/* Hallmark · genre: playful-editorial · tone: calm educational · anchor: navy/sky · macrostructure: existing split hero + scoped catalogue · enrichment: preserved · nav: existing · footer: existing */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V4 · contrast: pass (40–41) · responsive: pass (34, 49–57) · slop: pass for scoped catalogue */

@import url("tokens.css");

:root {
  --warm: #f6f1e8;
  --sky: #e7f3fb;
  --surface: #fffdf9;
  --surface-soft: #f8fbfd;
  --line: #d7d2c6;
  --text: #20303c;
  --muted: #64727d;
  --navy: #1f4f74;
  --navy-dark: #15384f;
  --blue: #79c7f2;
  --mint: #8fd3b6;
  --sun: #ffd166;
  --coral: #c96a4a;
  --shadow: 0 18px 55px rgba(31, 79, 116, 0.11);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --sans: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic UI", sans-serif;
}

* { box-sizing: border-box; }

html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  overflow-x: clip;
  color: var(--text);
  background: var(--warm);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: white;
  background: var(--navy);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(31, 79, 116, 0.11);
  background: rgba(246, 241, 232, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img,
.footer-brand img {
  border: 2px solid rgba(31, 79, 116, 0.2);
  border-radius: 50%;
}

.brand span,
.footer-brand span { display: grid; line-height: 1.25; }

.brand strong { font-size: 15px; }

.brand small,
.footer-brand small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.14em;
}

nav { display: flex; align-items: center; gap: 28px; }

nav a {
  position: relative;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

nav a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  background: var(--navy);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease-out;
}

nav a:hover::after,
nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0 88px;
  background:
    radial-gradient(circle at 76% 18%, rgba(121, 199, 242, 0.32), transparent 27%),
    radial-gradient(circle at 15% 90%, rgba(143, 211, 182, 0.22), transparent 27%),
    linear-gradient(135deg, var(--warm), #f9f6ef 48%, var(--sky));
}

.hero::before {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: linear-gradient(rgba(31, 79, 116, 0.12) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 79, 116, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(to right, transparent, black 45%, black 75%, transparent);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.82fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

h1,
h2,
blockquote {
  font-family: var(--serif);
  letter-spacing: 0.015em;
}

h1 {
  margin: 0;
  font-size: clamp(54px, 7vw, 94px);
  font-weight: 600;
  line-height: 1.04;
}

h1 span { color: var(--navy); }

.lead {
  max-width: 680px;
  margin: 30px 0 0;
  color: #3b4a54;
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, background 0.2s ease-out;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }

.button-primary {
  color: white;
  background: var(--navy);
  box-shadow: 0 12px 28px rgba(31, 79, 116, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible { background: var(--navy-dark); }

.button-world {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--sky);
}

.button-world:hover,
.button-world:focus-visible { background: var(--surface); box-shadow: var(--shadow); }

.button-secondary {
  border-color: rgba(31, 79, 116, 0.26);
  color: var(--navy);
  background: rgba(255, 253, 249, 0.72);
}

.button-secondary:hover,
.button-secondary:focus-visible { background: var(--surface); box-shadow: 0 10px 24px rgba(31, 79, 116, 0.11); }

.hero-world-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  padding: 5px 11px;
  border: 1px solid rgba(31, 79, 116, 0.18);
  border-radius: 999px;
  color: var(--navy);
  background: rgba(255, 253, 249, 0.6);
  font-size: 11px;
  font-weight: 700;
}

.portrait-wrap { position: relative; padding: 16px 12px 50px 44px; }

.portrait-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 10px solid rgba(255, 253, 249, 0.9);
  border-radius: 46% 54% 40% 60% / 55% 40% 60% 45%;
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 253, 249, 0.92), rgba(231, 243, 251, 0.68) 56%, rgba(121, 199, 242, 0.25));
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.portrait-card::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(31, 79, 116, 0.08);
  border-radius: inherit;
  content: "";
}

