:root {
  --brand-blue: #00aeef;
  --brand-dark: #0f172a;
  --brand-slate: #475569;
  --bg-muted: #f5f7fb;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--brand-slate);
  background: #ffffff;
  line-height: 1.7;
}

header {
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}

.top-bar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 1.2rem;
}

.logo-link img {
  height: 42px;
  width: 42px;
}

.primary-link {
  color: var(--brand-blue);
  text-decoration: none;
  font-weight: 600;
}

.primary-link:hover {
  text-decoration: underline;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  color: var(--brand-dark);
  margin-bottom: 12px;
}

h2 {
  font-size: 1.6rem;
  color: var(--brand-dark);
  margin-top: 48px;
  margin-bottom: 12px;
}

h3 {
  font-size: 1.2rem;
  color: var(--brand-dark);
  margin-top: 32px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 16px;
}

ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

section {
  margin-top: 32px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-blue);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 24px;
}

.back-link:hover {
  text-decoration: underline;
}

.badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg-muted);
  color: var(--brand-dark);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.info-card {
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.status-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.status-table th,
.status-table td {
  border: 1px solid var(--border);
  padding: 14px;
  text-align: left;
}

.status-ok {
  color: #0f9d58;
  font-weight: 600;
}

.status-issue {
  color: #d97706;
  font-weight: 600;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item:last-of-type {
  border-bottom: none;
}

.callout {
  border-left: 4px solid var(--brand-blue);
  background: #e8f7ff;
  padding: 16px 20px;
  border-radius: 8px;
  margin: 24px 0;
}

footer {
  border-top: 1px solid var(--border);
  background: #0b1220;
  color: #f8fafc;
  margin-top: 60px;
}

footer .footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

footer p {
  margin-bottom: 6px;
}

.footer-small {
  font-size: 0.9rem;
  color: rgba(248, 250, 252, 0.7);
}

@media (max-width: 640px) {
  .top-bar {
    flex-direction: column;
    text-align: center;
  }
}