/* DevelopmentIntelligence.ai design system — premium architectural proptech.
   Teal + ink trust palette, gold premium accent, Cinzel display + Josefin Sans. */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Josefin+Sans:wght@300;400;500;600;700&display=swap');

:root {
  color-scheme: light;
  --bg: #FAFAF6;           /* warm paper */
  --surface: #FFFFFF;
  --surface-2: #F5F6F2;    /* subtle panel */
  --ink: #13322E;          /* deep teal-ink — primary text */
  --ink-soft: #51635E;     /* secondary text */
  --ink-faint: #6B746E;    /* AA-contrast faint text */
  --primary: #0F766E;      /* teal */
  --primary-700: #0B5C55;
  --primary-50: #E6F4F1;
  --accent: #0369A1;       /* data blue */
  --gold: #875B0E;         /* premium gold (AA on light) */
  --gold-soft: #F4EACF;
  --line: #E7E5DD;         /* warm hairline */
  --good: #15803D;
  --warn: #B45309;
  --danger: #B42318;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(19,50,46,.05), 0 1px 3px rgba(19,50,46,.05);
  --shadow: 0 14px 40px -16px rgba(19,50,46,.22);
  --shadow-lg: 0 30px 70px -24px rgba(19,50,46,.28);
  --font-display: 'Cinzel', Georgia, 'Times New Roman', serif;
  --font-sans: 'Josefin Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-sans); font-size: 16px; line-height: 1.6;
  font-weight: 400; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: .01em; line-height: 1.12; color: var(--ink); margin: 0; }
.serif { font-family: var(--font-display); }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Wordmark */
.brand { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: .01em; color: var(--ink); white-space: nowrap; }
.brand .dot { color: var(--primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-family: var(--font-sans); font-weight: 600;
  font-size: 15px; cursor: pointer; border: 1px solid transparent; transition: all .16s ease;
  letter-spacing: .01em; }
.btn.primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn.primary:hover { background: var(--primary-700); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn.gold { background: var(--gold); color: #fff; }
.btn.gold:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn.block { width: 100%; }
.btn:focus-visible { outline: 3px solid var(--primary-50); outline-offset: 1px; }

/* Inputs */
.input { width: 100%; background: var(--surface); border: 1px solid var(--line); color: var(--ink);
  border-radius: 10px; padding: 12px 14px; font-family: var(--font-sans); font-size: 15px;
  transition: border-color .14s, box-shadow .14s; }
.input::placeholder { color: var(--ink-faint); }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-50); }
.field-err { color: var(--danger); font-size: 13px; margin: -2px 0 10px; }

/* Badges / pills */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.badge.pro { background: var(--gold-soft); color: var(--gold); }
.badge.owner { background: var(--primary-50); color: var(--primary-700); }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.pill.score { background: var(--primary-50); color: var(--primary-700); }
.pill.struct { background: var(--gold-soft); color: var(--gold); }

/* Eyebrow + section heading */
.eyebrow { font-family: var(--font-sans); color: var(--primary); font-weight: 700; font-size: 12.5px;
  text-transform: uppercase; letter-spacing: .16em; }

/* Modal / overlay (shared by app auth + detail) */
.overlay { position: fixed; inset: 0; background: rgba(19,50,46,.45); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; padding: 20px; z-index: 1000; }
.overlay.open { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  width: 100%; box-shadow: var(--shadow-lg); max-height: 92vh; overflow: auto;
  animation: pop .18s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: none; } }
.modal-h { display: flex; align-items: flex-start; justify-content: space-between; padding: 22px 24px 14px; }
.modal-h h2 { font-size: 22px; }
.modal-h .meta { color: var(--ink-soft); font-size: 13.5px; margin-top: 3px; }
.modal-b { padding: 4px 24px 24px; }
.x { background: none; border: none; color: var(--ink-faint); font-size: 26px; line-height: 1; cursor: pointer; }
.x:hover { color: var(--ink); }

/* Shared marketing-site nav + footer + content pages */
.site-wrap { max-width: 1100px; margin: 0 auto; padding: 0 28px; }
.site-nav { display: flex; align-items: center; gap: 22px; padding: 20px 0; flex-wrap: wrap; }
.site-nav .links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.site-nav .links a { color: var(--ink-soft); font-weight: 600; font-size: 14.5px; }
.site-nav .links a:hover { color: var(--primary); }
.site-nav .links a.cta { color: #fff; background: var(--primary); padding: 9px 16px; border-radius: 8px; }
.site-nav .links a.cta:hover { background: var(--primary-700); color: #fff; }
@media (max-width: 760px){ .site-nav .links { gap: 14px; } .site-nav .links a.hideable { display: none; } }

.page { max-width: 820px; margin: 0 auto; padding: 36px 28px 64px; }
.page > .eyebrow { display: block; margin-bottom: 10px; }
.page h1 { font-size: clamp(30px, 4.5vw, 44px); margin-bottom: 14px; }
.page .lede { font-size: 19px; color: var(--ink-soft); margin-bottom: 30px; max-width: 36em; }
.prose h2 { font-size: 23px; margin: 32px 0 10px; }
.prose h3 { font-family: var(--font-sans); font-weight: 700; font-size: 16.5px; margin: 20px 0 6px; color: var(--ink); }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 20px; }
.prose a { color: var(--primary); font-weight: 600; }
.card-soft { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.faq-item { border-top: 1px solid var(--line); padding: 18px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0 0 6px; color: var(--ink); }
.faq-item p { margin: 0; }

.site-footer { border-top: 1px solid var(--line); margin-top: 28px; }
.site-footer .inner { max-width: 1100px; margin: 0 auto; padding: 36px 28px;
  display: flex; flex-wrap: wrap; gap: 24px 48px; align-items: flex-start; }
.site-footer .fbrand { max-width: 240px; }
.site-footer .fbrand p { color: var(--ink-faint); font-size: 13px; margin: 8px 0 0; }
.site-footer .fcol h4 { font-family: var(--font-sans); font-size: 12px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--ink-faint); margin: 0 0 10px; }
.site-footer .fcol a { display: block; color: var(--ink-soft); font-size: 14px; padding: 3px 0; }
.site-footer .fcol a:hover { color: var(--primary); }
.site-footer .legal { width: 100%; border-top: 1px solid var(--line); padding-top: 18px;
  color: var(--ink-faint); font-size: 12.5px; }

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