:root{
  --bg:#05070d; --panel:#0c111d; --panel-2:#0e1422;
  --line:rgba(255,255,255,.07); --line-bright:rgba(123,210,255,.28);
  --ink:#eef3fb; --ink-soft:#b3bed2; --ink-mute:#7e8ba4;
  --cyan:#5bc8ff; --cyan-deep:#2e9fe0; --violet:#a78bfa; --glow-cyan:rgba(91,200,255,.45);
  --maxw:1200px; --read:720px;
}
*{box-sizing:border-box;margin:0;padding:0}
@media(min-width:1700px){:root{--maxw:1240px}}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",sans-serif;font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(900px 600px at 80% -10%,rgba(91,200,255,.08),transparent 60%),radial-gradient(700px 500px at 0% 0%,rgba(167,139,250,.06),transparent 60%)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--cyan);color:#04121d;font-weight:600;font-size:14px;padding:10px 16px;border-radius:8px}
.skip:focus{left:12px;top:12px}
a:focus-visible,button:focus-visible,.btn:focus-visible,.card:focus-visible,.feature:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.wrap-foot{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 28px}

nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:linear-gradient(180deg,rgba(5,7,13,.86),rgba(5,7,13,.55));border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:20px}
.logo b{color:var(--cyan)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a:not(.btn){font-size:14px;color:var(--ink-soft);transition:color .2s}
.nav-links a:not(.btn):hover{color:var(--ink)}
.logo-img{height:30px;width:auto;display:block}
.btn{font-family:"IBM Plex Sans",sans-serif;font-weight:500;font-size:14px;padding:10px 20px;min-height:44px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .18s ease-out,box-shadow .25s ease-out,border-color .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.btn-primary{background:linear-gradient(100deg,var(--cyan),var(--cyan-deep));color:#04121d;font-weight:600;box-shadow:0 6px 26px -8px var(--glow-cyan)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--line-bright);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.nav-burger{display:none;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:9px;width:42px;height:42px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
@media(max-width:680px){
  .nav-burger{display:inline-flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:rgba(5,7,13,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:6px 0;display:none}
  html.nav-open .nav-links{display:flex}
  .nav-links a:not(.btn){padding:13px 28px;font-size:15px;min-height:44px;display:flex;align-items:center}
  .nav-links a.btn{margin:8px 28px;justify-content:center}
}

main{position:relative;z-index:2;animation:fade .6s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.reader{max-width:var(--read);margin:0 auto;padding:64px 28px 36px}
.backlink{display:inline-flex;gap:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.05em;color:var(--ink-mute);margin-bottom:22px}
.backlink:hover{color:var(--cyan)}
.reader h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(34px,5.4vw,54px);line-height:1.05;letter-spacing:-.02em;margin-bottom:10px}
.reader h3{font-family:"IBM Plex Sans",sans-serif;font-weight:400;font-size:18px;color:var(--ink-mute);font-style:normal;margin:0 0 38px}
.reader p.subtitle{color:var(--ink-mute);font-size:18px;font-style:italic;margin:0 0 40px;line-height:1.55}
.reader h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:clamp(22px,3vw,30px);line-height:1.15;letter-spacing:-.01em;margin:50px 0 18px}
.reader p{font-size:17px;line-height:1.85;color:var(--ink-soft);margin:0 0 22px}
.reader strong{color:var(--ink);font-weight:600}
.reader a{color:var(--cyan);border-bottom:1px solid rgba(91,200,255,.3)}
.reader a:hover{border-color:var(--cyan)}
.reader hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:46px 0}
.reader em{font-style:italic}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0}
.reader table{width:100%;border-collapse:collapse;margin:0;font-size:15px}
.reader th,.reader td{border:1px solid var(--line);padding:10px 14px;text-align:left;color:var(--ink-soft)}
.reader th{color:var(--ink);font-weight:600;background:rgba(255,255,255,.02)}
.manifesto p strong:first-child{color:var(--cyan);font-weight:700}

.hub{max-width:var(--maxw);margin:0 auto;padding:72px 28px 40px}
.hub-head{max-width:680px;margin:0 auto 42px;text-align:center}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:20px}
.hub-head h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(32px,5vw,50px);line-height:1.05;letter-spacing:-.02em;margin-bottom:16px}
.hub-head p{font-size:18px;color:var(--ink-soft);font-weight:300}
.grad{background:linear-gradient(100deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.feature{display:block;border:1px solid var(--line-bright);border-radius:18px;padding:34px;background:linear-gradient(165deg,rgba(91,200,255,.07),var(--panel) 60%);margin-bottom:18px;transition:transform .2s}
.feature:hover{transform:translateY(-3px)}
.feature .tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.feature h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:28px;line-height:1.1;margin-bottom:10px}
.feature p{color:var(--ink-soft);font-size:16px;font-weight:300;margin-bottom:16px;max-width:680px}
.feature .more{color:var(--cyan);font-size:14px;font-weight:500}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{display:block;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--panel);transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line-bright)}
.card .tag{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:10px}
.card h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:18px;line-height:1.2;margin-bottom:8px}
.card p{font-size:13.5px;color:var(--ink-mute);font-weight:300;margin-bottom:12px}
.card .more{font-size:12.5px;color:var(--cyan)}
@media(max-width:680px){.cards{grid-template-columns:1fr}}

