/* =====================================================================
   CAVEMAN ECOSYSTEM — landing page styles
   dark editorial developer aesthetic · single ember accent
   ===================================================================== */

:root {
  /* neutrals — warm near-black, warm off-white */
  --bg-0: oklch(0.13 0.008 60);   /* page background */
  --bg-1: oklch(0.16 0.01 60);    /* raised surface */
  --bg-2: oklch(0.19 0.012 60);   /* card */
  --bg-3: oklch(0.22 0.012 60);   /* card hover / inner */
  --line: oklch(0.28 0.01 60);
  --line-2: oklch(0.34 0.01 60);
  --fg-0: oklch(0.97 0.01 80);    /* primary text */
  --fg-1: oklch(0.82 0.01 80);
  --fg-2: oklch(0.62 0.008 80);
  --fg-3: oklch(0.48 0.008 80);

  /* accent — ember */
  --acc-h: 62;
  --acc-c: 0.15;
  --acc:    oklch(0.78 var(--acc-c) var(--acc-h));
  --acc-1:  oklch(0.86 calc(var(--acc-c) * 0.8) var(--acc-h));
  --acc-dim: oklch(0.55 calc(var(--acc-c) * 0.7) var(--acc-h));
  --acc-bg:  oklch(0.78 var(--acc-c) var(--acc-h) / 0.12);
  --acc-bg-2: oklch(0.78 var(--acc-c) var(--acc-h) / 0.22);

  --ok: oklch(0.82 0.14 150);

  /* type */
  --ff-sans: 'Geist', -apple-system, 'Inter', system-ui, sans-serif;
  --ff-mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --ff-serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;

  /* space */
  --pad: clamp(20px, 4vw, 72px);
  --maxw: 1320px;

  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--ff-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.5;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(1200px 600px at 78% -10%, oklch(0.78 var(--acc-c) var(--acc-h) / 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, oklch(0.78 var(--acc-c) var(--acc-h) / 0.05), transparent 55%),
    var(--bg-0);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

::selection { background: var(--acc-bg-2); color: var(--fg-0); }

/* --- grain overlay --- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9  0 0 0 0 0.85  0 0 0 0 0.7  0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
body[data-grain="0"] .grain { display: none; }

/* --- nav --- */
.nav {
  position: sticky; top: 0; z-index: 50;
  padding: 14px var(--pad);
  background: color-mix(in oklab, var(--bg-0) 84%, transparent);
  backdrop-filter: saturate(130%) blur(10px);
  -webkit-backdrop-filter: saturate(130%) blur(10px);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 60%, transparent);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-0);
}
.brand__mark { width: 22px; height: 22px; color: var(--acc); }
.brand__word { font-weight: 600; }
.brand__dot { color: var(--fg-3); }
.brand__sub { color: var(--fg-2); }
.nav__links {
  display: flex; gap: 26px;
  justify-self: center;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  color: var(--fg-2);
}
.nav__links a { transition: color .15s ease; }
.nav__links a:hover { color: var(--fg-0); }
.nav__cta { display: inline-flex; gap: 10px; align-items: center; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__inner { grid-template-columns: 1fr auto; }
}

/* --- buttons --- */
.btn {
  --pad-y: 10px; --pad-x: 14px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--fg-0);
  background: var(--bg-1);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--fg-2); background: var(--bg-2); }
.btn--solid {
  background: var(--fg-0);
  color: var(--bg-0);
  border-color: var(--fg-0);
  font-weight: 600;
}
.btn--solid:hover { background: var(--acc); border-color: var(--acc); color: oklch(0.15 0 0); }
.btn--ghost { background: transparent; }
.btn--lg { --pad-y: 14px; --pad-x: 18px; font-size: 13.5px; }
.btn__code {
  font-family: var(--ff-mono); font-size: 11.5px;
  padding: 3px 6px;
  background: color-mix(in oklab, var(--bg-0) 70%, transparent);
  color: var(--fg-2);
  border-radius: 3px;
}
.btn--solid:hover .btn__code { background: color-mix(in oklab, var(--bg-0) 40%, transparent); color: var(--bg-0); }

/* --- hero --- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 10vw, 120px) var(--pad) clamp(40px, 6vw, 80px);
  position: relative;
}

.hero__meta {
  display: flex; gap: 10px; align-items: center;
  margin-bottom: 32px;
}
.tag {
  font-family: var(--ff-mono);
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--fg-1);
  background: color-mix(in oklab, var(--bg-1) 50%, transparent);
}
.tag--muted { color: var(--fg-2); border-style: dashed; }

.hero__title {
  font-family: var(--ff-sans);
  font-size: clamp(42px, 7.2vw, 104px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  max-width: 18ch;
  text-wrap: balance;
}
.ital {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--acc);
  letter-spacing: -0.01em;
}
.hero__joke {
  font-family: var(--ff-mono);
  font-size: 13.5px;
  color: var(--fg-2);
  margin: 0 0 20px;
}
.joke__label {
  color: var(--acc-dim);
  margin-right: 10px;
}
.hero__sub {
  max-width: 60ch;
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--fg-1);
  line-height: 1.5;
  margin: 0 0 36px;
  text-wrap: pretty;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: clamp(60px, 8vw, 100px); }

/* hero visual — layered architecture */
.hero__visual {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--bg-1) 60%, transparent), color-mix(in oklab, var(--bg-0) 80%, transparent));
  position: relative;
  overflow: hidden;
}
.hero__visual::before {
  /* grid ruling */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.15;
  pointer-events: none;
}
/* Hero diagram — ecosystem flow */
.diagram { position: relative; }
.diagram__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.diagram__title { color: var(--fg-2); }
.diagram__legend { display: inline-flex; align-items: center; gap: 4px; color: var(--fg-3); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin: 0 4px 0 10px; vertical-align: middle; }
.dot--raw { background: var(--fg-3); }
.dot--acc { background: var(--acc); }

.diagram__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1.15fr;
  gap: 10px;
  align-items: stretch;
}

