:root{
  --paper:#FFFFFF; --paper-2:#F7F6F3; --paper-3:#EFEDE7;
  --ink:#0C1424; --ink-2:#111C31; --ink-3:#18243D;
  --muted:#5A6478; --muted-d:#98A2B8;
  --line:rgba(12,20,36,0.10); --line-strong:rgba(12,20,36,0.16);
  --line-d:rgba(255,255,255,0.10);
  --ember:#E85D12; --amber:#F5872E; --leaf:#2AA37A;
  --radius:14px; --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-weight:400;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.13;letter-spacing:-0.015em;color:var(--ink)}
.eyebrow{font-size:0.72rem;font-weight:600;letter-spacing:0.22em;text-transform:uppercase;color:var(--ember)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.view > section{position:relative;padding:104px 0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
a:focus-visible,button:focus-visible{outline:2px solid var(--ember);outline-offset:3px}

/* nav */
nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,0.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:15px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;height:24px;flex-shrink:0;cursor:pointer}
.brand img{height:19px;width:auto;display:block}
.nav-links{display:flex;gap:34px;font-size:0.9rem;font-weight:500}
.nav-links a{color:var(--muted);transition:color .2s;position:relative;padding:4px 0;cursor:pointer}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--ember)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 26px;border-radius:999px;font-family:'Inter',sans-serif;font-weight:600;font-size:0.88rem;border:1px solid var(--line-strong);color:var(--ink);background:transparent;transition:background .2s,color .2s,border-color .2s;cursor:pointer}
.btn:hover{background:var(--paper-3)}
.btn-ember{background:var(--ember);color:#fff;border:1px solid var(--ember)}
.btn-ember:hover{background:#d1500b;border-color:#d1500b}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:var(--ink-2)}
.nav-cta{padding:9px 20px;font-size:0.82rem}
.menu-btn{display:none;background:none;border:1px solid var(--line-strong);border-radius:9px;padding:8px 12px;color:var(--ink);cursor:pointer}

/* views */
.view{display:none;animation:fade .45s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* section headers */
.sec-head{max-width:680px;margin-bottom:60px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(1.9rem,3.7vw,2.9rem);margin:16px 0 18px}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* dark band helper */
.band-dark{background:var(--ink);color:#E9ECF4}
.band-dark h1,.band-dark h2,.band-dark h3,.band-dark h4{color:#fff}
.band-dark .sec-head p{color:var(--muted-d)}
.band-warm{background:var(--paper-2)}

/* ---------- HERO ---------- */
.hero{padding:176px 0 124px;border-bottom:1px solid var(--line)}
.hero-copy{max-width:820px}
.hero-copy h1{font-size:clamp(3rem,7vw,5.4rem)}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.8rem,6vw,4.6rem);font-weight:700;margin:24px 0 26px;letter-spacing:-0.03em}
.hero h1 .accent{color:var(--ember)}
.hero p{max-width:520px;color:var(--muted);font-size:1.1rem}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-strong);background:var(--paper-2);border-radius:999px;padding:7px 16px;font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink);font-weight:600}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ember)}
.hero-visual{position:relative;aspect-ratio:4/4;border-radius:20px;border:1px solid var(--line);background:radial-gradient(circle at 60% 40%,#fff,var(--paper-2) 75%);display:flex;align-items:center;justify-content:center;padding:40px;overflow:hidden}
.hero-visual img{width:82%;height:auto;filter:drop-shadow(0 24px 40px rgba(20,20,30,0.14))}
.hero-visual .tint{position:absolute;width:360px;height:360px;border-radius:50%;right:-120px;bottom:-140px;background:radial-gradient(circle,rgba(232,93,18,0.12),transparent 70%);pointer-events:none}
.feat-chip{position:absolute;bottom:22px;left:22px;z-index:3;font-size:0.72rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:#fff;background:var(--ember);padding:8px 15px;border-radius:999px}

/* strip */
.strip{border-top:1px solid var(--line);padding:22px 0;overflow:hidden;background:var(--paper-2)}
.strip-track{display:flex;gap:60px;white-space:nowrap;font-size:0.72rem;font-weight:600;letter-spacing:0.24em;text-transform:uppercase;color:var(--muted);animation:scroll 34s linear infinite;width:max-content}
@keyframes scroll{to{transform:translateX(-50%)}}
.strip-track span{display:flex;align-items:center;gap:60px}
.strip-track i{color:var(--ember);font-style:normal}

