/* Reset and base styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: fixed; top: 0; left: 0; right: 0; z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo { font-size: 1.5rem; font-weight: 700; color: #2563eb; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.hamburger { display: block; width: 25px; height: 3px; background: #333; position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; width: 100%; height: 3px; background: #333; left: 0; transition: 0.3s; }
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }
.nav-menu { display: flex; gap: 30px; }
.nav-link { font-weight: 500; transition: color 0.3s; }
.nav-link:hover { color: #2563eb; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 80px 20px; }
.hero-container h1 { font-size: 3rem; margin-bottom: 20px; }
.hero-subtitle { font-size: 1.25rem; margin-bottom: 30px; opacity: 0.9; }
.btn { display: inline-block; padding: 12px 30px; border-radius: 50px; font-weight: 600; transition: transform 0.3s, box-shadow 0.3s; }
.btn-primary { background: #fff; color: #2563eb; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* Sections */
section { padding: 80px 20px; }
section h2 { font-size: 2.5rem; margin-bottom: 40px; text-align: center; }
.about { background: #f9fafb; }
.about-content { max-width: 800px; margin: 0 auto; }
.about-content p { margin-bottom: 20px; font-size: 1.1rem; color: #555; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.service-card { background: #fff; padding: 30px; border-radius: 10px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); transition: transform 0.3s; }
.service-card:hover { transform: translateY(-5px); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; color: #2563eb; }

/* Contact */
.contact { background: #f9fafb; }
.contact-form { max-width: 600px; margin: 0 auto; background: #fff; padding: 40px; border-radius: 10px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #2563eb; }
.form-group textarea { resize: vertical; }

/* Footer */
.footer { background: #1f2937; color: #fff; padding: 30px 20px; }
.footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.social-links { display: flex; gap: 20px; }
.social-links a { opacity: 0.8; transition: opacity 0.3s; }
.social-links a:hover { opacity: 1; }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 20px; gap: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
  .nav-menu.active { display: flex; }
  .hero-container h1 { font-size: 2rem; }
  .footer-container { flex-direction: column; text-align: center; }
}