:root{
  --bg:#060c1b;--navy:#091328;--navy2:#0c1a36;--line:rgba(255,255,255,.08);
  --text:#f5f8ff;--muted:#9aa6bf;--dim:#6b7791;
  --cyan:#26dbf7;--cyan2:#0fb4d6;--cold1:#7ff0ff;--cold2:#2a8cff;--hot1:#ffb347;--hot2:#ff5a36;
  --r:28px;--max:1180px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;color:#000;padding:8px 12px;border-radius:8px}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(6,12,27,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:17px}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-links .hide-sm{display:none}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--text);color:#06101f;font-weight:600;font-size:13px;padding:7px 14px;border-radius:999px;transition:transform .2s,background .2s}
.pill:hover{background:#fff;transform:translateY(-1px)}
@media(min-width:760px){.nav-links .hide-sm{display:inline}}

/* hero */
.hero{position:relative;padding:104px 0 40px;text-align:center;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-20% -40% auto;height:900px;z-index:-2;
  background:radial-gradient(50% 45% at 50% 40%,rgba(38,219,247,.18),transparent 70%),radial-gradient(40% 35% at 15% 70%,rgba(42,140,255,.12),transparent 70%),radial-gradient(40% 35% at 85% 70%,rgba(255,90,54,.10),transparent 70%)}
.app-icon{width:84px;height:84px;margin:0 auto 22px;border-radius:20px;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 18px 50px -10px rgba(38,219,247,.45)}
.eyebrow{font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);font-weight:600;margin-bottom:14px}
h1{font-size:clamp(44px,13.2vw,104px);line-height:.98;letter-spacing:-.045em;font-weight:800}
h1 span{display:inline-block}
.g-cyan{background:linear-gradient(180deg,#fff 10%,var(--cyan) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
.g-cold{background:linear-gradient(120deg,var(--cold1),var(--cold2));-webkit-background-clip:text;background-clip:text;color:transparent}
.g-hot{background:linear-gradient(120deg,var(--hot1),var(--hot2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:600px;margin:22px auto 0;color:var(--muted);font-size:clamp(17px,4.4vw,21px);line-height:1.45}
.lede b{color:var(--text);font-weight:600}
.cta-row{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:30px}
.badge img{height:54px;width:auto}
.badge{display:inline-block;border-radius:10px;transition:transform .25s ease,box-shadow .25s ease}
.badge:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(38,219,247,.5)}
.price{font-size:13.5px;color:var(--dim);letter-spacing:.01em}
.price b{color:var(--text);font-weight:600}

/* stage + ring */
.stage{position:relative;margin:56px auto 0;height:clamp(520px,150vw,700px);max-width:980px}
.ring{position:absolute;left:50%;top:46%;width:min(118vw,760px);aspect-ratio:1;transform:translate(-50%,-50%);z-index:-1;pointer-events:none}
.ring svg{width:100%;height:100%;overflow:visible}
.ring .track{stroke:rgba(38,219,247,.08)}
.ring .arc{stroke:url(#rg);stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;filter:drop-shadow(0 0 14px rgba(38,219,247,.7));transition:stroke-dashoffset 2.6s cubic-bezier(.2,.7,.1,1) .3s}
.ring.on .arc{stroke-dashoffset:.18}
.ring::after{content:"";position:absolute;inset:18%;border-radius:50%;background:radial-gradient(circle,rgba(38,219,247,.16),transparent 65%);animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}

