/* Ajo Ledger site. Colour roles mirror the app (src/palette.ts). */

@font-face { font-family: "Inter"; src: url("/fonts/inter-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  color-scheme: light dark;
  --frame: #0B2545; --on-frame: #FFFFFF;
  --ground: #F5F7FA; --raised: #FFFFFF; --sunken: #EEF1F6;
  --ink: #0B1220; --ink-soft: #5B6576; --ink-faint: #8A94A6;
  --rule: #E3E8EF; --rule-strong: #C9D1DC;
  --accent: #1D4ED8; --accent-strong: #1E40AF; --accent-wash: #E8EEFC; --on-accent: #FFFFFF;
  --paid: #15803D; --paid-wash: #EEF8F1;
  --owing: #B45309; --late: #B91C1C; --late-wash: #FDECEC;
  --radius: 12px; --measure: 64ch;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --frame: #0E1A2E; --on-frame: #E8EDF5;
    --ground: #0B1220; --raised: #111A2B; --sunken: #0E1626;
    --ink: #E8EDF5; --ink-soft: #94A0B4; --ink-faint: #6B778C;
    --rule: #223049; --rule-strong: #33435F;
    --accent: #60A5FA; --accent-strong: #93C5FD; --accent-wash: #16243F; --on-accent: #0B1220;
    --paid: #4ADE80; --paid-wash: #12291C;
    --owing: #FBBF24; --late: #F87171; --late-wash: #2E1616;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 400 16px/1.6 var(--sans);
  font-feature-settings: "cv11", "ss01"; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
code { font: 500 .85rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }

.wrap { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--raised); padding: 8px 12px; z-index: 10; }

h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.022em; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; max-width: var(--measure); }
.eyebrow { font: 600 .74rem/1.3 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin: 0; }
.num { font-variant-numeric: tabular-nums; }

/* masthead */
.top { background: var(--frame); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.mark { display: inline-flex; align-items: center; gap: 10px; color: var(--on-frame); text-decoration: none;
  font: 700 1.08rem/1 var(--sans); letter-spacing: -0.02em; }
.mark:hover { color: var(--on-frame); }
.coin { width: 28px; height: 28px; border-radius: 50%; background: var(--on-frame); color: var(--frame);
  display: grid; place-items: center; font: 700 .85rem/1 var(--sans); }
.top nav { display: flex; gap: 22px; }
.top nav a { color: var(--on-frame); font-weight: 500; text-decoration: none; opacity: .92; }
.top nav a:hover { opacity: 1; text-decoration: underline; color: var(--on-frame); }

main { padding: clamp(40px, 6vw, 72px) 0 72px; display: flex; flex-direction: column; gap: clamp(64px, 9vw, 104px); }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 6vw, 72px); align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 20px; }
.lede { font-size: clamp(1.05rem, 1.7vw, 1.18rem); color: var(--ink-soft); }
.constraint { border-left: 3px solid var(--accent); background: var(--raised); padding: 14px 18px;
  border-radius: 0; max-width: var(--measure); }
.constraint strong { font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px;
  border-radius: 10px; background: var(--accent); color: var(--on-accent); font-weight: 600; text-decoration: none; }
.button:hover { background: var(--accent-strong); color: var(--on-accent); }
.cta small { color: var(--ink-faint); font-size: .88rem; }

.phone { margin: 0; justify-self: center; width: min(100%, 330px); border-radius: 36px; padding: 10px;
  background: #0B1220; box-shadow: 0 1px 2px rgba(11, 18, 32, .08), 0 24px 48px -28px rgba(11, 18, 32, .55); }
.phone img { border-radius: 27px; width: 100%; }
.phone.small { width: min(100%, 300px); }

/* sections */
.section-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.section-head p:not(.eyebrow) { color: var(--ink-soft); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--raised); border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px;
  display: flex; flex-direction: column; gap: 8px; }
.card p { font-size: .95rem; color: var(--ink-soft); }

