/*
 * Gabay landing page.
 *
 * Same palette and type as the app: ledger-green paper, pine ink, stamp red,
 * Roboto with Roboto Mono for every figure and rule string. No framework, no
 * build step — the page is three files and deploys as static.
 */

:root {
  --paper: #e9ede6;
  --card: #fcfdfb;
  --sunken: #f1f4ef;
  --ink: #17231d;
  --muted: #5a6a61;
  --rule: #c6d0c4;
  --rule-strong: #9dab9c;
  --accent: #0e5744;
  --accent-soft: #dce8e1;
  --accent-ink: #fcfdfb;
  --stamp: #a63a2b;
  --stamp-soft: #f4e2de;
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1713;
    --card: #17231d;
    --sunken: #131d18;
    --ink: #e7ede7;
    --muted: #9aa9a0;
    --rule: #2c3b33;
    --rule-strong: #42544a;
    --accent: #4fbf9b;
    --accent-soft: #173028;
    --accent-ink: #0f1713;
    --stamp: #e0705c;
    --stamp-soft: #2e1c18;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px; top: 12px; z-index: 10;
  background: var(--accent); color: var(--accent-ink);
  padding: 10px 16px; border-radius: 8px;
}

/* --------------------------------- nav --------------------------------- */

.nav {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 60px; flex-wrap: wrap;
}
.nav nav { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.nav a {
  color: var(--muted); text-decoration: none; font-size: 14.5px;
}
.nav a:hover { color: var(--ink); }
.nav a.cta-small {
  color: var(--accent-ink); background: var(--accent);
  padding: 8px 14px; border-radius: 8px; font-weight: 500;
}
.nav a.cta-small:hover { color: var(--accent-ink); opacity: 0.9; }

.wordmark { font-weight: 700; font-size: 21px; letter-spacing: -0.3px; }
.wordmark.small { font-size: 16px; }

/* --------------------------------- hero --------------------------------- */

.hero { padding: 84px 0 64px; }
.eyebrow, .microline, .ledger-sub {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 11.5px; letter-spacing: 0.7px; text-transform: uppercase;
  color: var(--muted); margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(32px, 5.4vw, 54px); line-height: 1.1;
  letter-spacing: -1.2px; margin: 0 0 14px; max-width: 15ch;
}
.tagline { font-size: 18px; color: var(--accent); font-weight: 500; margin: 0 0 20px; }
.lede { font-size: 19px; max-width: 60ch; color: var(--muted); margin: 0 0 28px; }
.lede em { font-style: italic; color: var(--ink); }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px;
  border: 1px solid var(--rule-strong); color: var(--ink);
  text-decoration: none; font-weight: 500; font-size: 15.5px;
}
.btn:hover { background: var(--sunken); }
.btn.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
}
.btn.primary:hover { opacity: 0.9; background: var(--accent); }
.hero .microline { margin: 0; }

/* -------------------------------- bands -------------------------------- */

.band { padding: 64px 0; border-top: 1px solid var(--rule); }
.band.alt { background: var(--sunken); }

.section-head {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--muted); font-weight: 500; margin: 0 0 22px;
}
h3.big {
  font-size: clamp(23px, 3.2vw, 31px); line-height: 1.22;
  letter-spacing: -0.6px; margin: 0 0 16px; max-width: 22ch;
}
p { margin: 0 0 15px; }

.grid-3 { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-2 { display: grid; gap: 22px 32px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--rule);
  border-radius: 14px; padding: 24px;
}
.card h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -0.3px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

.feature h4 { margin: 0 0 5px; font-size: 16.5px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.ticks { margin: 20px 0 0; padding: 0; list-style: none; }
.ticks li {
  position: relative; padding-left: 26px; margin-bottom: 9px;
  color: var(--muted); font-size: 15.5px;
}
.ticks li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent);
  font-family: "Roboto Mono", monospace; font-weight: 700;
}

/* -------------------------------- ledger -------------------------------- */

.ledger-layout {
  display: grid; gap: 44px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
}

