@font-face{font-family:"Manrope";src:url(fonts/manrope-cyr.woff2) format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0400-052F,U+2116}
@font-face{font-family:"Manrope";src:url(fonts/manrope-lat.woff2) format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0000-03FF,U+2000-206F,U+20AC,U+2122}

:root{
  --bg:#f4f7f6;--surface:#fff;--ink:#16282c;--muted:#526669;--line:#dbe4e3;
  --accent:#0f5f63;--accent-dark:#0a4346;--accent-tint:#e4f0f0;--warm:#e39a2d;--warm-tint:#fdf3e2;--mint:#7fe0c8;
  --shadow:0 1px 2px rgba(11,63,66,.05),0 10px 26px -14px rgba(11,63,66,.22);
  --shadow-up:0 2px 4px rgba(11,63,66,.06),0 18px 34px -16px rgba(11,63,66,.32);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface);color:var(--ink);font:400 16px/1.6 "Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
h1,h2,h3,p,ol,ul{margin:0}
img,svg{display:block;max-width:100%}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.ico{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico-box{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--accent-tint);color:var(--accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--accent);color:#fff;font-weight:700;text-align:center;text-decoration:none;border-radius:10px;padding:12px 20px;box-shadow:0 8px 18px -8px rgba(15,95,99,.65);transition:background .15s,transform .15s,box-shadow .15s}
.btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -8px rgba(15,95,99,.7)}
.btn .ico{width:20px;height:20px}
.btn--lg{font-size:18px;padding:16px 30px}
.btn--side{display:flex;margin-top:18px;font-size:14px;padding:11px 12px}
.btn--warm{background:var(--warm);color:#2a1b04;box-shadow:0 10px 20px -10px rgba(120,76,10,.7)}
.btn--warm:hover{background:#f0ad45;color:#2a1b04}

.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:32px;height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;text-decoration:none}
.brand:hover{color:var(--ink)}
.top__nav{display:flex;gap:24px;margin-left:8px}
.top__nav a{color:var(--muted);font-size:15px;font-weight:600;text-decoration:none}
.top__nav a:hover{color:var(--accent)}
.top__login{margin-left:auto;color:var(--accent);font-size:15px;font-weight:700;text-decoration:none;border:1px solid var(--line);border-radius:9px;padding:8px 14px;white-space:nowrap;transition:border-color .15s}
.top__login:hover{border-color:var(--accent)}

.hero{position:relative;overflow:hidden;background:
  radial-gradient(620px 420px at 82% 18%,rgba(127,224,200,.28),transparent 70%),
  radial-gradient(520px 360px at 6% 100%,rgba(227,154,45,.11),transparent 70%),
  linear-gradient(180deg,#eef6f4,#f7faf9)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,95,99,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,95,99,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero__in{position:relative;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:48px;align-items:center;padding-top:52px;padding-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-dark);background:#fff;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:700;padding:5px 13px 5px 10px;margin-bottom:18px}
.eyebrow .ico{width:18px;height:18px;color:var(--warm)}
h1{font-size:50px;line-height:1.12;font-weight:800;letter-spacing:-.022em}
.hero__lead{color:#3c5155;font-size:18px;margin:18px 0 26px;max-width:33em}
.hero__act{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero__note{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;font-weight:600;max-width:17em;line-height:1.4}
.hero__note .ico{width:20px;height:20px;color:var(--accent)}
.hero__art{position:relative;margin:0}
.hero__art img{width:100%;height:auto}
.hero__art figcaption{position:absolute;right:6px;bottom:0;color:var(--muted);font-size:12px}
.hero__art img{animation:rise .7s ease-out both}

.steps{position:relative;padding-bottom:44px}
.steps__head{font-size:15px;font-weight:800;color:var(--accent-dark);margin:0 0 12px}
.steps ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.step{position:relative;display:flex;gap:14px;padding:22px 26px}
.step+.step{border-left:1px solid var(--line)}
.step+.step::before{content:"";position:absolute;left:-13px;top:50%;width:24px;height:24px;margin-top:-12px;border-radius:50%;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f5f63' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 7l5 5-5 5'/%3E%3C/svg%3E") center/18px no-repeat;border:1px solid var(--line)}
.step__n{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800}
.step div b{display:block;font-size:16px;line-height:1.3;margin-bottom:3px}
.step div span{display:block;color:var(--muted);font-size:14px;line-height:1.45}

