/* heartbit.biz — shared styles for every page.
   Palette: heartbit blue #0A66FF on a cool slate scale, matching the dashboard.
   No inline styles anywhere on the site: the Content-Security-Policy only allows this file. */

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/assets/fonts/manrope-latin-wght-normal.woff2") format("woff2-variations"),
       url("/assets/fonts/manrope-latin-wght-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2");
}

:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --card-2: #f1f3f7;
  --ink: #0f1729;
  --ink-2: #414c60;
  --muted: #667185;
  --line: #e2e6ec;
  --line-2: #cdd4de;

  --brand: #0a66ff;
  --brand-ink: #0a4fc4;
  --brand-bg: #ecf3ff;

  --ok: #0d7a63;
  --ok-bg: #e4f4ef;
  --warn: #8a5a00;
  --warn-bg: #fff4dc;

  --code-bg: #0f1729;
  --code-ink: #dbe3ef;
  --code-muted: #8594ab;
  --code-accent: #8dc0ff;
  --code-str: #9df0c6;

  --header-bg: rgba(247, 248, 250, .86);

  --lift: 0 1px 2px rgba(15,23,41,.05), 0 12px 32px -16px rgba(15,23,41,.24);
  --lift-brand: 0 2px 4px rgba(10,102,255,.10), 0 18px 40px -18px rgba(10,102,255,.45);

  --font: "Manrope", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b101a;
    --card: #141b28;
    --card-2: #1b2433;
    --ink: #e8ecf3;
    --ink-2: #b0bacb;
    --muted: #8591a4;
    --line: #263043;
    --line-2: #36435a;
    --brand: #5c99ff;
    --brand-ink: #9bc0ff;
    --brand-bg: #12233d;
    --ok: #4cbfa4;
    --ok-bg: #102b26;
    --warn: #f3ce75;
    --warn-bg: #2e2510;
    --code-bg: #070b12;
    --header-bg: rgba(11, 16, 26, .86);
    --lift: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -16px rgba(0,0,0,.8);
    --lift-brand: 0 2px 4px rgba(0,0,0,.4), 0 18px 40px -18px rgba(92,153,255,.5);
    color-scheme: dark;
  }
}

/* ── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--brand-ink); }
a:hover { color: var(--brand); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
code, pre, kbd { font-family: var(--mono); }
p code, li code, td code {
  font-size: .88em; background: var(--card-2); border: 1px solid var(--line);
  padding: 1px 6px; border-radius: 5px; color: var(--ink); white-space: nowrap;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--brand); color: #fff; padding: 8px 14px; border-radius: 8px; font-weight: 700;
}
.skip-link:focus { top: 12px; color: #fff; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }

/* ── Header ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 800; font-size: 18px; letter-spacing: -.02em;
  color: var(--ink); text-decoration: none;
}
.logo:hover { color: var(--ink); }
.logo-mark { width: 34px; height: 25px; flex: none; color: var(--brand); }
.nav-links { display: flex; gap: 4px; margin-right: auto; }
.nav-links a {
  color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 14.5px;
  padding: 8px 12px; border-radius: 8px;
}
.nav-links a:hover { color: var(--ink); background: var(--card-2); }
.nav-links a[aria-current="page"] { color: var(--brand-ink); }
.nav-actions { display: flex; gap: 10px; align-items: center; }

.menu { display: none; margin-left: auto; }
.menu summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border: 1px solid var(--line-2); border-radius: 10px;
  font-weight: 700; font-size: 14px; color: var(--ink); background: var(--card);
}
.menu summary::-webkit-details-marker { display: none; }
.menu-panel {
  position: absolute; left: 0; right: 0; top: 68px;
  background: var(--card); border-bottom: 1px solid var(--line);
  box-shadow: var(--lift); padding: 12px 24px 20px;
  display: grid; gap: 4px;
}
.menu-panel a {
  color: var(--ink); text-decoration: none; font-weight: 600;
  padding: 11px 4px; border-bottom: 1px solid var(--line);
}
.menu-panel a[aria-current="page"] { color: var(--brand-ink); }
.menu-panel .btn { margin-top: 12px; text-align: center; border-bottom: 1px solid transparent; }

