/* Flynn — shared design tokens & base styles
   ---------------------------------------------
   warm bone surface, deep ink type, signal-amber accent reserved for
   anomaly / detection moments. Geist + Geist Mono via Google Fonts.
*/

:root {
  /* light theme (fallback) */
  --bone: #f7f5f0;
  --bone-2: #ede9e0;
  --bone-3: #e3ddd1;
  --ink: #14110d;
  --ink-2: #2a2520;
  --mid: #6b665d;
  --mid-2: #8a857a;
  --hair: color-mix(in oklab, var(--ink) 9%, transparent);
  --hair-strong: color-mix(in oklab, var(--ink) 18%, transparent);
  --accent: oklch(0.72 0.19 50);
  --accent-deep: oklch(0.66 0.2 48);
  --accent-tint: oklch(0.94 0.04 60);
  --accent-2: oklch(0.88 0.13 195);
  --accent-2-deep: oklch(0.78 0.13 200);
  --good: oklch(0.88 0.13 195);

  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --max: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 18px;
}

/* dark theme (default) — flips surfaces, keeps tone warm */
:root[data-theme="dark"] {
  --bone: #14110d;
  --bone-2: #1c1813;
  --bone-3: #25201a;
  --ink: #f4efe6;
  --ink-2: #d8d2c5;
  --mid: #8a857a;
  --mid-2: #a8a397;
  --accent: oklch(0.74 0.2 52);
  --accent-deep: oklch(0.82 0.18 60);
  --accent-tint: oklch(0.45 0.12 50);
  --accent-2: oklch(0.9 0.14 195);
  --accent-2-deep: oklch(0.82 0.14 200);
  --good: oklch(0.88 0.14 195);
}

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

html {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "ss02", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  min-height: 100vh;
}

::selection { background: var(--ink); color: var(--bone); }

a { color: inherit; text-decoration: none; }
a.link {
  border-bottom: 1px solid color-mix(in oklab, var(--accent-2) 35%, transparent);
  color: var(--accent-2);
  transition: border-color .2s, color .2s;
}
a.link:hover { color: var(--accent); border-color: var(--accent); }

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

/* ----- type ----- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 1px;
}
.h-display {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.96;
  font-size: clamp(48px, 7.5vw, 116px);
  color: var(--ink);
  margin: 0;
}
.h-display em {
  font-style: normal;
  color: var(--accent-2);
}
.h1 {
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0;
}
.h2 {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.08;
  margin: 0;
}
.h3 {
  font-size: clamp(20px, 1.8vw, 24px);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.2;
  margin: 0;
}
.lede {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  letter-spacing: -0.012em;
  color: var(--ink-2);
  max-width: 56ch;
}
.body { color: var(--ink-2); }
.muted { color: var(--mid); }
.mono { font-family: var(--font-mono); }
.smallcaps {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ----- layout ----- */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section { padding: clamp(80px, 10vw, 160px) 0; }
.section.tight { padding: clamp(48px, 6vw, 88px) 0; }
.rule { border: 0; height: 1px; background: var(--hair); margin: 0; }

.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 72px); }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.5vw, 36px); }
.cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); }
@media (max-width: 880px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
}

/* ----- nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bone) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 18px;
}
.brand-mark {
  width: 56px; height: 56px;
  position: relative;
  object-fit: contain;
  mix-blend-mode: screen;
  flex-shrink: 0;
}
.footer .brand-mark {
  width: 112px; height: 112px;
}
.footer .brand {
  font-size: 72px;
  gap: 20px;
}
.brand-flynn {
  color: var(--accent-2);
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--accent-2);
  letter-spacing: -0.005em;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.cur { color: var(--ink); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border: 1px solid var(--accent-2);
  border-radius: 999px;
  background: var(--accent-2);
  color: #14110d;
  transition: background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #14110d; }
@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ----- buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: -0.005em;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--accent-2);
  background: var(--accent-2);
  color: #14110d;
  cursor: pointer;
  transition: transform .15s, background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #14110d; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn.ghost {
  background: transparent;
  color: var(--accent-2);
  border-color: color-mix(in oklab, var(--accent-2) 40%, transparent);
}
.btn.ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }

/* ----- card ----- */
.card {
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  padding: 28px;
  background: color-mix(in oklab, var(--bone) 60%, white);
  position: relative;
}
.card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mid);
  margin-bottom: 16px;
}

/* ----- footer ----- */
.footer {
  border-top: 1px solid var(--hair);
  padding: 56px 0 40px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a { font-size: 14px; color: var(--accent-2); transition: color .2s; }
.footer a:hover { color: var(--accent); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mid);
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ----- spec table ----- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 22px 0;
  border-top: 1px solid var(--hair);
  vertical-align: top;
}
.spec-table tr:last-child td { border-bottom: 1px solid var(--hair); }
.spec-table th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  width: 18%;
}
.spec-table td.spec { font-family: var(--font-mono); font-size: 14px; width: 22%; }
.spec-table td.what { width: 30%; color: var(--ink-2); }
.spec-table td.why { color: var(--mid); }

/* ----- chip ----- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  color: var(--ink-2);
}
.chip.live::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ----- breadcrumb on sub pages ----- */
.crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  padding-top: 24px;
}
.crumb a { color: var(--accent-2); border-bottom: 1px dotted color-mix(in oklab, var(--accent-2) 35%, transparent); transition: color .2s, border-color .2s; }
.crumb a:hover { color: var(--accent); border-color: var(--accent); }

/* ----- in-content highlight ----- */
.pull {
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.18;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  margin: 32px 0;
  max-width: 30ch;
}

/* ----- KPI ----- */
.kpi {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kpi .v {
  font-family: var(--font-mono);
  font-size: clamp(32px, 4vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
  font-weight: 500;
}
.kpi .v.accent { color: var(--accent-deep); }
.kpi .l {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ----- tag list ----- */
.tag-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid var(--hair-strong);
  border-radius: var(--r-sm);
  color: var(--ink-2);
}