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

:root {
  --primary: #1a3a5c;
  --accent: #2e7d9f;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #1e2a38;
  --muted: #6b7a8d;
  --border: #dde3eb;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: var(--primary);
  color: #fff;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

header .logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

header .logo svg {
  flex-shrink: 0;
}

header nav {
  display: flex;
  gap: 1.5rem;
}

header nav a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

header nav a:hover {
  color: #fff;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  text-align: center;
  padding: 5rem 2rem 4rem;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.85;
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}

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

.btn-primary {
  background: #fff;
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
  margin-left: 0.75rem;
}

/* Main content */
main {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* Feature cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.card-icon {
  width: 44px;
  height: 44px;
  background: #e8f1f8;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Status strip */
.status-strip {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #27ae60;
  flex-shrink: 0;
}

.status-strip span {
  font-size: 0.875rem;
  color: var(--muted);
}

.status-strip strong {
  color: var(--text);
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}