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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a6a;
  --color-primary: #0f3460;
  --color-accent: #e94560;
  --color-surface: #f8f9fa;
  --color-border: #e0e0e0;
  --max-width: 960px;
}

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

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

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

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

nav .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

nav .nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
}

.lang-switcher {
  display: flex;
  gap: 0.25rem;
}

.lang-switcher button {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.lang-switcher button.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Sections */
section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.hero {
  text-align: center;
  padding: 5rem 1.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

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

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.about p {
  color: var(--color-text-secondary);
  max-width: 700px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.service-card {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.contact p {
  color: var(--color-text-secondary);
}

.contact-details {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

/* Privacy page */
.privacy-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.privacy-page h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.privacy-page .last-updated {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.privacy-section {
  margin-bottom: 1.5rem;
}

.privacy-section h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.privacy-section p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  nav .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
}