:root{
  --fg:#0a0a0a;
  --muted:#6b7280;
  --bg:#ffffff;
  --line:#f3f4f6;
  --accent:#3b82f6;
  --accent-hover:#2563eb;
  --card:#fafafa;
  --card-hover:#f5f5f5;
}

/* ==== Hero banner minimal ==== */
:root{
  --grad-a:#0f172a; /* premium/serene */
  --grad-b:#1f2937;
}
.hero{
  position:relative;
  margin-top:12px;
  background:linear-gradient(140deg,var(--grad-a),var(--grad-b));
  color:#fff;
  border-radius:20px;
  padding:28px;
  overflow:visible;
  box-shadow:0 12px 40px rgba(0,0,0,.15);
}
.hero__pill{
  display:inline-block;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  color:#e5e7eb;
  font-weight:700;
  font-size:12px;
  letter-spacing:.3px;
}
.hero h2{
  margin:8px 0 6px;
  font-size:28px;
  line-height:1.2;
  letter-spacing:-0.6px;
  color:#fff;
}
.hero p{color:#cbd5e1;margin:0 0 14px}
.hero__actions{display:flex;gap:10px;flex-wrap:wrap}
.btn--light{background:#fff;color:#0f172a}
.btn--light:hover{background:var(--accent);color:#fff}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.hero__deco{
  position:absolute;inset:-60px -20px auto auto;
  width:420px;height:220px;pointer-events:none;filter:blur(10px);transform:rotate(-12deg);
  background:
    radial-gradient(closest-side,rgba(96,165,250,.35),rgba(96,165,250,0) 65%),
    radial-gradient(closest-side,rgba(147,197,253,.25),rgba(147,197,253,0) 60%),
    radial-gradient(closest-side,rgba(59,130,246,.25),rgba(59,130,246,0) 55%);
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:0.6;
}
@media(max-width:768px){
  .hero{padding:22px;border-radius:16px}
  .hero h2{font-size:22px}
  .hero__deco{width:280px;height:180px;inset:auto -40px -40px auto}
}
@media(prefers-reduced-motion:reduce){
  .hero__deco{transform:none}
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  margin:0;
  font:16px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--fg);
  background:#ffffff;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  background:var(--bg);
}
header{
  position:relative;
  padding:60px 0 40px;
  border-bottom:1px solid var(--line);
  margin-bottom:60px;
}
.header-content{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
h1{
  margin:0 0 12px;
  font-size:42px;
  font-weight:700;
  letter-spacing:-1px;
  color:var(--fg);
  line-height:1.1;
}
.subtitle{
  color:var(--muted);
  font-size:18px;
  font-weight:400;
  margin-top:8px;
}
.lang{
  display:flex;
  gap:6px;
  margin-top:8px;
}
.lang button{
  border:none;
  background:transparent;
  color:var(--muted);
  padding:8px 12px;
  border-radius:6px;
  cursor:pointer;
  font-weight:500;
  font-size:14px;
  transition:all 0.2s ease;
}
.lang button:hover{
  background:var(--card);
  color:var(--fg);
}
.lang button.active{
  background:var(--fg);
  color:#fff;
}
.home header{position:relative}
.home header .lang{position:absolute;top:24px;right:24px}
.home header .top-links{position:absolute;top:24px;right:180px}
.lang-nav{
  display:flex;
  gap:6px;
  margin-top:8px;
}
.lang-nav a{
  border:none;
  background:transparent;
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:6px;
  font-weight:500;
  font-size:14px;
  transition:all 0.2s ease;
}
.lang-nav a:hover{
  background:var(--card);
  color:var(--fg);
}
.lang-nav a.active{
  background:var(--fg);
  color:#fff;
}
.page-nav{
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:16px 24px;
  margin-bottom:40px;
}
.page-nav-content{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.page-nav a{
  color:var(--muted);
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  transition:color 0.2s ease;
}
.page-nav a:hover{
  color:var(--fg);
}
.page-nav .divider{
  color:var(--line);
}
.page-content{
  max-width:900px;
  margin:0 auto;
  padding:0 24px 80px;
  line-height:1.8;
}
.page-content article{
  color:var(--fg);
}
.page-content h1{
  font-size:36px;
  margin-bottom:24px;
  line-height:1.2;
}
.page-content h2{
  font-size:28px;
  margin-top:48px;
  margin-bottom:16px;
  line-height:1.3;
}
.page-content h3{
  font-size:20px;
  margin-top:32px;
  margin-bottom:12px;
}
.page-content p{
  margin:12px 0;
}
.page-content ul, .page-content ol{
  margin:12px 0;
  padding-left:24px;
}
.page-content li{
  margin:8px 0;
}
.page-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
}
.page-content table th, .page-content table td{
  border:1px solid var(--line);
  padding:12px;
  text-align:left;
}
.page-content table th{
  background:var(--card);
  font-weight:600;
}
.top-links{
  position:absolute;
  top:24px;
  right:24px;
  display:flex;
  gap:16px;
}
.top-links a{
  color:var(--muted);
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  transition:color 0.2s ease;
}
.top-links a:hover{
  color:var(--fg);
}
main{
  padding:0 0 80px;
}
h2{
  margin:0 0 32px;
  font-size:28px;
  font-weight:700;
  letter-spacing:-0.5px;
  color:var(--fg);
}
.section{
  margin-bottom:80px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:32px;
}
.card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:16px;
  padding:40px 32px;
  text-align:center;
  transition:all 0.3s ease;
  position:relative;
}
.card:hover{
  border-color:#e5e7eb;
  box-shadow:0 8px 24px rgba(0,0,0,0.04);
  transform:translateY(-2px);
}
.card h3{
  margin:0 0 16px;
  font-size:24px;
  font-weight:700;
  letter-spacing:-0.3px;
  color:var(--fg);
}
.card img{
  display:block;
  margin:0 auto 20px;
  width:72px;
  height:72px;
  border-radius:16px;
}
.badge{
  display:inline-block;
  background:#eff6ff;
  color:#1e40af;
  border:none;
  border-radius:20px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.2px;
  margin-bottom:16px;
}
.badge + .badge{margin-left:8px}
.badge.soon{background:#fef3c7;color:#92400e}
.muted{
  color:var(--muted);
  font-size:15px;
  line-height:1.6;
  margin:0 0 24px;
}
.actions{
  margin-top:24px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:center;
}
.btn{
  display:inline-block;
  background:var(--fg);
  color:#fff;
  text-decoration:none;
  padding:12px 24px;
  border-radius:8px;
  font-weight:600;
  font-size:14px;
  transition:all 0.2s ease;
  border:none;
  cursor:pointer;
}
.btn:hover{
  background:var(--accent);
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(59,130,246,0.3);
}
.btn.secondary{
  background:transparent;
  color:var(--fg);
  border:1px solid var(--line);
}
.btn.secondary:hover{
  background:var(--card);
  border-color:var(--fg);
  box-shadow:none;
  transform:none;
}
.list{
  margin:16px 0 0;
  padding-left:20px;
  list-style:none;
}
.list li{
  margin:8px 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.6;
  position:relative;
  padding-left:20px;
}
.list li:before{
  content:"•";
  position:absolute;
  left:0;
  color:var(--fg);
}
footer{
  color:var(--muted);
  font-size:14px;
  text-align:center;
  padding:40px 0;
  border-top:1px solid var(--line);
  margin-top:80px;
}
code{
  background:var(--card);
  padding:2px 6px;
  border-radius:4px;
  font-size:13px;
  font-family:'SF Mono',Monaco,'Cascadia Code','Roboto Mono',Consolas,'Courier New',monospace;
}
@media(max-width:768px){
  .container{
    padding:0 20px;
  }
  header{
    padding:40px 0 32px;
    margin-bottom:40px;
  }
  .home header{
    padding-top:80px;
  }
  .home header .header-actions{
    position:absolute;
    top:16px;
    right:16px;
    left:auto;
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    justify-content:flex-end;
    align-items:center;
    max-width:calc(100% - 32px);
    z-index:2;
  }
  .home header .header-content{
    margin-top:16px;
  }
  h1{
    font-size:32px;
  }
  .subtitle{
    font-size:16px;
  }
  .header-content{
    flex-direction:column;
  }
  .top-links{
    position:static;
    margin-top:16px;
  }
  main{
    padding:0 0 60px;
  }
  h2{
    font-size:24px;
    margin-bottom:24px;
  }
  .section{
    margin-bottom:60px;
  }
  .grid{
    grid-template-columns:1fr;
    gap:24px;
  }
  .card{
    padding:32px 24px;
  }
  .card h3{
    font-size:22px;
  }
  footer{
    margin-top:60px;
    padding:32px 0;
  }
}

