styles.css

:root {
  --ink: #0c1112;
  --panel: #12191a;
  --paper: #f2f5f3;
  --white: #ffffff;
  --muted: #61706f;
  --line: #cbd4d1;
  --dark-line: #2b3838;
  --cyan: #39c6ca;
  --green: #a8d951;
  --amber: #f0b341;
  --coral: #ee765a;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.5; letter-spacing: 0; }
a { color: inherit; }
button, input { font: inherit; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  min-height: 72px;
  padding: 0 max(4vw, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; font-weight: 800; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: var(--ink); background: var(--green); border-radius: 4px; }
.brand small { margin-left: 8px; padding-left: 18px; color: #aebdbc; border-left: 1px solid rgba(255,255,255,.25); font-size: 12px; font-weight: 600; }
.site-header nav, footer nav { display: flex; align-items: center; gap: 26px; }
.site-header nav a, footer nav a { color: inherit; font-size: 13px; font-weight: 700; text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--green); }
.nav-action { padding: 9px 12px; border: 1px solid rgba(255,255,255,.35); border-radius: 4px; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: min(820px, 88svh); padding: 140px max(4vw, calc((100vw - var(--max)) / 2)) 54px; display: grid; align-items: end; overflow: hidden; color: var(--white); background: var(--ink); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,11,12,.98) 0%, rgba(7,11,12,.82) 34%, rgba(7,11,12,.16) 72%, rgba(7,11,12,.42) 100%); }
.hero-copy { position: relative; z-index: 2; max-width: 760px; }
.signal, .eyebrow { margin: 0 0 18px; color: var(--green); font-size: 12px; font-weight: 850; text-transform: uppercase; }
.signal { display: flex; align-items: center; gap: 10px; }
.signal > span:first-child { width: 28px; height: 2px; flex: 0 0 28px; background: var(--green); box-shadow: 0 0 12px var(--green); }
h1, h2, h3, p { letter-spacing: 0; }
h1 { margin: 0; font-size: clamp(72px, 11vw, 166px); line-height: .82; }
.hero-kicker { margin: 30px 0 12px; max-width: 680px; font-size: clamp(25px, 3vw, 42px); font-weight: 700; line-height: 1.08; }
.hero-summary { margin: 0; max-width: 650px; color: #c4d0cf; font-size: 18px; }
.hero-actions { margin-top: 34px; display: flex; gap: 10px; flex-wrap: wrap; }
.button { min-height: 46px; padding: 12px 16px; display: inline-flex; align-items: center; gap: 16px; border-radius: 4px; font-weight: 800; text-decoration: none; }
.button-primary { color: var(--ink); background: var(--green); }
.button-primary:hover { background: var(--white); }
.button-quiet { color: var(--white); border: 1px solid rgba(255,255,255,.36); }
.button-quiet:hover { border-color: var(--green); }
.hero-metrics { position: absolute; z-index: 2; right: max(4vw, calc((100vw - var(--max)) / 2)); bottom: 54px; margin: 0; display: grid; grid-template-columns: repeat(3, 128px); border-top: 1px solid rgba(255,255,255,.35); }
.hero-metrics div { padding: 14px 0 0 18px; border-left: 1px solid rgba(255,255,255,.35); }
.hero-metrics dt { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 24px; font-weight: 750; }
.hero-metrics dd { margin: 3px 0 0; color: #aebdbc; font-size: 11px; text-transform: uppercase; }

.scope-rail { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); color: var(--white); background: #162021; border-bottom: 1px solid var(--dark-line); }
.scope-rail span { min-height: 72px; padding: 17px 20px; display: flex; align-items: center; gap: 12px; border-right: 1px solid var(--dark-line); font-size: 13px; font-weight: 750; }
.scope-rail span::before { content: attr(data-code); color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }

.section { padding: 104px max(4vw, calc((100vw - var(--max)) / 2)); }
.section-dark { color: var(--white); background: var(--ink); }
.section-head { margin-bottom: 48px; display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, .7fr); gap: 48px; align-items: end; }
.section-head h2 { margin: 0; max-width: 900px; font-size: clamp(38px, 5.4vw, 78px); line-height: .98; }
.section-head > p { margin: 0; color: var(--muted); font-size: 17px; }
.section-dark .section-head > p, .ecosystem .section-head > p { color: #a9b8b6; }

