:root{
  --bg:#000;
  --text:#f3f4f6;
  --muted:#9aa1a9;
  --line:rgba(255,255,255,.1);
  --silver:#d7dee6;
  --success:#7ddea0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:'Manrope',sans-serif;
  background:var(--bg);
  line-height:1.7;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 70% 40% at 50% -10%, rgba(255,255,255,.07), transparent 55%),
    radial-gradient(ellipse 50% 30% at 90% 20%, rgba(180,195,210,.05), transparent 50%);
}
a{color:inherit}
h1,h2,h3,.logo,.eyebrow{
  font-family:'Syne',sans-serif;
  font-weight:700;
  letter-spacing:-.03em;
}
.wrap{
  width:min(820px, calc(100% - 40px));
  margin:0 auto;
  position:relative;
  z-index:1;
}
.wrap-wide{width:min(1080px, calc(100% - 40px))}
nav{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;
  background:rgba(0,0,0,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;font-size:15px;letter-spacing:.08em;
}
.logo img{width:28px;height:28px;object-fit:contain}
.nav-links{display:flex;gap:18px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav-links a{
  text-decoration:none;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
}
.nav-links a:hover,.nav-links a.active{color:#fff}
main{padding:48px 0 80px;position:relative;z-index:1}
.eyebrow{
  display:inline-block;margin:0 0 14px;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--silver);font-weight:600;
}
h1{
  margin:0 0 12px;
  font-size:clamp(28px, 5vw, 44px);
  line-height:1.08;
}
h2{
  margin:36px 0 12px;
  font-size:clamp(22px, 3vw, 28px);
  line-height:1.15;
}
h3{margin:28px 0 10px;font-size:18px}
.lead{
  margin:0 0 28px;
  color:var(--muted);
  font-size:clamp(15px, 1.5vw, 17px);
  max-width:42em;
}
.toc{
  margin:0 0 32px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.02);
}
.toc strong{
  display:block;margin-bottom:10px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);
}
.toc ol{margin:0;padding-left:18px;color:var(--muted);font-size:14px}
.toc li{margin:0 0 6px}
.toc a{text-decoration:none}
.toc a:hover{color:#fff}
.article-body h3{margin:22px 0 8px;font-size:17px;color:#e8eef4}
.article-body strong{color:#eef2f6}
.keybox{
  margin:18px 0 22px;padding:16px 18px;
  border-left:3px solid rgba(215,222,230,.55);
  background:rgba(255,255,255,.03);border-radius:0 12px 12px 0;
  color:var(--muted);font-size:14px;
}
.meta{
  margin:0 0 28px;
  color:var(--muted);
  font-size:13px;
  display:flex;flex-wrap:wrap;gap:8px 16px;
}
.article-body p{margin:0 0 16px;color:#d5dae0}
.article-body ul,.article-body ol{
  margin:0 0 18px;padding-left:20px;color:#d5dae0;
}
.article-body li{margin:0 0 8px}
.article-body a{color:var(--silver);text-underline-offset:2px}
.article-body a:hover{color:#fff}

/* Article images */
.article-hero,
.article-figure{
  margin:0 0 28px;
  padding:0;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:#050505;
}
.article-hero{margin:8px 0 28px}
.article-figure{margin:28px 0}
.article-hero img,
.article-figure img{
  display:block;width:100%;height:auto;
  max-height:420px;object-fit:cover;object-position:center;
  filter:brightness(.88) contrast(1.06) saturate(.92);
}
.article-hero figcaption,
.article-figure figcaption{
  margin:0;padding:12px 16px;
  font-size:13px;line-height:1.45;color:var(--muted);
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}

.cta-box{
  margin:40px 0 0;
  padding:22px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.03);
}
.cta-box p{margin:0 0 14px;color:var(--muted)}
.cta-box .btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 18px;border-radius:12px;
  background:linear-gradient(135deg,#fff,#d0dae4);color:#0a0a0a;
  text-decoration:none;font-weight:700;font-size:14px;
}
.related{
  margin:36px 0 0;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.related strong{
  display:block;margin-bottom:12px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);
}
.related-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.related-list a{
  display:inline-block;padding:8px 12px;border-radius:999px;
  border:1px solid var(--line);text-decoration:none;font-size:12px;color:var(--muted);
}
.related-list a:hover{color:#fff;border-color:rgba(255,255,255,.28)}
.faq details{
  margin:0 0 10px;padding:14px 16px;
  border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.02);
}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:10px 0 0;color:var(--muted);font-size:14px}

.blog-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:14px;
  margin-top:28px;
}
.blog-card{
  display:flex;flex-direction:column;gap:8px;
  padding:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
  text-decoration:none;
  transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.blog-card:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04);transform:translateY(-2px)}
.blog-card .thumb{
  display:block;width:100%;aspect-ratio:16/10;object-fit:cover;
  background:#0a0a0a;border-bottom:1px solid var(--line);
  filter:brightness(.88) contrast(1.06) saturate(.92);
}
.blog-card .card-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px}
.blog-card .cat{
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);font-weight:600;
}
.blog-card h2{margin:0;font-size:18px;line-height:1.25}
.blog-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}

footer{
  padding:28px 20px 36px;text-align:center;
  border-top:1px solid rgba(255,255,255,.06);
  color:var(--muted);font-size:12px;
  position:relative;z-index:1;
}
footer a{color:var(--muted);text-decoration:none;margin:0 8px}
footer a:hover{color:#fff}

@media (max-width:720px){
  main{padding:36px 0 64px}
}