/* Reset & Global Styles */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Arial, sans-serif; }
body { color: #333; line-height: 1.6; }
.container { width: 85%; max-width: 1200px; margin: auto; padding: 20px 0; }
.text-center { text-align: center; }
.bg-light { background-color: #f9f9f9; }
.section { padding: 60px 0; }

/* Navigation */
header { background: #0f172a; color: #fff; position: sticky; top: 0; z-index: 100; border-bottom: 2px solid #2563eb; }
.navbar { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: bold; font-size: 1.3rem; letter-spacing: 1px; color: #f8fafc; }
nav a { color: #cbd5e1; text-decoration: none; margin-left: 20px; font-weight: 500; transition: 0.3s; }
nav a:hover { color: #2563eb; }

/* Hero Section */
.hero { background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover; color: white; padding: 120px 0; text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 30px; color: #94a3b8; }
.btn { background: #2563eb; color: white; padding: 12px 30px; text-decoration: none; font-weight: bold; border-radius: 5px; border: none; cursor: pointer; transition: 0.3s; display: inline-block;}
.btn:hover { background: #1d4ed8; }

/* Services Cards */
.services-grid { display: flex; gap: 20px; margin-top: 40px; flex-wrap: wrap; }
.card { flex: 1; min-width: 250px; background: white; padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-top: 4px solid #2563eb; }
.card h3 { margin-bottom: 15px; font-size: 1.25rem; color: #0f172a; }

/* Contact Form */
.contact-form { max-width: 600px; margin: 30px auto 0; display: flex; flex-direction: column; gap: 15px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 5px; font-size: 1rem; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid #2563eb; }

/* Footer */
footer { background: #0f172a; color: #94a3b8; padding: 40px 0 20px; border-top: 1px solid #1e293b; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
footer h4 { color: white; margin-bottom: 15px; }
footer a { color: #2563eb; text-decoration: none; }
.copyright { margin-top: 30px; padding-top: 20px; border-top: 1px solid #1e293b; font-size: 0.9rem; }