.page-hero {
  min-height: 520px;
  padding: 150px max(4vw, calc((100vw - var(--max)) / 2)) 72px;
  display: flex;
  align-items: end;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7,11,12,.98), rgba(7,11,12,.72)),
    url("assets/ecosystem-infrastructure.png") center / cover;
}
.page-hero-copy { max-width: 920px; }
.page-hero h1 { margin: 0; font-size: clamp(58px, 9vw, 126px); line-height: .88; }
.page-hero p:last-child { max-width: 720px; color: #c4d0cf; font-size: 19px; }
.achievement-list { border-top: 1px solid var(--line); }
.achievement-entry { display: grid; grid-template-columns: 160px minmax(0, 1fr) 190px; gap: 32px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.achievement-meta { color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; }
.achievement-copy h2 { margin: 0 0 12px; max-width: 980px; font-size: clamp(28px, 4vw, 52px); line-height: 1.04; }
.achievement-copy p { margin: 8px 0 0; color: var(--muted); }
.achievement-status { justify-self: end; }
.achievement-status span { display: inline-flex; padding: 8px 10px; border: 1px solid #87a43e; border-radius: 3px; color: #33470b; background: #dff1b9; font-size: 12px; font-weight: 850; text-transform: uppercase; }
.achievement-links { margin-top: 20px; display: flex; gap: 16px; flex-wrap: wrap; }
.achievement-links a { font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.language-toggle { min-height: 38px; padding: 7px 11px; border: 1px solid #52615f; border-radius: 4px; color: var(--white); background: transparent; font: inherit; font-size: 12px; font-weight: 850; cursor: pointer; }
.language-toggle:hover, .language-toggle:focus-visible { color: var(--ink); background: var(--green); border-color: var(--green); }
.publication-release-line { margin: 34px 0 62px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.publication-release-line a { min-height: 124px; padding: 22px; display: grid; align-content: center; gap: 4px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.publication-release-line a:hover { background: var(--white); }
.publication-release-line span { color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.publication-release-line strong { font-size: 30px; }
.publication-release-line small { color: var(--muted); }
.publication-year { scroll-margin-top: 94px; }
.publication-year + .publication-year { margin-top: 82px; }
.publication-year-heading { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 32px; align-items: end; margin-bottom: 20px; }
.publication-year-heading span { color: var(--green-dark); font: 700 22px ui-monospace, SFMono-Regular, Menlo, monospace; }
.publication-year-heading h2 { margin: 0; font-size: 30px; }
.achievement-copy h3 { margin: 0 0 12px; max-width: 980px; font-size: 28px; line-height: 1.16; }

.flagship-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--dark-line); border-left: 1px solid var(--dark-line); }
.flagship { min-height: 410px; padding: 24px; display: flex; flex-direction: column; border-right: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); text-decoration: none; transition: background .2s ease; }
.flagship:hover { background: #172222; }
.flagship .index { color: #7f9290; font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.flagship-mark { width: 52px; height: 52px; margin: 66px 0 30px; display: grid; place-items: center; color: var(--ink); background: var(--green); border-radius: 4px; font-weight: 850; }
.flagship:nth-child(2) .flagship-mark { background: var(--coral); }
.flagship:nth-child(3) .flagship-mark { background: var(--cyan); }
.flagship:nth-child(4) .flagship-mark { background: var(--amber); }
.flagship-mark img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(1); }
.flagship h3 { margin: 0 0 12px; font-size: 28px; }
.flagship p { margin: 0; color: #9fadaa; }
.flagship .open { margin-top: auto; padding-top: 28px; color: var(--green); font-size: 13px; font-weight: 800; }

.directory { background: var(--paper); }
.filterbar { margin-bottom: 20px; display: flex; gap: 7px; flex-wrap: wrap; }
.filter { min-height: 40px; padding: 8px 13px; color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: 4px; font-size: 13px; font-weight: 800; cursor: pointer; }
.filter span { margin-left: 6px; color: inherit; opacity: .7; }
.filter:hover, .filter:focus-visible, .filter.active { color: var(--white); background: var(--ink); border-color: var(--ink); }
.repo-list { border-top: 1px solid var(--line); }
.repo-row { min-height: 72px; padding: 15px 12px; display: grid; grid-template-columns: minmax(220px,1.1fr) minmax(260px,1.7fr) 110px 24px; gap: 22px; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; }
.repo-row:hover { background: var(--white); }
.repo-row[hidden] { display: none; }
.repo-name { font-size: 17px; font-weight: 800; }
.repo-role { color: var(--muted); }
.tag { width: max-content; padding: 4px 7px; color: #81422e; background: #f5d5ca; border-radius: 3px; font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; }
.tag-green { color: #34560c; background: #dfeebf; }
.tag-amber { color: #694a05; background: #f4e1ae; }
.tag-cyan { color: #105456; background: #c9e8e7; }
.arrow { color: var(--muted); }

