/* ============================================================
   HistoryScapes — shared design system
   Palette: Aegean night, terracotta pottery, Mycenaean gold
   ============================================================ */

:root {
  --ink: #0c1423;          /* aegean night */
  --ink-2: #12203a;        /* deep sea */
  --ink-3: #1a2c4d;        /* card sea */
  --parchment: #f3ead7;
  --parchment-dim: #d9cfb6;
  --terracotta: #c95d33;
  --terracotta-bright: #e8794a;
  --gold: #d9a441;
  --gold-bright: #f0c26a;
  --bronze: #8c6a3f;
  --olive: #7a8450;
  --line: rgba(217, 164, 65, 0.22);
  --font-display: "Cinzel", "Iowan Old Style", Georgia, serif;
  --font-body: "Crimson Pro", "Iowan Old Style", Georgia, serif;
  --maxw: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 1.15rem;
  line-height: 1.65;
  overflow-x: hidden;
}

::selection { background: var(--terracotta); color: var(--parchment); }

/* ---- background canvas (stars + sea) ---- */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

/* ---- greek key (meander) divider ---- */
.meander {
  height: 14px;
  margin: 0 auto;
  max-width: var(--maxw);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='14' viewBox='0 0 28 14'%3E%3Cpath d='M0 13 L0 1 L12 1 L12 8 L7 8 L7 5 L9 5' fill='none' stroke='%23d9a441' stroke-opacity='0.45' stroke-width='1.6'/%3E%3Cpath d='M14 13 L14 1 L26 1 L26 8 L21 8 L21 5 L23 5' fill='none' stroke='%23d9a441' stroke-opacity='0.45' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  opacity: 0.9;
}

/* ---- header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(12, 20, 35, 0.82);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.7rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-decoration: none;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.brand svg { flex: none; }

.nav-links {
  display: flex;
  gap: 1.1rem;
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--parchment-dim);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

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

/* ---- persona switcher ---- */
.persona-switch {
  display: flex;
  gap: 0.3rem;
  background: rgba(217, 164, 65, 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem;
}

.persona-switch button {
  font-family: var(--font-body);
  font-size: 0.92rem;
  padding: 0.3rem 0.85rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--parchment-dim);
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
}

.persona-switch button:hover { color: var(--parchment); }

.persona-switch button.active {
  background: var(--terracotta);
  color: var(--parchment);
  box-shadow: 0 2px 10px rgba(201, 93, 51, 0.45);
}

/* ---- hero ---- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5.5rem 1.2rem 3.5rem;
  text-align: center;
}

.hero .kicker {
  font-family: var(--font-display);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--terracotta-bright);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--parchment);
  text-wrap: balance;
}

.hero h1 .gold { color: var(--gold-bright); }

.hero .sub {
  max-width: 620px;
  margin: 1.4rem auto 0;
  font-size: 1.25rem;
  color: var(--parchment-dim);
}

/* ---- generic section ---- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3.5rem 1.2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  color: var(--gold-bright);
  text-align: center;
  margin-bottom: 0.6rem;
}

.section-sub {
  text-align: center;
  color: var(--parchment-dim);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

/* ---- cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.4rem;
}

.saga-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: var(--parchment);
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem 1.6rem;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  overflow: hidden;
}

.saga-card:hover {
  transform: translateY(-5px);
  border-color: rgba(217, 164, 65, 0.55);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
}

.saga-card .art { margin-bottom: 1.1rem; }

.saga-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.saga-card p { color: var(--parchment-dim); font-size: 1.05rem; }

.saga-card .tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--gold);
}

.saga-card.live .tag { background: rgba(122, 132, 80, 0.25); border-color: var(--olive); color: #c9d19a; }
.saga-card.soon { opacity: 0.68; }
.saga-card.soon:hover { transform: none; box-shadow: none; }

/* ---- fact cards (persona-aware) ---- */
.fact-card {
  margin-top: 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(217, 164, 65, 0.06);
  padding: 1rem 1.2rem;
}

.fact-card .fact-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta-bright);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.fact-card .fact-text { color: var(--parchment); font-size: 1.08rem; }

/* ---- chapter (troy timeline) ---- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--line), var(--gold), var(--line));
  opacity: 0.6;
}

.chapter {
  position: relative;
  padding: 0 0 3.2rem 96px;
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.chapter.visible { opacity: 1; transform: none; }

.chapter .medallion {
  position: absolute;
  left: 0;
  top: 0;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--ink-3), var(--ink-2));
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px rgba(217, 164, 65, 0.25);
}

