body {
    font-family: Arial, "Noto Sans Bengali", sans-serif;
    background: #eef2f7;
    color: #172033;
    line-height: 1.7;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: #101a2b;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(0,0,0,.12);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 210px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #22b573;
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 22px;
}

.brand strong {
    display: block;
    font-size: 18px;
}

.brand small {
    display: block;
    color: #aeb9cb;
    font-size: 11px;
}

.main-nav {
    display: flex;
    gap: 20px;
    flex: 1;
}

.main-nav a {
    color: #d8dfeb;
    font-size: 14px;
}

.main-nav a:hover {
    color: #fff;
}

.language-switcher {
    display: flex;
    border: 1px solid #3a475d;
    border-radius: 999px;
    padding: 3px;
}

.language-switcher a {
    padding: 5px 10px;
    border-radius: 999px;
    color: #cbd4e1;
    font-size: 12px;
}

.language-switcher a.active {
    background: #f1c84b;
    color: #162033;
    font-weight: 700;
}

.hero {
    background:
        radial-gradient(circle at 80% 20%, rgba(55,183,126,.26), transparent 32%),
        linear-gradient(135deg, #17263c, #263b56);
    color: #fff;
}

.hero-content {
    min-height: 330px;
    display: flex;
    align-items: center;
}

.hero-content > div {
    max-width: 760px;
}

.eyebrow,
.section-kicker {
    display: inline-block;
    color: #1d9b67;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
}

.hero .eyebrow {
    color: #76e2b3;
}

.hero h1 {
    margin-top: 10px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.12;
}

.hero p {
    margin-top: 18px;
    color: #cbd7e7;
    font-size: 17px;
}

.section-block {
    padding: 58px 0;
}

.section-heading,
.admin-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin-bottom: 24px;
}

.section-heading h1,
.section-heading h2,
.admin-heading h1 {
    margin-top: 2px;
    line-height: 1.2;
}

.section-heading h2,
.admin-heading h1 {
    font-size: 30px;
}

.text-link,
.read-more {
    color: #168b5c;
    font-weight: 700;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.article-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(29,48,76,.08);
    border: 1px solid #e1e7ef;
}

.article-card.featured {
    grid-column: span 2;
}

.article-image {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #1d2b42;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .25s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.03);
}

.article-image.placeholder {
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 900;
    letter-spacing: .2em;
    background: linear-gradient(135deg, #1c314b, #2a5570);
}

.article-body {
    padding: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: #718096;
    font-size: 12px;
}

.article-meta span:first-child {
    color: #178b5d;
    font-weight: 700;
}

.article-card h3 {
    margin-top: 8px;
    font-size: 20px;
    line-height: 1.35;
}

.article-card h3 a:hover {
    color: #168b5c;
}

.article-card p {
    margin-top: 10px;
    color: #667085;
    font-size: 14px;
}

.read-more {
    display: inline-block;
    margin-top: 12px;
    font-size: 13px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.category-card {
    background: #fff;
    border: 1px solid #e1e7ef;
    border-radius: 14px;
    padding: 20px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(29,48,76,.1);
}

.category-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: #e4f7ee;
    color: #168b5c;
    margin-bottom: 14px;
}

.category-card strong,
.category-card > span:last-child {
    display: block;
}

.category-card > span:last-child {
    color: #758195;
    font-size: 12px;
    margin-top: 4px;
}

.empty-state {
    background: #fff;
    border: 1px dashed #bdc8d7;
    padding: 40px;
    border-radius: 14px;
    text-align: center;
    color: #697586;
}

.article-page {
    padding-top: 56px;
    padding-bottom: 70px;
    max-width: 900px;
}

.article-header h1 {
    margin-top: 12px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.2;
}

.article-lead {
    margin-top: 14px;
    color: #667085;
    font-size: 18px;
}

.article-cover {
    width: 100%;
    max-height: 560px;
    object-fit: cover;
    border-radius: 18px;
    margin: 30px 0;
}

