@property --n{syntax:"<integer>";initial-value:5;inherits:false}
:root{--bg:#000;--fg:#f5f5f5;--muted:#a3a3a3;--line:#262626;--card:#0d0d0d;--mint:#5eeac0;--teal:#0f6e56;--btn-bg:#5eeac0;--btn-fg:#04120d;--ease:cubic-bezier(.2,.7,.1,1);color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem}
.wrap.wide{max-width:72rem}
a{color:inherit;text-underline-offset:.2em}
a:focus-visible,summary:focus-visible,.btn:focus-visible{outline:3px solid var(--mint);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem 1rem;z-index:30}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(0,0,0,.6);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;text-decoration:none;font-size:1.2rem}
nav{display:flex;gap:1rem;flex-wrap:wrap;font-size:.95rem}
nav a{text-decoration:none;color:var(--muted);transition:color .2s}nav a:hover,nav a[aria-current]{color:var(--fg)}
.scroll-bar{position:fixed;left:0;top:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--teal),var(--mint));z-index:40}

/* type */
h1{font-size:clamp(2.2rem,7vw,4.2rem);line-height:1.05;margin:0 0 1.2rem;letter-spacing:-.035em}
h2{font-size:clamp(1.6rem,4.5vw,2.4rem);line-height:1.15;margin:0 0 .75rem;letter-spacing:-.025em}
h3{font-size:1.1rem;margin:1.25rem 0 .25rem}
.eyebrow{margin:0 0 .75rem;color:var(--mint);text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:800}
.lead{font-size:1.15rem;color:var(--muted);max-width:34rem}
.muted{color:var(--muted);font-size:.9rem}
.grad{background:linear-gradient(100deg,#fff 10%,var(--mint) 55%,#9af5dc 90%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}
.hero h1 .grad{display:block}
@keyframes shine{to{background-position:200% center}}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:.55rem;background:var(--btn-bg);color:var(--btn-fg);padding:.85rem 1.5rem;border-radius:999px;font-weight:800;text-decoration:none;margin:.25rem .35rem .25rem 0;min-height:48px;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 40px -8px rgba(94,234,192,.6)}
.btn:active{transform:translateY(0) scale(.98)}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-120%);animation:sheen 3.6s ease-in-out infinite}
@keyframes sheen{0%,55%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid #333}
.btn.ghost::after{display:none}
.btn.ghost:hover{border-color:var(--mint);box-shadow:none}
.btn svg{width:20px;height:20px;flex:none}

/* hero */
.hero-stage{position:relative;overflow:hidden;isolation:isolate}
.aurora{position:absolute;inset:-20% -10% auto;height:120%;z-index:-1;filter:blur(70px);opacity:.75;pointer-events:none}
.aurora i{position:absolute;border-radius:50%;mix-blend-mode:screen}
.aurora i:nth-child(1){width:46vmax;height:46vmax;left:-8%;top:-10%;background:radial-gradient(circle,#0f6e56,transparent 65%);animation:drift1 16s ease-in-out infinite alternate}
.aurora i:nth-child(2){width:38vmax;height:38vmax;right:-6%;top:6%;background:radial-gradient(circle,#2fbf97,transparent 65%);opacity:.55;animation:drift2 19s ease-in-out infinite alternate}
.aurora i:nth-child(3){width:30vmax;height:30vmax;left:34%;top:38%;background:radial-gradient(circle,#124d6b,transparent 65%);opacity:.6;animation:drift3 22s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(18vmax,10vmax) scale(1.2)}}
@keyframes drift2{to{transform:translate(-14vmax,14vmax) scale(.85)}}
@keyframes drift3{to{transform:translate(-10vmax,-12vmax) scale(1.25)}}
.grain{position:absolute;inset:0;z-index:-1;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:26px 26px;mask-image:radial-gradient(ellipse at 50% 30%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 20%,transparent 75%)}
.hero{display:grid;gap:2.5rem;align-items:center;padding-block:3.5rem 4rem;grid-template-columns:1fr}
@media(min-width:60rem){.hero{grid-template-columns:1.05fr .95fr;padding-block:5rem 6rem}}
.hero-cta{display:flex;flex-wrap:wrap;gap:.25rem;margin-top:1.5rem}
.hero-note{margin:.9rem 0 0;color:var(--muted);font-size:.88rem}
.hero-note b{color:var(--fg)}
.word{display:inline-block;opacity:0;transform:translateY(.6em) rotateX(-40deg);filter:blur(8px);animation:wordin .9s var(--ease) forwards;animation-delay:calc(var(--i)*70ms + 150ms)}
@keyframes wordin{to{opacity:1;transform:none;filter:none}}
.fade-up{opacity:0;transform:translateY(18px);animation:fadeup .9s var(--ease) forwards;animation-delay:var(--d,0ms)}
@keyframes fadeup{to{opacity:1;transform:none}}

