/* Eunomio hi-fi, shared tokens, typography, chrome.
   Editorial serif headlines + Inter body + warm paper + amber accent. */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..800,0..100&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --paper:       #f7f4ec;
  --paper-soft:  #fdfbf5;
  --paper-deep:  #efeae0;
  --ink:         #1a1712;
  --ink-soft:    #3a352c;
  --ink-mute:    #6f685d;
  --ink-faint:   #b8b0a1;
  --rule:        #27221b;
  --divider:     #d9d2c2;
  --accent:      #c88a2c;
  --accent-soft: #f2d98f;
  --accent-deep: #a06f1e;
  --success:     #4a7a3a;
  --danger:      #b23a2a;
  --dark-bg:     #14110c;
  --dark-fg:     #f3ece0;

  --font-serif: "Fraunces","GT Super","Tiempos Headline",Georgia,"Times New Roman",serif;
  --font-sans:  "Inter","Söhne",ui-sans-serif,system-ui,sans-serif;
  --font-mono:  "JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, .display {
  font-family: var(--font-serif);
  font-weight: 450;
  letter-spacing: -0.02em;
  margin: 0;
  font-feature-settings: "ss01";
  color: inherit;
}
h1, .h1    { font-size: 64px; line-height: 0.98; letter-spacing: -0.03em; font-weight: 450; }
.h1-xl     { font-size: 84px; line-height: 1.04; letter-spacing: -0.035em; font-weight: 380; padding-bottom: 0.12em; }
h2, .h2    { font-size: 40px; line-height: 1.08; letter-spacing: -0.02em; font-weight: 450; }
h3, .h3    { font-size: 22px; line-height: 1.25; letter-spacing: -0.01em; font-weight: 500; font-family: var(--font-sans); }
p { margin: 0; }

em { font-style: italic; }

.eu-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  display: block;
  margin-bottom: 16px;
}

.eu-mono   { font-family: var(--font-mono); }
.eu-serif  { font-family: var(--font-serif); }
.eu-italic { font-style: italic; }
.eu-accent-ink  { color: var(--accent-deep); }
.eu-accent-lume { color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────── */
.eu-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all .15s ease;
  font-family: var(--font-sans);
  text-decoration: none;
  white-space: nowrap;
}
.eu-btn:hover { background: var(--ink); color: var(--paper); }

.eu-btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.eu-btn-primary:hover { background: #000; color: var(--paper); }

.eu-btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-deep);
  box-shadow: 0 1px 0 var(--accent-deep);
}
.eu-btn-accent:hover { background: var(--accent-deep); color: #fff; }

.eu-btn-on-dark {
  border-color: rgba(243,236,224,0.3);
  color: var(--dark-fg);
}
.eu-btn-on-dark:hover { background: rgba(243,236,224,0.12); color: var(--dark-fg); }

.eu-btn-sm { padding: 9px 16px; font-size: 13px; }
.eu-btn-block { width: 100%; justify-content: center; }

/* ── Chips ────────────────────────────────────────────────── */
.eu-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--paper-deep);
  color: var(--ink);
  font-size: 12px;
  border: 1px solid var(--divider);
  font-family: var(--font-sans);
  font-weight: 500;
}
.eu-chip-accent {
  background: rgba(200,138,44,0.12);
  border-color: rgba(200,138,44,0.4);
  color: var(--accent-deep);
}

/* ── Top nav ──────────────────────────────────────────────── */
.eu-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 56px;
  border-bottom: 1px solid var(--divider);
  position: sticky;
  top: 0;
  background: rgba(247, 244, 236, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  z-index: 100;
}
.eu-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.025em;
}
.eu-nav-links { display: flex; gap: 2px; }
.eu-nav-actions { display: flex; gap: 10px; align-items: center; }
.eu-nav-link {
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
  transition: color .12s, background .12s;
}
.eu-nav-link:hover { color: var(--ink); background: var(--paper-deep); }
.eu-nav-link.is-current { color: var(--ink); font-weight: 600; }

/* ── Rules + cards ────────────────────────────────────────── */
.eu-hr { height: 1px; background: var(--divider); border: none; margin: 0; }

