/* ==================================================
   PHONGVT - TRANG DANH SÁCH CHI HỘI
================================================== */

.phongvt-chapter-page,
.phongvt-chapter-page *{
    box-sizing:border-box;
}

.phongvt-chapter-page{
    width:100%;
    overflow:hidden;
    background:#f5f5f5;
    color:#07112d;
}

/* Chỉ áp dụng container cho trang Chi hội */
.phongvt-chapter-page .phongvt-container{
    width:min(1450px,calc(100% - 40px)) !important;
    max-width:1450px !important;
    margin-left:auto !important;
    margin-right:auto !important;
    padding-left:0 !important;
    padding-right:0 !important;
}


/* ==================================================
   BANNER
================================================== */

.phongvt-chapter-banner{
    position:relative;
    display:block;
    width:100%;
    min-height:390px;
    background-image:url("/wp-content/uploads/2026/07/banner-chi-hoi.jpg");
    background-repeat:no-repeat;
    background-position:center center;
    background-size:cover;
}

/* Lớp phủ nhẹ */
.phongvt-chapter-banner::after{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.04);
}


/* ==================================================
   KHUNG TIÊU ĐỀ + TAB
================================================== */

.phongvt-chapter-heading{
    position:relative;
    z-index:5;
    width:100%;
    margin-top:-76px;
    overflow:hidden;
    background:#fff;
    border-radius:20px;
    box-shadow:0 8px 28px rgba(15,23,42,.06);
}

.phongvt-chapter-heading h1{
    margin:0 !important;
    padding:34px 25px 27px;
    color:#07112d;
    font-size:32px;
    line-height:1.35;
    font-weight:700;
    text-align:center;
    text-transform:none;
}

.phongvt-chapter-heading h1 strong{
    color:#0798d4;
}

.phongvt-chapter-tabs{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    width:100%;
    border-top:1px solid #e4e7ec;
}

.phongvt-chapter-tabs button{
    display:flex;
    align-items:center;
    justify-content:center;
    width:100%;
    height:66px;
    margin:0 !important;
    padding:0 15px;
    background:#fff;
    border:0;
    border-right:1px solid #e4e7ec;
    border-radius:0;
    box-shadow:none;
    color:#344054;
    font-size:16px;
    line-height:1.3;
    font-weight:600;
    text-transform:none;
    transition:.25s ease;
}

.phongvt-chapter-tabs button:last-child{
    border-right:0;
}

.phongvt-chapter-tabs button.active,
.phongvt-chapter-tabs button:hover{
    background:#f7fcff;
    color:#0798d4;
}


/* ==================================================
   DANH SÁCH CHI HỘI
================================================== */

.phongvt-chapter-grid{
    display:grid;
    grid-template-columns:repeat(6,minmax(0,1fr));
    gap:34px 26px;
    width:100%;
    padding:52px 0 75px;
}

.phongvt-chapter-card{
    min-width:0;
}

.phongvt-chapter-card-image{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    width:100%;
    aspect-ratio:1/1;
    overflow:hidden;
    background:linear-gradient(135deg,#327bc8 0%,#08a4dc 100%);
    border-radius:13px;
    box-shadow:0 5px 18px rgba(15,23,42,.05);
    transition:.3s ease;
}

.phongvt-chapter-card:hover .phongvt-chapter-card-image{
    transform:translateY(-5px);
    box-shadow:0 16px 32px rgba(15,23,42,.14);
}

.phongvt-chapter-card-image img{
    display:block;
    width:72%;
    height:72%;
    object-fit:contain;
}

.phongvt-chapter-placeholder{
    padding:20px;
    color:#fff;
    font-size:18px;
    line-height:1.4;
    font-weight:700;
    text-align:center;
}

.phongvt-chapter-arrow{
    position:absolute;
    top:12px;
    right:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    width:30px;
    height:30px;
    background:#fff;
    border-radius:50%;
    color:#3478c8;
    font-size:14px;
    box-shadow:0 3px 10px rgba(15,23,42,.12);
}

.phongvt-chapter-card h2{
    margin:14px 0 5px !important;
    color:#07112d;
    font-size:16px;
    line-height:1.4;
    font-weight:600;
    text-transform:none;
}

.phongvt-chapter-card h2 a{
    color:#07112d;
    text-decoration:none;
}

.phongvt-chapter-card h2 a:hover{
    color:#0798d4;
}

.phongvt-chapter-members{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:#0798d4;
    font-size:13px;
    line-height:1.4;
    font-weight:600;
    text-decoration:none;
}

.phongvt-chapter-members:hover{
    color:#057dad;
}


/* ==================================================
   TABLET
================================================== */

@media(max-width:849px){

    .phongvt-chapter-page .phongvt-container{
        width:calc(100% - 30px) !important;
    }

    .phongvt-chapter-banner{
        min-height:300px;
    }

    .phongvt-chapter-heading{
        margin-top:-55px;
    }

    .phongvt-chapter-heading h1{
        font-size:27px;
    }

    .phongvt-chapter-grid{
        grid-template-columns:repeat(3,minmax(0,1fr));
        gap:28px 20px;
    }
}


/* ==================================================
   MOBILE
================================================== */

@media(max-width:549px){

    .phongvt-chapter-page .phongvt-container{
        width:calc(100% - 24px) !important;
    }

    .phongvt-chapter-banner{
        min-height:220px;
        background-position:center;
    }

    .phongvt-chapter-heading{
        margin-top:-35px;
        border-radius:15px;
    }

    .phongvt-chapter-heading h1{
        padding:25px 15px 21px;
        font-size:22px;
    }

    .phongvt-chapter-tabs{
        grid-template-columns:repeat(2,minmax(0,1fr));
    }

    .phongvt-chapter-tabs button{
        height:54px;
        font-size:14px;
        border-bottom:1px solid #e4e7ec;
    }

    .phongvt-chapter-tabs button:nth-child(2n){
        border-right:0;
    }

    .phongvt-chapter-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:24px 14px;
        padding:32px 0 50px;
    }

    .phongvt-chapter-card h2{
        margin-top:11px !important;
        font-size:14px;
    }

    .phongvt-chapter-members{
        font-size:12px;
    }
}