@font-face{font-family:'Nunito';font-weight:400;src:url('../fonts/Nunito-Regular.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Nunito';font-weight:500;src:url('../fonts/Nunito-Medium.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Nunito';font-weight:600;src:url('../fonts/Nunito-SemiBold.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Nunito';font-weight:700;src:url('../fonts/Nunito-Bold.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Nunito';font-weight:800;src:url('../fonts/Nunito-Bold.ttf') format('truetype');font-display:swap}

:root{
  --bg:#050505;--surface:#0f0f0f;--surface-2:#171717;--text:#fafafa;--muted:#737373;
  --border:#262626;--border-hi:#404040;--success:#22c55e;--danger:#ef4444;
  --radius:12px;--radius-lg:20px;--nav-h:68px;--max:1180px;
  --ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);
  --orbit-r:130px;
  --orbit-item:64px;
}
[data-theme="light"]{
  --bg:#fafafa;--surface:#fff;--surface-2:#f5f5f5;--text:#0a0a0a;--muted:#525252;
  --border:#e5e5e5;--border-hi:#d4d4d4;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:"Nunito",system-ui,sans-serif;background:var(--bg);color:var(--text);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.is-loading{overflow:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.container{width:min(100% - 40px,var(--max));margin-inline:auto}
@media(max-width:480px){.container{width:min(100% - 24px,var(--max))}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* loader */
.page-loader{
  position:fixed;inset:0;z-index:9999;background:var(--bg);
  display:grid;place-items:center;transition:opacity .6s var(--ease-out),visibility .6s;
}
.page-loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader-mark{font-size:28px;font-weight:800;letter-spacing:-1px}
.loader-bar{width:120px;height:2px;background:var(--border);margin-top:20px;border-radius:99px;overflow:hidden}
.loader-bar span{display:block;height:100%;background:var(--text);animation:loadBar 1.2s var(--ease-out) forwards}
@keyframes loadBar{from{width:0}to{width:100%}}

/* cursor glow — desktop only */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;background:var(--text);
  z-index:400;pointer-events:none;transition:width .08s linear;
}
.scroll-progress-read{height:3px;background:color-mix(in srgb,var(--text) 85%,var(--success))}
.scroll-top{
  position:fixed;right:max(16px,env(safe-area-inset-right));
  bottom:max(20px,env(safe-area-inset-bottom));z-index:350;
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--border-hi);background:color-mix(in srgb,var(--surface) 92%,transparent);
  color:var(--text);cursor:pointer;
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(12px) scale(.92);
  transition:opacity .25s,transform .25s,visibility .25s,border-color .15s;
  backdrop-filter:blur(8px);
}
.scroll-top.visible{opacity:1;visibility:visible;transform:none}
.scroll-top:hover{border-color:var(--text);transform:translateY(-2px)}
.scroll-top-ring{position:absolute;inset:0;width:100%;height:100%}
.scroll-top-arrow{position:relative;z-index:1}
.copy-toast{
  position:fixed;bottom:max(84px,env(safe-area-inset-bottom));left:50%;
  transform:translateX(-50%) translateY(12px);
  padding:10px 18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border-hi);
  font-size:13px;font-weight:700;color:var(--text);
  opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;
  z-index:400;pointer-events:none;white-space:nowrap;
}
.copy-toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.app-stack{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 10px}
.chip-stack{font-size:9px;padding:3px 7px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.2px}
.cursor-glow{
  position:fixed;width:400px;height:400px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(250,250,250,.04),transparent 70%);
  transform:translate(-50%,-50%);transition:opacity .3s;opacity:0;
}
@media(hover:hover){.cursor-glow{opacity:1}}