/* phone frame */
.phone{position:relative;width:var(--w,250px);aspect-ratio:1320/2868;border-radius:calc(var(--w,250px)*.16);padding:calc(var(--w,250px)*.032);
  background:linear-gradient(145deg,#3a4255,#11151f 40%,#2a3040 70%,#0c0f16);
  box-shadow:0 0 0 1px rgba(255,255,255,.10) inset,0 40px 80px -20px rgba(0,0,0,.8),0 0 0 1px rgba(0,0,0,.6)}
.phone::before{content:"";position:absolute;right:-2px;top:28%;width:3px;height:12%;border-radius:2px;background:#2a3040}
.phone::after{content:"";position:absolute;left:-2px;top:22%;width:3px;height:7%;border-radius:2px;background:#2a3040;box-shadow:0 calc(var(--w,250px)*.18) 0 #2a3040}
.phone .screen{width:100%;height:100%;border-radius:calc(var(--w,250px)*.13);overflow:hidden;background:#000;position:relative}
.phone .screen img{width:100%;height:100%;object-fit:cover}
.phone .screen::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 1.5px rgba(0,0,0,.9) inset;background:linear-gradient(115deg,rgba(255,255,255,.07),transparent 35%)}
.stage .phone{position:absolute;left:50%;top:0}
.stage .p-c{--w:min(62vw,290px);transform:translateX(-50%);z-index:3}
.stage .p-l,.stage .p-r{--w:min(50vw,250px);top:44px;z-index:2;filter:brightness(.72)}
.stage .p-l{transform:translateX(-118%) rotate(-6deg)}
.stage .p-r{transform:translateX(18%) rotate(6deg)}
@media(min-width:760px){.stage .p-l{transform:translateX(-142%) rotate(-5deg)}.stage .p-r{transform:translateX(42%) rotate(5deg)}.stage .p-l,.stage .p-r{filter:brightness(.85)}}

/* chips */
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:8px auto 0;max-width:700px}
.chip{font-size:13px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);padding:7px 13px;border-radius:999px}
.chip i{font-style:normal;color:var(--cyan);margin-right:6px}

/* sections */
section{position:relative;overflow-x:clip}
html,body{overflow-x:clip}
main{overflow-x:clip}
.section{padding:96px 0}
.kicker{font-size:13px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;margin-bottom:14px}
h2{font-size:clamp(36px,9vw,64px);line-height:1.02;letter-spacing:-.04em;font-weight:800}
h3{font-size:22px;letter-spacing:-.02em;font-weight:700}
.sub{color:var(--muted);font-size:clamp(17px,4.2vw,20px);max-width:520px;margin-top:18px}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}

.five{padding:72px 0 24px}
.tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:34px}
.tab{border:1px solid var(--line);border-radius:18px;padding:16px 6px;text-align:center;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));font-weight:600;font-size:14px}
.tab small{display:block;font-weight:500;color:var(--dim);font-size:11.5px;margin-top:3px}
.tab .dot{width:10px;height:10px;border-radius:50%;margin:0 auto 10px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.tab.cold .dot{background:var(--cold1);box-shadow:0 0 12px var(--cold2)}
.tab.hot .dot{background:var(--hot1);box-shadow:0 0 12px var(--hot2)}
@media(max-width:420px){.tab small{display:none}.tab{font-size:12.5px;padding:14px 2px}}

.feature{display:grid;gap:44px;align-items:center}
.feature .copy{max-width:520px}
.feature .media{display:flex;justify-content:center;position:relative}
.feature .media .phone{--w:min(66vw,300px)}
.feature .glow{position:absolute;inset:-10% -20%;z-index:-1;filter:blur(30px);opacity:.9}
.glow.cyan{background:radial-gradient(45% 45% at 50% 50%,rgba(38,219,247,.28),transparent 70%)}
.glow.cold{background:radial-gradient(45% 45% at 50% 50%,rgba(42,140,255,.32),transparent 70%)}
.glow.hot{background:radial-gradient(45% 45% at 50% 50%,rgba(255,110,54,.30),transparent 70%)}
.list{list-style:none;margin-top:26px;display:grid;gap:12px}
.list li{display:flex;gap:12px;align-items:flex-start;color:#d5dcec;font-size:16.5px}
.list li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;border:2px solid var(--accent,var(--cyan));box-shadow:0 0 10px -2px var(--accent,var(--cyan))}
.note{margin-top:22px;font-size:13.5px;color:var(--dim);border-left:2px solid var(--accent,var(--cyan));padding-left:12px}
.f-cold{--accent:#5fd6ff}.f-cold .kicker{color:#7ff0ff}
.f-hot{--accent:#ff8a3d}.f-hot .kicker{color:#ffa14a}
.f-cyan .kicker{color:var(--cyan)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);max-width:var(--max);margin:0 auto}
@media(min-width:900px){
  .feature{grid-template-columns:1fr 1fr;gap:80px}
  .feature.flip .media{order:-1}
  .feature .media .phone{--w:310px}
}

/* cold/hot split band */
.split{display:grid;gap:16px;margin-top:40px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));position:relative;overflow:hidden}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr}}