@media (max-width: 880px) {
  .nav-links, .nav-actions { display: none; }
  .menu { display: block; }
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font); font-weight: 700; font-size: 14.5px; line-height: 1.2;
  padding: 10px 18px; border-radius: 10px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: filter .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--lift-brand); }
.btn-primary:hover { color: #fff; filter: brightness(1.07); }
.btn-ghost { color: var(--ink); border-color: var(--line-2); background: var(--card); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-ink); }
.btn-lg { font-size: 16px; padding: 14px 26px; border-radius: 12px; }
@media (prefers-color-scheme: dark) { .btn-primary { background: #0a66ff; } }

/* ── Type ───────────────────────────────────────────────────────────────── */
h1, h2, h3 { text-wrap: balance; }
h1 {
  font-size: clamp(38px, 5.6vw, 60px); font-weight: 800;
  letter-spacing: -.035em; line-height: 1.05; margin: 0 0 20px;
}
h2 {
  font-size: clamp(27px, 3.4vw, 36px); font-weight: 800;
  letter-spacing: -.028em; line-height: 1.15; margin: 0 0 12px;
}
h3 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 8px; }
.lede { font-size: 19px; color: var(--ink-2); line-height: 1.55; max-width: 58ch; margin: 0 0 30px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--brand-ink);
  background: var(--brand-bg); padding: 6px 14px; border-radius: 999px; margin: 0 0 22px;
}
.eyebrow.ok { color: var(--ok); background: var(--ok-bg); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero { padding: 72px 0 24px; }
.hero.center { text-align: center; }
.hero.center .lede { margin-left: auto; margin-right: auto; }
.hero.center h1 { max-width: 17ch; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero.center .hero-cta { justify-content: center; }
.hero-note { font-size: 13.5px; color: var(--muted); margin: 16px 0 0; }

.hero-split {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px; align-items: center;
}
@media (max-width: 960px) { .hero-split { grid-template-columns: 1fr; gap: 40px; } }

/* Illustrations. Vector art in heartbit colours; each carries its own soft backdrop. */
.art { display: block; width: 100%; max-width: 580px; height: auto; margin: 0 auto; }
.art-tall { max-width: 420px; }
.card.has-art { overflow: hidden; }
.card-art { display: block; width: calc(100% + 48px); max-width: none; height: auto; margin: -26px -24px 20px; }

/* ── Sections ───────────────────────────────────────────────────────────── */
section { padding: 72px 0 0; }
.sec-head { max-width: 680px; margin: 0 0 36px; }
.sec-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-head p { font-size: 17px; color: var(--ink-2); margin: 0; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 26px 24px;
}
.card p { color: var(--ink-2); font-size: 15px; margin: 0; }
.card .icon {
  width: 40px; height: 40px; border-radius: 11px; margin-bottom: 16px;
  display: grid; place-items: center;
  background: var(--brand-bg); color: var(--brand-ink);
}
.card .icon svg { width: 20px; height: 20px; }
.card ul { margin: 12px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 14.5px; }
.card li { margin: 4px 0; }

.split {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px; align-items: center;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 28px; } }
.split p { color: var(--ink-2); }

.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.checks li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; color: var(--ink-2); font-size: 15px; }
.checks li::before {
  content: ""; width: 14px; height: 8px; margin-top: 6px;
  border-left: 2.2px solid var(--brand); border-bottom: 2.2px solid var(--brand);
  transform: rotate(-45deg);
}
.checks b { color: var(--ink); }

/* Numbered steps — only where the order genuinely matters. */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; gap: 14px; }
.steps > li {
  counter-increment: step;
  display: grid; grid-template-columns: 44px 1fr; gap: 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px;
}
.steps > li::before {
  content: counter(step);
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 600; font-size: 15px;
  background: var(--brand-bg); color: var(--brand-ink);
}
.steps h3 { margin: 4px 0 4px; font-size: 16px; }
.steps p { margin: 0; color: var(--ink-2); font-size: 15px; }

.band {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  padding: 40px;
}
@media (max-width: 620px) { .band { padding: 26px 20px; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.stat { padding: 18px 20px; border-left: 3px solid var(--brand); }
.stat b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.stat span { font-size: 14px; color: var(--ink-2); }