.portrait-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transform: scale(1.15);
  transform-origin: 50% 8%;
}

.profile-note {
  position: absolute;
  right: -10px;
  bottom: 0;
  min-width: 270px;
  display: grid;
  gap: 2px;
  padding: 18px 20px;
  border: 1px solid rgba(31, 79, 116, 0.15);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 249, 0.94);
  box-shadow: 0 12px 36px rgba(31, 79, 116, 0.13);
}

.profile-note-kicker {
  color: var(--navy);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.profile-note strong { font-family: var(--serif); font-size: 18px; }

.profile-note span:last-child { color: var(--muted); font-size: 11px; }

.section { padding: 104px 0; }

.intro { background: var(--surface); }

.intro-grid { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 84px; }

h2 {
  margin: 0;
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 600;
  line-height: 1.35;
}

.intro-body { border-left: 1px solid var(--line); padding-left: 56px; }

.intro-body p { margin: 0; color: #46555f; line-height: 2.1; }

.intro-body p + p { margin-top: 18px; }

.works-section { background: var(--sky); }

.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 48px;
  margin-bottom: 44px;
}

.section-heading > p { margin: 0 0 6px; color: var(--muted); }

.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.recent-section { background: var(--surface-soft); }

.recent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.recent-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.recent-body { padding: 18px; }
.recent-body time { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: 0.08em; }
.recent-body h3 { margin: 8px 0 14px; font-size: 17px; line-height: 1.55; }

.work-card {
  overflow: hidden;
  border: 1px solid rgba(31, 79, 116, 0.13);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(31, 79, 116, 0.07);
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out;
}

.work-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.work-card-featured { grid-row: span 2; }

.work-thumb {
  position: relative;
  overflow: hidden;
  display: block;
  aspect-ratio: 16 / 9;
  background: #d7e6ee;
}

.work-card-featured .work-thumb { aspect-ratio: 16 / 11.25; }

.work-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease-out;
}

.work-thumb:hover img,
.work-thumb:focus-visible img { transform: scale(1.035); }

.work-thumb::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16, 38, 51, 0.3), transparent 46%);
  content: "";
}

.play {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding-left: 3px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 7px 20px rgba(0, 0, 0, 0.16);
}

.work-body { padding: 24px 26px 28px; }

.work-meta { display: flex; justify-content: space-between; gap: 16px; color: var(--navy); font-size: 10px; font-weight: 800; letter-spacing: 0.12em; }

.work-body h3 { margin: 10px 0 8px; font-family: var(--serif); font-size: 24px; line-height: 1.5; }

.work-card-featured .work-body h3 { font-size: 29px; }

.work-body p { margin: 0; color: var(--muted); font-size: 14px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-underline-offset: 4px;
}

.section-cta { margin-top: 34px; text-align: center; }

.culture-section {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 209, 102, 0.19), transparent 29%),
    var(--surface);
}

.culture-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 76px; align-items: start; }

.culture-intro { position: sticky; top: 110px; }

.culture-intro > p:not(.eyebrow) { margin: 24px 0 28px; color: var(--muted); }

.article-list { border-top: 1px solid var(--line); }

.article-card {
  display: grid;
  grid-template-columns: 46px 1fr 24px;
  align-items: start;
  gap: 18px;
  padding: 30px 8px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding 0.2s ease-out, background 0.2s ease-out;
}

.article-card:hover,
.article-card:focus-visible { padding-inline: 16px; background: rgba(231, 243, 251, 0.62); }

.article-number { color: var(--navy); font-family: var(--serif); font-size: 19px; }

.article-copy { display: grid; gap: 4px; }

.article-copy small { color: var(--navy); font-size: 9px; font-weight: 800; letter-spacing: 0.14em; }

.article-copy strong { font-family: var(--serif); font-size: 22px; line-height: 1.55; }

.article-copy span { color: var(--muted); font-size: 13px; }

.article-arrow { color: var(--navy); font-size: 20px; }

.projects-section { background: var(--warm); }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.project-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid rgba(31, 79, 116, 0.12);
  border-radius: var(--radius-lg);
}

