/* ─── reset / base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: #0F172A;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
code {
  font-family: 'SF Mono', 'JetBrains Mono', Menlo, monospace;
  font-size: 0.86em;
  padding: 1px 6px;
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
  border-radius: 4px;
}

/* ─── colours ──────────────────────────────────────────────────────── */
:root {
  --navy:   #0A2540;
  --navy2:  #142B4D;
  --accent: #2563EB;
  --accent2:#3B82F6;
  --text:   #0F172A;
  --muted:  #64748B;
  --rule:   #E2E8F0;
  --bg-light:#F8FAFC;
  --bg-tint:#F1F5FB;
}

/* ─── nav ──────────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 36px;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule);
  z-index: 100;
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark {
  font-weight: 900;
  font-size: 22px;
  color: var(--accent);
  letter-spacing: 1.5px;
}
.brand-mark.small { font-size: 18px; }
.brand-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 1px;
}
.nav-links {
  display: flex; gap: 28px; flex: 1;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

.cta {
  display: inline-block;
  padding: 12px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--accent);
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}
.cta:hover { background: #1d4ed8; transform: translateY(-1px); }
.cta-sm { padding: 8px 16px; font-size: 13px; }
.cta-lg { padding: 16px 32px; font-size: 16px; }
.cta-ghost {
  background: transparent;
  color: var(--accent);
}
.cta-ghost:hover {
  background: rgba(37,99,235,0.06);
}

/* ─── hero ─────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 100px 36px 120px;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 80% 20%, rgba(59,130,246,0.22), transparent 60%),
    radial-gradient(50% 70% at 10% 90%, rgba(37,99,235,0.15), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 1100px; margin: 0 auto; }
.chip {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255,255,255,0.10);
  color: #B6CCEB;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  border-radius: 999px;
  margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,0.18);
}
.hero h1 {
  font-size: 64px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.lede {
  font-size: 19px;
  line-height: 1.55;
  color: #CDDAEC;
  max-width: 720px;
}
.section .lede { color: var(--muted); }
.section-dark .lede { color: #CDDAEC; }
.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-cta .cta-ghost {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.22);
  color: #fff;
}
.hero-cta .cta-ghost:hover { background: rgba(255,255,255,0.16); }
.hero-meta {
  display: flex;
  gap: 56px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-meta > div { display: flex; flex-direction: column; gap: 4px; }
.hero-meta strong {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent2);
  letter-spacing: -1px;
}
.hero-meta span {
  font-size: 12px;
  color: #8AA6CC;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ─── sections ─────────────────────────────────────────────────────── */
.section {
  padding: 100px 36px;
  max-width: 1180px;
  margin: 0 auto;
}
.section-dark {
  max-width: none;
  padding-left: 0; padding-right: 0;
  background: var(--navy);
  color: #fff;
}
.section-dark > * { max-width: 1180px; margin-left: auto; margin-right: auto;
                    padding-left: 36px; padding-right: 36px; }

.section-head {
  text-align: center;
  margin-bottom: 64px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.kicker {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(37,99,235,0.10);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 16px;
}
.section-dark .kicker {
  background: rgba(59,130,246,0.18);
  color: var(--accent2);
}
.section-head h2 {
  font-size: 44px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -1.2px;
  color: var(--navy);
  margin-bottom: 18px;
}
.section-dark .section-head h2 { color: #fff; }

/* ─── card grids ───────────────────────────────────────────────────── */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-compact { gap: 16px; }

.card {
  padding: 32px;
  background: var(--bg-light);
  border: 1px solid var(--rule);
  border-radius: 14px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(15,23,42,0.06); }
.card-dark {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.10);
  color: #E2E8F0;
}
.card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(37,99,235,0.10);
  color: var(--accent);
  font-size: 22px;
  border-radius: 10px;
  margin-bottom: 16px;
}
.card-dark .card-icon { background: rgba(59,130,246,0.18); color: var(--accent2); }
.card h3, .card-flat h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.card-dark h3, .card-flat-dark h3 { color: #fff; }
.card p, .card-flat p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 12px;
}
.card ul, .card-flat ul {
  list-style: none;
  margin-top: 12px;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.card-dark ul, .card-flat-dark ul { border-top-color: rgba(255,255,255,0.08); }
.card li, .card-flat li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  padding: 5px 0 5px 18px;
  position: relative;
}
.card li::before, .card-flat li::before {
  content: '✓';
  color: var(--accent);
  position: absolute; left: 0;
  font-weight: 700;
}

/* Dark variants — placed AFTER the generic .card rules so colour
   overrides actually win (same specificity, later declaration). */
.card-dark p, .card-flat-dark p {
  color: #DCE7F5;
}
.card-dark li, .card-flat-dark li {
  color: #E6EDF3;            /* near-white — readable on dark navy */
}
.card-dark li::before, .card-flat-dark li::before {
  color: var(--accent2);      /* brighter accent for dark card backgrounds */
}