/* mission */
.mission-grid{display:grid;grid-template-columns:0.92fr 1.08fr;gap:64px;align-items:center}
.mission blockquote{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.3rem,2.4vw,1.85rem);font-weight:500;line-height:1.38;color:var(--ink);border:none;letter-spacing:-0.02em}
.mission blockquote .hl{color:var(--ember)}
.pillars{display:grid;gap:14px}
.pillar{display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border:1px solid var(--line);border-radius:12px;background:var(--paper);transition:border-color .25s}
.pillar:hover{border-color:var(--line-strong)}
.pillar .pi{width:44px;height:44px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--paper-3)}
.pillar h4{font-size:1.02rem;margin-bottom:4px}
.pillar p{font-size:0.9rem;color:var(--muted)}

/* why grid */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.why{padding:40px 32px 40px 0;border-right:1px solid var(--line)}
.why:last-child{border-right:none;padding-right:0}
.why:not(:first-child){padding-left:32px}
.why .n{font-size:0.8rem;font-weight:700;letter-spacing:0.1em;color:var(--ember)}
.why h3{font-size:1.22rem;margin:16px 0 10px}
.why p{color:var(--muted);font-size:0.92rem}

/* teasers */
.teasers{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.teaser{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:44px 40px;background:var(--paper);overflow:hidden;transition:border-color .25s,transform .25s}
.teaser:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.teaser h3{font-size:1.55rem;margin-bottom:12px}
.teaser p{color:var(--muted);font-size:0.94rem;margin-bottom:24px;max-width:92%}
.teaser .go{display:inline-flex;align-items:center;gap:8px;color:var(--ember);font-weight:600;font-size:0.92rem;cursor:pointer}

/* ---------- TECH ---------- */
.tech-hero{padding-top:150px}
.tech-hero .eyebrow{margin-bottom:20px;display:block}
.tech-hero h1{font-size:clamp(2.4rem,5vw,3.9rem);max-width:920px;margin-bottom:24px;letter-spacing:-0.03em}
.tech-hero h1 .accent{color:var(--ember)}
.tech-hero p{max-width:660px;color:var(--muted);font-size:1.1rem}
.tech-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:60px;border-top:1px solid var(--line)}
.tstat{padding:28px 24px 0 0;border-right:1px solid var(--line)}
.tstat:last-child{border-right:none}
.tstat:not(:first-child){padding-left:24px}
.tstat b{font-family:'Space Grotesk',sans-serif;font-size:2.1rem;font-weight:700;color:var(--ink);display:block}
.tstat b .u{font-size:1rem;color:var(--ember)}
.tstat span{font-size:0.82rem;color:var(--muted)}

/* anatomy */
.ana-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:52px;align-items:start}
.ana-stage{position:relative;border:1px solid var(--line);border-radius:18px;aspect-ratio:1/1;background:radial-gradient(circle at 50% 42%,#fff,var(--paper-3) 78%);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:34px}
.ana-stage img{width:76%;filter:drop-shadow(0 18px 34px rgba(20,20,30,0.14))}
.ana-ring{position:absolute;inset:0}
.hot{position:absolute;width:32px;height:32px;border-radius:50%;border:2px solid var(--ember);background:rgba(255,255,255,0.85);cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-size:0.8rem;font-weight:700;color:var(--ember);transition:transform .2s,background .2s,color .2s}
.hot:hover,.hot.on{background:var(--ember);transform:scale(1.15);color:#fff}
.ana-list{display:flex;flex-direction:column;gap:10px}
.ana-item{border:1px solid var(--line);border-radius:12px;padding:16px 20px;cursor:pointer;transition:border-color .2s,background .2s;background:var(--paper)}
.ana-item:hover{border-color:var(--line-strong)}
.ana-item.on{border-color:var(--ember);background:var(--paper-2)}
.ana-item .row{display:flex;align-items:center;gap:14px}
.ana-item .idx{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--ember);width:22px;flex-shrink:0}
.ana-item h4{font-size:1.02rem}
.ana-item .desc{max-height:0;overflow:hidden;transition:max-height .35s ease,margin .35s ease;color:var(--muted);font-size:0.9rem;padding-left:36px}
.ana-item.on .desc{max-height:220px;margin-top:10px}

