/* Lugnut website. Layout: a slim dark workshop band for navigation, wide hero with a receipt-to-record
   illustration, then a single reading column for docs and guides. Signal orange is the one accent. */
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url("/fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-display: swap; src: url("/fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 400; font-display: swap; src: url("/fonts/public-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 600; font-display: swap; src: url("/fonts/public-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-weight: 700; font-display: swap; src: url("/fonts/public-sans-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url("/fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2"); }

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --sunk: #ecece8;
  --fg: #1d2024;
  --muted: #5a6069;
  --line: #dadad4;
  --accent: #c24705;
  --accent-fill: #e4570b;
  --on-accent: #ffffff;
  --band: #23272d;
  --band-fg: #f2f2ef;
  --band-muted: #b9bdc4;
  --paper: #fffdf7;
  --ink: #2b2b2b;
  --good: #1e8a50;
  --font-display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Public Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --wide: 1120px;
  --read: 720px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131518; --surface: #1b1e22; --sunk: #0f1113; --fg: #e9e9e6; --muted: #a3a9b1; --line: #2f3339;
    --accent: #ff8340; --accent-fill: #ff6b1a; --on-accent: #131518; --band: #0c0e10; --band-fg: #f2f2ef; --band-muted: #9aa0a8;
    --paper: #24272b; --ink: #e6e3da; --good: #3ccf7f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 17px/1.65 var(--font-body); }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent-fill); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 20; }

.wrap { max-width: var(--wide); margin: 0 auto; }
.pad { padding-left: var(--gutter-l); padding-right: var(--gutter-r); }

/* Navigation band */
.band { background: var(--band); color: var(--band-fg); }
.nav { display: flex; align-items: center; gap: 8px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--band-fg); text-decoration: none;
  font: 700 1.6rem/1 var(--font-display); letter-spacing: 0.02em; margin-right: auto; }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; padding: 0; }
.nav ul a { color: var(--band-fg); text-decoration: none; font-weight: 600; font-size: 0.95rem; padding: 6px 0; display: inline-block; }
.nav ul a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent-fill); }
.langs { display: flex; gap: 4px; }
.langs a { color: var(--band-muted); text-decoration: none; font: 600 0.78rem/1 var(--font-body); letter-spacing: 0.08em;
  text-transform: uppercase; border: 1px solid #ffffff2e; border-radius: 6px; padding: 7px 9px; }
.langs a[aria-current="true"] { background: var(--accent-fill); border-color: var(--accent-fill); color: #fff; }

/* Type */
h1, h2, h3 { text-wrap: balance; }
h1 { font: 700 clamp(2.5rem, 6.4vw, 4.1rem)/1.0 var(--font-display); letter-spacing: -0.005em; margin: 0 0 16px; }
h2 { font: 700 clamp(1.8rem, 3.6vw, 2.35rem)/1.08 var(--font-display); margin: 56px 0 12px; }
h3 { font: 700 1.12rem/1.3 var(--font-body); margin: 28px 0 6px; }
p, li { max-width: 68ch; }
.eyebrow { font: 600 0.78rem/1.2 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 52ch; margin: 0 0 24px; }
.mono { font-family: var(--font-mono); font-size: 0.9em; }
.small { font-size: 0.9rem; color: var(--muted); }
code { font-family: var(--font-mono); font-size: 0.88em; background: var(--sunk); padding: 1px 5px; border-radius: 4px; }
.path { font-weight: 600; }

/* Hero */
.hero { padding-block: 56px 40px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero { grid-template-columns: minmax(0, 1fr); padding-block: 36px 24px; gap: 32px; } }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; font: 700 1rem/1 var(--font-body); text-decoration: none;
  border-radius: 10px; padding: 14px 18px; min-height: 48px; }
.btn-store { background: var(--fg); color: var(--bg); }
.btn-store svg { width: 20px; height: 20px; fill: currentColor; }
.btn-store small { display: block; font-weight: 600; font-size: 0.72rem; opacity: 0.75; letter-spacing: 0.04em; margin-bottom: 3px; }
.btn-ghost { color: var(--fg); border: 1.5px solid var(--line); }
.facts { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 0.93rem; }
.facts li::before { content: ""; display: inline-block; width: 7px; height: 7px; background: var(--accent-fill); transform: rotate(45deg); margin-right: 8px; vertical-align: 2px; }

