:root {
  --navy: #0a3a67;
  --blue: #1565c0;
  --accent: #e23744;
  --text: #1f2933;
  --muted: #5b6677;
  --bg: #ffffff;
  --bg-muted: #f1f5fa;
  --border: #dde5ee;
}

* {
  box-sizing: border-box;
}

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

h1, h2, h3 {
  line-height: 1.25;
  color: var(--navy);
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: var(--navy);
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
}

.brand-name {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-tagline {
  margin: 0;
  color: #b9cde2;
  font-size: 0.85rem;
}

.hero {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
}

.hero-inner {
  padding: 4rem 1.25rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #9ec5ee;
  margin: 0 0 0.75rem;
}

.hero h1 {
  color: #fff;
  font-size: 2.4rem;
  margin: 0 0 1rem;
}

.hero-sub {
  margin: 0;
  max-width: 640px;
  color: #dceaf8;
  font-size: 1.05rem;
}

.hero-sub code {
  background: rgba(255, 255, 255, 0.12);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.95em;
}

.demos {
  padding: 3rem 0 4rem;
}

.demos h2 {
  margin: 0 0 1.5rem;
  font-size: 1.6rem;
}

.demo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.demo-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-muted);
}

.demo-card-body {
  padding: 1.5rem;
}

.demo-kicker {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue);
}

.demo-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.demo-card p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.button:hover {
  background: #c52d39;
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  padding: 1.25rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 1.85rem;
  }
}