/* chain */
.chain{display:flex;flex-wrap:wrap;margin-top:8px}
.chain-step{flex:1;min-width:160px;border:1px solid var(--line);border-radius:12px;padding:24px 20px;background:var(--paper);position:relative;margin:8px}
.chain-step .cn{font-size:0.66rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--ember)}
.chain-step h4{font-size:1.02rem;margin:12px 0 7px}
.chain-step p{font-size:0.85rem;color:var(--muted)}
.chain-step .arrow{position:absolute;right:-18px;top:50%;transform:translateY(-50%);color:var(--ember);z-index:2;font-size:1.2rem}
.chain-step:last-child .arrow{display:none}

/* accordion */
.acc{display:grid;gap:12px;max-width:880px}
.acc-item{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper)}
.acc-head{width:100%;text-align:left;background:none;border:none;color:var(--ink);padding:22px 26px;display:flex;align-items:center;gap:18px;cursor:pointer;font-family:'Space Grotesk',sans-serif;font-size:1.06rem;font-weight:600}
.acc-head .qn{font-size:0.78rem;font-weight:700;color:var(--ember);flex-shrink:0}
.acc-head .chev{margin-left:auto;transition:transform .3s;color:var(--muted)}
.acc-item.open .acc-head .chev{transform:rotate(180deg)}
.acc-item.open{border-color:var(--line-strong)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .4s ease}
.acc-body .inner{padding:0 26px 24px 26px;color:var(--muted);font-size:0.95rem}
.acc-body .inner strong{color:var(--ink);font-weight:600}
.acc-body ul{margin:10px 0 0 0;padding-left:18px;display:grid;gap:7px}

/* safe (dark band) */
.rule6060{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;border:1px solid var(--line-d);border-radius:20px;padding:48px;background:var(--ink-2);margin-bottom:52px}
.dial{width:190px;height:190px;border-radius:50%;margin:0 auto;position:relative;background:conic-gradient(var(--ember) 0deg 216deg,rgba(255,255,255,0.12) 216deg 360deg);display:flex;align-items:center;justify-content:center}
.dial::before{content:"";position:absolute;inset:16px;border-radius:50%;background:var(--ink-2)}
.dial .val{position:relative;text-align:center}
.dial .val b{font-family:'Space Grotesk',sans-serif;font-size:2.2rem;font-weight:700;color:#fff;display:block}
.dial .val span{font-size:0.72rem;color:var(--muted-d);letter-spacing:0.1em;text-transform:uppercase}
.rule6060 h3{color:#fff}
.rule6060 p{color:var(--muted-d)}
.rule6060 strong{color:#fff}
.harm-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.harm{border:1px solid var(--line-d);border-radius:14px;padding:28px;background:var(--ink-2);transition:border-color .25s,transform .25s}
.harm:hover{border-color:rgba(232,93,18,0.5);transform:translateY(-3px)}
.harm .hi{width:46px;height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(232,93,18,0.14);margin-bottom:16px}
.harm h4{font-size:1.08rem;margin-bottom:8px;color:#fff}
.harm p{color:var(--muted-d);font-size:0.9rem}
.medical-note{margin-top:32px;border:1px solid var(--line-d);border-radius:12px;padding:18px 22px;background:rgba(42,163,122,0.08);color:var(--muted-d);font-size:0.87rem;display:flex;gap:14px;align-items:flex-start}
.medical-note svg{flex-shrink:0;margin-top:2px}
.medical-note strong{color:#fff}

/* products */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;position:relative}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(12,20,36,0.08)}
.card .visual{aspect-ratio:16/10;position:relative;background:var(--paper-2)}
.card .visual-light{background:radial-gradient(circle at 50% 40%,#fff,var(--paper-3) 80%)}
.card .visual-fill{background:var(--ink)}
.card-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:16px}
.card-img.cover{object-fit:cover;padding:0}
.card .body{padding:24px 26px 28px}
.card h3{font-size:1.3rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:0.92rem}
.card .tag{position:absolute;top:14px;left:14px;z-index:2;font-size:0.64rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;padding:6px 13px;border-radius:999px}
.tag-soon{background:var(--ember);color:#fff}
.tag-road{background:rgba(12,20,36,0.72);color:#fff}
.concept-note{position:absolute;bottom:12px;right:14px;z-index:2;font-size:0.6rem;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:#fff;background:rgba(12,20,36,0.6);padding:5px 10px;border-radius:999px}
.prod-divider{display:flex;align-items:center;gap:18px;margin:60px 0 36px}
.prod-divider span{font-size:0.72rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.prod-divider .ln{height:1px;background:var(--line);flex:1}

