@import url("./shared-components.css");

:root {
  --ink: #080711;
  --surface: #111026;
  --panel: #171531;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f7f8fc;
  --muted: #a7b0c5;
  --brand: #8b5cf6;
  --brand-2: #5eead4;
  --max: 1180px;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(
      circle at 8% -10%,
      rgba(139, 92, 246, 0.28),
      transparent 32rem
    ),
    radial-gradient(
      circle at 96% 12%,
      rgba(79, 110, 247, 0.18),
      transparent 26rem
    ),
    linear-gradient(180deg, #0b0a18 0, #080711 38rem, #07070d 100%);
  color: var(--text);
  line-height: 1.7;
}
a {
  color: inherit;
  text-decoration: none;
}
.site-header {
  height: 76px;
}
.site-footer__inner,
.hub,
.article-layout {
  max-width: var(--max);
  margin: auto;
  padding-left: 24px;
  padding-right: 24px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), #5b7cfa);
  padding: 10px 17px;
  border-radius: 9px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
nav.cn-nav.scrolled {
  background: rgba(8, 7, 17, 0.86);
  border-bottom-color: rgba(196, 181, 253, 0.15);
}
nav.cn-nav.scrolled .cn-nav__link,
nav.cn-nav.scrolled .cn-nav__logo span {
  color: #e9e6f2;
}
nav.cn-nav.scrolled .cn-nav__link.active,
nav.cn-nav.scrolled .cn-nav__link:hover {
  background: rgba(196, 181, 253, 0.12);
  color: #fff;
}
.hub-hero {
  padding: 92px 0 56px;
  background:
    radial-gradient(
      circle at 20% 15%,
      rgba(139, 92, 246, 0.38),
      transparent 34%
    ),
    radial-gradient(
      circle at 80% 5%,
      rgba(94, 234, 212, 0.16),
      transparent 27%
    ),
    linear-gradient(180deg, rgba(17, 14, 40, 0.56), transparent);
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hub-hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.hub-hero p {
  max-width: 690px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}
.hub {
  padding-top: 50px;
  padding-bottom: 80px;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.topic-card {
  display: flex;
  min-height: 235px;
  flex-direction: column;
  padding: 25px;
  background: linear-gradient(
    155deg,
    rgba(31, 39, 67, 0.95),
    rgba(18, 23, 42, 0.95)
  );
  border: 1px solid var(--line);
  border-radius: 16px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}
.topic-card:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.65);
}
.topic-card__number {
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.topic-card h2 {
  margin: 16px 0 10px;
  font-size: 21px;
  line-height: 1.22;
  letter-spacing: -0.03em;
}
.topic-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.topic-card__link {
  margin-top: auto;
  padding-top: 20px;
  color: #d9cbff;
  font-size: 14px;
  font-weight: 700;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 52px;
  padding-top: 64px;
  padding-bottom: 80px;
}
.article-content {
  min-width: 0;
}
.breadcrumbs {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}
.breadcrumbs a:hover {
  color: #fff;
}
.article-content h1 {
  max-width: 870px;
  margin: 0;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}
.dek {
  max-width: 760px;
  margin: 22px 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}
.article-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 40px;
  color: #8791aa;
  font-size: 13px;
}
.article-meta span + span:before {
  content: "•";
  margin-right: 12px;
}
.article-content h2 {
  margin: 46px 0 14px;
  font-size: 29px;
  line-height: 1.18;
  letter-spacing: -0.035em;
}
.article-content h3 {
  margin: 28px 0 8px;
  font-size: 21px;
}
.article-content p,
.article-content li {
  color: #d9ddea;
  font-size: 17px;
}
.article-content ul {
  padding-left: 22px;
}
.article-content li + li {
  margin-top: 8px;
}
.callout {
  margin: 32px 0;
  padding: 23px 25px;
  border-left: 3px solid var(--brand-2);
  border-radius: 0 12px 12px 0;
  background: rgba(94, 234, 212, 0.07);
  color: #dde6ee;
}
.article-cta {
  margin-top: 46px;
  padding: 31px;
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.18),
    rgba(91, 124, 250, 0.1)
  );
}
.article-cta h2 {
  margin: 0 0 9px;
  font-size: 27px;
}
.article-cta p {
  margin: 0 0 20px;
}
.article-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}
.sidebar-card {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.sidebar-card + .sidebar-card {
  margin-top: 16px;
}
.sidebar-card h2 {
  margin: 0 0 13px;
  font-size: 16px;
}
.sidebar-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.sidebar-list {
  padding: 0;
  margin: 0;
  list-style: none;
}
.sidebar-list li + li {
  border-top: 1px solid var(--line);
}
.sidebar-list a {
  display: block;
  padding: 11px 0;
  color: #d9ddea;
  font-size: 14px;
  line-height: 1.35;
}
.sidebar-list a:hover {
  color: var(--brand-2);
}
.sidebar-external {
  display: block;
  margin-top: 16px;
  padding: 12px;
  border-radius: 9px;
  background: rgba(139, 92, 246, 0.15);
  color: #e4dcff;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}
.site-footer {
  border-top: 1px solid var(--line);
  background: #090b16;
}
.site-footer__inner {
  padding-top: 40px;
  padding-bottom: 32px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 14px;
}
.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-links a:hover {
  color: #fff;
}
@media (max-width: 900px) {
  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .sidebar-card + .sidebar-card {
    margin-top: 0;
  }
}
@media (max-width: 640px) {
  .site-header__inner {
    height: 64px;
  }
  .site-nav {
    display: none;
  }
  .header-cta {
    padding: 8px 12px;
    font-size: 12px;
  }
  .hub-hero {
    padding: 62px 0 38px;
  }
  .topic-grid,
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .hub,
  .article-layout,
  .site-header__inner,
  .site-footer__inner {
    padding-left: 18px;
    padding-right: 18px;
  }
  .article-layout {
    padding-top: 42px;
    gap: 32px;
  }
  .article-content h2 {
    margin-top: 34px;
  }
  .site-footer__inner {
    display: block;
  }
  .footer-links {
    margin-top: 14px;
  }
}