:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --accent: #ea580c;
  --border: #cbd5e1;
  --max-width: 1200px;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.top-bar {
  background: var(--text-dark);
  color: var(--white);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  text-align: center;
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-dark);
}

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

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

.btn-phone {
  background: var(--primary);
  color: var(--white);
  padding: 0.625rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.2s;
}

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

.hero {
  background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1584622650111-993a426fbf0a?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  color: var(--white);
  padding: 5rem 1rem;
  text-align: center;
}

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

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.125rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
}

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

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  padding: 0.625rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--text-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1rem;
}

.bg-light {
  background-color: var(--bg-light);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card h3 {
  margin-bottom: 0.75rem;
}

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

.content-block p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: var(--text-muted);
}

footer {
  background: var(--text-dark);
  color: #94a3b8;
  padding: 3rem 1rem 5rem 1rem;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col p, .footer-col ul {
  font-size: 0.875rem;
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid #1e293b;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.75rem;
}

.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 0.75rem 1rem;
  z-index: 1001;
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.05);
}

.mobile-sticky-bar a {
  display: block;
  text-align: center;
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem;
  border-radius: 4px;
  font-weight: 700;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-sticky-bar {
    display: block;
  }
  body {
    padding-bottom: 60px;
  }
}