/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; line-height: 1.6; color: #1f2937; background: #ffffff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
/* Header */
header { position: fixed; width: 100%; top: 0; background: #ffffff; border-bottom: 1px solid #e5e7eb; z-index: 1000; }
header .container { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
.logo { font-size: 1.8rem; font-weight: 700; color: #1f2937; text-decoration: none; }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { color: #1f2937; text-decoration: none; font-weight: 500; transition: opacity 0.3s; }
.nav-links a:hover { opacity: 0.7; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: #1f2937; }
/* Hero */
.hero { background: #f5f7fa; text-align: center; padding: 120px 20px 80px; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; color: #4b5563; }
.cta-button { display: inline-block; background: #667eea; color: white; padding: 15px 30px; border-radius: 50px; font-weight: 600; text-decoration: none; transition: transform 0.3s, box-shadow 0.3s; }
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,0,0,0.15); }
/* Services */
.services { padding: 80px 20px; }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 700; margin-bottom: 3rem; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { background: #ffffff; padding: 2rem; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); text-align: center; transition: transform 0.3s, box-shadow 0.3s; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); }
.service-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 1rem; }
.service-card p { color: #6b7280; line-height: 1.6; }
/* About */
.about { padding: 80px 20px; background: #f9fafb; }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-text h2 { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.about-text p { color: #4b5563; margin-bottom: 1rem; }
.stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; margin-top: 2rem; }
.stat { text-align: center; padding: 1rem; background: #ffffff; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.03); }
.stat-number { font-size: 2rem; font-weight: 700; color: #667eea; }
.stat-label { color: #6b7280; font-size: 0.9rem; }
/* Contact */
.contact { padding: 80px 20px; background: #f5f7fa; }
.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact-info p { margin-bottom: 1rem; color: #4b5563; }
.contact-item { display: flex; align-items: center; margin-bottom: 0.5rem; color: #4b5563; }
.contact-item span:first-child { margin-right: 0.5rem; }
.contact-form { background: #ffffff; padding: 2rem; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
.contact-form h3 { margin-bottom: 1rem; color: #1f2937; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: 10px 15px; border-radius: 8px; border: 2px solid #e5e7eb; font-size: 1rem; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #667eea; }
.submit-btn { background: #667eea; color: white; padding: 12px 25px; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: transform 0.3s; width: 100%; }
.submit-btn:hover { transform: translateY(-2px); }
/* Footer */
footer { background: #1f2937; color: white; text-align: center; padding: 2rem 0; }
/* Responsive */
@media(max-width:768px){
  .mobile-menu-btn { display: block; }
  .nav-links { display: none; flex-direction: column; gap: 1rem; position: absolute; top: 100%; left: 0; right: 0; background: #ffffff; padding: 1rem; }
  .nav-links.mobile-open { display: flex; }
  .hero { padding: 100px 20px 60px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .services-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-content, .contact-content { grid-template-columns: 1fr; gap: 2rem; }
  .stats { grid-template-columns: 1fr; gap: 1rem; }
}