:root{
  --bg:hsl(163 38% 6%);
  --bg-2:hsl(163 38% 9%);
  --bg-3:hsl(163 30% 13%);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:rgba(255,255,255,.92);
  --text-dim:rgba(255,255,255,.58);
  --text-faint:rgba(255,255,255,.40);
  --accent:hsl(163 100% 70%);
  --accent-deep:hsl(163 100% 45%);
  --on-accent:hsl(163 90% 8%);
  --mono:'JetBrains Mono',ui-monospace,'Cascadia Code',monospace;
  --sans:'Nunito Sans',system-ui,-apple-system,sans-serif;
  --hand:'Permanent Marker',cursive;
  --maxw:1080px;
  --narrow:720px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:18px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:var(--narrow)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--mono);font-weight:600;font-size:.9rem;
  padding:.6rem 1.15rem;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn--accent{background:var(--accent);color:var(--on-accent)}
.btn--accent:hover{filter:brightness(1.06);box-shadow:0 0 22px hsl(163 100% 70% / .35)}
.btn--lg{font-size:1rem;padding:.8rem 1.5rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:hsl(163 38% 6% / .82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-nav{display:flex;align-items:center;gap:1.4rem}
.site-nav a{font-family:var(--mono);font-size:.9rem;color:var(--text-dim);transition:color .15s}
.site-nav a:hover{color:var(--text)}
.site-nav a.btn--accent{color:var(--on-accent)}
.site-nav a.btn--accent:hover{color:var(--on-accent)}
.brand{display:inline-flex}

/* Kicker / Sticker */
.kicker{margin:0 0 1.1rem}
.kicker__sticker{
  display:inline-block;font-family:var(--mono);font-size:.72rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  background:hsl(163 100% 70% / .1);border:1px solid hsl(163 100% 70% / .28);
  padding:.35rem .7rem;border-radius:6px;transform:rotate(-1.5deg);
}

/* Hub hero */
.hub__hero{padding:72px 0 20px}
.hub__hero h1{
  font-family:var(--mono);font-weight:800;letter-spacing:-.02em;line-height:1.06;
  font-size:clamp(2.1rem,6vw,3.6rem);margin:.2rem 0 1rem;max-width:16ch;
}
.hub__intro{font-size:1.2rem;color:var(--text-dim);max-width:60ch;margin:0}

/* Feature */
.feature{
  display:block;margin:34px 0 8px;padding:34px;border-radius:16px;
  background:linear-gradient(135deg,hsl(163 100% 70% / .09),transparent 65%),var(--bg-2);
  border:1px solid var(--line-2);position:relative;overflow:hidden;transition:border-color .2s,transform .2s;
}
.feature:hover{border-color:hsl(163 100% 70% / .4);transform:translateY(-2px)}
.feature__title{font-family:var(--mono);font-weight:800;font-size:clamp(1.5rem,3.4vw,2.1rem);line-height:1.12;margin:.9rem 0 .6rem;letter-spacing:-.01em}
.feature__desc{color:var(--text-dim);font-size:1.1rem;margin:0 0 1rem;max-width:62ch}
.feature__meta{display:block;font-family:var(--mono);font-size:.8rem;color:var(--text-faint);margin-bottom:1rem}
.feature__go{font-family:var(--mono);font-weight:700;color:var(--accent)}

/* Categories + cards */
.cat{padding-top:56px}
.cat__head{margin-bottom:22px;border-top:1px dashed var(--line-2);padding-top:26px}
.cat__title{font-family:var(--mono);font-weight:700;font-size:1.5rem;margin:0 0 .3rem}
.cat__desc{color:var(--text-faint);margin:0;font-size:1rem;max-width:60ch}
.card-grid{display:grid;gap:18px}
.card-grid--3{grid-template-columns:repeat(3,1fr)}
.card-grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  display:flex;flex-direction:column;gap:.55rem;padding:22px;border-radius:14px;
  background:var(--bg-2);border:1px solid var(--line);transition:border-color .18s,transform .18s,background .18s;
}
.card:hover{border-color:hsl(163 100% 70% / .35);transform:translateY(-2px);background:var(--bg-3)}
.card__cat{font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.card__cat--sticker{
  align-self:flex-start;background:hsl(163 100% 70% / .1);border:1px solid hsl(163 100% 70% / .25);
  padding:.28rem .55rem;border-radius:5px;transform:rotate(-1.5deg);
}
.card__title{font-family:var(--mono);font-weight:700;font-size:1.16rem;line-height:1.22;margin:.2rem 0 0}
.card__desc{color:var(--text-dim);font-size:.98rem;margin:0;flex:1}
.card__meta{font-family:var(--mono);font-size:.76rem;color:var(--text-faint)}

