:root{
  color-scheme:dark;
  --bg:#121813;--bg-2:#172019;--card:#1a231c;--card-2:#1f2a21;
  --text:#eef3ea;--muted:#a1ad9c;--dim:#76836f;
  --lime:#bcfa75;--lime-ink:#172210;--line:#2b372d;--line-2:#3a4a3b;
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:4px;border-radius:8px}
img{display:block}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:32px}
.ic{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic.big{width:28px;height:28px;color:var(--lime)}

/* Header */
header{display:flex;align-items:center;gap:28px;height:84px;position:relative;z-index:2}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:-.6px}
.brand.small{font-size:18px;gap:9px}
.top-nav{display:flex;gap:28px;margin-left:auto;font-size:14px;color:var(--muted)}
.top-nav a:hover{color:var(--text)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-link{display:inline-flex;align-items:center;min-height:42px;padding:0 18px;border-radius:12px;font-size:14px;font-weight:650;background:var(--text);color:var(--bg)}
.header-link:hover{background:var(--lime)}
.lang{position:relative;display:inline-flex;align-items:center;color:var(--muted)}
.lang .ic{position:absolute;left:11px;width:16px;height:16px;pointer-events:none}
.language-select{appearance:none;-webkit-appearance:none;font:inherit;font-size:13px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:12px;min-height:42px;padding:0 12px 0 33px;cursor:pointer;max-width:150px}
.language-select:hover{color:var(--text);border-color:var(--line-2)}
.language-select option{background:var(--bg-2);color:var(--text)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 22px;border-radius:14px;font-size:15px;font-weight:700;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn .ic{width:18px;height:18px}
.btn.primary{background:var(--lime);color:var(--lime-ink)}
.btn.primary:hover{background:#d2ffa3}
.btn.ghost{border:1px solid var(--line-2);color:var(--text);background:#ffffff05}
.btn.ghost:hover{border-color:var(--lime);color:var(--lime)}
.text-link{color:var(--lime);text-decoration:underline;text-underline-offset:3px;text-decoration-color:#bcfa7566}
.text-link:hover{text-decoration-color:var(--lime)}

/* Hero */
.eyebrow{display:flex;align-items:center;gap:9px;font-size:11.5px;font-weight:750;letter-spacing:2px;color:var(--lime);margin:0 0 18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px #bcfa7522}
.hero{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.1fr);align-items:center;gap:56px;padding-block:64px 96px;position:relative}
.hero::before{content:"";position:absolute;right:0;top:0;width:60%;height:100%;background:radial-gradient(closest-side,#7fb34a26,transparent);z-index:-1;pointer-events:none}
h1{font-size:clamp(46px,6vw,80px);line-height:1.02;letter-spacing:-.045em;font-weight:850;margin:0 0 24px}
em{font-style:normal;color:var(--lime)}
.intro{font-size:18px;color:var(--muted);max-width:460px;margin:0 0 32px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.platforms{list-style:none;display:flex;flex-wrap:wrap;gap:20px;padding:0;margin:30px 0 0;color:var(--dim);font-size:13px}
.platforms li{display:flex;align-items:center;gap:7px}
.platforms .ic{width:17px;height:17px}

/* App mock */
.app{margin:0;min-width:0}
.app-window{display:grid;grid-template-columns:54px 168px minmax(0,1fr);height:430px;border:1px solid var(--line-2);border-radius:22px;overflow:hidden;background:var(--card);box-shadow:0 40px 80px -30px #000a,0 0 0 8px #ffffff06;font-size:13px}
.rail{background:#141c15;display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 0;border-right:1px solid var(--line)}
.rail i{font-style:normal;display:grid;place-items:center;width:34px;height:34px;border-radius:11px;font-size:11px;font-weight:800}
.rail-logo{background:url(/favicon.svg) center/contain no-repeat}
.rail-item.a{background:#35472b;color:var(--lime);box-shadow:-10px 0 0 -6px var(--lime)}
.rail-item.b{background:#3a3150;color:#d7c9ff}
.rail-item.c{border:1px dashed var(--line-2);color:var(--dim)}
.channels{display:flex;flex-direction:column;gap:2px;padding:16px 10px;background:#18201a;border-right:1px solid var(--line);min-width:0}
.ch-title{font-size:13.5px;padding:0 8px 12px;border-bottom:1px solid var(--line);margin-bottom:8px;white-space:nowrap}
.ch,.member{display:flex;align-items:center;gap:7px;padding:5px 8px;border-radius:8px;color:var(--muted);white-space:nowrap;overflow:hidden}
.ch.on{background:#ffffff0d;color:var(--text)}
.ch-label{font-size:10px;letter-spacing:1.4px;color:var(--dim);font-weight:700;padding:14px 8px 4px}
.voice-ch{color:var(--text)}
.voice-ch .ic{width:15px;height:15px;color:var(--lime)}
.member{padding-left:20px;font-size:12px}
.member .av{width:22px;height:22px;border-radius:7px;font-size:10px}
.member.talking .av{box-shadow:0 0 0 2px var(--bg-2),0 0 0 3.5px var(--lime)}
.av{font-style:normal;flex-shrink:0;display:grid;place-items:center;width:34px;height:34px;border-radius:11px;font-weight:800;color:#fff}
.av.m{background:#5f7a4a}.av.s{background:#62537d}.av.y{background:#3d5a6b}
.conv{display:flex;flex-direction:column;padding:14px 18px 16px;min-width:0}
.conv-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:16px}
.live{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:800;letter-spacing:.5px;color:#ff8f8f;background:#ff5c5c1a;border:1px solid #ff5c5c40;padding:2px 9px;border-radius:999px}
.live::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff6b6b}
@media(prefers-reduced-motion:no-preference){.live::before{animation:pulse 1.6s infinite}}
@keyframes pulse{50%{opacity:.3}}
.msg{display:flex;gap:11px;margin-bottom:14px}
.msg b{font-size:13px}
.msg small{font-weight:400;color:var(--dim);font-size:10.5px;margin-left:6px}
.msg p{margin:1px 0 0;color:#d9e2d4}
.stream{margin-top:2px;border:1px solid var(--line-2);border-radius:14px;padding:8px;background:#141b15}
.stream-screen{position:relative;height:92px;border-radius:9px;background:linear-gradient(135deg,#2c4a2a,#1b2c33 55%,#352a4a);overflow:hidden}
.stream-screen span{position:absolute;border-radius:5px;background:#ffffff14}
.stream-screen span:nth-child(1){left:10%;top:18%;width:36%;height:12px}
.stream-screen span:nth-child(2){left:10%;top:42%;width:22%;height:12px;background:#bcfa7540}
.stream-screen span:nth-child(3){right:9%;top:18%;width:30%;height:64%}
.stream small{display:block;color:var(--muted);font-size:11px;padding:6px 2px 0}
.composer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--dim);font-size:12.5px}
.composer .ic{width:16px;height:16px;color:var(--lime);transform:rotate(-45deg)}
.app figcaption{text-align:center;font-size:11px;color:var(--dim);margin-top:14px}