.baselines { background: var(--white); }
.baseline-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.baseline-grid a { min-height: 142px; padding: 22px; display: grid; grid-template-columns: 1fr auto; gap: 6px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.baseline-grid a:hover { background: #eef4f1; }
.baseline-grid strong { font-size: 18px; }
.baseline-grid span { grid-column: 1 / -1; color: var(--muted); }
.baseline-grid em { color: var(--muted); font: normal 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; }

.ecosystem { color: var(--white); background: #111819; }
.architecture { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--dark-line); border-left: 1px solid var(--dark-line); }
.architecture a { min-height: 210px; padding: 22px; display: flex; flex-direction: column; border-right: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); text-decoration: none; }
.architecture a:hover, .architecture .active { background: #1a2626; }
.architecture span { color: #778986; font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.architecture strong { margin-top: 62px; font-size: 24px; }
.architecture small { margin-top: 8px; color: #9fadaa; font-size: 13px; }
.architecture .active { box-shadow: inset 0 4px var(--green); }
.architecture .active span, .architecture .active strong { color: var(--green); }

footer { min-height: 130px; padding: 34px max(4vw, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 28px; color: var(--white); background: #080d0e; }
footer > div { display: flex; align-items: baseline; gap: 18px; }
footer strong { font-size: 20px; }
footer span, footer nav { color: #82918f; }

@media (max-width: 1000px) {
  .site-header nav a:not(.nav-action) { display: none; }
  .site-header .nav-action { display: none; }
  .mobile-nav {
    position: absolute;
    z-index: 19;
    top: 72px;
    left: 0;
    right: 0;
    min-height: 48px;
    padding: 0 max(4vw, 16px);
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    color: #aebdbc;
    background: rgba(7,11,12,.94);
    border-bottom: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(14px);
  }
  .mobile-nav a {
    min-width: 0;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: inherit;
    border-bottom: 2px solid transparent;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
  }
  .mobile-nav a:hover, .mobile-nav a:focus-visible, .mobile-nav .active {
    color: var(--white);
    border-bottom-color: var(--green);
  }
  .hero-metrics { position: relative; right: auto; bottom: auto; margin-top: 46px; }
  .hero { align-content: end; }
  .scope-rail { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .flagship-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .baseline-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .architecture { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .site-header { min-height: 64px; }
  .mobile-nav { top: 64px; }
  .brand small { display: none; }
  .hero { min-height: 820px; padding-top: 112px; }
  .hero-media { object-position: 62% center; }
  .hero-shade { background: rgba(7,11,12,.72); }
  h1 { font-size: 68px; }
  .page-hero-copy { width: auto; max-width: calc(100vw - 32px); min-width: 0; }
  .page-hero h1 { font-size: 54px; }
  .hero-kicker { font-size: 27px; }
  .hero-summary { font-size: 16px; }
  .hero-metrics { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .hero-metrics div { padding-left: 10px; }
  .hero-metrics dt { font-size: 20px; }
  .scope-rail { grid-template-columns: 1fr 1fr; }
  .scope-rail span { min-height: 58px; padding: 14px; }
  .section { padding-top: 74px; padding-bottom: 74px; }
  .section-head { grid-template-columns: 1fr; gap: 22px; }
  .section-head h2 { font-size: 40px; }
  .flagship-grid, .baseline-grid, .architecture { grid-template-columns: 1fr; }
  .flagship { min-height: 330px; }
  .flagship-mark { margin-top: 38px; }
  .repo-row { min-height: 92px; grid-template-columns: 1fr auto; gap: 6px 12px; }
  .repo-role { grid-column: 1 / -1; grid-row: 2; }
  .repo-row .tag { grid-column: 1; grid-row: 3; }
  .repo-row .arrow { grid-column: 2; grid-row: 1; }
  .achievement-entry { grid-template-columns: 1fr; gap: 14px; }
  .achievement-status { justify-self: start; }
  .publication-release-line { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .publication-year-heading { grid-template-columns: 1fr; gap: 6px; }
  .achievement-copy h3 { font-size: 23px; overflow-wrap: anywhere; }
  footer { align-items: flex-start; flex-direction: column; }
  footer > div { align-items: flex-start; flex-direction: column; gap: 4px; }
  footer nav { flex-wrap: wrap; gap: 14px 20px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }