/* ─────────────────────────────────────────────────────────────
   GeneralStaff — direction "kimi-a" (editorial ledger)
   Type: Fraunces (display) + Inter (text), both OFL, vendored in ./fonts
   ───────────────────────────────────────────────────────────── */

@font-face {
  font-family: "Fraunces";
  src: url("fonts/fraunces-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("fonts/fraunces-italic-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #faf8f3;
  --paper-raised: #fffefb;
  --ink: #1c1a16;
  --ink-soft: #4c463d;
  --ink-faint: #6f6a5c;
  --hairline: #e2dcd0;
  --hairline-dark: #cfc7b7;
  --green: #1d4d38;
  --green-deep: #143726;
  --green-tint: #eef2ec;
  --btn-fg: #faf8f3;
  --del-fg: #9a3f32;
  --del-bg: #f7ece8;
  --add-fg: #143726;
  --add-bg: #eef2ec;
  --ea-bg: #143726;
  --ea-accent: #8fb8a3;
  --ea-btn-bg: #faf8f3;
  --ea-btn-bg-hover: #e9e4d8;
  --ea-btn-fg: #143726;
  --desk-shadow:
    0 1px 2px rgba(28, 26, 22, 0.05),
    0 18px 48px -24px rgba(28, 26, 22, 0.22);
  --mono: "SFMono-Regular", ui-monospace, "DejaVu Sans Mono", Menlo, monospace;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 420;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--green); color: var(--btn-fg); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 32px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

/* ── Type scale ─────────────────────────────────────────── */
h1, h2 {
  font-family: var(--serif);
  font-weight: 380;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
  letter-spacing: -0.015em;
  line-height: 1.06;
}
h1 em, h2 em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 60, "WONK" 1;
  color: var(--green);
}
h1 { font-size: clamp(44px, 6.2vw, 84px); }
h2 { font-size: clamp(34px, 4.2vw, 56px); margin-bottom: 28px; }

h3 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 640;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
}

p { color: var(--ink-soft); }

/* ── Header ─────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
}
.header-row {
  display: flex; align-items: center; gap: 32px;
  height: 64px;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 560;
  font-variation-settings: "opsz" 144;
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.wordmark-dot { color: var(--green); }
.site-nav { display: flex; gap: 26px; margin-left: auto; }
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 480;
  letter-spacing: 0.015em;
}
.site-nav a:hover { color: var(--green); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 560;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--btn-fg);
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 6px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease;
}
.btn:hover { background: var(--green-deep); border-color: var(--green-deep); }
.btn-small { padding: 8px 16px; font-size: 13.5px; }
.btn-ghost {
  background: transparent;
  color: var(--green);
  border-color: var(--hairline-dark);
}
.btn-ghost:hover { background: var(--green-tint); border-color: var(--green); }

/* ── Hero ───────────────────────────────────────────────── */
.hero { padding: 96px 0 88px; border-bottom: 1px solid var(--hairline); }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 26px;
}
.lede {
  max-width: 680px;
  font-size: 19px;
  line-height: 1.62;
  margin-top: 30px;
}
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.seats-line {
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

/* ── Desk illustration ──────────────────────────────────── */
.desk {
  margin-top: 72px;
  background: var(--paper-raised);
  border: 1px solid var(--hairline-dark);
  border-radius: 12px;
  box-shadow: var(--desk-shadow);
  overflow: hidden;
}
.desk-chrome {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}
.desk-chrome .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--hairline-dark);
}
.desk-title {
  margin-left: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.desk-local {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 99px;
  padding: 2px 10px;
}
.desk-body {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 380px;
}
.desk-seats {
  border-right: 1px solid var(--hairline);
  padding: 20px 18px;
  background: var(--paper);
}
.desk-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.desk-seats ul { list-style: none; }
.seat {
  display: flex; align-items: center; gap: 9px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 2px;
}
.seat.is-active {
  background: var(--green-tint);
  color: var(--green-deep);
  font-weight: 600;
}
.seat-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--hairline-dark);
  flex: none;
}
.seat.is-active .seat-dot { background: var(--green); }
.seat-tag {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.desk-main { padding: 22px 26px 26px; }
.msg {
  max-width: 520px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  background: var(--paper-raised);
}
.msg p { color: var(--ink-soft); }
.msg code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--green-tint);
  color: var(--green-deep);
  padding: 1px 5px;
  border-radius: 4px;
}
.msg-who {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint) !important;
  margin-bottom: 5px;
}
.msg-orch { border-left: 3px solid var(--green); }
.evidence {
  margin-top: 20px;
  border: 1px solid var(--hairline-dark);
  border-radius: 10px;
  padding: 16px 18px;
  background: var(--paper);
}
.diff {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--paper-raised);
}
.diff-file {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  padding: 7px 12px;
  border-bottom: 1px solid var(--hairline);
}
.diff pre {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
  padding: 10px 12px;
  overflow-x: auto;
}
.diff .del { color: var(--del-fg); background: var(--del-bg); display: block; }
.diff .add { color: var(--add-fg); background: var(--add-bg); display: block; }
.evidence-row {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  font-size: 13px;
  color: var(--ink-soft);
}
.evidence-row .ok { color: var(--green); font-weight: 700; }
.evidence-row a { color: var(--green); }

