:root{
  --navy:#082c5a;
  --blue:#0d4a8f;
  --green:#2e8b2e;
  --green-2:#6bb52b;
  --gold:#e6a319;
  --ink:#163047;
  --muted:#617283;
  --surface:#ffffff;
  --soft:#f4f8f5;
  --line:#dfe8e2;
  --shadow:0 18px 50px rgba(8,44,90,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
body[dir="rtl"]{font-family:Tahoma,Arial,sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,92%);margin:auto}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:.75rem 1rem;z-index:999}
.skip-link:focus{left:1rem;top:1rem}
.topbar{background:linear-gradient(90deg,var(--navy),var(--blue));color:#fff;font-size:.9rem}
.topbar-inner,.header-inner,.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.topbar-inner{min-height:38px}
.top-actions{display:flex;gap:1.2rem}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,232,226,.8)}
.header-inner{min-height:84px}
.brand,.footer-brand{display:flex;align-items:center;gap:.8rem}
.brand img,.footer-brand img{width:58px;height:58px;object-fit:contain;border-radius:50%;background:#fff}
.brand strong,.footer-brand strong{display:block;color:var(--navy);font-size:1rem}
.brand span,.footer-brand span{display:block;font-size:.76rem;color:var(--green)}
.main-nav{display:flex;align-items:center;gap:.2rem;flex:1;justify-content:center}
.main-nav a{padding:.58rem .55rem;border-radius:10px;font-size:.82rem;font-weight:700}
.main-nav a:hover,.main-nav a.active{background:var(--soft);color:var(--green)}
.language-select{border:1px solid var(--line);background:#fff;padding:.6rem .7rem;border-radius:12px;color:var(--navy)}
.menu-toggle{display:none;border:0;background:var(--navy);color:#fff;border-radius:10px;padding:.55rem .75rem}
.hero{position:relative;overflow:hidden;background:
linear-gradient(110deg,rgba(8,44,90,.96),rgba(13,74,143,.87) 52%,rgba(46,139,46,.78)),
url("../images/event-1.jpg") center/cover;min-height:640px;color:#fff;display:grid;align-items:center}
.hero:after{content:"";position:absolute;inset:auto -8% -35% 38%;height:520px;background:rgba(255,255,255,.08);border-radius:50%;filter:blur(2px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:4rem;align-items:center;position:relative;z-index:1;padding:5.5rem 0}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:800;color:var(--green)}
.hero .eyebrow{color:#d6ffbb}
.hero h1{font-size:clamp(2.7rem,6vw,5.6rem);line-height:1.04;margin:.8rem 0 1rem;max-width:900px}
.hero p{font-size:1.12rem;max-width:680px;color:#e8f3ff}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.button{display:inline-flex;justify-content:center;align-items:center;gap:.5rem;background:linear-gradient(90deg,var(--green),var(--green-2));color:#fff;padding:.92rem 1.25rem;border-radius:14px;font-weight:800;border:0;cursor:pointer;box-shadow:0 12px 30px rgba(46,139,46,.24)}
.button-secondary{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.4);box-shadow:none}
.button-light{background:#fff;color:var(--navy)}
.hero-card{background:rgba(255,255,255,.94);color:var(--ink);border-radius:30px;padding:1.4rem;box-shadow:var(--shadow);transform:rotate(1.2deg)}
.hero-card img{width:100%;height:360px;object-fit:cover;border-radius:22px}
.hero-card figcaption{padding:.9rem .25rem .2rem;font-weight:800;color:var(--navy)}
.section{padding:6rem 0}
.section-soft{background:var(--soft)}
.section-dark{background:linear-gradient(130deg,var(--navy),#071f3e);color:#fff}
.section-head{max-width:760px;margin-bottom:2.3rem}
.section-head h2,.page-hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.12;margin:.5rem 0}
.section-head p{color:var(--muted)}
.section-dark .section-head p{color:#d6e3ef}
.grid-2,.grid-3,.grid-4{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:0 10px 34px rgba(8,44,90,.06)}
.card h3{margin:.4rem 0 .6rem;color:var(--navy)}
.card p{color:var(--muted)}
.icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(140deg,#e9f7e3,#e9f0fb);font-size:1.6rem}
.stat{padding:1.8rem;border-left:4px solid var(--green);background:rgba(255,255,255,.08);border-radius:18px}
.stat strong{display:block;font-size:2.4rem;color:#fff}
.page-hero{padding:5.5rem 0 4.5rem;color:#fff;background:linear-gradient(115deg,var(--navy),var(--blue) 65%,var(--green))}
.page-hero p{max-width:780px;color:#e4effa;font-size:1.08rem}
.breadcrumb{font-size:.88rem;opacity:.8}
.media-block{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.media-block img{width:100%;height:460px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
.timeline{display:grid;gap:1rem}
.timeline-item{display:grid;grid-template-columns:70px 1fr;gap:1rem;align-items:start}
.timeline-num{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900}
.check-list{padding:0;margin:1rem 0;list-style:none}
.check-list li{padding:.45rem 0 .45rem 1.8rem;position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
body[dir="rtl"] .check-list li{padding:.45rem 1.8rem .45rem 0}
body[dir="rtl"] .check-list li:before{right:0;left:auto}
.gallery-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem}
.gallery-grid img{width:100%;height:280px;object-fit:cover;border-radius:20px}
.gallery-grid img:first-child{height:576px;grid-row:span 2}
.quote{font-size:1.3rem;color:var(--navy);border-left:5px solid var(--gold);padding-left:1.3rem}
.accordion details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:.8rem;padding:1rem 1.2rem}
.accordion summary{cursor:pointer;font-weight:800;color:var(--navy)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.form-group{display:grid;gap:.35rem}
.form-group.full{grid-column:1/-1}
.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem;background:#fff}
.form-group textarea{min-height:140px;resize:vertical}
.notice{padding:1rem 1.2rem;border-radius:14px;background:#fff8e5;border:1px solid #f0d48a;color:#714f00}
.cta-strip{background:linear-gradient(90deg,var(--green),var(--green-2));color:#fff;padding:2.4rem 0}
.cta-strip .eyebrow{color:#e8ffda}
.cta-strip h2{margin:.2rem 0 0}
.footer{background:#061d39;color:#cdd9e5;padding:4.2rem 0 1.2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr 1fr;gap:2rem}
.footer h3{color:#fff}
.footer a{display:block;margin:.35rem 0}
.footer-brand strong{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.4rem;padding-top:1rem;display:flex;justify-content:space-between;gap:1rem;font-size:.85rem}
.badge{display:inline-block;background:#e9f7e3;color:var(--green);padding:.35rem .7rem;border-radius:999px;font-size:.8rem;font-weight:800}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}
th,td{padding:1rem;border-bottom:1px solid var(--line);text-align:left}
th{background:#edf5ef;color:var(--navy)}
body[dir="rtl"] th,body[dir="rtl"] td{text-align:right}
@media(max-width:1100px){
  .main-nav{position:absolute;top:84px;left:4%;right:4%;display:none;flex-direction:column;align-items:stretch;background:#fff;padding:1rem;border-radius:18px;box-shadow:var(--shadow);max-height:70vh;overflow:auto}
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .language-select{margin-left:auto}
  .hero-grid,.media-block{grid-template-columns:1fr}
  .hero-card{max-width:680px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .top-actions{display:none}
  .brand span{display:none}
  .brand img{width:48px;height:48px}
  .hero{min-height:auto}
  .hero-grid{padding:4rem 0}
  .hero-card img{height:260px}
  .section{padding:4rem 0}
  .grid-2,.grid-3,.grid-4,.form-grid,.footer-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-grid img,.gallery-grid img:first-child{height:260px;grid-row:auto}
  .cta-inner,.footer-bottom{align-items:flex-start;flex-direction:column}
  .page-hero{padding:4rem 0 3rem}
}

/* ===== Header v2: spacious two-level desktop navigation ===== */
