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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background: #fff;
    color: #2563eb;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Services */
.services {
    padding: 80px 0;
    background: #fff;
}

.services h2, .about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card h3 {
    color: #2563eb;
    margin-bottom: 15px;
}

/* About */
.about {
    padding: 80px 0;
    background: #f0f4ff;
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 18px;
    color: #555;
}

/* Footer */
footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
}

footer p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    nav ul { gap: 15px; }
}