/* nav */
.site-nav{
  position:fixed;inset:0 0 auto;z-index:200;height:var(--nav-h);
  padding-top:env(safe-area-inset-top,0);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.site-nav.scrolled{background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(16px);border-color:var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:12px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.3px;min-width:0;flex-shrink:1}
.brand > span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-mark{
  width:34px;height:34px;border-radius:10px;border:1.5px solid var(--border-hi);
  display:grid;place-items:center;font-size:14px;font-weight:800;
}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:600;color:var(--muted);transition:color .15s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--text);border-radius:99px;
}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--surface);color:var(--text);display:grid;place-items:center;transition:border-color .15s,transform .15s;
}
.icon-btn:hover{border-color:var(--border-hi);transform:scale(1.04)}
.lang-toggle{display:flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;background:var(--surface)}
.lang-toggle button{border:none;background:transparent;color:var(--muted);font-size:11px;font-weight:800;padding:6px 11px;transition:.15s}
.lang-toggle button.active{background:var(--text);color:var(--bg)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text)}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:fixed;top:calc(var(--nav-h) + env(safe-area-inset-top,0));left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--border);padding:20px;gap:16px;z-index:199;
  }
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-primary{display:none}
}
@media(max-width:480px){
  .brand{font-size:15px;gap:8px}
  .brand > span:last-child{display:none}
  .brand-mark{width:32px;height:32px;font-size:13px}
  .nav-actions{gap:6px}
  .lang-toggle button{padding:6px 8px;font-size:10px}
  .icon-btn,.nav-toggle{width:36px;height:36px;min-width:36px}
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius);font-size:14px;font-weight:700;
  border:none;transition:transform .12s,opacity .12s,background .12s,border-color .12s;
}
.btn:active{transform:scale(.97)}
.btn-magnetic{transition:transform .15s var(--ease-out)}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-primary:hover{opacity:.88}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border-hi)}
.btn-ghost:hover{border-color:var(--text)}
.btn-sm{padding:8px 16px;font-size:13px}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-h) + 40px) 0 80px;overflow-x:hidden;overflow-y:visible}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-webgl,.hero-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-webgl{z-index:0;opacity:.92}
.hero-canvas{z-index:1;opacity:.55}
.hero-grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;opacity:.35;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%);
}
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25;animation:orbFloat 18s ease-in-out infinite}
.hero-orb-1{width:min(480px,120vw);height:min(480px,120vw);background:#fff;top:-10%;left:-5%;animation-delay:0s}
.hero-orb-2{width:min(360px,100vw);height:min(360px,100vw);background:#888;bottom:10%;right:-5%;animation-delay:-6s}
.hero-orb-3{width:min(280px,80vw);height:min(280px,80vw);background:#ccc;top:40%;left:40%;animation-delay:-12s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(.95)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:1.4px;color:var(--muted);margin-bottom:20px;
}
.hero-eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{font-size:clamp(40px,6vw,72px);font-weight:800;line-height:1.02;letter-spacing:-2.5px;margin:0 0 20px}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .word{display:inline-block;transform:translateY(110%);animation:lineUp .8s var(--ease-out) forwards}
.hero h1 .word:nth-child(2){animation-delay:.08s}
@keyframes lineUp{to{transform:translateY(0)}}
.hero-lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:540px;margin:0 0 32px;line-height:1.6}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}
.hero-telemetry{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:28px;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--border);max-width:520px;
}
.hero-visual .hero-telemetry{display:none}
@media(max-width:900px){.hero-telemetry{margin-inline:auto}}
.telemetry-cell{
  display:flex;flex-direction:column;gap:4px;padding:10px 12px;
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.telemetry-label{font-size:9px;font-weight:800;color:var(--muted);letter-spacing:.8px;text-transform:uppercase}
.telemetry-val{font-size:12px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap}