.project-card-blue { background: #e8f4fb; }
.project-card-mint { background: #eaf6f0; }
.project-card-sun { background: #fff5d9; }

.project-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(31, 79, 116, 0.21);
  border-radius: 50%;
  color: var(--navy);
  background: rgba(255, 253, 249, 0.54);
  font-size: 22px;
}

.project-type { margin: 28px 0 4px; color: var(--navy); font-size: 10px; font-weight: 800; letter-spacing: 0.15em; }

.project-card h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 25px; line-height: 1.45; }

.project-card > p:not(.project-type) { margin: 0; color: #51606a; font-size: 14px; }

.project-card .text-link { margin-top: auto; padding-top: 18px; }

.evidence-band {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: center;
  gap: 40px;
  margin-top: 22px;
  padding: 28px 32px;
  border: 1px solid rgba(31, 79, 116, 0.13);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.evidence-band > div:first-child { display: grid; }
.evidence-band small { color: var(--navy); font-size: 9px; font-weight: 800; letter-spacing: 0.14em; }
.evidence-band strong { font-family: var(--serif); font-size: 19px; }
.evidence-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.evidence-links a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--navy); background: var(--surface-soft); font-size: 12px; font-weight: 800; text-decoration: none; }
.evidence-links a:hover,
.evidence-links a:focus-visible { border-color: var(--navy); }

.ai-games-band {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: var(--space-game-lg);
  margin-top: var(--space-game-lg);
  padding: var(--space-game-lg);
  border: 0;
  border-radius: var(--radius-game-lg);
  background: var(--color-game-paper-2);
  scroll-margin-top: var(--space-game-2xl);
}

.exhibit-catalog-intro { display: grid; gap: var(--space-game-xs); max-width: 72ch; }
.ai-games-band h3 { min-width: 0; margin: 0; color: var(--color-game-ink); font-family: var(--font-game-display); font-size: var(--text-game-heading); font-style: normal; line-height: 1.45; overflow-wrap: anywhere; }
.ai-games-band p { margin: 0; color: var(--color-game-muted); font-family: var(--font-game-body); font-size: var(--text-game-body); }
.ai-games-band .exhibit-application-note { margin-top: var(--space-game-xs); color: var(--color-game-ink-soft); }
.exhibit-anchor-link {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-game-accent);
  font-family: var(--font-game-body);
  font-size: var(--text-game-body);
  font-weight: 800;
  text-underline-offset: 4px;
  white-space: nowrap;
}
.exhibit-anchor-link:focus-visible,
.exhibit-card-links a:focus-visible,
.exhibit-card-thumb:focus-visible {
  outline: 3px solid var(--color-game-focus);
  outline-offset: 3px;
}
.exhibit-anchor-link:active,
.exhibit-card-links a:active { transform: translateY(1px); }
.exhibit-anchor-link[aria-disabled="true"],
.exhibit-card-links a[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.exhibit-catalog-status { padding-top: var(--space-game-2xs); }

.exhibit-catalog { display: grid; gap: var(--space-game-xl); }

.exhibit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-game-md);
}

.exhibit-card {
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: var(--rule-game) solid var(--color-game-rule);
  border-radius: var(--radius-game-lg);
  background: var(--color-game-paper);
}

