/* ============================================================
   Obelisks of the World — design tokens
   Palette drawn from the material world of the subject:
   limestone/sandstone, polished granite, the historical pigment
   "Egyptian blue," oxidized bronze (verdigris), and burnt ochre.
   ============================================================ */

:root {
  /* -- color -- */
  --limestone: #EDE6D3;
  --limestone-deep: #E1D6BC;
  --limestone-line: #D3C6A6;
  --ink: #211E1B;
  --ink-soft: #4A443B;
  --paper: #F7F3E9;

  --egyptian-blue: #1B4B91;
  --egyptian-blue-deep: #123568;
  --ochre: #B5652A;
  --ochre-deep: #8F4E1F;
  --verdigris: #5C7A5E;
  --verdigris-deep: #45604A;
  --rose-fragment: #8B5A6B;

  /* category legend colors (used consistently site-wide) */
  --cat-insitu: var(--ochre);
  --cat-relocated: #56504A;
  --cat-roman: var(--verdigris);
  --cat-fragment: var(--rose-fragment);
  --cat-modern: var(--egyptian-blue);

  /* -- type -- */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  /* -- layout -- */
  --maxw: 1180px;
  --pad: clamp(20px, 4vw, 56px);
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--limestone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--egyptian-blue);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  margin: 0 0 0.4em;
  letter-spacing: -0.01em;
}

h1 { font-weight: 680; }

p { margin: 0 0 1em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.mono { font-family: var(--font-mono); }

/* ============================================================
   Nav
   ============================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(237, 230, 211, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--limestone-line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
}

.brand .mark {
  width: 20px; height: 26px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0; padding: 0;
  font-size: 0.94rem;
}

.nav-links a {
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
  transition: border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  border-color: var(--ochre);
}

.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ============================================================
   Buttons / pills
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover { background: var(--ink); color: var(--limestone); }

.btn-solid {
  background: var(--ink);
  color: var(--limestone);
}
.btn-solid:hover { background: var(--egyptian-blue-deep); border-color: var(--egyptian-blue-deep); color: #fff; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* category color utility classes */
.cat-insitu    { color: var(--cat-insitu); }
.cat-relocated { color: var(--cat-relocated); }
.cat-roman     { color: var(--cat-roman); }
.cat-fragment  { color: var(--cat-fragment); }
.cat-modern    { color: var(--cat-modern); }

/* ============================================================
   Hero + skyline comparator
   ============================================================ */

.hero {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: 0;
}

.hero-head { max-width: 720px; margin-bottom: 28px; }

.hero-head h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.hero-head .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 56ch;
}

.skyline-panel {
  position: relative;
  background: linear-gradient(180deg, #F7F1E1 0%, var(--limestone) 62%, var(--limestone-deep) 100%);
  border-top: 1px solid var(--limestone-line);
  border-bottom: 1px solid var(--limestone-line);
  overflow: hidden;
}

.skyline-panel .wrap { padding-top: 0; padding-bottom: 0; }

#skyline-svg { width: 100%; height: auto; display: block; }

.skyline-caption {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  padding: 16px var(--pad) 22px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.skyline-caption .legend-item { display: inline-flex; align-items: center; gap: 6px; }

.obelisk-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: var(--limestone);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 12px;
  border-radius: var(--radius);
  transform: translate(-50%, -110%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.12s ease;
  z-index: 10;
}
.obelisk-tooltip.visible { opacity: 1; }
.obelisk-tooltip .t-height { color: #E8B84B; }

/* ============================================================
   Section scaffolding
   ============================================================ */

section { padding: clamp(48px, 7vw, 96px) 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0; }
.section-head .lede { color: var(--ink-soft); max-width: 48ch; margin: 0; }

.dark { background: var(--ink); color: var(--limestone); }
.dark .eyebrow { color: #C9BFA8; }
.dark a.btn { border-color: var(--limestone); color: var(--limestone); }
.dark a.btn:hover { background: var(--limestone); color: var(--ink); }

/* ============================================================
   Region / feature cards
   ============================================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--limestone-line);
  border: 1px solid var(--limestone-line);
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

.region-card {
  background: var(--paper);
  padding: 28px 26px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 190px;
  transition: background 0.15s ease;
}
.region-card:hover { background: var(--limestone-deep); }

.region-card .count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.region-card h3 { font-size: 1.35rem; margin: 0; }

