:root {
  --bg: #0b0f17;
  --surface: #121826;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
  --accent-2: #3b82f6;
  --ok: #34d399;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Subtle grid + glow background */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(34, 211, 238, 0.12), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(59, 130, 246, 0.12), transparent 45%),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: auto, auto, 48px 48px, 48px 48px;
}

/* Header */
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px clamp(16px, 5vw, 64px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f17;
}

.brand-name { font-weight: 600; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); }
  70%  { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* Hero */
.hero {
  flex: 1;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(32px, 8vh, 96px) clamp(16px, 5vw, 64px) 48px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 640px;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--muted);
  margin-bottom: 40px;
}

/* Features */
.features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.features li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, transform 0.2s;
}

.features li:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.features h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.features p {
  font-size: 0.92rem;
  color: var(--muted);
}

/* CTA */
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  color: #0b0f17;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: opacity 0.2s, transform 0.2s;
}

.btn:hover { opacity: 0.9; transform: translateY(-1px); }

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--accent); }

/* Footer */
.foot {
  padding: 24px clamp(16px, 5vw, 64px);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}