:root{
  --navy:#05243D;
  --navy-2:#0B3558;
  --teal:#0DC5C1;
  --teal-ink:#0A6F6C;
  --magenta:#E81CFF;
  --violet:#8075FF;
  --lime:#B8F23D;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FB;
  --ink:#05243D;
  --ink-soft:#33495C;
  --line:#E3E9EF;
  --qg-sky:#EAF6FD;
  --qg-navy:#0F2C54;
  --grad:linear-gradient(90deg,var(--teal),var(--violet) 55%,var(--magenta));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:"Archivo Black","Arial Black",sans-serif;font-weight:400;letter-spacing:-.01em;text-wrap:balance;margin:0;color:var(--navy)}
.wrap{max-width:1120px;margin-inline:auto;padding-inline:24px}
section{padding-block:80px}
.eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--teal-ink);margin:0 0 10px}
.eyebrow::before{content:"// ";color:var(--magenta)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.15}
.section-head{margin-bottom:40px}
.section-head .sub{color:var(--ink-soft);max-width:60ch;margin:12px 0 0;font-size:17px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:99px;font-weight:600;font-size:15.5px;text-decoration:none;border:2px solid var(--navy);background:var(--navy);color:#fff;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(5,36,61,.25)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
a:focus-visible,button:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:6px}

/* Quiet Geniuses top bar */
.qg-bar{background:var(--qg-sky);border-bottom:1px solid #CBE8F7}
.qg-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding-block:6px}
.qg-bar a{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:13.5px;color:var(--qg-navy);font-weight:500}
.qg-bar img{height:20px;width:auto}
.qg-bar .qg-more{font-size:13px;font-weight:600;color:var(--qg-navy);text-decoration:underline;text-underline-offset:3px}
@media(max-width:560px){.qg-bar .qg-more{display:none}}

/* Nav */
header.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px;position:relative}
.brand img{height:50px;width:auto}
nav.links{display:flex;align-items:center;gap:28px;font-weight:500;font-size:16px}
nav.links a{text-decoration:none;color:var(--navy);padding-block:6px;border-bottom:2px solid transparent;transition:border-color .15s}
nav.links a:hover{border-color:var(--teal)}
nav.links a.nav-cta{background:var(--navy);color:#fff;padding:9px 22px;border-radius:99px;border:none}
nav.links a.nav-cta:hover{background:var(--navy-2)}
.nav-toggle{display:none;width:44px;height:44px;border:none;background:transparent;border-radius:8px;cursor:pointer;align-items:center;justify-content:center}
@media(max-width:800px){
  .nav-toggle{display:inline-flex}
  nav.links{display:none;position:absolute;top:100%;left:-24px;right:-24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(5,36,61,.1);flex-direction:column;align-items:flex-start;gap:2px;padding:12px 24px 20px}
  nav.links.open{display:flex}
  nav.links a{width:100%;padding:12px 0}
  nav.links a.nav-cta{width:auto;margin-top:8px;padding:10px 24px}
}

/* Hero */
.hero{position:relative;overflow:hidden;padding-block:72px 88px;background:
  radial-gradient(600px 300px at 90% 0%,rgba(128,117,255,.14),transparent 70%),
  radial-gradient(500px 280px at 0% 100%,rgba(13,197,193,.13),transparent 70%),#fff}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{font-size:clamp(2.6rem,6.2vw,4.6rem);line-height:1.04;margin-bottom:24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.hero .lead{font-size:clamp(1.05rem,1.8vw,1.22rem);color:var(--ink-soft);max-width:58ch;margin:0 0 32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.terminal{background:var(--navy);border-radius:16px;box-shadow:0 24px 50px rgba(5,36,61,.28);overflow:hidden;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:14.5px;color:#D7E6F2}
.terminal .bar{display:flex;gap:7px;padding:12px 16px;background:#031A2D}
.terminal .bar i{width:11px;height:11px;border-radius:50%;background:var(--violet);opacity:.9}
.terminal .bar i:nth-child(2){background:var(--teal)}
.terminal .bar i:nth-child(3){background:var(--magenta)}
.terminal pre{margin:0;padding:22px 22px 26px;line-height:1.85;white-space:pre-wrap}
.terminal .p{color:var(--teal)}
.terminal .k{color:var(--violet)}
.terminal .m{color:var(--magenta)}
.terminal .dim{color:#7C97AE}
.cursor{display:inline-block;width:9px;height:1.1em;background:var(--teal);vertical-align:text-bottom;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media(prefers-reduced-motion:reduce){.cursor{animation:none}html{scroll-behavior:auto}}

/* Resources */
#resources{background:var(--bg-soft);border-block:1px solid var(--line)}
.feature{display:grid;grid-template-columns:1.3fr 1fr;gap:0;border-radius:20px;overflow:hidden;background:var(--navy);color:#fff;margin-bottom:28px}
@media(max-width:820px){.feature{grid-template-columns:1fr}}
.feature .body{padding:40px}
.feature h3{color:#fff;font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px}
.feature p{color:#C9DAE8;margin:0 0 24px;max-width:52ch}
.feature .tag{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--teal);margin-bottom:12px;display:block}
.feature .art{background:linear-gradient(135deg,var(--teal),var(--violet) 55%,var(--magenta));display:flex;align-items:center;justify-content:center;padding:32px;min-height:200px}
.feature .art span{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:clamp(1.1rem,2.4vw,1.5rem);color:#fff;text-align:center;line-height:1.5;text-shadow:0 2px 10px rgba(5,36,61,.3)}
.sub-head{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--ink-soft);margin:44px 0 18px}
.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.social{display:flex;align-items:center;gap:16px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s}
.social:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(5,36,61,.1);border-color:var(--teal)}
.social .mono{width:46px;height:46px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;font-family:"Archivo Black",sans-serif;font-size:15px;color:#fff;background:var(--c,var(--navy))}
.social b{display:block;font-size:16px;line-height:1.2}
.social small{color:var(--ink-soft);font-size:13.5px}

