:root {
    --green: #006a4e;
    --green-dark: #004d39;
    --green-deeper: #06382b;
    --green-tint: #e6f2ee;
    --red: #f42a41;
    --ink: #16261f;
    --muted: #5b6e66;
    --line: #dce7e2;
    --bg: #f7faf8;
    --white: #ffffff;
    --gold: #ffd9a8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Hind Siliguri', 'Noto Sans Bengali', 'SolaimanLipi', sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.7;
}

.bn-text { line-height: 2; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.nav { background: var(--green); position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 14px rgba(0,74,56,.22); }
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .seal { width: 52px; height: 52px; border: 2.5px solid rgba(255,255,255,.85); border-radius: 50%; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--white); flex-shrink: 0; }
.brand .seal img { width: 82%; height: 82%; object-fit: contain; }
.brand h1 { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: .3px; line-height: 1.25; }
.brand .lic { font-size: 12px; color: #d8ebe3; font-weight: 500; line-height: 1.3; }
.links-wrap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; align-items: center; }
.nav ul a { display: block; color: #eaf5f0; text-decoration: none; font-weight: 500; font-size: 14.5px; padding: 10px 13px; border-radius: 6px; transition: .15s; }
.nav ul a:hover { background: rgba(255,255,255,.14); color: #fff; }
.lang { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.lang-btn { background: none; border: 1px solid rgba(255,255,255,.45); color: #fff; font-family: inherit; font-size: 13px; padding: 4px 13px; cursor: pointer; border-radius: 999px; transition: .15s; }
.lang-btn.on { background: #fff; color: var(--green-deeper); border-color: #fff; font-weight: 600; }

.burger { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; background: none; border: none; cursor: pointer; padding: 10px; border-radius: 6px; }
.burger:hover { background: rgba(255,255,255,.14); }
.burger span { display: block; width: 24px; height: 2.5px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .15s; }
.burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-menu { display: none; background: var(--green-dark); border-top: 1px solid rgba(255,255,255,.08); padding: 6px 24px 16px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; color: #eaf5f0; text-decoration: none; font-weight: 500; font-size: 15.5px; padding: 13px 8px; border-bottom: 1px solid rgba(255,255,255,.07); }
.mobile-menu a:active, .mobile-menu a:hover { color: #fff; }
.mobile-menu .mm-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; flex-wrap: wrap; border-bottom: none; }

.hero { background: linear-gradient(160deg, var(--green-dark), var(--green)); color: #fff; padding: 68px 0 72px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(-45deg, transparent 0 34px, rgba(255,255,255,.035) 34px 36px); pointer-events: none; }
.hero .container { position: relative; max-width: 780px; text-align: center; }
.hero .kicker { display: inline-block; border: 1px solid rgba(255,255,255,.4); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; padding: 4px 16px; margin-bottom: 18px; }
.hero h2 { font-size: clamp(28px, 5vw, 42px); font-weight: 700; line-height: 1.25; margin-bottom: 14px; }
.hero h2 span { color: var(--gold); }
.hero p { font-size: 17px; opacity: .92; margin-bottom: 28px; }
.hero .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.licence-chip { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.28); border-radius: 8px; padding: 10px 22px; font-size: 15px; color: #eaf5f0; }
.licence-chip b { color: var(--gold); }
.licence-chip .tick { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }

.btn { display: inline-block; padding: 13px 30px; font-family: inherit; font-size: 16px; font-weight: 600; text-decoration: none; border-radius: 6px; transition: .2s; cursor: pointer; border: none; }
.btn-gold { background: var(--gold); color: var(--green-deeper); }
.btn-gold:hover { background: #fff; }
.btn-ghost { border: 2px solid rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-fill { background: var(--green); color: #fff; }
.btn-fill:hover { background: var(--green-dark); }
.btn-line { border: 1.5px solid var(--green); color: var(--green); background: var(--white); }
.btn-line:hover { background: var(--green-tint); }
.btn-sm { padding: 9px 18px; font-size: 14px; font-weight: 600; border-radius: 6px; text-decoration: none; font-family: inherit; display: inline-block; transition: .2s; }

.stats { background: var(--white); border-bottom: 1px solid var(--line); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 28px 12px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: none; }
.stat .num { font-size: 34px; font-weight: 700; color: var(--green); line-height: 1.2; }
.stat .lab { font-size: 14px; color: var(--muted); font-weight: 500; }

section.block { padding: 64px 0; background: var(--bg); }
section.block.alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.sec-head .tag { color: var(--red); font-weight: 600; font-size: 14px; letter-spacing: 2.5px; text-transform: uppercase; }
.sec-head h2 { font-size: 30px; font-weight: 700; color: var(--green-dark); margin: 6px 0 10px; }
.sec-head p { color: var(--muted); font-size: 16px; }

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

.job { background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--green); border-radius: 6px; padding: 24px; display: flex; flex-direction: column; transition: .2s; }
.job:hover { box-shadow: 0 10px 28px rgba(0,74,56,.12); transform: translateY(-2px); }
.job .when { font-size: 13px; color: var(--muted); margin-bottom: 10px; display: inline-flex; align-items: center; gap: 6px; }
.job .when::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.job h3 { font-size: 18.5px; font-weight: 600; line-height: 1.5; margin-bottom: 12px; }
.job h3 a { color: var(--ink); text-decoration: none; }
.job h3 a:hover { color: var(--green); }
.job .desc { font-size: 14.5px; color: var(--muted); flex: 1; line-height: 1.75; overflow: hidden; }
.job .actions { display: flex; gap: 10px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.center { text-align: center; margin-top: 36px; }

.post-detail-card { background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--green); border-radius: 6px; padding: 36px; }
.post-detail-card .when { margin-bottom: 8px; }
.post-detail-card h2 { font-size: 26px; font-weight: 700; color: var(--ink); line-height: 1.45; margin-bottom: 6px; }
.post-full-body { white-space: pre-wrap; word-wrap: break-word; color: #3d4f47; font-size: 16px; margin-top: 16px; line-height: 2; }
.cta-row-post { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.back-link { display: inline-block; margin-bottom: 16px; color: var(--green-dark); text-decoration: none; font-weight: 600; }
.back-link:hover { color: var(--green); }

.empty-state { grid-column: 1 / -1; padding: 2.5rem 2rem; text-align: center; border: 1px dashed var(--green); color: var(--muted); background: var(--white); border-radius: 6px; }

.svc { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 24px; }
section.block.alt .svc { background: var(--bg); }
.svc .ico { width: 46px; height: 46px; border-radius: 6px; background: var(--green-tint); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
.svc h3 { font-size: 17.5px; font-weight: 600; margin-bottom: 6px; color: var(--green-dark); }
.svc p { font-size: 14.5px; color: var(--muted); }

.step { text-align: center; padding: 28px 20px; background: var(--white); border: 1px solid var(--line); border-radius: 6px; }
.step .n { width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%; background: var(--green); color: #fff; font-weight: 700; font-size: 19px; display: flex; align-items: center; justify-content: center; }
.step h3 { font-size: 16.5px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); }

.flags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.flag { border: 1px solid var(--line); background: var(--white); border-radius: 999px; padding: 8px 20px; font-weight: 500; font-size: 15px; }

footer { background: var(--green-deeper); color: #b9cfc6; padding: 48px 0 28px; font-size: 14.5px; }
footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; margin-bottom: 28px; }
footer h5 { color: #fff; font-size: 15px; margin-bottom: 12px; letter-spacing: .5px; }
footer p { color: #9db8ad; }
footer a { color: #b9cfc6; text-decoration: none; display: block; padding: 3px 0; }
footer a:hover { color: #fff; }
footer .base { border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; text-align: center; font-size: 13px; color: #8aa79b; }

.lang-content { display: none; }
.lang-content.active { display: block; }

@media (max-width: 920px) {
    .links-wrap { display: none; }
    .burger { display: flex; }
    .nav .container { padding: 8px 16px; }
    .brand h1 { font-size: 17px; }
    .brand .lic { font-size: 11px; }
    .mobile-menu { padding: 6px 16px 16px; }
    .stats .container { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(3) { border-left: none; }
    .grid-3 { grid-template-columns: 1fr; }
    footer .cols { grid-template-columns: 1fr; }
    .licence-chip { flex-direction: column; text-align: center; }
    .post-detail-card { padding: 24px; }
}