.note {
  display: grid; grid-template-columns: 20px 1fr; gap: 12px;
  padding: 16px 18px; border-radius: 12px;
  background: var(--brand-bg); color: var(--ink-2); font-size: 14.5px;
}
.note::before {
  content: "i"; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
  background: var(--brand); color: #fff; font-family: var(--mono);
}
.note.warn { background: var(--warn-bg); }
.note.warn::before { content: "!"; background: var(--warn); color: var(--card); }
.note p { margin: 0; }

/* ── Pricing ────────────────────────────────────────────────────────────── */
.meters { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.meter {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 26px 22px 22px; display: flex; flex-direction: column;
}
.meter.free { border-color: var(--ok); background: var(--ok-bg); }
.meter h3 { font-size: 15px; margin: 0 0 14px; }
.price { font-family: var(--mono); font-size: 36px; font-weight: 600; letter-spacing: -.035em; line-height: 1; }
.price .cur { font-size: 20px; vertical-align: super; font-weight: 400; }
.meter.free .price { color: var(--ok); font-family: var(--font); font-weight: 800; }
.per { font-size: 13.5px; color: var(--muted); margin-top: 9px; font-weight: 600; }
.tiers {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted); line-height: 1.8;
  display: grid; grid-template-columns: 1fr auto; column-gap: 10px;
}
.tiers b { color: var(--ink-2); font-family: var(--mono); font-weight: 600; text-align: right; }
.tiers .full { grid-column: 1 / -1; opacity: .85; line-height: 1.5; margin-top: 6px; }
.meter.free .tiers { border-top-color: rgba(13,122,99,.25); }

.examples { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; }
.ex { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px; display: flex; flex-direction: column; }
.ex.mid { border-color: var(--brand); box-shadow: var(--lift); }
.ex .who { font-size: 15px; font-weight: 800; margin-bottom: 4px; }
.ex .what { font-size: 14px; color: var(--muted); margin: 0 0 20px; line-height: 1.5; }
.ex dl { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; font-size: 13px; margin: 0 0 18px; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ex dt { color: var(--ink-2); }
.ex dd { margin: 0; text-align: right; }
.ex .f { color: var(--ok); }
.ex .sum { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: baseline; }
.ex .sum span { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.ex .sum b { font-family: var(--mono); font-size: 25px; font-weight: 600; letter-spacing: -.03em; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
table.data { width: 100%; border-collapse: collapse; min-width: 520px; }
table.data th {
  text-align: left; font-size: 11.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); padding: 16px 18px 12px; border-bottom: 1px solid var(--line-2);
}
table.data td { padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--ink-2); vertical-align: top; }
table.data tr:last-child td { border-bottom: none; }
table.data .r { text-align: right; }
table.data .num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
table.data .us { color: var(--brand-ink); font-weight: 600; }
table.data .name { color: var(--ink); font-weight: 700; }

/* ── FAQ ────────────────────────────────────────────────────────────────── */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq.wide { max-width: none; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); align-items: start; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 48px 16px 20px; position: relative;
  font-weight: 700; font-size: 15.5px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 20px; top: 22px;
  width: 8px; height: 8px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); transition: transform .15s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 25px; }
.faq details > div { padding: 0 20px 18px; color: var(--ink-2); font-size: 15px; }
.faq details > div p { margin: 0 0 10px; }
.faq details > div p:last-child { margin-bottom: 0; }

