:root {
  --bg: #f4f7ff;
  --surface: #ffffff;
  --ink: #121a33;
  --muted: #5f6788;
  --accent: #1f6fff;
  --accent-2: #12b886;
  --warn: #e68d18;
  --critical: #cf3f3f;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(33, 56, 120, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(165deg, #eef4ff 0%, #f7fbff 40%, #f4f7ff 100%);
}

.site-bg {
  min-height: 100vh;
}

.hero,
.section,
.footer-cta {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 1.2rem 0 1.5rem;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.brand {
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.hero-content {
  margin-top: 1.8rem;
  padding: 2.2rem;
  border-radius: 28px;
  background: linear-gradient(130deg, #12235f, #1f3c9e 55%, #2051d5);
  color: #eef3ff;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0.5rem 0 0.8rem;
  line-height: 1.12;
  font-size: clamp(1.9rem, 3.8vw, 3.2rem);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: #8fbcff;
  font-weight: 700;
}

.hero p {
  max-width: 720px;
  color: #d6e2ff;
}

.hero-cta {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.social-proof {
  margin-top: 1.3rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: #a8c2ff;
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  padding: 0.72rem 1rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-small {
  padding: 0.52rem 0.8rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent-2);
  color: #03261d;
}

.btn-ghost {
  background: rgba(31, 111, 255, 0.08);
  color: var(--accent);
  border-color: rgba(31, 111, 255, 0.25);
}

.section {
  padding: 2.4rem 0 0.4rem;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.topic-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.product-card,
.price-card,
.quote,
.pill {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid #dae3ff;
  box-shadow: 0 6px 24px rgba(30, 51, 115, 0.08);
  padding: 1rem;
}

.product-card h3 {
  margin: 0 0 0.5rem;
}

.pill {
  font-weight: 600;
  color: #2c3968;
}

.demo-shell {
  margin-top: 1.2rem;
  border-radius: 22px;
  border: 1px solid #d8e2ff;
  background: linear-gradient(180deg, #f8fbff 0%, #f2f6ff 100%);
  padding: 1rem 1rem 1.2rem;
}

.demo-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.kpi-strip,
#alert-feed,
#healthy-state,
#last-updated,
#detail-panel {
  width: 100%;
  margin: 0.8rem 0;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.kpi,
#detail-panel {
  background: var(--surface);
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid #d4def7;
}

.kpi h3,
.kpi p {
  margin: 0;
}

.kpi p {
  margin-top: 0.4rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.controls {
  width: 100%;
  margin: 0.5rem 0;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.controls label {
  background: var(--surface);
  border: 1px solid #d5e2dc;
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}

.controls select {
  border: 1px solid #c5d3fc;
  border-radius: 8px;
  padding: 0.35rem;
}

#alert-feed {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.severity-info {
  border-left: 5px solid #2f7dff;
}

.severity-warning {
  border-left: 5px solid var(--warn);
}

.severity-critical {
  border-left: 5px solid var(--critical);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.muted {
  color: var(--muted);
}

.pricing .featured {
  border: 2px solid #82b0ff;
  transform: translateY(-4px);
}

.price {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0.5rem 0;
}

.price span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.quote {
  color: #253564;
  font-weight: 600;
}

.quote span {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 500;
}

.footer-cta {
  margin-top: 2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: 20px;
  background: #132457;
  color: #e8eeff;
}

.footer-cta p {
  color: #b7c8f3;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .kpi-strip,
  #alert-feed,
  .topic-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 1.2rem;
  }
}