:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #6d7485;
  --line: #e6e9f0;
  --accent: #ff7a00;
  --accent-soft: #fff1e6;
  --link: #0b66d0;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f8f9fb 0%, #f2f4f7 100%);
  color: var(--text);
  line-height: 1.5;
}

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

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hero {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.hero-small {
  margin-bottom: 16px;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.1;
}

h2 {
  margin-top: 0;
  color: var(--text);
}

h3 {
  margin-bottom: 6px;
}

p {
  margin: 0 0 12px;
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.card:hover {
  border-color: #d7dce6;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

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

.content-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.04);
}

.content-card h2 {
  margin-top: 22px;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card ul {
  margin: 0 0 12px 18px;
  padding: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 12px;
  text-decoration: none;
  font-weight: 600;
}

.footer {
  margin-top: 14px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 560px) {
  .container {
    padding: 18px 14px 30px;
  }

  .hero,
  .content-card {
    border-radius: 14px;
    padding: 18px;
  }
}