.trainer_all {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 0;
    transition: all 0.3s ease;
}
.hero-trainers .course-btn {
    margin-top: 20px;
}
.trainer_box {
    width: auto;
    margin: 0 12.5px;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}
.trainer_all .trainer_box {
    width: calc(33.33% - 25px); /* khong phải slider => show all */
}
.trainer_box:hover .trainer_social {
    display: flex;
}
.img_trainer{
    display: flex;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    -webkit-clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%, 0 22%);
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%, 0 22%);
}
.img_trainer:hover img {
    scale: 1.1;
}
.img_wrapper {
    width: 100%;
    padding-top: calc(100% * (4 / 3)); /* Duy trì tỷ lệ 3:4 */
    position: relative;
}
.img_wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Hình ảnh lấp đầy khung theo tỷ lệ */
    transition: all 0.3s ease;
}
.sponsor_sign {
    background-color: #319795;
    display: flex;
    -webkit-box-align: center;
    align-items: center;
    min-width: 50px;
    height: 32px;
    border-radius: 7px 0 0 7px;
    position: absolute;
    right: 0;
    top: 20px;
    padding: 5px 12px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    z-index: 1;
}
.trainer_box:before {
    background-color: #00adef;
    content: "";
    height: 120px;
    left: 40px;
    position: absolute;
    top: -20px;
    transform: rotate(45deg);
    width: 5px;
}
.trainer_box:hover .img_trainer:before{
	opacity:1;
}
.trainer_con h3 {
    font-size: 24px;
    font-weight: bold;
    line-height: 25px;
    margin-top: 15px;
	color: #00adef;
	text-align:center;
	text-transform:uppercase;
}
.trainer_con h3:hover {
    color: #008ac0
}
.trainer_con p{
	font-size:16px;
	line-height:25px;
	color:#000000;
	font-weight:600;
	text-align:center;
	margin-top:10px;
	text-transform:uppercase;
}
.trainer_social {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.5);
    justify-content: center;
    align-items: center;
    gap: 15px;
}
.trainer_social a {
    display: flex;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: #fff;
    background: #00adef;
    align-items: center;
    justify-content: center;
    /* box-shadow: 0 3px 15px #008ac0; */
    box-shadow: 0 3px 15px rgba(0,0,0,0.25);
}

.trainer_social i {
    font-size: 20px;
}

@media(max-width: 990px){
    .trainer_all {
        gap: 10px 0;
    }
    .hero-trainers .course-btn {
        margin-top: 15px;
    }
    .trainer_all .trainer_box {
        width: calc(50% - 25px);
    }
}
@media(max-width: 767px){
    .trainer_all {
        gap: 7px 0;
    }
    .hero-trainers .course-btn {
        margin-top: 10px;
    }
    .trainer_all .trainer_box {
        width: 100%;
    }
    .trainer_con h3 {
        margin-top: 10px;
    }
    .trainer_con p {
        margin-top: 5px;
    }
}

.no-trainer-found {
    display: none;
    opacity: 0;
    text-align: center;
    font-size: 18px;
    color: #555;
    margin-top: 20px;
    transition: opacity 0.3s ease;
}
.no-trainer-found.show {
    display: block;
    opacity: 1;
}