/* znsi.ai page layouts. Components and tokens come from /brand/. */

/* ---------- Home hero ---------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: end;
  gap: var(--space-7);
  padding-block: var(--space-8) var(--space-6);
  overflow: hidden;
  isolation: isolate;
}
.hero__wafer {
  position: absolute;
  z-index: -2;
  width: min(118vh, 86vw);
  aspect-ratio: 1;
  top: 50%;
  right: calc(min(118vh, 86vw) * -0.24);
  transform: translateY(-52%);
}
.hero__wafer img, .hero__wafer canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__wafer canvas { opacity: 0; transition: opacity 1.2s var(--ease); }
.hero__wafer canvas.is-live { opacity: 1; }
.hero__wafer:has(canvas.is-live) img { opacity: 0; transition: opacity 1.2s var(--ease); }
/* fade the wafer into the ink behind the headline */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, var(--ink) 0%, rgb(11 11 12 / 0.92) 28%, rgb(11 11 12 / 0.3) 55%, transparent 75%),
    linear-gradient(0deg, var(--ink) 0%, transparent 30%);
  pointer-events: none;
}
.hero__vertical {
  position: absolute;
  left: calc(var(--gutter) * 0.5);
  top: var(--space-7);
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  font-size: var(--step--1);
  letter-spacing: 0.5em;
  color: var(--bone-3);
}
.hero__content { display: grid; gap: var(--space-5); align-self: center; }
.hero .display { max-width: 9.5ch; }
.hero .lede { max-width: 40ch; }
.hero__actions { margin-top: var(--space-3); }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule-2);
}
.hero__stats > div { padding: var(--space-4) var(--space-4) 0 0; display: grid; gap: var(--space-2); align-content: space-between; }
.hero__stats > div + div { padding-left: var(--space-4); border-left: 1px solid var(--rule); }
.hero__stats dt { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--fg-3); }
.hero__stats dd { font-size: var(--step-3); font-weight: 660; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.hero__stats dd small { font-size: 0.5em; color: var(--fg-2); margin-left: 0.1em; font-weight: 500; }
.hero__stats dd.mono { font-size: var(--step-1); letter-spacing: 0; padding-top: 0.35em; color: var(--accent); }

@media (max-width: 860px) {
  .hero { min-height: auto; padding-top: var(--space-6); }
  .hero__wafer {
    width: 135vw;
    right: auto;
    left: 50%;
    top: -8vw;
    transform: translateX(-38%);
    opacity: 0.75;
  }
  .hero::before {
    background: linear-gradient(0deg, var(--ink) 0%, var(--ink) 38%, rgb(11 11 12 / 0.55) 62%, rgb(11 11 12 / 0.1) 100%);
  }
  .hero__content { padding-top: 62vw; }
  .hero__vertical { display: none; }
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__stats > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero__stats > div:nth-child(n + 3) { border-top: 1px solid var(--rule); margin-top: var(--space-4); }
}

/* ---------- KIRIN figure ---------- */
.kirin-figure { margin: 0; }
.kirin-stack { width: 100%; overflow: visible; }
.kirin-stack text { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; fill: var(--bone-2); }
.kirin-stack .ks-value { fill: var(--vermilion); letter-spacing: 0.04em; font-size: 14px; }
@media (prefers-reduced-motion: no-preference) {
  .ks-layer { animation: ks-float 7s var(--ease-in-out) infinite alternate; }
  .ks-layer--1 { animation-delay: -1.5s; }
  .ks-layer--2 { animation-delay: -3s; }
  .ks-layer--3 { animation-delay: -4.5s; }
  .ks-layer--4 { animation-delay: -6s; }
}
@keyframes ks-float { from { transform: translateY(-5px); } to { transform: translateY(5px); } }

/* ---------- Home bands ---------- */
.mugen-actions { margin-top: var(--space-7); }
.section-more { margin-top: var(--space-6); }

.kizuna-band { overflow: hidden; }
.kizuna-mark {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 420px;
  width: 100%;
  margin-inline: auto;
  border: 1px solid var(--rule);
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at 50% 50%, rgb(229 52 29 / 0.16), transparent 62%);
}
.kizuna-mark::before, .kizuna-mark::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px dashed var(--rule-2);
}
.kizuna-mark::after { inset: 26%; border-style: solid; border-color: rgb(229 52 29 / 0.4); }
.kizuna-mark .jp { font-size: clamp(6rem, 18vw, 11rem); line-height: 1; color: var(--bone); letter-spacing: 0; }
@media (prefers-reduced-motion: no-preference) {
  .kizuna-mark::before { animation: spin 60s linear infinite; }
}
@keyframes spin { to { transform: rotate(360deg); } }