.hero-visual{
  position:relative;display:flex;justify-content:center;align-items:center;
  width:100%;overflow:visible;padding:12px 8px;perspective:900px;
}
.orbit-stage{
  position:relative;
  width:calc(var(--orbit-r) * 2 + var(--orbit-item) + 24px);
  height:calc(var(--orbit-r) * 2 + var(--orbit-item) + 24px);
  margin-inline:auto;flex-shrink:0;
  transition:transform .25s var(--ease-out);transform-style:preserve-3d;
}
.orbit-ring{
  position:absolute;top:50%;left:50%;z-index:0;pointer-events:none;
  width:calc(var(--orbit-r) * 2);height:calc(var(--orbit-r) * 2);
  margin:calc(-1 * var(--orbit-r)) 0 0 calc(-1 * var(--orbit-r));
  border:1px dashed color-mix(in srgb,var(--border-hi) 65%,transparent);
  border-radius:50%;
  animation:orbitRingPulse 5s ease-in-out infinite;
}
.orbit-ring::before{
  content:'';position:absolute;inset:18%;
  border:1px solid color-mix(in srgb,var(--border) 80%,transparent);
  border-radius:50%;
}
@keyframes orbitRingPulse{0%,100%{opacity:.55}50%{opacity:1}}
.orbit-radar{
  position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden;border-radius:50%;
}
.orbit-radar::before{
  content:'';position:absolute;top:50%;left:50%;
  width:50%;height:50%;transform-origin:0 0;
  background:conic-gradient(from 0deg,transparent 0deg,color-mix(in srgb,var(--success) 18%,transparent) 28deg,transparent 56deg);
  animation:radarSweep 5s linear infinite;
  opacity:.7;
}
.orbit-radar::after{
  content:'';position:absolute;top:50%;left:50%;
  width:calc(var(--orbit-r) + var(--orbit-item) / 2);height:1px;
  transform-origin:left center;
  background:linear-gradient(90deg,color-mix(in srgb,var(--success) 55%,transparent),transparent);
  animation:radarLine 5s linear infinite;
}
@keyframes radarSweep{to{transform:rotate(360deg)}}
@keyframes radarLine{to{transform:rotate(360deg)}}
.app-orbit{
  position:absolute;
  inset:calc(var(--orbit-item) / 2 + 12px);
  width:auto;height:auto;
  transition:transform .25s var(--ease-out);
  transform-style:preserve-3d;
}
.orbit-center{
  position:absolute;inset:30%;border-radius:50%;border:1px solid var(--border);
  display:grid;place-items:center;background:var(--surface);font-weight:800;font-size:15px;z-index:2;
  overflow:hidden;
}
.orbit-center canvas#orbitGlobe{
  position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.75;
}
.orbit-center span{position:relative;z-index:1;text-shadow:0 0 12px var(--bg)}
.orbit-item{
  position:absolute;top:50%;left:50%;
  width:var(--orbit-item);height:var(--orbit-item);
  margin:calc(-1 * var(--orbit-item) / 2) 0 0 calc(-1 * var(--orbit-item) / 2);z-index:3;
  border-radius:16px;border:1px solid var(--border-hi);
  background:var(--surface-2);padding:10px;box-shadow:0 8px 32px rgba(0,0,0,.3);
  animation:orbitEqual 40s linear infinite;
  text-decoration:none;color:inherit;cursor:pointer;
  transition:filter .2s,border-color .2s,box-shadow .2s;
  overflow:hidden;
  -webkit-tap-highlight-color:transparent;
}
.orbit-item:active{filter:brightness(1.15);border-color:var(--text)}
.app-orbit:hover .orbit-item{animation-play-state:paused}
.orbit-item:hover{
  filter:brightness(1.2);border-color:var(--text);
  box-shadow:0 12px 40px rgba(0,0,0,.45);z-index:10;
}
.orbit-item img,.orbit-item svg{width:100%;height:100%;object-fit:contain;border-radius:8px}
@keyframes orbitEqual{
  from{transform:rotate(var(--angle)) translateX(var(--orbit-r)) rotate(calc(-1 * var(--angle)))}
  to{transform:rotate(calc(var(--angle) + 360deg)) translateX(var(--orbit-r)) rotate(calc(calc(-1 * var(--angle)) - 360deg))}
}
@media(max-width:900px){
  :root{--orbit-r:105px;--orbit-item:64px}
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:32px}
  .hero-lead{margin-inline:auto}.hero-actions{justify-content:center}
  .hero-visual{order:-1;padding:8px 4px 4px}
}
@media(max-width:480px){
  :root{--orbit-r:82px;--orbit-item:52px}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 24px) 0 48px}
  .hero h1{font-size:clamp(30px,9vw,40px);letter-spacing:-1.2px;margin-bottom:16px}
  .hero-lead{font-size:16px;line-height:1.55;margin-bottom:24px}
  .hero-eyebrow{font-size:10px;letter-spacing:1px;line-height:1.4;justify-content:center;text-align:left}
  .hero-actions{margin-bottom:8px;flex-direction:column;align-items:stretch;width:100%;max-width:320px;margin-inline:auto}
  .hero-actions .btn{width:100%}
  .hero-telemetry{grid-template-columns:repeat(2,1fr);margin-top:20px}
  .orbit-item{width:var(--orbit-item);height:var(--orbit-item);margin:calc(-1 * var(--orbit-item) / 2) 0 0 calc(-1 * var(--orbit-item) / 2);padding:8px;border-radius:12px}
  .orbit-center{font-size:13px}
}