.topics{padding-top:52px;padding-bottom:8px}
.topics__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.topic{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;color:var(--ink);text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s,transform .15s}
.topic:hover{border-color:var(--accent);color:var(--ink);box-shadow:var(--shadow-up);transform:translateY(-2px)}
.topic .ico-box{margin-bottom:14px}
.topic--warm .ico-box{background:var(--warm-tint);color:#a86a0d}
.topic b{display:block;font-size:16px;font-weight:700}
.topic>span:not(.ico-box){display:block;color:var(--muted);font-size:14px;line-height:1.45;margin-top:4px}

.docs{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding-top:48px;padding-bottom:64px}
.side{position:sticky;top:90px;align-self:start}
.side__title{color:var(--muted);font-size:13px;font-weight:700;margin-bottom:8px}
.side nav a{display:block;padding:7px 12px;margin-left:-12px;border-radius:7px;color:var(--ink);font-size:15px;font-weight:500;text-decoration:none}
.side nav a:hover{background:var(--accent-tint);color:var(--accent-dark)}

.search{position:relative;margin-bottom:34px}
.search label{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
.search .ico{position:absolute;left:16px;bottom:15px;color:var(--muted);width:20px;height:20px}
.search input{width:100%;height:50px;border:1px solid var(--line);border-radius:12px;background:var(--bg);padding:0 16px 0 46px;font:inherit;color:var(--ink);transition:border-color .15s,background .15s}
.search input:focus{outline:0;background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.search__empty{color:var(--muted);font-size:14px;margin-top:10px}

.sec{margin-bottom:44px;scroll-margin-top:84px}
.sec__head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.sec__head h2{margin:0}
h2{font-size:30px;line-height:1.22;font-weight:800;letter-spacing:-.014em;margin-bottom:14px}
.sec__lead{color:var(--muted);margin:-4px 0 14px}

details{background:var(--surface);border:1px solid var(--line);border-bottom-width:0;transition:background .15s}
details:first-of-type{border-radius:12px 12px 0 0}
details:last-of-type{border-bottom-width:1px;border-radius:0 0 12px 12px}
details:only-of-type{border-radius:12px}
details[open]{background:#fbfdfc}
summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 20px;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"";flex:none;width:9px;height:9px;margin-right:3px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translate(-2px,-2px);transition:transform .15s}
details[open] summary::after{transform:rotate(225deg) translate(-2px,-2px)}
summary:hover h3{color:var(--accent)}
h3{font-size:16px;line-height:1.4;font-weight:700}
.answer{padding:0 20px 18px;color:#2f4449}
.answer ol,.answer ul{padding-left:20px;margin-bottom:8px}
.answer li{margin-bottom:4px}
.answer li::marker{color:var(--accent);font-weight:700}

.nudge{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--accent-tint);border:1px solid #cfe2e1;border-radius:12px;padding:16px 20px;margin-top:16px}
.nudge p{font-weight:600;font-size:15px;line-height:1.45}
.nudge .btn{flex:none;font-size:15px;padding:11px 18px}

.dark{position:relative;overflow:hidden;background:linear-gradient(135deg,#0a3d40,#0f5f63 72%);color:#fff;padding:68px 0}
.dark::before{content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(127,224,200,.2),transparent 70%)}
.dark .wrap{position:relative}
.dark__text{max-width:880px}
.dark h2{font-size:36px}
.dark p{color:#d4e7e6;font-size:17px}
.flow{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin:34px 0}
.flow li{position:relative;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:16px 18px;font-weight:700}
.flow li span{display:block;color:#b9d6d5;font-size:13px;font-weight:500}
.flow .ico{width:28px;height:28px;color:var(--mint)}
.flow li+li::before{content:"";position:absolute;left:-34px;top:50%;width:28px;border-top:2px dashed rgba(127,224,200,.7)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid rgba(255,255,255,.18);padding-top:28px}
.stat{padding-right:20px}
.stat b{display:block;font-size:38px;line-height:1.15;font-weight:800;letter-spacing:-.02em}
.stat span{color:#c6dfde;font-size:14px}

