/* ========================================= 2. SOCIAL GROUPS (CHANNELS) ========================================= */
.channel-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: 0.3s;
    height: calc(100% - 20px);
    margin-bottom: 20px;
}
.channel-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--Light-Primary-50);
}
.channel-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: #fff;
}
/* --- BEM: COUNTRY COMMUNITIES --- */
.country-section {
    padding: 40px 0 80px;
    margin-bottom: 80px;
    background-color: #f9f9f9;
}
.country-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}
.country-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border-color: #ff6b00;
    /* Secondary Color */
}
.country-card__flag {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
}
.country-card__flag svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.country-card__name {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px 0;
}
.country-card__member-count {
    font-size: 13px;
    color: #666;
    margin-bottom: 18px;
}
.country-card__action {
    font-size: 14px;
    font-weight: 500;
    color: #0056b3;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
}
.country-card:hover .country-card__action {
    color: #ff6b00;
}
.icon-fb {
    background-color: #1877f2;
}
.icon-zalo {
    background-color: #0068ff;
}
.icon-insta {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}
.channel-title {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 10px;
}
.channel-desc {
    font-size: 0.9rem;
    color: var(--Gray-Color);
    margin-bottom: 20px;
}
.channel-btn {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 30px;
    background: #fff;
    border: 2px solid var(--Light-Primary-50);
    color: var(--Light-Primary-50);
    font-weight: 700;
    transition: 0.3s;
}
.channel-btn:hover {
    background: var(--Light-Primary-50);
    color: #fff;
}
/* ========================================= 3. STUDENT REVIEWS (HORIZONTAL LAYOUT) ========================================= */
.review-header {
    text-align: center;
    margin-bottom: 40px;
}
.review-title {
    font-size: 2rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: var(--Text-Color);
}
/* Review Card Style - Horizontal Layout */
.review-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: 0.3s;
    height: calc(100% - 30px);
    border: 1px solid #eee;
    position: relative;
    display: flex;
    flex-direction: column;
    /* Mobile mặc định là cột */
    gap: 30px;
    margin-bottom: 30px;
}
.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 134, 38, 0.15);
    border-color: var(--Light-Primary-50);
}
/* Quote Icon Background */
.review-card::before {
    content: "\f10d";
    /* FontAwesome Quote Left */
    font-family: "FontAwesome";
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 60px;
    color: #f7f7f7;
    z-index: 0;
}
.review-card:hover::before {
    color: #fff3e9;
}
/* Student Profile Info (Left Side on Desktop) */
.review-profile {
    display: flex;
    align-items: center;
    /* Mobile: ngang */
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}
.review-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 20px;
    border: 4px solid #fff3e9;
}
.review-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 5px 0;
    color: var(--Text-Color);
}
.review-info span {
    font-size: 0.9rem;
    color: var(--Light-Primary-50);
    font-weight: 600;
    display: block;
    margin-bottom: 2px;
}
.review-info small {
    display: block;
    font-size: 0.85rem;
    color: #999;
}
/* Review Content (Right Side on Desktop) */
.review-content {
    flex-grow: 1;
    position: relative;
    z-index: 1;
}
.review-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.4;
    color: #1a1a1a;
}
.review-text {
    font-size: 1rem;
    color: var(--Gray-Color);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 0;
    text-align: justify;
}
/* Responsive Layout for Review Card */
@media (min-width: 992px) {
    .review-card {
        flex-direction: row;
        /* Desktop: Ngang */
        align-items: flex-start;
    }
    .review-profile {
        flex-direction: column;
        /* Desktop: Avatar trên, tên dưới */
        align-items: center;
        text-align: center;
        width: 200px;
        padding-right: 30px;
        border-right: 1px solid #eee;
        margin-right: 0;
        /* Reset margin */
    }
    .review-avatar {
        width: 100px;
        height: 100px;
        margin-right: 0;
        margin-bottom: 15px;
    }
}
/* ========================================= 4. MENTOR / MENTEE SECTION ========================================= */
.mentor-section {
    background-color: #fff3e9;
    /* Nền cam nhạt */
    padding: 80px 0;
    margin-top: 80px;
}
.mentor-img-wrapper {
    position: relative;
    padding: 20px;
}
.mentor-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}
.mentor-img-wrapper::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background-image: radial-gradient(var(--Light-Primary-50) 2px, transparent 2px);
    background-size: 20px 20px;
    z-index: -1;
}
.mentor-content {
    padding-left: 30px;
}
.mentor-label {
    color: var(--Light-Primary-50);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}
.mentor-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.mentor-desc {
    font-size: 1.05rem;
    color: var(--Gray-Color);
    margin-bottom: 30px;
    text-align: justify;
}
.benefit-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}
.benefit-list p {
    font-size: 1.05rem;
    color: var(--Gray-Color);
    margin-bottom: 30px;
    text-align: justify;
}
.benefit-list ul {
    list-style: none;
    padding-left: 0;
}
.benefit-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--Text-Color);
}
.benefit-list li::before {
    content: "\f00c";
    font-family: "FontAwesome";
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--Light-Primary-50);
}
.mentor-btn {
    background: var(--Light-Primary-50);
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 10px 20px rgba(255, 134, 38, 0.3);
    display: inline-block;
    transition: 0.3s;
    text-transform: uppercase;
}
.mentor-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 134, 38, 0.4);
    color: #fff;
}
/* Responsive */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .mentor-content {
        padding-left: 0;
        margin-top: 40px;
    }
    .mentor-title {
        font-size: 2rem;
    }
}