:root {
  --bg: #0f1020;
  --bg-soft: #17182e;
  --surface: #1e2040;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef0ff;
  --muted: #a6a9c8;
  --brand: #7c5cff;
  --brand-2: #00d4ff;
  --radius: 16px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #0b0c1a;
}
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.25); }
.btn-lg { padding: 14px 26px; font-size: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 16, 32, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
}
.brand-mark { color: var(--brand-2); }
.brand-name span { color: var(--brand); }
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav > a:not(.btn) { color: var(--muted); font-size: 15px; }
.nav > a:not(.btn):hover { color: var(--text); }

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 80px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(124, 92, 255, 0.25), transparent 70%),
    radial-gradient(40% 40% at 80% 20%, rgba(0, 212, 255, 0.18), transparent 70%);
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.pill {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-2);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.lede { font-size: 19px; color: var(--muted); margin: 0 auto 32px; max-width: 600px; }
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 30px; }
.hero-stats span { color: var(--muted); font-size: 14px; }

/* Sections */
.section-title {
  text-align: center;
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.section-sub { text-align: center; color: var(--muted); margin: 0 0 48px; }

.features { padding: 96px 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(124, 92, 255, 0.5); }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* How it works */
.how { padding: 96px 0; background: var(--bg-soft); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step { text-align: center; padding: 0 12px; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #0b0c1a;
}
.step h3 { margin: 0 0 8px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); }

/* CTA */
.cta { padding: 96px 0; }
.cta-inner {
  text-align: center;
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(124, 92, 255, 0.2), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 64px 32px;
}
.cta-inner h2 { font-size: clamp(26px, 4vw, 36px); margin: 0 0 12px; }
.cta-inner p { color: var(--muted); margin: 0 0 28px; font-size: 18px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 28px;
  background: var(--bg-soft);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-nav { display: flex; gap: 22px; }
.footer-nav a { color: var(--muted); font-size: 15px; }
.footer-nav a:hover { color: var(--text); }
.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.status-dot.up { background: #36d399; box-shadow: 0 0 0 3px rgba(54, 211, 153, 0.2); }
.status-dot.down { background: #f87272; box-shadow: 0 0 0 3px rgba(248, 114, 114, 0.2); }
.footer-copy {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 860px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .nav { gap: 14px; }
  .nav > a:not(.btn) { display: none; }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
}