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

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: #333; line-height: 1.6; }

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

/* Navbar */
.navbar { background: #1a1a2e; padding: 15px 0; position: sticky; top: 0; z-index: 100; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { color: #e94560; font-size: 1.5rem; font-weight: bold; text-decoration: none; }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { color: #fff; text-decoration: none; transition: color 0.3s; }
.nav-links a:hover { color: #e94560; }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { background: linear-gradient(135deg, #1a1a2e, #16213e); color: #fff; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.8; }

/* Buttons */
.btn { background: #e94560; color: #fff; border: none; padding: 12px 30px; border-radius: 5px; cursor: pointer; font-size: 1rem; transition: background 0.3s; }
.btn:hover { background: #c73e54; }

/* Cards */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 30px; }
.card { background: #f8f9fa; padding: 30px; border-radius: 10px; text-align: center; }
.card h3 { margin-bottom: 15px; color: #1a1a2e; }

/* Sections */
.section { padding: 80px 0; }
.section h2 { text-align: center; margin-bottom: 40px; font-size: 2rem; }

/* Forms */
#contactForm { max-width: 500px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px; }
#contactForm input, #contactForm textarea { padding: 12px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; }

/* Modal */
.modal { display: none; position: fixed; z-index: 200; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); }
.modal-content { background: #fff; margin: 10% auto; padding: 40px; border-radius: 10px; max-width: 400px; position: relative; }
.close { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; }
#authForm { display: flex; flex-direction: column; gap: 15px; margin-top: 20px; }
#authForm input { padding: 12px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; }
.toggle-auth { text-align: center; margin-top: 15px; }

/* Result */
.result { margin-top: 15px; padding: 10px; border-radius: 5px; text-align: center; }
.result.success { background: #d4edda; color: #155724; }
.result.error { background: #f8d7da; color: #721c24; }

/* Footer */
footer { background: #1a1a2e; color: #fff; text-align: center; padding: 20px 0; }

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; width: 100%; background: #1a1a2e; padding: 20px; }
    .nav-links.active { display: flex; }
    .hero h1 { font-size: 2rem; }
    .hero { padding: 60px 0; }
    .section { padding: 50px 0; }
}