.endcta{max-width:var(--read);margin:0 auto;padding:8px 28px 80px}
.endcta-inner{border:1px solid var(--line);border-radius:18px;padding:30px;background:var(--panel);text-align:center}
.endcta h4{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:22px;margin-bottom:8px}
.endcta p{color:var(--ink-mute);font-size:14px;margin-bottom:20px}
.endcta .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

footer{border-top:1px solid var(--line);padding:48px 0 40px;position:relative;z-index:2;margin-top:30px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot .tag{font-size:13px;color:var(--ink-mute);max-width:300px;font-weight:300;margin-top:12px}
.foot-cols{display:flex;gap:50px;flex-wrap:wrap}
.foot-cols h6{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:14px;font-weight:500}
.foot-cols a{display:block;font-size:13.5px;color:var(--ink-soft);margin-bottom:9px}
.foot-cols a:hover{color:var(--ink)}
.foot-bottom{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px;color:var(--ink-mute);flex-wrap:wrap;gap:10px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

/* developer landing page */
.dev{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.dev .hero{padding:72px 0 8px;max-width:820px;margin-inline:auto;text-align:center}
.dev .hero h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(34px,5.6vw,56px);line-height:1.04;letter-spacing:-.02em;margin:14px 0 16px}
.dev .hero .lead{font-size:19px;line-height:1.6;color:var(--ink-soft);font-weight:300;margin:0}
.dev .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;justify-content:center}
.dev section{padding:46px 0;border-top:1px solid var(--line)}
.dev section.hero{border-top:0}
.dev h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:clamp(24px,3.2vw,32px);line-height:1.12;letter-spacing:-.01em;margin:0 auto 14px;max-width:760px;text-align:center}
.dev .sub{font-size:17px;line-height:1.7;color:var(--ink-soft);font-weight:300;max-width:760px;margin:0 auto 26px;text-align:center}
.dev .pain{border-left:2px solid var(--line-bright);padding:6px 0 6px 22px;margin:0 0 16px;font-size:18px;line-height:1.7;color:var(--ink);max-width:760px;margin-left:auto;margin-right:auto}
.cards.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.cards.three{grid-template-columns:1fr}}
.dev .status{font-family:"IBM Plex Mono",monospace;font-size:12.5px;line-height:1.75;color:var(--ink-mute);max-width:760px;border:1px dashed var(--line);border-radius:12px;padding:16px 18px;margin:8px auto 0}
.dev .status b{color:var(--cyan);font-weight:500}

/* brand guidelines page */
.brandpage{max-width:var(--maxw);margin:0 auto;padding:64px 28px 56px}
.brand-hero h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(34px,5vw,52px);letter-spacing:-.02em;line-height:1.05;margin:8px 0 14px}
.brand-hero p{color:var(--ink-soft);font-size:18px;font-weight:300;max-width:860px;margin:0}
.brand-sec{margin-top:54px;border-top:1px solid var(--line);padding-top:34px}
.brand-sec h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:24px;letter-spacing:-.01em;margin:8px 0 16px}
.brand-sec p{color:var(--ink-soft);font-weight:300;max-width:820px;margin:0 0 14px;line-height:1.7}
.brand-logo-show{background:linear-gradient(160deg,#0a0f18,#05070d);border:1px solid var(--line);border-radius:18px;padding:46px;display:flex;justify-content:center;align-items:center;margin-top:8px}
.brand-logo-show img{height:56px;width:auto}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:14px;margin-top:8px}
.swatch{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:rgba(255,255,255,.02)}
.swatch .chip{height:70px;border-bottom:1px solid var(--line)}
.swatch .meta{padding:10px 12px}
.swatch .nm{font-size:13px;color:var(--ink);font-weight:500}
.swatch .hex{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-mute);margin-top:2px;text-transform:uppercase}
.gradient-bar{height:64px;border-radius:14px;background:linear-gradient(90deg,#5bc8ff,#a78bfa);margin-top:8px;border:1px solid var(--line)}
.specimens{display:grid;gap:14px;margin-top:8px}
.spec{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:rgba(255,255,255,.02)}
.spec .lab{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.spec .big{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:30px;letter-spacing:-.01em;color:var(--ink)}
.spec .bodyspec{font-family:"IBM Plex Sans",sans-serif;font-weight:300;font-size:17px;color:var(--ink-soft)}
.spec .monospec{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--ink-soft)}
.principles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:8px}
.principle{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:rgba(255,255,255,.02)}
.principle b{color:var(--ink);font-weight:600;display:block;margin-bottom:4px}
.principle span{color:var(--ink-mute);font-size:14px;font-weight:300}
.vocab{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px 28px;margin-top:8px;list-style:none;padding:0}
.vocab li{border-left:2px solid var(--line-bright);padding:2px 0 2px 14px}
.vocab b{color:var(--ink);font-weight:600;font-family:"IBM Plex Mono",monospace;font-size:13px}
.vocab span{display:block;color:var(--ink-mute);font-size:13.5px;font-weight:300;margin-top:3px;line-height:1.55}
@media(max-width:600px){.brandpage{padding:44px 20px}}