.learning-hero {
    background: linear-gradient(135deg, #7b4397 0%, #dc2430 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 16px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 820px;
    margin: 0 auto 36px;
    opacity: 0.9;
}

.section {
    padding: 80px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.4rem;
    text-align: center;
    margin-bottom: 50px;
    color: #333;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 26px;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: #dc2430;
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    margin-top: 8px;
}

.challenges-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.challenge-card, .feature-card {
    background: white;
    border-radius: 12px;
    padding: 26px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.25s ease;
}

    .challenge-card:hover, .feature-card:hover {
        transform: translateY(-4px);
    }

.challenge-title, .feature-title {
    font-size: 1.4rem;
    margin: 16px 0;
    color: #333;
}

.challenge-description, .feature-description {
    color: #666;
    line-height: 1.6;
}

.feature-icon {
    font-size: 2.6rem;
    margin-bottom: 14px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 36px;
}

.application-card {
    background: white;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.application-content {
    padding: 26px;
}

.application-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
    color: #333;
}

.application-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
}

.application-features {
    list-style: none;
    padding: 0;
}

    .application-features li {
        color: #7b4397;
        margin-bottom: 8px;
        position: relative;
        padding-left: 20px;
    }

        .application-features li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #28a745;
            font-weight: bold;
        }

.learning-cta-section {
    background: linear-gradient(135deg, #dc2430 0%, #7b4397 100%);
    color: white;
}

.cta-content {
    text-align: center;
    margin-bottom: 30px;
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.cta-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 20px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #28a745;
    color: white;
}

    .btn-primary:hover {
        background: #218838;
        transform: translateY(-2px);
    }

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

    .btn-secondary:hover {
        background: white;
        color: #7b4397;
        transform: translateY(-2px);
    }

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.4rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .applications-grid {
        grid-template-columns: 1fr;
    }

    .challenges-grid, .features-grid {
        grid-template-columns: 1fr;
    }
}