:root{
  --bg0:#05010f;
  --bg1:#090318;

  --txt: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);

  --violet:#8b5cff;
  --blue:#2a7bff;
  --cyan:#2ef5ff;
  --yellow:#ffd400;

  --stroke: rgba(255,255,255,.12);
  --card: rgba(255,255,255,.06);

  --shadow: 0 20px 80px rgba(0,0,0,.55);

  --r12: 12px;
  --r16: 16px;
  --r20: 20px;

  --max: 1180px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: "Space Grotesk", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--txt);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(139,92,255,.25), transparent 55%),
    radial-gradient(900px 650px at 85% 20%, rgba(42,123,255,.22), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

.skip{
  position:absolute; left:-9999px; top:auto;
  background:#000; color:#fff; padding:10px 12px; border-radius:10px;
}
.skip:focus{ left:16px; top:16px; z-index:9999; }

.sr-only{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.bg{ position:fixed; inset:0; pointer-events:none; z-index:-1; }
.bg__grid{
  position:absolute; inset:-20%;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: rotate(-10deg);
  opacity:.18;
}
.bg__glow{ position:absolute; filter: blur(40px); opacity:.8; mix-blend-mode:screen; }
.bg__glow--a{ width:520px; height:520px; left:-120px; top:120px; background:rgba(139,92,255,.45); }
.bg__glow--b{ width:520px; height:520px; right:-140px; top:40px; background:rgba(42,123,255,.45); }
.bg__stars{
  position:absolute; inset:0;
  background-image:
    radial-gradient(2px 2px at 10% 25%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1px 1px at 30% 70%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 60% 30%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(2px 2px at 85% 65%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1px 1px at 50% 85%, rgba(255,255,255,.35), transparent 60%);
  opacity:.35;
}

.header{
  position:sticky; top:0; z-index:20;
  background: linear-gradient(180deg, rgba(5,1,15,.86), rgba(5,1,15,.55));
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:18px; }

.brand{ display:flex; align-items:center; }
.brand__logo{ height:38px; width:auto; display:block; }

.nav{ display:flex; gap:16px; }
.nav__link{
  padding:10px 10px;
  color:rgba(255,255,255,.75);
  border-radius:10px;
}
.nav__link:hover{ background: rgba(255,255,255,.06); color:rgba(255,255,255,.92); }

.header__cta{ display:flex; align-items:center; gap:10px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius: 14px;
  padding: 11px 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.9);
  font-weight: 800;
  letter-spacing:.2px;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.08); }
.btn:active{ transform: translateY(0px); }

.btn--primary{
  background: linear-gradient(180deg, rgba(255,212,0,1), rgba(255,166,0,1));
  color:#1b1400;
  border-color: rgba(255,212,0,.85);
  box-shadow: 0 18px 40px rgba(255, 212, 0, .22);
}
.btn--ghost{ background: rgba(255,255,255,.04); }

.burger{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
}
.burger span{
  display:block; width:18px; height:2px;
  background: rgba(255,255,255,.82);
  margin:4px auto; border-radius:3px;
}

.mobile-nav{
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(5,1,15,.68);
  backdrop-filter: blur(14px);
}
.mobile-nav__inner{ padding:14px 0 18px; display:grid; gap:8px; }
.mobile-nav__link{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color:rgba(255,255,255,.85);
}
.mobile-nav__cta{ display:flex; gap:10px; margin-top:8px; }

.hero{ padding: 46px 0 22px; }
.hero__grid{ display:grid; grid-template-columns: 1.1fr .9fr; align-items:center; gap: 26px; }
.chip{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.78);
  margin:0 0 12px;
}
h1{
  margin:0 0 10px;
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.05;
  letter-spacing: -.6px;
}
.lead{ margin:0 0 18px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.6; }

.hero__cta{ display:flex; gap:10px; flex-wrap:wrap; }

.trust-row{ display:flex; gap:14px; margin-top:18px; flex-wrap:wrap; }
.trust-row__item{ display:flex; align-items:center; gap:10px; color:rgba(255,255,255,.72); font-weight:700; font-size:14px; }

.dot{ width:10px; height:10px; border-radius:999px; display:inline-block; box-shadow: 0 0 18px currentColor; }
.dot--green{ color:#38ffb4; background:#38ffb4; }
.dot--blue{ color:var(--cyan); background:var(--cyan); }
.dot--yellow{ color:var(--yellow); background:var(--yellow); }

