.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(250,250,247,0.82);
  backdrop-filter: blur(20px) saturate(180%);
}
.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 800;
}
.nav-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--text), #253B55);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}
.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 650;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 0.55rem; }
.nav-toggle { display: none; border: 0; background: transparent; color: var(--text); }

.hero {
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem);
}
.hero h1 { max-width: 980px; margin-bottom: 1.35rem; }
.hero .lead { max-width: 760px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.9fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.hero-copy { min-width: 0; }
.hero-mockup {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 34px;
  padding: 0.85rem;
  background: rgba(255,255,255,0.54);
  box-shadow: var(--shadow-lg);
}
.mockup-frame {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(180deg, #fff 0%, #F7FAFC 100%);
  overflow: hidden;
}
.mockup-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border);
}
.mockup-dots { display: flex; gap: 0.35rem; }
.mockup-dots span { width: 8px; height: 8px; border-radius: 50%; background: #D0D5DD; }
.mockup-body { padding: 1rem; display: grid; gap: 1rem; }
.mockup-map {
  min-height: 150px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(215,232,247,0.72), rgba(255,255,255,0.52)),
    repeating-linear-gradient(30deg, transparent 0 18px, rgba(16,24,40,0.03) 18px 19px);
  border: 1px solid var(--border);
  position: relative;
}
.map-pin {
  position: absolute;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--verified-green);
  border: 3px solid #fff;
  box-shadow: 0 8px 18px rgba(31,122,90,0.25);
}
.pin-a { top: 32%; left: 58%; }
.pin-b { top: 56%; left: 42%; background: var(--amber); }
.pin-c { top: 48%; left: 72%; background: var(--text-muted); }
.demo-label {
  display: inline-flex;
  margin-bottom: 0.8rem;
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  background: #F2F4F7;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.66);
}

.problem-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1.5rem;
  align-items: stretch;
}
.metric-tile {
  min-height: 100%;
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  border: 1px solid var(--border);
  background: var(--surface);
}
.metric-number {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
  color: var(--text);
  font-weight: 760;
}

.audience-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.audience-card ul,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}
.audience-card li,
.clean-list li {
  display: flex;
  gap: 0.62rem;
  color: var(--text-secondary);
}
.audience-card li::before,
.clean-list li::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--trust-teal);
  flex: 0 0 auto;
}

.cta-section {
  margin: clamp(3rem, 8vw, 6rem) auto;
}
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 6vw, 4rem);
  border-radius: 34px;
  background: #101828;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-panel p { color: rgba(255,255,255,0.72); }
.cta-panel h2 { color: #fff; }

.registry-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.registry-filters {
  position: sticky;
  top: 92px;
}
.filter-list {
  display: grid;
  gap: 0.7rem;
}
.filter-chip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.filter-chip input { accent-color: var(--trust-teal); }
.registry-list { display: grid; gap: 1rem; }
.registry-note {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--surface-blue);
  color: var(--text-secondary);
}

.pathway-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
}
.pathway-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.7);
}

.legal-copy {
  max-width: 840px;
}
.legal-copy h2 {
  margin-top: 2.25rem;
  font-size: 1.45rem;
}
.legal-copy p, .legal-copy li { color: var(--text-secondary); }

@media (max-width: 1000px) {
  .hero-grid, .problem-panel, .registry-shell { grid-template-columns: 1fr; }
  .registry-filters { position: static; }
  .pathway-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav-links, .nav-actions { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav.open .nav-shell { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .site-nav.open .nav-links,
  .site-nav.open .nav-actions {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--container)); }
  .hero { padding-block: 2.5rem; }
  .cta-section { margin-block: 1.5rem 2.5rem; }
  .hero-mockup { border-radius: 24px; }
  .pathway-grid { grid-template-columns: 1fr; }
}


.form-feedback { position: fixed; top: 88px; left: 0; right: 0; z-index: 200; }