:root {
  --primary: #0f766e;
  --primary-dark: #0d5c56;
  --text: #0f172a;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

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

header {
  background: var(--primary);
  color: #fff;
  padding: 28px 20px;
}

header .wrap,
main .wrap,
footer .wrap {
  max-width: 720px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.brand-text {
  min-width: 0;
}

header h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
  font-weight: 700;
}

header p {
  margin: 0;
  opacity: 0.92;
  font-size: 0.95rem;
}

nav.top {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: 0.9rem;
}

nav.top a {
  color: #fff;
  text-decoration: underline;
}

main {
  padding: 28px 20px 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 22px;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 22px;
}

h2 {
  font-size: 1.15rem;
  margin: 28px 0 10px;
  color: var(--primary-dark);
}

h2:first-child {
  margin-top: 0;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 6px;
}

footer {
  padding: 0 20px 32px;
  color: var(--muted);
  font-size: 0.88rem;
}

footer .wrap {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

@media (max-width: 600px) {
  .brand {
    gap: 12px;
  }

  .brand-logo {
    width: 52px;
    height: 52px;
    border-radius: 12px;
  }

  header h1 {
    font-size: 1.35rem;
  }

  .card {
    padding: 18px 16px;
  }
}