/* phone */
.phone-wrap{position:relative;display:grid;place-items:center;perspective:1200px;padding:1rem 0}
.phone-wrap::before{content:"";position:absolute;width:70%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(94,234,192,.35),transparent 65%);filter:blur(40px);animation:pulse 5s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.2);opacity:.7}}
.phone{position:relative;width:min(72vw,300px);aspect-ratio:1224/2620;border-radius:2.6rem;padding:.55rem;background:linear-gradient(145deg,#3a3a3a,#0c0c0c 45%,#2a2a2a);box-shadow:0 0 0 1px #444 inset,0 50px 100px -20px rgba(0,0,0,.9),0 0 80px -10px rgba(94,234,192,.25);transform-style:preserve-3d;transform:rotateY(var(--ry,-12deg)) rotateX(var(--rx,6deg));transition:transform .25s ease-out;animation:floaty 7s ease-in-out infinite}
@keyframes floaty{50%{translate:0 -14px}}
.phone img{display:block;width:100%;height:100%;object-fit:cover;border-radius:2.1rem;background:#000}
.phone::after{content:"";position:absolute;inset:.55rem;border-radius:2.1rem;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.1) 48%,transparent 60%);background-size:250% 100%;animation:glare 6s ease-in-out infinite;pointer-events:none}
@keyframes glare{0%{background-position:150% 0}60%,100%{background-position:-50% 0}}
.chip{position:absolute;z-index:2;display:flex;align-items:center;gap:.55rem;padding:.55rem .9rem;border-radius:16px;background:rgba(18,18,18,.72);border:1px solid #2e2e2e;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-size:.85rem;font-weight:700;box-shadow:0 20px 40px -12px rgba(0,0,0,.8);animation:chipfloat 6s ease-in-out infinite;animation-delay:var(--cd,0s)}
.chip b{color:var(--mint);font-size:1.15rem;letter-spacing:-.02em}
.chip small{display:block;color:var(--muted);font-weight:500;font-size:.7rem;line-height:1.2}
.chip.c1{left:-1%;top:14%;--cd:-1s}.chip.c2{right:-2%;top:42%;--cd:-3s}.chip.c3{left:2%;bottom:10%;--cd:-5s}
@keyframes chipfloat{50%{transform:translateY(-10px)}}
@media(max-width:34rem){.chip{transform:scale(.85)}.chip.c1{left:-4%}.chip.c2{right:-5%}}

/* marquee */
.marquee{border-block:1px solid var(--line);background:#050505;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:inline-flex;gap:3rem;padding:1rem 0;animation:marquee 28s linear infinite;font-weight:800;font-size:1.25rem;letter-spacing:-.01em;color:#555}
.marquee-track span{display:inline-flex;align-items:center;gap:3rem}
.marquee-track span::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint)}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* sections */
.sec{padding-block:5rem 1rem}
.sec-head{max-width:36rem;margin-bottom:2.2rem}
.sec-head p{color:var(--muted);margin:0}