/* marquee */
.marquee-wrap{border-block:1px solid var(--border);padding:16px 0;overflow:hidden;background:var(--surface)}
.marquee-track{display:flex;gap:48px;animation:marquee 30s linear infinite;width:max-content}
.marquee-track span{font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap;text-transform:uppercase;letter-spacing:.8px}
.marquee-track span strong{color:var(--text);font-weight:800}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.scope-wrap{
  border-block:1px solid var(--border);background:var(--surface);
  overflow:hidden;line-height:0;position:relative;
}
.scope-wrap #fftCanvas{display:block;width:100%;height:120px}
.scope-wrap #scopeCanvas{display:block;width:100%;height:64px;opacity:.7;border-top:1px solid var(--border)}
.load-burst{
  position:fixed;inset:0;z-index:9997;pointer-events:none;
  width:100%;height:100%;
}
.load-burst.done{display:none}

/* sections */
section{padding:96px 0}
.section-head{margin-bottom:48px}
.section-head.center{text-align:center}
.section-label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:10px}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-1px;margin:0;line-height:1.1}
.section-desc{color:var(--muted);font-size:17px;margin:14px 0 0;max-width:520px}
.section-head.center .section-desc{margin-inline:auto}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px 20px;text-align:center;transition:border-color .2s,transform .2s;
}
.stat-card:hover{border-color:var(--border-hi);transform:translateY(-2px)}
.stat-card.is-counting{animation:statPulse .6s var(--ease-out)}
@keyframes statPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--text) 20%,transparent)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:none}}
.stat-num{font-size:36px;font-weight:800;letter-spacing:-1px;line-height:1;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--muted);font-weight:600;margin-top:8px}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}

/* apps */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter-btn{
  padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:var(--surface);
  color:var(--muted);font-size:13px;font-weight:700;transition:.15s;
}
.filter-btn:hover,.filter-btn.active{border-color:var(--text);color:var(--text)}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;position:relative;overflow:hidden;transition:border-color .25s,transform .25s;
  transform-style:preserve-3d;will-change:transform;
}
.app-card::before{
  content:'';position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.06),transparent 60%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.app-card:hover::before{opacity:1}
.app-card:hover{border-color:var(--border-hi)}
.app-card-icon{width:56px;height:56px;border-radius:14px;overflow:hidden;margin-bottom:18px;border:1px solid var(--border)}
.app-card-icon img,.app-card-icon svg{width:100%;height:100%;object-fit:cover}
.app-card h3{font-size:20px;font-weight:800;margin:0 0 4px;letter-spacing:-.3px}
.app-card-tagline{font-size:14px;color:var(--muted);font-weight:600;margin-bottom:12px}
.app-card p{font-size:14px;color:var(--muted);margin:0 0 16px;line-height:1.55}
.app-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.chip{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}
.chip.live{border-color:var(--success);color:var(--success)}
.chip.soon{opacity:.8}
.app-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.app-links a,.btn-store{
  font-size:12px;font-weight:700;padding:8px 14px;border-radius:8px;
  border:1px solid var(--border-hi);transition:.15s;white-space:nowrap;
}
.app-links a:hover,.btn-store:hover{border-color:var(--text);transform:translateY(-1px)}
.btn-store-apple{background:var(--text);color:var(--bg);border-color:var(--text)}
.btn-store-play{background:transparent;color:var(--text)}
/* featured apps */
.featured-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:1080px;margin:0 auto}
.featured-card{
  display:flex;flex-direction:column;gap:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:20px;transition:border-color .2s,transform .2s;transform-style:preserve-3d;
}
.featured-card:hover{border-color:var(--border-hi)}
.featured-card[data-tilt]:hover{transform:translateY(-2px)}
.featured-main{display:flex;gap:16px;align-items:flex-start;min-width:0}
.featured-icon{width:64px;height:64px;border-radius:14px;border:1px solid var(--border);object-fit:cover;flex-shrink:0}
.featured-body{min-width:0;flex:1}
.featured-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-bottom:4px}
.featured-body h3{margin:0;font-size:18px;font-weight:800;letter-spacing:-.3px}
.featured-body h3 a{text-decoration:none}
.featured-body h3 a:hover{text-decoration:underline;text-underline-offset:3px}
.featured-chips{display:flex;flex-wrap:wrap;gap:4px}
.featured-chips .chip{font-size:10px;padding:3px 8px}
.featured-tagline{margin:0 0 6px;font-size:14px;font-weight:700;color:var(--text)}
.featured-spec{margin:0 0 8px;font-size:11px;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);letter-spacing:.3px}
.featured-desc{margin:0;font-size:13px;color:var(--muted);line-height:1.55}
.featured-stores{display:flex;flex-wrap:wrap;gap:8px;width:100%}
.featured-stores .btn-store{
  flex:1;min-width:0;text-align:center;font-size:12px;padding:11px 12px;
  min-height:44px;display:inline-flex;align-items:center;justify-content:center;
}
@media(max-width:1024px){
  .featured-grid{grid-template-columns:1fr;gap:16px}
}
@media(min-width:1025px){
  .featured-card{
    flex-direction:row;flex-wrap:wrap;align-items:center;gap:20px;padding:22px 24px;
  }
  .featured-main{flex:1;min-width:200px}
  .featured-stores{width:auto;flex-direction:column;flex:0 0 128px;flex-wrap:nowrap}
  .featured-stores .btn-store{flex:0 0 auto;min-width:118px}
}

