:root{--bg:#ffffff;--bg2:#f6f7fb;--ink:#0b1020;--ink2:#4a5068;--line:#e6e8f0;--brand:#0B57E3;--brand2:#06b6d4;--card:#ffffff;--navy:#0a0f2c;--radius:20px;--shadow:0 10px 30px rgba(16,24,64,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.brand img{width:44px;height:44px}
.brand .bt{display:flex;flex-direction:column;line-height:1}
.brand .bn{font-size:22px;font-weight:800;letter-spacing:-.03em}.brand .b1{color:#0B57E3}.brand .b2{color:#0A1F4D}
.brand small{font-size:9.5px;font-weight:700;letter-spacing:.22em;color:#0A1F4D;margin-top:3px}
.about-logo{width:220px;height:auto;border-radius:20px;border:1px solid var(--line);background:#fff;margin:4px 0 18px}
.menu{display:flex;gap:28px;font-size:15px;font-weight:500;color:var(--ink2)}
.menu a:hover{color:var(--ink)}
.nav-cta{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 20px;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 24px rgba(11,87,227,.35)}
.btn-ghost{border:1px solid var(--line);background:#fff}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer}
/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,rgba(6,182,212,.35),transparent 60%),radial-gradient(900px 500px at 0% 0%,rgba(11,87,227,.45),transparent 60%),var(--navy);color:#fff;padding:96px 0 110px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:600;letter-spacing:.02em}
.hero h1{font-size:clamp(38px,5.4vw,64px);line-height:1.05;letter-spacing:-.035em;margin:18px 0 18px;font-weight:800}
.hero h1 span{background:linear-gradient(90deg,#a5b4fc,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:19px;color:rgba(255,255,255,.78);max-width:560px;margin:0 0 30px}
.stores{display:flex;flex-wrap:wrap;gap:12px}
.store{display:inline-flex;align-items:center;gap:10px;background:#000;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:10px 18px 10px 14px;transition:transform .15s,background .15s}
.store:hover{transform:translateY(-2px);background:#111}
.store svg{width:26px;height:26px;flex:none}
.store small{display:block;font-size:11px;opacity:.75;line-height:1.1}
.store b{display:block;font-size:17px;line-height:1.15;font-weight:600}
.hero-stats{display:flex;gap:34px;margin-top:38px}
.hero-stats div b{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.65)}
.icon-cloud{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;transform:rotate(-8deg)}
.icon-cloud img{width:100%;aspect-ratio:1;border-radius:22%;box-shadow:0 18px 40px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12)}
.icon-cloud img:nth-child(odd){transform:translateY(22px)}
/* sections */
section{padding:96px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head .kicker{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.sec-head h2{font-size:clamp(30px,3.6vw,44px);letter-spacing:-.03em;line-height:1.1;margin:10px 0 14px}
.sec-head p{color:var(--ink2);font-size:18px;margin:0}
.alt{background:var(--bg2)}
/* filters */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:34px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink2);cursor:pointer}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
/* app cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-top{display:flex;gap:16px;align-items:center}
.card-top img{width:72px;height:72px;border-radius:22%;border:1px solid var(--line);flex:none}
.card h3{margin:0;font-size:18px;letter-spacing:-.01em}
.card .sub{font-size:14px;color:var(--ink2)}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);background:rgba(11,87,227,.08);padding:3px 9px;border-radius:999px;margin-top:4px}
.card p{margin:0;color:var(--ink2);font-size:15px;flex:1}
.card .links{display:flex;gap:8px;flex-wrap:wrap}
.mini{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:8px 13px;border-radius:999px;border:1px solid var(--line)}
.mini:hover{border-color:var(--ink)}
.mini svg{width:15px;height:15px}
.mini.soon{color:#9aa0b5;border-style:dashed}
/* features */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.feat .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(11,87,227,.12),rgba(6,182,212,.12));font-size:22px;margin-bottom:14px}
.feat h3{margin:0 0 6px;font-size:17px}.feat p{margin:0;color:var(--ink2);font-size:15px}
/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc .feat{padding:30px}
