:root {
  --bg: #f5f6f3;
  --paper: #fcfdfa;
  --ink: #0d1110;
  --muted: #626966;
  --line: rgba(13, 17, 16, .16);
  --accent: #196c5c;
  --blue: #102b26;
  --green: #196c5c;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Helvetica Neue", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  background: var(--bg);
  text-rendering: geometricPrecision;
}

h1, h2, h3 { text-wrap: balance; }

.hub-home { background: var(--bg); }
::selection { background: var(--ink); color: var(--paper); }
main { width: min(1380px, calc(100vw - 40px)); }

.topbar {
  min-height: 58px;
  padding: 9px clamp(20px, 3vw, 44px);
  gap: clamp(18px, 3vw, 42px);
  background: rgba(245, 246, 243, .94);
  border-bottom-color: rgba(13, 17, 16, .12);
  backdrop-filter: blur(18px) saturate(120%);
}

.brand {
  display: inline-flex;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.topbar-search { max-width: 560px; }
.topbar-search input {
  min-height: 30px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 0 2px;
  background: transparent;
}
.topbar-search input:focus { border-color: var(--ink); box-shadow: none; outline: none; }
.top-actions { gap: clamp(12px, 1.6vw, 22px); }
.top-actions a,
.top-actions button { font-size: 13px; font-weight: 680; }
.api-dot { width: 6px; height: 6px; }
.api-connect-panel {
  top: 78px;
  border-radius: 2px;
  background: rgba(251, 252, 250, .96);
  box-shadow: 0 26px 80px rgba(13, 17, 16, .12);
}

.button,
button,
input,
select,
textarea,
.panel,
.card,
.resource,
.guide { border-radius: 2px; }
.button,
button { transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease; }
.button:active,
button:active { transform: translateY(1px); }

.hub-hero {
  min-height: min(540px, calc(66dvh - 58px));
  grid-template-columns: minmax(300px, .8fr) minmax(520px, 1.2fr);
  gap: clamp(36px, 6vw, 88px);
  padding: clamp(38px, 5vw, 68px) 0 28px;
  align-items: end;
}
.hero-copy { align-self: center; }
.hero-copy h1 {
  max-width: 680px;
  font-size: clamp(64px, 7.6vw, 108px);
  line-height: .88;
  font-weight: 820;
}
.hub-hero p:not(.eyebrow) {
  max-width: 430px;
  margin-top: 18px;
  font-size: clamp(15px, 1.25vw, 18px);
}
.hero-index {
  align-self: stretch;
  align-content: center;
  gap: 0;
  max-height: 500px;
  padding: 12px 0;
  mask-image: linear-gradient(to bottom, transparent, #000 18px, #000 calc(100% - 18px), transparent);
}
.hero-index-row {
  min-height: 38px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-primary, var(--ink)) 18%, transparent);
  border-radius: 0;
  padding: 5px 2px;
  background: transparent;
  box-shadow: none;
  font-size: 13px;
  transform: translate3d(0, 8px, 0);
}
.hero-index-row:hover {
  padding-left: 12px;
  background: color-mix(in srgb, var(--brand-primary, var(--ink)) 7%, transparent);
  box-shadow: none;
  transform: translate3d(0, 0, 0);
}
.hero-index-secondary { font-size: 11px; }
.hero-index-colors { gap: 2px; }
.hero-index .color-dot {
  width: 18px;
  height: 4px;
  min-height: 4px;
  border: 0;
  border-radius: 0;
}
.hero-index .icon-copy {
  width: 28px;
  height: 28px;
  min-height: 28px;
  border: 0;
  background: transparent;
}

.evolution-entry { padding: 8px 0 42px; }
.evolution-link {
  min-height: 112px;
  grid-template-columns: minmax(280px, .9fr) minmax(420px, 1.1fr) 52px;
  padding: 22px 0;
  border-top: 2px solid var(--ink);
  border-bottom-color: var(--ink);
}
.evolution-copy h2 { font-weight: 760; }
.evolution-path { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.evolution-open { border-radius: 50%; }