.chapter .chapter-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--terracotta-bright);
}

.chapter h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--parchment);
  margin: 0.2rem 0 0.7rem;
}

.chapter .story { color: var(--parchment-dim); }

/* ---- panels / two-col ---- */
.panel {
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
}

/* ---- svg diagram wrapper ---- */
.diagram-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--ink-2);
  padding: 1rem;
}

.diagram-wrap svg { display: block; margin: 0 auto; min-width: 720px; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--parchment-dim);
}

.legend span { display: inline-flex; align-items: center; gap: 0.4rem; }

.legend i {
  display: inline-block;
  width: 22px;
  height: 3px;
  border-radius: 2px;
}

/* ---- pottery scene panels ---- */
.scene-wrap {
  border-radius: 12px;
  overflow: hidden;
  margin: 0.9rem 0 1.1rem;
  border: 1px solid rgba(217, 164, 65, 0.35);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
  line-height: 0;
}

.scene-wrap svg { width: 100%; height: auto; display: block; }

/* chapters: scenes slide in from alternating sides as you scroll */
.chapter .scene-wrap {
  opacity: 0;
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.25, 1), opacity 0.9s ease;
}

.chapter:nth-of-type(odd) .scene-wrap { transform: translateX(-48px) rotate(-0.6deg); }
.chapter:nth-of-type(even) .scene-wrap { transform: translateX(48px) rotate(0.6deg); }

.chapter.visible .scene-wrap { transform: none; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .chapter .scene-wrap { transform: none; opacity: 1; transition: none; }
}

.frieze-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.2rem;
  border-radius: 10px;
  overflow: hidden;
  line-height: 0;
}

.frieze-wrap svg { width: 100%; height: auto; display: block; border-radius: 10px; }

.saga-card .art.scene-art {
  border-radius: 10px;
  overflow: hidden;
  line-height: 0;
  border: 1px solid rgba(217, 164, 65, 0.3);
}

.saga-card .art.scene-art svg { width: 100%; height: auto; display: block; }

/* ---- odyssey map ---- */
.map-wrap {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #0f1b30;
  overflow: hidden;
}

.map-wrap svg { display: block; width: 100%; height: auto; }

.stop-node { cursor: pointer; }
.stop-node circle.halo { transition: opacity 0.25s; }
.stop-node:hover circle.halo { opacity: 0.9; }
.stop-node.active circle.halo {
  opacity: 0.9;
  animation: halo-pulse 1.8s ease-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}
@keyframes halo-pulse {
  0% { transform: scale(0.65); opacity: 0.95; }
  100% { transform: scale(1.6); opacity: 0; }
}
.stop-node text { pointer-events: none; }

.stop-detail {
  margin-top: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  padding: 1.8rem;
  min-height: 200px;
}

.stop-detail .stop-kicker {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta-bright);
}

.stop-detail h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--gold-bright);
  margin: 0.3rem 0 0.8rem;
}

.stop-detail .story { color: var(--parchment-dim); }

.stop-nav {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold-bright);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.25s;
}

.btn:hover { background: rgba(217, 164, 65, 0.14); }

.btn.primary {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: var(--parchment);
}

.btn.primary:hover { background: var(--terracotta-bright); }

/* ---- myth vs dig ---- */
.mvd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
}

.mvd-card { border-radius: 14px; padding: 1.6rem; border: 1px solid var(--line); }
.mvd-card.myth { background: linear-gradient(160deg, rgba(201, 93, 51, 0.14), var(--ink-2)); }
.mvd-card.dig { background: linear-gradient(160deg, rgba(122, 132, 80, 0.16), var(--ink-2)); }

.mvd-card h4 {
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.mvd-card p { color: var(--parchment-dim); font-size: 1.02rem; }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 2.5rem 1.2rem 3rem;
  text-align: center;
  color: var(--parchment-dim);
  font-size: 1rem;
}

.site-footer a { color: var(--gold); }

/* ---- responsive ---- */
@media (max-width: 640px) {
  .nav-links { gap: 0.8rem; font-size: 0.9rem; }
  .persona-switch button { font-size: 0.82rem; padding: 0.28rem 0.6rem; }
  .chapter { padding-left: 78px; }
  .chapter .medallion { width: 58px; height: 58px; }
  .timeline::before { left: 28px; }
  .hero { padding-top: 3.5rem; }
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s, transform 0.7s; }
.reveal.visible { opacity: 1; transform: none; }