/* ============================================================================
   MapVectorizer — City SEO pages · "Atlas plate" design system
   Ported from the design handoff (landing/design_handoff_city_page).
   Dark is the base; warm-paper light theme + explicit [data-theme] overrides.
   ========================================================================== */

/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --bg:#0d0e13; --surface:#151824; --surface-2:#1b1f2c;
  --line:#262b3a; --hair:rgba(255,255,255,.08);
  --text:#e9ebf2; --muted:#9aa2b6; --faint:#5c6379; --tick:#8b96b3;
  --primary:#4d9fff; --primary-h:#78b4ff; --on-primary:#08111f;

  /* warm "paper" — same in both themes (plate frame + About band) */
  --matte:#ece5d6; --matte-2:#e2d9c6; --matte-ink:#20242e; --matte-mut:#6f6a5c; --matte-line:#cfc6b2;

  --maxw:1160px;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --display:'Cabinet Grotesk','General Sans',system-ui,sans-serif;
  --font:'General Sans','Inter',system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:#eeeae1; --surface:#faf8f2; --surface-2:#f3efe6; --line:#e0d9ca; --hair:rgba(0,0,0,.07);
    --text:#1b1d24; --muted:#63656f; --faint:#a8a291; --tick:#8a8676;
    --primary:#1663d6; --primary-h:#0d4fb5; --on-primary:#ffffff;
  }
}
[data-theme="dark"] {
  --bg:#0d0e13; --surface:#151824; --surface-2:#1b1f2c; --line:#262b3a; --hair:rgba(255,255,255,.08);
  --text:#e9ebf2; --muted:#9aa2b6; --faint:#5c6379; --tick:#8b96b3;
  --primary:#4d9fff; --primary-h:#78b4ff; --on-primary:#08111f;
}
[data-theme="light"] {
  --bg:#eeeae1; --surface:#faf8f2; --surface-2:#f3efe6; --line:#e0d9ca; --hair:rgba(0,0,0,.07);
  --text:#1b1d24; --muted:#63656f; --faint:#a8a291; --tick:#8a8676;
  --primary:#1663d6; --primary-h:#0d4fb5; --on-primary:#ffffff;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-h); }
button { font-family: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 45%, transparent); border-radius: 8px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.h-xl { font-family: var(--display); font-weight: 800; font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.03; letter-spacing: -.02em; text-wrap: balance; }
.h-l  { font-family: var(--display); font-weight: 700; font-size: clamp(1.3rem, 2.2vw, 1.6rem); letter-spacing: -.01em; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--tick); margin-bottom: 16px; }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: var(--primary); color: var(--on-primary); font-weight: 600; transition: top .15s ease; }
.skip-link:focus { top: 12px; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 16px 28px; border-radius: 13px; background: var(--primary); color: var(--on-primary); font-weight: 600; font-size: 1.06rem; box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--primary) 70%, transparent); transition: background .2s ease, box-shadow .2s ease, transform .12s ease; }
.btn-primary:hover { background: var(--primary-h); color: var(--on-primary); transform: translateY(-1px); }
.btn-primary.lg { padding: 16px 30px; box-shadow: 0 12px 30px -12px color-mix(in srgb, var(--primary) 75%, transparent); }
.btn-arrow { font-size: 1.1em; transition: transform .2s ease; }
.btn-primary:hover .btn-arrow { transform: translateX(3px); }
.btn-app { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px; background: var(--primary); color: var(--on-primary); font-weight: 600; font-size: .95rem; transition: background .2s ease; }
.btn-app:hover { background: var(--primary-h); color: var(--on-primary); }

/* ── Header ─────────────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--hair); }
.site-header .bar { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); }
.brand:hover { color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.01em; }
.header-nav { display: flex; align-items: center; gap: 6px; }
.nav-link { color: var(--muted); padding: 8px 12px; font-weight: 500; font-size: .95rem; }
.nav-link:hover { color: var(--text); }
.theme-toggle { width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--muted); }
.theme-toggle:hover { color: var(--text); border-color: var(--tick); }

/* ── Breadcrumb ─────────────────────────────────────────────────────────── */
.breadcrumb { max-width: var(--maxw); margin: 0 auto; padding: 20px 24px 0; }
.breadcrumb ol { list-style: none; display: flex; gap: 9px; align-items: center; flex-wrap: wrap; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; color: var(--faint); }
.breadcrumb a { color: var(--faint); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .current { color: var(--tick); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero { max-width: var(--maxw); margin: 0 auto; padding: clamp(40px,6vw,72px) 24px clamp(56px,7vw,96px); }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(32px,5vw,64px); align-items: center; }
.hero-copy { min-width: 0; }
.hero h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.9rem,6.4vw,4.9rem); line-height: .96; letter-spacing: -.035em; color: var(--text); }
.hero-sub { font-size: clamp(1.08rem,1.5vw,1.28rem); line-height: 1.55; color: var(--muted); max-width: 38ch; margin-top: 24px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 32px; }
.cta-note { font-family: var(--mono); font-size: 12px; color: var(--faint); margin-top: 16px; }
.cta-note strong { color: var(--primary); font-weight: 600; }
.hero-spec { display: flex; gap: 0; margin-top: 40px; border-top: 1px solid var(--line); padding-top: 20px; }
.hero-spec > div { flex: 1; padding: 0 18px; border-right: 1px solid var(--line); }
.hero-spec > div:first-child { padding-left: 0; }
.hero-spec > div:last-child { border-right: 0; padding-right: 0; }
.hero-spec dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 7px; }
.hero-spec dd { font-size: 14px; color: var(--text); }

