/* ============================================================
   Responsivly — White Glassmorphism
   ============================================================ */
:root{
  --bg:#f4f6fc;
  --glass:rgba(255,255,255,.55);--glass-strong:rgba(255,255,255,.78);--glass-soft:rgba(255,255,255,.35);
  --line:rgba(255,255,255,.85);--line-ink:rgba(15,23,42,.08);--line-ink2:rgba(15,23,42,.14);
  --text:#0f172a;--muted:#5b6478;--dim:#94a0b8;
  --a1:#6366f1;--a2:#06b6d4;--a3:#ec4899;--ok:#059669;--warn:#d97706;--bad:#dc2626;
  --grad:linear-gradient(135deg,#6366f1,#06b6d4);
  --r:20px;--blur:blur(12px) saturate(160%);
  --shadow:0 1px 0 rgba(255,255,255,.9) inset,0 20px 50px -24px rgba(30,41,90,.22),0 2px 6px -2px rgba(30,41,90,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.15;letter-spacing:-.02em}
code,pre,.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.hidden{display:none!important}
::selection{background:var(--a1);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d5dbea;border-radius:10px;border:2px solid var(--bg)}

/* ---------- background ---------- */
.bg-mesh{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
   radial-gradient(900px 600px at 8% -10%,rgba(99,102,241,.16),transparent 60%),
   radial-gradient(800px 600px at 100% 10%,rgba(6,182,212,.14),transparent 60%),
   radial-gradient(700px 500px at 50% 110%,rgba(236,72,153,.10),transparent 60%),var(--bg)}
main,header,footer{position:relative;z-index:2}
/* heavy repeated cards: no backdrop-filter (big perf win) */
.feat.glass,.iss.glass,.libc.glass,.qa.glass,.step.glass,.stat.glass{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(255,255,255,.72)}

/* ---------- glass ---------- */
.glass{background:var(--glass);border:1px solid var(--line);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-radius:var(--r);box-shadow:var(--shadow)}
.glass-strong{background:var(--glass-strong)}

/* ---------- nav ---------- */
header{position:sticky;top:0;z-index:50;padding:14px 0;transition:padding .3s}
header.scrolled{padding:8px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 10px 9px 18px;border-radius:999px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:19px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 20px -6px rgba(99,102,241,.6)}
.logo-mark svg{width:16px;height:16px}
.nav-links{display:flex;gap:2px}
.nav-links a{padding:8px 14px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.7)}
.nav-cta{display:flex;gap:8px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:.25s;white-space:nowrap}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 10px 26px -10px rgba(99,102,241,.75)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(99,102,241,.8)}
.btn-g{background:rgba(255,255,255,.7);border:1px solid var(--line-ink2);color:var(--text)}
.btn-g:hover{background:#fff}
.burger{display:none;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.8);border:1px solid var(--line-ink)}

/* ---------- hero ---------- */
.hero{position:relative;padding:84px 0 30px;text-align:center;overflow-x:clip}
.orb{position:absolute;border-radius:50%;pointer-events:none;z-index:-1;will-change:translate;contain:layout paint}
.orb::before{content:"";position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 30% 26%,rgba(255,255,255,.95),rgba(255,255,255,.25) 18%,transparent 42%),
             radial-gradient(circle at 72% 78%,rgba(255,255,255,.35),transparent 38%)}
.orb::after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid rgba(255,255,255,.8);
  box-shadow:inset 0 0 50px rgba(255,255,255,.55),inset -24px -34px 70px rgba(30,41,90,.12)}
.orb-1{width:min(420px,58vw);aspect-ratio:1;left:-5%;top:10px;
  background:radial-gradient(circle at 35% 35%,#c7c9ff,#8b8ef7 50%,#6366f1 90%);opacity:.85;
  box-shadow:0 40px 120px -20px rgba(99,102,241,.55);animation:float1 12s ease-in-out infinite}
.orb-2{width:min(300px,44vw);aspect-ratio:1;right:-3%;top:230px;
  background:radial-gradient(circle at 35% 35%,#d4f8ff,#67e1f3 50%,#06b6d4 92%);opacity:.85;
  box-shadow:0 40px 120px -20px rgba(6,182,212,.5);animation:float2 14s ease-in-out infinite}
@keyframes float1{0%,100%{translate:0 0}50%{translate:28px 36px}}
@keyframes float2{0%,100%{translate:0 0}50%{translate:-28px -34px}}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 6px;border-radius:999px;font-size:13px;color:var(--muted);margin-bottom:24px}
.pill b{background:var(--grad);color:#fff;padding:3px 10px;border-radius:999px;font-size:11px;letter-spacing:.04em}
.hero h1{font-size:clamp(36px,6.2vw,76px);font-weight:700;max-width:960px;margin:0 auto}
.grad-t{background:linear-gradient(120deg,#4338ca 0%,#6366f1 35%,#06b6d4 80%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--muted);font-size:clamp(16px,1.6vw,19px);max-width:640px;margin:20px auto 32px}