/* Publications */
.pubs{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:820px){.pubs{grid-template-columns:1fr}}
.pub{display:flex;gap:26px;padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;position:relative}
@media(max-width:560px){.pub{flex-direction:column}}
.cover{width:150px;aspect-ratio:3/4;flex:none;border-radius:6px 12px 12px 6px;padding:16px 14px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;box-shadow:-6px 8px 0 rgba(5,36,61,.12),0 14px 26px rgba(5,36,61,.2);border-left:6px solid rgba(255,255,255,.25);position:relative}
.cover .t{font-family:"Archivo Black",sans-serif;font-size:15px;line-height:1.15}
.cover .s{font-family:"IBM Plex Mono",monospace;font-size:10.5px;opacity:.85}
.cover.black{background:linear-gradient(160deg,#031A2D,var(--navy-2));}
.cover.black .t span{color:var(--teal)}
.cover.nerds{background:linear-gradient(160deg,var(--violet),var(--magenta))}
.pub h3{font-size:1.25rem;line-height:1.2;margin-bottom:10px}
.pub p{margin:0 0 14px;color:var(--ink-soft);font-size:15.5px}
.badge{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:4px 10px;border-radius:99px;margin-bottom:12px}
.badge.live{background:rgba(13,197,193,.16);color:var(--teal-ink)}
.badge.new{background:var(--lime);color:var(--navy)}
.pub ul{margin:0 0 18px;padding-left:18px;color:var(--ink-soft);font-size:14.5px}
.pub ul li{margin-bottom:3px}
.pub ul li::marker{color:var(--magenta)}

/* Quiet Geniuses family */
#family{background:var(--qg-sky);border-block:1px solid #CBE8F7}
.family-top{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;margin-bottom:40px}
@media(max-width:820px){.family-top{grid-template-columns:1fr;gap:24px}}
.family-top img{height:34px;width:auto;margin-bottom:18px}
.family-top p{margin:0;color:var(--ink-soft);font-size:17px;max-width:56ch}
.family-quote{border-left:4px solid var(--teal);padding-left:20px;font-weight:500;font-size:1.15rem;line-height:1.5;color:var(--qg-navy)}
.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.family-grid{grid-template-columns:1fr}}
.fam{background:#fff;border:1px solid #CBE8F7;border-top:4px solid var(--h);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:8px}
.fam h3{font-family:"IBM Plex Sans",sans-serif;font-weight:700;font-size:1.05rem}
.fam p{margin:0;color:var(--ink-soft);font-size:14.5px}
.fam .here{align-self:flex-start;font-family:"IBM Plex Mono",monospace;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--navy);color:#fff}
.fam .soon{align-self:flex-start;font-family:"IBM Plex Mono",monospace;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:99px;background:rgba(232,28,255,.12);color:#9A0089}
.family-link{margin-top:28px}

/* Contact */
#contact{background:#fff}
.contact-card{border-radius:24px;padding:48px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;position:relative;overflow:hidden}
@media(max-width:820px){.contact-card{grid-template-columns:1fr;padding:32px 24px}}
.contact-card::after{content:"";position:absolute;inset:auto -80px -80px auto;width:260px;height:260px;background:var(--grad);filter:blur(60px);opacity:.45;border-radius:50%}
.contact-card h2{color:#fff;margin-bottom:12px}
.contact-card p{color:#C9DAE8;margin:0;max-width:48ch}
.contact-card .mail{position:relative;z-index:1;font-family:"IBM Plex Mono",monospace;font-size:clamp(1rem,2.2vw,1.2rem);}
.contact-card .eyebrow{color:var(--teal)}

/* Footer */
footer{background:#031A2D;color:#C9DAE8;padding-block:48px 28px}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
@media(max-width:820px){footer .wrap{grid-template-columns:1fr}}
.chip{display:inline-flex;background:#fff;border-radius:10px;padding:10px 16px}
.chip img{height:46px;width:auto}
.chip.qg img{height:20px}
footer h3{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--teal);margin-bottom:12px;letter-spacing:.04em}
footer p,footer li{font-size:14.5px;margin:0 0 8px}
footer ul{list-style:none;margin:0;padding:0}
footer a{color:#fff;text-underline-offset:3px;text-decoration-color:rgba(13,197,193,.7)}
.foot-bottom{max-width:1120px;margin:32px auto 0;padding:20px 24px 0;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:#7C97AE}

/* mobile fixes */
.contact-card .mail .btn{word-break:normal;overflow-wrap:anywhere;text-align:center}
@media(max-width:480px){
  .qg-bar a span{font-size:12.5px}
  .qg-bar img{height:16px}
  .qg-bar a{gap:8px}
  .contact-card .mail .btn{font-size:14px;padding:12px 16px;width:100%;justify-content:center}
}

/* round 2 changes */
.feature{grid-template-columns:1fr}
.social .mono{background:#fff;border:1px solid var(--line)}
.social .mono img{width:26px;height:26px}
.cover-img{width:170px;height:auto;flex:none;align-self:flex-start;border-radius:4px 10px 10px 4px;box-shadow:-6px 8px 0 rgba(5,36,61,.12),0 14px 26px rgba(5,36,61,.25)}
@media(max-width:560px){.cover-img{width:150px}}
.pub ul li b{color:var(--navy)}
.pub-note{font-weight:600;color:var(--navy)!important}
.family-top{margin-bottom:28px}
.family-link{margin:0}
.cover{align-self:flex-start}