/* Atlas plate */
.hero-visual { min-width: 0; }
.plate { display: block; background: linear-gradient(160deg, var(--matte), var(--matte-2)); border-radius: 8px; padding: 20px 20px 16px; box-shadow: 0 40px 80px -32px rgba(0,0,0,.7), 0 4px 14px rgba(0,0,0,.25); position: relative; color: var(--matte-ink); }
.plate:hover { color: var(--matte-ink); }
.plate-box {
  position: relative; border-radius: 3px; overflow: hidden; aspect-ratio: 4/3;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.12), inset 0 2px 8px rgba(0,0,0,.18);
  transition: background-color .35s ease;
  /* default palette (Blueprint) — the picker overrides these inline */
  --map-bg:#2f5fb0; --map-grid:rgba(255,255,255,.13); --map-water:#2a5490; --map-park:#3f6fbf; --map-line:#ffffff; --map-mark:#ffd27a; --corner:rgba(255,255,255,.55);
}
.plate-corner { position: absolute; width: 14px; height: 14px; }
.plate-corner.tl { left: 10px; top: 10px; border-left: 1.5px solid var(--corner); border-top: 1.5px solid var(--corner); }
.plate-corner.tr { right: 10px; top: 10px; border-right: 1.5px solid var(--corner); border-top: 1.5px solid var(--corner); }
.plate-corner.bl { left: 10px; bottom: 10px; border-left: 1.5px solid var(--corner); border-bottom: 1.5px solid var(--corner); }
.plate-corner.br { right: 10px; bottom: 10px; border-right: 1.5px solid var(--corner); border-bottom: 1.5px solid var(--corner); }
.plate-cap { margin-top: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: .05em; color: var(--matte-mut); }
.plate-cap b { color: var(--matte-ink); font-weight: 500; }

/* Style thumbnails */
.plate-hint { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--faint); margin-top: 20px; margin-bottom: 10px; }
.thumbs { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.thumb { position: relative; display: block; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); padding: 0; text-align: center; transition: border-color .2s ease, transform .16s ease; }
.thumb:hover { border-color: var(--tick); transform: translateY(-2px); }
.thumb-img { display: block; aspect-ratio: 4/3; transition: background-color .35s ease; }
.thumb-label { display: block; padding: 7px 6px; font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.thumbs-all { font-family: var(--mono); font-size: 11.5px; margin-top: 16px; text-align: right; }
.thumbs-all a { color: var(--tick); }
.thumbs-all a:hover { color: var(--primary); }

/* ── About band (paper) ─────────────────────────────────────────────────── */
.about-band { background: linear-gradient(180deg, var(--matte), var(--matte-2)); color: var(--matte-ink); border-top: 1px solid var(--matte-line); border-bottom: 1px solid var(--matte-line); }
.about-inner { max-width: var(--maxw); margin: 0 auto; padding: clamp(56px,7vw,92px) 24px; display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px,5vw,72px); align-items: start; }
.about-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--matte-mut); margin-bottom: 18px; }
.about-band h2 { font-family: var(--display); font-weight: 800; font-size: clamp(1.9rem,3.6vw,2.8rem); line-height: 1.03; letter-spacing: -.02em; color: var(--matte-ink); text-wrap: balance; }
.about-band p { font-size: clamp(1.02rem,1.4vw,1.16rem); line-height: 1.65; color: #4a4638; margin-top: 22px; max-width: 52ch; text-wrap: pretty; }
.spec { border-top: 1px solid var(--matte-line); }
.spec > div { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--matte-line); }
.spec dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--matte-mut); flex: none; padding-top: 2px; }
.spec dd { font-size: 14.5px; font-weight: 500; text-align: right; color: var(--matte-ink); }

/* ── Use cases ──────────────────────────────────────────────────────────── */
.usecases-sec { max-width: var(--maxw); margin: 0 auto; padding: clamp(64px,8vw,104px) 24px; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.usecases { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px,5vw,72px); }
.usecase { display: flex; gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); }
.usecase-idx { font-family: var(--mono); font-size: 12px; color: var(--tick); padding-top: 5px; }
.usecase-ico { width: 44px; height: 44px; flex: none; border-radius: 11px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--primary); }
.usecase h3 { font-family: var(--display); font-weight: 700; font-size: 1.18rem; letter-spacing: -.01em; margin-bottom: 6px; }
.usecase p { color: var(--muted); font-size: .98rem; line-height: 1.55; }

