:root{
  --bg:#00060D; --surface:#0B131C; --raised:#101823;
  --blue:#38B9F5; --blue-2:#38A6F2; --blue-3:#3DC7F9; --tag:#4DC0FF; --data:#289AFF;
  --text:#fff; --body:#DBDCDE; --muted:#8FA1B3; --line:rgba(56,185,245,.16);
  --grad:linear-gradient(180deg,#3DC7F9 0%,#38A6F2 100%);
  --ease:cubic-bezier(.22,1,.36,1);
  --gutter:clamp(20px,5vw,72px);
  --nav-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{font-family:'Lexend',system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--body);line-height:1.6;font-weight:300;overflow-x:hidden;-webkit-font-smoothing:antialiased}
button,input{font-family:inherit}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ol,ul{list-style:none}
.wrap{width:100%;max-width:1320px;margin-inline:auto;padding-inline:var(--gutter)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-60px;z-index:200;background:var(--blue);color:#00060D;padding:10px 16px;border-radius:8px;font-weight:500;transition:top .2s}
.skip:focus{top:16px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* scroll progress */
.progress{position:fixed;inset:0 0 auto 0;height:2px;z-index:120;pointer-events:none}
.progress span{display:block;height:100%;width:100%;background:var(--grad);transform:scaleX(0);transform-origin:0 50%}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:100;display:flex;align-items:center;justify-content:space-between;padding-inline:var(--gutter);transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.is-stuck{background:rgba(0,6,13,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-color:var(--line)}
.brand img{height:34px;width:auto}
.nav__links{display:flex;gap:36px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:400}
.nav__links a{position:relative;padding:8px 0;color:var(--body);transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:2px;height:1px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:0 50%;transition:transform .4s var(--ease)}
.nav__links a:hover{color:#fff}.nav__links a:hover::after{transform:scaleX(1)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 28px;border-radius:999px;background:var(--grad);color:#00060D;font-weight:500;font-size:15px;letter-spacing:.02em;border:0;cursor:pointer;position:relative;transition:transform .35s var(--ease),box-shadow .35s;box-shadow:0 0 0 rgba(56,185,245,0)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .35s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(56,185,245,.35)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn--sm{min-height:44px;padding:0 22px;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.btn--ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(56,185,245,.45)}
.btn--ghost:hover{background:rgba(56,185,245,.1);box-shadow:inset 0 0 0 1px var(--blue)}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--tag);font-weight:400;margin-bottom:28px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(56,185,245,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(56,185,245,0)}100%{box-shadow:0 0 0 0 rgba(56,185,245,0)}}
.display{font-weight:500;font-size:clamp(3.2rem,9.2vw,8.6rem);line-height:.98;letter-spacing:-.035em;color:#fff}
.display--md{font-size:clamp(2.6rem,7vw,6rem)}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.line__in{display:block}
.h2{font-weight:500;font-size:clamp(2.1rem,5.2vw,4.4rem);line-height:1.05;letter-spacing:-.03em;color:#fff}
.lede{font-size:clamp(1.05rem,1.5vw,1.35rem);color:var(--body);max-width:34em;line-height:1.55}
.tag{font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:var(--tag);font-weight:500}

