/* Courses Hero */
.courses-hero {
    background: linear-gradient(135deg, #1e3c72 0%, #174189 50%, #172a7d 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.courses-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.courses-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 1s ease;
}

.courses-hero p {
    font-size: 20px;
    opacity: 0.9;
}

/* Courses Container */
.courses-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Courses Overview */
.courses-overview {
    padding: 80px 20px;
    background: #fff;
}

.courses-intro h2 {
    font-size: 36px;
    color: #1e3c72;
    margin-bottom: 25px;
    text-align: center;
}

.courses-intro p {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 18px;
    text-align: center;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

/* Global Presence Tags */
.global-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.global-tag {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Course Category Section */
.course-category {
    padding: 80px 20px;
}

.course-category:nth-child(even) {
    background: #f8f9fa;
}

.course-category:nth-child(odd) {
    background: #fff;
}

.category-header {
    text-align: center;
    margin-bottom: 50px;
}

.category-header h2 {
    font-size: 36px;
    color: #1e3c72;
    margin-bottom: 12px;
}

.category-header p {
    font-size: 17px;
    color: #777;
}

/* Course Cards Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.course-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.course-card-accent {
    height: 5px;
    background: linear-gradient(90deg, #1e3c72, #2a5298, #ff6b35);
}

.course-card-body {
    padding: 30px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.course-card h3 {
    font-size: 20px;
    color: #1e3c72;
    margin-bottom: 14px;
    line-height: 1.3;
}

.course-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .courses-hero {
        padding: 60px 15px;
    }

    .courses-hero h1 {
        font-size: 30px;
    }

    .courses-hero p {
        font-size: 16px;
    }

    .courses-overview {
        padding: 50px 15px;
    }

    .courses-intro h2,
    .category-header h2 {
        font-size: 26px;
    }

    .courses-intro p {
        font-size: 16px;
    }

    .course-category {
        padding: 50px 15px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .global-tags {
        gap: 8px;
    }

    .global-tag {
        font-size: 13px;
        padding: 8px 16px;
    }
}