:root{
  --bg:#0A0B0E;
  --surface:#12141A;
  --surface-2:#181B22;
  --line:#23262F;
  --ink:#ECEEF2;
  --soft:#B9BFCA;
  --muted:#8B93A1;
  --accent:#FFB23E;
  --accent-ink:#1A1204;
  --live:#7CF5C4;
  --bad:#FF5D5D;
  --display:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:clamp(16px,4vw,48px);
  --max:1120px;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--gutter);background:rgba(10,11,14,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:500;letter-spacing:-.01em;font-size:18px}
.brand b{font-weight:700;color:var(--accent)}
.brand-mark{display:grid;grid-template-columns:repeat(2,8px);gap:3px}
.brand-mark i{width:8px;height:8px;border-radius:2px;background:#2A2E38}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(4){background:var(--accent)}
.nav nav{display:flex;align-items:center;gap:clamp(12px,3vw,28px);font-size:15px;color:var(--soft)}
.nav nav a:hover{color:var(--ink)}
.nav-cta{padding:6px 14px;border:1px solid var(--accent);border-radius:999px;color:var(--accent)!important}
.nav-cta:hover{background:var(--accent);color:var(--accent-ink)!important}

/* hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:center;padding:72px var(--gutter);border-bottom:1px solid var(--line);overflow:hidden}
#pages{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 22% 50%,rgba(10,11,14,.94) 0%,rgba(10,11,14,.72) 42%,rgba(10,11,14,.15) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:var(--max);width:100%;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;color:var(--soft);padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(18,20,26,.8);margin-bottom:28px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(124,245,196,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(124,245,196,0)}100%{box-shadow:0 0 0 0 rgba(124,245,196,0)}}
h1{font-size:clamp(40px,8.2vw,92px);line-height:.98;letter-spacing:-.04em;font-weight:700;text-wrap:balance}
h1 em{font-style:normal;color:var(--accent)}
.lede{max-width:34rem;margin-top:26px;font-size:clamp(17px,2vw,20px);color:var(--soft)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-weight:500;font-size:16px;transition:transform .15s,border-color .15s,background .15s}
.btn:hover{border-color:var(--muted);transform:translateY(-1px)}
.btn-solid{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn-solid:hover{background:#FFC469;border-color:#FFC469}
.btn-small{padding:6px 14px;font-size:14px}

/* sections */
.band{max-width:calc(var(--max) + 2 * var(--gutter));margin:0 auto;padding:clamp(64px,10vw,112px) var(--gutter) 0}
.band:last-of-type{padding-bottom:clamp(64px,10vw,112px)}
.section-head{margin-bottom:32px}
.kicker{font-family:var(--mono);font-size:13px;color:var(--accent);margin-bottom:10px}
h2{font-size:clamp(30px,5vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:700}
.section-note{margin-top:10px;color:var(--muted);max-width:36rem}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:transparent;font-size:14px;color:var(--soft)}
.chip:hover{border-color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg);font-weight:600}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px}
.card{position:relative;display:flex;flex-direction:column;gap:12px;padding:24px;min-height:210px;background:var(--surface);border:1px solid var(--line);border-radius:18px;text-align:left;transition:transform .2s,border-color .2s,background .2s}
.card:hover{transform:translateY(-3px);border-color:#3A3F4C;background:var(--surface-2)}
.card h3{font-size:22px;letter-spacing:-.02em;line-height:1.2}
.card p{color:var(--soft);font-size:15.5px}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.status{display:inline-flex;align-items:center;gap:6px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted)}
.status.live{color:var(--live)}.status.live::before{background:var(--live)}
.status.building{color:var(--accent)}.status.building::before{background:var(--accent)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.tag{font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:6px;background:#1D2029;color:var(--soft)}
.card-link{font-size:14px;font-weight:600;color:var(--accent)}
.card[hidden]{display:none}

button.card{width:100%}
.game-card .play{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--accent)}
.game-card .play::after{content:"→";transition:transform .2s}
.game-card:hover .play::after{transform:translateX(4px)}
.game-card .best{font-family:var(--mono);font-size:12px;color:var(--muted)}

.skills{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));border-top:1px solid var(--line)}
.skill{padding:22px 20px 22px 0;border-bottom:1px solid var(--line)}
.skill b{display:block;font-size:19px;letter-spacing:-.01em;margin-bottom:4px}
.skill span{color:var(--muted);font-size:15.5px}
.skill i{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--accent);display:block;margin-bottom:8px}

.idea{padding:clamp(24px,5vw,44px);border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,#15171E 0%,#101218 60%,#1B1508 140%)}
.idea-label{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:14px}
.idea-text{font-size:clamp(24px,4.4vw,42px);line-height:1.15;letter-spacing:-.025em;font-weight:600;min-height:2.4em;margin-bottom:26px;text-wrap:balance}

.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:28px var(--gutter);border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.foot-mono{font-family:var(--mono);font-size:12px}

/* arcade dialog */
dialog#arcade{width:min(560px,calc(100vw - 24px));max-height:calc(100dvh - 24px);margin:auto;padding:0;border:1px solid #343947;border-radius:20px;background:var(--surface);color:var(--ink);overflow:auto}
dialog#arcade::backdrop{background:rgba(5,6,8,.8);backdrop-filter:blur(4px)}
.arcade-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.arcade-bar h3{font-size:18px}
#arcade-stage{padding:18px}
.g-hud{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:13px;color:var(--soft);margin-bottom:12px}
.g-hud b{color:var(--accent);font-weight:500}
.g-canvas{display:block;width:100%;height:auto;border-radius:12px;background:#0C0D11;border:1px solid var(--line);touch-action:none}
.g-help{margin-top:12px;font-size:14px;color:var(--muted)}
.g-input{width:100%;margin-top:12px;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:#0C0D11;color:var(--ink);font-family:var(--mono);font-size:16px}
.g-actions{margin-top:14px;display:flex;gap:10px}

.pf-board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.pf-tile{aspect-ratio:1;border-radius:12px;border:1px solid var(--line);background:#1A1D25;font-size:clamp(22px,7vw,34px);color:transparent;transition:background .2s,transform .2s,color .1s}
.pf-tile:hover{border-color:var(--muted)}
.pf-tile.up{background:#262A35;color:var(--ink);transform:scale(1.03)}
.pf-tile.done{background:rgba(255,178,62,.16);border-color:var(--accent);color:var(--accent)}

@media (max-width:520px){
  .nav nav a:not(.nav-cta):nth-child(2),.nav nav a:not(.nav-cta):nth-child(3){display:none}
  .hero{min-height:auto;padding-top:56px;padding-bottom:64px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}