/* Learn Hub Page - Module Overview */
/* Used by: learn.html (landing page for learning modules) */

.learn-hub-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px 80px;
    min-height: 100vh;
}

.learn-hub-header {
    text-align: center;
    margin-bottom: 80px;
}

.learn-hub-header h1 {
    font-size: 52px;
    font-weight: 300;
    letter-spacing: 3px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.learn-hub-header .tagline {
    font-size: 22px;
    color: #666;
    font-weight: 300;
    font-style: italic;
    margin-bottom: 30px;
}

.learn-hub-header .description {
    font-size: 17px;
    line-height: 1.8;
    color: #444;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 300;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.module-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #1a1a1a;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.module-card:hover {
    border-color: #ccc;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.module-card:hover::before {
    transform: scaleY(1);
}

.module-number {
    font-size: 48px;
    font-weight: 300;
    color: #e8e8e8;
    line-height: 1;
    margin-bottom: 15px;
}

.module-title {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 1px;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.module-subtitle {
    font-size: 16px;
    color: #666;
    font-style: italic;
    margin-bottom: 20px;
}

.module-description {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 25px;
    font-weight: 300;
}

.module-topics {
    margin-bottom: 25px;
}

.module-topics h4 {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.module-topics ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.module-topics li {
    font-size: 14px;
    color: #666;
    padding-left: 15px;
    position: relative;
}

.module-topics li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-weight: bold;
}

.module-link {
    display: inline-block;
    padding: 12px 28px;
    background: #1a1a1a;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.module-link:hover {
    background: #333;
    padding-right: 35px;
}

.module-link::after {
    content: ' →';
    opacity: 0;
    transition: opacity 0.3s ease;
}

.module-link:hover::after {
    opacity: 1;
}

.philosophy-section {
    background: #f8f8f8;
    border: 1px solid #e8e8e8;
    padding: 50px 60px;
    margin-bottom: 60px;
    text-align: center;
}

.philosophy-section h2 {
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 2px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.philosophy-section p {
    font-size: 17px;
    line-height: 1.8;
    color: #555;
    max-width: 800px;
    margin: 0 auto 15px;
    font-weight: 300;
}

.philosophy-section p:last-child {
    margin-bottom: 0;
}

.philosophy-section em {
    font-style: italic;
    color: #1a1a1a;
}

/* Responsive */
@media (max-width: 768px) {
    .learn-hub-page {
        padding: 80px 20px 60px;
    }

    .learn-hub-header h1 {
        font-size: 36px;
    }

    .learn-hub-header .tagline {
        font-size: 18px;
    }

    .modules-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .module-card {
        padding: 30px 25px;
    }

    .module-topics ul {
        grid-template-columns: 1fr;
    }

    .philosophy-section {
        padding: 40px 30px;
    }

    .philosophy-section h2 {
        font-size: 24px;
    }

    .philosophy-section p {
        font-size: 16px;
    }
}