/* ===== Full-bleed header (home only) ===== */
.home header{border-bottom:none}
.home header::before{
  content:"";
  position:absolute;
  top:0;bottom:0;left:50%;
  width:100vw;
  transform:translateX(-50%);
  background:linear-gradient(140deg,var(--grad-a),var(--grad-b));
  z-index:0;
}
.home header::after{
  content:"";
  position:absolute;
  top:0;bottom:0;left:50%;
  width:100vw;
  transform:translateX(-50%);
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:20px 20px;
  opacity:0.6;
  z-index:0;
}
.home header .header-content{position:relative;z-index:1;background:transparent}
.home header .header-actions{position:absolute;top:16px;right:16px;display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end;align-items:center;max-width:calc(100% - 32px);z-index:2}
.home header .header-actions > *{flex:0 0 auto}
.home header .lang{position:static}
.home header .top-links{position:static;display:flex;gap:16px}
.home header h1,.home header .subtitle{color:#fff}
.home header .top-links a{color:#e5e7eb}
.home header .top-links a:hover{color:#fff}
.home header .lang button{color:#e5e7eb}
.home header .lang button:hover{background:rgba(255,255,255,.08);color:#fff}
.home header .lang button.active{background:#fff;color:#0f172a}
.home .hero{background:transparent;box-shadow:none;border-radius:0}
.home .hero .hero__grid{display:none}

/* ==== Closing full-bleed band ==== */
.closing{
  position:relative;
  margin-top:80px;
}
.closing::before{
  content:"";
  position:absolute;left:50%;top:0;width:100vw;height:100%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--grad-b),var(--grad-a));
  z-index:0;
}
.closing .closing-inner{
  position:relative;z-index:1;
  padding:64px 24px;
  color:#fff;
  text-align:center;
}
.closing h2{font-size:36px;line-height:1.2;margin:0 0 12px}
.closing p{color:#cbd5e1;margin:0 0 20px}
.closing .closing-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.closing .btn--ghost{border:1px solid rgba(255,255,255,.28)}
@media(max-width:768px){
  .closing .closing-inner{padding:48px 20px}
  .closing h2{font-size:28px}
}

/* Footer full-bleed gradient */
.home footer{position:relative;color:#fff;border-top:none;isolation:isolate}
.home footer::before{
  content:"";position:absolute;left:50%;top:0;width:100vw;height:100%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--grad-b),var(--grad-a));z-index:0;
}
.home footer > *{position:relative;z-index:1}
.home footer p,.home footer a{color:#e5e7eb}