.charter-list { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.charter-list li { display: grid; grid-template-columns: 5.5rem 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-bottom: 1px solid var(--rule); font-size: var(--step-1); line-height: 1.45; }
.charter-list .mono { font-size: var(--step--2); letter-spacing: var(--tracking-caps); color: var(--accent); padding-top: 0.45em; }

.careers-band { text-align: center; overflow: hidden; }
.careers-band__inner { display: grid; justify-items: center; gap: var(--space-6); }
.careers-band .eyebrow { justify-content: center; }

/* ---------- Inner pages ---------- */
.page-hero--lattice .page-hero__wafer {
  position: absolute;
  z-index: 0;
  width: min(760px, 110vw);
  aspect-ratio: 1;
  right: -14%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.55;
  pointer-events: none;
}
.page-hero--lattice .page-hero__wafer img { width: 100%; height: 100%; }
.page-hero--lattice::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink) 30%, transparent 85%);
  pointer-events: none;
}
.page-hero--lattice .page-hero__inner { z-index: 1; }

.figure-wide { margin: 0; }
.figure-wide svg { width: 100%; }

.toc { display: grid; gap: var(--space-2); font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.toc a { text-decoration: none; color: var(--fg-3); }
.toc a:hover { color: var(--fg); }

.article-meta { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--fg-3); }

.abstract { padding: var(--space-5); border: 1px solid var(--rule-2); background: var(--bg-raised); }
.abstract h2 { font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--accent); margin: 0 0 var(--space-3); }

.refs { font-size: var(--step--1); color: var(--fg-2); padding-left: 1.6em; }
.refs li + li { margin-top: var(--space-2); }

.chart text { font-family: var(--font-mono); font-size: 11px; fill: var(--fg-3); }
.chart .axis { stroke: var(--rule-2); }
.chart .gridline { stroke: var(--rule); }
.chart .series-a { stroke: var(--accent); fill: none; stroke-width: 2.5; }
.chart .series-b { stroke: var(--fg-2); fill: none; stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .series-label { font-size: 12px; fill: var(--fg); }
.chart .series-label--a { fill: var(--accent); }
.chart .mark { fill: var(--accent); }

.role { display: grid; gap: var(--space-3); padding: var(--space-5) 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 860px) { .role { grid-template-columns: 2fr 1fr 1fr auto; align-items: baseline; gap: var(--space-5); } }
.role h3 { font-size: var(--step-1); }
.role .tag, .role .link-arrow { justify-self: start; }
.role p { color: var(--fg-2); font-size: 0.95rem; }
.roles { border-top: 1px solid var(--rule); }

.news-list { border-top: 1px solid var(--rule); }
.news-item { display: grid; gap: var(--space-2); padding: var(--space-5) 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
@media (min-width: 860px) { .news-item { grid-template-columns: 10rem 1fr auto; gap: var(--space-6); align-items: baseline; } }
.news-item time { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent); }
.news-item h2, .news-item h3 { font-size: var(--step-1); transition: color var(--dur-1); }
.news-item:hover h2, .news-item:hover h3 { color: var(--accent); }
.news-item p { color: var(--fg-2); font-size: 0.95rem; margin-top: var(--space-2); }

.timeline { border-left: 1px solid var(--rule-2); padding-left: var(--space-5); display: grid; gap: var(--space-5); list-style: none; }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; left: calc(-1 * var(--space-5) - 4px); top: 0.55em; width: 7px; height: 7px; background: var(--accent); }
.timeline time { font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); color: var(--fg-3); display: block; }

.people { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.person { background: var(--bg); padding: var(--space-5); display: grid; gap: var(--space-2); align-content: start; }
.person h3 { font-size: var(--step-1); }
.person .caps { color: var(--accent); }
.person p { color: var(--fg-2); font-size: 0.95rem; }

