/* ==========================================================================
   DocChiaro — site layer (homepage, guides, articles)
   Builds on the tokens in /assets/brand.css. One container everywhere:
   1200px wide with 24px side padding, matching the header.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.dc-site {
  margin: 0; background: var(--dc-paper); color: var(--dc-ink);
  font-family: var(--dc-sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
.dc-site img { max-width: 100%; display: block; }
:where(.dc-site) a { color: var(--dc-primary); }

.dc-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.dc-section { padding: 88px 0; }
.dc-section--white { background: #fff; border-top: 1px solid var(--dc-border); border-bottom: 1px solid var(--dc-border); }
.dc-section--navy { background: var(--dc-primary); color: #fff; }
.dc-section--tight { padding: 56px 0; }

/* type */
.dc-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--dc-primary);
}
.dc-kicker::before { content: ''; width: 18px; height: 2px; background: var(--dc-accent); border-radius: 2px; }
.dc-section--navy .dc-kicker { color: rgba(255,255,255,.75); }
.dc-h1 { font-family: var(--dc-serif); font-weight: 700; font-size: clamp(2.5rem, 5.2vw, 4rem); line-height: 1.06; letter-spacing: -0.02em; margin: 18px 0 20px; }
.dc-h1 em { font-style: italic; color: var(--dc-primary); }
.dc-h2 { font-family: var(--dc-serif); font-weight: 700; font-size: clamp(1.8rem, 3.4vw, 2.5rem); line-height: 1.15; letter-spacing: -0.015em; margin: 14px 0 14px; }
.dc-h3 { font-family: var(--dc-serif); font-weight: 600; font-size: 1.3rem; line-height: 1.3; margin: 0 0 8px; }
.dc-lead { font-size: 1.15rem; color: var(--dc-muted); max-width: 620px; margin: 0; }
.dc-section--navy .dc-lead { color: rgba(255,255,255,.75); }
.dc-head { max-width: 680px; margin-bottom: 44px; }
.dc-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.dc-head--center .dc-lead { margin: 0 auto; }

/* buttons */
.dc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 24px; border-radius: 12px; border: 1px solid transparent;
  font-family: var(--dc-sans); font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.dc-btn--primary { background: var(--dc-primary); color: #fff !important; }
.dc-btn--primary:hover { background: var(--dc-primary-600); transform: translateY(-1px); }
.dc-btn--ghost { background: #fff; border-color: var(--dc-border); color: var(--dc-ink) !important; }
.dc-btn--ghost:hover { border-color: var(--dc-primary); color: var(--dc-primary) !important; }
.dc-btn--accent { background: var(--dc-accent); color: var(--dc-ink) !important; }
.dc-btn--accent:hover { background: var(--dc-accent-600); }
.dc-btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* hero */
.dc-hero { padding: calc(var(--dc-header-h) + 72px) 0 80px; background:
  linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0)) ,
  repeating-linear-gradient(0deg, rgba(27,58,92,.035) 0 1px, transparent 1px 48px),
  repeating-linear-gradient(90deg, rgba(27,58,92,.035) 0 1px, transparent 1px 48px);
}
.dc-hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: center; }
.dc-trust { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; font-size: 14px; color: var(--dc-muted); }
.dc-trust span { display: inline-flex; align-items: center; gap: 7px; }
.dc-trust svg { color: var(--dc-primary); flex-shrink: 0; }

/* preview card (hero) */
.dc-preview { background: #fff; border: 1px solid var(--dc-border); border-radius: 20px; box-shadow: 0 24px 60px -24px rgba(22,24,29,.25); overflow: hidden; }
.dc-preview-top { background: var(--dc-primary); color: #fff; padding: 20px 24px; }
.dc-preview-top small { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.dc-preview-top strong { display: block; font-family: var(--dc-serif); font-size: 22px; margin-top: 4px; }
.dc-preview-row { display: flex; align-items: center; gap: 14px; padding: 15px 24px; border-bottom: 1px solid #f0efea; }
.dc-preview-row:last-child { border-bottom: 0; }
.dc-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; background: var(--dc-accent); }
.dc-dot--navy { background: var(--dc-primary); }
.dc-preview-row .t { flex: 1; min-width: 0; font-size: 14px; font-weight: 500; }
.dc-preview-row .t small { display: block; font-size: 12px; color: var(--dc-muted); font-weight: 400; }
.dc-preview-row .d { font-family: var(--dc-mono); font-size: 13px; text-align: right; }
.dc-preview-row .d small { display: block; font-family: var(--dc-sans); font-size: 11.5px; color: var(--dc-muted); }
.dc-preview-foot { padding: 12px 24px; background: #fafaf7; font-size: 12px; color: var(--dc-muted); border-top: 1px solid #f0efea; }

/* cards */
.dc-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.dc-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.dc-grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.dc-tile { background: #fff; border: 1px solid var(--dc-border); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: inherit; transition: border-color .15s, box-shadow .15s, transform .15s; }
a.dc-tile:hover { border-color: var(--dc-primary-100); box-shadow: 0 12px 32px -16px rgba(22,24,29,.25); transform: translateY(-2px); }
.dc-tile p { margin: 0; color: var(--dc-ink-2); font-size: 15px; }
.dc-tile ul { margin: 4px 0 0; padding-left: 18px; color: var(--dc-ink-2); font-size: 14.5px; }
.dc-tile li { margin: 3px 0; }
.dc-tile .more { margin-top: auto; padding-top: 10px; font-size: 14px; font-weight: 600; color: var(--dc-primary); }
.dc-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--dc-primary-50); color: var(--dc-primary); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 6px; }
.dc-tag { align-self: flex-start; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; background: var(--dc-primary-50); color: var(--dc-primary); }

/* steps */
.dc-step { position: relative; padding-top: 4px; }
.dc-step-n { font-family: var(--dc-mono); font-size: 13px; color: var(--dc-accent-600); font-weight: 500; }
.dc-step p { margin: 6px 0 0; color: var(--dc-ink-2); font-size: 15px; }

/* facts (reference table) */
.dc-facts { background: #fff; border: 1px solid var(--dc-border); border-radius: 18px; overflow: hidden; }
.dc-fact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr); gap: 20px; align-items: baseline; padding: 18px 28px; border-bottom: 1px solid #f0efea; }
.dc-fact:last-child { border-bottom: 0; }
.dc-fact dt { font-weight: 600; font-size: 15px; }
.dc-fact dd { margin: 0; }
.dc-fact .v { font-size: 15px; font-weight: 500; color: var(--dc-ink); }
.dc-fact .s { font-size: 13px; color: var(--dc-muted); }
.dc-fact .s a { color: var(--dc-primary); }

/* founder */
.dc-founder { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.dc-quote { font-family: var(--dc-serif); font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.3; margin: 0; }
.dc-quote em { color: var(--dc-accent); }
.dc-person { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.dc-avatar { width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; font-family: var(--dc-serif); font-weight: 700; font-size: 20px; }
.dc-person strong { display: block; }
.dc-person span { font-size: 14px; color: rgba(255,255,255,.7); }
.dc-promise { display: flex; flex-direction: column; gap: 12px; }
.dc-promise div { padding: 18px 20px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.dc-promise strong { display: block; font-size: 15px; }
.dc-promise span { font-size: 14px; color: rgba(255,255,255,.72); }

/* faq */
.dc-faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.dc-faq details { border-bottom: 1px solid var(--dc-border); padding: 18px 0; }
.dc-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; font-weight: 600; font-size: 15.5px; }
.dc-faq summary::-webkit-details-marker { display: none; }
.dc-faq summary::after { content: '+'; color: var(--dc-primary); font-size: 20px; line-height: 1; flex-shrink: 0; }
.dc-faq details[open] summary::after { content: '–'; }
.dc-faq p { margin: 10px 0 0; color: var(--dc-ink-2); font-size: 15px; }

/* cta band */
.dc-cta-band { text-align: center; }
.dc-cta-band .dc-btns { justify-content: center; margin-top: 28px; }

