:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #111827;
  --muted: #5f6b7a;
  --border: #e5e7eb;
  --accent: #2457d6;
  --accent-dark: #1c45aa;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247,248,250,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 800;
  letter-spacing: .03em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
}

.nav-links a:hover { color: var(--text); }

.hero {
  padding: 110px 0 84px;
}

.eyebrow {
  color: var(--accent);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin: 0 0 16px;
}

h1 {
  max-width: 800px;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -.045em;
  margin: 0;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  font-size: 1.18rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 750;
  border: 1px solid var(--border);
  background: var(--surface);
}

.button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.button.primary:hover { background: var(--accent-dark); }

section {
  padding: 76px 0;
  border-top: 1px solid var(--border);
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  letter-spacing: -.03em;
  margin: 0 0 8px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 30px rgba(17,24,39,.04);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.card p {
  color: var(--muted);
  margin: 0 0 22px;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 750;
}

.about-copy {
  max-width: 760px;
  font-size: 1.08rem;
  color: var(--muted);
}

.contact-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.contact-box p {
  margin: 4px 0 0;
  color: var(--muted);
}

footer {
  padding: 34px 0 48px;
  color: var(--muted);
  font-size: .92rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a { color: var(--muted); }

.legal {
  max-width: 780px;
  padding: 70px 0 90px;
}

.legal h1 {
  font-size: clamp(2.3rem, 6vw, 3.5rem);
  margin-bottom: 8px;
}

.legal h2 {
  margin-top: 32px;
  font-size: 1.25rem;
}

.legal p, .legal li { color: var(--muted); }

@media (max-width: 720px) {
  .nav-links { gap: 14px; }
  .nav-links a:nth-child(2) { display:none; }
  .hero { padding: 80px 0 64px; }
  section { padding: 58px 0; }
  .product-grid { grid-template-columns: 1fr; }
  .contact-box { align-items: flex-start; flex-direction: column; }
}