/* watch */
.watch{border-radius:36px;padding:56px 24px;text-align:center;overflow:hidden;position:relative;border:1px solid var(--line);
  background:radial-gradient(80% 60% at 50% 0%,rgba(38,219,247,.14),transparent 70%),linear-gradient(180deg,#0b1730,#070e1f)}
.mini-rings{display:flex;justify-content:center;gap:clamp(14px,5vw,40px);margin:36px 0 8px}
.mr{width:clamp(84px,24vw,140px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:clamp(14px,3.8vw,18px);position:relative}
.mr::before{content:"";position:absolute;inset:0;border-radius:50%;padding:4px;background:conic-gradient(from 210deg,var(--a),var(--b),transparent 78%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;filter:drop-shadow(0 0 10px var(--a))}
.mr.c1{--a:#26dbf7;--b:#0fb4d6}.mr.c2{--a:#7ff0ff;--b:#2a8cff}.mr.c3{--a:#ffb347;--b:#ff5a36}

/* gallery */
.gallery{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:40px 22px 24px;margin:0 -22px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.gallery::-webkit-scrollbar{display:none}
.gallery figure{scroll-snap-align:center;flex:none;text-align:center}
.gallery .phone{--w:min(58vw,240px)}
.gallery figcaption{margin-top:14px;font-size:14px;color:var(--muted);font-weight:600}
@media(min-width:1100px){.gallery{justify-content:center;overflow:visible}}

/* discipline */
.discipline{padding:120px 0;text-align:center;overflow:hidden}
.discipline h2{font-size:clamp(40px,11vw,96px)}
.trust{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:760px;margin:44px auto 0}
.trust div{border:1px solid var(--line);border-radius:18px;padding:18px 10px;background:rgba(255,255,255,.025)}
.trust b{display:block;font-size:17px}
.trust span{font-size:13px;color:var(--dim)}
@media(min-width:760px){.trust{grid-template-columns:repeat(4,1fr)}}

/* final cta */
.final{padding:40px 0 110px}
.final .box{border-radius:40px;padding:64px 24px;text-align:center;position:relative;overflow:hidden;border:1px solid rgba(38,219,247,.18);
  background:radial-gradient(60% 80% at 50% 120%,rgba(38,219,247,.25),transparent 70%),radial-gradient(40% 60% at 0% 100%,rgba(42,140,255,.18),transparent 70%),radial-gradient(40% 60% at 100% 100%,rgba(255,90,54,.16),transparent 70%),#081227}
.final .app-icon{width:96px;height:96px;border-radius:22px}

/* footer */
footer{border-top:1px solid var(--line);padding:34px 0 48px;color:var(--dim);font-size:13.5px}
footer .wrap{display:flex;flex-direction:column;gap:14px}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer nav a{color:var(--muted)}footer nav a:hover{color:var(--text)}
@media(min-width:760px){footer .wrap{flex-direction:row;justify-content:space-between;align-items:center}}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.1,1),transform .9s cubic-bezier(.2,.7,.1,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}
.no-js .rv{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.ring::after{animation:none}.ring .arc{transition:none}html{scroll-behavior:auto}}

/* prose pages */
.page{padding:110px 0 60px}
.prose{max-width:720px}
.prose h1{font-size:clamp(40px,10vw,64px);margin-bottom:10px}
.prose .updated{color:var(--dim);font-size:14px;margin-bottom:30px}
.prose h2{font-size:22px;letter-spacing:-.02em;margin:34px 0 10px}
.prose p{color:#c9d2e4;margin-bottom:14px}
.prose a{color:var(--cyan)}
.contact-card{margin:30px 0;border:1px solid rgba(38,219,247,.22);border-radius:24px;padding:28px;background:radial-gradient(80% 120% at 0% 0%,rgba(38,219,247,.12),transparent 60%),#0a152c}
.contact-card .mail{display:inline-flex;margin-top:14px;font-size:clamp(18px,5vw,22px);font-weight:700;color:var(--text);word-break:break-all}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;background:var(--cyan);color:#04121f;font-weight:700;padding:13px 22px;border-radius:999px;font-size:15px}
.btn:hover{filter:brightness(1.08)}
.prose a.btn{color:#04121f}.prose a.mail{color:var(--text)}