:root {
  color-scheme: light;
  --bg: #f7f5f1;
  --surface: #ffffff;
  --text: #1f2528;
  --muted: #5f6a70;
  --line: #d9d4ca;
  --accent: #1f6feb;
  --accent-soft: #e6f0ff;
  --ink-soft: #354148;
  --max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

body {
  margin: 0;
}

a {
  color: var(--accent);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

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

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

.brand {
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

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

.page {
  padding: 56px 0 72px;
}

.hero {
  padding: 0 0 36px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 44px 0 14px;
  font-size: 1.45rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.08rem;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 20px;
  padding-left: 1.25rem;
}

.lead {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 24px 0 0;
}

.card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
}

.section {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .page {
    padding-top: 40px;
  }
}