.article-content {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    font-size: 17px;
    line-height: 2;
    white-space: normal;
    box-shadow: 0 8px 30px rgba(29,48,76,.06);
}

.static-page {
    max-width: 850px;
    padding-top: 60px;
    padding-bottom: 80px;
}

.static-page h1 {
    margin-top: 8px;
    font-size: 42px;
}

.static-page p {
    margin-top: 20px;
    color: #566176;
    font-size: 17px;
}

.site-footer {
    background: #101a2b;
    color: #c7d0dd;
    margin-top: 30px;
}

.footer-inner {
    min-height: 150px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.footer-inner strong {
    color: #fff;
}

.footer-inner p {
    margin-top: 6px;
    color: #8997ab;
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 18px;
    font-size: 13px;
}

.copyright {
    border-top: 1px solid #26354b;
    text-align: center;
    padding: 14px;
    color: #77869b;
    font-size: 12px;
}


/* =========================================
   Modern Header
========================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(12, 25, 43, 0.97);

    border-bottom: 1px solid rgba(255, 255, 255, 0.07);

    box-shadow: 0 8px 30px rgba(7, 20, 35, 0.16);
}

.header-inner {
    min-height: 76px;

    display: flex;
    align-items: center;
    gap: 28px;
}


/* Logo */

.brand {
    display: flex;
    align-items: center;
    gap: 11px;

    color: #ffffff;
    text-decoration: none;

    flex-shrink: 0;
}

.brand-mark {
    width: 40px;
    height: 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 12px;

    background: #159565;

    color: #ffffff;

    font-size: 20px;
    font-weight: 800;

    box-shadow: 0 6px 18px rgba(21, 149, 101, 0.25);
}

.brand strong {
    display: block;

    color: #ffffff;

    font-size: 18px;
    line-height: 1.2;
}

.brand small {
    display: block;

    margin-top: 3px;

    color: #91a4bb;

    font-size: 10px;
}


/* Navigation */

.main-nav {
    display: flex;
    align-items: center;

    gap: 4px;

    margin-left: auto;
}

.main-nav a {
    position: relative;

    display: inline-flex;
    align-items: center;

    min-height: 42px;

    padding: 0 15px;

    border-radius: 10px;

    color: #cbd5e1;

    text-decoration: none;

    font-size: 15px;
    font-weight: 600;

    transition:
        color .2s ease,
        background .2s ease;
}

.main-nav a:hover {
    color: #ffffff;

    background: rgba(255, 255, 255, .07);
}


/* 当前栏目 */

.main-nav a.active,
.main-nav a[aria-current="page"] {
    color: #ffffff;

    background: rgba(21, 149, 101, .16);
}

.main-nav a.active::after,
.main-nav a[aria-current="page"]::after {
    content: "";

    position: absolute;

    left: 15px;
    right: 15px;
    bottom: 4px;

    height: 2px;

    border-radius: 10px;

    background: #19a873;
}


/* Language */

.language-switcher {
    display: flex;
    align-items: center;

    gap: 3px;

    margin-left: 8px;

    padding-left: 12px;

    border-left: 1px solid rgba(255, 255, 255, .12);
}

.language-switcher a {
    padding: 7px 9px;

    border-radius: 7px;

    color: #9fb0c4;

    text-decoration: none;

    font-size: 12px;
    font-weight: 600;
}

.language-switcher a:hover {
    color: #ffffff;
}

.language-switcher a.active {
    color: #ffffff;

    background: rgba(255, 255, 255, .09);
}


/* Mobile menu button */

.mobile-menu-btn {
    display: none;

    width: 42px;
    height: 42px;

    margin-left: auto;

    padding: 9px;

    border: 0;
    border-radius: 10px;

    background: rgba(255, 255, 255, .08);

    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;

    width: 22px;
    height: 2px;

    margin: 5px auto;

    border-radius: 2px;

    background: #ffffff;

    transition: .2s ease;
}