:root {
    --primary: #e41a2b;
    --secondary: #BDBDBF;
    --light: #F4F5F8;
    --dark: #222429;
}

section.blog {
    background-color: rgb(246, 249, 252);
    padding: 100px 0;
}

section.blog h1 {
    color: var(--primary);
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 25px;
}

section.blog ul.nav li.nav-item button {
    color: var(--light);
}

section.blog ul.nav li.nav-item button.nav-link.active {
    color: var(--dark);
}

section.blog ul.nav li.nav-item button.nav-link {
    color: var(--light);
}


section.blog .grid-blog {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}


section.blog .grid-blog .card {
    border: none;
    margin: 10px;
    overflow: hidden;
}

section.blog .grid-blog .box-blog {
    margin: 10px;
}

section.blog .grid-blog .box-img {
    overflow: hidden;
    height: 270px;
    /* กำหนดความสูงที่ต้องการ */
    display: flex;
    align-items: center;
    justify-content: center;
    /* จัดกลาง */
}

section.blog .grid-blog .box-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* ครอบภาพเพื่อให้เต็มพื้นที่ */
    transition: transform .5s ease;
}

section.blog .grid-blog .card:hover .box-img img {
    transform: scale(1.1);
    /* เพิ่มขนาดภาพเมื่อ hover */
}

section.blog .grid-blog .card .card-body {
    background-color: var(--dark);
    overflow: hidden;
    color: var(--light);
}

section.blog .grid-blog .card .card-body h5.card-title {
    text-transform: uppercase;
    font-weight: bolder;
}


section.blog button.btn.btn-link {
    text-decoration: none;
    text-align: center;
    border: 2px solid #e41a2b;
    background-color: var(--primary);
    color: #FFF;
    padding: 10px 50px;
    margin-top: 50px;
}

section.blog button.btn.btn-link:hover {
    background: none;
    color: #182527;
    border: 2px solid #e41a2b;

}


@media screen and (max-width:767px) {
    section.blog {
        padding: 50px 0;
    }

    section.blog .grid-blog {
        display: block;
    }

    section.blog .grid-blog .card {
        margin-bottom: 15px;
    }
}

@media screen and (min-width:767px) and (max-width:1023px) {
    section.blog {
        padding: 50px 0;
    }

    section.blog .grid-blog {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    section.blog .grid-blog .card {
        margin-bottom: 15px;
    }
}

@media screen and (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {}