:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fb;
  --ink: #0b1220;
  --ink-2: #3b4252;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #1e3a8a;
  --brand-2: #2563eb;
  --accent: #14b8a6;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.05);
  --shadow-md: 0 10px 30px -10px rgba(15,23,42,0.18);
  --shadow-lg: 0 20px 60px -20px rgba(15,23,42,0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-2); text-decoration: none; }
a:hover { color: var(--brand); }

h1, h2, h3, h4 {
  font-family: inherit;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
h4 { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

p { margin: 0 0 1em; color: var(--ink-2); }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.muted { color: var(--muted); font-size: 0.9rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin-bottom: 0.75rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-name { font-size: 1rem; }
.brand-name span { color: var(--brand-2); }

.primary-nav {
  display: flex;
  gap: 24px;
}
.primary-nav a {
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 500;
}
.primary-nav a:hover { color: var(--ink); }

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.nav-login {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-2);
  padding: 8px 4px;
}
.nav-login:hover { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--brand-2);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-alt); color: var(--ink); }

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 60px;
  background:
    radial-gradient(800px 400px at 90% -10%, rgba(37,99,235,0.10), transparent 60%),
    radial-gradient(700px 350px at -10% 10%, rgba(20,184,166,0.08), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 0.5em; }
.lede {
  font-size: 1.1rem;
  color: var(--ink-2);
  max-width: 56ch;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin: 28px 0 22px;
}
.hero-trust {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  color: var(--muted);
  font-size: 0.88rem;
}
.hero-trust li {
  position: relative;
  padding-left: 18px;
}
.hero-trust li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.hero-shot img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

/* Strip */
.strip {
  border-block: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 22px 0;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.strip-grid > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.strip-grid strong {
  font-size: 1.15rem;
  color: var(--ink);
  font-weight: 700;
}
.strip-grid span { color: var(--muted); font-size: 0.85rem; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  display: block;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  transition: transform 0.12s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(37,99,235,0.3);
  color: var(--ink);
}
.feature-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(30,58,138,0.10), rgba(20,184,166,0.10));
  color: var(--brand);
  font-size: 1.15rem;
  margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 6px; }
.feature-card p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* Split sections */
.split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse { grid-template-columns: 1.1fr 1fr; }
.split.reverse .split-copy { order: 2; }
.split.reverse .split-shot { order: 1; }

.split-copy h2 { margin-bottom: 0.4em; }
.split-copy p { color: var(--ink-2); font-size: 1.02rem; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}
.check-list li {
  position: relative;
  padding: 6px 0 6px 26px;
  color: var(--ink-2);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(20,184,166,0.15);
}
.split-shot img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.split-shot figcaption,
.duo-shot figcaption {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 10px;
  text-align: center;
}

/* Duo */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.duo-shot img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.duo-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.duo-copy p { color: var(--ink-2); margin: 0; }

/* KV grid */
.kv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.kv {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.kv h3 { color: var(--ink); }
.kv p { margin: 0; color: var(--ink-2); font-size: 0.95rem; }

/* CTA */
.cta {
  background:
    radial-gradient(800px 300px at 50% 110%, rgba(20,184,166,0.18), transparent 60%),
    linear-gradient(135deg, #0b1220 0%, #1e3a8a 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta h2 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); }
.cta p { color: rgba(255,255,255,0.78); font-size: 1.1rem; margin-bottom: 32px; }
.cta .btn-primary {
  background: #fff;
  color: var(--brand);
}
.cta .btn-primary:hover { background: #f0f4ff; color: var(--brand); }

/* Footer */
.site-footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.footer-cols a {
  display: block;
  padding: 4px 0;
  color: var(--ink-2);
  font-size: 0.92rem;
}
.footer-cols a:hover { color: var(--brand); }

/* Responsive */
@media (max-width: 960px) {
  .hero { padding: 56px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .split.reverse .split-copy,
  .split.reverse .split-shot { order: initial; }
  .duo { grid-template-columns: 1fr; }
  .duo-copy { grid-template-columns: 1fr; }
  .kv-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .primary-nav { display: none; }
  .section { padding: 64px 0; }
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
}

/* Smooth scroll for anchors */
html { scroll-behavior: smooth; }