:root {
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-text: #101114;
  --color-muted: #5f6673;
  --color-border: #e5e7eb;
  --color-accent: #111827;
  --container: 1120px;
}

* {
  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(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(16px);
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
}

.button.secondary {
  background: #ffffff;
  color: var(--color-accent);
  border-color: var(--color-border);
}

.hero {
  padding: 96px 0 72px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--color-muted);
  font-weight: 600;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.75rem, 8vw, 5.75rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.lead {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--color-border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.card {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

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

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 16px 0;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}