.quickfacts{
  margin-top: 16px;
  display:flex; gap:10px; flex-wrap:wrap;
}
.qf{
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
}
.qf__k{ display:block; font-size:12px; color: rgba(255,255,255,.62); }
.qf__v{ display:block; font-weight:900; margin-top:2px; }

.hero__media, .media-card { position: relative; }

.media-card{
  border-radius: var(--r20);
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.media-card__top{ display:flex; justify-content:space-between; align-items:center; padding: 12px 12px 0; }
.media-pill{
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color:rgba(255,255,255,.78);
  font-size: 12px;
  font-weight:800;
}
.media-pill--live{ border-color: rgba(255,212,0,.45); }
.pulse{
  width:8px; height:8px; border-radius:999px; background:var(--yellow);
  display:inline-block; margin-right:6px;
  box-shadow: 0 0 0 0 rgba(255,212,0,.65);
  animation: pulse 1.3s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(255,212,0,.55); }
  70%{ box-shadow: 0 0 0 10px rgba(255,212,0,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,212,0,0); }
}

.media-figure{ margin:12px; }
.media-img{
  width:100%;
  height:auto;
  display:block;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
}

.activity__grid{
  grid-template-columns: 1fr;
}


.activity__grid > *{ min-width: 0; }

.sidecard__list[data-vertical-feed]{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sidecard__list[data-vertical-feed] .vitem{
  min-width: 0;
}

@media (max-width: 980px){
  .sidecard__list[data-vertical-feed]{
    grid-template-columns: 1fr;
  }
}

.media-card__bottom{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 0 12px 14px;
}
.mini-stat{
  padding:10px 10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
}
.mini-stat__k{ display:block; font-size:12px; color: rgba(255,255,255,.62); }
.mini-stat__v{ display:block; font-weight:900; margin-top:2px; }

.floating-badges{ position:absolute; inset:auto 0 0 auto; pointer-events:none; }
.badge{
  position:absolute; right:1px;
  padding:10px 12px;
  border-radius: 999px;
  font-weight:900;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}
.badge--a{ top:44px; transform: rotate(3deg); color: var(--yellow); }
.badge--b{ top:92px; transform: rotate(-2deg); color: rgba(46,245,255,.9); }
.badge--c{ top:140px; transform: rotate(2deg); color: rgba(139,92,255,.9); }

.section{ padding: 52px 0; }
.section--tight{ padding: 24px 0 34px; }
.h2{
  margin:0 0 10px;
  font-family:"Montserrat", system-ui, sans-serif;
  letter-spacing:-.4px;
}
.muted{ color: var(--muted); }
.fineprint{ font-size:12px; color: rgba(255,255,255,.62); margin:10px 0 0; }

.cards{ display:grid; gap: 14px; }
.cards--3{ grid-template-columns: repeat(3, 1fr); }
.cards--2{ grid-template-columns: repeat(2, 1fr); }
.card{
  padding: 16px 16px;
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: 0 18px 60px rgba(0,0,0,.25);
}
.card__label{ color: rgba(255,255,255,.72); font-weight:800; font-size:13px; }
.big{ margin:10px 0 0; font-size: 36px; font-weight: 900; font-family:"Montserrat", system-ui, sans-serif; letter-spacing:-.6px; }

.capabilities{
  margin-top: 14px;
  display:flex; flex-wrap:wrap; gap:10px;
}
.cap{
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.78);
  font-weight:800;
  font-size:13px;
}

.activity{ padding: 18px 0 40px; }
.activity__grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 14px;
  align-items:start;
}
.activity__head{
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom: 10px;
}
.activity__title{ font-weight: 900; letter-spacing:.2px; }
.activity__online{
  color: rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  padding:8px 10px;
  border-radius:999px;
  font-size:13px;
}

.ticker{
  display:flex; align-items:center;
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--r16);
  background: rgba(0,0,0,.22);
  overflow:hidden;
}
.ticker__label{
  flex:0 0 auto;
  padding: 12px 14px;
  border-right:1px solid rgba(255,255,255,.08);
  font-weight:900;
  display:flex; align-items:center; gap:10px;
}
.ticker__track{ width:100%; overflow:hidden; }
.ticker__row{ display:flex; gap:10px; padding: 12px 14px; will-change: transform; }
.tick{
  flex:0 0 auto;
  padding: 9px 12px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.8);
  font-weight:900;
  font-size: 13px;
}
.tick b{ color: var(--yellow); font-weight: 900; }