.node {
  position: relative;
  display: flex; flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg-1) 85%, transparent);
  min-height: 170px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.node:hover { border-color: var(--line-2); background: var(--bg-2); }
.node__kicker {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.node__title {
  font-family: var(--ff-sans);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg-0);
  line-height: 1;
}
.node__sub {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--fg-2);
}
.node__meta {
  margin-top: auto;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-2);
  padding-top: 8px;
}
.node__meta--acc { color: var(--acc); }

.node__bar {
  height: 10px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-top: auto;
}
.node__fill { display: block; height: 100%; }
.node__fill--raw { background: repeating-linear-gradient(90deg, var(--fg-3) 0 6px, transparent 6px 10px); }
.node__fill--acc { background: var(--acc); }

.node__pipes {
  display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
  margin-top: auto;
  font-family: var(--ff-mono);
  font-size: 11px;
}
.node__pipes b {
  font-weight: 500;
  padding: 4px 7px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--fg-1);
}
.node__pipes em {
  color: var(--fg-3);
  font-style: normal;
  padding: 0 2px;
}

.node__chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: auto;
}
.node__chips span {
  font-family: var(--ff-mono);
  font-size: 11px;
  padding: 5px 8px;
  background: color-mix(in oklab, var(--bg-0) 70%, transparent);
  border: 1px solid color-mix(in oklab, var(--acc) 30%, var(--line));
  border-radius: 3px;
  color: var(--fg-0);
}

.node--flag {
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--acc) 12%, var(--bg-1)), var(--bg-1));
  border-color: color-mix(in oklab, var(--acc) 40%, var(--line));
}
.node--flag .node__kicker { color: var(--acc); }

.edge {
  align-self: center;
  display: flex; align-items: center;
  position: relative;
  min-width: 50px;
}
.edge::before,
.edge::after {
  content: "";
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 4px, transparent 4px 7px);
}
.edge span {
  display: inline-block;
  padding: 3px 7px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  text-transform: uppercase;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 3px;
  white-space: nowrap;
}

.diagram__foot {
  display: flex; align-items: center; gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--fg-2);
  flex-wrap: wrap;
}
.diagram__foot .acc { color: var(--acc); }

@media (max-width: 1100px) {
  .diagram__grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .edge {
    flex-direction: column;
    min-width: auto;
    padding: 4px 0;
  }
  .edge::before, .edge::after {
    width: 1px; height: 18px;
    background: repeating-linear-gradient(180deg, var(--line-2) 0 4px, transparent 4px 7px);
  }
  .node { min-height: auto; }
}
.muted { color: var(--fg-3); }
.ok { color: var(--ok); }

/* marquee */
.marquee {
  margin-top: clamp(50px, 6vw, 80px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--fg-2);
  position: relative;
}
.marquee::before, .marquee::after {
  content: "";
  position: absolute; top: 0; bottom: 0; width: 100px;
  z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-0), transparent); }
.marquee::after  { right: 0; background: linear-gradient(-90deg, var(--bg-0), transparent); }
.marquee__track {
  display: inline-flex; gap: 28px;
  padding: 14px 0;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
}
.marquee__track em { color: var(--acc-dim); font-style: normal; }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --- section scaffolding --- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 130px) var(--pad);
  position: relative;
  border-top: 1px solid color-mix(in oklab, var(--line) 60%, transparent);
}
.section__head { max-width: 780px; margin-bottom: 48px; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  padding-bottom: 4px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-2);
}
.eyebrow--accent { color: var(--acc); border-color: var(--acc); }
.section__title {
  font-family: var(--ff-sans);
  font-size: clamp(32px, 4.4vw, 56px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.028em;
  margin: 0 0 20px;
  text-wrap: balance;
}
.section__title--xl {
  font-size: clamp(40px, 6vw, 78px);
}
.section__lede {
  font-size: clamp(15.5px, 1.4vw, 18px);
  color: var(--fg-1);
  max-width: 64ch;
  line-height: 1.55;
  text-wrap: pretty;
  margin: 0;
}
.section__lede--wide { max-width: 76ch; }

/* --- ecosystem overview --- */
.eco-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}
.eco-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: var(--bg-1);
  display: flex; flex-direction: column;
  min-height: 280px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.eco-card:hover { border-color: var(--line-2); background: var(--bg-2); }
.eco-card header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px;
  font-family: var(--ff-mono);
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.eco-card__num { color: var(--fg-0); font-size: 13px; }
.eco-card h3 {
  font-family: var(--ff-sans);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.eco-card p {
  color: var(--fg-1);
  font-size: 14.5px;
  line-height: 1.5;
  margin: 0 0 auto;
  padding-bottom: 20px;
}
.eco-card__facts {
  list-style: none;
  padding: 0; margin: 0 0 18px;
  border-top: 1px dashed var(--line);
}
.eco-card__facts li {
  display: flex; justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
}
.eco-card__facts li span { color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.06em; }
.eco-card__facts li b { color: var(--fg-0); font-weight: 500; }
.eco-card__link {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  color: var(--fg-1);
  border-bottom: 1px solid var(--line-2);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: color .15s ease, border-color .15s ease;
}
.eco-card__link:hover { color: var(--acc); border-color: var(--acc); }

.eco-card--flag {
  background: linear-gradient(180deg, color-mix(in oklab, var(--acc) 14%, var(--bg-1)), var(--bg-1) 60%);
  border-color: color-mix(in oklab, var(--acc) 45%, var(--line));
}
.eco-card--flag header { color: var(--acc); }
.eco-card--flag .eco-card__num { color: var(--acc); }
.eco-card--flag::after {
  content: "flagship";
  position: absolute;
  top: 18px; right: 22px;
  font-family: var(--ff-mono);
  font-size: 10px; letter-spacing: 0.12em;
  color: var(--acc);
  text-transform: uppercase;
}
.eco-card--flag header span:last-child { display: none; }

.eco-join {
  display: flex; flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 6px;
}
.eco-join__line {
  flex: 1;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--line-2) 0 4px, transparent 4px 8px);
  min-height: 40px;
}
.eco-join__label {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
  padding: 4px 8px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 3px;
  white-space: nowrap;
}

@media (max-width: 1200px) {
  .eco-grid { grid-template-columns: 1fr; }
  .eco-join { flex-direction: row; padding: 4px 0; }
  .eco-join__line { width: 100%; height: 1px; min-height: auto; background: repeating-linear-gradient(90deg, var(--line-2) 0 4px, transparent 4px 8px); }
}
@media (max-width: 1020px) {
  .eco-grid { grid-template-columns: 1fr; }
}

/* --- split sections --- */
.section--split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.section--split .section__title { font-size: clamp(30px, 3.4vw, 44px); }
.section--reverse .split__side:first-child { order: 2; }
.split__side--visual { position: sticky; top: 80px; }

.bullets {
  list-style: none;
  padding: 0; margin: 32px 0;
  border-top: 1px solid var(--line);
}
.bullets li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg-1);
  font-size: 15.5px;
  line-height: 1.5;
}
.bullets li b { color: var(--fg-0); font-weight: 500; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .section--split { grid-template-columns: 1fr; }
  .section--reverse .split__side:first-child { order: 0; }
  .split__side--visual { position: static; }
}

/* --- terminal --- */
.terminal {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: oklch(0.10 0.005 60);
  box-shadow: 0 30px 80px -40px oklch(0 0 0 / 0.8), 0 4px 12px -4px oklch(0 0 0 / 0.5);
}
.terminal__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: color-mix(in oklab, var(--bg-1) 80%, black);
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-2);
}
.terminal__dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-2);
}
.terminal__title { margin-left: auto; margin-right: auto; color: var(--fg-3); }
.terminal__body {
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  padding: 22px 24px;
  color: var(--fg-1);
  overflow-x: auto;
}
.tk-c { color: var(--fg-3); font-style: italic; }
.tk-k { color: var(--acc); }
.tk-s { color: oklch(0.82 0.09 140); }
.tk-p { color: var(--acc); }
.tk-m { color: var(--fg-0); }

/* compare block */
.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg-1) 50%, transparent);
}
.compare__col { display: flex; flex-direction: column; gap: 10px; }
.compare__label {
  font-family: var(--ff-mono);
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.compare__num { font-family: var(--ff-mono); font-size: 12px; color: var(--fg-1); }
.compare__arrow { font-family: var(--ff-mono); font-size: 22px; color: var(--acc); }
.compare__block {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
  padding: 8px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 4px;
  min-height: 80px;
}
.compare__block span {
  aspect-ratio: 1;
  border-radius: 2px;
}
.compare__block--before span { background: var(--fg-3); opacity: 0.7; }
.compare__block--after span { background: var(--acc); }

/* --- spec card (cavekit) --- */
.spec {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-1);
  overflow: hidden;
  font-family: var(--ff-mono);
  font-size: 13px;
  box-shadow: 0 30px 80px -40px oklch(0 0 0 / 0.8);
}
.spec__head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: color-mix(in oklab, var(--bg-2) 80%, black);
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
}
.spec__tag {
  padding: 3px 7px;
  background: var(--acc-bg);
  color: var(--acc);
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.05em;
}
.spec__title { color: var(--fg-0); flex: 1; }
.spec__status {
  color: var(--ok);
  font-size: 11px;
  padding: 3px 8px;
  border: 1px solid color-mix(in oklab, var(--ok) 40%, var(--line));
  border-radius: 3px;
}
.spec__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.spec__row:last-child { border-bottom: none; }
.spec__k {
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-3); text-transform: uppercase;
  padding-top: 2px;
}
.spec__v { color: var(--fg-1); line-height: 1.55; font-family: var(--ff-sans); font-size: 14px; }
.spec__v--mono { font-family: var(--ff-mono); font-size: 12.5px; color: var(--fg-2); }
.spec__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.spec__list li {
  display: flex; gap: 10px;
  color: var(--fg-1);
  font-family: var(--ff-mono);
  font-size: 12.5px;
}
.spec__list li code {
  background: var(--bg-0);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11.5px;
  color: var(--fg-0);
}
.spec__chk { color: var(--ok); width: 14px; }
.spec__chk--run { color: var(--acc); }
.spec__chk--todo { color: var(--fg-3); }

/* --- caveman code (flagship) section --- */
.section--flag {
  max-width: var(--maxw);
}
.flag__head { max-width: 880px; margin-bottom: 60px; }

.layers {
  position: relative;
  display: grid;
  gap: 10px;
  margin-bottom: 40px;
}
.layers__spine {
  position: absolute;
  left: 48px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--acc-dim), transparent);
  opacity: 0.5;
}
.lyr {
  display: grid;
  grid-template-columns: 80px 1fr 260px;
  gap: 24px;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-1);
  transition: border-color .2s, transform .2s, background .2s;
}
.lyr:hover {
  border-color: color-mix(in oklab, var(--acc) 50%, var(--line-2));
  background: var(--bg-2);
}
.lyr__num {
  font-family: var(--ff-mono);
  font-size: 22px;
  color: var(--acc);
  font-weight: 500;
  border-right: 1px solid var(--line);
  padding-right: 24px;
}
.lyr__body h3 {
  font-family: var(--ff-sans);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.lyr__body p {
  color: var(--fg-1);
  font-size: 14.5px;
  line-height: 1.5;
  margin: 0 0 10px;
  max-width: 56ch;
}
.lyr__kv {
  display: inline-flex; gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-3);
}
.lyr__kv b { color: var(--fg-1); font-weight: 500; }

.lyr__viz { display: flex; flex-direction: column; gap: 8px; }
.bar {
  position: relative;
  height: 22px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.bar i {
  display: block; height: 100%;
  background: var(--fg-3);
}
.bar--out i { background: var(--acc); }
.bar span {
  position: absolute;
  left: 8px; top: 50%; transform: translateY(-50%);
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--bg-0);
  font-weight: 600;
  mix-blend-mode: screen;
  text-transform: uppercase;
}
.bar--out span { color: oklch(0.12 0 0); mix-blend-mode: normal; }
.bar--in span { color: var(--fg-0); mix-blend-mode: normal; }

@media (max-width: 900px) {
  .lyr { grid-template-columns: 60px 1fr; }
  .lyr__viz { grid-column: 1 / -1; }
}

/* CLI big block */
.cli {
  border: 1px solid color-mix(in oklab, var(--acc) 30%, var(--line));
  border-radius: 10px;
  overflow: hidden;
  background: oklch(0.10 0.005 60);
  box-shadow: 0 50px 100px -40px oklch(0.78 0.2 var(--acc-h) / 0.15),
              0 30px 80px -40px oklch(0 0 0 / 0.8);
}
.cli__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: color-mix(in oklab, var(--bg-1) 80%, black);
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--fg-2);
}
.cli__meter { margin-left: auto; color: var(--acc); }
.cli__body {
  font-family: var(--ff-mono);
  font-size: 13.5px;
  line-height: 1.75;
  margin: 0;
  padding: 28px 32px;
  color: var(--fg-0);
  overflow-x: auto;
}
.cli__body b { color: var(--acc); font-weight: 500; }

/* --- why this matters --- */
.section--why { }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
  margin-top: 20px;
}
.why-col__h {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
}
.problem { list-style: none; padding: 0; margin: 0; }
.problem li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg-1);
  line-height: 1.5;
  font-size: 15px;
}
.problem li > span {
  flex: 0 0 28px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--acc-dim);
  letter-spacing: 0.05em;
  padding-top: 2px;
}
.problem li b { color: var(--fg-0); font-weight: 500; margin-right: 4px; }

.thesis {
  font-family: var(--ff-sans);
  font-size: 18px;
  color: var(--fg-0);
  line-height: 1.5;
  margin: 0 0 20px;
  text-wrap: pretty;
}
.thesis i { font-family: var(--ff-serif); font-style: italic; color: var(--acc); font-size: 1.05em; }
.thesis--aside {
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--fg-2);
  padding-top: 20px;
  margin-top: 24px;
  border-top: 1px dashed var(--line);
}

@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* --- architecture grid --- */
.arch {
  display: grid;
  grid-template-columns: 120px repeat(4, minmax(0, 1fr));
  grid-template-rows: auto repeat(4, minmax(72px, auto));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-1);
  font-family: var(--ff-mono);
  font-size: 13px;
}
.arch__col {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: 1 / -1;
  border-right: 1px solid var(--line);
  min-width: 0;
}
.arch__col:last-child { border-right: none; }
.arch__col--labels { background: var(--bg-0); }
.arch__col--flag { background: color-mix(in oklab, var(--acc) 8%, var(--bg-1)); }

.arch__head {
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--fg-0);
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
  line-height: 1.3;
}
.arch__head span { color: var(--fg-3); font-size: 11.5px; font-weight: 400; }
.arch__col--flag .arch__head { color: var(--acc); }

.arch__lbl, .arch__cell {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center;
  line-height: 1.45;
  word-break: break-word;
}
.arch__col > :last-child { border-bottom: none; }
.arch__lbl {
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  justify-content: flex-end;
}
.arch__lbl:first-child { background: var(--bg-0); }
.arch__cell { color: var(--fg-1); }
.arch__cell--empty { color: var(--fg-3); justify-content: center; }
.arch__cell--prim { background: color-mix(in oklab, var(--acc) 6%, transparent); color: var(--fg-0); }
.arch__cell--work { background: color-mix(in oklab, var(--acc) 10%, transparent); color: var(--fg-0); }
.arch__cell--app { background: color-mix(in oklab, var(--acc) 16%, transparent); color: var(--acc); font-weight: 500; }
.arch__cell--model { color: var(--fg-2); }

.arch__note {
  margin-top: 28px;
  padding: 18px 22px;
  border: 1px dashed var(--line-2);
  border-radius: 6px;
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.6;
  max-width: 90ch;
}

@media (max-width: 900px) {
  .arch {
    display: block;
    grid-template-columns: none;
    grid-template-rows: none;
    overflow-x: hidden;
  }
  .arch__col {
    display: block;
    grid-row: auto;
    grid-template-rows: none;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .arch__col:last-child { border-bottom: none; }
  .arch__col--labels { display: none; }
  .arch__head { background: var(--bg-2); }
  .arch__cell {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 12px;
    align-items: center;
  }
  .arch__cell::before {
    content: attr(data-label);
    color: var(--fg-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10.5px;
  }
}

/* --- traction --- */
.stats {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  padding: 40px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-1);
  margin-bottom: 32px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__k {
  font-family: var(--ff-sans);
  font-size: clamp(32px, 3.6vw, 48px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--fg-0);
  line-height: 1;
}
.stat__l {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  color: var(--acc);
  letter-spacing: 0.04em;
}
.stat__sub { font-size: 13px; color: var(--fg-3); }
.stat__div { width: 1px; align-self: stretch; background: var(--line); }

.repos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.repo {
  display: block;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-1);
  transition: border-color .15s, background .15s;
}
.repo:hover { border-color: var(--line-2); background: var(--bg-2); }
.repo__top {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 10px;
  font-family: var(--ff-mono);
  font-size: 13px;
}
.repo__path { color: var(--fg-2); }
.repo__path b { color: var(--fg-0); font-weight: 500; }
.repo__star { color: var(--acc); font-size: 12.5px; }
.repo p { color: var(--fg-1); font-size: 14px; margin: 0 0 14px; line-height: 1.5; }
.repo__meta {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-3);
  display: flex; gap: 8px; align-items: center;
}
.repo__meta i { width: 3px; height: 3px; background: var(--fg-3); border-radius: 50%; display: inline-block; }
.repo--flag { border-color: color-mix(in oklab, var(--acc) 40%, var(--line)); }
.repo--flag .repo__star { color: var(--acc); }

@media (max-width: 1100px) {
  .repos { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; gap: 24px; padding: 28px 22px; }
  .stat__div { display: none; }
  .repos { grid-template-columns: 1fr; }
}

/* --- final CTA --- */
.section--cta { padding-bottom: clamp(80px, 10vw, 160px); }
.cta {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  padding: clamp(40px, 6vw, 80px);
  border: 1px solid color-mix(in oklab, var(--acc) 30%, var(--line));
  border-radius: 12px;
  background:
    radial-gradient(600px 300px at 100% 0%, var(--acc-bg), transparent 70%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.1; pointer-events: none;
}
.cta > * { position: relative; z-index: 1; }
.cta__title {
  font-family: var(--ff-sans);
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.032em;
  margin: 0 0 18px;
}
.cta__sub {
  color: var(--fg-1);
  font-size: 17px;
  line-height: 1.5;
  max-width: 46ch;
  margin: 0 0 28px;
  text-wrap: pretty;
}

.install {
  display: grid;
  gap: 6px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: oklch(0.10 0.005 60);
  font-family: var(--ff-mono);
  font-size: 13px;
}
.install__label {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-top: 8px;
}
.install__label:first-child { margin-top: 0; }
.install__line {
  display: block;
  padding: 10px 14px;
  background: color-mix(in oklab, var(--bg-1) 80%, black);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--fg-0);
  overflow-x: auto;
}
.install__line--muted { color: var(--fg-2); }

@media (max-width: 900px) {
  .cta { grid-template-columns: 1fr; }
}

/* --- footer --- */
.foot {
  border-top: 1px solid var(--line);
  padding: 48px var(--pad) 32px;
  background: var(--bg-0);
}
.foot__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.foot__brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-1);
}
.foot__brand svg { color: var(--acc); }
.foot__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.foot__cols h5 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 12px;
}
.foot__cols a {
  display: block;
  font-size: 13.5px;
  color: var(--fg-1);
  padding: 4px 0;
}
.foot__cols a:hover { color: var(--acc); }
.foot__legal {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between;
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-3);
}
@media (max-width: 700px) {
  .foot__inner { grid-template-columns: 1fr; }
  .foot__cols { grid-template-columns: 1fr 1fr; }
}

/* --- tweaks panel (hidden unless activated) --- */
.tweaks {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 260px;
  padding: 16px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg-1) 92%, black);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px oklch(0 0 0 / 0.6);
  font-family: var(--ff-mono);
  font-size: 12px;
  z-index: 200;
  display: none;
}
body.tweaks-on .tweaks { display: block; }
.tweaks header {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.tweaks header b { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.tweaks label {
  display: block; margin-bottom: 12px;
  color: var(--fg-2);
}
.tweaks label > span { display: block; margin-bottom: 6px; font-size: 11px; color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.06em; }
.tweaks input[type=range] { width: 100%; accent-color: var(--acc); }
.tweaks output { font-size: 11px; color: var(--acc); }
.tweaks .tk-row { display: flex; justify-content: space-between; align-items: center; }
.tweaks .tk-row > span { margin-bottom: 0; }
.tweaks select, .tweaks input[type=checkbox] {
  background: var(--bg-0);
  color: var(--fg-0);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  padding: 4px 6px;
  font-family: inherit;
  font-size: 11.5px;
}

/* density tweak */
body[data-density="compact"] .section { padding-top: clamp(40px, 6vw, 80px); padding-bottom: clamp(40px, 6vw, 80px); }
body[data-density="compact"] .hero { padding-top: clamp(32px, 6vw, 80px); padding-bottom: clamp(24px, 4vw, 50px); }

/* humor tweak */
body[data-humor="none"] .hero__joke,
body[data-humor="none"] .thesis--aside,
body[data-humor="none"] .foot__legal .muted { display: none; }
body[data-humor="cave"] .hero__joke::after {
  content: "  ugh.";
  color: var(--acc-dim);
}

/* =====================================================================
   SCROLL + FOCUS + MOTION DEFAULTS
   ===================================================================== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee__track { animation: none !important; }
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 3px;
  border-radius: 6px;
}

/* disable sticky hover tricks on touch */
@media (hover: none) and (pointer: coarse) {
  .node:hover, .eco-card:hover, .lyr:hover, .repo:hover {
    transform: none;
    background: var(--bg-1);
  }
}

/* =====================================================================
   COMING SOON — live ember pulse
   ===================================================================== */
.soon {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc);
  padding: 5px 11px 5px 10px;
  border: 1px solid color-mix(in oklab, var(--acc) 45%, var(--line));
  border-radius: 999px;
  background: color-mix(in oklab, var(--acc) 10%, var(--bg-0));
  line-height: 1;
  white-space: nowrap;
}
.soon::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 55%, transparent);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
.soon--lg { font-size: 11.5px; padding: 7px 13px 7px 12px; letter-spacing: 0.12em; }
.soon--lg::before { width: 8px; height: 8px; }
.soon--ghost {
  background: transparent;
  border-color: color-mix(in oklab, var(--acc) 35%, var(--line));
}
@keyframes soonPulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 55%, transparent); }
  70%  { box-shadow: 0 0 0 9px color-mix(in oklab, var(--acc) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 0%, transparent); }
}

/* hero meta coming soon tag */
.tag--soon {
  color: var(--acc);
  border-color: color-mix(in oklab, var(--acc) 40%, var(--line));
  background: color-mix(in oklab, var(--acc) 8%, var(--bg-1));
  display: inline-flex; align-items: center; gap: 7px;
}
.tag--soon::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 55%, transparent);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* hero CTA: coming-soon styling of the primary button */
.btn--soon {
  position: relative;
  background: color-mix(in oklab, var(--acc) 18%, var(--bg-1));
  color: var(--fg-0);
  border-color: color-mix(in oklab, var(--acc) 55%, var(--line-2));
}
.btn--soon:hover {
  background: color-mix(in oklab, var(--acc) 28%, var(--bg-1));
  border-color: var(--acc);
  color: var(--fg-0);
}
.btn--soon .btn__code {
  background: color-mix(in oklab, var(--bg-0) 60%, transparent);
  color: var(--acc);
}
.btn--soon::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 55%, transparent);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  margin-right: 2px;
}

/* ecosystem flagship card — coming soon corner stamp */
.eco-card--flag::after {
  content: "coming soon";
  top: 14px; right: 16px;
  padding: 4px 10px 4px 18px;
  background: color-mix(in oklab, var(--acc) 14%, var(--bg-0));
  border: 1px solid color-mix(in oklab, var(--acc) 40%, var(--line));
  border-radius: 999px;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: var(--acc);
}
.eco-card--flag { overflow: hidden; }
.eco-card--flag::before {
  content: "";
  position: absolute;
  top: 20px; right: 95px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 50%, transparent);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  z-index: 2;
}
/* restore flagship role tag now that corner signals soon */
.eco-card--flag header span:last-child { display: inline; color: var(--acc); }

/* repo card coming-soon (flagship) */
.repo--flag .repo__star { letter-spacing: 0.1em; }

/* flagship section status block under the big title */
.flag__status {
  display: flex; align-items: flex-start; gap: 14px;
  margin: 4px 0 22px;
  padding: 14px 16px;
  border: 1px solid color-mix(in oklab, var(--acc) 30%, var(--line));
  border-radius: 10px;
  background:
    linear-gradient(90deg, color-mix(in oklab, var(--acc) 10%, var(--bg-0)), color-mix(in oklab, var(--acc) 2%, var(--bg-0)));
  max-width: 780px;
}
.flag__status-text {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-1);
  text-wrap: pretty;
}

/* traction stat — coming soon variant */
.stat--soon .stat__k {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--acc);
  letter-spacing: -0.02em;
}
.stat__pulse {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--acc) 55%, transparent);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  transform: translateY(-2px);
}

/* repo card: compact soon chip in the top-right */
.repo__top .soon {
  font-size: 10px;
  padding: 3px 8px 3px 7px;
  letter-spacing: 0.12em;
}
.repo__top .soon::before { width: 6px; height: 6px; }

/* CLI: shipping soon ribbon */
.cli__soon {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc);
  margin-left: auto;
  padding-right: 4px;
}
.cli__soon::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--acc);
  animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* install block repurposed as "coming soon" preview */
.install {
  padding: 0;
  overflow: hidden;
}
.install__banner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, color-mix(in oklab, var(--acc) 12%, var(--bg-0)), color-mix(in oklab, var(--acc) 4%, var(--bg-0)));
}
.install__watch {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--fg-1);
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg-0) 60%, transparent);
  transition: color .15s ease, border-color .15s ease;
}
.install__watch:hover { color: var(--acc); border-color: var(--acc); }
.install__body {
  padding: 20px 22px 22px;
  display: grid; gap: 6px;
  font-family: var(--ff-mono);
  font-size: 13px;
  position: relative;
}
.install__body .install__label:first-child { margin-top: 0; }
.install__preview-note {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px dashed color-mix(in oklab, var(--acc) 35%, var(--line));
  border-radius: 6px;
  color: var(--fg-2);
  font-size: 11.5px;
  line-height: 1.5;
  background: color-mix(in oklab, var(--acc) 4%, transparent);
}
.install__body .install__line { opacity: 0.78; }

/* --- locked / classified install preview --- */
.install--locked .install__body { overflow: hidden; }
.install__redacted {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 4px 0 2px;
  filter: blur(3.5px) saturate(0.85);
  user-select: none;
  pointer-events: none;
  -webkit-user-select: none;
  mask-image: linear-gradient(180deg, #000 0%, #000 82%, rgba(0,0,0,0.55) 100%);
          mask-image: linear-gradient(180deg, #000 0%, #000 82%, rgba(0,0,0,0.55) 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 82%, rgba(0,0,0,0.55) 100%);
}
.install__line--redacted {
  letter-spacing: 0.02em;
}
.redact {
  display: inline-block;
  background: color-mix(in oklab, var(--fg-0) 85%, var(--acc));
  color: transparent;
  border-radius: 2px;
  padding: 0 2px;
  text-shadow: 0 0 8px color-mix(in oklab, var(--acc) 60%, transparent);
  vertical-align: baseline;
}
.install__seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-4deg);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid color-mix(in oklab, var(--acc) 55%, var(--line-2));
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg-0) 78%, transparent);
  backdrop-filter: blur(6px) saturate(1.1);
  -webkit-backdrop-filter: blur(6px) saturate(1.1);
  color: var(--fg-0);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: 0 8px 28px -12px color-mix(in oklab, var(--acc) 60%, transparent);
  pointer-events: none;
  white-space: nowrap;
}
.install__seal-icon {
  color: var(--acc);
  flex: 0 0 auto;
}
.install__seal-label { color: var(--fg-1); }

@media (max-width: 560px) {
  .install__seal { font-size: 10px; padding: 8px 12px; gap: 8px; }
  .install__seal-icon { width: 18px; height: 18px; }
}

/* =====================================================================
   NAV — drawer + toggle
   ===================================================================== */
.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column;
  gap: 4px;
  color: var(--fg-0);
  transition: background .15s ease, border-color .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.nav__toggle:hover,
.nav__toggle:focus-visible { background: var(--bg-2); border-color: var(--fg-2); }
.nav__toggle:active { transform: scale(0.97); }
.nav__toggle-bar {
  display: block; width: 20px; height: 1.5px;
  background: currentColor;
  transition: transform .25s cubic-bezier(0.23, 1, 0.32, 1), opacity .18s ease;
  transform-origin: center;
}
body.nav-open .nav__toggle-bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
body.nav-open .nav__toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0.3); }
body.nav-open .nav__toggle-bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav__scrim {
  display: none;
  position: fixed; inset: 0;
  background: color-mix(in oklab, var(--bg-0) 70%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .2s ease;
  z-index: 48;
  pointer-events: none;
}
body.nav-open .nav__scrim {
  opacity: 1;
  pointer-events: auto;
}

/* icon-only variant for compact nav button */
.btn__label-short { display: none; }

/* drawer CTA hidden on desktop */
.nav__drawer-cta { display: none; }

/* inline "soon" chip inside nav link */
.nav__soon {
  display: none;
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc);
  padding: 2px 6px 2px 5px;
  margin-left: 8px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--acc) 14%, var(--bg-0));
  border: 1px solid color-mix(in oklab, var(--acc) 40%, var(--line));
  vertical-align: middle;
}
@media (max-width: 900px) {
  .nav__soon { display: inline-flex; align-items: center; gap: 5px; }
  .nav__soon::before {
    content: "";
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--acc);
    animation: soonPulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }
}

