:root{color-scheme:dark;--bg:#07070c;--panel:#111119;--line:#23232f;--text:#eef0f4;--muted:#9aa0ad;--accent:#3373ff;--accent2:#8c40f2;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:#9ec0ff;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
/* nav */
nav{position:sticky;top:0;z-index:10;backdrop-filter:saturate(180%) blur(14px);background:rgba(7,7,12,.7);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:22px;height:60px}
nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}nav .brand img{width:28px;height:28px;border-radius:7px}
nav .links{display:flex;gap:18px;margin-left:auto;font-size:.95rem}nav .links a{color:var(--muted)}nav .links a:hover{color:var(--text);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:12px 20px;border-radius:12px;font-weight:600;white-space:nowrap}
.btn:hover{text-decoration:none;filter:brightness(1.08)}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.small{padding:8px 14px;font-size:.9rem}
/* hero */
.hero{position:relative;overflow:hidden;padding:88px 0 40px}
.hero::before{content:"";position:absolute;inset:-40% -20% auto -20%;height:120%;background:radial-gradient(60% 50% at 30% 30%,rgba(51,115,255,.35),transparent 60%),radial-gradient(50% 40% at 75% 45%,rgba(140,64,242,.35),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.02em;margin:0 0 16px}
.hero h1 span{background:linear-gradient(90deg,#7fb0ff,#c08cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:1.2rem;color:var(--muted);margin:0 0 28px;max-width:34rem}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.cta .note{width:100%;font-size:.85rem;color:var(--muted)}
/* phones */
.phones{position:relative;height:560px}
.phone{position:absolute;width:250px;aspect-ratio:9/19.5;background:#000;border-radius:38px;padding:9px;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px #2a2a36,inset 0 0 0 2px #0c0c12}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:30px;display:block}
.phone.front{right:40px;top:20px;transform:rotate(-4deg)}.phone.back{right:230px;top:70px;transform:rotate(6deg) scale(.92);opacity:.9}
/* sections */
section{padding:72px 0}section.alt{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
h2{font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.02em;margin:0 0 8px}p.kicker{color:var(--muted);margin:0 0 36px;font-size:1.05rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step .n{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-weight:700;margin-bottom:12px}
.step h3{margin:0 0 6px;font-size:1.05rem}.step p{margin:0;color:var(--muted);font-size:.95rem}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.feature:nth-child(even) .shot{order:2}
.feature h3{font-size:1.6rem;margin:0 0 10px;letter-spacing:-.01em}.feature p{color:var(--muted);font-size:1.05rem;margin:0}
.feature .shot{display:flex;justify-content:center}.feature .phone{position:static;width:240px;transform:none}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.card h3{margin:0 0 6px;font-size:1.05rem}.card p{margin:0;color:var(--muted)}
.install{display:grid;grid-template-columns:1fr 1fr;gap:16px}.install ol{margin:0;padding-left:20px}.install li{margin:.5em 0;color:#d5d8e0}
.price{max-width:520px;margin:0 auto;text-align:center;background:linear-gradient(160deg,rgba(51,115,255,.18),rgba(140,64,242,.18));border:1px solid var(--line);border-radius:24px;padding:36px}
.price .big{font-size:2.6rem;font-weight:800;letter-spacing:-.02em}.price .big small{font-size:1rem;color:var(--muted);font-weight:500}
details{border-top:1px solid var(--line);padding:14px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}summary::after{content:"+";color:var(--muted)}details[open] summary::after{content:"–"}details p{color:var(--muted);margin:10px 0 0}
footer{padding:36px 0;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line)}footer .wrap{display:flex;gap:18px;flex-wrap:wrap}
/* docs pages */
main.doc{max-width:720px;margin:0 auto;padding:48px 24px}
@media (max-width:860px){.hero{padding-top:40px}.hero .wrap{grid-template-columns:1fr;gap:16px}.phones{height:540px;order:-1;margin-bottom:8px}.phone{width:180px}.phone.front{right:6%;top:0}.phone.back{right:48%;top:36px}.steps,.cards,.install{grid-template-columns:1fr}.feature{grid-template-columns:1fr;gap:24px}.feature:nth-child(even) .shot{order:0}nav .links{display:none}}