.rounds{
  margin-top: 12px;
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--r16);
  background: rgba(0,0,0,.18);
  padding: 12px 12px;
}
.rounds__head{ display:flex; justify-content:space-between; align-items:baseline; gap:10px; }
.rounds__title{ font-weight: 900; }
.rounds__note{ color: rgba(255,255,255,.6); font-size: 12px; }
.rounds__list{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 10px; }
.round-chip{
  padding:8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  font-weight:900;
  font-size: 13px;
}
.round-chip.is-low{ color: rgba(255,255,255,.85); }
.round-chip.is-mid{ color: rgba(46,245,255,.9); }
.round-chip.is-high{ color: var(--yellow); }

.sidecard{
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: radial-gradient(600px 250px at 20% 10%, rgba(139,92,255,.18), transparent 60%),
              radial-gradient(600px 250px at 80% 90%, rgba(42,123,255,.18), transparent 60%),
              rgba(0,0,0,.18);
  box-shadow: var(--shadow);
  padding: 14px 14px;
  margin-bottom: 12px;
}
.sidecard__head{ display:flex; justify-content:space-between; align-items:baseline; gap:10px; }
.sidecard__title{ font-weight: 900; }
.sidecard__sub{ color: rgba(255,255,255,.6); font-size: 12px; }
.sidecard__list{ margin-top: 10px; display:grid; gap:10px; }
.vitem{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
  font-size: 13px;
}
.vitem__l{ display:flex; flex-direction:column; gap:2px; }
.vitem__name{ font-weight: 900; }
.vitem__meta{ color: rgba(255,255,255,.62); font-size:12px; }
.vitem__r{ text-align:right; }
.vitem__x{ font-weight: 900; color: var(--yellow); }
.vitem__win{ color: rgba(255,255,255,.85); font-weight: 800; }

.feature-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.feature{
  padding: 16px 16px;
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
}
.feature__k{ font-weight: 900; margin-bottom: 8px; }
.feature p{ margin:0; color: rgba(255,255,255,.72); line-height:1.55; }

.image-strip{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.image-slot{
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  overflow:hidden;
  display:block;
}
.image-slot img{ width:100%; height:auto; display:block; }

.split{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items:start;
}
.panel{
  padding: 16px 16px;
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  box-shadow: var(--shadow);
}
.panel__title{ font-weight: 900; }
.panel__img{
  margin-top: 12px;
  width:100%;
  height:auto;
  display:block;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
}

.demo-embed{
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  overflow:hidden;
  box-shadow: var(--shadow);

  /* ключ: правильный размер */
  aspect-ratio: 16 / 9;
  min-height: 420px;
}

.demo-embed iframe{
  width:100%;
  height:100%;
  border:0;
  display:block;
}

.demo-controls{
  margin-top: 10px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

@media (max-width: 980px){
  .demo-embed{ min-height: 360px; }
}
@media (max-width: 560px){
  .demo-embed{
    aspect-ratio: 9 / 16;   /* на телефоне часто лучше “портрет” */
    min-height: 520px;
  }
}

.panel__img_mobile{
  margin-top: 12px;
  width:70%;
  height:auto;
  display:block;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
}

.bullets{ margin: 12px 0 0; padding: 0; list-style: none; display:grid; gap:10px; }
.bullets li{
  padding-left: 28px;
  position:relative;
  color: rgba(255,255,255,.78);
  line-height:1.55;
}
.bullets li::before{
  content:"";
  position:absolute; left:0; top:.44em;
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(180deg, rgba(255,212,0,1), rgba(255,166,0,1));
  box-shadow: 0 0 18px rgba(255,212,0,.25);
}

.steps{
  margin: 14px 0 0;
  padding: 0;
  list-style:none;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.steps li{
  padding: 14px 14px;
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  color: rgba(255,255,255,.8);
}
.step__n{
  display:inline-grid; place-items:center;
  width:28px; height:28px;
  border-radius: 12px;
  margin-right: 10px;
  background: rgba(139,92,255,.22);
  border:1px solid rgba(139,92,255,.35);
  font-weight:900;
}

.chart{
  margin-top: 12px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  overflow:hidden;
}

