:root{
  --bg1:#eaf7f3;
  --bg2:#eef2ff;
  --text:#0b1220;
  --muted:#667085;
  --card:rgba(255,255,255,.72);
  --stroke:rgba(15,23,42,.10);
  --shadow:0 18px 50px rgba(15,23,42,.10);
  --radius:22px;
  --accent:#2f6bff;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,Segoe UI,Roboto,Arial;}
body{
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(255,255,255,.75), transparent 60%),
              linear-gradient(135deg,var(--bg2),var(--bg1));
  min-height:100vh;
}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
.dot{margin:0 8px; color: rgba(15,23,42,.35)}

.container{max-width:1080px;margin:0 auto;padding:22px 18px 40px}

.topbar{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.55);
  border-bottom: 1px solid rgba(15,23,42,.06);
}
.topbar .brand{
  max-width:1080px;margin:0 auto;
  padding:16px 18px 10px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:12px;
}
.brand__title{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.brand__tag{font-size:14px; margin-top:6px}

.topbar__nav{
  max-width:1080px;margin:0 auto;
  padding:0 18px 14px;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
}

.navlink{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;
  border-radius:999px;
  color:rgba(15,23,42,.78);
  background: rgba(255,255,255,.35);
  border:1px solid rgba(15,23,42,.06);
}
.navlink.is-on{
  background: rgba(47,107,255,.10);
  border-color: rgba(47,107,255,.25);
  color: rgba(15,23,42,.92);
}

.lang{margin-left:auto; display:flex; gap:8px}
.chip{
  border:1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.55);
  padding:8px 10px;
  border-radius:999px;
  cursor:pointer;
  font-weight:700;
}
.chip.is-on{
  background: rgba(47,107,255,.12);
  border-color: rgba(47,107,255,.30);
}

.hero{padding:16px 0 8px}
.hero h1{margin:0;font-size:28px;letter-spacing:-.02em}
.hero p{margin:8px 0 0;line-height:1.5}

.section{margin-top:18px}
.section h2{margin:0 0 12px;font-size:20px;letter-spacing:-.01em}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
}
.grid--one{grid-template-columns: 1fr}

.card{
  background: var(--card);
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
}
.card__head{display:flex; gap:14px; align-items:flex-start}
.appicon{
  width:48px; height:48px; border-radius:12px;
  border:1px solid rgba(15,23,42,.12);
  background: rgba(255,255,255,.85);
  object-fit: cover;
}
.card__title .h3{font-size:18px;font-weight:900;margin:0 0 6px}
.card__actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(47,107,255,.22);
  background: rgba(47,107,255,.12);
  color: rgba(20,33,70,.95);
  font-weight:800;
  min-height:40px;
}
.btn:hover{filter:brightness(.98)}
.btn--ghost{
  background: rgba(255,255,255,.60);
  border-color: rgba(15,23,42,.10);
}
.btn--disabled{
  opacity:.55;
  pointer-events:none;
  background: rgba(15,23,42,.06);
  border-color: rgba(15,23,42,.08);
  color: rgba(15,23,42,.60);
}

.footerhint .callout{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;
  border-radius: 18px;
  border:1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.55);
}
.callout__title{font-weight:900}

.footer{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(15,23,42,.10);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  flex-wrap:wrap;
}
.footer__links{display:flex;align-items:center;gap:8px}

.prose h2{margin:10px 0 6px}
.prose p{margin:0 0 10px;line-height:1.6}

@media (max-width: 920px){
  .grid{grid-template-columns: repeat(2, minmax(0, 1fr));}
}
@media (max-width: 600px){
  .grid{grid-template-columns: 1fr;}
  .brand__title{font-size:24px}
  .hero h1{font-size:24px}
  .lang{margin-left:0}
}