:root {
  --bg: #0a0d14;
  --bg-alt: #111827;
  --card: #162033;
  --card-soft: #1d2a40;
  --line: rgba(148, 163, 184, 0.24);
  --text: #eef2ff;
  --muted: #cbd5e1;
  --accent: #f59e0b;
  --accent-soft: rgba(245, 158, 11, 0.16);
  --success: #34d399;
  --max: 980px;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.08), transparent 32%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.08), transparent 24%),
    linear-gradient(180deg, #0a0d14 0%, #0f172a 100%);
  color: var(--text);
  font: 400 18px/1.75 "Instrument Sans", "Segoe UI", sans-serif;
}
a { color: #fbbf24; text-decoration: none; }
a:hover { color: #fde68a; }
.site-shell { min-height: 100vh; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(10, 13, 20, 0.88);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
}
.nav-links .cta-link {
  color: #0a0d14;
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
}
.hero {
  padding: 76px 24px 32px;
}
.hero-card {
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(245, 158, 11, 0.18)),
    rgba(10, 13, 20, 0.94);
  box-shadow: 0 18px 60px rgba(2, 6, 23, 0.46);
}
.hero-inner {
  padding: 40px 28px;
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 24px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #fde68a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
}
.hero-meta {
  display: grid;
  gap: 12px;
  align-content: start;
}
.meta-card,
.sidebar-card,
.cta-card,
.network-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.86);
}
.meta-card {
  padding: 18px;
}
.meta-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fde68a;
}
.meta-card p,
.meta-card li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.meta-card ul {
  margin: 12px 0 0 18px;
  padding: 0;
}
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
}
.content {
  min-width: 0;
}
.content-card {
  background: rgba(15, 23, 42, 0.76);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px 28px;
  margin-bottom: 22px;
  box-shadow: 0 12px 40px rgba(2, 6, 23, 0.2);
}
.breadcrumbs {
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--muted);
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span { margin: 0 8px; color: #64748b; }
.content h2 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.2;
}
.content p {
  margin: 0 0 16px;
  color: var(--muted);
}
.content ul {
  margin: 0 0 20px 20px;
  padding: 0;
}
.content li {
  margin: 0 0 10px;
  color: var(--muted);
}
.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.insight {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(22, 32, 51, 0.72);
  padding: 16px;
}
.insight strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: #fde68a;
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(22, 32, 51, 0.72);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  padding: 0 18px 18px;
  margin: 0;
}
.cta-card {
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(37, 99, 235, 0.14)),
    rgba(15, 23, 42, 0.92);
}
.cta-card h2,
.cta-card h3 {
  margin: 0 0 12px;
  font-size: 26px;
}
.cta-card p {
  margin: 0 0 16px;
  color: var(--muted);
}
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}
.button-primary {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: #0a0d14;
}
.button-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(15, 23, 42, 0.86);
}
.sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
}
.sidebar-card {
  padding: 20px;
}
.sidebar-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}
.sidebar-card p,
.sidebar-card li {
  color: var(--muted);
  font-size: 15px;
}
.sidebar-card ul {
  margin: 0 0 0 18px;
  padding: 0;
}
.link-cloud {
  display: grid;
  gap: 10px;
}
.network-card {
  padding: 24px;
  margin-top: 24px;
}
.network-card h3 {
  margin: 0 0 12px;
  font-size: 24px;
}
.network-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.network-grid a,
.blog-grid a {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--muted);
  background: rgba(22, 32, 51, 0.58);
}
.blog-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.footer {
  border-top: 1px solid var(--line);
  padding: 30px 24px 56px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  color: #94a3b8;
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
}
@media (max-width: 1024px) {
  .hero-inner,
  .page {
    grid-template-columns: 1fr;
  }
  .sidebar { order: -1; }
}
@media (max-width: 720px) {
  .topbar-inner,
  .hero,
  .page,
  .footer { padding-left: 16px; padding-right: 16px; }
  .hero-inner,
  .content-card,
  .sidebar-card,
  .cta-card,
  .network-card { padding: 22px 18px; }
  .insight-grid,
  .network-grid,
  .blog-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
}