.article { padding-block: var(--space-8); }
.article-layout { display: grid; gap: var(--space-7); }
@media (min-width: 1000px) {
  .article-layout { grid-template-columns: 14rem minmax(0, 1fr); }
  .article-layout .toc { position: sticky; top: calc(var(--header-h) + var(--space-5)); align-self: start; }
}
@media (max-width: 999px) { .article-layout .toc { display: none; } }

.big-quote { font-size: var(--step-3); line-height: 1.15; letter-spacing: -0.02em; font-weight: 560; max-width: 26ch; }
.big-quote em { font-style: normal; color: var(--accent); }

/* ---------- 404 ---------- */
.not-found { min-height: calc(100svh - var(--header-h)); display: grid; align-items: center; position: relative; overflow: hidden; }
.not-found__code { font-size: clamp(7rem, 30vw, 22rem); font-weight: 780; line-height: 0.8; letter-spacing: -0.06em; color: transparent; -webkit-text-stroke: 1px var(--rule-2); }
.not-found__code em { font-style: normal; -webkit-text-stroke: 0; color: var(--accent); }

/* ---------- Additions: papers, charter, wafer map, centred bands ---------- */
.careers-band__inner { text-align: center; }
.careers-band__inner .lede, .careers-band__inner .big-quote { margin-inline: auto; }
.careers-band__inner .cluster { justify-content: center; }

.paper-head { padding-bottom: var(--space-7); margin-bottom: var(--space-7); border-bottom: 1px solid var(--rule); }
.paper-title { font-size: var(--step-4); font-weight: 680; letter-spacing: -0.03em; line-height: 1.02; max-width: 22ch; }
.paper-authors { color: var(--fg-2); }
.paper .toc a { color: var(--fg-3); }
.article .container--narrow .paper-title { max-width: none; }

.charter { display: grid; gap: 0; max-width: 52rem; }
.charter-article { padding: var(--space-6) 0; border-top: 1px solid var(--rule); display: grid; gap: var(--space-3); }
.charter-article h2 { font-size: var(--step-2); }
.charter-text { font-size: var(--step-2); line-height: 1.3; letter-spacing: -0.01em; font-weight: 520; }
.charter-annexes { padding-top: var(--space-6); border-top: 1px solid var(--rule); display: grid; gap: var(--space-4); }
.redact { background: var(--fg); color: transparent; border-radius: 1px; user-select: none; -webkit-box-decoration-break: clone; box-decoration-break: clone; }

.wafer-figure { margin: 0; }
.wafer-map { width: 100%; max-width: 520px; margin-inline: auto; }
.wafer-map__disc { fill: var(--ink-2); stroke: var(--rule-2); }
.paper .wafer-map__disc { fill: var(--ink); }
.wafer-map__notch { fill: var(--bg); stroke: var(--rule-2); }
.wafer-map .die { fill: rgb(237 232 223 / 0.1); stroke: rgb(237 232 223 / 0.28); stroke-width: 0.8; }
.wafer-map .die--reroute { fill: rgb(229 52 29 / 0.75); stroke: var(--vermilion); }
.wafer-map .die--fused { fill: #000; stroke: rgb(237 232 223 / 0.5); stroke-dasharray: 2 2; }
.wafer-map__links path { fill: none; stroke: var(--vermilion-hi); stroke-width: 1.6; stroke-dasharray: 3 3; }
@media (prefers-reduced-motion: no-preference) {
  .wafer-map__links path { animation: march 1.2s linear infinite; }
}
@keyframes march { to { stroke-dashoffset: -12; } }
.legend { display: inline-flex; align-items: center; gap: var(--space-2); margin-left: var(--space-4); }
.legend__swatch { width: 10px; height: 10px; border: 1px solid var(--rule-2); }
.legend__swatch--ok { background: rgb(237 232 223 / 0.12); }
.legend__swatch--reroute { background: var(--vermilion); }
.legend__swatch--fused { background: #000; }

.page-hero h1 .accent { color: var(--accent); }

@media (min-width: 960px) {
  .split--wide-left > :last-child .headline { font-size: var(--step-3); }
}

/* ---------- Press ---------- */
.press-logos { display: flex; flex-wrap: wrap; gap: var(--space-6); justify-content: center; align-items: center; padding: var(--space-7); border: 1px solid var(--rule); background: var(--bg); }
.press-logos img { width: clamp(96px, 20vw, 160px); height: auto; }