/* ReqBot marketing site — shared design system
   Distilled from the Claude Design canvas review (ReqBot Site Redesign.dc.html).
   Warm paper background, one accent (sage), Newsreader for headlines. */

:root {
  --paper: #FAF8F5;
  --paper-alt: #F2EEE7;
  --ink: #23211E;
  --ink-dim: rgba(35, 33, 30, .66);
  --ink-dimmer: rgba(35, 33, 30, .55);
  --ink-faint: rgba(35, 33, 30, .4);
  --line: rgba(35, 33, 30, .1);
  --line-strong: rgba(35, 33, 30, .22);
  --dark: #23211E;
  --dark-deep: #1B1917;
  --dark-text: #FAF8F5;
  --dark-text-dim: rgba(250, 248, 245, .6);
  --dark-line: rgba(250, 248, 245, .28);
  --accent: #4C6753;
  --accent-deep: #3F5747;
  --accent-wash: rgba(76, 103, 83, .1);
  --accent-wash-strong: rgba(76, 103, 83, .14);
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: ui-monospace, Menlo, monospace;
  --container: 1100px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--ink); }

img { max-width: 100%; display: block; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 40px; }

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--line);
}
.site-nav .brand {
  font: 500 20px/1 var(--serif);
  letter-spacing: -.01em;
  color: var(--ink);
}
.site-nav .links {
  display: flex;
  gap: 32px;
  font: 400 14px/1 var(--sans);
}
.site-nav .links a { color: var(--ink-dim); }
.site-nav .links a.current {
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  font: 500 15px/1 var(--sans);
  padding: 15px 26px;
  border-radius: 999px;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: #000; color: var(--paper); }
.btn-outline { border-color: var(--line-strong); color: var(--ink); }
.btn-outline:hover { color: var(--ink); border-color: var(--ink); }
.btn-light { background: var(--paper); color: var(--ink); }
.btn-light:hover { color: var(--ink); }
.btn-ghost-dark { border: 1px solid var(--dark-line); color: var(--dark-text); }
.btn-ghost-dark:hover { color: var(--dark-text); border-color: var(--dark-text-dim); }
.btn-sm { padding: 11px 18px; font-size: 13px; }
.btn-row { display: flex; gap: 12px; }

/* Sections */
section { padding: 96px 40px; border-top: 1px solid var(--line); }
section:first-of-type { border-top: none; }
section.alt { background: var(--paper-alt); }
section.dark { background: var(--dark); border-top: none; }
section.center { text-align: center; }
section.tight { padding-top: 72px; padding-bottom: 72px; }

h1 {
  margin: 0 0 26px;
  font: 400 58px/1.08 var(--serif);
  letter-spacing: -.02em;
  color: var(--ink);
}
h2 {
  margin: 0 0 18px;
  font: 400 38px/1.16 var(--serif);
  letter-spacing: -.015em;
  color: var(--ink);
}
h3 {
  margin: 0 0 10px;
  font: 400 22px/1.28 var(--serif);
  color: var(--ink);
}
p { margin: 0 0 18px; font: 400 17px/1.7 var(--sans); color: var(--ink-dim); }
p:last-child { margin-bottom: 0; }

.eyebrow {
  margin: 0 0 14px;
  font: 600 10px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow.muted { color: rgba(35, 33, 30, .55); }

.lede {
  font: 400 19px/1.65 var(--sans);
  color: var(--ink-dim);
}

/* Cards */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 26px;
}
.card.on-white { background: #fff; }
.card-grid { display: grid; gap: 24px; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.tag-eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  font: 600 9.5px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(35, 33, 30, .6);
}
.tag-eyebrow.accent { color: var(--accent); }

.citation {
  font: 500 11px/1 var(--mono);
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--accent-wash);
  color: var(--accent-deep);
}

/* Two-col layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.split.center-v { align-items: center; }
.split.wide-right { grid-template-columns: 1fr 1.15fr; }

/* CTA banner */
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-banner h2, .cta-banner p { color: var(--dark-text); }
.cta-banner p { color: var(--dark-text-dim); }
section.dark p { color: var(--dark-text-dim); }
section.dark h2, section.dark h1 { color: var(--dark-text); }

