:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #16181a;
  --muted: #5b6669;
  --accent: #0a7c66;
  --border: #e1e6e4;
  --shadow: 0 12px 28px rgba(22, 24, 26, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--surface);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  z-index: 10;
}

.skip-link:focus {
  left: 12px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  padding: 28px 0 16px;
}

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

.brand {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

nav a {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text);
}

nav a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

.hero {
  padding: 32px 0 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin-bottom: 12px;
}

.hero .lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  text-decoration: none;
}

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

.section {
  padding: 24px 0;
}

.section h2 {
  margin-top: 0;
  font-size: 1.6rem;
}

.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.muted {
  color: var(--muted);
}

.list {
  padding-left: 20px;
  margin: 12px 0 0;
}

.accordion {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
}

details summary {
  cursor: pointer;
  font-weight: 600;
}

.page-header {
  padding: 28px 0 12px;
}

.page-header h1 {
  margin-bottom: 8px;
}

.footer {
  margin-top: 40px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

@media (min-width: 720px) {
  .hero {
    padding: 48px 0 24px;
  }
}