/* pinned horizontal app showcase */
.featured-pin{position:relative;background:var(--bg)}
.featured-pin-bar{
  height:2px;background:var(--border);border-radius:99px;margin-top:20px;overflow:hidden;
}
.featured-pin-bar span{
  display:block;height:100%;width:0;background:var(--text);
  transition:width .08s linear;border-radius:99px;
}
.featured-pin-viewport{width:100%;overflow:visible;padding:32px 0 8px}
.featured-pin-track{display:grid;grid-template-columns:1fr;gap:16px;max-width:1080px;margin:0 auto;padding:0 20px}
@media(min-width:901px){
  .featured-pin{height:420vh}
  .featured-pin-sticky{
    position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
    justify-content:center;overflow:hidden;background:var(--bg);z-index:2;
  }
  .featured-pin-viewport{overflow:visible;padding:24px 0}
  .featured-pin-track{
    display:flex;gap:28px;width:max-content;max-width:none;margin:0;
    padding-left:max(20px,calc((100vw - var(--max)) / 2 + 20px));
    padding-right:max(20px,calc((100vw - var(--max)) / 2 + 20px));
    will-change:transform;
  }
  .featured-pin-track .featured-card{
    flex:0 0 clamp(360px,42vw,480px);min-height:300px;
    transition:opacity .25s ease;
  }
}
.field-canvas{
  position:fixed;inset:0;z-index:1;pointer-events:none;width:100%;height:100%;opacity:.45;
}
.hero.calibrating::after{
  content:'';position:absolute;inset:0;z-index:5;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,color-mix(in srgb,var(--success) 35%,transparent) 48%,transparent 52%);
  animation:calScan 1.1s var(--ease-out) forwards;
}
@keyframes calScan{
  0%{transform:translateY(-100%);opacity:0}
  15%{opacity:1}
  100%{transform:translateY(100%);opacity:0}
}
.orbit-center{cursor:pointer}
.orbit-center.cal-flash{animation:centerFlash .5s var(--ease-out)}
@keyframes centerFlash{
  0%,100%{box-shadow:none}
  50%{box-shadow:0 0 0 3px color-mix(in srgb,var(--success) 40%,transparent),0 0 40px color-mix(in srgb,var(--success) 20%,transparent)}
}

