/* ARCADIAN - design tokens & base
   navy ink + single gold accent, warm paper, strong geometric type */

:root {
  /* core palette */
  --navy: #1f2a3d;
  --navy-900: #16202c;
  --navy-800: #1b2636;
  --navy-700: #26344a;
  --navy-600: #34465f;

  /* gold accent - overridable by tweaks (soft/deep derive from --gold) */
  --gold: #c6a23c;
  --gold-soft: color-mix(in srgb, var(--gold) 76%, #ffffff);
  --gold-deep: color-mix(in srgb, var(--gold) 84%, #2a2208);

  /* paper / neutrals (warm) */
  --paper: #f7f5f0;
  --paper-2: #f1ede4;
  --card: #fffdf9;
  --line: #e3ddd1;
  --line-soft: #ece7dc;

  /* text */
  --ink: #1f2a3d;
  --ink-2: #4a5568;
  --ink-3: #757f8e;
  --on-navy: #eef1f5;
  --on-navy-2: #aeb8c6;
  --on-navy-3: #7e8a9b;

  /* type */
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);

  --radius: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 2px rgba(31,42,61,.06), 0 2px 8px rgba(31,42,61,.05);
  --shadow-md: 0 8px 30px rgba(31,42,61,.10), 0 2px 8px rgba(31,42,61,.06);

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

html, body { max-width: 100%; overflow-x: clip; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

/* wide, confident display setting */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 112%;
  letter-spacing: -0.02em;
  line-height: 1.0;
}

p { margin: 0; text-wrap: pretty; }

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

button { font-family: inherit; cursor: pointer; }

/* ---- layout helpers ---- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(64px, 9vw, 130px); }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* dark surfaces */
.on-navy { color: var(--on-navy); }
.on-navy h1, .on-navy h2, .on-navy h3, .on-navy h4 { color: #fff; }

/* hairline */
.rule { height: 1px; background: var(--line); border: 0; }

/* gold A motif as background accent */
.amark {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--gold);
}

/* utility */
.muted { color: var(--ink-2); }
.dim { color: var(--ink-3); }

::selection { background: var(--gold); color: var(--navy); }

/* focus */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* scrollbar (subtle) */
@media (min-width: 900px) {
  body::-webkit-scrollbar { width: 12px; }
  body::-webkit-scrollbar-thumb { background: var(--line); border: 3px solid var(--paper); border-radius: 10px; }
}