.url-card{max-width:760px;margin:0 auto;padding:8px;border-radius:22px;display:flex;gap:8px;align-items:center;background:var(--glass-strong);transition:.3s}
.url-card:focus-within{border-color:rgba(99,102,241,.5);box-shadow:0 0 0 5px rgba(99,102,241,.12),0 30px 70px -30px rgba(99,102,241,.45)}
.url-card .ico{padding-left:12px;color:var(--dim);display:flex}
.url-card input{flex:1;min-width:0;background:none;border:0;outline:0;font-size:16px;padding:14px 4px}
.url-card input::placeholder{color:var(--dim)}
.url-card .btn{padding:14px 26px;border-radius:15px}
.chips{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--dim)}
.chip{padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.65);border:1px solid var(--line-ink);color:var(--muted);transition:.2s;font-size:13px}
.chip:hover{border-color:var(--a1);color:var(--a1);background:#fff}
.stats{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:38px}
.stat{padding:10px 18px;border-radius:14px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}
.stat strong{color:var(--text);font-family:"Space Grotesk"}

/* ---------- tool ---------- */
#tool{padding:30px 0 30px;scroll-margin-top:80px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px;margin-bottom:14px}
.seg{display:flex;background:rgba(15,23,42,.05);border:1px solid var(--line-ink);border-radius:12px;padding:3px}
.seg button{padding:7px 12px;border-radius:9px;font-size:13px;font-weight:500;color:var(--muted);transition:.2s;display:flex;align-items:center;gap:6px}
.seg button.on{background:#fff;color:var(--text);box-shadow:0 2px 8px -2px rgba(30,41,90,.18)}
.tbtn{height:36px;min-width:36px;padding:0 11px;border-radius:11px;background:rgba(255,255,255,.65);border:1px solid var(--line-ink);font-size:13px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:.2s}
.tbtn:hover,.tbtn.on{color:var(--text);border-color:var(--line-ink2);background:#fff}
.tbtn.on{color:var(--a1)}
.tsep{flex:1}
.zoom{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);padding:0 4px}
input[type=range]{-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:#dde2ee;outline:0;width:110px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--a1);box-shadow:0 0 0 4px rgba(99,102,241,.15);cursor:pointer}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--a1)}

.workspace{display:block}
.side{padding:14px;position:sticky;top:86px;max-height:calc(100vh - 100px);display:flex;flex-direction:column}
.side h4{font-size:13px;font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between;color:var(--muted);font-family:Inter}
.side h4 span{color:var(--a1)}
.search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.75);border:1px solid var(--line-ink);border-radius:11px;padding:0 10px;margin-bottom:10px}
.search input{flex:1;background:none;border:0;outline:0;padding:9px 0;font-size:13px;min-width:0}
.ftabs{display:flex;gap:4px;margin-bottom:8px;flex-wrap:wrap}
.ftabs button{padding:5px 8px;border-radius:8px;font-size:12px;color:var(--muted);border:1px solid transparent}
.ftabs button:hover{color:var(--text)}
.ftabs button.on{background:#fff;color:var(--text);border-color:var(--line-ink);box-shadow:0 2px 6px -2px rgba(30,41,90,.15)}
.dlist{overflow:auto;flex:1;margin:0 -6px;padding:0 6px}
.brand{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--dim);margin:12px 0 4px;font-weight:600}
.dev{display:flex;align-items:center;gap:10px;padding:7px 9px;border-radius:10px;font-size:13px;cursor:pointer;transition:.15s;user-select:none}
.dev:hover{background:rgba(255,255,255,.8)}
.dev .ck{width:16px;height:16px;border-radius:5px;border:1.5px solid #c3cadb;display:grid;place-items:center;flex-shrink:0;transition:.15s;background:#fff}
.dev.on .ck{background:var(--grad);border-color:transparent}
.dev.on .ck::after{content:"";width:8px;height:4px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.dev .nm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dev .sz{font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}
.dev .fav{opacity:0;color:var(--dim);font-size:13px;padding:0 2px}
.dev:hover .fav,.dev .fav.on{opacity:1}.dev .fav.on{color:#f59e0b}
.custom{display:flex;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line-ink)}
.custom input{width:100%;min-width:0;background:rgba(255,255,255,.8);border:1px solid var(--line-ink);border-radius:9px;padding:7px 8px;font-size:12px;outline:0}
.custom input:focus{border-color:var(--a1)}
.custom button{padding:0 10px;border-radius:9px;background:#fff;border:1px solid var(--line-ink);font-size:12px;white-space:nowrap}

