/* ZKCAP v1 — Foundation: tokens, reset, typography, layout primitives */

:root {
  /* Palette — editorial institutional fintech */
  --paper: #f4efe5;
  --paper-raised: #fbf8f1;
  --paper-deep: #eae3d4;
  --ink: #0f1c2e;
  --navy: #132a44;
  --navy-deep: #0b182a;
  --navy-soft: #1d3a5a;
  --text: #17233a;
  --text-soft: #4d5a70;
  --text-faint: #7a849a;
  --gilt: #9d7b3c;
  --gilt-bright: #bd9752;
  --gilt-wash: #f0e7d4;
  --line: #d9d1c1;
  --line-strong: #bcb2a0;
  --line-ink: rgba(15, 28, 46, 0.16);

  /* Semantic status */
  --ready: #2d6a4f;
  --ready-wash: #e3eee7;
  --work: #8a6420;
  --work-wash: #f4ebd7;
  --review: #46579b;
  --review-wash: #e7eaf5;
  --blocker: #9a3b2e;
  --blocker-wash: #f5e5e0;
  --unknown: #5d687a;
  --unknown-wash: #eaecf0;

  /* Type */
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --fs-display: clamp(2.4rem, 4.4vw, 3.7rem);
  --fs-h1: clamp(1.9rem, 3vw, 2.6rem);
  --fs-h2: clamp(1.45rem, 2.2vw, 1.9rem);
  --fs-h3: 1.16rem;
  --fs-body: 1.0rem;
  --fs-small: 0.9rem;
  --fs-tiny: 0.78rem;
  --lh-body: 1.62;

  /* Spacing (4px base) */
  --s1: 0.25rem; --s2: 0.5rem; --s3: 0.75rem; --s4: 1rem;
  --s5: 1.5rem; --s6: 2rem; --s7: 2.75rem; --s8: 3.5rem; --s9: 5rem; --s10: 7rem;

  /* Shape */
  --r-sm: 3px; --r-md: 6px; --r-lg: 10px; --r-pill: 999px;
  --shadow-1: 0 1px 2px rgba(15, 28, 46, 0.06), 0 4px 14px rgba(15, 28, 46, 0.05);
  --shadow-2: 0 2px 6px rgba(15, 28, 46, 0.08), 0 14px 40px rgba(15, 28, 46, 0.10);
  --shadow-overlay: 0 20px 70px rgba(11, 24, 42, 0.35);

  --measure: 68ch;
  --shell-max: 1200px;
}

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

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--navy-deep);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
a { color: var(--navy-soft); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.16;
  color: var(--ink);
  margin: 0 0 var(--s3);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: 1rem; }
p { margin: 0 0 var(--s4); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 var(--s4); padding-left: 1.2em; }
li { margin-bottom: var(--s2); }
li:last-child { margin-bottom: 0; }

strong { font-weight: 650; color: var(--ink); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: var(--s3) var(--s4);
}
.skip-link:focus { left: var(--s3); top: var(--s3); }

:focus-visible {
  outline: 2px solid var(--gilt);
  outline-offset: 2px;
}

/* Layout primitives */
.wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--s5);
}
.wrap-narrow { max-width: 880px; }
.section { padding-block: var(--s8); }
.section-tight { padding-block: var(--s6); }
.stack > * + * { margin-top: var(--s4); }
.stack-sm > * + * { margin-top: var(--s2); }
.stack-lg > * + * { margin-top: var(--s6); }
.grid { display: grid; gap: var(--s5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s7); }
.row { display: flex; gap: var(--s3); align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: var(--s4); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.measure { max-width: var(--measure); }
.center { text-align: center; }
.mono { font-family: var(--font-mono); font-size: 0.86em; letter-spacing: 0.02em; }

/* Editorial devices */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gilt);
  margin: 0 0 var(--s3);
  display: block;
}
.rule { border: 0; border-top: 1px solid var(--line); margin: var(--s5) 0; }
.rule-ink { border: 0; border-top: 1px solid var(--line-ink); margin: var(--s5) 0; }
.rule-gilt { border: 0; border-top: 2px solid var(--gilt); width: 56px; margin: 0 0 var(--s4); }
.lede { font-size: 1.14rem; color: var(--text-soft); line-height: 1.58; }
.muted { color: var(--text-soft); }
.faint { color: var(--text-faint); font-size: var(--fs-small); }
.numeral {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gilt);
  letter-spacing: 0.08em;
}