/* General Reset */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

body { background-color: #f4f4f4; color: #333; line-height: 1.6; }

/* Navigation Bar */
header { background: #004080; color: #fff; padding: 1rem 0; }
.navbar { display: flex; justify-content: space-between; align-items: center; width: 90%; margin: auto; }
.logo { font-size: 1.5rem; font-weight: bold; }
.nav-links a { color: #fff; text-decoration: none; margin-left: 20px; font-weight: 500; }
.nav-links a:hover { color: #ffcc00; }
.btn-login { background: #ffcc00; color: #000 !important; padding: 8px 15px; border-radius: 5px; }

/* Hero Section (The big banner) */
.hero { 
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://source.unsplash.com/1600x900/?education,classroom'); 
    background-size: cover; 
    height: 80vh; 
    color: white; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    text-align: center; 
}
.hero h1 { font-size: 3rem; margin-bottom: 10px; }
.hero p { font-size: 1.2rem; margin-bottom: 20px; }
.cta-button { background: #007bff; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-size: 1.1rem; }
.cta-button:hover { background: #0056b3; }

/* Content Sections */
.container { width: 85%; margin: auto; padding: 40px 0; }
.features { display: flex; justify-content: space-between; gap: 20px; }
.feature-box { background: white; padding: 20px; border-radius: 8px; flex: 1; text-align: center; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }

/* Footer */
footer { background: #333; color: white; text-align: center; padding: 20px 0; margin-top: 20px; }