.stage-wrap{overflow:hidden;min-height:620px;position:relative}
.stage-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line-ink);font-size:12px;color:var(--muted)}
.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%}
.dots i:nth-child(1){background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.addr{flex:1;min-width:0;background:rgba(255,255,255,.8);border:1px solid var(--line-ink);border-radius:8px;padding:5px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stage{padding:30px 24px 40px;display:flex;flex-wrap:wrap;gap:40px;justify-content:center;align-items:flex-start;overflow:auto;min-height:560px}
.frame{display:flex;flex-direction:column;align-items:center;gap:14px;animation:pop .45s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}}
.flabel{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:center}
.flabel b{color:var(--text);font-weight:600}
.flabel .x{opacity:.5;padding:0 4px}.flabel .x:hover{opacity:1;color:var(--bad)}
.shell{position:relative;transition:width .35s ease,height .35s ease}
.device{position:absolute;top:0;left:0;transform-origin:0 0;background:#fff;overflow:hidden;transition:transform .35s}
.device.phone{border-radius:44px;box-shadow:0 0 0 10px #1c1f2a,0 0 0 11px #3a3e4f,0 40px 70px -24px rgba(30,41,90,.45)}
.device.tablet{border-radius:28px;box-shadow:0 0 0 16px #1c1f2a,0 0 0 17px #3a3e4f,0 40px 70px -24px rgba(30,41,90,.45)}
.device.desktop{border-radius:12px;box-shadow:0 0 0 12px #1c1f2a,0 0 0 13px #3a3e4f,0 40px 70px -24px rgba(30,41,90,.45)}
.noframe .device{border-radius:6px!important;box-shadow:0 0 0 1px var(--line-ink2),0 30px 60px -24px rgba(30,41,90,.35)!important}
.noframe .notch{display:none}
.notch{position:absolute;top:10px;left:50%;translate:-50% 0;width:110px;height:30px;background:#000;border-radius:20px;z-index:3;pointer-events:none}
.device.landscape .notch{display:none}
.device iframe{width:100%;height:100%;border:0;background:#fff;display:block}
.loader{position:absolute;inset:0;display:grid;place-items:center;background:#f7f8fc;z-index:2;transition:opacity .4s}
.loader.hide{opacity:0;pointer-events:none}
.spin{width:38px;height:38px;border-radius:50%;border:3px solid #e2e6f0;border-top-color:var(--a1);animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.empty{text-align:center;color:var(--muted);padding:80px 20px;max-width:440px;margin:auto}
.empty .big{width:84px;height:84px;margin:0 auto 18px;border-radius:24px;display:grid;place-items:center;font-size:34px}
.empty h3{color:var(--text);font-size:22px;margin-bottom:8px}
.warn{display:none;margin:12px 14px 0;padding:12px 14px;border-radius:12px;background:rgba(254,243,199,.8);border:1px solid rgba(217,119,6,.25);color:#92400e;font-size:13px;align-items:center;gap:10px}
.warn.show{display:flex}
.warn button{margin-left:auto;color:#92400e;text-decoration:underline;font-weight:600;white-space:nowrap}
.compare-inputs,.single-bar{display:none;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line-ink);align-items:center}
.compare-inputs.show,.single-bar.show{display:flex}
.compare-inputs input{flex:1;min-width:0;background:rgba(255,255,255,.85);border:1px solid var(--line-ink);border-radius:10px;padding:9px 12px;font-size:13px;outline:0}
.compare-inputs input:focus{border-color:var(--a1)}
.single-bar{font-size:12px;color:var(--muted)}
.single-bar input[type=range]{flex:1;width:auto}
.single-bar b{color:var(--text);min-width:64px}
.bps{display:flex;gap:4px;flex-wrap:wrap}
.bps button{padding:3px 8px;border-radius:6px;border:1px solid var(--line-ink);background:#fff;font-size:11px;color:var(--muted)}
.bps button:hover{border-color:var(--a1);color:var(--a1)}
.tag{display:inline-block;font-size:10px;padding:2px 8px;border-radius:99px;background:rgba(236,72,153,.12);color:#be185d;font-family:Inter;letter-spacing:.04em;font-weight:600}
.tag.new{background:rgba(5,150,105,.12);color:var(--ok)}
.tag.bp{background:rgba(99,102,241,.1);color:var(--a1)}

/* checks */
.checks{display:grid;grid-template-columns:repeat(5,1fr) auto;gap:10px;margin-top:14px;padding:12px;align-items:center}
.ck-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.65);border:1px solid var(--line-ink)}
.ck-ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#fff;border:1px solid var(--line-ink);font-size:16px;flex-shrink:0}
.ck-card small{display:block;font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.ck-card span{font-size:14px;font-weight:600}
.ok{color:var(--ok)}.bad{color:var(--bad)}.mid{color:var(--warn)}
.score{position:relative;width:46px;height:46px;flex-shrink:0}
.score svg{transform:rotate(-90deg)}
.score b{position:absolute;inset:0;display:grid;place-items:center;font-size:13px;font-family:"Space Grotesk"}