.region-card .desc { font-size: 0.92rem; color: var(--ink-soft); margin: 0; }

/* ============================================================
   Featured obelisk story block
   ============================================================ */

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .feature-split { grid-template-columns: 1fr; }
}

.feature-visual {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, var(--ochre) 0%, var(--ochre-deep) 100%);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.feature-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.feature-visual .cap {
  position: relative;
  z-index: 2;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.feature-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 24px 0;
  padding-top: 20px;
  border-top: 1px solid var(--limestone-line);
}
.feature-stats .stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 650;
  display: block;
}
.feature-stats .stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ============================================================
   Directory page
   ============================================================ */

.directory-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) {
  .directory-layout { grid-template-columns: 1fr; }
}

.filter-panel {
  position: sticky;
  top: 88px;
  border: 1px solid var(--limestone-line);
  background: var(--paper);
  padding: 22px;
  border-radius: var(--radius);
}
.filter-group { margin-bottom: 22px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  color: var(--ink-soft);
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  padding: 6px 0;
  cursor: pointer;
}
.filter-option input { accent-color: var(--egyptian-blue); }

#map {
  height: 340px;
  border-radius: var(--radius);
  border: 1px solid var(--limestone-line);
  margin-bottom: 8px;
}

.map-caption {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.map-visit-btn {
  display: inline-block;
  margin: 6px 0 4px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.map-visit-btn:hover { background: var(--ink); color: var(--limestone); }

.result-count {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.obelisk-list {
  display: grid;
  gap: 1px;
  background: var(--limestone-line);
  border: 1px solid var(--limestone-line);
}

.obelisk-row {
  background: var(--paper);
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 14px 1.6fr 1fr 1fr 0.9fr;
  gap: 18px;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease;
}
.obelisk-row:hover { background: var(--limestone-deep); }
.obelisk-row .r-name { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; }
.obelisk-row .r-loc { font-size: 0.88rem; color: var(--ink-soft); }
.obelisk-row .r-height { font-family: var(--font-mono); font-size: 0.88rem; }
.obelisk-row .r-visited { font-family: var(--font-mono); font-size: 0.75rem; text-align: right; }

@media (max-width: 700px) {
  .obelisk-row { grid-template-columns: 10px 1fr; }
  .obelisk-row .r-loc, .obelisk-row .r-height, .obelisk-row .r-visited { grid-column: 2; }
}

.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ============================================================
   Obelisk detail page
   ============================================================ */

.detail-hero {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--limestone-line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-bottom: 22px;
}
.breadcrumb a { text-decoration: none; border-bottom: 1px solid currentColor; }

.detail-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}
.detail-title-row h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); max-width: 16ch; }

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--limestone-line);
}
@media (max-width: 760px) { .fact-grid { grid-template-columns: repeat(2, 1fr); } }

.fact-grid dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.fact-grid dd { margin: 0; font-size: 1.02rem; }

.detail-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 56px;
  padding-top: 48px;
  padding-bottom: 48px;
}
@media (max-width: 860px) { .detail-body { grid-template-columns: 1fr; } }

.detail-body h2 { font-size: 1.5rem; margin-top: 2em; }
.detail-body h2:first-child { margin-top: 0; }

.scale-figure {
  border: 1px solid var(--limestone-line);
  background: var(--paper);
  padding: 20px;
  border-radius: var(--radius);
}
.scale-figure svg { width: 100%; height: auto; }
.scale-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin-top: 10px;
}

.sidebar-block {
  border: 1px solid var(--limestone-line);
  background: var(--paper);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.sidebar-block h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}
.source-list { list-style: none; margin: 0; padding: 0; font-size: 0.88rem; }
.source-list li { padding: 6px 0; border-top: 1px solid var(--limestone-line); }
.source-list li:first-child { border-top: none; }

/* ============================================================
   Contact form
   ============================================================ */

.contact-form { max-width: 480px; }
.form-row { margin-bottom: 20px; display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--limestone-line);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--egyptian-blue);
  outline-offset: 1px;
}
.form-row textarea { resize: vertical; }
.contact-form button { margin-top: 4px; }

/* ============================================================
   Footer
   ============================================================ */

footer {
  border-top: 1px solid var(--limestone-line);
  padding: 40px 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer nav { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover { text-decoration: underline; }