:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --accent: #f59e0b;
  --dark: #0f172a;
  --light: #f8fafc;
  --gray: #64748b;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

header {
  background: white;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.top-bar {
  background: var(--dark);
  color: white;
  padding: 8px 16px;
  font-size: 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.top-bar a {
  color: var(--accent);
  text-decoration: none;
  font-weight: bold;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.logo span {
  color: var(--dark);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-cta {
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.1s;
}

.btn-cta:hover {
  background: #d97706;
  color: white;
}

.hero {
  background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('https://images.unsplash.com/photo-1542013936693-893e3d7e393b?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  color: white;
  padding: 80px 16px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.75rem;
  margin-bottom: 16px;
  font-weight: 800;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  color: #cbd5e1;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 16px;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2.25rem;
  color: var(--dark);
  margin-bottom: 12px;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  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 h3 {
  margin-bottom: 12px;
  color: var(--dark);
  font-size: 1.25rem;
}

.card p {
  color: var(--gray);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.text-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.text-link:hover {
  text-decoration: underline;
}

.banner-call {
  background: var(--primary);
  color: white;
  padding: 50px 20px;
  text-align: center;
  border-radius: 12px;
  margin: 40px 0;
}

.banner-call h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.banner-call p {
  font-size: 1.1rem;
  margin-bottom: 24px;
  opacity: 0.9;
}

footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 60px 16px 20px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-col h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: white;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  font-size: 0.875rem;
}

@media(max-width: 768px) {
  nav ul {
    display: none;
  }
  .hero h1 {
    font-size: 2rem;
  }
}