/* checklist */
.checklist{margin-top:14px;padding:18px}
.checklist-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}
.checklist-head h3{font-size:18px}
.checklist-head p{color:var(--muted);font-size:13px}
.cl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}
.cl-item{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.6);border:1px solid var(--line-ink);font-size:13px;cursor:pointer;transition:.15s}
.cl-item:hover{background:#fff}
.cl-item .ck{width:18px;height:18px;border-radius:6px;border:1.5px solid #c3cadb;flex-shrink:0;margin-top:1px;display:grid;place-items:center;background:#fff}
.cl-item.ok .ck{background:var(--ok);border-color:var(--ok)}
.cl-item.ok .ck::after{content:"✓";color:#fff;font-size:11px;font-weight:700}
.cl-item.bad .ck{background:var(--bad);border-color:var(--bad)}
.cl-item.bad .ck::after{content:"✕";color:#fff;font-size:10px;font-weight:700}
.cl-item small{display:block;color:var(--dim);font-size:11px}
.cl-item a{color:var(--a1);font-weight:600;font-size:11px}
.cl-progress{height:6px;border-radius:6px;background:#e5e9f2;overflow:hidden;margin-top:12px}
.cl-progress i{display:block;height:100%;background:var(--grad);width:0;transition:width .4s}

/* sections */
section{padding:86px 0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--a1);font-weight:700;margin-bottom:12px}
.sh{text-align:center;max-width:720px;margin:0 auto 46px}
.sh h2{font-size:clamp(30px,4vw,48px)}
.sh p{color:var(--muted);margin-top:14px;font-size:17px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}
.step{padding:28px;position:relative;overflow:hidden}
.step::before{counter-increment:s;content:"0" counter(s);font-family:"Space Grotesk";font-size:64px;font-weight:700;position:absolute;right:18px;top:4px;color:rgba(99,102,241,.08)}
.step h3{font-size:19px;margin:14px 0 8px}.step p{color:var(--muted);font-size:15px}
.sic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:20px;background:#fff;border:1px solid var(--line-ink);box-shadow:0 6px 16px -8px rgba(30,41,90,.25)}

.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feat{padding:24px;transition:.35s;position:relative;overflow:hidden}
.feat::after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:.4s;pointer-events:none;
  background:radial-gradient(380px circle at var(--mx,50%) var(--my,50%),rgba(99,102,241,.12),transparent 45%)}
.feat:hover{transform:translateY(-4px);background:rgba(255,255,255,.8)}
.feat:hover::after{opacity:1}
.feat h3{font-size:16px;margin:14px 0 6px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.feat p{color:var(--muted);font-size:14px}

/* issues library */
.iss-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:10px}
.iss-bar .search{margin:0;flex:1;max-width:360px}
.iss-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.iss{padding:0;overflow:hidden;scroll-margin-top:100px;min-width:0}
.iss-top{padding:20px 22px 14px;display:flex;gap:14px;align-items:flex-start}
.iss-top .sic{flex-shrink:0}
.iss h3{font-size:17px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.iss p{color:var(--muted);font-size:14px;margin-top:4px}
.sev{font-size:10px;padding:2px 8px;border-radius:99px;font-family:Inter;font-weight:700;letter-spacing:.04em}
.sev.high{background:rgba(220,38,38,.1);color:var(--bad)}.sev.med{background:rgba(217,119,6,.12);color:var(--warn)}.sev.low{background:rgba(99,102,241,.1);color:var(--a1)}
.iss-how{padding:0 22px 12px;font-size:13px;color:var(--muted)}
.iss-how b{color:var(--text)}
.codebox{position:relative;margin:0 14px 14px;border-radius:14px;background:#0f172a;overflow:hidden}
.codebox pre{padding:16px 16px;font-size:12.5px;color:#e2e8f0;overflow:auto;line-height:1.55;white-space:pre}
.codebox .lang{position:absolute;top:8px;left:14px;font-size:10px;color:#64748b;letter-spacing:.1em;text-transform:uppercase}
.codebox pre{padding-top:28px}
.codebox button{position:absolute;top:8px;right:8px;font-size:11px;padding:4px 10px;border-radius:7px;background:rgba(255,255,255,.1);color:#e2e8f0}
.codebox button:hover{background:rgba(255,255,255,.2)}
.hl{background:rgba(99,102,241,.35);border-radius:3px}
.iss.flash{animation:flash 1.4s ease}
@keyframes flash{0%,100%{box-shadow:var(--shadow)}30%{box-shadow:0 0 0 4px rgba(99,102,241,.35),var(--shadow)}}

.lib{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.libc{padding:14px;display:flex;align-items:center;gap:12px;font-size:13px;cursor:pointer;transition:.2s;text-align:left}
.libc:hover{border-color:rgba(99,102,241,.4);transform:translateY(-2px);background:rgba(255,255,255,.85)}
.libc .mini{border:1.5px solid #b9c1d6;border-radius:4px;flex-shrink:0;background:#fff}
.libc small{display:block;color:var(--dim);font-size:11px}

