/* Odedara Labs — two-axis home. Vertical = topic, horizontal = depth. */

.matrix {
  height: 100vh; height: 100dvh;
  overflow-y: auto; overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.matrix::-webkit-scrollbar { display: none; }

.row {
  height: 100vh; height: 100dvh;
  scroll-snap-align: start;
  position: relative;
  border-top: 1px solid var(--line);
}
.row:first-child { border-top: 0; }

.track {
  height: 100%;
  display: flex;
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.track::-webkit-scrollbar { display: none; }

.panel {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
  height: 100%;
  position: relative;
}
.panel .copy {
  align-self: center;
  padding: 120px var(--pad) 116px;
  position: relative;
  z-index: 2;
}
.panel .visual {
  position: relative;
  display: grid;
  place-items: center;
  padding: 112px 44px 104px;
  background: var(--visual-bg);
  border-left: 1px solid var(--line);
}
.panel .visual svg { width: 100%; max-width: 540px; height: min(50vh, 440px); }
.panel.wide { grid-template-columns: minmax(0, 1fr); }
.panel.wide .copy { max-width: 1120px; margin: 0 auto; width: 100%; }

.idx {
  position: absolute; top: 92px; right: 30px; z-index: 1;
  font-family: "Outfit", sans-serif; font-weight: 600;
  font-size: clamp(88px, 11vw, 152px); line-height: 1;
  letter-spacing: -0.05em; color: var(--ink); opacity: .055; pointer-events: none;
}
.panel .eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--orange-d); margin-bottom: 14px; display: block;
}
.panel h2 { font-size: clamp(29px, 3.9vw, 44px); margin-bottom: 18px; }
.panel h3 { font-size: clamp(19px, 2vw, 22px); margin-bottom: 10px; }
.panel p + p { margin-top: 14px; }
.panel .big { font-size: clamp(17px, 1.45vw, 20px); color: var(--ink); }

.meta { margin: 28px 0 0; max-width: 460px; }
.meta div { display: flex; gap: 18px; padding: 9px 0; border-top: 1px solid var(--line); }
.meta dt {
  flex: 0 0 96px; margin: 0; padding-top: 3px;
  font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.meta dd { margin: 0; font-size: 14.5px; color: var(--ink); }

.cap-chip {
  position: absolute; left: 44px; bottom: 62px;
  font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--muted);
}

.row {
  background-color: var(--ground);
  background-image: radial-gradient(circle at 1px 1px, var(--dot) 1px, transparent 0);
  background-size: 26px 26px;
}
.row::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(58% 46% at 76% 38%, var(--wash), transparent 68%);
}
.row.tinted { background-color: var(--cream); }
.row.dark {
  background-color: var(--deep);
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0);
}
.row.dark::after { background: radial-gradient(58% 46% at 76% 38%, rgba(232,98,14,.16), transparent 68%); }
.row.dark .visual { background: rgba(255,255,255,.028); border-left-color: var(--deep-line); color: #B9AEA4; }
.row.dark .idx { color: #FFF; opacity: .07; }
.row.dark .meta div { border-top-color: var(--deep-line); }
.row.dark .meta dd { color: #EDE7E1; }
.row.dark h1, .row.dark h2, .row.dark h3 { color: #FFF; }
.row.dark p { color: #C9BFB4; }
.row.dark .eyebrow { color: var(--orange); }
.row.dark .btn.ghost { color: #FFF; border-color: #4A423A; }
.row.dark .btn.ghost:hover { background: #241E18; border-color: #FFF; color: #FFF; }

/* ---------- hero + slideshow ---------- */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero-copy h1 { font-size: clamp(34px, 4.6vw, 60px); margin-bottom: 20px; }
.hero-copy p { font-size: clamp(17px, 1.5vw, 20px); max-width: 46ch; }
.hero-copy .btn-row { margin-top: 30px; }

