:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    background: #f8fafc;
    min-height: 100vh;
}

.landing-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: var(--bg-gradient);
    color: white;
    margin-bottom: 3rem;
}

header .lead {
    color: rgba(255,255,255,0.8);
}

.module-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    color: inherit;
}

.module-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-wrapper i {
    font-size: 2rem;
    color: white;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.feature-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    color: #64748b;
}

.feature-list li:last-child {
    border-bottom: none;
}

footer {
    margin-top: auto;
    background: #1e293b;
    color: white;
}