:root{
  --bg: #0b1020;
  --bg2: #0d1630;
  --card: rgba(255,255,255,.06);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --border: rgba(255,255,255,.12);
  --primary: #7c5cff;
  --primary2: #22d3ee;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg: #f7f7fb;
  --bg2: #ffffff;
  --card: rgba(0,0,0,.04);
  --text: rgba(0,0,0,.88);
  --muted: rgba(0,0,0,.62);
  --border: rgba(0,0,0,.12);
  --primary: #5b34ff;
  --primary2: #0891b2;
  --shadow: 0 20px 60px rgba(0,0,0,.10);
  color-scheme: light;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(1200px 800px at 80% 0%, rgba(34,211,238,.18), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
}

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

.container{
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 28, .55);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] .topbar{ background: rgba(255,255,255,.7); }

.topbar__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand{ display:flex; align-items:center; gap:10px; font-weight: 700; letter-spacing:.3px; }
.brand__mark{
  width: 34px; height:34px;
  display:grid; place-items:center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: white;
  box-shadow: var(--shadow);
}
.brand__name{ font-size: 15px; }

.nav{ display:flex; gap: 16px; color: var(--muted); }
.nav a{ padding: 8px 10px; border-radius: 10px; }
.nav a:hover{ background: var(--card); text-decoration:none; color: var(--text); }

.btn{
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  transition: transform .08s ease, background .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn--primary{
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  border-color: transparent;
  color: white;
}
.btn--secondary{ background: transparent; }
.btn--ghost{ background: transparent; }
.btn__icon{ font-size: 14px; opacity: .95; }

.hero{ position: relative; padding: 72px 0 36px; overflow:hidden; }
.hero__inner{ display:grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; }
.hero__bg{
  position:absolute; inset:-100px;
  background: radial-gradient(700px 420px at 30% 30%, rgba(124,92,255,.25), transparent 70%),
              radial-gradient(700px 420px at 70% 40%, rgba(34,211,238,.20), transparent 65%);
  filter: blur(0px);
  opacity: .8;
  pointer-events:none;
}

.kicker{ color: var(--muted); margin: 0 0 12px; }
.hero h1{ margin: 0 0 12px; font-size: clamp(34px, 4vw, 54px); line-height: 1.05; letter-spacing: -.5px; }
.lede{ margin: 0 0 20px; color: var(--muted); font-size: 16px; line-height: 1.6; }

.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.hero__meta{ display:flex; gap: 10px; flex-wrap: wrap; }
.pill{ border:1px solid var(--border); background: rgba(0,0,0,.10); padding: 7px 10px; border-radius: 999px; color: var(--muted); font-size: 13px; }
:root[data-theme="light"] .pill{ background: rgba(255,255,255,.6); }

.card{
  position: relative;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(0,0,0,.14);
  box-shadow: var(--shadow);
}
:root[data-theme="light"] .card{ background: rgba(255,255,255,.7); }
.card__row{ display:flex; align-items:center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); color: var(--muted); }
.card__row:last-child{ border-bottom: 0; }
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; color: var(--text); }
.dot{ width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.dot--ok{ background: #22c55e; }
.dot--warn{ background: #f59e0b; }
.dot--info{ background: #38bdf8; }

.section{ padding: 44px 0; }
.section--alt{ background: rgba(0,0,0,.12); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
:root[data-theme="light"] .section--alt{ background: rgba(0,0,0,.03); }
.section h2{ margin: 0 0 12px; font-size: 26px; }
.section p{ margin: 0 0 18px; color: var(--muted); line-height: 1.7; }

.grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.panel{ border:1px solid var(--border); background: var(--card); border-radius: var(--radius); padding: 16px; }
.panel h3{ margin: 0 0 8px; font-size: 16px; }
.panel p{ margin: 0; }

.featureList{ margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }
.callout{ margin-top: 18px; border-radius: var(--radius); padding: 16px; border: 1px solid rgba(124,92,255,.35); background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(34,211,238,.10)); }
.callout__title{ margin: 0 0 6px; font-weight: 700; }
.callout__body{ margin: 0; }

.form{ display:grid; gap: 12px; max-width: 560px; }
label span{ display:block; margin-bottom: 6px; color: var(--muted); font-size: 14px; }
input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.12);
  color: var(--text);
  outline: none;
}
:root[data-theme="light"] input,
:root[data-theme="light"] textarea{ background: rgba(255,255,255,.85); }
input:focus, textarea:focus{ border-color: rgba(124,92,255,.6); box-shadow: 0 0 0 4px rgba(124,92,255,.15); }

.fineprint{ margin-top: 18px; font-size: 13px; color: var(--muted); }

@media (max-width: 900px){
  .hero__inner{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .grid{ grid-template-columns: 1fr; }
}