@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url("fonts/archivo-latin-variable.woff2") format("woff2-variations"), url("fonts/archivo-latin-variable.woff2") format("woff2");
}

:root {
  --bg: #0c0e0d;
  --bg-raised: #131615;
  --stone: #1a1e1c;
  --line: #262b29;
  --line-strong: #353b38;
  --text: #e7ebe8;
  --text-muted: #9ba49f;
  --text-faint: #8a948e;
  --accent: #3ee67f;
  --accent-hover: #5cf094;
  --accent-ink: #06210f;
  --accent-soft: rgba(62, 230, 127, 0.1);
  --accent-select: rgba(62, 230, 127, 0.28);
  --accent-edge: rgba(62, 230, 127, 0.55);
  --amber: #e8b04b;
  --amber-soft: rgba(232, 176, 75, 0.1);
  --amber-edge: rgba(232, 176, 75, 0.45);
  --gray-soft: rgba(155, 164, 159, 0.1);
  --red: #f08a7a;
  --red-soft: rgba(240, 138, 122, 0.1);
  --mark-line: #48504c;
  --header-bg: rgba(12, 14, 13, 0.82);
  --highlight: rgba(255, 255, 255, 0.04);
  --shadow: rgba(0, 0, 0, 0.7);

  --display: "Archivo", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;

  --radius: 10px;
  --wrap: 1120px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-select); color: var(--text); }

a { color: inherit; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 16px; top: -64px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
}
.skip-link:focus { top: 8px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.icon { width: 16px; height: 16px; flex: none; }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  text-decoration: none;
  font-family: var(--display);
  font-stretch: 112%;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.wordmark-mark { width: 24px; height: 24px; color: var(--text); }
.mark-eyes { fill: var(--accent); }

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}
.header-link:hover { color: var(--text); border-color: var(--line-strong); }

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  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;
  background-position: -1px -1px;
  opacity: 0.45;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 70% 30%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 72px;
}
@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
    padding-top: 48px;
    padding-bottom: 112px;
  }
}

h1 {
  margin: 0;
  max-width: 15ch;
  font-family: var(--display);
  font-size: clamp(2.375rem, 5.6vw, 3.875rem);
  font-stretch: 108%;
  font-weight: 760;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}

.lede {
  max-width: 36ch;
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 1px solid var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--text-faint); background: var(--bg-raised); }

/* Placeholder link marker: build.py adds data-placeholder while a URL in links.json contains REPLACE_ME */

[data-placeholder]::after {
  content: "placeholder URL";
  display: inline-block;
  margin-left: 8px;
  padding: 1px 6px;
  border: 1px dashed var(--amber);
  border-radius: 4px;
  color: var(--amber);
  font-family: var(--sans);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.5;
}

/* Fleet panel, with the gargoyle peering over its top edge */

.panel-wrap {
  position: relative;
  min-width: 0;
  padding-top: 128px;
}
@media (min-width: 600px) { .panel-wrap { padding-top: 176px; } }
@media (min-width: 960px) { .panel-wrap { padding-top: 228px; } }

/* The sentinel: centred over the card, eyes clear of its top edge, body hidden behind it */
.hero-mark {
  position: absolute;
  top: 0;
  left: 50%;
  width: 208px;
  height: 208px;
  transform: translateX(-50%);
  color: var(--mark-line);
  pointer-events: none;
}
.hero-mark path { vector-effect: non-scaling-stroke; }
@media (min-width: 600px) { .hero-mark { width: 288px; height: 288px; } }
@media (min-width: 960px) { .hero-mark { width: 376px; height: 376px; } }

.panel {
  position: relative;
  z-index: 1;
  margin: 0;
  background: linear-gradient(180deg, var(--stone), var(--bg-raised));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 var(--highlight) inset, 0 24px 60px -24px var(--shadow);
}
.panel::before {
  content: "";
  position: absolute;
  top: -1px; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-edge), transparent);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
}
.panel-mark { width: 18px; height: 18px; color: var(--text-faint); }