/* science grid */
.science-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:8px}
.science-card{
  position:relative;overflow:hidden;transform-style:preserve-3d;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px 24px;transition:border-color .2s,transform .2s,box-shadow .2s;min-height:120px;
}
.science-card:hover{border-color:var(--border-hi);box-shadow:0 0 0 1px color-mix(in srgb,var(--text) 8%,transparent)}
.science-card h3{font-size:15px;font-weight:800;margin:0 0 8px;letter-spacing:-.2px;transition:opacity .25s}
.science-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.55;transition:opacity .25s}
.science-formula{
  position:absolute;inset:0;display:grid;place-items:center;padding:16px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(13px,2.2vw,20px);
  font-weight:800;letter-spacing:-.3px;text-align:center;line-height:1.3;
  background:color-mix(in srgb,var(--surface) 96%,var(--text));
  opacity:0;transform:scale(.94);transition:opacity .25s var(--ease-out),transform .25s var(--ease-out);
  pointer-events:none;z-index:2;
}
.science-card:hover .science-formula,.science-card:focus-within .science-formula{opacity:1;transform:scale(1)}
.science-card:hover h3,.science-card:hover p,.science-card:focus-within h3,.science-card:focus-within p{opacity:.12}
.science-card::after{
  content:'↗ formula';position:absolute;top:12px;right:14px;
  font-size:9px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;
  color:var(--muted);opacity:.45;transition:opacity .2s;pointer-events:none;
}
.science-card:hover::after,.science-card:focus-within::after{opacity:0}
@media(hover:none){
  .science-card::after{display:none}
  .science-formula{position:static;opacity:1;transform:none;background:transparent;padding:10px 0 0;font-size:12px;color:var(--text);border-top:1px solid var(--border);margin-top:10px}
  .science-card:hover h3,.science-card:hover p,.science-card:focus-within h3,.science-card:focus-within p{opacity:1}
}
@media(max-width:1024px){.science-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.science-grid{grid-template-columns:1fr}}
@media(max-width:900px){.apps-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.apps-grid{grid-template-columns:1fr}}

/* principles */
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.principle-card{
  padding:24px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);
  transition:transform .2s,border-color .2s;
}
.principle-card:hover{transform:translateY(-3px);border-color:var(--border-hi)}
.principle-card h3{font-size:15px;font-weight:800;margin:0 0 6px}
.team-handle{
  display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:12px;font-weight:800;letter-spacing:.3px;color:var(--text);
  background:color-mix(in srgb,var(--text) 8%,transparent);
  border:1px solid var(--border);border-radius:6px;padding:3px 8px;margin-bottom:8px;
}
.principle-card p{font-size:13px;color:var(--muted);margin:0}
@media(max-width:768px){.principles-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.principles-grid{grid-template-columns:1fr}}

/* blog */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.blog-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;transition:border-color .2s,transform .2s;overflow:hidden;position:relative;
}
.blog-card::after{
  content:'';position:absolute;bottom:0;left:0;height:2px;width:0;background:var(--text);transition:width .35s var(--ease-out);
}
.blog-card:hover{border-color:var(--border-hi);transform:translateY(-3px)}
.blog-card:hover::after{width:100%}
.blog-date{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:10px}
.blog-card h3{font-size:18px;font-weight:800;margin:0 0 10px;letter-spacing:-.2px;line-height:1.3}
.blog-card p{font-size:14px;color:var(--muted);margin:0 0 14px;line-height:1.55}
.blog-tags{display:flex;gap:6px;flex-wrap:wrap}
@media(max-width:768px){.blog-grid{grid-template-columns:1fr}}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.about-p{font-size:17px;line-height:1.75;color:color-mix(in srgb,var(--text) 88%,var(--muted));margin:0 0 16px}
.about-edu{font-size:16px;color:var(--muted);font-weight:700;margin:0 0 20px}
.about-timeline{max-width:640px}
.about-photo{
  aspect-ratio:4/5;border-radius:var(--radius-lg);border:1px solid var(--border);
  background:var(--surface);position:relative;overflow:hidden;
}
.about-photo img{width:100%;height:100%;object-fit:cover;display:block}
.about-photo::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.04));
}
.timeline{margin-top:40px}
.timeline-item{position:relative;padding-left:28px;padding-bottom:28px;border-left:2px solid var(--border)}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:'';position:absolute;left:-6px;top:4px;width:10px;height:10px;border-radius:50%;
  background:var(--text);transform:scale(0);transition:transform .4s var(--ease-spring);
}
.timeline-item.visible::before{transform:scale(1)}
.timeline-year{font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.timeline-item h3{font-size:17px;font-weight:800;margin:6px 0}
.timeline-item p{font-size:14px;color:var(--muted);margin:0}
.skills-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.skill-tag{padding:8px 14px;border-radius:999px;border:1px solid var(--border);font-size:13px;font-weight:700;background:var(--surface)}
@media(max-width:768px){.about-grid{grid-template-columns:1fr;gap:32px}}
@media(max-width:768px){
  .about-photo{max-width:320px;margin-inline:auto;order:-1}
}

