* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
}

.navbar .logo {
    font-weight: bold;
    font-size: 20px;
}

.navbar nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    transition: 0.3s;
}

.navbar nav a:hover {
    color: #0077ff;
}

/* Hero Section */
.hero {
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #0077ff, #00c6ff);
    color: white;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: white;
    color: #0077ff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #f0f0f0;
}

/* Sections */
.section {
    padding: 80px 10%;
    text-align: center;
}

.section h2 {
    margin-bottom: 20px;
    font-size: 32px;
}

.section.light {
    background: #f9f9f9;
}

/* Cards */
.card-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 280px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 10px;
}

/* Footer */
footer {
    padding: 20px;
    text-align: center;
    background: #111;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .navbar nav {
        display: none;
    }
}