:root {
  --ink: #1b1b1b;
  --muted: #5a5f5d;
  --accent: #0f6b68;
  --accent-dark: #0a4f4c;
  --accent-soft: #d9eeea;
  --card: #ffffff;
  --line: #e7e1d8;
  --shadow: 0 10px 30px rgba(18, 18, 18, 0.08);
  --radius: 16px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1000px 500px at 90% -10%, #e6f3f0 0%, transparent 55%),
    linear-gradient(180deg, #f7f3ee 0%, #ffffff 60%);
  line-height: 1.6;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid #1e8a83;
  outline-offset: 3px;
}

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

.site-header {
  padding: 28px 0 48px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--accent-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 32px;
  align-items: start;
}

.eyebrow {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(2.2rem, 2.6vw, 3rem);
  margin: 0 0 12px;
}

.lead {
  margin: 0;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 42ch;
}

.callout {
  background: var(--accent-soft);
  border-left: 6px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.callout-strong {
  margin: 0 0 10px;
  font-weight: 700;
  font-size: 1.05rem;
}

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

.section {
  padding: 40px 0 56px;
}

.section-muted {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 24px;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.body-text {
  margin: 0;
  max-width: 70ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.card-label {
  margin: 0 0 6px;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.95rem;
}

.card-value {
  margin: 0;
  font-weight: 600;
}

.identity-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

li {
  margin-bottom: 8px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 107, 104, 0.2);
}

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

.note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer {
  padding: 28px 0 40px;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .lead {
    max-width: none;
  }
}