/* ============================================================
   Twilight Art — style.css
   Palette family: wine (#4a1520 / #c9a553)
   Type: DM Serif Display (heading) + Source Sans 3 (body)
   Archetype: Magazine-Column (sidebar + main)
   ============================================================ */

/* ── Custom Properties ── */
:root {
  --color-primary:    #4a1520;
  --color-accent:     #c9a553;
  --color-bg:         #faf8f4;
  --color-sidebar-bg: #f2ede7;
  --color-text:       #1a1a1a;
  --color-muted:      #5c5c5c;
  --color-border:     #e4ddd5;
  --color-link:       #6b1f30;
  --color-link-hover: #c9a553;

  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body:    'Source Sans 3', system-ui, sans-serif;

  --radius: 4px;
  --sidebar-w: 220px;
  --container: 1160px;
  --gap: 2.5rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { max-width: 100%; height: auto; display: block; }

/* ── Base ── */
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-link-hover); }

/* ── Header ── */
.site-header {
  background: var(--color-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}
.logo-icon { flex-shrink: 0; }
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: #fff;
}

/* Mobile nav toggle (CSS-only — label controls checkbox) */
.nav-toggle-check { display: none; }
.nav-toggle-label {
  display: none;
  cursor: pointer;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
}

/* ── Page layout ── */
.page-wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: var(--gap);
  align-items: start;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--color-sidebar-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
}
.sidebar-section { margin-bottom: 1.5rem; }
.sidebar-section:last-child { margin-bottom: 0; }
.sidebar-heading {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

/* Sidebar nav */
.site-nav ul { list-style: none; }
.site-nav li { border-bottom: 1px solid var(--color-border); }
.site-nav li:last-child { border-bottom: none; }
.site-nav a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.25rem;
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--color-primary); font-weight: 600; }
.site-nav a[aria-current="page"]::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-accent);
  border-radius: 2px;
}

/* TOC */
.toc { position: sticky; top: 4.5rem; }
.toc ul { list-style: none; }
.toc li { border-left: 2px solid var(--color-border); margin-left: 0.25rem; }
.toc a {
  display: block;
  padding: 0.3rem 0.6rem;
  font-size: 0.88rem;
  color: var(--color-muted);
  text-decoration: none;
}
.toc a:hover { color: var(--color-primary); border-left-color: var(--color-accent); }

/* ── Main content ── */
.main-content { min-width: 0; }

/* Article */
article { max-width: 740px; }

.article-meta {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.article-meta::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 2.25rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--color-accent);
}
h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text);
  margin: 1.5rem 0 0.5rem;
}

p { margin-bottom: 1.1rem; }
ul, ol { margin: 0 0 1.1rem 1.5rem; }
li { margin-bottom: 0.35rem; }

strong { font-weight: 600; }

/* ── FAQ ── */
.faq { margin-top: 2.5rem; }
.faq h2 { border-bottom-color: var(--color-primary); }
.faq-item { margin-bottom: 1.4rem; }
.faq-item strong {
  display: block;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

/* ── Homepage cards ── */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.topic-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1rem;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.topic-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(74,21,32,.08);
  color: var(--color-text);
}
.topic-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.topic-card-desc { font-size: 0.9rem; color: var(--color-muted); }

/* ── Events Carousel ── */
.events-section { margin: 2.5rem 0; }
.events-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.events-carousel {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.25rem 0 0.85rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  flex: 1;
  min-width: 0;
}
.events-carousel::-webkit-scrollbar { height: 4px; }
.events-carousel::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.event-card {
  flex: 0 0 258px;
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.event-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.18rem 0.45rem;
  border-radius: 2px;
  margin-bottom: 0.2rem;
  align-self: flex-start;
}
.event-tag-walk { background: var(--color-primary); color: #fff; }
.event-tag-fair { background: var(--color-accent); color: var(--color-primary); }
.event-tag-exhibition { background: var(--color-sidebar-bg); color: var(--color-muted); border: 1px solid var(--color-border); }

.event-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
  line-height: 1.3;
  margin: 0;
}
.event-date {
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.event-desc {
  font-size: 0.86rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin: 0;
}
.carousel-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  padding: 0;
}
.carousel-btn:hover { background: var(--color-sidebar-bg); border-color: var(--color-accent); }
.events-note {
  font-size: 0.83rem;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 0.5rem;
  padding-left: 0.25rem;
  border-left: 2px solid var(--color-accent);
  padding-left: 0.6rem;
}

/* ── Article image ── */
.article-img {
  margin: 0.25rem 0 1.75rem;
  border-radius: var(--radius);
  overflow: hidden;
}
.article-img img { width: 100%; height: auto; display: block; }
.article-img figcaption {
  font-size: 0.8rem;
  color: var(--color-muted);
  font-style: italic;
  padding: 0.4rem 0.25rem 0;
}

/* ── Image placeholders ── */
.img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 7;
  background: var(--color-sidebar-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin: 0.25rem 0 1.75rem;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-style: italic;
}
.img-placeholder svg { opacity: 0.35; }

.card-img-placeholder {
  margin: -1.2rem -1rem 0.9rem;
  aspect-ratio: 16 / 9;
  background: var(--color-sidebar-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
}
.card-img-placeholder svg { opacity: 0.3; }

.card-img {
  display: block;
  margin: -1.2rem -1rem 0.9rem;
  width: calc(100% + 2rem);
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.75);
  padding: 1.5rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.875rem;
}
.footer-inner a { color: var(--color-accent); text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }
.footer-nav { display: flex; gap: 1.25rem; }

/* ── Breadcrumb ── */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb span { color: var(--color-text); }

/* ── Responsive ── */
@media (max-width: 780px) {
  .page-wrap {
    grid-template-columns: 1fr;
    padding: 1.25rem 1rem;
  }
  .sidebar { order: 2; }
  .main-content { order: 1; }
  .toc { position: static; }
  .nav-toggle-label { display: block; }
  .nav-toggle-check:not(:checked) ~ .header-nav { display: none; }

  .topic-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .topic-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}