/* shared bg bits */
.glow{position:absolute;border-radius:50%;filter:blur(110px);pointer-events:none}
.lanes{position:absolute;inset:0;background:repeating-linear-gradient(100deg,transparent 0 118px,rgba(56,185,245,.09) 118px 120px);-webkit-mask-image:linear-gradient(180deg,transparent,#000 35%,#000 75%,transparent);mask-image:linear-gradient(180deg,transparent,#000 35%,#000 75%,transparent)}
.grid{position:absolute;inset:0;background-image:linear-gradient(rgba(56,185,245,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,185,245,.06) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse at 70% 50%,#000,transparent 70%);mask-image:radial-gradient(ellipse at 70% 50%,#000,transparent 70%)}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 24px) 0 80px;overflow:hidden}
.hero__bg{position:absolute;inset:0}
.glow--a{width:60vw;height:60vw;right:-15vw;top:-10vw;background:rgba(18,104,190,.45)}
.glow--b{width:40vw;height:40vw;left:-12vw;bottom:-18vw;background:rgba(40,154,255,.22)}
.sweep{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.sweep path{fill:none;stroke:url(#none);stroke:rgba(56,185,245,.28);stroke-width:1.2;stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 3.2s .4s var(--ease) forwards}
.sweep path:nth-child(2){animation-delay:.6s}.sweep path:nth-child(3){animation-delay:.8s}
@keyframes draw{to{stroke-dashoffset:0}}
.hero__grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero__copy .lede{margin:34px 0 40px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px}
.scroll-cue{position:absolute;left:var(--gutter);bottom:28px;display:flex;align-items:center;gap:14px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.scroll-cue span{width:1px;height:42px;background:linear-gradient(var(--blue),transparent);transform-origin:0 0;animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* phone */
.hero__device{position:relative;display:flex;justify-content:center;perspective:1400px}
.phone{position:relative;width:min(320px,78vw);aspect-ratio:9/18.6;border-radius:44px;background:linear-gradient(160deg,#1a2431,#0a1119);padding:10px;box-shadow:0 0 0 1.5px rgba(255,255,255,.1),0 50px 120px rgba(0,0,0,.7),0 0 120px rgba(56,185,245,.18);transform:rotateY(-14deg) rotateX(4deg) rotateZ(3deg);transform-style:preserve-3d;will-change:transform}
.phone--flat{transform:none}
.phone__notch{position:absolute;top:18px;left:50%;width:84px;height:24px;border-radius:20px;background:#000;transform:translateX(-50%);z-index:2}
.phone__screen{height:100%;border-radius:36px;background:var(--bg);padding:52px 14px 14px;display:flex;flex-direction:column;gap:9px;overflow:hidden;position:relative}
.app-logo{display:flex;flex-direction:column;align-items:center;gap:2px;font-weight:500;color:#fff;font-size:13px;margin-bottom:4px}
.app-logo img{width:26px;height:auto}
.card{background:linear-gradient(160deg,#131D2A,var(--surface));border:1px solid rgba(56,185,245,.14);border-radius:16px;padding:10px 12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.card--big{padding:14px 12px}
.lab{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:#fff;font-weight:400}
.num{color:var(--data);font-weight:300;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.num--xl{font-size:42px}.num--md{font-size:22px}
.num small{font-size:9px;margin-left:2px;letter-spacing:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.card--splits{flex:1;align-items:stretch;justify-content:flex-start;padding:10px 12px;min-height:0}
.card--splits .lab{align-self:flex-start;margin-bottom:6px}
.splits{display:flex;flex-direction:column;gap:5px;overflow:hidden}
.splits li{display:grid;grid-template-columns:18px 1fr auto;align-items:center;font-size:11px;font-variant-numeric:tabular-nums;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:4px;animation:rowIn .5s var(--ease) both}
.splits li b{font-weight:400;color:#fff}
.splits li i{font-style:normal;color:var(--data);text-align:center;font-size:12px}
.splits li span{font-size:9px;color:var(--body)}
@keyframes rowIn{from{opacity:0;transform:translateY(8px)}}
.chip{position:absolute;padding:10px 16px;border-radius:999px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(16,24,35,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(56,185,245,.28);display:flex;align-items:center;gap:8px;white-space:nowrap}
.chip i{width:7px;height:7px;border-radius:50%;background:#3ddc97;box-shadow:0 0 10px #3ddc97}
.chip b{color:var(--blue);font-weight:500}
.chip--a{left:-2%;top:22%;animation:bob 6s ease-in-out infinite}
.chip--b{right:-2%;bottom:20%;animation:bob 7s -2s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-12px)}}

/* ticker */
.ticker{border-block:1px solid var(--line);background:var(--surface);overflow:hidden;padding:22px 0}
.ticker__track{display:flex;align-items:center;gap:48px;width:max-content;animation:marquee 38s linear infinite;font-size:clamp(1rem,2vw,1.5rem);letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:#fff;white-space:nowrap}
.ticker__track i{width:8px;height:8px;border-radius:50%;background:var(--blue);flex:none}
@keyframes marquee{to{transform:translateX(-50%)}}