/* Article */
.article{padding-bottom:40px}
.crumbs{font-family:var(--mono);font-size:.8rem;color:var(--text-faint);padding-top:40px;display:flex;gap:.5rem;align-items:center}
.crumbs a{color:var(--text-dim)}
.crumbs a:hover{color:var(--accent)}
.article__head{padding:22px 0 8px;border-bottom:1px dashed var(--line-2);margin-bottom:36px}
.article__head h1{font-family:var(--mono);font-weight:800;letter-spacing:-.02em;line-height:1.1;font-size:clamp(1.9rem,5vw,3rem);margin:.4rem 0 .8rem}
.article__meta{font-family:var(--mono);font-size:.85rem;color:var(--text-faint);display:flex;gap:.6rem;margin:0}
.article__body{font-size:1.12rem}
.article__body p{margin:0 0 1.35rem}
.article__body p.lead{font-size:1.32rem;line-height:1.55;color:#fff;margin-bottom:1.6rem}
.article__body h2{font-family:var(--mono);font-weight:700;font-size:1.6rem;line-height:1.2;margin:2.6rem 0 1rem;letter-spacing:-.01em;scroll-margin-top:80px}
.article__body h3{font-family:var(--mono);font-weight:600;font-size:1.25rem;margin:2rem 0 .8rem;scroll-margin-top:80px}
.article__body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:hsl(163 100% 70% / .45)}
.article__body a:hover{text-decoration-color:var(--accent)}
.article__body strong{color:#fff;font-weight:700}
.article__body ul,.article__body ol{margin:0 0 1.35rem;padding-left:1.3rem}
.article__body li{margin:.4rem 0}
.article__body ul li::marker{color:var(--accent)}
.article__body code{font-family:var(--mono);font-size:.9em;background:var(--bg-3);padding:.12em .4em;border-radius:5px}
.article__body hr{border:none;border-top:1px dashed var(--line-2);margin:2.4rem 0}
.article__body blockquote{
  margin:2rem 0;padding:.4rem 0 .4rem 1.4rem;border-left:3px solid var(--accent);
}
.article__body blockquote p{font-family:var(--hand);font-size:1.5rem;line-height:1.4;color:#fff;margin:0;transform:rotate(-.6deg)}
.article__body figure{margin:2rem 0}
.article__body figure img{border-radius:12px;border:1px solid var(--line)}
.article__body figcaption{font-family:var(--mono);font-size:.8rem;color:var(--text-faint);margin-top:.6rem;text-align:center}

/* Callout */
.callout{margin:2rem 0;padding:20px 22px;border-radius:12px;background:hsl(163 100% 70% / .07);border:1px solid hsl(163 100% 70% / .22);position:relative}
.callout__label{position:absolute;top:-11px;left:16px;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:var(--bg);padding:0 .5rem;border:1px solid hsl(163 100% 70% / .25);border-radius:5px}
.callout__body p:last-child{margin-bottom:0}
.callout--roady{background:hsl(163 30% 13% / .6);border-color:var(--line-2)}
.callout--roady .callout__label{color:var(--accent)}

/* CTA band */
.cta-band{margin:44px 0 8px;padding:28px 30px;border-radius:16px;background:linear-gradient(135deg,hsl(163 100% 70% / .1),transparent 70%),var(--bg-2);border:1px solid hsl(163 100% 70% / .25);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band--wide{margin-top:64px}
.cta-band__lead{font-family:var(--mono);font-weight:700;font-size:1.3rem;margin:0 0 .35rem;color:#fff}
.cta-band__sub{color:var(--text-dim);margin:0;max-width:52ch}
.cta-band .btn{flex-shrink:0}

/* Tags */
.tag-row{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:32px 0 0}
.tag{font-family:var(--mono);font-size:.76rem;color:var(--text-dim);background:var(--bg-3);border:1px solid var(--line);padding:.3rem .7rem;border-radius:999px}
.back-link{margin:26px 0 0;font-family:var(--mono);font-size:.9rem}
.back-link a{color:var(--text-dim)}
.back-link a:hover{color:var(--accent)}

/* Related */
.related{margin-top:60px;padding-top:34px;border-top:1px dashed var(--line-2)}
.related__title{font-family:var(--mono);font-weight:700;font-size:1.3rem;margin:0 0 18px}

/* Footer */
.site-footer{margin-top:72px;border-top:1px solid var(--line);padding:30px 0}
.site-footer__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.site-footer__links{display:flex;gap:1.2rem;flex-wrap:wrap}
.site-footer__links a{font-family:var(--mono);font-size:.82rem;color:var(--text-faint)}
.site-footer__links a:hover{color:var(--text-dim)}
.site-footer__copy{font-family:var(--mono);font-size:.78rem;color:var(--text-faint)}

/* Responsive */
@media (max-width:900px){
  .card-grid--3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  body{font-size:17px}
  .card-grid--3,.card-grid--2{grid-template-columns:1fr}
  .site-nav{gap:.8rem}
  .site-nav a:not(.btn){display:none}
  .feature{padding:24px}
  .cta-band{padding:22px}
  .hub__hero{padding:48px 0 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}