:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #555;
  --color-primary: #0f4c81;
  --color-primary-hover: #0d3d68;
  --color-accent: #e8f0fe;
  --color-border: #e0e0e0;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 960px;
  --spacing: 1.5rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

/* Header */
header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

header nav a {
  color: var(--color-text);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

header nav a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  transition: background 0.2s;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Services */
.services {
  padding: 4rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.services h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--color-accent);
  border-radius: 8px;
  padding: 2rem 1.5rem;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* CTA */
.cta {
  padding: 4rem 0;
  text-align: center;
}

.cta h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.cta p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-email {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.cta-email a {
  color: var(--color-primary);
}

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}