/* TELEMETRY */
.tele{position:relative;height:380vh}
.tele__pin{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(ellipse at 75% 50%,rgba(18,80,150,.35),transparent 60%)}
.tele__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:center}
.steps{margin-top:44px;display:flex;flex-direction:column;gap:6px}
.steps li{display:flex;gap:20px;padding:18px 0 18px 20px;border-left:1px solid var(--line);opacity:.35;transition:opacity .5s,border-color .5s}
.steps li b{font-weight:400;font-size:13px;letter-spacing:.2em;color:var(--tag);padding-top:4px}
.steps li h3{color:#fff;font-weight:500;font-size:1.2rem;margin-bottom:4px}
.steps li p{font-size:.95rem;max-width:30em}
.steps li.is-on{opacity:1;border-color:var(--blue)}
.tele__device{position:relative;display:flex;justify-content:center;align-items:center}
.tele__device .phone{width:min(330px,70vw)}
.ring{position:absolute;width:min(560px,92vw);aspect-ratio:1;pointer-events:none}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:2}
.ring__bg{stroke:rgba(56,185,245,.12)}
.ring__fg{stroke:var(--blue);stroke-linecap:round;stroke-dasharray:1131;stroke-dashoffset:1131;filter:drop-shadow(0 0 8px rgba(56,185,245,.7))}

/* sections */
.sec-head{margin-bottom:clamp(40px,6vw,80px)}
.features{padding:clamp(90px,12vw,180px) 0}
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.tile{position:relative;padding:clamp(24px,3vw,40px);border-radius:28px;background:linear-gradient(160deg,#131D2A,var(--surface));border:1px solid var(--line);overflow:hidden;min-height:300px;display:flex;flex-direction:column;transition:border-color .4s,transform .5s var(--ease)}
.tile::before{content:"";position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,0%),rgba(56,185,245,.14),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.tile:hover{border-color:rgba(56,185,245,.5)}.tile:hover::before{opacity:1}
.tile h3{color:#fff;font-weight:500;font-size:1.5rem;margin:22px 0 10px;letter-spacing:-.01em}
.tile p{max-width:28em;font-size:1rem}
.tile--splits{grid-column:span 7}.tile--distance{grid-column:span 5}.tile--insights{grid-column:span 5}.tile--swim{grid-column:span 7}
.ico{width:52px;height:52px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tile--insights .ico rect{fill:none}
.mini-splits{margin-top:auto;padding-top:28px;display:flex;gap:10px;flex-wrap:wrap}
.mini-splits span{padding:10px 16px;border-radius:12px;background:rgba(56,185,245,.08);border:1px solid var(--line);color:var(--data);font-size:1.15rem;font-variant-numeric:tabular-nums}
.mini-splits .hl{background:var(--blue);color:#00060D;font-weight:500}
.odo{margin-top:auto;padding-top:24px;display:flex;align-items:baseline;gap:8px}
.odo b{font-size:clamp(3.2rem,6vw,5rem);font-weight:300;color:var(--data);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.odo small{color:var(--tag);font-size:1.3rem}
.bars{margin-top:auto;height:130px;display:flex;align-items:flex-end;gap:10px;padding-top:24px}
.bars i{flex:1;height:var(--h);border-radius:8px 8px 3px 3px;background:var(--grad);opacity:.85;transform-origin:50% 100%}
.tile--swim{background:linear-gradient(160deg,#131D2A,var(--surface)),var(--surface)}
.tile--swim::after{content:"";position:absolute;right:-60px;bottom:-60px;width:320px;height:320px;border-radius:50%;border:1px solid var(--line);box-shadow:0 0 0 40px rgba(56,185,245,.03),0 0 0 80px rgba(56,185,245,.02)}

/* WATER */
.water{position:relative;min-height:110vh;display:flex;align-items:flex-end;overflow:hidden;padding:clamp(80px,10vw,140px) 0}
.water__img{position:absolute;inset:-10% 0;will-change:transform}
.water__img img{width:100%;height:100%;object-fit:cover;object-position:78% 50%}
.water__veil{position:absolute;inset:0;background:linear-gradient(180deg,var(--bg) 0%,rgba(0,6,13,.35) 30%,rgba(0,6,13,.55) 65%,var(--bg) 100%),linear-gradient(90deg,rgba(0,6,13,.92) 0%,rgba(0,6,13,.35) 60%,transparent)}
.water__in{position:relative}
.stats{margin-top:clamp(40px,6vw,80px);display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stats div{padding:24px 0;border-top:1px solid rgba(56,185,245,.35)}
.stats b{display:block;font-size:clamp(2.2rem,5vw,4rem);font-weight:300;color:var(--data);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stats span{display:block;margin-top:10px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#fff}

