:root{
  --bg:#0b1020;
  --surface:#0f1630;
  --paper:#101a36;
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --border:rgba(255,255,255,.10);
  --shadow:0 14px 60px rgba(0,0,0,.35);
  --accent:#7c5cff;
  --accent2:#31d0ff;
  --radius:18px;
  --radius2:26px;
  --max:1120px;
  --serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(1100px 600px at 20% -10%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(900px 520px at 85% 0%, rgba(49,208,255,.14), transparent 55%),
    radial-gradient(1200px 700px at 50% 120%, rgba(124,92,255,.10), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:inherit; text-decoration:none}
a.link{color:rgba(234,240,255,.92); text-decoration:none; border-bottom:1px solid rgba(124,92,255,.35)}
a.link:hover{border-bottom-color:rgba(49,208,255,.55)}

/* Buttons (homepage uses .btn, legacy uses .button) */
.btn,.button{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.92);
  font-weight:800;
  cursor:pointer;
}
.btn.primary,.button.primary{
  border:none;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(49,208,255,.82));
  color:#08102a;
}
.btn:hover,.button:hover{filter:brightness(1.04)}

/* Homepage helpers */
.card-pad{padding:22px}
.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:800}
.h1{margin:6px 0 0;font-size:42px;letter-spacing:-.035em;line-height:1.05;font-weight:850}
.lead{margin:12px 0 0;color:var(--muted);line-height:1.8;font-size:16px}
.mini{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);color:var(--muted);font-size:13px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.hero-grid{display:grid;gap:18px;align-items:stretch}
@media (min-width: 980px){ .hero-grid{grid-template-columns:1.1fr .9fr} }

.featured-grid{display:grid;gap:14px}
@media (min-width: 760px){ .featured-grid{grid-template-columns:repeat(3,1fr)} }
.post-card{display:flex;flex-direction:column;gap:8px;padding:16px;border-radius:18px;
  background:linear-gradient(180deg, rgba(15,22,48,.98), rgba(15,22,48,.92));
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow);min-height:160px}
.post-card .meta{font-size:12px;color:var(--muted)}
.post-card h3{margin:0;font-size:16px;line-height:1.25}
.post-card .excerpt{margin:0;color:var(--muted);line-height:1.55}
.post-card:hover{transform:translateY(-1px);transition:transform .15s ease}

/* Tools layout */
.tool-grid{display:grid;gap:14px}
@media (min-width: 860px){ .tool-grid{grid-template-columns:repeat(3,1fr)} }
.tool-card{padding:16px}
.tool-card h3{margin:0 0 6px;font-size:16px}
.tool-card .help{margin:0 0 12px;color:var(--muted);line-height:1.6;font-size:13px}


.container{max-width:var(--max); margin:0 auto; padding: 0 18px;}

.navbar{
  position:sticky; top:0; z-index:60;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(11,16,32,.86), rgba(11,16,32,.58));
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px;
  padding: 14px 0;
}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none}
.brand img{width:30px; height:30px}
.brand span{font-weight:800; letter-spacing:.2px}
.nav-links{display:flex; gap:12px; align-items:center}
.nav-links a{
  font-weight:650; font-size:14px;
  padding:10px 12px;
  border-radius:999px;
  text-decoration:none;
  color:rgba(234,240,255,.86);
}
.nav-links a:hover{background:rgba(255,255,255,.06)}
.nav-links a.active{background:rgba(124,92,255,.18); border:1px solid rgba(124,92,255,.22)}

.hamburger{
  display:none;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  color:rgba(234,240,255,.92);
  border-radius:14px;
  padding:10px 12px;
  cursor:pointer;
}
.hamburger svg{display:block}

.mobile-overlay{
  display:none;
  position:fixed; inset:0;
  background:rgba(0,0,0,.55);
  z-index:80;
}
.mobile-overlay.show{display:block}
.mobile-overlay.active{display:block}
.mobile-drawer{
  position:absolute; right:14px; top:64px;
  width:min(320px, calc(100vw - 28px));
  background:linear-gradient(180deg, rgba(15,22,48,.98), rgba(15,22,48,.92));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow);
  border-radius:18px;
  padding:10px;
}
.mobile-drawer a{
  display:block; text-decoration:none;
  padding:12px 12px;
  border-radius:14px;
  color:rgba(234,240,255,.92);
  font-weight:650;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.06)}

@media (max-width: 860px){
  .nav-links{display:none}
  .hamburger{display:inline-flex; align-items:center; justify-content:center}
}

.hero{
  padding: 44px 0 20px;
}
.card{
  background: linear-gradient(180deg, rgba(16,26,54,.88), rgba(15,22,48,.72));
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius2);
  box-shadow: 0 18px 70px rgba(0,0,0,.28);
}
.card.pad{padding:22px}
.grid{display:grid; gap:16px}
.grid.two{grid-template-columns: repeat(2, minmax(0,1fr))}
.grid.three{grid-template-columns: repeat(3, minmax(0,1fr))}
@media (max-width: 980px){ .grid.three{grid-template-columns: repeat(2, minmax(0,1fr))} }
@media (max-width: 640px){ .grid.two, .grid.three{grid-template-columns: 1fr} }