/* Receipt → record illustration */
.scan { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 14px; }
@media (max-width: 520px) { .scan { grid-template-columns: minmax(0, 1fr); } .scan .arrow { transform: rotate(90deg); justify-self: center; } }
.receipt { background: var(--paper); color: var(--ink); font: 500 0.72rem/1.55 var(--font-mono); padding: 18px 16px 22px;
  border-radius: 3px; box-shadow: 0 1px 0 var(--line), 0 12px 28px -14px #0006; transform: rotate(-1.6deg);
  -webkit-mask: radial-gradient(circle 5px at 50% 100%, #0000 98%, #000) 50% 100% / 14px 100% repeat-x; mask: radial-gradient(circle 5px at 50% 100%, #0000 98%, #000) 50% 100% / 14px 100% repeat-x; }
.receipt .r-h { text-align: center; font-weight: 500; letter-spacing: 0.08em; margin-bottom: 8px; }
.receipt .row { display: flex; justify-content: space-between; gap: 10px; }
.receipt .rule { border-top: 1px dashed currentColor; opacity: 0.5; margin: 6px 0; }
.receipt mark { background: color-mix(in srgb, var(--accent-fill) 22%, transparent); color: inherit; border-radius: 2px; padding: 0 2px; }
.arrow { color: var(--accent-fill); width: 34px; height: 34px; }
.record { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; font-size: 0.86rem; display: grid; gap: 8px; }
.record .r-title { font: 700 1.15rem/1.15 var(--font-display); }
.record .r-meta { color: var(--muted); font-size: 0.8rem; }
.record .line { display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); padding-top: 7px; }
.record .line span:last-child, .record .total span:last-child { font-family: var(--font-mono); font-size: 0.82rem; }
.record .total { display: flex; justify-content: space-between; font-weight: 700; border-top: 2px solid var(--fg); padding-top: 8px; }
.record .chip { justify-self: start; font-size: 0.74rem; font-weight: 700; color: var(--good); border: 1.5px solid currentColor; border-radius: 999px; padding: 2px 9px; }
.figcap { font-size: 0.8rem; color: var(--muted); margin-top: 10px; text-align: center; }

/* Feature grid */
.section { padding-block: 8px 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 22px 24px; display: grid; gap: 6px; align-content: start; }
.cell svg { width: 26px; height: 26px; color: var(--accent-fill); }
.cell h3 { margin: 6px 0 0; }
.cell p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.cell .pro { font: 700 0.68rem/1 var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px; margin-top: 16px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.plan.featured { border: 2px solid var(--accent-fill); }
.plan h3 { margin-top: 0; font: 700 1.5rem/1.1 var(--font-display); }
.plan .price { font: 700 1.05rem/1.3 var(--font-body); margin: 4px 0 10px; }
.plan ul { padding-left: 1.1em; margin: 0; }

/* Reading pages */
.page { padding-block: 44px 72px; }
.read { max-width: var(--read); margin: 0 auto; }
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; max-width: var(--wide); margin: 0 auto; }
@media (max-width: 900px) { .docs { grid-template-columns: minmax(0, 1fr); gap: 8px; } }
.toc { position: sticky; top: 20px; align-self: start; font-size: 0.92rem; }
.toc p { font: 600 0.75rem/1 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 6px 0 10px; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.toc a { color: var(--fg); text-decoration: none; }
.toc a:hover { color: var(--accent); }
@media (max-width: 900px) { .toc { position: static; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; } }
.meta { color: var(--muted); font-size: 0.9rem; margin: -4px 0 28px; }
.crumbs { font-size: 0.85rem; color: var(--muted); margin: 0 0 18px; }
.crumbs a { color: var(--muted); }
.note { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent-fill); border-radius: 8px; padding: 14px 16px; margin: 20px 0; }
.note p { margin: 0; }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 10px; }
.steps li { counter-increment: s; position: relative; padding-left: 40px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--fg); color: var(--bg); font: 700 0.82rem/26px var(--font-body); text-align: center; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); margin: 14px 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; background: var(--sunk); }
td.num { font-family: var(--font-mono); font-size: 0.86rem; white-space: nowrap; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
details > :not(summary) { margin-bottom: 0; }
.contact { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 14px 0; }
.contact .mono { font-size: 1rem; word-break: break-all; user-select: all; }
.copy { font: 600 0.88rem/1 var(--font-body); background: var(--accent-fill); color: var(--on-accent); border: 0; border-radius: 8px; padding: 11px 14px; cursor: pointer; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.card { display: grid; gap: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; text-decoration: none; color: var(--fg); }
.card:hover { border-color: var(--accent-fill); }
.card strong { font: 700 1.25rem/1.15 var(--font-display); }
.card span { color: var(--muted); font-size: 0.95rem; }

/* Footer */
footer.site { background: var(--band); color: var(--band-muted); font-size: 0.9rem; margin-top: 40px; }
footer .cols { display: flex; flex-wrap: wrap; gap: 20px 48px; padding-block: 32px; }
footer a { color: var(--band-fg); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer ul { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 6px; }
footer .h { font-weight: 700; color: var(--band-fg); }
footer .legal { border-top: 1px solid #ffffff1f; padding-block: 16px 28px; }
footer .legal p { margin: 0; max-width: 90ch; }

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

/* Summary box on the privacy pages */
.summary { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; display: grid; gap: 10px; margin: 8px 0 8px; }
.summary p { margin: 0; }
table.flows td:first-child { font-weight: 600; min-width: 9em; }

/* Contents list: sidebar on wide screens, a collapsible list under the introduction on phones */
.toc-mobile { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 0 0 8px; }
.toc-mobile ol { padding-left: 1.2em; margin: 10px 0 0; display: grid; gap: 6px; }
.toc-mobile:last-of-type { border-bottom: 1px solid var(--line); }
@media (max-width: 900px) { .toc { display: none; } .toc-mobile { display: block; } }