/* breath demo */
.demo{display:grid;gap:2.5rem;align-items:center;grid-template-columns:1fr}
@media(min-width:56rem){.demo{grid-template-columns:1fr 1fr}}
.breath{position:relative;display:grid;place-items:center;aspect-ratio:1;width:min(100%,360px);margin:0 auto;border-radius:50%}
.breath::before{content:"";position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle,rgba(94,234,192,.22),transparent 68%);animation:breathe 5s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.18)}}
.breath svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.breath circle{fill:none;stroke-width:5;stroke-linecap:round}
.breath .track{stroke:#1c1c1c}
.breath .prog{stroke:var(--mint);stroke-dasharray:289;stroke-dashoffset:289;filter:drop-shadow(0 0 6px rgba(94,234,192,.7));animation:ring 5s linear infinite}
@keyframes ring{0%{stroke-dashoffset:289}90%,100%{stroke-dashoffset:0}}
.count{position:relative;font-size:clamp(4rem,14vw,6.5rem);font-weight:800;line-height:1;counter-reset:n var(--n);animation:cd 5s steps(1,end) infinite;font-variant-numeric:tabular-nums}
.count::before{content:counter(n)}
@keyframes cd{0%{--n:5}20%{--n:4}40%{--n:3}60%{--n:2}80%{--n:1}90%,100%{--n:0}}
.breath-label{position:absolute;bottom:14%;left:0;right:0;text-align:center;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.breath-ok{position:absolute;bottom:2%;left:50%;translate:-50% 0;background:var(--mint);color:#04120d;font-weight:800;font-size:.82rem;padding:.4rem 1rem;border-radius:999px;opacity:0;animation:okbtn 5s linear infinite}
@keyframes okbtn{0%,88%{opacity:0;transform:translateY(6px)}92%,100%{opacity:1;transform:none}}

/* bento */
.bento{list-style:none;padding:0;margin:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}
.bento li{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:1.4rem 1.4rem 1.5rem;transition:border-color .3s,transform .4s var(--ease)}
.bento li::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(94,234,192,.14),transparent 45%);opacity:0;transition:opacity .3s;pointer-events:none}
.bento li:hover{border-color:#2f5d4f;transform:translateY(-4px)}
.bento li:hover::before{opacity:1}
.bento h3{margin:.85rem 0 .35rem}
.bento p{margin:0;color:var(--muted)}
.ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(94,234,192,.2),rgba(15,110,86,.2));border:1px solid rgba(94,234,192,.25);font-size:1.4rem}
@media(min-width:56rem){.bento{grid-template-columns:repeat(3,1fr)}}

/* stats */
.stats{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));margin:0;padding:0;list-style:none}
.stats li{text-align:center;padding:1.6rem 1rem;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#0f0f0f,#050505)}
.stats strong{display:block;font-size:clamp(2.2rem,6vw,3.2rem);letter-spacing:-.03em;color:var(--mint);line-height:1.1}
.stats span{color:var(--muted);font-size:.9rem}

/* steps */
.steps{list-style:none;padding:0;margin:0;position:relative;display:grid;gap:1.25rem;counter-reset:s}
.steps::before{content:"";position:absolute;left:23px;top:24px;bottom:24px;width:2px;background:linear-gradient(var(--mint),var(--teal));transform-origin:top;transform:scaleY(var(--line,0));opacity:.8}
.steps li{position:relative;padding:.2rem 0 .2rem 4rem;counter-increment:s;min-height:48px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#0b0b0b;border:2px solid var(--mint);color:var(--mint);font-weight:800;font-size:1.1rem;box-shadow:0 0 24px -4px rgba(94,234,192,.5)}
.steps strong{display:block;font-size:1.1rem}
.steps span{color:var(--muted)}

/* privacy */
.checks{list-style:none;padding:0;display:grid;gap:.7rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.checks li{padding:1rem 1rem 1rem 3rem;position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px}
.checks li::before{content:"✓";position:absolute;left:1rem;top:50%;translate:0 -50%;width:1.6rem;height:1.6rem;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:#04120d;font-weight:900;font-size:.85rem}