.example-tag {
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Rows stack: host, state and time on one line, the signal underneath */
.fleet {
  display: block;
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.fleet tbody { display: block; }
.fleet tbody tr {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  column-gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.fleet tbody tr:last-child { border-bottom: 0; }
.fleet th, .fleet td { padding: 0; text-align: left; font-weight: 400; }

.host-id,
.time {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}
.time { justify-self: end; white-space: nowrap; color: var(--text); }
.time-none { color: var(--text-muted); }
.signal {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
  grid-column: 1 / -1;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.8125rem;
}
.signal code {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8125rem;
}

@media (max-width: 420px) {
  .fleet tbody tr { grid-template-columns: auto 1fr; column-gap: 10px; padding: 12px 16px; }
  .time { grid-column: 1 / -1; justify-self: start; margin-top: 8px; font-size: 0.75rem; }
}

.state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  justify-self: start;
  padding: 2px 9px 2px 8px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
}
.state-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.state-observed { color: var(--accent); background: var(--accent-soft); }
.state-stale { color: var(--amber); background: var(--amber-soft); }
.state-unknown { color: var(--text-muted); background: var(--gray-soft); }
.state-unknown .state-dot { background: transparent; border: 1px solid currentColor; }
.state-blocked { color: var(--red); background: var(--red-soft); }
.state-blocked .state-dot { border-radius: 1px; }

.panel-foot {
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* Principles: ruled rows, heading beside its explanation */

.principles { padding: 48px 0 64px; }
@media (min-width: 960px) { .principles { padding: 64px 0 80px; } }

.principle {
  display: grid;
  gap: 10px;
  padding: 28px 0 32px;
  border-top: 1px solid var(--line);
}
.principle:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 860px) {
  .principle {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
    padding: 40px 0 44px;
  }
}
.principle-text { display: grid; gap: 12px; align-content: start; min-width: 0; }

/* Example artifacts beside each principle: show the argument, not just state it */
.snippet {
  min-width: 0;
  margin: 8px 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-raised);
}
@media (min-width: 860px) { .snippet { margin-top: 0; } }
.snippet figcaption {
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.75rem;
}
.snippet pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  tab-size: 2;
}
.snippet .k { color: var(--text-muted); }
.snippet .v { color: var(--text); }
.snippet .ok { color: var(--accent); }
.snippet .warn { color: var(--amber); }
.snippet .no { color: var(--red); }

.principle h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  font-stretch: 106%;
  font-weight: 680;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.principle p {
  max-width: 60ch;
  margin: 0;
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.badge {
  padding: 2px 8px;
  border: 1px solid var(--amber-edge);
  border-radius: 4px;
  color: var(--amber);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* Status */

.status { padding: 0 0 72px; }

.status-inner {
  display: grid;
  gap: 20px;
  align-items: center;
}
.status-inner > * { min-width: 0; }
@media (min-width: 760px) {
  .status-inner { grid-template-columns: auto 1fr auto; gap: 28px; }
}

.status-mark { width: 44px; height: 44px; color: var(--text-faint); }

.status h2 {
  margin: 0 0 4px;
  font-family: var(--display);
  font-size: 1.5rem;
  font-stretch: 106%;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.status p { margin: 0; max-width: 60ch; color: var(--text-muted); }
.status .btn { justify-self: start; }

/* Footer */

.site-footer { border-top: 1px solid var(--line); }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 16px;
  padding-bottom: 16px;
  color: var(--text-faint);
  font-size: 0.875rem;
}
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; gap: 12px; margin-right: -8px; }
.footer-inner nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-inner nav a:hover { color: var(--text); text-decoration: underline; }

/* The one motion moment: the gargoyle's eyes light, then blink now and then.
   Without motion preference they are simply lit. */
@media (prefers-reduced-motion: no-preference) {
  .hero-mark .mark-eyes {
    animation:
      ignite 1.6s var(--ease-out) 0.4s both,
      blink 9s ease-in-out 3s infinite;
  }
  @keyframes ignite {
    from { opacity: 0.12; }
    to { opacity: 1; }
  }
  @keyframes blink {
    0%, 46%, 50%, 100% { opacity: 1; }
    48% { opacity: 0.12; }
  }
}