.show { position: relative; }
.show-stage {
  position: relative; aspect-ratio: 4 / 3; border: 1px solid var(--line);
  border-radius: 6px; background: var(--panel); overflow: hidden;
}
.slide {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 26px;
  opacity: 0; transition: opacity .7s ease; pointer-events: none;
}
.slide[data-active="true"] { opacity: 1; pointer-events: auto; }
.slide svg { width: 100%; height: 100%; }
.show-cap { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 16px; flex-wrap: wrap; }
.show-cap .txt { font-size: 15px; color: var(--muted); }
.show-cap .txt b { color: var(--ink); font-weight: 600; }
.show-dots { display: flex; gap: 8px; }
.show-dots button {
  width: 26px; height: 4px; border: 0; padding: 0; border-radius: 2px;
  background: var(--line-2); cursor: pointer;
}
.show-dots button[aria-selected="true"] { background: var(--orange); }

/* ---------- graphics ---------- */
.figure { border: 1px solid var(--line); border-radius: 6px; background: var(--panel); padding: 22px; }

.figure.step-1 { --n1: #E8620E; }
.figure.step-2 { --n2: #E8620E; }
.figure.step-3 { --n3: #E8620E; }
.figure svg { width: 100%; height: auto; display: block; }

/* ---------- horizontal affordances ---------- */
.row-nav {
  position: absolute; left: var(--pad); right: var(--pad); bottom: 26px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  pointer-events: none;
}
.row-nav > * { pointer-events: auto; }
.dots { display: flex; gap: 7px; align-items: center; }
.dots button {
  width: 9px; height: 9px; padding: 0; border-radius: 50%;
  border: 1px solid var(--line-2); background: transparent; cursor: pointer;
}
.dots button[aria-current="true"] { background: var(--orange); border-color: var(--orange); }
.row.dark .dots button { border-color: #5A5048; }
.arrows { display: flex; gap: 8px; }
.arrows button {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--line-2); border-radius: 50%; background: var(--control-bg);
  cursor: pointer; color: var(--ink);
}
.arrows button:hover:not(:disabled) { border-color: var(--ink); background: var(--panel); }
.arrows button:disabled { opacity: .3; cursor: default; }
.row.dark .arrows button { background: rgba(255,255,255,.06); border-color: #4A423A; color: #FFF; }
.depth-hint {
  font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- vertical rail ---------- */
.rail {
  position: fixed; right: 18px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 14px; z-index: 40;
}
.rail button {
  width: 10px; height: 10px; padding: 0; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line-2); background: var(--panel);
}
.rail button[aria-current="true"] { background: var(--orange); border-color: var(--orange); transform: scale(1.25); }

/* ---------- fixed header over the matrix ---------- */
.site-head.floating {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: color-mix(in srgb, var(--ground) 88%, transparent); backdrop-filter: blur(10px);
  padding-inline: var(--pad); border-bottom: 1px solid var(--line);
}
body.matrix-page { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .matrix, .track { scroll-behavior: auto; }
  .slide { transition: none; }
}
@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); }
  .panel { grid-template-columns: minmax(0, 1fr); overflow-y: auto; align-content: start; }
  .panel .copy { padding: 92px var(--pad) 24px; }
  .panel .visual { border-left: 0; border-top: 1px solid var(--line); padding: 26px var(--pad) 104px; }
  .panel .visual svg { height: 250px; }
  .idx { top: 74px; right: 16px; font-size: 74px; }
  .cap-chip { left: var(--pad); bottom: 62px; }
  .rail { display: none; }
  .arrows button { width: 40px; height: 40px; }
}

/* ---------- detail boards ---------- */
.board { display: flex; flex-direction: column; gap: 13px; width: 100%; max-width: 520px; }
.board article {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 5px; padding: 15px 18px;
}
.board h4 {
  margin: 0 0 5px; font-family: "Outfit", sans-serif; font-size: 15.5px;
  font-weight: 600; color: var(--ink); letter-spacing: -0.01em;
}
.board p { margin: 0; font-size: 14px; line-height: 1.55; }
.row.dark .board article { background: rgba(255,255,255,.05); border-color: var(--deep-line); }
.row.dark .board h4 { color: #FFF; }