.exhibit-card-featured { border-color: var(--color-game-accent); box-shadow: var(--shadow-game-card); }
.exhibit-card-thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--color-game-thumb); }
.exhibit-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-game-short) var(--ease-game-out); }
.exhibit-card-thumb:focus-visible img { transform: scale(1.025); }
.exhibit-card-body { flex: 1; display: flex; flex-direction: column; gap: var(--space-game-sm); padding: var(--space-game-lg); }
.exhibit-card-body > p { margin: 0; color: var(--color-game-muted); font-size: var(--text-game-body); }
.exhibit-card-body .exhibit-card-meta { color: var(--color-game-accent); font-size: var(--text-game-label); font-weight: 800; letter-spacing: 0.12em; }
.exhibit-card h4 { min-width: 0; margin: 0; color: var(--color-game-ink); font-family: var(--font-game-display); font-size: var(--text-game-card-title); font-style: normal; line-height: 1.45; overflow-wrap: anywhere; }
.exhibit-tags { display: flex; flex-wrap: wrap; gap: var(--space-game-xs); margin: 0; padding: 0; list-style: none; }
.exhibit-tags li { padding: var(--space-game-2xs) var(--space-game-xs); border-radius: var(--radius-game-pill); background: var(--color-game-tag); color: var(--color-game-tag-ink); font-size: var(--text-game-tag); }
.exhibit-card-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-game-sm); margin-top: auto; padding-top: var(--space-game-2xs); }
.exhibit-card-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--color-game-accent); font-size: var(--text-game-link); font-weight: 800; white-space: nowrap; }
.exhibit-catalog-noscript { grid-column: 1 / -1; }

.exhibit-tools { display: grid; gap: var(--space-game-sm); padding-top: var(--space-game-lg); border-top: var(--rule-game) solid var(--color-game-rule); }
.exhibit-tools > p { max-width: 65ch; }
.exhibit-tool-grid { grid-template-columns: minmax(0, 1fr); max-width: 360px; }

@media (hover: hover) and (pointer: fine) {
  .exhibit-card-thumb:hover img { transform: scale(1.025); }
  .exhibit-anchor-link:hover,
  .exhibit-card-links a:hover { color: var(--color-game-ink); }
}

@media (prefers-reduced-motion: reduce) {
  .exhibit-card-thumb img,
  .exhibit-card-thumb:hover img,
  .exhibit-card-thumb:focus-visible img { transform: none; }
}

.lab-note {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  margin-top: 14px;
  padding: 20px 24px;
  border: 1px dashed rgba(31, 79, 116, 0.24);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 249, 0.62);
}

.lab-note > div { display: grid; gap: 4px; }
.lab-note small { color: var(--navy); font-size: 9px; font-weight: 800; letter-spacing: 0.14em; }
.lab-note strong { font-family: var(--serif); font-size: 19px; }
.lab-note p { margin: 0; color: var(--muted); font-size: 13px; }

.lab-note-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 2px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.lab-note-link:hover,
.lab-note-link:focus-visible { color: var(--navy-dark); text-decoration: underline; text-underline-offset: 4px; }

.statement-section { background: var(--navy); }

.statement-card { color: white; text-align: center; }

.statement-card .eyebrow { color: var(--blue); }

blockquote { margin: 10px auto 52px; font-size: clamp(40px, 6vw, 72px); font-weight: 500; line-height: 1.42; }

blockquote span { color: var(--sun); }

.statement-points { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255, 255, 255, 0.18); }

.statement-points div { display: grid; gap: 3px; padding: 24px 20px 0; }

.statement-points div + div { border-left: 1px solid rgba(255, 255, 255, 0.18); }

.statement-points strong { font-family: var(--serif); font-size: 20px; }

.statement-points span { color: rgba(255, 255, 255, 0.68); font-size: 12px; }

.links-section { background: var(--surface); }

.links-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 76px; align-items: start; }

.links-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); }

.social-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }

.social-grid a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  text-decoration: none;
  transition: border-color 0.2s ease-out, transform 0.2s ease-out;
}

.social-grid a:hover,
.social-grid a:focus-visible { border-color: var(--navy); transform: translateY(-2px); }

.social-grid span { font-family: var(--serif); font-size: 20px; font-weight: 700; }

.social-grid small { grid-column: 1; color: var(--muted); font-size: 11px; }

.social-grid b { grid-column: 2; grid-row: 1 / span 2; color: var(--navy); font-size: 18px; }