/* =====================================================================
   RESPONSIVE — 900 / 640 / 480
   ===================================================================== */

/* ≤ 900px — tablet + mobile */
@media (max-width: 900px) {
  html { scroll-padding-top: 62px; }

  /* nav */
  .nav { padding: 10px var(--pad); }
  .nav__inner { grid-template-columns: auto 1fr auto; gap: 10px; }
  .nav__scrim { display: block; }
  .nav__toggle { display: inline-flex; }
  .nav__cta { display: none; }

  .nav__links {
    display: flex;
    position: fixed;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px var(--pad) 20px;
    background: color-mix(in oklab, var(--bg-1) 96%, black);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px -24px oklch(0 0 0 / 0.6);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s cubic-bezier(0.23, 1, 0.32, 1), opacity .18s ease;
    z-index: 49;
    font-size: 15.5px;
    color: var(--fg-0);
  }
  body.nav-open .nav__links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links a {
    padding: 14px 4px;
    min-height: 44px;
    display: flex; align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--fg-1);
    letter-spacing: 0;
  }
  .nav__links a:hover { color: var(--acc); }
  body.nav-open { overflow: hidden; }

  /* drawer CTA group — rendered as the last block inside the drawer */
  .nav__drawer-cta {
    display: flex !important;
    flex-direction: column;
    gap: 10px;
    padding-top: 16px;
    margin-top: 8px;
    border-top: 1px solid var(--line);
  }
  .nav__drawer-cta .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 13.5px;
  }
}

/* ≤ 640px — phone */
@media (max-width: 640px) {
  :root { --pad: clamp(18px, 5vw, 28px); }

  .brand__sub { display: none; }
  .brand__dot { display: none; }
  .brand { font-size: 11.5px; }

  /* hero */
  .hero {
    padding-top: clamp(36px, 10vw, 72px);
    padding-bottom: clamp(32px, 6vw, 56px);
  }
  .hero__meta { flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
  .hero__title {
    font-size: clamp(38px, 11vw, 60px);
    line-height: 1.02;
    letter-spacing: -0.032em;
    max-width: none;
    margin-bottom: 20px;
  }
  .hero__title br { display: none; }
  .hero__joke { font-size: 12.5px; margin-bottom: 16px; }
  .hero__sub { font-size: 16px; line-height: 1.55; margin-bottom: 28px; }
  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: clamp(40px, 8vw, 72px);
  }
  .hero__ctas .btn { width: 100%; justify-content: center; min-height: 48px; }
  .hero__ctas .btn__code { display: none; }

  .hero__visual { padding: 16px; margin-top: 28px; border-radius: 10px; }
  .hero__visual::before { background-size: 28px 28px; opacity: 0.08; }
  .diagram__head {
    flex-direction: column; align-items: flex-start;
    gap: 8px; padding-bottom: 12px; margin-bottom: 16px;
  }
  .diagram__grid { gap: 6px; }
  .node { min-height: auto; padding: 14px 14px 12px; gap: 6px; border-radius: 8px; }
  .node__title { font-size: 19px; }
  .node__sub { font-size: 11.5px; }
  .node__meta { font-size: 11px; padding-top: 4px; }
  .node__pipes { font-size: 10.5px; gap: 3px; }
  .node__pipes b { padding: 3px 6px; font-size: 10.5px; }
  .node__chips { grid-template-columns: 1fr 1fr; gap: 5px; }
  .node__chips span { padding: 4px 6px; font-size: 10.5px; }
  .edge { padding: 2px 0; }
  .edge::before, .edge::after { height: 12px; }
  .edge span { font-size: 9.5px; padding: 2px 6px; }
  .diagram__foot { font-size: 11px; gap: 8px; padding-top: 12px; margin-top: 14px; }

  .marquee { margin-top: clamp(32px, 6vw, 56px); }
  .marquee__track { gap: 18px; padding: 12px 0; font-size: 12px; }
  .marquee::before, .marquee::after { width: 50px; }

  /* sections */
  .section { padding-top: clamp(48px, 10vw, 80px); padding-bottom: clamp(48px, 10vw, 80px); }
  .section__head { margin-bottom: 32px; }
  .section__title { font-size: clamp(26px, 7.2vw, 40px); letter-spacing: -0.024em; line-height: 1.04; }
  .section__title--xl { font-size: clamp(32px, 9vw, 52px); }
  .section__lede { font-size: 15.5px; line-height: 1.55; }

  /* ecosystem cards */
  .eco-card { min-height: auto; padding: 18px; border-radius: 8px; }
  .eco-card header { margin-bottom: 18px; }
  .eco-card h3 { font-size: 24px; }
  .eco-card p { font-size: 14px; padding-bottom: 16px; }
  .eco-card__facts { margin-bottom: 14px; }
  .eco-card__facts li { padding: 6px 0; font-size: 11.5px; }
  .eco-card__link { min-height: 32px; }
  .eco-card--flag::after { top: 14px; right: 14px; font-size: 9px; padding: 3px 8px; }

  /* split sections */
  .section--split { gap: 32px; }
  .bullets { margin: 24px 0; }
  .bullets li { padding: 12px 0; font-size: 15px; line-height: 1.5; }
  .row { gap: 10px; }
  .row .btn { flex: 1 1 auto; justify-content: center; min-height: 44px; }

  /* terminal */
  .terminal__body {
    font-size: 11.5px; line-height: 1.65;
    padding: 16px 14px;
  }
  .terminal__bar { padding: 9px 12px; font-size: 11px; }
  .terminal__title { font-size: 10.5px; }

  /* compare */
  .compare { gap: 10px; padding: 14px; }
  .compare__block { padding: 6px; gap: 2px; min-height: 54px; }
  .compare__arrow { font-size: 16px; }
  .compare__num { font-size: 10.5px; }
  .compare__label { font-size: 10px; }

