 16px 18px;
}

.gallery-card__info h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 3px 10px;
  border-radius: 999px;
}

.empty-state, .empty-state-page {
  color: var(--color-ink-soft);
  padding: 60px 0;
  text-align: center;
}

/* ---------------- Artwork detail ---------------- */

.artwork-detail { padding: 32px 0 72px; }

.artwork-detail__breadcrumb {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 28px;
}
.artwork-detail__breadcrumb a:hover { color: var(--color-accent); }

.artwork-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr);
  gap: 48px;
  align-items: start;
}

.artwork-detail__image {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.artwork-detail__meta h1 {
  font-size: 1.9rem;
  margin-bottom: 10px;
}

.meta-list {
  margin: 24px 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
}
.meta-list dt {
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}
.meta-list dd {
  margin: 0;
  font-size: 0.9rem;
}

.artwork-detail__description {
  color: var(--color-ink-soft);
  margin-bottom: 24px;
}

.btn {
  display: inline-block;
  background: var(--color-ink);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--color-accent); }

.related { padding: 24px 0 72px; border-top: 1px solid var(--color-border); }
.related h2 { font-size: 1.3rem; margin: 32px 0 20px; }

/* ---------------- Prose pages (about/contact) ---------------- */

.prose-page {
  max-width: 680px;
  padding: 8px 0 80px;
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  white-space: pre-line;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}
.contact-list li { margin-bottom: 10px; }
.contact-list a { color: var(--color-accent); font-weight: 500; }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
  margin-top: 40px;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.social-links { display: flex; gap: 18px; }
.social-links a:hover { color: var(--color-accent); }

/* ---------------- Responsive ---------------- */

@media (max-width: 860px) {
  .artwork-detail__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--color-border);
    gap: 4px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 10px 0; border-bottom: none; }
}