:root {
  --primary: #0b192c;
  --secondary: #1e3e62;
  --accent: #ff6500;
  --accent-hover: #e05800;
  --dark: #000000;
  --light: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--light);
  color: var(--text);
  line-height: 1.6;
}

/* Header & Nav */
header {
  background-color: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.navbar {
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.brand {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--light);
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
}

/* Layout Elements */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 4rem 2rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

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

/* Cards & Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-tag {
  display: inline-block;
  background: #ffedd5;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

/* Metrics Banner */
.metrics-strip {
  background: var(--secondary);
  color: #fff;
  padding: 3rem 2rem;
}

.metrics-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.metric-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
}

/* Footer */
footer {
  background: var(--primary);
  color: #94a3b8;
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  font-size: 0.9rem;
}