/* Sections */
section.features,section.download,section.faq{padding-block:72px}
.section-head{margin-bottom:36px}
h2{font-size:clamp(30px,3.6vw,44px);line-height:1.1;letter-spacing:-.03em;margin:0;font-weight:800}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.grid article,.dl{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--card);transition:border-color .2s,transform .2s}
.grid article:hover{border-color:var(--line-2);transform:translateY(-2px)}
h3{font-size:17px;letter-spacing:-.2px;margin:18px 0 8px}
.grid p,.dl p{margin:0;font-size:14px;color:var(--muted)}

.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.dl{display:flex;flex-direction:column;padding:28px}
.dl p{margin-bottom:24px}
.dl .btn{margin-top:auto;align-self:flex-start}
.dl small{display:block;margin-top:14px;font-size:12px;color:var(--dim);line-height:1.5}
.dl.featured{background:linear-gradient(160deg,#25331f,var(--card) 70%);border-color:#bcfa7533}

.faq-list{display:grid;gap:10px;max-width:820px}
details{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:0 22px}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:650;font-size:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;font-weight:400;color:var(--lime);line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 20px;color:var(--muted);font-size:15px}

.contact{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-block:24px 72px;padding:36px 40px;border:1px solid var(--line);border-radius:24px;background:var(--bg-2)}
.contact .eyebrow{margin-bottom:10px}
.contact h2{font-size:28px;margin-bottom:8px}
.contact p{margin:0;color:var(--muted);font-size:15px}

footer{display:flex;justify-content:space-between;gap:32px;padding-block:36px 44px;border-top:1px solid var(--line)}
footer p{font-size:12px;color:var(--dim);line-height:1.9;margin:14px 0 0}
footer nav{display:grid;grid-template-columns:repeat(2,auto);gap:10px 32px;align-content:start;font-size:13px;color:var(--muted)}
footer nav a:hover,.contact a:hover{color:var(--lime)}

/* Long translations */
html:not([lang="ru"]):not([lang="en"]) h1{font-size:clamp(38px,4.6vw,62px);letter-spacing:-.02em;overflow-wrap:anywhere}

@media(max-width:1020px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{grid-template-columns:1fr;gap:48px;padding-top:40px}
  .app{max-width:640px}
}
@media(max-width:860px){.top-nav{display:none}.header-actions{margin-left:auto}}
@media(max-width:760px){
  .wrap{padding-inline:18px}
  header{height:72px;gap:12px}
  .brand{font-size:20px}
  .brand img{width:32px;height:32px}
  .header-link{padding:0 14px}
  .language-select{max-width:118px;padding-right:8px}
  .hero{padding-block:24px 56px}
  .intro{font-size:16.5px}
  .cta .btn{flex:1 1 220px}
  .app-window{grid-template-columns:44px minmax(0,1fr);height:400px}
  .channels{display:none}
  .rail i{width:30px;height:30px}
  section.features,section.download,section.faq{padding-block:48px}
  .dl-grid{grid-template-columns:1fr}
  .grid{gap:10px}
  .grid article{padding:20px}
  .contact{flex-direction:column;align-items:flex-start;padding:28px 22px;margin-bottom:48px}
  footer{flex-direction:column}
  footer nav{grid-template-columns:1fr}
}
@media(max-width:480px){
  .grid{grid-template-columns:1fr}
  .lang .ic{display:none}
  .language-select{padding-left:10px;max-width:96px}
  .platforms{gap:14px}
}

/* Alignment fixes */
.contact.wrap{width:calc(100% - 64px);max-width:1116px;padding:36px 40px}
.contact .eyebrow{color:var(--lime)}
footer.wrap{border-top:0;background:linear-gradient(var(--line),var(--line)) top center/calc(100% - 64px) 1px no-repeat}
@media(min-width:1181px){footer.wrap{background-size:1116px 1px}}
.app-window{grid-template-columns:54px 186px minmax(0,1fr)}
@media(max-width:760px){
  .app-window{grid-template-columns:44px minmax(0,1fr)}
  .contact.wrap{width:calc(100% - 36px);padding:28px 22px}
  footer.wrap{background-size:calc(100% - 36px) 1px}
  .language-select{width:auto}
}
@media(max-width:480px){
  .grid article{display:grid;grid-template-columns:28px 1fr;column-gap:16px;padding:18px}
  .grid article .ic{grid-row:span 2}
  .grid article h3{margin:2px 0 4px}
}