:root{--bg:#0e1114;--panel:#151a1f;--line:#26303a;--txt:#eef1f4;--mut:#b9c2cb;--acc:#f2a93b;--accl:#ffd08a;--head:68px}
*{box-sizing:border-box;margin:0}
html{scroll-padding-top:calc(var(--head) + 8px)}
body{background:var(--bg);color:var(--txt);font:18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
a{color:var(--accl)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:820px}
:focus-visible{outline:3px solid #7cc4ff;outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:10px 14px;z-index:99}.skip:focus{left:8px}
/* шапка */
.top{position:fixed;inset:0 0 auto;z-index:30;height:var(--head);padding-top:env(safe-area-inset-top);background:linear-gradient(#0e1114cc,#0e111400);transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.top.solid{background:#0e1114f2;border-color:var(--line)}
.bar-in{height:100%;display:flex;align-items:center;gap:16px}
.logo{font-weight:900;letter-spacing:.28em;font-size:1.3rem;color:#fff;text-decoration:none;margin-right:auto}
.nav{display:none}
.menu-btn{min-height:48px;padding:0 18px;border:1px solid #46525e;border-radius:12px;background:#0e1114;color:var(--txt);font:inherit;font-weight:600}
.nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#0e1114;border-bottom:1px solid var(--line);padding:6px 20px 14px}
.nav.open a{color:var(--txt);text-decoration:none;font-size:1.2rem;padding:16px 0;border-bottom:1px solid var(--line)}
/* первый экран: фото закреплено, ключ поворачивается при прокрутке */
.hero{position:relative;height:100vh;height:100svh}
.scrub .hero{height:260vh;height:260svh}
.pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:var(--bg)}
.view{position:absolute;inset:0;overflow:hidden}
.scene{position:absolute;left:50%;top:50%;height:max(100%,calc(100vw * 990 / 1280));aspect-ratio:1280/990;transform:translate(-50%,-50%) scale(calc(1 + var(--e,0) * .07));transform-origin:47.81% 34.55%}
.scene img{position:absolute;display:block;user-select:none;-webkit-user-drag:none}
.base{inset:0;width:100%;height:100%}
.wr{left:32.656%;top:0;width:64.844%;height:52.727%;transform-origin:23.37% 65.52%;transform:rotate(calc(var(--e,0) * -7deg));will-change:transform}
.shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(14,17,20,.97) 6%,rgba(14,17,20,.8) 30%,rgba(14,17,20,0) 62%)}
.hero-in{position:absolute;left:0;right:0;bottom:calc(36px + env(safe-area-inset-bottom));opacity:max(0,calc(1 - var(--e,0) * 1.8));transform:translateY(calc(var(--e,0) * -28px))}
.hero-in.gone{visibility:hidden}
.brand-line{color:var(--acc);font-weight:800;letter-spacing:.3em;margin-bottom:10px}
h1{font-size:clamp(2.2rem,9.5vw,4.4rem);line-height:1.04;font-weight:900;letter-spacing:-.02em;margin-bottom:16px;text-shadow:0 2px 18px rgba(0,0,0,.6)}
.sub{color:#e1e7ec;font-size:1.15rem;max-width:30em;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:60px;padding:0 32px;border:0;border-radius:12px;background:var(--acc);color:#1a1200;font:inherit;font-weight:800;text-decoration:none;cursor:pointer;text-align:center}
.btn.big{font-size:1.15rem;min-height:64px}
.btn.ghost{background:transparent;color:var(--txt);border:2px solid #56626e}
.btn:hover{background:#ffbb55}
@media(max-width:899px){.view{bottom:auto;height:62%}.scene{height:100%;top:0;left:50%;transform:translate(-58%,0) scale(calc(1 + var(--e,0) * .07))}.shade{background:linear-gradient(0deg,var(--bg) 40%,rgba(14,17,20,0) 66%)}}
/* секции */
.sec{padding:72px 0}
h2{font-size:clamp(1.9rem,6.5vw,2.8rem);line-height:1.1;font-weight:800;margin-bottom:28px}
h3{font-size:1.35rem;line-height:1.25;margin-bottom:8px}
.lead{color:#d3dae0;font-size:1.15rem;margin-bottom:22px}