.ledger {
  margin: 0; background: var(--card); border: 1px solid var(--rule);
  border-radius: 14px; padding: 22px 22px 26px;
}
.ledger figcaption { margin-bottom: 16px; }
.ledger-title {
  display: block; font-size: 19px; font-weight: 700; letter-spacing: -0.3px;
}
.ledger-sub { display: block; margin: 2px 0 0; }

.ledger .row {
  display: flex; align-items: baseline; gap: 6px; margin-top: 12px;
}
.ledger .lbl { font-size: 15px; flex-shrink: 0; max-width: 62%; }
.ledger .dots {
  flex: 1; height: 1em;
  border-bottom: 2px dotted var(--rule);
  transform: translateY(-4px);
}
.ledger .amt {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ledger .amt.neg { color: var(--stamp); }
.ledger .rule {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 11.5px; line-height: 1.45; color: var(--muted); margin: 3px 0 0;
}
.ledger .dbl {
  margin-top: 16px; height: 3px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.ledger .total .lbl { font-weight: 700; font-size: 16px; }
.ledger .total .amt { font-weight: 700; font-size: 19px; color: var(--accent); }

/* ------------------------------- callout ------------------------------- */

.callout {
  border: 1px solid var(--rule-strong); background: var(--card);
  border-radius: 12px; padding: 20px; color: var(--muted);
  font-size: 15.5px; margin-top: 22px;
}
.callout strong { color: var(--ink); }

/* ------------------------------ downloads ------------------------------ */

.downloads {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  margin-bottom: 18px;
}
.dl {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--rule-strong);
  border-radius: 12px; padding: 18px 20px;
}
a.dl:hover { border-color: var(--accent); background: var(--accent-soft); }
.dl-kind {
  display: block; font-family: "Roboto Mono", monospace; font-size: 11px;
  letter-spacing: 0.7px; text-transform: uppercase; color: var(--muted);
}
.dl-name { display: block; font-size: 18px; font-weight: 500; margin: 3px 0 2px; }
.dl-note { display: block; font-size: 13px; color: var(--muted); }
.dl.disabled {
  opacity: 0.55; border-style: dashed; cursor: not-allowed;
}

/* -------------------------------- table -------------------------------- */

.sources { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.sources th, .sources td {
  text-align: left; vertical-align: top; padding: 11px 0;
  border-bottom: 1px solid var(--rule); font-weight: 400;
}
.sources th {
  width: 34%; padding-right: 18px; font-weight: 500; font-size: 15px;
}
.sources td {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 13px; color: var(--muted); line-height: 1.5;
}

/* -------------------------------- footer -------------------------------- */

.foot { border-top: 1px solid var(--rule); padding: 40px 0 56px; }
.disclaimer {
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 12px; line-height: 1.6; color: var(--muted);
  border-left: 2px solid var(--stamp); padding-left: 14px; max-width: 70ch;
}
.foot-links {
  display: flex; gap: 22px; align-items: center; flex-wrap: wrap;
  margin: 24px 0 10px;
}
.foot-links a { color: var(--accent); text-decoration: none; font-size: 15px; }
.foot-links a:hover { text-decoration: underline; }
.foot-links a.disabled,
.foot-links a[aria-disabled="true"] {
  color: var(--muted); text-decoration: line-through; cursor: not-allowed;
}
.foot .microline { margin: 0; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 56px 0 44px; }
  .band { padding: 48px 0; }
  .nav nav { gap: 14px; }
}

/* ------------------------------- brand ------------------------------- */

.brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  color: var(--ink);
}
.brand img { height: 30px; width: 30px; border-radius: 8px; display: block; }

.hero-icon {
  width: 76px; height: 76px; border-radius: 18px;
  display: block; margin-bottom: 22px;
}

.foot-mark { width: 30px; height: 30px; border-radius: 8px; display: block; }

@media (max-width: 640px) {
  .brand img { height: 26px; width: 26px; }
  .hero-icon { width: 62px; height: 62px; }
}