:root {
  --bg: #f4f6f8;
  --card: #fff;
  --border: #d8dee4;
  --text: #1f2933;
  --muted: #5f6b7a;
  --primary: #0b6e99;
  --primary-dark: #095a7d;
  --accent: #027a48;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  background: linear-gradient(180deg, #eef4f8 0%, var(--bg) 240px);
  color: var(--text);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.hero {
  margin-bottom: 2rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(11, 110, 153, 0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.05rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: rgba(11, 110, 153, 0.35);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
}

.card-icon.dev {
  background: rgba(11, 110, 153, 0.12);
  color: var(--primary);
}

.card-icon.ops {
  background: rgba(181, 71, 8, 0.12);
  color: #b54708;
}

.card-icon.issuer {
  background: rgba(2, 122, 72, 0.12);
  color: var(--accent);
}

.card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  flex: 1;
}

.card-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.card:hover .card-cta {
  color: var(--primary-dark);
}

.info-panel {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.info-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
}

.info-panel ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

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

footer a:hover {
  text-decoration: underline;
}