/* Shared styles for articles.html and articles/*.html — matches index.html */
:root{
  --g:#1DB981;
  --g-dim:rgba(29,185,129,.07);
  --g-border:rgba(29,185,129,.14);
  --g-border2:rgba(29,185,129,.26);
  --g-muted:rgba(29,185,129,.5);
  --blue:#2563EB;
  --blue-glow:rgba(37,99,235,.38);
  --bg:#0D1F1A;
  --bg-deep:#07100D;
  --bg-card:rgba(29,185,129,.06);
  --bg-card-h:rgba(29,185,129,.11);
  --text:#fff;
  --muted:rgba(255,255,255,.45);
  --soft:rgba(255,255,255,.72);
  --faint:rgba(255,255,255,.2);
  --border:rgba(29,185,129,.1);
  --border-w:rgba(255,255,255,.08);
  --display:'Bricolage Grotesque',sans-serif;
  --body:'DM Sans',sans-serif;
  --r:9px;
  --rl:13px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--bg);color:var(--text);overflow-x:hidden}
a{text-decoration:none;color:inherit}

/* ── NAV ── */
nav{
  position:sticky;top:0;z-index:900;
  padding:0 2rem;
  background:rgba(13,31,26,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(16px);
}
.nav-inner{
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:62px;
}
.logo{font-family:var(--display);font-size:18px;font-weight:800;letter-spacing:-.025em}
.logo em{color:var(--g);font-style:normal}
.logo sup{color:#34D399;font-size:11px;vertical-align:super;font-family:var(--body);font-weight:600}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{font-size:13px;font-weight:500;color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-cta{
  border:1px solid var(--g-border2);color:var(--g) !important;
  padding:7px 16px;border-radius:7px;
  font-weight:600 !important;
  transition:background .2s,color .2s;
}
.nav-cta:hover{background:var(--g);color:var(--bg-deep) !important}

/* ── COMMON ── */
.wrap{max-width:1160px;margin:0 auto}
.narrow{max-width:720px}
.slabel{
  display:flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--g);margin-bottom:14px;
}
.slabel::before{content:'';display:block;width:16px;height:1px;background:var(--g-muted)}
.sh{
  font-family:var(--display);
  font-size:clamp(1.9rem,4vw,2.8rem);
  font-weight:800;line-height:1.12;letter-spacing:-.03em;
}
.lead{font-size:16px;color:var(--muted);line-height:1.8;max-width:560px;margin-top:14px}
.blue-btn{
  display:inline-block;
  background:var(--blue);color:#fff;
  border-radius:var(--r);padding:13px 30px;
  box-shadow:0 4px 20px var(--blue-glow);
  font-size:14px;font-weight:700;white-space:nowrap;
  transition:transform .15s,box-shadow .2s;
}
.blue-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,99,235,.55)}

/* ── PAGE HEAD ── */
.page-head{
  padding:4.5rem 2rem 3rem;
  border-bottom:1px solid var(--border);
  background:rgba(29,185,129,.03);
}
.back{display:inline-block;font-size:13px;color:var(--muted);margin-bottom:1.75rem;transition:color .2s}
.back:hover{color:var(--g)}
.meta{font-size:12px;color:var(--muted);letter-spacing:.02em}
.page-head .meta{margin-top:16px}

/* ── ARTICLE LIST ── */
.list{padding:3.5rem 2rem 5rem}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.art-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--bg-card);border:1px solid var(--g-border);
  border-radius:var(--rl);padding:24px 22px;
  transition:background .2s,border-color .2s,transform .2s;
}
.art-card:hover{background:var(--bg-card-h);border-color:var(--g-border2);transform:translateY(-3px)}
.art-card .tag{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--g)}
.art-card .t{font-family:var(--display);font-size:19px;font-weight:800;line-height:1.25;letter-spacing:-.015em}
.art-card .d{font-size:13px;color:var(--muted);line-height:1.7;flex:1}
.art-card .more{font-size:13px;font-weight:600;color:var(--g);margin-top:6px}

/* featured (newest) article */
.featured-wrap{margin-bottom:1rem}
.art-card.featured{
  padding:36px 34px;
  background:linear-gradient(135deg,rgba(29,185,129,.13),rgba(29,185,129,.04));
  border-color:var(--g-border2);
}
.art-card.featured .tag::after{content:' · Latest';color:var(--muted)}
.art-card.featured .t{font-size:clamp(1.5rem,3vw,2rem);max-width:720px}
.art-card.featured .d{font-size:15px;max-width:620px}