.heritage-section {
  padding: 0 0 64px;
  background: var(--surface);
}

.heritage-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  padding: 48px;
  border: 1px solid rgba(31, 79, 116, 0.14);
  border-radius: var(--radius-lg);
  background-color: #f4f5fb;
  background-image:
    linear-gradient(90deg, rgba(255, 253, 249, 0.98) 0%, rgba(255, 253, 249, 0.9) 42%, rgba(255, 253, 249, 0.18) 76%),
    url("images/kabe_viper_white.png");
  background-position: center, center;
  background-repeat: no-repeat, repeat;
  background-size: cover, auto;
}

.heritage-copy { position: relative; z-index: 1; max-width: 570px; }

.heritage-copy h2 { font-size: clamp(30px, 4vw, 46px); }

.heritage-copy > p:last-child { margin: 18px 0 0; color: var(--muted); font-size: 14px; }

footer { padding: 32px 0; border-top: 1px solid var(--line); background: var(--warm); }

.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.footer-brand { display: flex; align-items: center; gap: 10px; }

.footer-brand strong { font-size: 13px; }

footer p { margin: 0; color: var(--muted); font-size: 10px; }

:focus-visible { outline: 3px solid var(--sun); outline-offset: 4px; }

/* Unotchi Nav — browser-only portfolio guide */
.un-nav-widget {
  position: fixed;
  z-index: 80;
  right: 24px;
  bottom: 24px;
  font-family: var(--sans);
  line-height: 1.6;
}

.un-nav-launcher {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  color: var(--navy-dark);
  background: transparent;
  font: inherit;
  cursor: pointer;
  filter: drop-shadow(0 12px 24px rgba(31, 79, 116, 0.18));
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
}

.un-nav-launcher:hover { transform: translateY(-2px); }

.un-nav-widget.is-open .un-nav-launcher {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.un-nav-launcher-label {
  padding: 7px 13px;
  border: 1px solid rgba(31, 79, 116, 0.18);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.96);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.un-nav-avatar-wrap {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 2px solid rgba(31, 79, 116, 0.18);
  border-radius: 50%;
  background: var(--sky);
}

.un-nav-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.un-nav-avatar-fallback {
  display: none;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--navy);
  background: var(--sky);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.un-nav-avatar-fallback.is-visible { display: grid; }

.un-nav-avatar-launcher { width: 58px; height: 58px; border-width: 3px; background: var(--surface); }
.un-nav-avatar-header { width: 38px; height: 38px; }
.un-nav-avatar-small { width: 29px; height: 29px; }

.un-nav-panel {
  width: min(390px, calc(100vw - 48px));
  height: min(680px, calc(100dvh - 48px));
  max-height: calc(100dvh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(31, 79, 116, 0.18);
  border-radius: 24px;
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(21, 56, 79, 0.2);
}

.un-nav-panel[hidden] { display: none; }

.un-nav-header {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px 12px 16px;
  border-bottom: 1px solid rgba(31, 79, 116, 0.12);
  background:
    radial-gradient(circle at 88% 0%, rgba(121, 199, 242, 0.3), transparent 46%),
    var(--warm);
}

.un-nav-header-identity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.un-nav-header-identity > span:last-child { display: grid; line-height: 1.3; }
.un-nav-header-identity strong { font-family: var(--serif); font-size: 16px; }
.un-nav-header-identity small { color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: 0.15em; }

.un-nav-close {
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  padding: 0 0 2px;
  border: 1px solid rgba(31, 79, 116, 0.16);
  border-radius: 50%;
  color: var(--navy);
  background: rgba(255, 253, 249, 0.76);
  font: 24px/1 var(--sans);
  cursor: pointer;
}

.un-nav-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(231, 243, 251, 0.42), rgba(255, 253, 249, 0.18) 34%);
  overscroll-behavior: contain;
  scrollbar-color: rgba(31, 79, 116, 0.24) transparent;
}

.un-nav-loading {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.un-nav-card {
  padding: 15px;
  border: 1px solid rgba(31, 79, 116, 0.13);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 249, 0.97);
  box-shadow: 0 8px 24px rgba(31, 79, 116, 0.07);
}

