/* Hero Section */
.interview-hero {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 10rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.interview-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?ixlib=rb-1.2.1&auto=format&fit=crop&w=2850&q=80') center/cover;
    opacity: 0.1;
}

.interview-hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.interview-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #bfdbfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.interview-hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Categories */
.prep-categories {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.prep-category {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.prep-category h2 {
    color: #1f2937;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.prep-category h2 i {
    color: #2563eb;
}

.sub-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.category-card h3 {
    color: #2563eb;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.category-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-card ul li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
    color: #4b5563;
}

.category-card ul li:last-child {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .interview-hero h1 {
        font-size: 2.5rem;
    }

    .container {
        padding: 1rem;
    }

    .sub-categories {
        grid-template-columns: 1fr;
    }

    .main-nav {
        display: none;
    }
}