/* Courses */
#courses {
    background: linear-gradient(120deg, #f7fafc 60%, #e3f2fd 100%);
    padding: 3rem 0 3.5rem 0;
}

.courses-container {
    max-width: 1100px;
    /* Increase from default (e.g., 1000px or 1200px) */
    margin: 2rem auto;
    padding: 0 2rem;
}

.courses-title {
    text-align: center;
    font-size: 2.3rem;
    font-weight: 700;
    color: #1a237e;
    letter-spacing: 1px;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
}

.courses-title i {
    color: #00bcd4;
    font-size: 2rem;
}

.courses-carousel {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(.4, 0, .2, 1);
    gap: 2rem;
}

.course-card {
    background: #fff;
    border-radius: 1.2rem;
    box-shadow: 0 6px 24px rgba(30, 136, 229, 0.10), 0 1.5px 6px rgba(0, 0, 0, 0.06);
    padding: 1.5rem 1.2rem 1.2rem 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.18s, box-shadow 0.18s;
    position: relative;
    overflow: hidden;
    min-width: 250px;
    max-width: 250px;
    min-height: 340px;
    flex-shrink: 0;
}

.course-card:hover {
    transform: translateY(-7px) scale(1.025);
    box-shadow: 0 16px 36px rgba(30, 136, 229, 0.18), 0 4px 16px rgba(0, 0, 0, 0.10);
    z-index: 2;
}

.course-card img {
    width: 170px;
    height: 130px;
    object-fit: cover;
    border-radius: 10%;
    border: 0.5px solid #00bcd4;
    margin-bottom: 1.1rem;
    background: #e3f2fd;
    box-shadow: 0 2px 10px rgba(30, 136, 229, 0.08);
    transition: border-color 0.2s;
}

.course-card:hover img {
    border-color: #1a237e;
}

.course-card a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: #1a237e;
    font-weight: 600;
    font-size: 1.08rem;
    text-decoration: none;
    margin-top: 0.5rem;
    text-align: center;
    transition: color 0.18s;
    border-radius: 0.5rem;
    padding: 0.4rem 0.7rem;
    background: rgba(0, 188, 212, 0.07);
    box-shadow: 0 1px 4px rgba(30, 136, 229, 0.04);
}

.course-card a:hover {
    color: #00bcd4;
    background: rgba(0, 188, 212, 0.13);
}

.course-card i.icon {
    font-size: 1.3rem;
    color: #00bcd4;
    margin-right: 0.3rem;
    transition: color 0.18s;
}

.course-card a:hover i.icon {
    color: #1a237e;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    box-shadow: 0 2px 8px rgba(30, 136, 229, 0.12);
    cursor: pointer;
    z-index: 10;
    font-size: 1.5rem;
    color: #00bcd4;
    transition: background 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: #00bcd4;
    color: #fff;
}

.carousel-btn.prev {
    left: 0px;
}

.carousel-btn.next {
    right: 0px;
}

@media (max-width: 900px) {
    .courses-carousel {
        max-width: 100vw;
    }

    .course-card {
        min-width: 220px;
        max-width: 220px;
        min-height: 300px;
    }

    .course-card img {
        width: 100px;
        height: 100px;
    }

    .courses-container {
        padding: 0 8px;
    }
}

@media (max-width: 600px) {
    .courses-title {
        font-size: 1.4rem;
    }

    .course-card {
        min-width: 90vw;
        max-width: 90vw;
        padding: 1rem 0.7rem;
        min-height: 220px;
    }

    .course-card img {
        width: 80px;
        height: 80px;
    }

    .carousel-btn.prev {
        left: 0;
    }

    .carousel-btn.next {
        right: 0;
    }

    .courses-container {
        padding: 0 2px;
    }
}