/* General Styles */
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Navigation Bar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.hero-section h1 {
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.card-title {
    color: #2c3e50;
    font-weight: 600;
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid #dee2e6;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.25rem rgba(52,152,219,0.25);
}

.form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.btn-primary {
    background-color: #3498db;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .form-control, .form-select {
        padding: 0.5rem 0.75rem;
    }
}