.vs{overflow:hidden}
.vs table{width:100%;border-collapse:collapse;font-size:15px}
.vs th,.vs td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line-ink)}
.vs th{font-size:13px;color:var(--muted);font-weight:500}
.vs th.me{color:var(--a1);background:rgba(99,102,241,.07);font-weight:700}
.vs td.me{background:rgba(99,102,241,.05);font-weight:600}
.vs tr:last-child td{border:0}
.y{color:var(--ok)}.n{color:var(--dim)}

.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.qa{overflow:hidden}
.qa button{width:100%;text-align:left;padding:20px 24px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.qa button i{width:28px;height:28px;border-radius:50%;background:#fff;border:1px solid var(--line-ink);display:grid;place-items:center;font-style:normal;transition:.3s;flex-shrink:0}
.qa.open button i{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.qa .ans{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s ease}
.qa.open .ans{grid-template-rows:1fr}
.qa .ans>div{overflow:hidden;padding:0 24px;color:var(--muted)}
.qa.open .ans>div{padding-bottom:20px}

.embed{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:40px;align-items:center}
.embed h2{font-size:32px}.embed p{color:var(--muted);margin:12px 0 20px}
pre.code{background:#0f172a;border-radius:14px;padding:18px;font-size:12px;color:#c7d2fe;white-space:pre-wrap;word-break:break-all;max-height:180px;overflow:auto}
.share-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

.cta{text-align:center;padding:70px 30px;position:relative;overflow:hidden;border-radius:28px}
.cta::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;left:50%;top:-70%;translate:-50% 0;background:radial-gradient(circle,rgba(99,102,241,.25),transparent 65%);z-index:-1}
.cta h2{font-size:clamp(30px,4vw,46px);max-width:640px;margin:0 auto}
.cta p{color:var(--muted);max-width:520px;margin:16px auto 28px}

footer{padding:46px 0 40px;margin-top:30px;border-top:1px solid var(--line-ink);background:rgba(255,255,255,.35);backdrop-filter:blur(10px)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}
.foot a:hover{color:var(--a1)}
.kbd{font-size:11px;padding:2px 6px;border-radius:5px;background:#fff;border:1px solid var(--line-ink2);font-family:ui-monospace,monospace}

/* modal + toast */
.modal{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,.25);backdrop-filter:blur(8px);display:none;place-items:center;padding:20px}
.modal.show{display:grid}
.mbox{padding:30px;text-align:center;max-width:380px;width:100%;animation:pop .35s both;background:rgba(255,255,255,.85)}
.mbox h3{font-size:20px}.mbox p{color:var(--muted);font-size:14px;margin:6px 0 18px}
#qr{background:#fff;padding:14px;border-radius:16px;display:inline-block;margin-bottom:18px;border:1px solid var(--line-ink)}
#qr img,#qr canvas{display:block}
.keys{text-align:left;display:grid;grid-template-columns:auto 1fr;gap:10px 14px;font-size:14px;margin-bottom:20px;color:var(--muted)}
.toast{position:fixed;bottom:24px;left:50%;translate:-50% 140px;z-index:120;padding:12px 20px;border-radius:14px;font-size:14px;transition:.4s cubic-bezier(.2,.9,.3,1.2);display:flex;gap:8px;align-items:center;background:rgba(255,255,255,.9);font-weight:500}
.toast.show{translate:-50% 0}
body.fs{overflow:hidden}
.fs .stage-wrap{position:fixed;inset:0;z-index:90;border-radius:0;background:rgba(244,246,252,.97)}
.fs .stage{max-height:calc(100vh - 50px)}

/* responsive */
@media (max-width:1100px){.feats{grid-template-columns:repeat(2,1fr)}.checks{grid-template-columns:repeat(3,1fr)}}
@media (max-width:960px){.iss-grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:62px;left:0;right:0;flex-direction:column;padding:10px;background:rgba(255,255,255,.95);border:1px solid var(--line-ink);border-radius:18px;box-shadow:var(--shadow)}
  .burger{display:grid;place-items:center}
  .nav-cta .btn-g{display:none}
  .steps,.embed{grid-template-columns:1fr}
}
@media (max-width:600px){
  .feats{grid-template-columns:1fr}.checks{grid-template-columns:1fr 1fr}
  .checks .btn{grid-column:1/-1}
  .url-card{flex-wrap:wrap}.url-card .btn{width:100%}
  .hero{padding-top:56px}.orb-1{left:-30%}.orb-2{right:-25%;top:360px}
  .tsep{display:none}.vs th,.vs td{padding:12px 10px;font-size:13px}
  .embed{padding:24px}section{padding:60px 0}
  .nav-cta .btn-p{padding:9px 14px}
  .compare-inputs{flex-wrap:wrap}
  .single-bar{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ============ DEVICE DOCK ============ */
.dock{padding:14px;margin-bottom:14px;position:relative;z-index:5}
.dock-top{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.dock-search{margin:0;flex:1;min-width:180px;max-width:280px}
.dock-presets{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.dim-label{font-size:12px;color:var(--dim)}
.dock-right{display:flex;gap:8px;align-items:center;margin-left:auto}
.sel-pill{font-size:12px;font-weight:600;color:var(--a1);background:rgba(99,102,241,.1);padding:7px 12px;border-radius:999px;white-space:nowrap}
.pop-wrap{position:relative}
.custom-pop{position:absolute;right:0;top:calc(100% + 8px);width:250px;padding:16px;display:none;flex-direction:column;gap:10px;background:rgba(255,255,255,.95);z-index:20}
.custom-pop.show{display:flex}
.custom-pop b{font-size:14px}
.custom-row{display:flex;gap:6px;align-items:center;color:var(--dim)}
.custom-row input{width:100%;min-width:0;background:#fff;border:1px solid var(--line-ink2);border-radius:10px;padding:9px 10px;font-size:13px;outline:0}
.custom-row input:focus{border-color:var(--a1)}
.custom-pop .btn{padding:10px}
.brandbar{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0 4px}
.brandbar button{display:flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:500;color:var(--muted);border:1px solid var(--line-ink);background:rgba(255,255,255,.6);transition:.2s}
.brandbar button i{font-style:normal;font-size:10px;color:var(--dim);background:rgba(15,23,42,.05);padding:1px 6px;border-radius:99px}
.brandbar button:hover{color:var(--text);background:#fff}
.brandbar button.on{background:var(--text);color:#fff;border-color:var(--text)}
.brandbar button.on i{background:rgba(255,255,255,.2);color:#fff}
.tiles-wrap{position:relative}
.tiles{display:flex;gap:10px;overflow-x:auto;scroll-behavior:smooth;scroll-snap-type:x proximity;padding:10px 2px 8px;scrollbar-width:thin}
.tiles::-webkit-scrollbar{height:6px}
.tile{flex:0 0 118px;scroll-snap-align:start;position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 8px 10px;border-radius:16px;background:rgba(255,255,255,.7);border:1.5px solid var(--line-ink);cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s;user-select:none;text-align:center}
.tile:hover{transform:translateY(-3px);border-color:rgba(99,102,241,.35);box-shadow:0 12px 24px -14px rgba(30,41,90,.35)}
.tile.on{border-color:var(--a1);background:linear-gradient(180deg,rgba(99,102,241,.08),rgba(6,182,212,.06));box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.tile .sil{height:54px;display:flex;align-items:flex-end;justify-content:center}
.tile .sil span{display:block;border:2.5px solid #9aa4bd;background:#fff;transition:.2s}
.tile.on .sil span{border-color:var(--a1);background:rgba(99,102,241,.06)}
.tile .sil .phone{border-radius:7px}.tile .sil .tablet{border-radius:6px}.tile .sil .desktop{border-radius:3px;border-bottom-width:5px}
.tile .tn{font-size:12px;font-weight:600;line-height:1.25;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:30px}
.tile .ts{font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}
.tile .tck{position:absolute;top:7px;left:7px;width:18px;height:18px;border-radius:50%;background:var(--grad);color:#fff;font-size:10px;display:none;place-items:center}
.tile.on .tck{display:grid}
.tile .fav{position:absolute;top:5px;right:7px;font-size:13px;color:#cfd5e3;opacity:0;transition:.2s}
.tile:hover .fav,.tile .fav.on{opacity:1}.tile .fav.on{color:#f59e0b}
.tiles-nav{position:absolute;top:50%;translate:0 -50%;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line-ink2);box-shadow:0 6px 16px -6px rgba(30,41,90,.3);z-index:2;font-size:20px;line-height:1;color:var(--muted);display:grid;place-items:center}
.tiles-nav:hover{color:var(--a1)}
.tiles-nav.prev{left:-12px}.tiles-nav.next{right:-12px}
.tiles-empty{padding:30px;color:var(--dim);font-size:13px}

/* ============ MINI TOOLS ============ */
.mini-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:16px}
.mini-card{padding:30px}
.mini-card h3{font-size:22px;margin:14px 0 6px}
.ms-big{font-family:"Space Grotesk";font-size:clamp(46px,7vw,84px);font-weight:700;line-height:1;display:flex;align-items:baseline;gap:12px}
.ms-big span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.ms-big i{font-style:normal;color:var(--dim);font-size:.5em}
.ms-sub{color:var(--muted);font-size:14px;margin-top:8px}
.ms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
.ms-grid div{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.7);border:1px solid var(--line-ink)}
.ms-grid small{display:block;font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.05em}
.ms-grid b{font-size:15px;font-family:"Space Grotesk"}
.ms-actions{display:flex;gap:10px;flex-wrap:wrap}
.bookmarklet{display:inline-flex;align-items:center;gap:8px;margin:20px 0 6px;padding:14px 22px;border-radius:14px;background:var(--grad);color:#fff;font-weight:700;box-shadow:0 12px 28px -10px rgba(99,102,241,.7);cursor:grab;border:2px dashed rgba(255,255,255,.6)}
.bookmarklet:active{cursor:grabbing}
.bm-steps{margin:16px 0 0 18px;color:var(--muted);font-size:14px;display:flex;flex-direction:column;gap:6px}
.linkbtn{color:var(--a1);font-weight:600;text-decoration:underline}

