/* StampSherpa Support — the product's paper-and-hairline language.
   Georgia serif display, quiet zinc ink, hairline rules, one accent. */

:root {
  --paper: #fafaf9;
  --ink: #18181b;
  --ink-2: #3f3f46;
  --ink-3: #52525b;
  --muted: #a1a1aa;
  --hair: #e4e4e7;
  --hair-2: #d4d4d8;
  --accent: #047857; /* emerald-700 — the product's response green */
  --danger: #dc2626;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.88); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hair-2);
}
.site-header .bar {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.wordmark { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.wordmark .name { font-family: var(--serif); font-weight: 700; font-size: 18px; color: var(--ink); }
.wordmark .tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--accent);
}
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  font-size: 13px; color: var(--ink-3); text-decoration: none;
  padding: 6px 10px; border-radius: 2px;
}
.site-nav a:hover { background: #f4f4f5; color: var(--ink); }
.site-nav a.active { background: var(--ink); color: #fff; }
.site-nav a.app-link { color: var(--ink-3); }
.site-nav a.app-link::after { content: " →"; }

/* ── Page frame ─────────────────────────────────────────────────────── */
.page { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--ink-3);
}
h1 { font-family: var(--serif); font-weight: 900; font-size: 40px; line-height: 1.05; color: var(--ink); letter-spacing: -0.01em; }
h2 { font-family: var(--serif); font-weight: 700; font-size: 26px; line-height: 1.2; color: var(--ink); margin-top: 56px; }
h3 { font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--ink); margin-top: 36px; }
h2 + p, h3 + p { margin-top: 10px; }
p + p { margin-top: 14px; }
main p, main li { max-width: 68ch; }
main ul, main ol { padding-left: 22px; margin-top: 10px; }
main li + li { margin-top: 6px; }
main strong { color: var(--ink); }
main a { text-decoration: underline; text-underline-offset: 3px; }
main a:hover { color: var(--ink); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em; background: #f4f4f5; border: 1px solid var(--hair);
  border-radius: 2px; padding: 1px 5px;
}

/* ── Guide layout: sidebar + article ────────────────────────────────── */
.guide-wrap { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 56px; padding: 48px 0 96px; }
.guide-side { position: sticky; top: 76px; align-self: start; }
.guide-side .side-label {
  font-size: 10px; font-weight: 600; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.guide-side ol { list-style: none; padding: 0; border-left: 1px solid var(--hair); }
.guide-side li a {
  display: block; padding: 7px 0 7px 14px; margin-left: -1px;
  font-size: 13.5px; color: var(--ink-3); text-decoration: none;
  border-left: 1px solid transparent;
}
.guide-side li a:hover { color: var(--ink); }
.guide-side li a.here { color: var(--ink); font-weight: 600; border-left-color: var(--ink); }
.guide-side .num { color: var(--muted); font-family: var(--serif); font-size: 12px; margin-right: 6px; }
article.guide { padding-top: 4px; }
article.guide > .eyebrow { color: var(--accent); }
article.guide > h1 { margin-top: 10px; max-width: 20ch; }
article.guide > .lede { margin-top: 16px; font-size: 17.5px; color: var(--ink-3); max-width: 58ch; }

/* Chapter pager */
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 72px; border-top: 1px solid var(--hair-2); padding-top: 20px; }
.pager a { text-decoration: none; font-size: 14px; color: var(--ink-3); max-width: 46%; }
.pager a:hover { color: var(--ink); }
.pager .dir { font-size: 10px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); display: block; }
.pager .t { font-family: var(--serif); font-weight: 700; color: var(--ink); }
.pager .next { text-align: right; margin-left: auto; }

/* ── Screenshots ────────────────────────────────────────────────────── */
figure.shot { margin: 26px 0 8px; }
figure.shot img {
  border: 1px solid var(--hair-2); border-radius: 3px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03), 0 12px 32px -18px rgba(0, 0, 0, 0.22);
  background: #fff;
}
figure.shot figcaption {
  margin-top: 10px; font-size: 12.5px; color: var(--ink-3);
}
figure.shot figcaption::before {
  content: "▸ "; color: var(--accent);
}

/* ── Steps ──────────────────────────────────────────────────────────── */
.step { display: flex; gap: 16px; margin-top: 28px; }
.step .n {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--hair-2); display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 700; font-size: 14px; color: var(--ink);
  background: #fff;
}
.step .body { padding-top: 3px; min-width: 0; }
.step .body .t { font-weight: 600; color: var(--ink); }

/* ── Callouts ───────────────────────────────────────────────────────── */
.callout {
  margin: 24px 0; padding: 14px 18px; border: 1px solid var(--hair-2);
  border-left: 3px solid var(--ink); border-radius: 2px; background: #fff;
  font-size: 14.5px;
}
.callout.tip { border-left-color: var(--accent); }
.callout.warn { border-left-color: var(--danger); }
.callout .label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; display: block; margin-bottom: 4px; color: var(--ink-3);
}

/* ── Cards (support home) ───────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 32px; }
a.card {
  display: block; border: 1px solid var(--hair-2); border-radius: 3px;
  background: #fff; padding: 22px; text-decoration: none;
  transition: border-color 120ms ease;
}
a.card:hover { border-color: var(--ink); }
a.card .k {
  font-family: var(--serif); font-size: 13px; color: var(--muted); font-weight: 700;
}
a.card .t { font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--ink); margin-top: 6px; }
a.card .d { font-size: 13.5px; color: var(--ink-3); margin-top: 8px; line-height: 1.55; }

/* ── FAQ ────────────────────────────────────────────────────────────── */
.faq details { border-bottom: 1px solid var(--hair); }
.faq details summary {
  cursor: pointer; list-style: none; padding: 18px 0;
  font-family: var(--serif); font-weight: 700; font-size: 17px; color: var(--ink);
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
}
.faq details summary::-webkit-details-marker { display: none; }
.faq details summary::after { content: "+"; color: var(--muted); font-family: var(--sans); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details .a { padding: 0 0 20px; max-width: 68ch; }
.faq .faq-section { margin-top: 44px; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--hair-2); margin-top: 40px; }
.site-footer .bar {
  max-width: 1120px; margin: 0 auto; padding: 28px 24px 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 12.5px; color: var(--ink-3);
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.site-footer .links { display: flex; gap: 18px; }

/* ── Hero (support home) ────────────────────────────────────────────── */
.support-hero { padding: 72px 0 20px; border-bottom: 1px solid var(--hair); }
.support-hero h1 { max-width: 22ch; }
.support-hero .lede { margin-top: 16px; font-size: 18px; color: var(--ink-3); max-width: 52ch; }

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .guide-wrap { grid-template-columns: 1fr; gap: 24px; }
  .guide-side { position: static; }
  .guide-side ol { display: flex; flex-wrap: wrap; gap: 4px; border-left: none; }
  .guide-side li a { border: 1px solid var(--hair-2); border-radius: 999px; padding: 5px 12px; font-size: 12.5px; }
  .guide-side li a.here { background: var(--ink); color: #fff; border-color: var(--ink); }
  h1 { font-size: 32px; }
  .site-nav a.app-link { display: none; }
}