/* ── Sections ───────────────────────────────────────────── */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--hairline);
}
.section-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 22px;
}
.section-lede {
  font-size: 18px;
  line-height: 1.62;
  max-width: 640px;
}
.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.cols-3 > div {
  border-top: 1px solid var(--hairline-dark);
  padding-top: 20px;
}
.cols-3 p, .cols-2 p { font-size: 15.5px; }
.cols-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 44px;
  align-items: start;
}

/* ── Steps ──────────────────────────────────────────────── */
.steps {
  list-style: none;
  margin-top: 52px;
  border-top: 1px solid var(--hairline-dark);
}
.steps li {
  display: grid;
  grid-template-columns: 130px 220px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--hairline);
}
.step-time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.steps h3 { font-size: 17px; font-family: var(--serif); font-weight: 520; margin: 0; }
.steps p { font-size: 15px; max-width: 480px; }

/* ── Verification gate ──────────────────────────────────── */
.section-gate { background: var(--green-tint); border-bottom-color: var(--hairline-dark); }
.evidence-cards {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 52px;
}
.evidence-cards li {
  background: var(--paper-raised);
  border: 1px solid var(--hairline-dark);
  border-radius: 10px;
  padding: 20px;
}
.card-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}
.evidence-cards p:last-child { font-size: 15.5px; color: var(--ink-soft); }

/* ── Your machine ───────────────────────────────────────── */
.check-list { list-style: none; margin-top: 26px; }
.check-list li {
  font-size: 15.5px;
  color: var(--ink-soft);
  padding: 10px 0 10px 30px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.check-list li::before {
  content: "✓";
  position: absolute; left: 2px;
  color: var(--green);
  font-weight: 700;
}
.vendor-box {
  border: 1px solid var(--hairline-dark);
  border-radius: 10px;
  padding: 24px 26px;
  background: var(--paper-raised);
}
.vendor-list { list-style: none; }
.vendor-list li {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 460;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline);
}
.vendor-list li:last-child { border-bottom: 0; }
.vendor-more {
  font-family: var(--sans) !important;
  font-size: 14px !important;
  color: var(--ink-faint) !important;
}

/* ── Open source ────────────────────────────────────────── */
.oss-card {
  border: 1px solid var(--hairline-dark);
  border-radius: 10px;
  padding: 28px;
  background: var(--paper-raised);
}
.oss-card p:last-child { font-size: 15.5px; }

/* ── Early access ───────────────────────────────────────── */
.section-ea { background: var(--ea-bg); border-bottom: 0; }
.section-ea h2, .section-ea .section-lede { color: #faf8f3; }
.section-ea .section-no { color: var(--ea-accent); }
.section-ea .section-lede { opacity: 0.82; }
.ea-inner { max-width: 720px; }
.ea-form {
  display: flex; gap: 12px;
  margin-top: 36px;
}
.ea-form input {
  flex: 1;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 13px 16px;
  outline: none;
}
.ea-form input::placeholder {
  color: var(--ink-soft);
  opacity: 1; /* Firefox otherwise dims placeholders below 4.5:1 */
}
.ea-form input:focus { border-color: var(--ea-accent); }
.ea-form .btn {
  background: var(--ea-btn-bg);
  color: var(--ea-btn-fg);
  border-color: var(--ea-btn-bg);
}
.ea-form .btn:hover { background: var(--ea-btn-bg-hover); border-color: var(--ea-btn-bg-hover); }
.ea-note {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ea-accent);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer { padding: 44px 0 52px; }
.footer-row { display: flex; flex-direction: column; gap: 10px; }
.footer-facts {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.footer-small { font-size: 13px; color: var(--ink-faint); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .cols-3 { grid-template-columns: 1fr; gap: 28px; }
  .cols-2 { grid-template-columns: 1fr; gap: 32px; }
  .evidence-cards { grid-template-columns: 1fr 1fr; }
  .steps li { grid-template-columns: 1fr; gap: 6px; padding: 20px 0; }
  .desk-body { grid-template-columns: 1fr; }
  .desk-seats { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .desk-seats ul { display: flex; flex-wrap: wrap; gap: 4px; }
  .hero { padding: 64px 0 64px; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .steps { padding-inline: 12px; }
  .evidence-cards { grid-template-columns: 1fr; }
  .ea-form { flex-direction: column; }
  .evidence-row { flex-direction: column; gap: 6px; }
  .header-row { gap: 16px; }
  .header-row .btn-small { margin-left: auto; }
}

/* ── Dark scheme ────────────────────────────────────────
   Follows the visitor's system setting. Same warm paper/
   ink/green character, re-balanced for dark rather than
   inverted: the green lightens, the early-access band
   keeps its deep green in both schemes.
   ─────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #17140f;
    --paper-raised: #211c15;
    --ink: #ece5d8;
    --ink-soft: #c6bcab;
    --ink-faint: #a2977f;
    --hairline: #352e23;
    --hairline-dark: #4d4433;
    --green: #93c4a7;
    --green-tint: #202b23;
    --btn-fg: #13211a;
    --del-fg: #e0a198;
    --del-bg: #3d2622;
    --add-fg: #a9d4bb;
    --add-bg: #202b23;
    --desk-shadow:
      0 1px 2px rgba(0, 0, 0, 0.4),
      0 18px 48px -24px rgba(0, 0, 0, 0.6);
  }
  .btn:hover { background: #a9d4bb; border-color: #a9d4bb; }
  .seat.is-active { color: var(--green); }
  .msg code { color: var(--green); }
  .ea-form input { border-color: var(--hairline-dark); }
}