/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about h2{font-size:clamp(28px,3.2vw,40px);letter-spacing:-.03em;line-height:1.15;margin:8px 0 16px}
.about p{color:var(--ink2);font-size:17px}
.about-card{background:var(--navy);color:#fff;border-radius:28px;padding:36px;background-image:radial-gradient(500px 300px at 100% 0,rgba(6,182,212,.35),transparent 60%)}
.about-card ul{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.about-card li{display:flex;gap:12px;align-items:flex-start}
.about-card li b{display:block}.about-card li span{color:rgba(255,255,255,.7);font-size:15px}
.check{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(103,232,249,.18);display:grid;place-items:center;color:#67e8f9;font-weight:800}
/* cta */
.cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:32px;padding:56px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.cta h2{margin:0 0 10px;font-size:clamp(28px,3vw,38px);letter-spacing:-.03em;line-height:1.15}
.cta p{margin:0;color:rgba(255,255,255,.85);font-size:17px}
.cta .btn{background:#fff;color:var(--ink)}
/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px}
.contact .info a{color:var(--brand);font-weight:600}
form.cf{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:14px}
.cf label{font-size:14px;font-weight:600}
.cf input,.cf textarea,.cf select{width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fbfbfe}
.cf textarea{min-height:120px;resize:vertical}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.socials a{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;background:#fff}
.socials a:hover{border-color:var(--ink)}
.socials svg{width:18px;height:18px}
/* footer */
footer{background:var(--navy);color:rgba(255,255,255,.75);padding:60px 0 30px;font-size:15px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin:0 0 14px;font-size:15px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer a:hover{color:#fff}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:12px}.fbrand img{width:32px}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:14px}
/* legal pages */
.doc{max-width:820px;margin:0 auto;padding:64px 20px 90px}
.doc h1{font-size:42px;letter-spacing:-.03em;margin:0 0 6px}.doc .upd{color:var(--ink2);margin:0 0 30px}
.doc h2{font-size:22px;margin:34px 0 10px;letter-spacing:-.01em}.doc p,.doc li{color:#2c3248;font-size:16.5px}
.page-hero{background:var(--navy);color:#fff;padding:70px 0;background-image:radial-gradient(700px 300px at 90% 0,rgba(6,182,212,.35),transparent 60%)}
.page-hero h1{margin:0;font-size:clamp(34px,4.5vw,52px);letter-spacing:-.03em}
.page-hero p{color:rgba(255,255,255,.75);font-size:18px;margin:10px 0 0;max-width:640px}
@media (max-width:960px){.hero .wrap,.about,.contact,.cta{grid-template-columns:1fr}.grid,.svc{grid-template-columns:repeat(2,1fr)}.feats{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}.icon-cloud{max-width:420px;margin:10px auto 0}}
@media (max-width:720px){.menu,.nav-cta .btn-ghost{display:none}.burger{display:block}.menu.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--line);gap:14px}.grid,.svc,.feats{grid-template-columns:1fr}.hero{padding:64px 0 80px}.hero-stats{gap:22px}section{padding:70px 0}.cta{padding:34px}.fgrid{grid-template-columns:1fr}}
/* self-hosted Inter (no Google Fonts requests) */
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(fonts/inter-400.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(fonts/inter-500.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(fonts/inter-600.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(fonts/inter-700.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:800;font-display:swap;src:url(fonts/inter-800.woff2) format("woff2")}
/* official store badges */
.badges{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.badges a{display:inline-flex;transition:transform .15s}.badges a:hover{transform:translateY(-2px)}
.badges .b-apple{height:52px;width:auto}
.badges .b-play{height:76px;width:auto;margin:-12px -10px}
/* price badge on cards */
.price{display:inline-block;margin-left:6px;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#15803d;background:rgba(21,128,61,.1);padding:3px 9px;border-radius:999px}
/* offers */
