* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; }

/* Header */
header { background: #1a365d; color: #fff; padding: 1rem 0; }
header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { font-size: 1.8rem; font-weight: bold; color: #fff; }
nav a { color: #fff; margin: 0 15px; font-size: 1rem; }
nav a:hover { color: #4299e1; }
.lang-switch { font-size: 0.9rem; }
.lang-switch .active { color: #4299e1; font-weight: bold; }

/* Hero */
.hero { background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%); color: #fff; padding: 80px 0; text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0.9; }
.btn { background: #4299e1; color: #fff; padding: 12px 30px; border-radius: 5px; display: inline-block; }
.btn:hover { background: #3182ce; }

/* Products */
.products, .why-us, .contact { padding: 60px 0; }
.products h2, .why-us h2, .contact h2, .contact h3 { text-align: center; margin-bottom: 2rem; font-size: 2rem; }
.product-grid, .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.product-card, .feature { background: #f7fafc; padding: 2rem; border-radius: 8px; border: 1px solid #e2e8f0; }
.product-card h3, .feature h4 { color: #1a365d; margin-bottom: 1rem; }

/* Stats */
.stats { background: #2c5282; color: #fff; padding: 50px 0; }
.stats .container { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 2rem; }
.stat { text-align: center; }
.stat h3 { font-size: 2.5rem; color: #4299e1; }
.stat p { font-size: 1rem; opacity: 0.9; }

/* Contact */
.contact { background: #f7fafc; text-align: center; }
.contact-info { margin: 2rem 0; }
.contact-info p { font-size: 1.1rem; margin: 0.5rem 0; }

/* Footer */
footer { background: #1a365d; color: #fff; text-align: center; padding: 1.5rem 0; font-size: 0.9rem; }

/* Mobile */
@media (max-width: 768px) {
    header .container { flex-direction: column; gap: 1rem; }
    nav a { display: block; margin: 8px 0; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .stats .container { flex-direction: column; align-items: center; }
}