/* ============ CHEAT SHEET ============ */
.lib-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding:10px;margin-bottom:14px}
.libc{position:relative;padding-right:56px}
.libc .ltest{position:absolute;right:10px;top:50%;translate:0 -50%;font-size:11px;font-weight:600;padding:5px 9px;border-radius:8px;background:rgba(99,102,241,.1);color:var(--a1);transition:.2s}
.libc .ltest:hover{background:var(--a1);color:#fff}

/* ============ FOOTER ============ */
footer{padding:0 0 30px;margin-top:40px;border-top:0;background:none;backdrop-filter:none}
.foot-cta{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:30px 34px;margin-bottom:50px;background:linear-gradient(120deg,rgba(99,102,241,.12),rgba(6,182,212,.1)),rgba(255,255,255,.6)}
.foot-cta h3{font-size:24px}.foot-cta p{color:var(--muted);margin-top:4px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:30px;padding:40px 0;border-top:1px solid var(--line-ink);border-bottom:1px solid var(--line-ink)}
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--text);margin-bottom:14px;font-family:Inter}
.foot-grid div>a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:.2s}
.foot-grid div>a:hover{color:var(--a1);translate:3px 0}
.foot-brand .logo{display:flex}
.foot-brand p{color:var(--muted);font-size:14px;margin:14px 0 18px;max-width:320px}
.socials{display:flex;gap:8px}
.socials a{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;border:1px solid var(--line-ink);color:var(--muted);font-weight:700;transition:.2s}
.foot-grid .socials a{display:grid;padding:0}
.socials a:hover{color:#fff;background:var(--a1);border-color:var(--a1);translate:0 -2px}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;color:var(--dim);font-size:13px}
.foot-bottom a{color:var(--muted)}.foot-bottom a:hover{color:var(--a1)}

/* ============ DEVICE PAGES ============ */
.dp-hero{padding:60px 0 20px}
.crumbs{font-size:13px;color:var(--dim);margin-bottom:18px}.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--a1)}
.dp-grid{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.dp-card{padding:28px}
.dp-card h2{font-size:22px;margin-bottom:14px}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec td{padding:12px 4px;border-bottom:1px solid var(--line-ink)}
.spec td:first-child{color:var(--muted)}.spec td:last-child{font-weight:600;text-align:right}
.dp-visual{padding:30px;display:grid;place-items:center;gap:16px;text-align:center}
.dp-visual .vd{border:6px solid #1c1f2a;background:linear-gradient(160deg,#eef0ff,#e0f7fb);box-shadow:0 30px 60px -24px rgba(30,41,90,.45);display:grid;place-items:center;color:var(--a1);font-family:"Space Grotesk";font-weight:700}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.dp-body p{color:var(--muted);margin-bottom:12px}
.dp-body h2{margin:30px 0 12px}

@media (max-width:1000px){.foot-grid{grid-template-columns:1fr 1fr 1fr}.foot-brand{grid-column:1/-1}.mini-grid,.dp-grid{grid-template-columns:1fr}}
@media (max-width:700px){
  .dock-right{margin-left:0;width:100%}.dock-search{max-width:none;flex-basis:100%}
  .tiles-nav{display:none}.tile{flex-basis:104px}
  .ms-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}.foot-cta{padding:24px}
  .custom-pop{right:auto;left:0}
  #ftabs{overflow-x:auto;max-width:100%}
  #ftabs button{white-space:nowrap}
  .brandbar{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .brandbar::-webkit-scrollbar{display:none}
  .brandbar button{white-space:nowrap;flex-shrink:0}
  .dock-presets{flex-wrap:nowrap;overflow-x:auto}
}

