:root {
  --ink: #12141c;
  --ink-raised: #1b1e29;
  --ink-raised-2: #232734;
  --thread: #c9a24b;
  --thread-dim: #8a742f;
  --kurd: #a6462e;
  --kurd-tint: #2a1c17;
  --rus: #3e6e63;
  --rus-tint: #16211f;
  --text: #ede7da;
  --text-dim: #9a9483;
  --text-faint: #5f5a4e;

  --serif: "Fraunces", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, sans-serif;
  --arabic: "Noto Sans Arabic", "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

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

.hero {
  position: relative;
  padding: 5rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero-inner { max-width: 640px; z-index: 1; }

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--thread);
  margin: 0 0 1.25rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.05;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 46ch;
  margin: 0 auto;
}

.tree-wrap {
  width: 100%;
  max-width: 760px;
  margin-top: 2rem;
}

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

.tree-line {
  fill: none;
  stroke-width: 1.5;
}
.trunk { stroke: var(--text-faint); }
.branch-kurd { stroke: var(--kurd); }
.branch-rus { stroke: var(--rus); }
.thread { stroke: var(--thread); stroke-width: 1; opacity: 0.55; }

.tree-node { fill: var(--ink); stroke: var(--thread); stroke-width: 1.5; }

.tree-label {
  font-family: var(--sans);
  font-size: 11px;
  fill: var(--text-faint);
}
.trunk-label { fill: var(--text-faint); }
.label-kurd { fill: var(--kurd); }
.label-rus { fill: var(--rus); }
.tree-label.strong { font-size: 15px; font-family: var(--serif); font-weight: 600; }

/* ---------- Intro ---------- */

.intro {
  max-width: 62ch;
  margin: 3rem auto 4rem;
  padding: 0 1.5rem;
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* ---------- Words section ---------- */

.words {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.words-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--ink-raised-2);
  padding-bottom: 1.25rem;
}

.words-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.7rem;
  margin: 0;
}

.search {
  background: var(--ink-raised);
  border: 1px solid var(--ink-raised-2);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.65rem 1rem;
  border-radius: 6px;
  min-width: 240px;
  outline: none;
}
.search::placeholder { color: var(--text-faint); }
.search:focus { border-color: var(--thread); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.75rem 1.5rem;
}

.empty-state { color: var(--text-faint); text-align: center; padding: 2rem 0; }

/* ---------- Card: the seam ---------- */

.card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 10px;
  overflow: hidden;
  min-height: 168px;
  isolation: isolate;
}

.card-half {
  padding: 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card-kurd { background: var(--kurd-tint); align-items: flex-end; text-align: right; }
.card-rus  { background: var(--rus-tint); align-items: flex-start; text-align: left; }

.side-label {
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.card-kurd .side-label { color: var(--kurd); }
.card-rus .side-label { color: var(--rus); }

.script-line {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--text);
}

.script-native {
  font-size: 1.35rem;
  font-family: var(--arabic);
  direction: rtl;
}

.card-rus .script-native {
  font-family: var(--sans);
  direction: ltr;
  font-size: 1.25rem;
}

.translit {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* the stitched thread connecting the two halves */
.seam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--thread) 0 6px,
    transparent 6px 12px
  );
  transform: translateX(-0.5px);
  z-index: 1;
}

.root-pill {
  position: absolute;
  top: 0.85rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  border: 1px solid var(--thread-dim);
  color: var(--thread);
  font-family: var(--sans);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
  z-index: 2;
}

.gloss-row {
  grid-column: 1 / -1;
  text-align: center;
  padding: 0.9rem 1rem 0.5rem;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  background: var(--ink-raised);
  order: -1;
}

.card {
  grid-template-rows: auto 1fr;
}

.note {
  grid-column: 1 / -1;
  order: 3;
  font-size: 0.85rem;
  color: var(--text-faint);
  padding: 0 1.3rem 1.1rem;
  background: var(--ink-raised);
}

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

.about {
  max-width: 62ch;
  margin: 0 auto 4rem;
  padding: 2.5rem 1.5rem 0;
  border-top: 1px solid var(--ink-raised-2);
}

.about h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.4rem;
}

.about p { color: var(--text-dim); }
.about strong { color: var(--text); }

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--text-faint);
  font-size: 0.85rem;
}

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

@media (max-width: 560px) {
  .card { grid-template-columns: 1fr; }
  .card-kurd, .card-rus { align-items: flex-start; text-align: left; }
  .seam { display: none; }
  .root-pill { position: static; transform: none; margin: 0.6rem auto 0; display: table; }
}