:root{
  --bg:#0b0c10;
  --panel:#11131a;
  --muted:#171a24;
  --text:#f3f5ff;
  --sub:#b7bfd6;
  --line:rgba(255,255,255,.12);
  --radius:20px;
  --shadow:0 14px 40px rgba(0,0,0,.35);

  --container: 1160px;
  --gutter: 16px;

  --btn:#28d6c7;
  --btnText:#061016;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
}

img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
a:hover{opacity:.9}

.container{
  width:min(var(--container), 100% - (var(--gutter) * 2));
  margin-inline:auto;
}

.skip{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left:16px; top:16px; width:auto; height:auto;
  background:#fff; color:#000; padding:8px 12px; border-radius:10px;
  z-index:9999;
}

.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(11,12,16,.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; gap:14px;
  padding:12px 0;
}
.brand{font-weight:800; letter-spacing:.5px}
.nav{display:none; gap:16px; margin-left:auto}
.topbar__cta{margin-left:auto}

.btn{
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  padding:10px 14px;
  border-radius:999px;
  cursor:pointer;
  font-weight:700;
}
.btn--primary{
  background:var(--btn);
  color:var(--btnText);
  border-color:transparent;
}
.btn--ghost{background:transparent}
.btn:active{transform:translateY(1px)}

.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero__bg{
  position:absolute; inset:0;
  background:
    radial-gradient(60% 60% at 20% 20%, rgba(40,214,199,.25), transparent 60%),
    linear-gradient(to bottom, rgba(0,0,0,.35), rgba(0,0,0,.85)),
    url("assets/hero-max.jpg") center/cover no-repeat;
  filter:saturate(1.05);
}
.hero__inner{
  position:relative;
  display:grid;
  gap:18px;
  padding:38px 0 26px;
}
.hero__title{
  margin:0 0 6px;
  font-size:38px;
  line-height:1.05;
}
.hero__lead{margin:0 0 14px; color:var(--sub); max-width:48ch}
.hero__actions{display:flex; gap:10px; flex-wrap:wrap}
.hero__chips{
  display:flex; flex-wrap:wrap; gap:8px;
  list-style:none; padding:0; margin:14px 0 0;
}
.hero__chips li{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  padding:8px 10px;
  border-radius:999px;
  font-size:13px;
}
.hero__media{
  display:none;
}

.section{padding:32px 0}
.section--muted{background:linear-gradient(180deg, transparent, rgba(255,255,255,.03))}
.section__head{margin-bottom:14px}
.section__title{margin:0 0 6px; font-size:24px}
.section__sub{margin:0; color:var(--sub)}

.tabs{
  display:flex;
  gap:8px;
  overflow:auto;
  padding:10px 0 14px;
  -webkit-overflow-scrolling: touch;
}
.tabs__btn{
  flex:0 0 auto;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  padding:10px 12px;
  border-radius:999px;
  cursor:pointer;
  font-weight:700;
  white-space:nowrap;
}
.tabs__btn.is-active{
  background:rgba(40,214,199,.18);
  border-color:rgba(40,214,199,.5);
}

.panel{
  display:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}
.panel.is-active{display:block}
.panel__grid{display:grid; gap:14px}
.panel__title{margin:0 0 6px; font-size:22px}
.panel__desc{margin:0 0 12px; color:var(--sub)}

.bullet{
  margin:0;
  padding-left:18px;
  color:var(--text);
}
.bullet li{margin:6px 0; color:var(--sub)}
.bullet li::marker{color:rgba(40,214,199,.9)}

.panel__cards{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:10px;
}
.card--media{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:16px;
  overflow:hidden;
  aspect-ratio: 4 / 5;
}
.card--media img{width:100%; height:100%; object-fit:cover}

.features{
  display:grid;
  gap:10px;
  margin-top:14px;
}
.feature{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius);
  padding:14px;
}
.feature__icon{font-size:22px}
.feature__title{margin:8px 0 4px; font-size:16px}
.feature__text{margin:0; color:var(--sub)}

.cta{
  margin-top:18px;
  border:1px solid rgba(40,214,199,.28);
  background:linear-gradient(135deg, rgba(40,214,199,.10), rgba(255,255,255,.02));
  border-radius:var(--radius);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cta__title{margin:0 0 4px}
.cta__text{margin:0; color:var(--sub)}
.cta__actions{display:flex; gap:10px; flex-wrap:wrap}

.footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:rgba(255,255,255,.7);
}
.footer__inner{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.footer__note{color:rgba(255,255,255,.5)}

@media (min-width: 768px){
  :root{ --gutter: 22px; }
  .nav{display:flex}
  .topbar__cta{margin-left:0}

  .hero__inner{
    grid-template-columns: 1.1fr .9fr;
    align-items:center;
    padding:56px 0 38px;
  }
  .hero__title{font-size:54px}
  .hero__media{display:block}
  .hero__media img{
    border-radius:24px;
    border:1px solid var(--line);
    box-shadow:var(--shadow);
  }

  .panel{padding:20px}
  .panel__grid{grid-template-columns: 1.1fr .9fr; align-items:start}
  .panel__cards{grid-template-columns: repeat(2, 1fr)}
  .features{grid-template-columns: repeat(2, 1fr)}
  .footer__inner{flex-direction:row; justify-content:space-between; align-items:center}
}

@media (min-width: 1024px){
  .panel__cards{grid-template-columns: repeat(4, 1fr)}
  .features{grid-template-columns: repeat(3, 1fr)}
}