/* ── Articles ─────────────────────────────────────────────────────────── */
.dc-article-head { padding: calc(var(--dc-header-h) + 56px) 0 40px; border-bottom: 1px solid var(--dc-border); background: #fff; }
.dc-article-head .dc-h1 { font-size: clamp(2.1rem, 4.4vw, 3.1rem); max-width: 860px; }
.dc-article-head .dc-lead { max-width: 760px; }
.dc-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 20px; font-size: 13.5px; color: var(--dc-muted); }
.dc-crumbs { font-size: 13px; color: var(--dc-muted); }
.dc-crumbs a { color: var(--dc-muted); text-decoration: none; }
.dc-crumbs a:hover { color: var(--dc-primary); }
.dc-article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 64px; padding: 48px 0 96px; align-items: start; }
.dc-prose { max-width: 720px; font-size: 17px; line-height: 1.75; color: var(--dc-ink-2); }
.dc-prose > :first-child { margin-top: 0; }
.dc-prose h2 { font-family: var(--dc-serif); font-size: 1.75rem; line-height: 1.25; letter-spacing: -0.01em; color: var(--dc-ink); margin: 48px 0 14px; scroll-margin-top: 90px; }
.dc-prose h3 { font-family: var(--dc-sans); font-size: 1.1rem; font-weight: 600; color: var(--dc-ink); margin: 30px 0 8px; }
.dc-prose p { margin: 0 0 18px; }
.dc-prose ul, .dc-prose ol { margin: 0 0 20px; padding-left: 22px; }
.dc-prose li { margin: 6px 0; }
.dc-prose strong { color: var(--dc-ink); }
.dc-prose a { color: var(--dc-primary); text-underline-offset: 3px; }
.dc-prose code { font-family: var(--dc-mono); font-size: .88em; background: var(--dc-primary-50); padding: 2px 6px; border-radius: 6px; color: var(--dc-primary); }
.dc-prose table { width: 100%; border-collapse: collapse; margin: 8px 0 24px; font-size: 15px; background: #fff; border: 1px solid var(--dc-border); border-radius: 12px; overflow: hidden; display: table; }
.dc-prose th, .dc-prose td { text-align: left; padding: 12px 16px; border-bottom: 1px solid #f0efea; vertical-align: top; }
.dc-prose th { background: #fafaf7; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dc-muted); font-weight: 600; }
.dc-prose tr:last-child td { border-bottom: 0; }
.dc-table-wrap { overflow-x: auto; margin: 0 0 24px; }
.dc-table-wrap table { margin: 0; }
.dc-callout { margin: 24px 0; padding: 20px 22px; border-radius: 14px; background: var(--dc-primary-50); border: 1px solid var(--dc-primary-100); font-size: 15.5px; }
.dc-callout p:last-child, .dc-callout ul:last-child { margin-bottom: 0; }
.dc-callout strong:first-child { display: block; margin-bottom: 4px; color: var(--dc-primary); }
.dc-callout--warn { background: #fff8ea; border-color: #f1d9a6; }
.dc-callout--warn strong:first-child { color: #7a5310; }
.dc-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 8px 0 24px; }
.dc-stat { background: #fff; border: 1px solid var(--dc-border); border-radius: 14px; padding: 18px 20px; }
.dc-stat .k { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dc-muted); }
.dc-stat .n { font-family: var(--dc-serif); font-size: 2rem; font-weight: 700; color: var(--dc-primary); line-height: 1.2; }
.dc-stat .n s { font-size: 1rem; color: var(--dc-muted); font-weight: 400; margin-right: 8px; }
.dc-stat p { margin: 4px 0 0; font-size: 14px; }
.dc-steps { list-style: none; padding: 0 !important; margin: 8px 0 24px; border-left: 2px solid var(--dc-primary-100); }
.dc-steps li { position: relative; padding: 0 0 18px 24px; margin: 0; }
.dc-steps li::before { content: ''; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--dc-primary); }
.dc-steps b { display: block; color: var(--dc-ink); font-size: 14px; letter-spacing: .02em; }
.dc-disclaimer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--dc-border); font-size: 14px; color: var(--dc-muted); }

.dc-aside { position: sticky; top: calc(var(--dc-header-h) + 24px); display: flex; flex-direction: column; gap: 16px; }
.dc-aside-card { background: #fff; border: 1px solid var(--dc-border); border-radius: 16px; padding: 22px; }
.dc-aside-card h4 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--dc-muted); font-weight: 600; }
.dc-aside-card a { display: block; padding: 7px 0; font-size: 14.5px; text-decoration: none; color: var(--dc-ink); border-bottom: 1px solid #f3f2ee; }
.dc-aside-card a:last-child { border-bottom: 0; }
.dc-aside-card a:hover { color: var(--dc-primary); }
.dc-aside-cta { background: var(--dc-primary); color: #fff; border-radius: 16px; padding: 24px; }
.dc-aside-cta h4 { margin: 0 0 6px; font-family: var(--dc-serif); font-size: 1.25rem; }
.dc-aside-cta p { margin: 0 0 16px; font-size: 14px; color: rgba(255,255,255,.75); }
.dc-aside-cta .dc-btn { width: 100%; height: 44px; }

/* guide list */
.dc-guide-card { background: #fff; border: 1px solid var(--dc-border); border-radius: 18px; padding: 28px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 10px; transition: border-color .15s, box-shadow .15s, transform .15s; }
.dc-guide-card:hover { border-color: var(--dc-primary-100); box-shadow: 0 12px 32px -16px rgba(22,24,29,.25); transform: translateY(-2px); }
.dc-guide-card p { margin: 0; color: var(--dc-ink-2); font-size: 15px; }
.dc-guide-card .meta { font-size: 13px; color: var(--dc-muted); margin-top: auto; padding-top: 8px; }

/* responsive */
@media (max-width: 1024px) {
  .dc-hero-grid, .dc-founder { grid-template-columns: 1fr; gap: 40px; }
  .dc-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dc-article-layout { grid-template-columns: 1fr; gap: 40px; }
  .dc-aside { position: static; }
}
@media (max-width: 760px) {
  .dc-section { padding: 64px 0; }
  .dc-hero { padding: calc(var(--dc-header-h) + 40px) 0 56px; }
  .dc-grid-3, .dc-grid-2, .dc-grid-4, .dc-faq, .dc-stats { grid-template-columns: 1fr; }
  .dc-fact { grid-template-columns: 1fr; gap: 4px; padding: 16px 20px; }
  .dc-btn { width: 100%; }
  .dc-prose { font-size: 16.5px; }
}