.un-nav-card.is-entering { animation: un-nav-card-in 180ms ease-out both; }
.un-nav-card-eyebrow,
.un-nav-progress {
  margin: 0 0 7px;
  color: var(--navy);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.un-nav-card-title { margin: 0; color: var(--navy-dark); font-family: var(--serif); font-size: 19px; line-height: 1.35; }
.un-nav-tour-note { margin: 12px 0 0; padding: 10px 11px; border-left: 3px solid var(--sun); background: rgba(255, 245, 203, 0.55); color: #4c4b3b; font-size: 12px; line-height: 1.7; }
.un-nav-primary-action,
.un-nav-tour-controls button,
.un-nav-actions button,
.un-nav-question,
.un-nav-related-link { min-height: 44px; }
.un-nav-primary-action { width: 100%; margin-top: 14px; padding: 10px 14px; border: 0; border-radius: 999px; color: white; background: var(--navy); font: 800 13px/1.3 var(--sans); cursor: pointer; }
.un-nav-actions { display: grid; gap: 8px; margin-top: 14px; }
.un-nav-actions button { padding: 8px 12px; border: 1px solid rgba(31, 79, 116, 0.2); border-radius: 999px; color: var(--navy); background: var(--surface); font: 800 12px/1.3 var(--sans); cursor: pointer; }
.un-nav-tour-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.un-nav-tour-controls button { padding: 8px 10px; border: 1px solid rgba(31, 79, 116, 0.2); border-radius: 999px; color: var(--navy); background: var(--surface); font: 800 11px/1.3 var(--sans); cursor: pointer; }
.un-nav-tour-controls .un-nav-tour-next { color: white; background: var(--navy); }
.un-nav-tour-controls .un-nav-tour-exit { grid-column: 1 / -1; color: var(--muted); }
.un-nav-tour-controls button:disabled { opacity: 0.45; cursor: not-allowed; }
@keyframes un-nav-card-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.un-nav-card-identity {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--navy-dark);
}

.un-nav-card-identity strong { font-family: var(--serif); font-size: 13px; }

.un-nav-answer-text {
  margin: 12px 0 0;
  color: #384a57;
  font-size: 13px;
  line-height: 1.85;
}

.un-nav-user-message {
  justify-self: end;
  max-width: 86%;
  margin: 0;
  padding: 9px 12px;
  border-radius: 16px 16px 4px 16px;
  color: white;
  background: var(--navy);
  font-size: 12px;
  line-height: 1.65;
}

.un-nav-divider {
  height: 1px;
  margin: 14px 0 12px;
  border: 0;
  background: var(--line);
}

.un-nav-answer-section + .un-nav-answer-section { margin-top: 13px; }

.un-nav-section-label {
  margin: 12px 0 7px;
  color: var(--navy);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.un-nav-welcome .un-nav-section-label { margin-top: 14px; }

.un-nav-question-list,
.un-nav-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.un-nav-question,
.un-nav-related-link {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 10px;
  border: 1px solid rgba(31, 79, 116, 0.2);
  border-radius: 999px;
  color: var(--navy);
  background: var(--surface-soft);
  font: 700 11px/1.45 var(--sans);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.un-nav-question:hover,
.un-nav-question:focus-visible,
.un-nav-related-link:hover,
.un-nav-related-link:focus-visible {
  border-color: var(--navy);
  background: var(--sky);
}

.un-nav-question-initial:first-child {
  color: white;
  background: var(--navy);
}

.un-nav-external-mark { font-size: 11px; }

.un-nav-form {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 12px 12px 8px;
  border-top: 1px solid rgba(31, 79, 116, 0.12);
  background: var(--surface);
}

.un-nav-form input {
  min-width: 0;
  height: 44px;
  padding: 9px 13px;
  border: 1px solid rgba(31, 79, 116, 0.22);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font: 16px/1.4 var(--sans);
}

