:root{
  --ink:#0f1b2d; --text:#243245; --muted:#5d6b7e; --line:#dfe4ec; --bg:#ffffff; --soft:#f4f6fa;
  --navy:#0c1a30; --navy2:#13294b; --accent:#1e63d6; --accent-d:#174fb0; --amber:#f2a516; --ok:#11804a;
  --r:10px; --shadow:0 10px 30px rgba(12,26,48,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0}
h1{font-size:clamp(28px,4.2vw,44px);letter-spacing:-.02em;font-weight:700;text-wrap:balance}
h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.01em;margin-bottom:14px}
h3{font-size:18px;margin-bottom:8px}
p{margin:0 0 14px}
.sub{color:var(--muted);max-width:820px;margin-bottom:28px;font-size:17px}
.fine{font-size:13.5px;color:var(--muted)}

/* шапка */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);letter-spacing:.04em}
.logo:hover{text-decoration:none}
.logo-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:7px;background:var(--navy);color:var(--amber);font-size:17px}
.beta{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#7a4b00;background:#fdeec9;border:1px solid #f3d38a;border-radius:20px;padding:2px 9px}
nav{display:flex;align-items:center;gap:22px;font-size:15px}
nav a{color:var(--text)}
nav a.btn{color:#fff}

/* кнопки */
.btn{display:inline-block;border-radius:8px;padding:11px 20px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;font-family:inherit}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-d)}
.btn-o{background:transparent;color:var(--accent);border-color:#b9c9e6}
.btn-o:hover{border-color:var(--accent);background:#f2f6fd}
.btn-s{padding:7px 14px;background:var(--accent);color:#fff;font-size:14px}
.btn[disabled]{opacity:.6;cursor:default}

/* первый экран */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 62%,#1a3a68 100%);color:#d7e0ee;padding:64px 0 72px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:44px;align-items:center}
.hero h1{color:#fff}
.eyebrow{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);margin-bottom:14px;font-weight:600}
.lead{font-size:18px;margin:18px 0 26px;color:#c9d5e6}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.hero .btn-o{color:#fff;border-color:rgba(255,255,255,.4)}
.hero .btn-o:hover{background:rgba(255,255,255,.1);border-color:#fff}
.note{font-size:14px;color:#9fb0c8;margin:0}
.hero-shot{margin:0}
.hero-shot img{border-radius:10px;box-shadow:0 24px 60px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.14);cursor:zoom-in}
.hero-shot figcaption{font-size:13px;color:#9fb0c8;margin-top:10px}

/* полоса норм */
.strip{background:var(--navy);border-top:1px solid rgba(255,255,255,.08)}
.strip-in{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.strip-in div{padding:16px 14px;border-left:1px solid rgba(255,255,255,.09)}
.strip-in div:first-child{border-left:0;padding-left:0}
.strip b{display:block;color:#fff;font-size:15px;font-weight:600}
.strip span{font-size:13px;color:#9fb0c8}

/* разделы */
.sec{padding:72px 0}
.alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 18px;border-top:3px solid var(--accent)}
.card p{margin:0;font-size:15px;color:var(--text)}

.flow{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.flow li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 16px 16px;position:relative}
.flow li::before{content:counter(s);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--navy);color:var(--amber);font-weight:700;font-size:14px;margin-bottom:10px}
.flow b{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}
.flow span{font-size:14px;color:var(--muted);line-height:1.45;display:block}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin-bottom:18px}
.methods{border-collapse:collapse;width:100%;min-width:760px;font-size:15px}
.methods th{background:var(--navy);color:#fff;text-align:left;font-weight:600;padding:12px 16px;font-size:14px}
.methods td{padding:13px 16px;border-top:1px solid var(--line);vertical-align:top}
.methods td:first-child{font-weight:600;color:var(--ink);width:24%}
.methods td:last-child{width:27%;color:var(--muted);font-size:14px}
.methods tbody tr:nth-child(even){background:#fafbfd}