/* contact */
.contact-section{background:var(--surface);border-block:1px solid var(--border)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact-links{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.contact-link{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--radius);
  border:1px solid var(--border);font-weight:700;font-size:14px;transition:.15s;
}
.contact-link:hover{border-color:var(--text);transform:translateX(4px)}
.contact-link svg{width:20px;height:20px;flex-shrink:0;opacity:.7}
.newsletter{
  padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg);
}
.newsletter h3{font-size:18px;font-weight:800;margin:0 0 8px}
.newsletter p{font-size:14px;color:var(--muted);margin:0 0 16px}
.newsletter-form{display:flex;gap:8px}
.newsletter-form input{
  flex:1;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-family:inherit;font-size:14px;
}
.newsletter-form input:focus{outline:none;border-color:var(--border-hi)}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}.newsletter-form{flex-direction:column}}

/* footer */
.site-footer{border-top:1px solid var(--border);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:14px;font-weight:600;color:var(--muted);transition:color .15s}
.footer-col a:hover{color:var(--text)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);font-weight:600}
.social-row{display:flex;gap:8px;margin-top:16px}
.social-btn{
  width:40px;height:40px;border-radius:var(--radius);border:1px solid var(--border);
  display:grid;place-items:center;transition:.15s;color:var(--muted);
}
.social-btn:hover{border-color:var(--text);color:var(--text);transform:translateY(-2px)}
.social-btn svg{width:18px;height:18px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* blog post */
.post-header{padding:calc(var(--nav-h) + 48px) 0 32px;text-align:center;max-width:680px;margin:0 auto}
.post-header h1{font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-.8px;margin:16px 0}
.post-meta{font-size:13px;color:var(--muted);font-weight:600}
.post-body{max-width:680px;margin:0 auto;padding:0 20px 80px;font-size:17px;line-height:1.75}
.post-body h2{font-size:22px;font-weight:800;margin:36px 0 12px;letter-spacing:-.3px}
.post-body h3{font-size:18px;font-weight:800;margin:28px 0 10px}
.post-body p{margin:0 0 16px;color:color-mix(in srgb,var(--text) 88%,var(--muted))}
.post-body ul,.post-body ol{margin:0 0 20px 24px;padding:0;line-height:1.75;color:color-mix(in srgb,var(--text) 88%,var(--muted))}
.post-body li{margin-bottom:8px}
.post-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;padding:2px 6px;border-radius:6px;background:var(--surface);border:1px solid var(--border)}
.post-body strong{color:var(--text);font-weight:800}
.post-body a{text-decoration:underline;text-underline-offset:3px}

/* reveal — visible without JS; animate in only after js-ready */
.reveal{opacity:1;transform:none}
html.js-ready .reveal:not(.visible){
  opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--ease-out),transform .7s var(--ease-out);
}
html.js-ready .reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}

html:not([data-lang]) .vi-only{display:none!important}
html[data-lang="en"] .vi-only{display:none!important}
html[data-lang="vi"] .en-only{display:none!important}
[data-lang="vi"] .en-only{display:none!important}
[data-lang="en"] .vi-only{display:none!important}

/* modal */
.modal-overlay{
  position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:20px;opacity:0;visibility:hidden;transition:.25s;
}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  max-width:480px;width:100%;padding:32px;transform:scale(.95);transition:transform .25s var(--ease-out);
}
.modal-overlay.open .modal{transform:scale(1)}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text)}

/* mobile & tablet polish */
@media(max-width:768px){
  section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .section-desc{font-size:15px;max-width:none}
  .stat-num{font-size:30px}
  .stat-card{padding:22px 16px}
  .blog-card,.app-card,.science-card,.principle-card{padding:20px}
  .contact-link{min-height:48px}
  .btn{min-height:44px}
}
@media(hover:none){
  .cursor-glow{display:none!important}
  .app-card[data-tilt]{transform:none!important}
}

