/* QuantumSafeCrypto — Insights / articles shared stylesheet
   Matches the main site's palette and typography. */
:root{
  --navy:#0A1030; --panel:#101D42; --panel2:#152551;
  --line:#243255; --line2:#2E3F6B;
  --ink:#F2F5FC; --muted:#FFFFFF; --faint:#FFFFFF; --ice:#CADCFC;
  --gold:#E8B15A; --gold2:#F2C879; --cyan:#3BE8FF; --red:#FF5C6C;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:linear-gradient(160deg,#0A1030 0%,#12123A 55%,#1B0E3C 100%) fixed;
  color:var(--ink);font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:500;letter-spacing:-.01em;line-height:1.15;color:var(--ink)}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--gold)}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:1180px;margin:0 auto;padding:0 34px}
.read{max-width:760px;margin:0 auto;padding:0 34px}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(10,19,48,.82);backdrop-filter:blur(13px);border-bottom:1px solid var(--line)}
.navin{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px}
.brand .wordmark{font-family:'Fraunces';font-weight:600;font-size:18px;white-space:nowrap;color:var(--ink)}
.brand .wordmark b{color:var(--gold)}
.back{font-size:14px;color:var(--muted);font-weight:500}
.back:hover{color:var(--gold)}

/* hero */
.arthero{padding:64px 0 30px}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.eyebrow.gold{color:var(--gold)}
.arthero h1{font-size:clamp(32px,5vw,50px);margin-bottom:18px}
.artmeta{display:flex;gap:16px;flex-wrap:wrap;color:var(--faint);font-size:13.5px;font-family:'JetBrains Mono'}
.artmeta span{display:inline-flex;align-items:center;gap:7px}
.artmeta .dot{width:5px;height:5px;border-radius:50%;background:var(--faint)}
.lede{font-size:20px;color:var(--ice);line-height:1.6;margin:26px 0 8px;font-weight:400}

/* article body */
article{padding:20px 0 70px}
article h2{font-size:clamp(24px,3.4vw,32px);margin:44px 0 14px}
article h3{font-size:19px;font-weight:600;font-family:'Inter';color:var(--ice);margin:28px 0 10px}
article p{color:var(--muted);font-size:17px;margin-bottom:16px}
article strong{color:var(--ink);font-weight:600}
article ul,article ol{margin:0 0 18px 0;padding-left:0;list-style:none}
article li{position:relative;padding-left:26px;color:var(--muted);font-size:16.5px;margin-bottom:11px}
article li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--cyan)}
article ol{counter-reset:n}
article ol li{counter-increment:n}
article ol li::before{content:counter(n);background:none;color:var(--gold);font-family:'JetBrains Mono';font-size:13px;font-weight:700;top:0;left:0;width:auto}
article ol li{padding-left:28px}
article a{border-bottom:1px solid rgba(59,232,255,.35)}
.hr{height:1px;background:var(--line);border:0;margin:40px 0}

/* callout / formula / table */
.callout{background:rgba(232,177,90,.08);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:0 12px 12px 0;padding:20px 24px;margin:24px 0}
.callout.cyan{background:rgba(59,232,255,.07);border-left-color:var(--cyan)}
.callout p{margin:0;color:var(--ice);font-size:16px}
.formula{font-family:'Fraunces';font-size:clamp(30px,5vw,46px);font-weight:600;text-align:center;margin:12px 0 6px}
.formula .v{color:var(--cyan)}.formula .op{color:var(--faint)}
.deftable{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:20px 0;font-size:15px}
.deftable td{padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
.deftable tr:last-child td{border-bottom:0}
.deftable td:first-child{font-family:'JetBrains Mono';color:var(--gold);font-weight:600;white-space:nowrap;width:1%}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}
.chip{font-family:'JetBrains Mono';font-size:12.5px;color:var(--ice);border:1px solid var(--line2);border-radius:100px;padding:6px 13px}
.chip b{color:var(--gold);font-weight:600}

/* cta + footer */
.cta{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:34px;margin:44px 0 0;text-align:center}
.cta h3{font-family:'Fraunces';font-size:24px;color:var(--ink);margin-bottom:10px}
.cta p{color:var(--muted);margin-bottom:20px;font-size:16px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:6px;border:1px solid transparent;transition:.2s}
.btn-gold{background:var(--gold);color:#241704}
.btn-gold:hover{background:var(--gold2);color:#241704}
.btn-line{border-color:var(--line2);color:var(--ink)}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
.related{margin-top:28px;font-size:14px;color:var(--faint)}
.related a{margin:0 4px}

footer{border-top:1px solid var(--line);background:rgba(6,7,26,.45);padding:34px 0;margin-top:60px;color:var(--faint);font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--muted)}

@media(max-width:640px){
  .arthero{padding:44px 0 20px}
  article p,article li{font-size:16px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}