.shots{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.shots figure{margin:0;grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px;display:flex;flex-direction:column}
.shots figure.wide{grid-column:span 3}
.shots img{border-radius:6px;cursor:zoom-in;width:100%;object-fit:contain;max-height:420px;background:#f0f2f6}
.shots figcaption{font-size:14px;color:var(--muted);padding:10px 4px 2px;margin-top:auto}

.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:16px}
.videos figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px;display:flex;flex-direction:column}
.videos video{width:100%;aspect-ratio:1920/1040;border-radius:6px;background:#151922;display:block}
.videos figcaption{font-size:15px;color:var(--ink);padding:10px 4px 2px}
.videos figcaption span{display:block;font-size:14px;color:var(--muted);margin-top:2px}

.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.panel h3+ul,.panel h3+ol{margin-top:6px}
.panel h3:not(:first-child){margin-top:20px}
ul.check,ul.todo,ol.steps{margin:0 0 14px;padding-left:0;list-style:none}
ul.check li,ul.todo li{padding-left:26px;position:relative;margin-bottom:8px}
ul.check li::before{content:"";position:absolute;left:2px;top:.5em;width:12px;height:7px;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}
ul.todo li::before{content:"";position:absolute;left:5px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--amber)}
ol.steps{counter-reset:n}
ol.steps li{counter-increment:n;padding-left:38px;position:relative;margin-bottom:10px}
ol.steps li::before{content:counter(n);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:#e8effb;color:var(--accent);font-weight:700;font-size:14px;display:grid;place-items:center}
.rel{font-weight:600;color:var(--ink)}
.contacts{display:flex;gap:10px;flex-wrap:wrap}

/* история версий */
.releases{display:grid;gap:14px;max-width:860px}
.release{background:#fff;border:1px solid var(--line);border-left:4px solid #c3ccda;border-radius:var(--r);padding:18px 22px 12px}
.release.current{border-left-color:var(--accent)}
.release h3{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.rdate{font-size:13.5px;font-weight:400;color:var(--muted)}
.release ul{margin:8px 0 6px;padding-left:20px}
.release li{margin-bottom:5px;font-size:15px}

/* форма */
.form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid #c3ccda;border-radius:7px;font:inherit;font-weight:400;color:var(--text);background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #a9c4f3;border-color:var(--accent)}
.form textarea{resize:vertical}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .fine{margin:12px 0 0}
.sent{margin-top:16px;padding:14px 16px;border-radius:8px;background:#eef7f1;border:1px solid #bfe0cc}
.sent b{color:var(--ok)}
.sent.fail{background:#fdf1ef;border-color:#f0c4bd}
.sent.fail b{color:#b42318}
.sent p{margin:6px 0 10px;font-size:14.5px}

.foot{background:var(--navy);color:#b8c5d9;padding:30px 0;font-size:14.5px}
.foot-in{display:grid;gap:8px}
.foot b{color:#fff}
.foot a{color:#9cc0ff}
.foot .fine{color:#7f90aa}

.zoom{position:fixed;inset:0;z-index:50;background:rgba(8,14,26,.9);display:grid;place-items:center;padding:24px;cursor:zoom-out}
.zoom[hidden]{display:none}
.zoom img{max-width:100%;max-height:100%;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.6)}

@media (max-width:980px){
  .hero-in,.two{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .strip-in{grid-template-columns:repeat(2,1fr)}
  .strip-in div{border-left:0;padding-left:0}
  .shots figure,.shots figure.wide{grid-column:span 6}
  .videos{grid-template-columns:repeat(2,1fr)}
  nav a:not(.btn){display:none}
}
@media (max-width:600px){
  .videos{grid-template-columns:1fr}
  .sec{padding:48px 0}
  .hero{padding:40px 0 48px}
  .grid,.flow{grid-template-columns:1fr}
  .wrap{padding:0 16px}
}
.logo-img{width:32px;height:32px;border-radius:50%;margin-right:8px;vertical-align:middle}