/* HOW */
.how{padding:clamp(90px,12vw,180px) 0;background:var(--surface);border-top:1px solid var(--line)}
.lanes-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.lanes-list li{padding:40px 32px 48px 0;border-right:1px solid var(--line);padding-left:32px;position:relative}
.lanes-list li:first-child{padding-left:0}.lanes-list li:last-child{border-right:0}
.lanes-list .n{display:block;font-size:13px;letter-spacing:.2em;color:var(--tag);margin-bottom:60px}
.lanes-list h3{font-size:clamp(2rem,4vw,3.4rem);font-weight:500;color:#fff;letter-spacing:-.03em;margin-bottom:14px;transition:color .4s}
.lanes-list li:hover h3{color:var(--blue)}
.lanes-list p{max-width:22em}

/* CTA */
.cta{position:relative;overflow:hidden;padding:clamp(100px,14vw,200px) 0;text-align:center}
.cta__bg{position:absolute;inset:0}
.cta__bg .glow--a{left:50%;top:50%;width:70vw;height:50vw;right:auto;transform:translate(-50%,-50%);background:rgba(18,104,190,.4)}
.cta__in{position:relative;display:flex;flex-direction:column;align-items:center;gap:26px}
.cta__icon{width:88px;height:88px;border-radius:22px;box-shadow:0 20px 60px rgba(56,185,245,.3)}
.cta .lede{margin-top:-6px}
.signup{display:flex;gap:10px;width:min(560px,100%);padding:6px;border-radius:999px;background:rgba(16,24,35,.8);border:1px solid rgba(56,185,245,.3);backdrop-filter:blur(10px);transition:border-color .3s,box-shadow .3s}
.signup:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(56,185,245,.15)}
.signup input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#fff;font:inherit;font-size:16px;padding:0 20px}
.signup input::placeholder{color:#6f8296}
.signup__msg{min-height:1.5em;font-size:.95rem;color:var(--tag)}
.signup__msg.is-err{color:#ff8a8a}

/* footer */
.foot{border-top:1px solid var(--line);padding:36px 0;background:var(--bg)}
.foot__in{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--muted)}
.foot img{height:30px;width:auto}
.foot a:hover{color:#fff}

/* reveal base (JS enables) */
.js .reveal{opacity:0;transform:translateY(40px)}

/* responsive */
@media (max-width:980px){
  .nav__links{display:none}
  .hero__grid{grid-template-columns:1fr}
  .hero{align-items:flex-start;padding-bottom:120px}
  .hero__device{margin-top:24px}
  .phone{transform:rotateY(-8deg) rotateZ(2deg)}
  .chip--a{left:2%}.chip--b{right:2%}
  .tele{height:340vh}
  .tele__grid{grid-template-columns:1fr;gap:12px}
  .tele__copy .steps{margin-top:20px}
  .steps li{padding:10px 0 10px 16px}
  .steps li p{display:none}
  .steps li.is-on p{display:block}
  .tele__device .phone{width:min(240px,56vw)}
  .ring{width:min(400px,90vw)}
  .bento{grid-template-columns:1fr}
  .tile--splits,.tile--distance,.tile--insights,.tile--swim{grid-column:auto}
  .stats{grid-template-columns:1fr}
  .lanes-list{grid-template-columns:1fr}
  .lanes-list li{padding:32px 0;border-right:0;border-bottom:1px solid var(--line)}
  .lanes-list li:first-child{padding-left:0}
  .lanes-list .n{margin-bottom:24px}
  .water__img img{object-position:80% 50%}
}
@media (max-width:520px){
  .signup{flex-direction:column;border-radius:24px;padding:8px}
  .signup input{min-height:48px}
  .signup .btn{justify-content:center}
  .scroll-cue{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .sweep path{stroke-dashoffset:0}
  .ticker__track{animation:none}
}