* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  color: #111;
  background: #fafafa;
}

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

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.95em;
  background: #f2f2f2;
  padding: 0.12em 0.35em;
  border-radius: 6px;
}

.container {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: #555;
}

.nav-links a:hover {
  color: #111;
}

.hero {
  padding: 88px 0 64px;
}

.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #666;
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.02;
  margin: 0 0 18px;
  letter-spacing: -0.04em;
  max-width: 820px;
}

.subtitle {
  max-width: 760px;
  font-size: 20px;
  color: #444;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  border: 1px solid #222;
  padding: 10px 16px;
  border-radius: 999px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.button.primary {
  background: #111;
  color: white;
}

.section {
  padding: 36px 0;
}

.section-header {
  margin-bottom: 14px;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.section-note {
  margin: 0;
  color: #666;
  font-size: 15px;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.card {
  background: white;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 22px;
  margin: 16px 0;
}

.feature-card {
  border-color: #dcdcdc;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.meta {
  font-size: 13px;
  color: #666;
  margin-top: -2px;
  margin-bottom: 10px;
}

.links-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.links-row a,
#contact a {
  color: #111;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-note {
  color: #666;
  margin-bottom: 0;
}

.footer {
  padding: 40px 0 56px;
  color: #666;
  font-size: 14px;
}

@media (max-width: 800px) {
  .list-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .hero {
    padding-top: 56px;
  }

  .subtitle {
    font-size: 18px;
  }
}