:root {
  --bg: #f4f7f1;
  --surface: #ffffff;
  --ink: #16251f;
  --muted: #4f635a;
  --brand: #0f7a5c;
  --brand-dark: #0c5f48;
  --line: #dce8de;
  --alert-bg: #fff1df;
  --alert-line: #ffb04f;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, #e3f5eb 0, transparent 38%),
    radial-gradient(circle at 90% 0%, #e8f0ff 0, transparent 30%),
    var(--bg);
  line-height: 1.65;
}

.container {
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero__content {
  background: linear-gradient(130deg, #0f7a5c 0%, #145d7d 100%);
  color: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 22px 40px -30px rgba(0, 0, 0, 0.55);
}

.tag {
  display: inline-block;
  margin: 0;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1 {
  margin: 0.9rem 0 0.4rem;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
}

.hero__subtitle {
  margin: 0;
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.92);
}

.hero__nav {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero__nav a {
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-weight: 700;
  font-size: 0.93rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.7rem;
  margin-bottom: 1.2rem;
}

h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: clamp(1.4rem, 2.3vw, 1.8rem);
}

h3 {
  margin-top: 1.2rem;
  margin-bottom: 0.35rem;
  font-size: 1.04rem;
}

p {
  margin-top: 0;
}

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

ul {
  margin-top: 0.35rem;
  padding-left: 1.2rem;
}

li {
  margin-bottom: 0.35rem;
}

a {
  color: var(--brand-dark);
}

.alert {
  border-left: 5px solid var(--alert-line);
  background: var(--alert-bg);
  padding: 0.85rem 0.95rem;
  border-radius: 8px;
}

.footer {
  padding: 2rem 0 2.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .hero {
    padding-top: 2.3rem;
  }

  .hero__content {
    padding: 1.3rem;
    border-radius: 16px;
  }

  .card {
    padding: 1rem;
    border-radius: 14px;
  }
}