.card-flat {
  padding: 32px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 14px;
}
.card-flat-dark {
  border-color: rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
}

/* ─── feature blocks (split layout) ──────────────────────────────── */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin: 80px 0;
  padding: 56px;
  background: var(--bg-tint);
  border-radius: 18px;
}
.feature-block-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.feature-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-dark .feature-text h3 { color: #fff; }
.feature-text p { color: var(--muted); margin-bottom: 12px; font-size: 15px; line-height: 1.6; }
.section-dark .feature-text p { color: #CDDAEC; }

.feature-steps { display: flex; flex-direction: column; gap: 14px; }
.step {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.step-num {
  font-size: 22px;
  color: var(--accent);
  font-weight: 800;
  min-width: 28px;
}
.step strong { color: var(--navy); font-size: 15px; }
.step em { color: var(--muted); font-style: normal; font-size: 13px; }

.feature-list { display: flex; flex-direction: column; gap: 10px; }
.bullet {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  font-size: 14px;
  color: #E2E8F0;
}

/* ─── link cards (demo URLs) ──────────────────────────────────────── */
.link-card {
  display: flex; flex-direction: column;
  padding: 24px;
  background: var(--bg-light);
  border: 1px solid var(--rule);
  border-radius: 14px;
  text-align: left;
  gap: 4px;
  transition: transform 0.15s, border-color 0.15s;
}
.link-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.link-card-num {
  font-family: 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.link-card strong { font-size: 16px; color: var(--navy); }
.link-card span { font-size: 12px; color: var(--muted); }

.docs-row {
  display: flex; gap: 16px; justify-content: center; margin-top: 40px;
  flex-wrap: wrap;
}
.doc-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 24px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 10px;
  transition: border-color 0.15s;
  min-width: 280px;
}
.doc-card:hover { border-color: var(--accent); }
.doc-card > span { font-size: 26px; }
.doc-card strong { display: block; color: var(--navy); font-size: 15px; }
.doc-card em { font-style: normal; font-size: 12px; color: var(--muted); }

/* ─── CTA strip ───────────────────────────────────────────────────── */
.section-cta {
  padding: 80px 36px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
  color: #fff;
  max-width: none;
}
.cta-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.cta-inner h2 {
  font-size: 38px; font-weight: 800; margin-bottom: 14px;
  letter-spacing: -1px;
}
.cta-inner p { color: #CDDAEC; font-size: 17px; margin-bottom: 28px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-row .cta-ghost {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.22);
  color: #fff;
}
.cta-row .cta-ghost:hover { background: rgba(255,255,255,0.16); }

/* ─── lead form ─────────────────────────────────────────────────────── */
.lead-form {
  max-width: 640px; margin: 28px auto 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 26px;
  text-align: left;
}
.lead-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 10px;
}
.lead-form input, .lead-form textarea {
  width: 100%;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.lead-form input::placeholder, .lead-form textarea::placeholder { color: rgba(205,218,236,0.55); }
.lead-form input:focus, .lead-form textarea:focus {
  border-color: var(--accent);
  background: rgba(0,0,0,0.35);
}
.lead-form textarea { resize: vertical; min-height: 90px; }
.lead-actions {
  display: flex; align-items: center; gap: 16px; margin-top: 6px;
}
.lead-msg { font-size: 13px; }
.lead-msg.ok  { color: #34d399; }
.lead-msg.err { color: #f87171; }
.lead-fineprint {
  font-size: 11px; color: rgba(205,218,236,0.55); margin-top: 12px;
}
@media (max-width: 600px) {
  .lead-grid { grid-template-columns: 1fr; }
}

/* ─── footer ──────────────────────────────────────────────────────── */
.foot {
  padding: 32px 36px;
  background: #fff;
  border-top: 1px solid var(--rule);
}
.foot-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted);
  flex-wrap: wrap; gap: 12px;
}
.foot-meta { display: flex; gap: 10px; align-items: center; }
.foot-meta a:hover { color: var(--accent); }

/* ─── responsive ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .hero { padding: 60px 20px 80px; }
  .hero h1 { font-size: 40px; }
  .lede { font-size: 16px; }
  .section { padding: 60px 20px; }
  .section-dark > * { padding-left: 20px; padding-right: 20px; }
  .section-head h2 { font-size: 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 32px; padding: 32px 24px; margin: 40px 0; }
  .feature-text h3 { font-size: 22px; }
  .hero-meta { gap: 24px; }
  .hero-meta strong { font-size: 28px; }
  .cta-inner h2 { font-size: 28px; }
}