:root{
  --bg:#0b0f14; --card:#111827; --text:#e5e7eb; --muted:#9ca3af;
  --accent:#f59e0b; --line:#1f2937;
  --max:1100px;

  /* spacing scale */
  --gap:24px;
  --section:44px;
  --cardPad:20px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6
}

a{color:inherit;text-decoration:none}

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:22px
}

.nav{
  position:sticky;
  top:0;
  background:rgba(11,15,20,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  z-index:10
}

.nav-inner{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between
}

.brand{
  display:flex;
  gap:10px;
  align-items:center;
  font-weight:800;
  letter-spacing:.3px
}

.badge{
  font-size:12px;
  color:var(--bg);
  background:var(--accent);
  padding:3px 8px;
  border-radius:999px;
  font-weight:800
}

.menu{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:flex-end
}

.menu a{
  color:var(--muted);
  font-weight:650
}
.menu a:hover{color:var(--text)}

/* make every section breathe */
main > section{
  margin-bottom:var(--section)
}

.hero{
  padding:44px 0;
  border-bottom:1px solid var(--line);
  margin-bottom:var(--section)
}

.hero h1{margin:0 0 10px;font-size:40px;line-height:1.15}
.hero p{margin:0;color:var(--muted);max-width:760px}

.cta-row{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}

.btn{
  display:inline-block;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  font-weight:750;
  cursor:pointer;
  transition:transform .12s ease, opacity .12s ease, border-color .12s ease
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{background:var(--accent);border-color:transparent;color:var(--bg)}

/* FIX: grid spacing + responsive columns */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:var(--gap);
  margin:22px 0
}

/* FIX: kv spacing too */
.kv{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--gap)
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:var(--cardPad);
  transition:transform .14s ease, border-color .14s ease
}

/* slight lift makes it feel real */
.card:hover{
  transform:translateY(-2px);
  border-color:#2b3647
}

.card h2,.card h3{margin:0 0 8px}
.card p{margin:0;color:var(--muted)}

/* FIX: stacked spacing for cards that are not in .grid */
.card + .card{margin-top:var(--gap)}

/* nicer list spacing */
.list{margin:0;padding-left:18px}
.list li{margin:6px 0}

hr{border:0;border-top:1px solid var(--line);margin:22px 0}

.footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:var(--muted);
  font-size:14px
}

.small{font-size:14px;color:var(--muted)}

input,textarea,select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0f172a;
  color:var(--text)
}

input:focus,textarea:focus,select:focus{
  outline:none;
  border-color:#374151
}

label{display:block;margin:10px 0 6px;font-weight:800}

.notice{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0f172a;
  color:var(--muted)
}

.two{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px
}

@media (max-width:900px){
  :root{
    --gap:18px;
    --section:34px;
    --cardPad:18px;
  }

  .kv{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .hero h1{font-size:32px}
}