.dl{background:var(--bg);padding:64px 0}
.dl__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}
.plat{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;color:var(--ink);text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s,transform .15s}
.plat:hover{color:var(--ink);border-color:var(--accent);box-shadow:var(--shadow-up);transform:translateY(-2px)}
.plat .ico-box{margin-bottom:14px}
.plat b{font-size:17px}
.plat>span:not(.ico-box){color:var(--muted);font-size:14px;margin-bottom:14px}
.plat em{margin-top:auto;display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:15px;font-weight:700;font-style:normal}
.plat em .ico{width:16px;height:16px}

.final{background:#fff;padding:64px 0}
.final__in{display:flex;align-items:center;justify-content:space-between;gap:32px;background:linear-gradient(120deg,#fdf3e2,#e4f0f0 75%);border:1px solid #e9dfc9;border-radius:18px;padding:40px 44px}
.final h2{margin-bottom:6px}
.final p{color:#3c5155;max-width:36em}
.final .btn{flex:none}

.foot{background:var(--bg);border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:22px 0}
.foot p+p{margin-top:4px}

.stick{display:none}

@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.anim .reveal{transform:translateY(14px);transition:transform .5s ease-out}
.anim .reveal.in{transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

@media (max-width:1040px){
  .hero__in{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
  h1{font-size:42px}
  .topics__grid,.dl__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .docs{grid-template-columns:1fr;gap:0;padding-top:40px}
  .side{display:none}
}
@media (max-width:720px){
  html{scroll-padding-top:70px}
  .wrap{padding:0 16px}
  .top__in{height:56px;gap:12px}
  .top__nav{display:none}
  .brand{font-size:16px}
  .top__login{font-size:14px;padding:7px 12px}
  .hero__in{grid-template-columns:1fr;gap:20px;padding-top:20px;padding-bottom:24px}
  .hero__art{max-width:300px;margin:0 auto}
  .eyebrow{margin-bottom:10px;font-size:12px}
  h1{font-size:30px}
  .hero__lead{font-size:15px;margin:10px 0 16px}
  .hero__act{gap:10px}
  .btn--lg{display:flex;width:100%;padding:14px 16px}
  .hero__note{max-width:none;font-size:13px}
  .steps{padding-bottom:28px}
  .steps ol{grid-template-columns:1fr}
  .step{padding:16px}
  .step+.step{border-left:0;border-top:1px solid var(--line)}
  .step+.step::before{left:26px;top:-12px;margin-top:0;transform:rotate(90deg)}
  .topics{padding-top:32px}
  .topics__grid,.dl__grid{gap:10px}
  .topic,.plat{padding:14px}
  .topic .ico-box,.plat .ico-box{width:40px;height:40px;margin-bottom:10px}
  .topic b{font-size:15px}
  .topic>span:not(.ico-box){font-size:13px}
  .docs{padding-top:32px;padding-bottom:40px}
  .sec{margin-bottom:36px}
  h2{font-size:24px}
  summary{padding:14px 16px}
  .answer{padding:0 16px 16px}
  .nudge{display:block;padding:16px}
  .nudge .btn{display:flex;margin-top:12px}
  .dark{padding:44px 0}
  .dark h2{font-size:26px}
  .dark p{font-size:16px}
  .flow{grid-template-columns:1fr;gap:20px;margin:24px 0}
  .flow li+li::before{left:34px;top:-20px;width:0;height:20px;border-top:0;border-left:2px dashed rgba(127,224,200,.7)}
  .stats{grid-template-columns:1fr 1fr;gap:20px 0;padding-top:22px}
  .stat b{font-size:26px;white-space:nowrap}
  .dl{padding:44px 0}
  .final{padding:32px 0 44px}
  .final__in{display:block;padding:24px 18px}
  .final .btn{margin-top:18px}
  body{padding-bottom:72px}
  .stick{display:block;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);transform:translateY(110%);visibility:hidden;transition:transform .2s,visibility .2s}
  .stick.on{transform:none;visibility:visible}
  .stick .btn{display:flex;width:100%;padding:12px 16px}
}