/* filters + search */
[hidden]{display:none !important}
.toolbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem;
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-family:var(--body);font-size:13px;font-weight:600;cursor:pointer;
  background:transparent;color:var(--muted);
  border:1px solid var(--border-w);border-radius:999px;
  padding:7px 14px;
  transition:border-color .2s,color .2s,background .2s;
}
.chip span{font-weight:500;opacity:.6;margin-left:2px}
.chip:hover{color:#fff;border-color:rgba(255,255,255,.25)}
.chip.on{background:var(--g);border-color:var(--g);color:var(--bg-deep)}
.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-left:auto}
.ctl{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.ctl > span:not(.sr-only){font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:11px}
.ctl select,.ctl input{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:8px;padding:9px 12px;
  color:#fff;font-size:13px;font-family:var(--body);outline:none;
  transition:border-color .2s,background .2s;
}
.ctl select{cursor:pointer;color-scheme:dark}
.ctl select option{background:var(--bg);color:#fff}
.ctl input{width:220px;max-width:100%}
.ctl input::placeholder{color:rgba(255,255,255,.25)}
.ctl select:focus,.ctl input:focus{border-color:var(--g-border2);background:rgba(29,185,129,.04)}
.art-card .lvl{
  margin-left:8px;padding:2px 8px;border-radius:999px;
  border:1px solid var(--border-w);color:var(--muted);
  font-size:10px;letter-spacing:.06em;
}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.result-count{font-size:13px;color:var(--muted);margin-bottom:1rem}
.result-count:empty{display:none}
.empty{
  text-align:center;color:var(--muted);font-size:14px;
  border:1px dashed var(--border-w);border-radius:var(--rl);padding:3rem 1rem;
}
.more-wrap{text-align:center;margin-top:2rem}
.btn-o{
  font-family:var(--body);cursor:pointer;
  background:transparent;color:rgba(255,255,255,.65);
  border:1px solid var(--border-w);
  padding:11px 22px;border-radius:var(--r);
  font-size:14px;font-weight:500;
  transition:border-color .2s,color .2s;
}
.btn-o:hover{border-color:rgba(255,255,255,.3);color:#fff}

/* "More articles" on article pages */
.related{padding:3.5rem 2rem 4.5rem;border-top:1px solid var(--border);background:rgba(29,185,129,.03)}
.related h2{font-family:var(--display);font-size:1.4rem;font-weight:800;letter-spacing:-.02em;margin-bottom:1.5rem}

/* ── ARTICLE BODY ── */
.article-body{padding:3rem 2rem 5rem}
.prose{font-size:16px;line-height:1.85;color:var(--soft)}
.prose > * + *{margin-top:1.1rem}
.prose h2{
  font-family:var(--display);font-size:1.55rem;font-weight:800;
  letter-spacing:-.02em;line-height:1.25;color:#fff;
  margin-top:2.75rem;
}
.prose h3{font-size:1.1rem;font-weight:700;color:#fff;margin-top:2rem}
.prose strong{color:#fff}
.prose a{color:var(--g);border-bottom:1px solid var(--g-border2)}
.prose a:hover{border-color:var(--g)}
.prose ul,.prose ol{padding-left:1.4rem}
.prose li + li{margin-top:.45rem}
.prose li::marker{color:var(--g)}
.prose blockquote{
  border-left:3px solid var(--g);
  background:var(--g-dim);
  padding:14px 20px;border-radius:0 var(--r) var(--r) 0;
  color:#fff;
}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em;
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:5px;
}
.prose hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}
.tip{
  background:var(--bg-card);border:1px solid var(--g-border2);
  border-radius:var(--rl);padding:18px 20px;
  font-size:14px;color:var(--soft);
}
.tip strong{color:var(--g)}
.article-cta{
  margin-top:3.5rem;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  background:var(--g-dim);border:1px solid var(--g-border2);
  border-radius:var(--rl);padding:22px 24px;
}
.article-cta .t{font-size:16px;font-weight:700;margin-bottom:4px}
.article-cta .d{font-size:13px;color:var(--muted)}

/* ── FOOTER ── */
footer{
  background:var(--bg-deep);
  border-top:1px solid var(--border);
  padding:1.75rem 2rem;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;
}
.f-logo{font-family:var(--display);font-size:15px;font-weight:800;color:rgba(255,255,255,.3)}
.f-logo em{color:var(--g);font-style:normal}
.f-logo sup{color:#34D399;font-size:10px;vertical-align:super}
.f-copy{font-size:12px;color:var(--faint);line-height:1.8}
.f-mail{color:rgba(255,255,255,.45);transition:color .2s}
.f-mail:hover{color:var(--g)}
.f-links{display:flex;gap:1.5rem}
.f-links a{font-size:12px;color:var(--faint);transition:color .2s}
.f-links a:hover{color:rgba(255,255,255,.5)}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  .art-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  nav{padding:0 1rem}
  .nav-links{gap:1rem}
  .nav-links a.hide-sm{display:none}
  .page-head{padding:3rem 1.25rem 2.25rem}
  .list,.article-body{padding-left:1.25rem;padding-right:1.25rem}
  .art-grid{grid-template-columns:1fr}
  .art-card.featured{padding:26px 22px}
  .controls{margin-left:0;width:100%}
  .ctl-search,.ctl-search input{width:100%}
  .related{padding-left:1.25rem;padding-right:1.25rem}
  .prose{font-size:15px}
  footer{flex-direction:column;align-items:flex-start}
}