/* Landing Page Styles */

.hero {
    text-align: center;
    padding: 10rem 0 8rem;
    background: radial-gradient(circle at top right, #f0f4ff, #ffffff);
}

.hero .badge {
    margin-bottom: 1.5rem;
}

.hero h1 {
    max-width: 800px;
    margin: 0 auto 1.5rem;
    font-size: 3.5rem;
    line-height: 1.1;
}

.hero p {
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.25rem;
    color: var(--text-muted);
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 1.5rem 2rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 10px 25px rgba(84, 105, 212, 0.1);
}

.section-header {
    display: flex; 
    justify-content: space-between; 
    align-items: flex-end; 
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    margin: 0; 
    color: var(--text-muted);
}

.feature-card {
    padding: 2.5rem; 
    display: block; 
    height: 100%;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 2.5rem; 
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

.feature-link {
    color: var(--primary); 
    font-weight: 600; 
    margin-top: 1rem; 
    display: block;
}

.topic-grid {
    padding: 8rem 0;
}

.topic-header {
    text-align: center; 
    margin-bottom: 5rem;
}

.topic-header h2 {
    font-size: 2.5rem;
}

.topic-cluster h4 {
    margin-bottom: 1.5rem; 
    color: var(--primary);
}

.topic-list {
    list-style: none; 
    padding: 0; 
    font-size: 0.95rem;
}

.topic-list li {
    margin-bottom: 0.75rem;
}

.topic-list a {
    color: inherit; 
    text-decoration: none; 
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.topic-list a:hover {
    border-bottom-color: var(--primary);
}