.how { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(32px, 6vw, 72px); align-items: center; }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px;
  background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.steps li { background: var(--raised); padding: 20px 22px; display: grid; grid-template-columns: auto 1fr; gap: 18px; }
.steps .n { font: 600 .8rem/1 var(--sans); color: var(--accent); background: var(--accent-wash);
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-variant-numeric: tabular-nums; }
.steps p { font-size: .95rem; color: var(--ink-soft); margin-top: 6px; }
.steps.compact li { padding: 16px 18px; }

ul.plain { margin: 0; padding-left: 1.15rem; display: flex; flex-direction: column; gap: 8px; }
ul.plain li { color: var(--ink-soft); max-width: var(--measure); }
ul.plain strong { color: var(--ink); font-weight: 600; }

/* demo */
.demo { background: var(--raised); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.demo-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px;
  padding: 20px 22px; border-bottom: 1px solid var(--rule); background: var(--sunken); }
.demo-head .meta { font-size: .88rem; color: var(--ink-soft); }
.round-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.round-nav .num { min-width: 96px; text-align: center; font-size: .9rem; font-weight: 600; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--rule-strong);
  background: var(--raised); color: var(--ink); padding: 8px 14px; font-size: .9rem; font-weight: 500; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px;
  background: var(--rule); border-bottom: 1px solid var(--rule); }
.tile { background: var(--raised); padding: 15px 18px; display: flex; flex-direction: column; gap: 3px; }
.tile .k { font: 600 .7rem/1.2 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.tile .v { font: 600 1.3rem/1.3 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.tile .v.name { font: 500 1rem/1.5 var(--sans); }
.good { color: var(--paid); } .warn { color: var(--owing); }

.ledger-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 660px; }
th, td { padding: 0; text-align: left; }
thead th { background: var(--raised); border-bottom: 1px solid var(--rule-strong); padding: 11px 10px;
  font: 600 .7rem/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint);
  white-space: nowrap; text-align: center; }
thead th:first-child { text-align: left; padding-left: 16px; }
thead th.now { color: var(--accent); background: var(--accent-wash); }
tbody td { border-bottom: 1px solid var(--rule); }
tbody tr:last-child td { border-bottom: none; }
td.now { background: var(--accent-wash); }
.who { padding: 10px 16px; min-width: 170px; font-weight: 500; font-size: .93rem; }
.cell { width: 100%; height: 46px; border: 0; border-radius: 0; background: transparent; padding: 0; display: grid; place-items: center; }
.cell span { width: 36px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  font-weight: 700; font-size: 1rem; font-family: system-ui, sans-serif; }
.cell:hover:not(:disabled) span { outline: 1px solid var(--rule-strong); }
.cell[data-s="paid"] span { color: var(--paid); background: var(--paid-wash); }
.cell[data-s="late"] span { color: var(--late); background: var(--late-wash); }
.cell[data-s="due"] span { color: var(--owing); }
.cell[data-s="future"] span { color: var(--ink-faint); }
.collects { display: grid; place-items: center; height: 46px; }
.collects span { width: 36px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  border: 1.5px solid var(--accent); background: var(--raised); color: var(--accent); font: 700 .95rem/1 var(--sans); }
.demo-foot { padding: 13px 22px; border-top: 1px solid var(--rule); background: var(--sunken);
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: .82rem; color: var(--ink-soft); }
.legend .g { margin-right: 6px; font-family: system-ui, sans-serif; }
.g.paid { color: var(--paid); } .g.due { color: var(--owing); } .g.late { color: var(--late); } .g.collect { color: var(--accent); font-family: var(--sans); }
.hint { font-size: .8rem; color: var(--ink-faint); }

/* prose pages */
main.prose { max-width: 46rem; gap: 18px; padding-top: clamp(40px, 6vw, 72px); padding-bottom: 72px; }
.prose h2 { font-size: 1.3rem; margin-top: 18px; }
.prose p { color: var(--ink-soft); }
.hash { background: var(--raised); border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px; max-width: none; }
.note { font-size: .92rem; }
table.licences { min-width: 0; font-size: .93rem; }
table.licences td, table.licences th { padding: 10px 12px; border-bottom: 1px solid var(--rule); text-align: left; }
table.licences th { font: 600 .72rem/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); background: none; }

/* footer */
.end { border-top: 1px solid var(--rule); padding: 26px 0 32px; color: var(--ink-faint); font-size: .88rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 820px) {
  .hero, .how { grid-template-columns: 1fr; }
  .phone { width: min(100%, 300px); }
}
@media (max-width: 560px) {
  .steps li { grid-template-columns: 1fr; gap: 10px; }
  .top nav { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}