:root{
  --bg:#f6f8fc;--surface:#fff;--surface-2:rgba(255,255,255,.72);
  --text:#0b1220;--muted:rgba(11,18,32,.72);--border:rgba(11,18,32,.12);
  --shadow:0 12px 30px rgba(11,18,32,.08);--radius:20px;
  --primary:#2563eb;--primary-2:#1d4ed8;
  --code-bg:rgba(15,23,42,.06);
  --font-sans:ui-sans-serif,system-ui,-apple-system,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
  --font-mono:"DM Mono",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
  /* Fluid type scale */
  --fs-hero:clamp(2.05rem,5vw,3.25rem);
  --fs-h2:clamp(1.35rem,3.2vw,1.9rem);
  --fs-body:clamp(1rem,1.2vw,1.0625rem);
  --lh-tight:1.08;
  --lh-body:1.5;
}

/* iOS Safari text-size-adjust */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
  color:var(--text);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  background:
    radial-gradient(1200px 700px at 20% -10%,rgba(37,99,235,.12),transparent 60%),
    radial-gradient(900px 520px at 90% 10%,rgba(14,165,164,.10),transparent 50%),
    var(--bg);
}

h1{font-size:var(--fs-hero);line-height:var(--lh-tight);letter-spacing:-0.02em;overflow-wrap:anywhere;word-break:normal}
h2{font-size:var(--fs-h2);line-height:1.15;letter-spacing:-0.01em;overflow-wrap:anywhere;word-break:normal}
p{overflow-wrap:anywhere;word-break:normal}
.wrap{overflow-wrap:anywhere;word-break:normal}

a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--font-mono);background:var(--code-bg);padding:2px 6px;border-radius:8px;font-size:.95em}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-shell{min-height:100vh;display:flex;flex-direction:column}
.skip-link{
  position:absolute;left:-999px;top:8px;z-index:9999;
  background:var(--surface);color:var(--text);
  padding:10px 12px;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);
}
.skip-link:focus{left:10px}

/* ── Topbar (M3 Top App Bar) ── */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,0.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(15,23,42,0.08);
}
.topbar-inner{
  max-width:1120px;
  margin:0 auto;
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;flex-shrink:0}
.brand-logo{height:34px;width:auto;display:block}

.nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:nowrap;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 14px;
  border-radius:999px;
  text-decoration:none;
  color:rgba(11,18,32,.86);
  background:rgba(15,23,42,0.04);
  border:1px solid rgba(15,23,42,0.06);
  font-weight:700;
  font-size:14px;
  white-space:nowrap;
  flex:0 0 auto;
}
.nav-link:hover{background:rgba(15,23,42,0.08);text-decoration:none}
.nav-link.is-active{background:rgba(59,130,246,0.12);border-color:rgba(59,130,246,0.28)}

/* Buttons / chips */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 16px;border-radius:999px;
  font-weight:900;border:1px solid transparent;white-space:nowrap;
}
.button--primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.12)}
.button--primary:hover{background:var(--primary-2);text-decoration:none}
.button--secondary{background:rgba(255,255,255,.92);border-color:var(--border);color:rgba(11,18,32,.92);box-shadow:var(--shadow)}
.button--secondary:hover{background:#fff;text-decoration:none}
.button--ghost{background:transparent;border-color:var(--border);color:rgba(11,18,32,.86)}
.button--ghost:hover{background:rgba(11,18,32,.06);text-decoration:none}
.chip{
  display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.75);
  font-weight:900;font-size:12px;color:rgba(11,18,32,.84)
}

/* Layout blocks */
.hero{padding:56px 0 26px}
.hero-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:22px;align-items:start}
.hero-title{margin:10px 0;font-size:var(--fs-hero);line-height:var(--lh-tight);letter-spacing:-0.02em}
.hero-lead{margin:0;font-size:clamp(1rem,1.4vw,1.125rem);color:var(--muted);line-height:1.6;max-width:58ch}
.section-label{display:inline-flex;gap:8px;font-weight:900;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(37,99,235,.88)}
.hero-cta,.cta-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.hero-badges{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