.entry-portals {
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 36px);
  padding: 0 0 clamp(54px, 6vw, 76px);
}
.portal {
  min-height: 100px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-content: center;
  gap: 6px 16px;
  padding: 16px 0;
  border-top-color: var(--ink);
}
.portal .eyebrow { grid-column: 1; margin: 0; }
.portal h3 { grid-column: 1; margin: 0; font-size: clamp(19px, 1.8vw, 25px); }
.portal > p:not(.eyebrow):not(.portal-status) { display: none; }
.portal-action {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  margin: 0;
  min-height: 32px;
  padding: 7px 11px;
  border-radius: 2px;
}
.portal-status { grid-column: 1 / -1; }

.section-head { align-items: center; padding: 18px 0 10px; border-top: 2px solid var(--ink); }
.section-head h2 { font-size: clamp(38px, 4vw, 54px); }
.count-pill {
  border: 0;
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.ip-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 12px;
  padding: 12px 0 88px;
}
.ip-card {
  grid-column: span 3;
  min-height: 342px;
  border-radius: 2px !important;
  box-shadow: none;
}
.ip-card:nth-child(7n + 1),
.ip-card:nth-child(7n + 5) { grid-column: span 6; min-height: 406px; }
.ip-card::before { width: 3px; }
.ip-card:hover { transform: translateY(-3px); box-shadow: 0 22px 60px rgba(13, 17, 16, .09); }
.card-body { padding: 12px; gap: 9px; }
.card-art { min-height: 154px; border: 0; border-radius: 0; }
.ip-card:nth-child(7n + 1) .card-art,
.ip-card:nth-child(7n + 5) .card-art { min-height: 220px; }
.card-art > img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: clamp(22px, 3vw, 44px);
  object-fit: contain;
  background: var(--brand-paper, var(--paper));
  transition: transform .45s cubic-bezier(.2,.8,.2,1);
}
.ip-card:hover .card-art > img { transform: scale(1.025); }
.card-art > img ~ .art-code,
.card-art > img ~ .art-metric { z-index: 2; }
.card-body > .eyebrow { display: none; }
.card-body h2 { margin-top: 2px; font-size: clamp(23px, 2vw, 31px); line-height: 1; }
.card-intro {
  max-width: 52ch;
  margin: 0;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 13px;
}
.card-profile { display: none; }
.meta { margin-top: auto; }
.pill {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}
.copy-reference { top: 12px; right: 12px; }

.brand-page { width: min(1380px, calc(100vw - 40px)); }
.brand-shell {
  width: 100%;
  margin: -24px 0 -70px;
  padding: 28px 0 88px;
}
.brand-hero {
  min-height: min(520px, calc(62dvh - 58px));
  grid-template-columns: minmax(0, .88fr) minmax(360px, 1.12fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  margin: 0 0 46px;
  padding: clamp(40px, 6vw, 72px) 0 38px;
  border-bottom: 2px solid var(--brand-ink, var(--ink));
}
.brand-hero h1 { font-size: clamp(54px, 7vw, 92px); line-height: .9; }
.brand-hero > div:first-child > p:not(.eyebrow) { max-width: 620px; font-size: 16px; }
.brand-visual { min-height: 330px; display: grid; place-items: center; background: var(--brand-paper, var(--paper)); }
.brand-visual img {
  width: 100%;
  max-height: 420px;
  padding: clamp(28px, 4vw, 56px);
  object-fit: contain;
}
.profile-tags span,
.mood-keywords span { border-radius: 0; }
.ip-system-panel,
.asset-hub,
.mood-board,
.history-panel,
.resource-list,
.guide-rendered {
  margin: 0;
  padding: clamp(30px, 4vw, 50px) 0;
  border: 0;
  border-top: 1px solid var(--brand-line, var(--line));
  border-radius: 0;
  background: transparent;
}
.resource-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--brand-line, var(--line));
}
.resource {
  min-height: 112px;
  padding: 14px 14px 14px 0;
  border: 0;
  border-bottom: 1px solid var(--brand-line, var(--line));
  background: transparent;
}
.endpoint-card { min-height: 112px; border-radius: 0; box-shadow: none; }
.mood-color { border-radius: 0; }
.guide-rendered > .eyebrow { margin-bottom: 22px; }
.rendered-document { max-width: 920px; }
.rendered-document h1 { font-size: clamp(48px, 7vw, 86px); }
.rendered-document h2 { border-top-width: 2px; }