/* download */
.dl{position:relative;overflow:hidden;border-radius:30px;padding:clamp(1.6rem,5vw,3rem);margin-top:5rem;text-align:center;border:1px solid #1f3a31;background:radial-gradient(120% 140% at 50% 0%,#0c2a22 0%,#050505 60%)}
.dl::before{content:"";position:absolute;inset:-50%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(94,234,192,.35) 85%,transparent 100%);animation:spin 9s linear infinite;z-index:0}
.dl::after{content:"";position:absolute;inset:1px;border-radius:29px;background:radial-gradient(120% 140% at 50% 0%,#0a241d 0%,#050505 62%);z-index:0}
.dl>*{position:relative;z-index:1}
@keyframes spin{to{transform:rotate(360deg)}}
.dl h2{margin-bottom:.4rem}
.dl .lead{margin:0 auto 1.4rem;text-align:center}
.dl-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1.1rem 0 0;padding:0;list-style:none}
.dl-meta li{border:1px solid #2a2a2a;border-radius:999px;padding:.25rem .8rem;font-size:.8rem;color:var(--muted);background:rgba(255,255,255,.03)}
.soon{display:inline-flex;align-items:center;gap:.5rem;margin:1.2rem 0 0;font-size:.85rem;color:var(--muted)}
.soon::before{content:"";width:8px;height:8px;border-radius:50%;background:#f5b94c;animation:blink 1.6s ease-in-out infinite}
@keyframes blink{50%{opacity:.25}}
.how-install{max-width:34rem;margin:1.6rem auto 0;text-align:left;font-size:.92rem;color:var(--muted)}
.how-install summary{justify-content:center;color:var(--fg)}
.how-install ol{padding-left:1.2rem}
.how-install code{background:#111;border:1px solid #2a2a2a;border-radius:6px;padding:.1rem .4rem;font-size:.82rem;word-break:break-all}
.hash{display:block;margin-top:.4rem;word-break:break-all}

/* faq */
details{border-top:1px solid var(--line);padding:.35rem 0}details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:1rem;list-style:none}
summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--mint);transition:transform .3s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
details p{margin:.25rem 0 .75rem;color:var(--muted)}
@supports (interpolate-size:allow-keywords){:root{interpolate-size:allow-keywords}details::details-content{block-size:0;overflow:hidden;transition:block-size .35s var(--ease),content-visibility .35s allow-discrete}details[open]::details-content{block-size:auto}}

.steps,.faq{max-width:44rem}
.cta{text-align:center;padding-block:3.5rem 1rem}

/* legal pages */
.doc{padding-block:2rem}.doc ul,.doc ol{padding-left:1.25rem}.doc li{margin:.5rem 0}
.doc h1{font-size:clamp(1.8rem,5vw,2.4rem)}.doc h2{font-size:1.4rem;margin-top:2rem}
.site-footer{border-top:1px solid var(--line);margin-top:4rem;padding:1.5rem 0 2.5rem;font-size:.9rem;color:var(--muted)}
.site-footer p{margin:.4rem 0}

/* scroll reveal (class toggled by main.js; no JS = everything visible) */
.js .rv{opacity:0;transform:translateY(28px) scale(.98);filter:blur(6px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease);transition-delay:calc(var(--i,0)*80ms)}
.js .rv.in{opacity:1;transform:none;filter:none}


/* stagger/delay hooks (CSP forbids inline style attributes) */
.w0{--i:0}.w1{--i:1}.w2{--i:2}.w3{--i:3}.w4{--i:4}.w5{--i:5}.w6{--i:6}.w7{--i:7}.w8{--i:8}.w9{--i:9}
.hero .lead{--d:700ms}.hero-cta{--d:850ms}.hero-note{--d:1000ms}.phone-wrap{--d:400ms}
.rv:nth-child(2){--i:1}.rv:nth-child(3){--i:2}.rv:nth-child(4){--i:3}.rv:nth-child(5){--i:4}.rv:nth-child(6){--i:5}
.breath.rv{--i:2}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .word,.fade-up{opacity:1;transform:none;filter:none}
  .js .rv{opacity:1;transform:none;filter:none}
  .marquee-track{animation:none}
  .breath .prog{stroke-dashoffset:0}
  .count::before{content:"0"}
}