/* ============================================================
   DelhiCulture — design tokens
   Palette:  bg #FFFFFF · ink #111111 · muted #6B6B6B
             hairline #E2E0DA · accent #C1401F (used only for
             eyebrows + category tags — architectural redline)
   Type:     Inter (display/body) · IBM Plex Mono (metadata,
             the "index card" register — dates, times, category
             codes read like catalog annotations)
   Layout:   dense multi-column index, sharp corners, no shadow,
             no animation.
   ============================================================ */

:root {
  --bg: #ffffff;
  --ink: #111111;
  --muted: #6b6b6b;
  --hairline: #e2e0da;
  --accent: #c1401f;
  --card-bg: #fefefd;

  /* Category palette — muted, one hue family per discipline, used only
     as a left-edge stripe + the category label text. Kept desaturated
     so the grid still reads as quiet/editorial rather than a color chart. */
  --cat-heritage: #a13a2e;
  --cat-archaeology: #a15c2e;
  --cat-architecture: #35577d;
  --cat-urbanism: #3d6e78;
  --cat-landscape: #4c7a52;
  --cat-museum: #9c7d2e;
  --cat-photography: #6b5a8a;
  --cat-classical: #a1447a;
  --cat-jazz: #b8752b;
  --cat-dance: #b04a72;
  --cat-theatre: #6a4d8f;
  --cat-film: #4a4a4a;
  --cat-book: #7a5230;
  --cat-children: #c0703f;
  --cat-festival: #957a2e;
  --cat-default: #6b6b6b;

  --font-display: "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;

  --gutter: 20px;
  --max-width: 1400px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- masthead ---------- */

.masthead {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px var(--gutter) 14px;
  border-bottom: 1px solid var(--hairline);
}

.masthead__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.wordmark {
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

.wordmark__delhi {
  font-weight: 400;
}

.wordmark__culture {
  font-weight: 700;
}

.masthead__date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.masthead__strap {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- jump nav ---------- */

.jumpnav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.jumpnav a {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.jumpnav a:hover,
.jumpnav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- sections ---------- */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px var(--gutter) 8px;
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
}

.eyebrow-index {
  color: var(--muted);
  margin-right: 6px;
}

.loading,
.empty-state {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  padding: 24px 0 40px;
}

/* ---------- card grid ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.card {
  background: var(--card-bg);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  min-height: 168px;
  border-left: 3px solid var(--cat-color, var(--cat-default));
}

.card:hover .card__title,
.card:focus-visible .card__title {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.card__meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.card__category {
  color: var(--cat-color, var(--cat-default));
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #f2f1ee;
  display: block;
}

.card__title {
  font-weight: 600;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.card__venue {
  font-size: 13px;
  color: var(--muted);
}

.card__time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.card__desc {
  font-size: 13px;
  color: #3a3a3a;
  line-height: 1.4;
  margin-top: auto;
  padding-top: 4px;
}

/* ---------- footer ---------- */

.footer {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 18px var(--gutter) 60px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 12px;
}

.footer p {
  margin: 0 0 6px;
}

.footer__network {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}

/* ---------- accessibility / motion ---------- */

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

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .masthead__row { align-items: flex-start; flex-direction: column; gap: 2px; }
  .card-grid { grid-template-columns: 1fr; }
  .section { padding-top: 28px; }
}