.svc{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:30px 0;border-top:1px solid var(--line)}
.n{font-size:1.6rem;font-weight:900;color:transparent;-webkit-text-stroke:1px #7d8b98}
.svc p{color:var(--mut);max-width:40em}
.tags{list-style:none;padding:0;margin:14px 0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:.95rem;color:#d3dae0}
.link{display:inline-block;padding:10px 0;font-weight:700}
.sololift{background:var(--panel);border-block:1px solid var(--line)}
.feature{position:relative;border-left:4px solid var(--acc);padding-left:24px}
.big-n{font-size:3.4rem;line-height:1}
.checks{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:12px}
.checks li{position:relative;padding-left:32px}
.checks li::before{content:"";position:absolute;left:0;top:.5em;width:16px;height:9px;border-left:3px solid var(--acc);border-bottom:3px solid var(--acc);transform:rotate(-45deg)}
.note{color:var(--accl);margin-bottom:24px;max-width:38em}
.steps{list-style:none;padding:0;display:grid;gap:0}
.steps li{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.sn{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:2px solid var(--acc);color:var(--acc);font-weight:800}
.steps p{color:var(--mut)}
details{border-top:1px solid var(--line)}details:last-of-type{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;min-height:64px;padding:18px 48px 18px 0;position:relative;font-weight:700;font-size:1.15rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.8rem;color:var(--acc)}
details[open] summary::after{content:"−"}
details p{padding:0 0 22px;color:var(--mut)}
.contacts{background:var(--panel);border-top:1px solid var(--line)}
.phone-big{display:block;font-size:clamp(2.1rem,10vw,4.2rem);font-weight:900;color:#fff;text-decoration:none;letter-spacing:-.01em;margin-bottom:26px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.hint{min-height:1.6em;margin-top:14px;color:var(--mut)}
.foot{padding:28px 0 40px;color:var(--mut);font-size:.95rem;border-top:1px solid var(--line)}
/* большие экраны */
@media(min-width:900px){
  body{padding-bottom:0}.menu-btn{display:none}
  .nav{display:flex;gap:30px}.nav a{color:#dfe5ea;text-decoration:none;font-size:1rem}.nav a:hover{color:#fff}
  .shade{background:linear-gradient(90deg,rgba(14,17,20,.9) 0,rgba(14,17,20,.62) 34%,rgba(14,17,20,0) 62%),linear-gradient(0deg,rgba(14,17,20,.7),rgba(14,17,20,0) 38%)}
  .hero-in{top:50%;bottom:auto;transform:translateY(calc(-50% - var(--e,0) * 28px))}.hero-in>*{max-width:560px}
  .svc{grid-template-columns:110px 1fr;padding:42px 0}
  .svc:nth-of-type(even){grid-template-columns:1fr 110px}.svc:nth-of-type(even) .n{order:2;text-align:right}
  .checks{grid-template-columns:1fr 1fr;gap:14px 40px}
  .feature{padding-left:44px}.big-n{font-size:5rem}
  .steps{grid-template-columns:repeat(5,1fr);gap:24px}
  .steps li{grid-template-columns:1fr;border-top:2px solid var(--line);padding-top:22px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

#seq{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
@media(min-width:900px){.view{left:38%}.shade{background:linear-gradient(90deg,var(--bg) 38%,rgba(14,17,20,0) 62%)}}

.btn.tg{background:#27a7e7;color:#fff;gap:10px}.btn.tg:hover{background:#4db7ee}

.lead{display:grid;gap:12px;max-width:520px;margin-top:36px}.lead h3{margin:0 0 4px;font-size:1.15rem}
.lead input,.lead textarea{width:100%;box-sizing:border-box;padding:16px;border-radius:12px;border:2px solid #56626e;background:#161b20;color:var(--txt);font:inherit}
.lead input:focus,.lead textarea:focus{outline:none;border-color:var(--acc)}.lead .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.lead button[disabled]{opacity:.6;cursor:wait}