:root {
  --bg: #000000;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f5f5f7;
  --muted: #a1a1aa;
  --accent: #8ec5fc;
  --accent-2: #e0c3fc;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 80% -20%, rgba(142, 197, 252, 0.2), transparent 42%),
    radial-gradient(circle at 10% 10%, rgba(224, 195, 252, 0.16), transparent 35%),
    var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a {
  color: #c4b5fd;
  text-decoration: none;
}

a:hover {
  color: #ffffff;
}

.site-wrap {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(10, 10, 12, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.topbar-links {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  padding: 10px 14px;
}

.btn {
  background: #ffffff;
  color: #000;
}

.btn:hover {
  background: #e7e7e7;
  color: #000;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 38px 20px 72px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.article-hero {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  padding: 28px;
}

.kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #d4d4d8;
  margin-bottom: 12px;
}

h1 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.6;
  margin: 14px 0 0;
  max-width: 76ch;
}

.meta-row {
  margin-top: 14px;
  color: #c4c4cf;
  font-size: 13px;
}

.hero-img {
  margin-top: 20px;
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: block;
}

.content {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  padding: 30px;
}

.content h2 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
  letter-spacing: -0.02em;
}

.content h3 {
  margin: 28px 0 10px;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.content p {
  margin: 0 0 14px;
  color: #e4e4e7;
  line-height: 1.74;
}

.content ul,
.content ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: #e4e4e7;
}

.content li {
  margin: 0 0 10px;
  line-height: 1.68;
}

.cta-panel {
  margin-top: 26px;
  background: linear-gradient(145deg, rgba(142, 197, 252, 0.15), rgba(224, 195, 252, 0.08));
  border: 1px solid rgba(200, 200, 255, 0.28);
  border-radius: 18px;
  padding: 18px;
}

.cta-panel h3 {
  margin: 0 0 8px;
}

.cta-panel p {
  margin: 0 0 12px;
  color: #e9e9f0;
}

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

.card {
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  padding: 14px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 34px;
  padding-top: 24px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer-links {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .topbar-inner {
    padding: 12px 14px;
  }

  main {
    padding: 24px 14px 56px;
  }

  .article-hero,
  .content {
    padding: 20px;
    border-radius: 22px;
  }

  .topbar-links {
    gap: 8px;
  }

  .btn,
  .btn-ghost {
    padding: 9px 11px;
    font-size: 12px;
  }
}