  /* spec card */
  .spec { font-size: 12.5px; }
  .spec__head { padding: 12px 14px; flex-wrap: wrap; gap: 8px; font-size: 11.5px; }
  .spec__title { font-size: 12.5px; }
  .spec__row { grid-template-columns: 64px 1fr; gap: 12px; padding: 12px 14px; }
  .spec__v { font-size: 13px; }
  .spec__v--mono { font-size: 11.5px; }
  .spec__list li { font-size: 11.5px; }

  /* flagship layers */
  .flag__head { margin-bottom: 40px; }
  .layers__spine { display: none; }
  .lyr {
    padding: 16px;
    gap: 14px;
    grid-template-columns: 52px 1fr;
    border-radius: 8px;
  }
  .lyr__num { font-size: 18px; padding-right: 12px; }
  .lyr__body h3 { font-size: 17px; }
  .lyr__body p { font-size: 13.5px; line-height: 1.5; }
  .lyr__kv { font-size: 10.5px; }
  .lyr__viz { grid-column: 1 / -1; margin-top: 2px; }
  .bar { height: 18px; }
  .bar span { font-size: 9.5px; }

  /* CLI */
  .cli__body { font-size: 12px; line-height: 1.7; padding: 20px 16px; }
  .cli__bar { padding: 10px 14px; font-size: 11px; flex-wrap: wrap; gap: 8px; }
  .cli__meter { font-size: 10.5px; }
  .cli__soon { font-size: 10px; }

  /* why */
  .why-grid { gap: 28px; margin-top: 12px; }
  .problem li { padding: 12px 0; font-size: 14.5px; }
  .problem li > span { flex-basis: 24px; font-size: 10.5px; }
  .thesis { font-size: 16.5px; margin-bottom: 16px; }
  .thesis--aside { font-size: 12px; padding-top: 16px; margin-top: 20px; }

  /* architecture */
  .arch { font-size: 12.5px; }
  .arch__head { padding: 12px 14px; font-size: 13px; }
  .arch__head span { font-size: 11px; }
  .arch__cell { padding: 12px 14px; grid-template-columns: 86px 1fr; gap: 10px; font-size: 12.5px; }
  .arch__cell::before { font-size: 10px; }

  /* stats */
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 18px 16px;
    padding: 24px 20px;
    border-radius: 10px;
  }
  .stat__k { font-size: clamp(24px, 8vw, 34px); }
  .stat__l { font-size: 11.5px; }
  .stat__sub { font-size: 12px; }

  /* repos */
  .repo { padding: 16px 18px; }
  .repo__top { font-size: 12.5px; }
  .repo p { font-size: 13.5px; margin-bottom: 12px; }
  .repo__meta { font-size: 11px; }

  /* CTA */
  .section--cta { padding-bottom: clamp(56px, 10vw, 120px); }
  .cta { padding: 28px 22px; border-radius: 12px; gap: 28px; }
  .cta__title { font-size: clamp(34px, 10vw, 52px); line-height: 1.02; margin-bottom: 14px; }
  .cta__sub { font-size: 15.5px; margin-bottom: 22px; }
  .cta .row .btn { flex: 1 1 auto; min-height: 44px; justify-content: center; }

  .install__banner { padding: 10px 14px; }
  .install__body { padding: 18px; font-size: 12.5px; }
  .install__watch { font-size: 11px; padding: 5px 9px; }
  .install__line { font-size: 12px; padding: 9px 12px; }
  .install__preview-note { font-size: 11px; padding: 9px 11px; }

  /* footer */
  .foot { padding: 36px var(--pad) 24px; }
  .foot__inner { gap: 28px; }
  .foot__cols { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .foot__cols h5 { margin-bottom: 10px; }
  .foot__cols a { padding: 6px 0; font-size: 13px; min-height: 30px; display: flex; align-items: center; }
  .foot__legal { flex-direction: column; gap: 8px; align-items: flex-start; padding-top: 18px; margin-top: 20px; font-size: 11px; }

  /* tweaks panel */
  .tweaks {
    left: 10px; right: 10px; bottom: 10px;
    width: auto;
    max-height: 60vh;
    overflow-y: auto;
  }
}

/* ≤ 480px — small phone */
@media (max-width: 480px) {
  :root { --pad: 16px; }

  .hero__title { font-size: clamp(32px, 12vw, 46px); }
  .hero__sub { font-size: 15.5px; }

  .section__title { font-size: clamp(24px, 8vw, 34px); }
  .section__title--xl { font-size: clamp(28px, 10vw, 40px); }

  .cta__title { font-size: clamp(32px, 12vw, 44px); }

  .stats { grid-template-columns: 1fr; gap: 14px; padding: 20px 18px; }
  .stat { padding: 10px 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .stat__k { font-size: 28px; }

  .foot__cols { grid-template-columns: 1fr 1fr; }

  .arch__cell {
    grid-template-columns: 1fr;
    gap: 4px;
    align-items: flex-start;
  }
  .arch__cell::before {
    display: block;
    margin-bottom: 2px;
  }

  .spec__row { grid-template-columns: 1fr; gap: 6px; padding: 12px 14px; }
  .spec__k { padding-top: 0; }

  .diagram__grid { gap: 4px; }

  .compare { grid-template-columns: 1fr; gap: 8px; }
  .compare__arrow { transform: rotate(90deg); justify-self: center; }

  /* ensure buttons remain legible */
  .btn { font-size: 12.5px; }
  .btn--lg { --pad-y: 14px; --pad-x: 16px; font-size: 13.5px; }
}

/* safe-area insets for iOS */
@supports (padding: max(env(safe-area-inset-bottom), 0px)) {
  .foot { padding-bottom: max(28px, env(safe-area-inset-bottom)); }
  body.nav-open .nav__cta { padding-bottom: max(16px, env(safe-area-inset-bottom)); }
  .tweaks { bottom: max(10px, env(safe-area-inset-bottom)); }
}

/* press feedback on buttons (everywhere) */
.btn:active { transform: scale(0.97); }