/* ==========================================================================
   OfficeCanvas — design system
   A warm, editorial, trustworthy look for a home-office resource site.
   ========================================================================== */

:root {
  --ink:        #1d1b16;
  --ink-soft:   #4a463d;
  --muted:      #6f6a5e;
  --line:       #e7e2d6;
  --paper:      #faf7f0;
  --paper-2:    #f2ede1;
  --card:       #ffffff;
  --brand:      #b4552d;   /* terracotta */
  --brand-dark: #8f4021;
  --accent:     #2f6f5e;   /* deep sage */
  --accent-2:   #eaf2ee;
  --gold:       #c98a1a;
  --shadow:     0 1px 2px rgba(29,27,22,.05), 0 8px 24px rgba(29,27,22,.06);
  --radius:     14px;
  --maxw:       1120px;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-serif); color: var(--ink); line-height: 1.2; font-weight: 600; }
h1 { font-size: 2.6rem; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: 1.75rem; margin: 2.2em 0 .6em; }
h3 { font-size: 1.28rem; margin: 1.8em 0 .4em; }
p { margin: 0 0 1.1em; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,247,240,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-serif); font-weight: 700; font-size: 1.3rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--gold));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; font-weight: 700;
}
.nav-links { display: flex; gap: 22px; align-items: center; font-size: .96rem; font-family: var(--font-sans); }
.nav-links a { color: var(--ink-soft); font-weight: 500; }
.nav-cta {
  background: var(--brand); color: #fff !important; padding: 9px 16px; border-radius: 999px;
  font-weight: 600; font-size: .9rem;
}
.nav-cta:hover { background: var(--brand-dark); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(1200px 500px at 70% -10%, var(--accent-2), transparent),
              linear-gradient(180deg, var(--paper-2), var(--paper));
  border-bottom: 1px solid var(--line);
  padding: 68px 0 60px;
}
.hero h1 { font-size: 3.1rem; max-width: 15ch; }
.hero p.lead { font-size: 1.25rem; color: var(--ink-soft); max-width: 60ch; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px; font-weight: 600;
  font-family: var(--font-sans); cursor: pointer; border: 1px solid transparent; font-size: 1rem;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); text-decoration: none; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); text-decoration: none; }

/* ---------- Eyebrow / tags ---------- */
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--brand-dark); font-family: var(--font-sans); }
.tag { display: inline-block; font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  padding: 3px 10px; border-radius: 999px; background: var(--accent-2); color: var(--accent); font-family: var(--font-sans); }
.tag.chairs { background: #f6e7df; color: var(--brand-dark); }
.tag.desks  { background: #e5efe9; color: var(--accent); }
.tag.setup  { background: #f3eede; color: #927012; }
.tag.ai     { background: #e9e6f5; color: #574a9e; }

/* ---------- Cluster grid / cards ---------- */
.section { padding: 58px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease;
  display: flex; flex-direction: column; gap: 10px;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(29,27,22,.10); }
.card h3 { margin: 4px 0 0; font-size: 1.18rem; }
.card h3 a { color: var(--ink); }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card .card-meta { margin-top: auto; font-size: .85rem; color: var(--muted); font-family: var(--font-sans); }
.card.pillar { border-color: var(--brand); background: linear-gradient(180deg,#fff,#fdf6f1); }

/* ---------- Article layout ---------- */
.article-head { background: linear-gradient(180deg, var(--paper-2), var(--paper)); border-bottom: 1px solid var(--line); padding: 40px 0 34px; }
.breadcrumbs { font-size: .85rem; color: var(--muted); font-family: var(--font-sans); margin-bottom: 14px; }
.breadcrumbs a { color: var(--muted); }
.article-head h1 { max-width: 22ch; }
.article-meta { font-family: var(--font-sans); font-size: .9rem; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 10px; }

.article-body { padding: 40px 0 20px; }
.article-body h2 { border-top: 1px solid var(--line); padding-top: 1.1em; }
.article-body ul, .article-body ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.article-body li { margin-bottom: .5em; }
.article-body img { max-width: 100%; border-radius: var(--radius); }
.article-body blockquote {
  margin: 1.5em 0; padding: 4px 22px; border-left: 4px solid var(--brand);
  color: var(--ink-soft); font-style: italic; background: var(--paper-2); border-radius: 0 8px 8px 0;
}
.lead-para { font-size: 1.2rem; color: var(--ink-soft); }

/* tables */
.article-body table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-family: var(--font-sans); font-size: .94rem; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.article-body th, .article-body td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article-body thead th { background: var(--paper-2); font-family: var(--font-serif); font-size: 1rem; }
.article-body tbody tr:last-child td { border-bottom: 0; }

/* product / pick block */
.pick { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; margin: 1.6em 0; background: #fff; box-shadow: var(--shadow); }
.pick .pick-flag { font-family: var(--font-sans); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--brand-dark); }
.pick h3 { margin: 6px 0 4px; }
.pick .price { font-family: var(--font-sans); font-weight: 600; color: var(--accent); font-size: .95rem; }
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 26px; margin: 12px 0; font-size: .95rem; }
.proscons ul { margin: 4px 0; }
.pros li::marker { content: "✓  "; color: var(--accent); }
.cons li::marker { content: "–  "; color: var(--brand); }

/* affiliate button */
.btn-affiliate {
  display: inline-block; background: var(--accent); color: #fff !important; padding: 10px 20px;
  border-radius: 999px; font-weight: 600; font-family: var(--font-sans); font-size: .92rem; margin-top: 6px;
}
.btn-affiliate:hover { background: #23594b; text-decoration: none; }

/* callouts */
.callout { background: var(--accent-2); border: 1px solid #cfe2d9; border-radius: var(--radius); padding: 18px 22px; margin: 1.6em 0; font-size: .97rem; }
.callout strong { color: var(--accent); }
.disclosure { font-family: var(--font-sans); font-size: .84rem; color: var(--muted); background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 0 0 1.6em; }

/* visualizer CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--accent), #24564a); color: #fff; border-radius: 18px;
  padding: 36px 34px; margin: 2.4em 0 1em; text-align: center;
}
.cta-band h3 { color: #fff; font-size: 1.7rem; margin: 0 0 .3em; }
.cta-band p { color: #dfeee8; max-width: 52ch; margin: 0 auto 18px; }
.cta-band .btn-primary { background: #fff; color: var(--accent); }
.cta-band .btn-primary:hover { background: #f1f1f1; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-family: var(--font-serif); font-size: 1.12rem; font-weight: 600; cursor: pointer; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.4rem; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; color: var(--ink-soft); }

/* related / cross-links */
.related { background: var(--paper-2); border-top: 1px solid var(--line); padding: 44px 0; margin-top: 30px; }
.related h2 { margin-top: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #cfc9bb; padding: 50px 0 30px; margin-top: 40px; font-family: var(--font-sans); font-size: .92rem; }
.site-footer a { color: #e9e2d3; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; font-family: var(--font-sans); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #34302a; margin-top: 34px; padding-top: 20px; color: #928c7e; font-size: .84rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 17px; }
  h1 { font-size: 2.1rem; }
  .hero h1 { font-size: 2.3rem; }
  .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--paper); flex-direction: column; padding: 14px 20px; gap: 14px; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .proscons { grid-template-columns: 1fr; }
  .article-body table { display: block; overflow-x: auto; }
}