.un-nav-form button {
  min-width: 60px;
  height: 44px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  color: white;
  background: var(--navy);
  font: 800 12px/1 var(--sans);
  cursor: pointer;
}

.un-nav-form button:hover,
.un-nav-form button:focus-visible { background: var(--navy-dark); }

.un-nav-form input:disabled,
.un-nav-form button:disabled { opacity: 0.55; cursor: wait; }

.un-nav-disclaimer {
  flex: 0 0 auto;
  margin: 0;
  padding: 0 16px 11px;
  color: var(--muted);
  background: var(--surface);
  font-size: 8px;
  line-height: 1.55;
  text-align: center;
}

.un-nav-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 920px) {
  .recent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid,
  .intro-grid,
  .culture-grid,
  .links-grid { grid-template-columns: 1fr; }

  .hero-grid { gap: 36px; }
  .hero-copy { max-width: 700px; }
  .portrait-wrap { width: min(600px, 100%); margin-inline: auto; }
  .intro-grid,
  .culture-grid,
  .links-grid { gap: 40px; }
  .intro-body { padding-left: 0; border-left: 0; }
  .culture-intro { position: static; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .evidence-band { grid-template-columns: 1fr; gap: 18px; }
  .evidence-links { justify-content: flex-start; }
  .ai-games-band { grid-template-columns: 1fr; gap: 18px; }
  .exhibit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-note { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 700px) {
  .exhibit-grid { grid-template-columns: minmax(0, 1fr); }
  .recent-grid { grid-template-columns: 1fr; }
  .shell { width: min(100% - 32px, 1160px); }
  .header-inner { min-height: 68px; }
  nav { max-width: 52vw; overflow-x: auto; gap: 18px; scrollbar-width: none; }
  nav::-webkit-scrollbar { display: none; }
  nav a { flex: 0 0 auto; font-size: 11px; }
  .brand small { display: none; }
  .hero { padding: 54px 0 66px; }
  h1 { font-size: clamp(48px, 16vw, 72px); }
  .lead { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .portrait-wrap { padding: 6px 8px 72px 16px; }
  .profile-note { right: 0; left: 0; min-width: 0; }
  .section { padding: 76px 0; }
  .works-grid { grid-template-columns: 1fr; }
  .work-card-featured { grid-row: auto; }
  .work-card-featured .work-thumb { aspect-ratio: 16 / 9; }
  .work-card-featured .work-body h3 { font-size: 25px; }
  .article-card { grid-template-columns: 36px 1fr 18px; gap: 11px; }
  .article-copy strong { font-size: 19px; }
  .statement-points { grid-template-columns: 1fr; }
  .statement-points div { padding: 20px 10px; }
  .statement-points div + div { border-top: 1px solid rgba(255, 255, 255, 0.18); border-left: 0; }
  .social-grid { grid-template-columns: 1fr; }
  .heritage-card {
    min-height: 420px;
    align-items: flex-end;
    padding: 28px 24px;
    background-image:
      linear-gradient(0deg, rgba(255, 253, 249, 0.98) 0%, rgba(255, 253, 249, 0.9) 52%, rgba(255, 253, 249, 0.08) 100%),
      url("images/kabe_viper_white.png");
    background-position: center, center;
    background-repeat: no-repeat, repeat;
    background-size: cover, auto;
  }
  .footer-inner { align-items: flex-start; flex-direction: column; }

  .un-nav-widget {
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .un-nav-panel {
    width: 100%;
    height: min(78dvh, 680px);
    max-height: calc(100dvh - 24px - env(safe-area-inset-bottom));
    border-radius: 21px;
  }

  .un-nav-launcher { margin-left: auto; }
  .un-nav-close { width: 44px; height: 44px; }
  .un-nav-launcher-label { font-size: 11px; }
  .un-nav-content { padding: 13px; }
  .un-nav-card { padding: 13px; }
  .un-nav-form { padding-inline: 10px; }
}

@media (max-width: 380px) {
  .un-nav-launcher-label { display: none; }
  .un-nav-question,
  .un-nav-related-link { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}