.section{padding:44px 0}
.section--alt{background:rgba(255,255,255,.55);border-top:1px solid rgba(11,18,32,.06);border-bottom:1px solid rgba(11,18,32,.06)}
.section-head{max-width:76ch}
.section-title{margin:10px 0;font-size:var(--fs-h2);letter-spacing:-0.01em}
.lead{margin:0;color:var(--muted);line-height:1.7;font-size:clamp(1rem,1.2vw,1.0625rem)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.glass{background:var(--surface-2);border:1px solid rgba(255,255,255,.6);border-radius:var(--radius);box-shadow:var(--shadow)}
.subtle{color:var(--muted)}
.kv{display:grid;grid-template-columns:1fr 1.4fr;gap:8px 12px;font-size:14px}
.k{color:rgba(11,18,32,.72);font-weight:900}
.v{color:rgba(11,18,32,.92);font-weight:900}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.feature h3{margin:0 0 8px;font-size:16px}
.feature p{margin:0;color:var(--muted);line-height:1.7}

.callout{
  margin-top:18px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.18);
  color:rgba(11,18,32,.90);line-height:1.7;font-weight:800
}
.api-grid{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.api h3{margin:0 0 6px;font-size:14px}
.api p{margin:0 0 10px;color:var(--muted);line-height:1.6;font-size:13px}
.api-link{font-weight:900;font-size:13px}

.download-grid{margin-top:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stack{display:grid;gap:10px;margin-top:10px}

/* Footer */
.footer{margin-top:auto;padding:26px 0 38px;border-top:1px solid rgba(11,18,32,.10);background:rgba(246,248,252,.72)}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-start}
.footer-copy{display:grid;gap:4px}
.footer-copy span{color:var(--muted);font-weight:800}
.footer-links{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.footer-links a{font-weight:900}
.footer-legal{width:100%;margin:12px 0 0;color:rgba(11,18,32,.72);line-height:1.6;font-size:13px}

/* Document pages */
.document-shell{padding:40px 0}
.document-hero{padding:22px}
.document-title{margin:8px 0 10px;font-size:clamp(1.6rem,3vw,2rem);letter-spacing:-0.02em}
.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.doc-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.policy-stack{display:grid;gap:14px}
.policy-block h2{margin:0 0 8px}
.policy-block p{margin:0;color:var(--muted);line-height:1.7}
.policy-block ul{margin:10px 0 0;color:var(--muted);line-height:1.7}
.disclaimer-block{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.20)}

/* Portal (live map) helpers — offsets based on topbar height ~55px */
#map{position:fixed;inset:0;z-index:0}
.legal-bar{
  position:fixed;top:55px;left:0;right:0;z-index:30;
  background:rgba(255,255,255,.82);border-bottom:1px solid var(--border);
  padding:10px 14px;font-size:13px;color:rgba(11,18,32,.82);backdrop-filter:blur(14px)
}

/* Desktop panel — floating right side */
.panel{
  position:fixed;top:103px;right:14px;z-index:40;
  width:min(390px,calc(100% - 28px));max-height:calc(100vh - 120px);overflow:auto;
  background:rgba(255,255,255,.84);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);
  backdrop-filter:blur(16px)
}
.panel-footer{
  padding:14px 16px;border-top:1px solid var(--border);
  background:rgba(246,248,252,.80)
}
.panel-footer-note{margin:0 0 8px;font-size:12px;color:var(--muted);font-weight:700}
.panel-footer-legal{margin:0;font-size:11px;color:rgba(11,18,32,.60);line-height:1.6}
/* Portal page: semantic footer sits below fixed-position map in DOM (z-index above map) */
.portal-page-footer{
  position:fixed;bottom:0;left:0;right:0;z-index:25;
  max-height:0;overflow:hidden;opacity:0;pointer-events:none
}

/* Drag handle — hidden on desktop */
.drag-handle{
  display:none;
  width:40px;height:4px;
  background:#ccc;border-radius:3px;
  margin:10px auto 6px;
  cursor:pointer;flex-shrink:0;
}

/* Mobile bottom sheet (<768px) */
@media (max-width:767px){
  .panel{
    top:auto;
    bottom:0;left:0;right:0;
    width:100%;
    height:80px;
    max-height:65vh;
    border-radius:20px 20px 0 0;
    overflow:hidden;
    background:rgba(255,255,255,.97);
    box-shadow:0 -6px 30px rgba(0,0,0,0.15);
    border:none;
    transition:height 0.3s cubic-bezier(0.4,0,0.2,1);
    overscroll-behavior:contain;
  }
  .panel.expanded{
    height:65vh;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .drag-handle{display:block}
}

/* Responsive */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .api-grid{grid-template-columns:1fr 1fr}
  .download-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .brand-logo{height:30px}
}
@media (max-width:520px){
  .api-grid{grid-template-columns:1fr}
  .hero-cta,.cta-row{flex-direction:column}
  .hero-cta a,.cta-row a{width:100%}
}