:root {
  color-scheme: dark;
  --bg: #080b12;
  --panel: #101723;
  --panel-soft: #141e2e;
  --text: #f7f3ea;
  --muted: #9aa4b4;
  --line: rgba(247, 243, 234, .13);
  --amber: #f8b84e;
  --cyan: #6ed9df;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Arial, Helvetica, sans-serif; line-height: 1.7; }
a { color: inherit; }
.article-shell { min-height: 100vh; overflow: hidden; background: radial-gradient(circle at 85% 8%, rgba(110, 217, 223, .08), transparent 28rem), var(--bg); }
.container { width: min(calc(100% - 40px), var(--max-width)); margin: 0 auto; }
.article-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; font-size: 18px; font-weight: 800; letter-spacing: -.05em; }
.brand-mark { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid rgba(248, 184, 78, .7); border-radius: 50%; color: var(--amber); background: linear-gradient(135deg, rgba(110, 217, 223, .15), rgba(248, 184, 78, .08)); font-size: 10px; letter-spacing: .06em; }
.brand-name span { color: var(--amber); }
.back-link { color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; }
.back-link:hover { color: var(--amber); }
.article-main { padding: 92px 0 110px; }
.article-intro { max-width: 800px; margin: 0 auto 60px; text-align: center; }
.eyebrow { margin: 0 0 20px; color: var(--amber); font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.article-intro h1 { margin: 0 auto 25px; font-size: clamp(2.7rem, 6vw, 5.6rem); line-height: .98; letter-spacing: -.08em; }
.lead { margin: 0 auto; color: var(--muted); font-size: 18px; line-height: 1.75; }
.article-meta { display: flex; justify-content: center; gap: 20px; margin-top: 25px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 260px; justify-content: center; gap: 75px; }
.article-content { min-width: 0; }
.article-content h2 { margin: 48px 0 15px; color: var(--text); font-size: clamp(1.75rem, 3vw, 2.6rem); line-height: 1.08; letter-spacing: -.06em; }
.article-content h2:first-child { margin-top: 0; }
.article-content p { margin: 0 0 20px; color: var(--muted); font-size: 16px; }
.article-content strong { color: var(--text); }
.article-content a { color: var(--amber); font-weight: 700; }
.article-aside { align-self: start; position: sticky; top: 24px; padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(16, 23, 35, .76); }
.article-aside h2 { margin: 0 0 13px; font-size: 12px; letter-spacing: .15em; text-transform: uppercase; }
.article-aside a { display: block; padding: 8px 0; border-bottom: 1px solid rgba(247, 243, 234, .08); color: var(--muted); font-size: 13px; text-decoration: none; }
.article-aside a:last-child { border-bottom: 0; }
.article-aside a:hover { color: var(--amber); }
.article-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 60px; padding-top: 30px; border-top: 1px solid var(--line); }
.article-nav a { padding: 18px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); font-size: 13px; text-decoration: none; }
.article-nav a:hover { border-color: rgba(248, 184, 78, .55); color: var(--text); }
.article-nav a:last-child { text-align: right; }
.site-footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer .container { display: flex; justify-content: space-between; gap: 20px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--amber); }
@media (max-width: 820px) {
  .article-main { padding: 65px 0 80px; }
  .article-layout { grid-template-columns: 1fr; gap: 35px; }
  .article-aside { position: static; order: -1; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 32px), var(--max-width)); }
  .header-inner { min-height: 72px; }
  .back-link { font-size: 12px; }
  .article-intro { margin-bottom: 43px; }
  .article-intro h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
  .lead { font-size: 16px; }
  .article-meta { flex-direction: column; gap: 4px; }
  .article-content p { font-size: 15px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav a:last-child { text-align: left; }
  .site-footer .container { align-items: flex-start; flex-direction: column; }
}