:root{
  --bg:#0b0b10;
  --panel:#11131a;
  --panel-2:#171a22;
  --text:#f5efe4;
  --muted:#b5a99a;
  --line:rgba(242,193,78,.16);
  --gold:#f2c14e;
  --gold-2:#ffcc66;
  --red:#d41f34;
  --red-2:#ff4d2d;
  --shadow:0 30px 80px rgba(0,0,0,.42);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top, rgba(212,31,52,.18), transparent 32%),
    linear-gradient(180deg,#11131a 0%,#09090d 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 85%);
}
.site-header,.site-footer,.section,.hero{position:relative;z-index:1}
.site-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem clamp(1rem,3vw,2.5rem);
  backdrop-filter:blur(16px);
  background:rgba(8,9,13,.72);
  border-bottom:1px solid rgba(255,255,255,.06);
  position:sticky;
  top:0;
}
.brand{display:flex;align-items:center;gap:.9rem;min-width:0}
.brand-logo{width:164px;flex:none}
.brand-copy{display:flex;flex-direction:column;gap:.2rem;min-width:0}
.brand-kicker,.eyebrow{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.brand-copy strong{font-size:.95rem;color:var(--text)}
.header-nav{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}
.header-nav a{color:var(--muted);font-size:.95rem}
.header-cta,.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:.82rem 1.1rem;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
}
.header-cta,.btn-primary{
  background:linear-gradient(135deg,var(--red),var(--red-2));
  box-shadow:0 16px 30px rgba(255,77,45,.2);
}
.header-cta{white-space:nowrap}
.btn-secondary{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
main{padding:clamp(1rem,2vw,1.75rem)}
.hero,.section,.footer-download{
  max-width:1180px;
  margin:0 auto 1.25rem;
  border:1px solid rgba(255,255,255,.06);
  border-radius:28px;
  background:linear-gradient(180deg, rgba(17,19,26,.94), rgba(10,11,16,.96));
  box-shadow:var(--shadow);
}
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
  gap:1.25rem;
  padding:clamp(1.25rem,3vw,2rem);
  overflow:hidden;
}
.hero-backdrop{
  position:absolute;
  inset:auto -8% -10% auto;
  width:42%;
  height:70%;
  border-radius:50%;
  background:radial-gradient(circle, rgba(242,193,78,.22), transparent 68%);
  filter:blur(20px);
}
.hero-copy,.hero-visual{position:relative;z-index:1}
.hero h1,.section h2{margin:.35rem 0 0;font-size:clamp(2rem,4vw,4.1rem);line-height:.95;letter-spacing:-.03em}
.hero-text,.section p{color:var(--muted);line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin:1.25rem 0}
.trust-row{display:flex;flex-wrap:wrap;gap:.65rem}
.trust-row span,.chip{
  padding:.42rem .75rem;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:#ebdcc1;
  font-size:.88rem;
}
.hero-visual{display:grid;gap:1rem;align-content:center}
.visual-frame{
  overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
}
.visual-banner img{width:100%;height:240px;object-fit:cover}
.visual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}
.platform-card,.device-card,.qa-grid details{
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  padding:1rem;
}
.platform-card{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:.45rem;
  min-height:170px;
  cursor:pointer;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.platform-card img{width:44px;height:44px;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(0,0,0,.3))}
.platform-card span,.mini-link,.muted{color:var(--muted);font-size:.93rem}
.platform-card.is-active{border-color:rgba(242,193,78,.55);background:linear-gradient(180deg, rgba(242,193,78,.14), rgba(255,255,255,.03))}
.section{padding:clamp(1.1rem,2.5vw,1.6rem)}
.section-head{margin-bottom:1rem}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.4rem)}
.device-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.device-card h3{margin:.7rem 0 .45rem;font-size:1.22rem}
.device-card p,.section-copy p{margin:0}
.device-card.active{border-color:rgba(212,31,52,.55);background:linear-gradient(180deg, rgba(212,31,52,.12), rgba(255,255,255,.03))}
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:center}
.section-visual img{
  width:100%;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
}
.check-list{margin:1rem 0 0;padding-left:1.1rem;color:var(--text)}
.check-list li{margin:.55rem 0;color:#e9dbc7}
.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
details summary{cursor:pointer;font-weight:700;list-style:none}
details summary::-webkit-details-marker{display:none}
details p{margin:.75rem 0 0;color:var(--muted)}
.site-footer{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:center;
  padding:1.2rem 1.4rem;
}
.footer-links{display:flex;gap:1rem;flex-wrap:wrap}
.footer-links a{color:var(--gold)}
@media (max-width: 980px){
  .site-header,.hero,.split-section,.device-picker,.qa-grid,.site-footer{grid-template-columns:1fr;display:grid}
  .site-header{position:static}
  .header-nav{justify-content:flex-start}
  .hero{grid-template-columns:1fr}
  .visual-grid,.device-picker,.qa-grid,.split-section{grid-template-columns:1fr}
  .site-footer{align-items:flex-start}
}
@media (max-width: 640px){
  main{padding:.75rem}
  .brand-logo{width:132px}
  .hero h1{font-size:2rem}
  .hero-actions,.site-footer,.header-nav{gap:.65rem}
  .visual-banner img{height:200px}
}