.site-header{
  background:rgba(255,255,255,.98);
  box-shadow:0 8px 30px rgba(8,44,90,.07);
}
.header-inner{
  min-height:0;
  display:grid;
  grid-template-columns:minmax(260px,1fr) auto;
  grid-template-areas:
    "brand controls"
    "nav nav";
  align-items:center;
  column-gap:1.5rem;
  row-gap:0;
  padding-top:.72rem;
}
.brand{
  grid-area:brand;
  min-width:0;
  padding:.3rem 0 .7rem;
}
.brand img{
  width:66px;
  height:66px;
  flex:0 0 66px;
  border:1px solid var(--line);
  box-shadow:0 6px 18px rgba(8,44,90,.08);
}
.brand>div{min-width:0}
.brand strong{
  font-size:1.08rem;
  line-height:1.25;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand span{
  margin-top:.18rem;
  max-width:520px;
  line-height:1.35;
  white-space:normal;
}
.language-select{
  grid-area:controls;
  min-width:116px;
  justify-self:end;
  padding:.7rem 2.25rem .7rem .85rem;
  font-weight:700;
  cursor:pointer;
}
.main-nav{
  grid-area:nav;
  width:100%;
  display:grid;
  grid-template-columns:repeat(15,minmax(0,1fr));
  gap:.18rem;
  justify-content:stretch;
  border-top:1px solid var(--line);
  padding:.48rem 0 .62rem;
}
.main-nav a{
  min-width:0;
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:.5rem .28rem;
  border-radius:10px;
  font-size:.72rem;
  line-height:1.18;
  text-align:center;
  overflow-wrap:anywhere;
}
.menu-toggle{grid-area:controls;justify-self:end}
body[dir="rtl"] .language-select{padding:.7rem .85rem .7rem 2.25rem}

@media(max-width:1250px){
  .header-inner{
    grid-template-columns:minmax(220px,1fr) auto auto;
    grid-template-areas:"brand language menu";
    padding:.65rem 0;
  }
  .brand{padding:0}
  .brand img{width:56px;height:56px;flex-basis:56px}
  .brand span{display:none}
  .language-select{grid-area:language;margin:0;min-width:110px}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;grid-area:menu;width:44px;height:44px;font-size:1.2rem}
  .main-nav{
    position:absolute;
    top:100%;
    left:max(4%,calc((100% - 1180px)/2));
    right:max(4%,calc((100% - 1180px)/2));
    width:auto;
    display:none;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:.45rem;
    align-items:stretch;
    background:#fff;
    padding:1rem;
    border:1px solid var(--line);
    border-radius:0 0 20px 20px;
    box-shadow:var(--shadow);
    max-height:72vh;
    overflow:auto;
  }
  .main-nav.open{display:grid}
  .main-nav a{justify-content:flex-start;text-align:start;padding:.75rem .8rem;font-size:.86rem;min-height:46px;background:var(--soft)}
  body[dir="rtl"] .main-nav a{justify-content:flex-end;text-align:right}
}

@media(max-width:760px){
  .topbar-inner{min-height:34px;justify-content:center;text-align:center;font-size:.78rem}
  .header-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:.55rem}
  .brand{gap:.55rem}
  .brand img{width:48px;height:48px;flex-basis:48px}
  .brand strong{font-size:.9rem;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .language-select{min-width:92px;max-width:100px;padding:.58rem 1.8rem .58rem .65rem;font-size:.82rem}
  .menu-toggle{width:40px;height:40px;padding:0}
  .main-nav{left:3%;right:3%;grid-template-columns:1fr 1fr;padding:.75rem;border-radius:0 0 16px 16px}
  .main-nav a{font-size:.8rem;padding:.68rem .7rem}
}

@media(max-width:480px){
  .header-inner{grid-template-columns:minmax(0,1fr) auto}
  .brand strong{font-size:.82rem}
  .language-select{display:none}
  .menu-toggle{grid-column:2}
  .main-nav{grid-template-columns:1fr}
  .main-nav:before{
    content:"Language";
    font-weight:800;
    color:var(--navy);
    padding:.2rem .4rem;
  }
  .main-nav:after{
    content:"বাংলা · English · हिन्दी · العربية · Français";
    display:block;
    background:#eef6ef;
    border-radius:10px;
    padding:.7rem;
    color:var(--green);
    font-size:.78rem;
    text-align:center;
  }
}