:root {
  --text: #111111;
  --muted: #475569;
  --faint: #64748b;
  --bg: #ffffff;
  --line: #e6e6e6;
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */

.site-header {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 18px;
}

.header-link {
  font-size: 14px;
  color: var(--muted);
}

/* HERO */

.hero {
  padding: 72px 0 40px;
}

.kicker {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 20px;
}

.lead {
  font-size: 20px;
  margin: 0 0 16px;
  max-width: 72ch;
}

.lead-subtle {
  font-size: 16px;
  color: var(--faint);
  margin: 0;
}

/* SECTIONS */

.section {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  font-size: 18px;
  margin: 0 0 14px;
  font-weight: 500;
}

.section p {
  margin: 0 0 14px;
  max-width: 75ch;
}

.emphasis {
  font-weight: 500;
}

.principles,
.bullets {
  margin: 16px 0 20px 20px;
  padding: 0;
}

.principles li,
.bullets li {
  margin-bottom: 8px;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  font-size: 13px;
  color: var(--faint);
}

.footer-line {
  margin: 0 0 12px;
}

.footer-legal {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

/* MOBILE */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero {
    padding: 48px 0 28px;
  }

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