/* Footer */
footer {
  padding: 40px;
  background: var(--dark-deep);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
footer .brand { font: 500 15px/1 var(--serif); color: rgba(250, 248, 245, .75); }
footer .links { display: flex; gap: 26px; flex-wrap: wrap; font: 400 13px/1 var(--sans); }
footer .links a { color: rgba(250, 248, 245, .55); }
footer .links a:hover { color: #fff; }

/* Repo card (docs page) */
.repo-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 34px;
  background: var(--ink);
  border-radius: 14px;
  color: var(--dark-text);
}
.repo-card .repo-name { font: 400 26px/1.25 var(--serif); color: var(--dark-text); display: block; margin-bottom: 8px; }
.repo-card .repo-desc { font: 400 15px/1.6 var(--sans); color: var(--dark-text-dim); }
.repo-card .repo-cta { flex: none; font: 500 14px/1 var(--sans); color: var(--dark-text); }

.doc-list a.doc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 40px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.doc-list a.doc-row:last-child { border-bottom: 1px solid var(--line); }
.doc-row .doc-title { display: block; margin-bottom: 5px; font: 500 17px/1.4 var(--sans); color: var(--ink); }
.doc-row .doc-desc { display: block; font: 400 14.5px/1.6 var(--sans); color: var(--ink-dimmer); }
.doc-row .doc-link { flex: none; font: 500 13.5px/1 var(--sans); color: var(--accent); }

/* Deployment path cards */
.path-card .tag-eyebrow { margin-bottom: 12px; }

/* Rollout steps */
.rollout-track { display: flex; flex-direction: column; gap: 22px; }
.rollout-step h3 {
  font-size: 21px;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.rollout-step .step-num { font: 500 12.5px/1 var(--mono); color: rgba(35, 33, 30, .5); }
.rollout-track.accent .step-num { color: var(--accent); }

/* Data guarantee grid */
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
}
.guarantee-grid p {
  margin: 0;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font: 400 15.5px/1.6 var(--sans);
  color: rgba(35, 33, 30, .72);
}

/* Simple contact form */
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  margin-bottom: 6px;
  font: 500 13px/1 var(--sans);
  color: var(--ink);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font: 400 15px/1.5 var(--sans);
  color: var(--ink);
  background: #fff;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-status { margin-top: 16px; font: 500 14px/1.5 var(--sans); }
.form-status.ok { color: var(--accent-deep); }
.form-status.err { color: #a33; }

/* Photo placeholder block (used until real photography exists) */
.photo-block {
  height: 280px;
  border-radius: 14px;
  background: repeating-linear-gradient(135deg, #EFEBE4 0 11px, #F7F4EF 11px 22px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-block span {
  font: 500 11px/1 var(--mono);
  letter-spacing: .06em;
  color: rgba(35, 33, 30, .42);
}

/* Responsive */
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.wide-right { grid-template-columns: 1fr; }
  .split > * { min-width: 0; }
  .card-grid.cols-3 { grid-template-columns: 1fr; }
  .card-grid.cols-2 { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .site-nav { padding: 16px 20px; flex-wrap: wrap; row-gap: 12px; }
  .site-nav > .btn {
    /* Force it onto its own full-width row instead of sharing a row with the brand --
       that's what was causing the squeeze, not the button's mere presence. Hiding it
       (the previous fix) was an overcorrection; this keeps it visible without the squeeze. */
    order: 2;
    width: 100%;
    text-align: center;
  }
  .site-nav .links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 10px 18px;
    font-size: 13px;
  }
  section { padding: 56px 20px; }
  h1 { font-size: 34px; }
  h2 { font-size: 27px; }
  h3 { font-size: 20px; }
  .lede, p { font-size: 16px; }
  .cta-banner { flex-direction: column; align-items: stretch; text-align: left; }
  .btn-row { flex-direction: column; }
  footer { flex-direction: column; align-items: flex-start; }
  .repo-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .repo-card .repo-name {
    font-size: 19px;
    overflow-wrap: anywhere;
  }
  .compare-badges { flex-direction: column; }
}