.eu-card {
  background: var(--paper-soft);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 28px;
  transition: border-color .18s ease;
}
.eu-card:hover { border-color: var(--ink); }

/* ── Code blocks ──────────────────────────────────────────── */
.eu-code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: #17130d;
  color: #e8e0d0;
  padding: 20px 22px;
  border-radius: 8px;
  overflow: hidden;
}
.eu-code .k { color: var(--accent); }
.eu-code .s { color: #b4c499; }
.eu-code .c { color: var(--ink-mute); }
.eu-code .p { color: #d4a656; }

/* ── GitHub PR mock ───────────────────────────────────────── */
.eu-pr {
  background: var(--paper-soft);
  border: 1px solid var(--divider);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 8px 32px -12px rgba(26,23,18,0.14);
  font-family: var(--font-sans);
}
.eu-pr-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--divider);
  background: var(--paper-deep);
}
.eu-pr-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.eu-pr-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 3px;
  background: currentColor;
}
.eu-pr-status.is-failing { background: rgba(178,58,42,0.12); color: var(--danger); }
.eu-pr-status.is-open    { background: rgba(74,122,58,0.12); color: var(--success); }

.eu-pr-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.eu-pr-diff {
  margin-left: auto;
  font-size: 12px;
  color: var(--ink-mute);
  font-family: var(--font-mono);
}
.eu-pr-body {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.eu-pr-body.is-compact { padding: 12px 18px; }

.eu-pr-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.eu-pr-icon {
  width: 18px;
  height: 18px;
  border-radius: 9px;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.eu-pr-icon.is-ok   { background: rgba(74,122,58,0.12);  color: var(--success); }
.eu-pr-icon.is-fail { background: rgba(178,58,42,0.12);  color: var(--danger); }
.eu-pr-icon.is-idle { background: var(--paper-deep);     color: var(--ink-mute); }
.eu-pr-label { font-weight: 500; color: var(--ink); }
.eu-pr-time  { color: var(--ink-mute); font-family: var(--font-mono); font-size: 12px; }

.eu-pr-callout {
  margin: 0 14px 14px;
  padding: 14px 16px;
  background: rgba(178,58,42,0.05);
  border: 1px solid rgba(178,58,42,0.25);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.eu-pr-callout-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--danger);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 12px;
}
.eu-pr-callout code {
  font-family: var(--font-mono);
  background: var(--paper-deep);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.95em;
}

/* ── Ambient decoration ───────────────────────────────────── */
.eu-grain {
  background-image: radial-gradient(rgba(26,23,18,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
}
.eu-grain-on-dark {
  background-image: radial-gradient(rgba(243,236,224,0.05) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* ── Inline links ─────────────────────────────────────────── */
.eu-link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}
.eu-link:hover { color: var(--accent-deep); }

/* ── Dark section wrapper ─────────────────────────────────── */
.eu-dark {
  background: var(--dark-bg);
  color: var(--dark-fg);
  position: relative;
}
.eu-dark h1, .eu-dark h2, .eu-dark h3 { color: var(--dark-fg); }
.eu-dark .eu-eyebrow { color: var(--accent); }

/* ── Footer ───────────────────────────────────────────────── */
.eu-footer {
  padding: 56px 56px 40px;
  border-top: 1px solid var(--divider);
  background: var(--paper-deep);
}
.eu-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.eu-footer-about {
  font-size: 13.5px;
  color: var(--ink-mute);
  max-width: 280px;
  line-height: 1.55;
}
.eu-footer-col-head { margin-bottom: 14px; }
.eu-footer-link {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 8px;
  text-decoration: none;
}
.eu-footer-link:hover { color: var(--ink); }
.eu-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--ink-mute);
  font-family: var(--font-mono);
}

/* ── Responsive guard-rail ────────────────────────────────── */
@media (max-width: 960px) {
  .eu-nav { padding: 16px 24px; flex-wrap: wrap; gap: 12px; }
  .eu-nav-links { order: 3; width: 100%; overflow-x: auto; }
  .h1-xl { font-size: 56px; line-height: 1.05; }
  h1, .h1 { font-size: 44px; }
  h2, .h2 { font-size: 30px; }
  .eu-footer { padding: 40px 24px 28px; }
  .eu-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}