/* ============================================
   Ledger & Compass — styles.css
   ============================================ */

:root {
  --ink: #16243C;
  --paper: #FAF8F3;
  --paper-raised: #F3EFE6;
  --green: #3D6B4F;
  --clay: #A85C3C;
  --slate: #6B7280;
  --line: #E3DDD0;
  --line-strong: #D3CBB8;

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --max-width: 1120px;
  --prose-width: 680px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Signature: monospace for all numbers and data */
.num, time, .meta-date {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}

/* ---------- Utility bar ---------- */
.utility-bar {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-tape { display: inline-flex; gap: 32px; padding-left: 24px; }
.tick { display: inline-flex; gap: 8px; align-items: center; opacity: 0.85; }
.tick .up { color: #7FBF9A; }
.tick .down { color: #D98F73; }

/* ---------- Header ---------- */
header.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}
.brand .mark {
  display: inline-block;
  width: 9px; height: 9px;
  background: var(--green);
  border-radius: 1px;
  transform: translateY(-1px);
}
.brand .sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
nav.main-nav { display: flex; align-items: center; gap: 36px; }
nav.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  padding: 4px 0;
  position: relative;
}
nav.main-nav a.active { color: var(--green); }
nav.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--green);
}
nav.main-nav a:hover { color: var(--green); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  margin: 4px 0;
}

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 96px;
  padding: 48px 24px 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-brand { font-family: var(--font-display); font-size: 18px; margin-bottom: 8px; }
.footer-tagline { color: var(--slate); font-size: 14px; max-width: 320px; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin: 0 0 12px;
  font-weight: 600;
}
.footer-col a { display: block; font-size: 14px; margin-bottom: 8px; }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--slate);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.prose { max-width: var(--prose-width); }
section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
hr.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 14px;
  display: inline-block;
}
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 16px;
}
h1 { font-size: 48px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
p { margin: 0 0 16px; }
p.lede { font-size: 19px; color: #3A4658; line-height: 1.55; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 13px 22px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #233758; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--ink); }
.btn-arrow { transition: transform 0.15s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }
button.btn { font-family: var(--font-body); }

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
  background: var(--paper);
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--line-strong); }

/* ---------- Tags ---------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 2px;
  background: var(--paper-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  cursor: pointer;
}
.tag-investing  { color: var(--green);  border-color: #C9DACF; background: #EEF4EF; }
.tag-budgeting  { color: var(--clay);   border-color: #E8CFC0; background: #F8EDE6; }
.tag-economics  { color: #4A5D8A;       border-color: #C9D2E8; background: #EEF1F8; }
.tag-market-news{ color: var(--slate);  border-color: var(--line-strong); background: var(--paper-raised); }

/* ---------- Post body ---------- */
.post-body p {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 24px;
  color: var(--ink);
}

/* ---------- Form ---------- */
input, textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
}
input:focus, textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

/* ---------- Loading / empty states ---------- */
.state-msg {
  color: var(--slate);
  text-align: center;
  padding: 48px 0;
  grid-column: 1 / -1;
  font-size: 15px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  nav.main-nav {
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    transform: translateY(-130%);
    transition: transform 0.2s ease;
    z-index: 49;
  }
  nav.main-nav.open { transform: translateY(0); }
  nav.main-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}