/* ── Related / city grid cards ──────────────────────────────────────────── */
.related-sec { max-width: var(--maxw); margin: 0 auto; padding: clamp(20px,3vw,32px) 24px clamp(64px,8vw,96px); }
.related-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 28px; border-top: 1px solid var(--line); padding-top: 44px; }
.related-all { font-family: var(--mono); font-size: 12px; color: var(--tick); }
.related-all:hover { color: var(--primary); }
.related-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; }
.city-card { display: block; border-radius: 9px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); color: var(--text); transition: border-color .2s ease, transform .18s ease; }
.city-card:hover { border-color: var(--tick); color: var(--text); transform: translateY(-2px); }
.city-card .cc-map { display: block; aspect-ratio: 1; }
.city-card .cc-label { display: block; padding: 9px 10px; font-size: 12.5px; font-weight: 500; }
.city-card .cc-cc { font-family: var(--mono); font-size: 10px; color: var(--faint); display: block; margin-top: 2px; }

/* ── CTA band ───────────────────────────────────────────────────────────── */
.cta-sec { max-width: var(--maxw); margin: 0 auto; padding: 0 24px clamp(72px,9vw,120px); }
.cta-card { position: relative; overflow: hidden; border-radius: 20px; border: 1px solid var(--line); background: radial-gradient(120% 140% at 80% 10%, color-mix(in srgb, var(--primary) 20%, var(--surface)), var(--surface)); padding: clamp(44px,6vw,80px) clamp(28px,5vw,72px); text-align: center; }
.cta-deco { position: absolute; right: -80px; bottom: -160px; width: 420px; height: 420px; opacity: .22; --map-line: var(--primary); pointer-events: none; }
.cta-inner { position: relative; max-width: 620px; margin: 0 auto; }
.cta-card p { font-size: clamp(1.02rem,1.5vw,1.18rem); line-height: 1.55; color: var(--muted); margin-top: 20px; }
.cta-actions { margin-top: 32px; display: flex; justify-content: center; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--hair); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 44px 24px; display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between; }
.footer-nav { display: flex; gap: 24px; font-size: .92rem; }
.footer-nav a { color: var(--muted); }
.footer-nav a:hover { color: var(--text); }
.footer-legal { flex-basis: 100%; font-family: var(--mono); font-size: 11px; color: var(--faint); line-height: 1.7; border-top: 1px solid var(--hair); padding-top: 20px; }

/* ── Sticky mobile CTA ──────────────────────────────────────────────────── */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); border-top: 1px solid var(--hair); transform: translateY(120%); transition: transform .28s ease; }
.sticky-cta.show { transform: translateY(0); }
.sticky-cta a { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 14px; border-radius: 12px; background: var(--primary); color: var(--on-primary); font-weight: 600; }

/* ── Overview page ──────────────────────────────────────────────────────── */
.ov-hero { max-width: var(--maxw); margin: 0 auto; padding: clamp(48px,6vw,88px) 24px clamp(24px,3vw,36px); text-align: center; }
.ov-hero h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.4rem,5.4vw,4.2rem); line-height: 1; letter-spacing: -.03em; max-width: 16ch; margin: 0 auto; text-wrap: balance; }
.ov-hero .lead { font-size: clamp(1.08rem,1.6vw,1.28rem); line-height: 1.55; color: var(--muted); max-width: 54ch; margin: 22px auto 0; }
.ov-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 32px; }
.filter-bar { position: relative; max-width: 460px; margin: 34px auto 0; }
.filter-bar input { width: 100%; font-family: var(--font); font-size: 1rem; color: var(--text); padding: 13px 16px 13px 44px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); }
.filter-bar input:focus { border-color: var(--primary); }
.filter-bar .search-ico { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--faint); pointer-events: none; }
.filter-count { text-align: center; font-family: var(--mono); font-size: 12px; color: var(--faint); margin-top: 16px; }
.ov-grid-sec { max-width: var(--maxw); margin: 0 auto; padding: 24px 24px clamp(64px,8vw,104px); }
.city-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; list-style: none; padding: 0; margin: 0; }
.city-grid .cc-map { position: relative; }
.city-grid .cc-tag { position: absolute; right: 8px; top: 8px; font-family: var(--mono); font-size: 9.5px; padding: 3px 7px; border-radius: 999px; background: color-mix(in srgb, var(--bg) 55%, transparent); backdrop-filter: blur(4px); color: #fff; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .about-inner { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(4,1fr); }
  .city-grid { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 640px) {
  .header-nav .nav-link { display: none; }
  .related-grid { grid-template-columns: repeat(3,1fr); }
  .city-grid { grid-template-columns: repeat(2,1fr); }
  .hero-cta .btn-primary { width: 100%; }
  body { padding-bottom: 78px; }
}
@media (max-width: 440px) {
  .related-grid { grid-template-columns: repeat(2,1fr); }
  .thumbs { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}