.tabs{ display:flex; flex-wrap:wrap; gap:8px; margin: 12px 0; }
.tab{
  border-radius: 999px;
  padding: 9px 12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.82);
  font-weight: 900;
  cursor:pointer;
}
.tab.is-active{
  background: rgba(255,212,0,.12);
  border-color: rgba(255,212,0,.30);
  color: rgba(255,255,255,.92);
}

.table-wrap{
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  overflow:auto;
}
.table{ width:100%; border-collapse: collapse; min-width: 760px; }
.table th, .table td{
  padding: 12px 14px;
  border-bottom:1px solid rgba(255,255,255,.08);
  text-align:left;
}
.table th{
  font-size:12px;
  letter-spacing:.6px;
  text-transform:uppercase;
  color: rgba(255,255,255,.72);
  background: rgba(255,255,255,.03);
}

.demo{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 14px;
  align-items:stretch;
}
.demo__box{
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  min-height: 360px;
  overflow:hidden;
}
.demo__hint{ margin-top: 8px; font-size: 12px; }
.demo__title{ font-weight: 900; margin: 6px 0 10px; }
.demo__cta{ margin-top: 14px; display:flex; gap:10px; flex-wrap:wrap; align-items:center; }

.award-list{ display:grid; gap: 12px; margin-top: 12px; }
.award{
  display:flex; gap:12px; align-items:center;
  padding: 12px 12px;
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.award__badge{
  width:62px; height:44px; border-radius: 14px;
  display:grid; place-items:center;
  border:1px solid rgba(255,212,0,.35);
  background: rgba(255,212,0,.10);
  color: var(--yellow);
  font-weight: 900;
}
.award__title{ font-weight: 900; }

.reviews{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.review{
  padding: 16px 16px;
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.review__top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.review__name{ font-weight: 900; }
.review__stars{ color: var(--yellow); letter-spacing: 1px; }
.review p{ margin:0; color: rgba(255,255,255,.78); line-height:1.55; }

.faq{ margin-top: 12px; display:grid; gap: 10px; }
.faq__item{
  border-radius: var(--r16);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  overflow:hidden;
}
.faq__q{
  width:100%;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  padding: 14px 14px;
  cursor:pointer;
  background: transparent;
  border:0;
  color: rgba(255,255,255,.92);
  font-weight: 900;
  text-align:left;
}
.faq__icon{
  width:18px; height:18px;
  border-radius: 8px;
  border:1px solid rgba(255,255,255,.18);
  position:relative;
}
.faq__icon::before, .faq__icon::after{
  content:""; position:absolute; left:50%; top:50%;
  width:10px; height:2px; background: rgba(255,255,255,.8);
  transform: translate(-50%,-50%);
  border-radius: 2px;
}
.faq__icon::after{
  width:2px; height:10px;
}
.faq__item.is-open .faq__icon::after{ opacity:0; }

.faq__a{
  padding: 0 14px 14px;
  color: rgba(255,255,255,.78);
  line-height:1.6;
}

.cta-bar{
  margin-top: 16px;
  border-radius: var(--r20);
  border:1px solid rgba(255,255,255,.12);
  background: radial-gradient(700px 240px at 20% 20%, rgba(139,92,255,.20), transparent 60%),
              radial-gradient(700px 240px at 80% 80%, rgba(42,123,255,.20), transparent 60%),
              rgba(0,0,0,.18);
  box-shadow: var(--shadow);
  padding: 14px 14px;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
}
.cta-bar__t{ font-weight: 900; }
.cta-bar__s{ color: rgba(255,255,255,.68); font-size: 13px; margin-top: 2px; }
.cta-bar__btns{ display:flex; gap:10px; flex-wrap:wrap; }

.footer{
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.22);
  padding: 26px 0;
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.2fr .6fr 1.2fr;
  gap: 16px;
  align-items:start;
}
.footer__logo{ height:38px; width:auto; display:block; }
.footer__links{ display:grid; gap:8px; }
.footer__links a{ color: rgba(255,255,255,.74); }
.footer__links a:hover{ color: rgba(255,255,255,.92); }

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: repeat(2, 1fr); }
  .cards--3{ grid-template-columns: 1fr; }
  .cards--2{ grid-template-columns: 1fr; }
  .reviews{ grid-template-columns: repeat(2, 1fr); }
  .demo{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .burger{ display:inline-block; }
  .activity__grid{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .image-strip{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .reviews{ grid-template-columns: 1fr; }
  .cta-bar{ flex-direction:column; align-items:flex-start; }
}

.activity__grid > * { min-width: 0; }  /* main и aside */