.badge{
  display:inline-flex; gap:8px; align-items:center;
  font-weight:650;
  padding:8px 12px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:rgba(234,240,255,.86);
}

.breadcrumbs{font-size:13px; color:rgba(234,240,255,.72); margin: 12px 0 0}
.breadcrumbs a{color:rgba(234,240,255,.86); text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}

.article-shell{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
  align-items:start;
  padding: 22px 0 44px;
}
@media (max-width: 980px){
  .article-shell{grid-template-columns: 1fr; padding-bottom: 34px;}
}

.prose{
  background: linear-gradient(180deg, rgba(16,26,54,.90), rgba(15,22,48,.72));
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius2);
  padding: 22px 22px 26px;
  box-shadow: 0 20px 70px rgba(0,0,0,.25);
}

.prose h1{
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing:-.6px;
  margin: 8px 0 10px;
}
.prose .meta{color:rgba(234,240,255,.70); font-size:14px; margin-bottom: 14px}
.prose p{color:rgba(234,240,255,.88); font-size:16px; line-height:1.8; margin: 0 0 14px}
.prose p.lead{
  font-size:18px;
  line-height:1.9;
  color:rgba(234,240,255,.92);
}
.prose p.lead:first-letter{
  float:left;
  font-family:var(--serif);
  font-size: 52px;
  line-height: 0.95;
  margin: 6px 10px 0 0;
  color: rgba(234,240,255,.95);
}
.prose h2{
  margin: 22px 0 10px;
  font-size: 22px;
  letter-spacing:-.2px;
}
.prose h3{
  margin: 18px 0 8px;
  font-size: 18px;
}
.prose ul, .prose ol{margin: 8px 0 16px; padding-left: 22px}
.prose li{margin: 8px 0; line-height:1.7; color:rgba(234,240,255,.88)}
.prose blockquote{
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 3px solid rgba(124,92,255,.55);
  background: rgba(255,255,255,.04);
  border-radius: 16px;
  color: rgba(234,240,255,.86);
}
.prose hr{border:none; height:1px; background:rgba(255,255,255,.10); margin: 20px 0}
.prose code{background:rgba(255,255,255,.06); padding:2px 6px; border-radius:10px}

.prose a{color:rgba(49,208,255,.92); text-decoration:none; border-bottom: 1px solid rgba(49,208,255,.35)}
.prose a:hover{border-bottom-color: rgba(124,92,255,.55)}

.searchbar{
  margin: 12px 0 18px;
  display:flex; gap:10px; align-items:center;
}
.searchbar input{
  width:100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(234,240,255,.92);
  outline:none;
}
.searchbar input::placeholder{color:rgba(234,240,255,.55)}
.searchbar button{
  border:none;
  padding: 12px 14px;
  border-radius:16px;
  background: linear-gradient(135deg, rgba(124,92,255,.92), rgba(49,208,255,.80));
  color:#08102a;
  font-weight:800;
  cursor:pointer;
}
.searchbar button:hover{filter:brightness(1.03)}

.toc{
  position:sticky;
  top: 88px;
  background: linear-gradient(180deg, rgba(16,26,54,.86), rgba(15,22,48,.72));
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius2);
  padding: 16px 16px 14px;
}
.toc strong{display:block; margin-bottom:10px; color:rgba(234,240,255,.88)}
.toc ul{list-style:none; padding:0; margin:0}
.toc li{margin:0}
.toc a{
  display:block;
  padding: 8px 10px;
  border-radius: 12px;
  color: rgba(234,240,255,.76);
  text-decoration:none;
  border:1px solid transparent;
}
.toc a:hover{background: rgba(255,255,255,.05)}
@media (max-width: 980px){ .toc{display:none} }

#progress{
  position:sticky;
  top:0;
  z-index:70;
  height:3px;
  background: rgba(255,255,255,.08);
}
#progress > div{
  height:100%;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, rgba(124,92,255,.9), rgba(49,208,255,.85));
}

/* Anchor offset so headings don't hide under sticky nav */
.prose h2, .prose h3{scroll-margin-top: 92px}

/* Footer */
.footer{
  padding: 26px 0 34px;
  color: rgba(234,240,255,.72);
}
.footer .footgrid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}
@media (max-width: 740px){ .footer .footgrid{grid-template-columns:1fr} }

.cookie-banner{
  position:fixed;
  left:14px; right:14px; bottom:14px;
  display:none;
  z-index:90;
}
.cookie-banner.show{display:block}
.cookie-inner{
  max-width: var(--max);
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(16,26,54,.96), rgba(15,22,48,.92));
  border:1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px 14px;
  display:flex; gap: 12px;
  align-items:center; justify-content:space-between;
}
.cookie-inner p{margin:0; color: rgba(234,240,255,.78); font-size:13px; line-height:1.45}
.cookie-actions{display:flex; gap:10px; flex-wrap:wrap}
.button{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.92);
  text-decoration:none;
  font-weight:800;
  cursor:pointer;
}
.button.primary{
  border:none;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(49,208,255,.82));
  color:#08102a;
}
.button:hover{filter:brightness(1.04)}
@media (max-width: 680px){
  .cookie-inner{flex-direction:column; align-items:stretch}
  .cookie-actions{justify-content:flex-end}
}