/* roadmap */
.timeline{position:relative;margin-top:56px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:var(--line)}
.timeline .prog{position:absolute;left:0;top:9px;height:2px;width:25%;background:var(--ember)}
.t-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.t-item{position:relative;padding-top:44px}
.t-item::before{content:"";position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;background:var(--paper);border:2px solid var(--line-strong)}
.t-item.live::before{border-color:var(--ember);background:var(--ember)}
.t-item .when{font-size:0.62rem;font-weight:700;letter-spacing:0.16em;color:var(--ember);text-transform:uppercase}
.t-item h3{font-size:1.06rem;margin:10px 0 8px}
.t-item p{font-size:0.86rem;color:var(--muted)}
.band-warm .t-item::before{background:var(--paper-2)}

/* investors */
.mkt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line-d)}
.mkt{padding:32px 28px 32px 0;border-right:1px solid var(--line-d)}
.mkt:last-child{border-right:none}
.mkt:not(:first-child){padding-left:28px}
.mkt b{font-family:'Space Grotesk',sans-serif;font-size:1.6rem;font-weight:700;color:#fff;display:block;margin-bottom:6px}
.mkt span{font-size:0.86rem;color:var(--muted-d)}
.invest{border:1px solid var(--line);border-radius:20px;padding:60px 52px;background:var(--paper-2);display:grid;grid-template-columns:1.2fr 0.8fr;gap:52px;align-items:center}
.invest h2{font-size:clamp(1.8rem,3.2vw,2.4rem);margin:16px 0}
.invest p{color:var(--muted)}
.invest-points{margin-top:24px;display:grid;gap:13px}
.point{display:flex;gap:14px;align-items:flex-start;font-size:0.93rem;color:var(--ink)}
.point svg{flex-shrink:0;margin-top:4px}
.invest-cta{display:flex;flex-direction:column;gap:13px}
.invest-cta .btn{justify-content:center}
.invest-cta small{color:var(--muted);text-align:center;font-size:0.78rem}

/* waitlist */
.waitlist{text-align:center}
.wl-form{display:flex;gap:12px;max-width:480px;margin:32px auto 0;flex-wrap:wrap;justify-content:center}
.wl-form input{flex:1;min-width:240px;background:var(--paper);border:1px solid var(--line-strong);border-radius:999px;padding:14px 24px;color:var(--ink);font-family:'Inter',sans-serif;font-size:0.9rem}
.wl-form input:focus{outline:2px solid var(--ember);outline-offset:2px}

/* footer */
footer{background:var(--ink);color:var(--muted-d);padding:60px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-grid h4{font-size:0.78rem;letter-spacing:0.14em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:600}
.foot-grid a{display:block;color:var(--muted-d);font-size:0.85rem;margin-bottom:10px;transition:color .2s;cursor:pointer}
.foot-grid a:hover{color:var(--amber)}
.foot-brand img{height:19px}
.foot-bottom{margin-top:46px;padding-top:22px;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;color:var(--muted-d);font-size:0.76rem;flex-wrap:wrap;gap:10px}

.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.strip-track{animation:none}.view{animation:none}}

@media (max-width:980px){
  .hero-grid,.mission-grid,.ana-grid,.invest{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .why{border-right:none;border-bottom:1px solid var(--line);padding:32px 0}
  .mkt-grid{grid-template-columns:1fr}
  .mkt{border-right:none;border-bottom:1px solid var(--line-d);padding:26px 0}
  .tech-stats{grid-template-columns:1fr 1fr}
  .tstat{border-right:none;padding:22px 0}
  .prod-grid{grid-template-columns:1fr 1fr}
  .t-grid{grid-template-columns:1fr 1fr;row-gap:44px}
  .timeline::before,.timeline .prog{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:20px 28px;gap:18px}
  .menu-btn{display:block}
  .invest{padding:44px 30px}
  .rule6060{grid-template-columns:1fr;text-align:center}
}
@media (max-width:620px){
  .prod-grid,.harm-grid,.teasers,.tech-stats{grid-template-columns:1fr}
  .t-grid{grid-template-columns:1fr}
  .view > section{padding:72px 0}
}