:root{
  --bg:#0b0c10;
  --panel:#11151c;
  --panel-2:#171c26;
  --text:#f4ecdf;
  --muted:#b9ad9d;
  --gold:#f2c14e;
  --red:#d41f34;
  --red-2:#ff4d2d;
  --line:rgba(255,255,255,.08);
  --shadow:0 30px 80px rgba(0,0,0,.44);
}
*{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 20% 0%, rgba(242,193,78,.14), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(212,31,52,.18), transparent 30%),
    linear-gradient(180deg,#11151c 0%,#08090d 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.site-header,.site-footer,.section,.hero{position:relative;z-index:1}
.site-header{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:1rem;
  align-items:center;
  padding:1rem clamp(1rem,3vw,2.4rem);
  position:sticky;
  top:0;
  backdrop-filter:blur(14px);
  background:rgba(11,12,16,.78);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;gap:.8rem;align-items:center}
.brand-logo{width:154px}
.brand-kicker,.eyebrow{color:var(--gold);text-transform:uppercase;letter-spacing:.16em;font-size:.73rem}
.brand-copy{display:flex;flex-direction:column;gap:.2rem}
.header-nav{display:flex;flex-wrap:wrap;gap:.95rem;justify-content:center}
.header-nav a{color:var(--muted)}
.header-cta,.btn{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:.8rem 1.1rem;
  border-radius:999px;
  font-weight:700;
}
.header-cta,.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-2))}
.btn-secondary{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
main{padding:clamp(1rem,2vw,1.6rem)}
.hero,.section,.site-footer{
  max-width:1180px;
  margin:0 auto 1.15rem;
  border:1px solid rgba(255,255,255,.06);
  border-radius:28px;
  background:linear-gradient(180deg, rgba(17,21,28,.95), rgba(8,9,13,.96));
  box-shadow:var(--shadow);
}
.hero{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.2rem;
  padding:clamp(1.2rem,3vw,2rem);
}
.hero h1,.section h2{margin:.35rem 0 0;font-size:clamp(2rem,4vw,4rem);line-height:.94;letter-spacing:-.03em}
.hero-text,.section p,.compat-grid p,.support-card{color:var(--muted);line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.1rem 0 0}
.desktop-window{
  border-radius:26px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  padding:1rem;
  box-shadow:0 24px 60px rgba(0,0,0,.25);
}
.window-bar{
  display:flex;
  gap:.45rem;
  margin-bottom:.8rem;
}
.window-bar span{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,.25);
}
.desktop-window img{
  width:100%;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
}
.window-chip-row{display:flex;gap:.55rem;flex-wrap:wrap;margin-top:.9rem}
.window-chip-row span,.support-card,.step-card,.compat-grid article{
  padding:.55rem .8rem;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.window-note{
  display:flex;align-items:center;gap:.85rem;
  padding:.95rem 1rem;
  border-radius:22px;
  background:rgba(242,193,78,.09);
  border:1px solid rgba(242,193,78,.16);
}
.window-note img{width:42px;height:42px}
.section{padding:clamp(1.1rem,2.5vw,1.55rem)}
.section-head h2{font-size:clamp(1.45rem,2.8vw,2.4rem)}
.compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.compat-grid article{border-radius:22px;padding:1rem}
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:center}
.step-stack{display:grid;gap:.85rem}
.step-card{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:.4rem .8rem;
  align-items:start;
  border-radius:22px;
  padding:1rem;
}
.step-card span{
  grid-row:span 2;
  display:inline-flex;
  width:2rem;height:2rem;
  align-items:center;justify-content:center;
  border-radius:999px;
  background:rgba(212,31,52,.18);
  color:#fff;font-weight:800;
}
.step-card.active{background:linear-gradient(135deg, rgba(212,31,52,.12), rgba(255,255,255,.03))}
.section-visual img{width:100%;border-radius:22px;border:1px solid rgba(255,255,255,.08)}
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.support-card{display:flex;min-height:82px;align-items:center;justify-content:center;text-align:center}
.support-card.muted{color:var(--muted)}
.site-footer{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:center;
  padding:1.15rem 1.3rem;
}
.footer-links{display:flex;gap:1rem;flex-wrap:wrap}
.footer-links a{color:var(--gold)}
@media (max-width: 980px){
  .site-header,.hero,.compat-grid,.split-section,.support-grid,.site-footer{grid-template-columns:1fr;display:grid}
  .site-header{position:static}
  .header-nav{justify-content:flex-start}
}
@media (max-width: 640px){
  main{padding:.75rem}
  .brand-logo{width:130px}
  .hero h1{font-size:2rem}
  .hero-actions,.footer-links{gap:.65rem}
}