.offers{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.free-box,.code-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.free-box h3,.code-box h3{margin:0 0 6px;font-size:22px;letter-spacing:-.01em}
.free-box>p,.code-box>p{margin:0 0 18px;color:var(--ink2)}
.free-list{display:grid;gap:12px}
.free-item{display:flex;align-items:center;gap:14px;padding:10px;border-radius:16px;border:1px solid var(--line)}
.free-item:hover{border-color:var(--ink)}
.free-item img{width:52px;height:52px;border-radius:22%;flex:none;border:1px solid var(--line)}
.free-item b{display:block;font-size:16px}.free-item span{font-size:14px;color:var(--ink2)}
.code-box{background:var(--navy);color:#fff;border:0;background-image:radial-gradient(500px 300px at 100% 0,rgba(6,182,212,.35),transparent 60%)}
.code-box>p{color:rgba(255,255,255,.75)}
.redeem{display:grid;gap:12px;margin-bottom:18px}
.redeem a{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px 18px;font-weight:600}
.redeem a:hover{background:rgba(255,255,255,.14)}
.redeem a span{display:flex;align-items:center;gap:10px}.redeem svg{width:22px;height:22px}
.fine{font-size:13px;color:rgba(255,255,255,.6);margin:0}
.tm{font-size:12.5px;color:rgba(255,255,255,.5);margin:14px 0 0;line-height:1.5}
/* support page */
.doc .faq{border:1px solid var(--line);border-radius:16px;padding:6px 20px;margin:12px 0;background:#fff}
.doc details summary{cursor:pointer;font-weight:700;padding:12px 0;font-size:17px}
.doc .tldr{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:16px 20px}
@media (max-width:960px){.offers{grid-template-columns:1fr}}
/* ---------- 3D + motion ---------- */
.hero{background:radial-gradient(1200px 600px at calc(80% + var(--gx,0px)) calc(-10% + var(--gy,0px)),rgba(6,182,212,.35),transparent 60%),radial-gradient(900px 500px at calc(0% - var(--gx,0px)) calc(0% - var(--gy,0px)),rgba(11,87,227,.45),transparent 60%),var(--navy)}
.hero3d{position:relative;aspect-ratio:1/1;width:100%;max-width:560px;justify-self:center}
.hero3d canvas{position:absolute;inset:-12%;width:124%!important;height:124%!important;display:block}
.hero3d .icon-cloud{transition:opacity .6s}
.hero3d.is3d .icon-cloud{opacity:0;pointer-events:none;position:absolute;inset:0}
.rv{opacity:0;transform:translateY(28px) scale(.98);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0ms)}
.rv.in{opacity:1;transform:none}
.tilt{transform-style:preserve-3d;will-change:transform;transition:transform .25s ease,box-shadow .25s ease;position:relative}
.tilt.on{transition:transform .06s linear,box-shadow .25s ease;box-shadow:0 24px 50px rgba(16,24,64,.16)}
.tilt::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .25s;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.55),transparent 45%)}
.tilt.on::after{opacity:1}
.tilt .card-top img{transform:translateZ(30px)}
.cta{background-size:200% 200%;animation:ctaShift 10s ease infinite}
@keyframes ctaShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.eyebrow{animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.cta,.eyebrow{animation:none}.tilt{transform:none!important}}
@media (max-width:960px){.hero3d{max-width:420px}}
@media (max-width:720px){.hero-stats{gap:18px;flex-wrap:wrap}.hero-stats div b{font-size:22px}}
/* ---------- web interface guidelines pass ---------- */
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-weight:600;transition:top .15s}
.skip:focus{top:12px}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--brand2);outline-offset:3px;border-radius:8px}
:where(a,button,.chip,summary){touch-action:manipulation}
[id]{scroll-margin-top:84px}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
.hero-stats b,.price,.tag{font-variant-numeric:tabular-nums}
form.cf select{background-color:#fff;color:var(--ink)}
.brand img{width:36px;height:36px}
.icon-cloud img{height:auto}
.h3d-pause{position:absolute;right:6%;bottom:6%;z-index:2;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(10,15,44,.55);color:#fff;font-size:12px;cursor:pointer;backdrop-filter:blur(6px);transition:background-color .15s,transform .15s}
.h3d-pause:hover{background:rgba(255,255,255,.18);transform:scale(1.06)}
@media (prefers-reduced-motion:reduce){.skip{transition:none}}