/* ============ APP CHECKER ============ */
.app-tabs-wrap{display:flex;justify-content:center;margin-bottom:20px}
.app-tabs{background:rgba(255,255,255,.6);padding:4px;border-radius:14px;flex-wrap:wrap;justify-content:center}
.app-tabs button{padding:10px 18px;font-size:14px}
.drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:34px 20px;text-align:center;cursor:pointer;border:2px dashed rgba(99,102,241,.35);transition:.2s}
.drop:hover,.drop.over{border-color:var(--a1);background:rgba(99,102,241,.06)}
.drop-ic{width:54px;height:54px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:24px;margin-bottom:6px;box-shadow:0 10px 24px -10px rgba(99,102,241,.7)}
.drop b{font-size:17px}.drop span{color:var(--muted);font-size:13px}
.ap-thumbs{display:flex;gap:10px;overflow-x:auto;padding:12px 2px}
.ap-thumbs:empty{display:none}
.thumb{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:6px 10px 6px 6px;border-radius:12px;background:rgba(255,255,255,.75);border:1.5px solid var(--line-ink);cursor:pointer;font-size:12px;position:relative}
.thumb.on{border-color:var(--a1);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.thumb img{width:34px;height:60px;object-fit:cover;border-radius:6px;background:#eee}
.thumb small{display:block;color:var(--dim)}
.thumb .x{color:var(--dim);padding:2px 4px}.thumb .x:hover{color:var(--bad)}
.ap-tools{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:12px;margin-bottom:14px}
.ap-devs,.nat-devs{display:flex;flex-wrap:wrap;gap:6px}
.chip.on{background:var(--text);color:#fff;border-color:var(--text)}
.ap-opts{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ap-stage{display:flex;flex-wrap:wrap;gap:34px;justify-content:center;align-items:flex-start;padding:30px 20px;min-height:300px;overflow-x:auto}
.apf-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;animation:pop .45s cubic-bezier(.2,.9,.3,1.2) both}
.apf{position:relative;overflow:hidden;background:#fff;box-shadow:0 0 0 8px #1c1f2a,0 0 0 9px #3a3e4f,0 30px 60px -24px rgba(30,41,90,.45)}
.apf.tablet{box-shadow:0 0 0 12px #1c1f2a,0 0 0 13px #3a3e4f,0 30px 60px -24px rgba(30,41,90,.45)}
.apf img{width:100%;height:100%;display:block}
.apf .sa{position:absolute;background:repeating-linear-gradient(135deg,rgba(220,38,38,.28) 0 6px,rgba(220,38,38,.12) 6px 12px);outline:1px dashed rgba(220,38,38,.7);outline-offset:-1px}
.apf .cut{position:absolute;left:50%;translate:-50% 0;background:#000}
.apf-meta{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;font-weight:600}
.apf-meta .lv-ok{color:var(--ok)}.apf-meta .lv-warn{color:var(--warn)}.apf-meta .lv-bad{color:var(--bad)}
.sa-legend{width:100%;text-align:center;font-size:12px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.sa-legend i{width:18px;height:12px;border-radius:3px;background:repeating-linear-gradient(135deg,rgba(220,38,38,.4) 0 4px,rgba(220,38,38,.15) 4px 8px);display:inline-block}
.ap-store{margin-top:14px;padding:22px}
.store-head{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.store-head h3{font-size:18px}.store-head p{color:var(--muted);font-size:13px;margin-top:4px}
.store-badge{padding:6px 14px;border-radius:999px;font-weight:700;font-size:13px}
.store-badge.ok{background:rgba(5,150,105,.12);color:var(--ok)}.store-badge.bad{background:rgba(220,38,38,.1);color:var(--bad)}
.store-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.store-grid>div{padding:16px;border-radius:14px;background:rgba(255,255,255,.65);border:1px solid var(--line-ink)}
.store-grid h4{font-size:14px;margin-bottom:10px;font-family:Inter}
.store-grid ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:13px}
.store-grid li{display:flex;gap:10px;align-items:flex-start}
.store-grid li span{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:700;flex-shrink:0;color:#fff;margin-top:1px}
.store-grid li.lv-ok span{background:var(--ok)}.store-grid li.lv-bad span{background:var(--bad)}.store-grid li.lv-warn span{background:var(--warn)}
.store-grid li.lv-bad{color:var(--bad)}
.nat-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:16px;margin-bottom:14px}
.nat-steps,.nat-form{padding:26px}
.nat-steps h3{font-size:20px;margin-bottom:12px}
.nat-steps ol{margin-left:18px;display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14px}
.nat-steps a{color:var(--a1);font-weight:600}
.nat-steps code{font-size:12px;background:rgba(15,23,42,.06);padding:1px 6px;border-radius:5px}
.nat-form{display:flex;flex-direction:column;gap:12px}
.lbl{font-size:13px;font-weight:600}
.nat-form input{background:#fff;border:1px solid var(--line-ink2);border-radius:12px;padding:12px 14px;font-size:14px;outline:0}
.nat-form input:focus{border-color:var(--a1);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.nat-row{display:flex;gap:10px;flex-wrap:wrap}
.nat-frame{border:0;border-radius:18px;background:#0f172a;max-width:100%}
.fw-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.fw{overflow:hidden;min-width:0}
.fw-top{display:flex;gap:14px;padding:20px;align-items:flex-start}
.fw-top h3{font-size:16px}.fw-top p{color:var(--muted);font-size:13px;margin-top:2px}
.fw .codebox{margin:0 14px 14px}
@media (max-width:1000px){.fw-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nat-grid{grid-template-columns:1fr}}
@media (max-width:640px){.fw-grid,.store-grid{grid-template-columns:1fr}.app-tabs button{padding:8px 10px;font-size:13px}.ap-stage{gap:24px;padding:20px 10px}}