:root{--bg:#fff;--ink:#16181d;--mute:#5d6470;--accent:#1f5fbf;--accent-ink:#fff;--soft:#f3f5f9;--line:#e3e6ec;--hero:#0e2a57;--hero-ink:#fff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
nav{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.brand{font-weight:800;letter-spacing:.02em;text-decoration:none}
.brand span{color:var(--accent)}
nav .links{display:flex;gap:18px;font-size:14px}
nav .links a{text-decoration:none;color:var(--mute)}
nav .links a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;font-size:15px;border:2px solid var(--accent)}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor}
.hero{background:var(--hero);color:var(--hero-ink);padding:56px 0}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:700;opacity:.8;margin-bottom:12px}
h1{font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.02em;margin-bottom:18px}
.lede{font-size:18px;opacity:.9;max-width:34em;margin-bottom:26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .shot{border-radius:14px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.hero .shot img{width:100%;max-height:640px;object-fit:cover}
section{padding:64px 0}
section.alt{background:var(--soft)}
h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.01em;line-height:1.15;margin-bottom:14px}
.sub{color:var(--mute);max-width:40em;margin-bottom:34px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--mute);font-size:15px}
.ico{width:42px;height:42px;border-radius:10px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.detail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.detail figure{border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.detail .crop{height:260px;background-repeat:no-repeat;background-size:var(--z,300%)}
.detail figcaption{padding:12px 14px;font-size:14px;color:var(--mute)}
.detail figcaption b{display:block;color:var(--ink);font-size:15px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split img{border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.18)}
.steps{list-style:none;counter-reset:s;display:grid;gap:14px}
.steps li{counter-increment:s;padding-left:52px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800}
.steps b{display:block}
.steps span{color:var(--mute);font-size:15px}
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.specs div{padding:22px;border-right:1px solid var(--line)}
.specs div:last-child{border-right:0}
.specs b{display:block;font-size:22px}
.specs span{font-size:13px;color:var(--mute)}
.quote{font-size:clamp(20px,2.6vw,28px);line-height:1.4;font-weight:600;max-width:30em}
.quote small{display:block;margin-top:10px;font-size:14px;font-weight:400;color:var(--mute)}
.final{background:var(--hero);color:var(--hero-ink);text-align:center}
.final .sub{color:inherit;opacity:.85;margin-left:auto;margin-right:auto}
footer{padding:28px 0;font-size:13px;color:var(--mute);border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(max-width:820px){
  .hero .wrap,.split{grid-template-columns:1fr}
  .grid3,.detail{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr 1fr}
  .specs div{border-bottom:1px solid var(--line)}
  nav .links{display:none}
  section{padding:44px 0}
}
.rv-back{position:fixed;inset:0;z-index:20;background:rgba(10,14,22,.6);display:grid;place-items:center;padding:16px}
.rv-back[hidden]{display:none}
.rv{position:relative;background:#fff;color:var(--ink);border-radius:16px;padding:32px;width:100%;max-width:440px;box-shadow:0 24px 80px rgba(0,0,0,.4)}
.rv h3{font-size:22px;margin-bottom:8px}
.rv p{color:var(--mute);margin-bottom:16px;font-size:15px}
.rv input{width:100%;padding:13px 14px;font-size:16px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:12px}
.rv input:focus{outline:none;border-color:var(--accent)}
.rv .btn{width:100%;cursor:pointer;font-size:16px}
.rv .rv-err{color:#c0392b;margin:-4px 0 12px}
.rv-x{position:absolute;right:12px;top:8px;border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--mute)}
.rv [hidden]{display:none}