/* ===== Base / Reset ===== */

:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e5e7eb;
  --link: #0b5bd3;
  --radius: 14px;
  --maxw: 960px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

/* ===== Layout ===== */

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

main.container {
  padding-top: 32px;
  padding-bottom: 48px;
}

/* ===== Header ===== */

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
}

.brand-mark {
  max-width: 32px;
  height: auto;
  display: block;
}

.nav a {
  margin-left: 16px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

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

/* ===== Footer ===== */

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

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* ===== Typography ===== */

h1 {
  font-size: 32px;
  margin-top: 0;
  margin-bottom: 12px;
}

h2 {
  font-size: 22px;
  margin-top: 28px;
  margin-bottom: 10px;
}

h3 {
  font-size: 18px;
  margin-top: 22px;
  margin-bottom: 8px;
}

p {
  margin-top: 0;
  margin-bottom: 14px;
}

ul {
  margin-top: 0;
  margin-bottom: 14px;
  padding-left: 20px;
}

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

a:hover {
  text-decoration: underline;
}

/* ===== Components ===== */

.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 72ch;
}

/* Cards */

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px;
  background: #ffffff;
}

/* Badges */

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--muted);
  background: #ffffff;
}

/* Call to Action */

.cta {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.cta:hover {
  border-color: #cbd5e1;
  text-decoration: none;
}

/* ===== Grid Layout ===== */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.col-7 {
  grid-column: span 7;
}

.col-5 {
  grid-column: span 5;
}

/* ===== Responsive ===== */

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

  .col-7,
  .col-5 {
    grid-column: span 1;
  }

  .nav a {
    margin-left: 12px;
  }

  h1 {
    font-size: 28px;
  }
}