.ip-system-hero { min-height: min(500px, calc(60dvh - 58px)); padding-top: clamp(42px, 6vw, 74px); }
.ip-system-hero h1 { max-width: 1120px; font-size: clamp(56px, 7vw, 94px); line-height: .92; }
.ip-system-layers article { padding: 22px 0; }
.ip-system-content-shell { padding-top: clamp(60px, 7vw, 92px); }
.ip-system-toc { top: 92px; }

.admin { max-width: 1120px; padding-top: 64px; }
.admin #unlockPanel,
.admin #editorPanel { max-width: 920px; border-radius: 2px; background: var(--paper); }
.admin #unlockPanel h1 { font-size: clamp(44px, 7vw, 76px); }
.global-results { border-radius: 2px; }

@keyframes editorial-reveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .ip-card,
  .portal,
  .rendered-document > h2 {
    animation: editorial-reveal .6s cubic-bezier(.2,.8,.2,1) both;
    animation-timeline: view();
    animation-range: entry 0% cover 18%;
  }
}

@media (max-width: 1080px) {
  .hub-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 44px; }
  .hero-copy h1 { font-size: clamp(64px, 11vw, 96px); }
  .hero-index { max-height: 410px; }
  .ip-card,
  .ip-card:nth-child(7n + 1),
  .ip-card:nth-child(7n + 5) { grid-column: span 6; min-height: 360px; }
  .ip-card:nth-child(7n + 1) .card-art,
  .ip-card:nth-child(7n + 5) .card-art { min-height: 180px; }
  .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  main,
  .brand-page { width: min(100% - 28px, 1320px); }
  .topbar {
    min-height: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    padding: 14px;
    gap: 12px 18px;
  }
  .topbar .brand { grid-column: 1; grid-row: 1; }
  .topbar .brand { width: 36px; height: 36px; flex-basis: 36px; }
  .top-actions {
    grid-column: 2;
    grid-row: 1;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-end;
  }
  .topbar-search { grid-column: 1 / -1; grid-row: 2; order: initial; }
  .hub-hero { padding: 38px 0 24px; }
  .hero-copy h1 { font-size: clamp(54px, 17vw, 72px); }
  .hub-hero p:not(.eyebrow) { margin-top: 12px; font-size: 14px; }
  .hero-index { max-height: 310px; padding: 6px 0; }
  .hero-index-row { min-height: 35px; font-size: 12px; }
  .hero-index-secondary { display: none; }
  .evolution-link { grid-template-columns: minmax(0, 1fr) 44px; min-height: 0; }
  .evolution-copy h2 { max-width: 10em; font-size: 30px; line-height: 1.04; }
  .evolution-path { grid-template-columns: repeat(5, max-content); overflow-x: auto; justify-content: start; gap: 16px; }
  .entry-portals { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding-bottom: 42px; }
  .portal {
    min-height: 96px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    padding: 10px 0;
  }
  .portal h3 { font-size: 15px; white-space: nowrap; }
  .portal-action { width: 100%; min-height: 28px; margin-top: auto; padding: 5px 7px; font-size: 11px; }
  .portal-status { font-size: 10px; }
  .ip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding-bottom: 56px; }
  .ip-card,
  .ip-card:nth-child(7n + 1),
  .ip-card:nth-child(7n + 5) { grid-column: auto; min-height: 246px; }
  .card-art,
  .ip-card:nth-child(7n + 1) .card-art,
  .ip-card:nth-child(7n + 5) .card-art { min-height: 104px; }
  .card-body { padding: 9px; gap: 7px; }
  .card-body h2 {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    font-size: clamp(17px, 5vw, 21px);
    line-height: 1.04;
    overflow-wrap: anywhere;
  }
  .card-intro { display: none; }
  .card-art > img { padding: 18px; }
  .copy-reference { top: 7px; right: 7px; }
  .meta { gap: 6px; font-size: 10px; }
  .brand-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 38px; }
  .brand-hero h1 { font-size: clamp(48px, 14vw, 66px); }
  .brand-visual { min-height: 220px; }
  .resource-grid { grid-template-columns: 1fr; }
  .ip-system-hero { min-height: auto; padding: 44px 0; }
  .ip-system-hero h1 { font-size: clamp(48px, 14vw, 66px); }
}