/* interactive labs */
.labs-section{padding:72px 0}
.lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.lab-panel{
  border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;
  background:var(--bg);display:flex;flex-direction:column;gap:12px;
}
.lab-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.lab-head h3{margin:0;font-size:17px;font-weight:800}
.lab-canvas{
  width:100%;height:140px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--surface-2);display:block;
}
.lab-canvas-touch{cursor:crosshair;touch-action:none;height:220px}
.lab-actions{display:flex;gap:8px}
.lab-hint{margin:0;font-size:12px;color:var(--muted);line-height:1.5}
.lab-readout{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:10px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);
}
.lab-readout-row{display:flex;flex-direction:column;gap:2px;font-size:10px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.lab-readout-row strong{font-size:13px;font-weight:800;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:none;letter-spacing:0}
.lab-readout-fuse strong{color:var(--success)}
.live-sensor-btn{margin-top:8px;font-size:12px;padding:8px 14px}
.live-sensor-btn.active{border-color:var(--success);color:var(--success)}
.telemetry-live{
  grid-column:1/-1;font-size:9px;font-weight:800;letter-spacing:1px;
  color:var(--success);text-transform:uppercase;padding:2px 0 4px;
}
.app-stats{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 10px}
.chip-stat{font-size:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* section nav */
.section-nav{
  position:fixed;left:max(12px,env(safe-area-inset-left));top:50%;
  transform:translateY(-50%);z-index:300;display:flex;flex-direction:column;gap:6px;
}
.section-nav a{
  display:flex;align-items:center;gap:8px;font-size:10px;font-weight:700;
  color:var(--muted);text-decoration:none;transition:color .15s;
}
.section-nav a::before{
  content:'';width:6px;height:6px;border-radius:50%;border:1.5px solid var(--border-hi);
  transition:background .15s,border-color .15s,transform .15s;
}
.section-nav a.active{color:var(--text)}
.section-nav a.active::before{background:var(--text);border-color:var(--text);transform:scale(1.2)}
.section-nav a span{opacity:0;transform:translateX(-4px);transition:opacity .15s,transform .15s;
  background:var(--surface);border:1px solid var(--border);padding:4px 8px;border-radius:8px;white-space:nowrap;
}
.section-nav a:hover span,.section-nav a:focus-visible span{opacity:1;transform:none}
@media(max-width:1100px){.section-nav{display:none}}

/* command palette + shortcuts */
.cmd-palette,.shortcut-modal{
  position:fixed;inset:0;z-index:500;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;
}
.cmd-palette.open,.shortcut-modal.open{opacity:1;visibility:visible}
.cmd-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px)}
.cmd-panel,.shortcut-panel{
  position:relative;max-width:520px;width:calc(100% - 32px);margin:12vh auto 0;
  background:var(--surface);border:1px solid var(--border-hi);border-radius:var(--radius-lg);
  padding:16px;box-shadow:0 24px 80px rgba(0,0,0,.35);
}
#cmdInput{
  width:100%;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--bg);color:var(--text);padding:12px 14px;font-size:15px;font-family:inherit;
}
#cmdInput:focus{outline:none;border-color:var(--border-hi)}
.cmd-results{list-style:none;margin:12px 0 0;padding:0;max-height:320px;overflow:auto}
.cmd-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius);
  color:var(--text);text-decoration:none;font-size:14px;font-weight:600;
}
.cmd-item:hover,.cmd-item.active{background:var(--surface-2)}
.cmd-type{font-size:9px;font-weight:800;text-transform:uppercase;color:var(--muted);min-width:36px}
.cmd-empty{padding:16px;color:var(--muted);font-size:14px}
.shortcut-panel h3{margin:0 0 16px;font-size:18px}
.shortcut-list{display:grid;gap:10px;margin:0}
.shortcut-list div{display:flex;align-items:center;gap:12px}
.shortcut-list dt{
  min-width:36px;text-align:center;font-family:ui-monospace,Menlo,monospace;font-size:12px;font-weight:700;
  border:1px solid var(--border);border-radius:8px;padding:4px 8px;background:var(--bg);
}
.shortcut-list dd{margin:0;font-size:14px;color:var(--muted)}

/* blog read time */
.read-time-pill{
  position:fixed;top:calc(var(--nav-h) + env(safe-area-inset-top,0) + 12px);right:max(16px,env(safe-area-inset-right));
  z-index:350;padding:8px 14px;border-radius:999px;border:1px solid var(--border-hi);
  background:color-mix(in srgb,var(--surface) 92%,transparent);font-size:12px;font-weight:700;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s;
  backdrop-filter:blur(8px);
}
.read-time-pill.visible{opacity:1;visibility:visible;transform:none}
.kbd-hint{
  display:inline-block;font-family:ui-monospace,Menlo,monospace;font-size:10px;font-weight:700;
  border:1px solid var(--border);border-radius:6px;padding:1px 6px;color:var(--muted);vertical-align:middle;
}

@media(max-width:900px){
  .lab-grid{grid-template-columns:1fr}
}