/* ── Call to action ─────────────────────────────────────────────────────── */
.cta {
  margin-top: 80px; text-align: center; background: #0a66ff; border-radius: 22px;
  padding: 56px 32px; color: #fff;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.88); font-size: 17px; max-width: 50ch; margin: 0 auto 26px; }
.cta .hero-cta { justify-content: center; }
.cta .btn-primary { background: #fff; color: #0a4fc4; box-shadow: none; }
.cta .btn-primary:hover { color: #0a4fc4; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.cta .btn-ghost:hover { color: #fff; border-color: #fff; }
.cta .fine { font-size: 13px; color: rgba(255,255,255,.78); margin: 18px 0 0; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.site-footer { margin-top: 88px; border-top: 1px solid var(--line); padding: 48px 0 32px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid p { color: var(--muted); margin: 12px 0 0; max-width: 34ch; }
.footer-grid h4 { font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 4px 0 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--ink-2); text-decoration: none; }
.footer-grid a:hover { color: var(--brand-ink); }
.footer-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ── Docs ───────────────────────────────────────────────────────────────── */
.docs { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 48px; padding-top: 48px; align-items: start; }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; gap: 24px; } }
.docs-nav { position: sticky; top: 92px; font-size: 14px; }
@media (max-width: 900px) { .docs-nav { position: static; } }
.docs-nav h4 { font-size: 11.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; }
.docs-nav h4:first-child { margin-top: 0; }
.docs-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.docs-nav a { display: block; padding: 5px 10px; border-radius: 7px; color: var(--ink-2); text-decoration: none; }
.docs-nav a:hover { background: var(--card-2); color: var(--ink); }
@media (max-width: 900px) {
  .docs-nav { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
  .docs-nav ul { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
.doc { min-width: 0; max-width: 780px; }
.doc > h1 { font-size: clamp(34px, 4.4vw, 46px); }
.doc h2 { font-size: 28px; margin: 64px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); padding-top: 40px; }
.doc h3 { font-size: 18px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .lede { font-size: 18px; }

.endpoint { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 28px 0 8px; }
.endpoint h3 { margin: 0; }
.method {
  font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .03em;
  padding: 3px 8px; border-radius: 6px; background: var(--brand-bg); color: var(--brand-ink);
}
.method.post { background: var(--ok-bg); color: var(--ok); }
.path { font-family: var(--mono); font-size: 14.5px; color: var(--ink); }

.code { position: relative; margin: 14px 0 18px; }
.code pre {
  margin: 0; background: var(--code-bg); color: var(--code-ink);
  border-radius: 12px; padding: 18px 20px; overflow-x: auto;
  font-size: 13.5px; line-height: 1.65; tab-size: 2;
}
.code .c { color: var(--code-muted); }
.code .k { color: var(--code-accent); }
.code .s { color: var(--code-str); }
.copy {
  position: absolute; top: 10px; right: 10px;
  font-family: var(--font); font-size: 12px; font-weight: 700;
  color: #c9d3e1; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 7px; padding: 4px 10px; cursor: pointer;
}
.copy:hover { background: rgba(255,255,255,.16); color: #fff; }
.tabs { display: flex; gap: 4px; margin: 14px 0 -6px; flex-wrap: wrap; }
.tabs button {
  font-family: var(--font); font-size: 13px; font-weight: 700; cursor: pointer;
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink-2);
}
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.params { width: 100%; border-collapse: collapse; margin: 10px 0 18px; font-size: 14.5px; }
.params th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line-2); }
.params td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); }
.params td:first-child { font-family: var(--mono); color: var(--ink); white-space: nowrap; font-size: 13.5px; }
.params .req { font-family: var(--font); font-size: 11px; font-weight: 800; color: var(--warn); margin-left: 6px; text-transform: uppercase; letter-spacing: .05em; }
.params-wrap { overflow-x: auto; }

/* ── Support ────────────────────────────────────────────────────────────── */
.contact {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px 32px;
}
@media (max-width: 700px) { .contact { grid-template-columns: 1fr; } }
.contact h2 { font-size: 26px; margin-bottom: 6px; }
.contact p { margin: 0; color: var(--ink-2); }
.link-card { text-decoration: none; color: inherit; display: block; transition: border-color .15s ease; }
.link-card:hover { border-color: var(--brand); color: inherit; }
.link-card .more { margin-top: 14px; font-weight: 700; font-size: 14px; color: var(--brand-ink); }

/* ── Back to top ────────────────────────────────────────────────────────── */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
  background: var(--card); color: var(--ink);
  border: 1px solid var(--line-2); box-shadow: var(--lift);
  opacity: 0; transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, color .15s ease, border-color .15s ease;
}
.to-top[hidden] { display: none; }
.to-top.is-visible { opacity: 1; transform: none; }
.to-top:hover { color: var(--brand-ink); border-color: var(--brand); }
@media (max-width: 620px) { .to-top { right: 14px; bottom: 14px; } }

/* ── 404 ────────────────────────────────────────────────────────────────── */
.lost { padding: 120px 0 40px; text-align: center; }
.lost .code-num { font-family: var(--mono); font-size: 15px; color: var(--muted); }

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