:root{
  --green:#0c5f39;
  --green-2:#128653;
  --gold:#c79a28;
  --cream:#fff8ea;
  --soft:#f6f1e5;
  --white:#ffffff;
  --text:#1f2b24;
  --muted:#66736c;
  --shadow:0 20px 60px rgba(11,65,40,.13);
  --radius:26px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Poppins','Noto Sans Bengali',sans-serif;background:var(--cream);color:var(--text);overflow-x:hidden}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1120px,92%);margin-inline:auto}.narrow{max-width:900px}.section-pad{padding:92px 0}.soft-bg{background:var(--soft)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,234,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(12,95,57,.09)}
.navbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--green);line-height:1.05}.brand img{width:58px;height:58px;object-fit:contain}.brand strong{color:var(--gold)}.nav-menu{display:flex;align-items:center;gap:24px}.nav-menu a{font-size:15px;font-weight:600;color:#28513d;transition:.25s}.nav-menu a:hover{color:var(--green-2)}.lang-btn,.menu-toggle{border:0;cursor:pointer;font-family:inherit}.lang-btn{background:var(--green);color:white;padding:10px 16px;border-radius:999px;font-weight:700;box-shadow:0 10px 24px rgba(12,95,57,.22)}.menu-toggle{display:none;background:white;color:var(--green);font-size:26px;border-radius:14px;padding:6px 12px;box-shadow:var(--shadow)}
.hero{position:relative;padding:96px 0 82px;background:radial-gradient(circle at 80% 20%,rgba(199,154,40,.18),transparent 30%),linear-gradient(135deg,#fff8ea 0%,#f4ecd8 100%)}.hero:before{content:"";position:absolute;inset:auto -80px -140px auto;width:350px;height:350px;border-radius:50%;background:rgba(12,95,57,.08)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:54px}.badge{display:inline-flex;align-items:center;background:white;color:var(--green);border:1px solid rgba(12,95,57,.14);padding:10px 18px;border-radius:999px;font-weight:700;margin-bottom:22px;box-shadow:0 12px 30px rgba(11,65,40,.08)}.hero h1{font-size:clamp(38px,6vw,70px);line-height:1.05;color:var(--green);letter-spacing:-1.7px;margin-bottom:24px}.hero p{font-size:clamp(16px,2vw,21px);line-height:1.8;color:#526159;max-width:690px;margin-bottom:32px}.hero-actions{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 28px;border-radius:999px;font-weight:800;transition:.25s;border:1px solid transparent;cursor:pointer;font-family:inherit}.btn:hover{transform:translateY(-3px)}.btn-primary{background:linear-gradient(135deg,var(--green),var(--green-2));color:white;box-shadow:0 16px 28px rgba(12,95,57,.25)}.btn-secondary{background:white;color:var(--green);border-color:rgba(12,95,57,.16)}.btn-light{background:white;color:var(--green)}.full{width:100%}.hero-points{display:flex;flex-wrap:wrap;gap:10px}.hero-points span{background:rgba(255,255,255,.75);padding:10px 14px;border-radius:999px;color:#315945;font-size:14px;font-weight:700}.hero-card{background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.7);border-radius:36px;padding:36px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}.hero-logo-ring{display:grid;place-items:center;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#fff 45%,rgba(12,95,57,.12));padding:32px;margin:auto;max-width:390px}.hero-logo-ring img{filter:drop-shadow(0 20px 35px rgba(12,95,57,.2))}.hero-poster-card{padding:22px}.hero-poster-frame{position:relative;overflow:hidden;border-radius:30px;background:#efe4c9;box-shadow:0 24px 48px rgba(11,65,40,.16);border:1px solid rgba(199,154,40,.25)}.hero-poster-frame:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.18),transparent 40%,rgba(12,95,57,.06));pointer-events:none}.hero-poster-frame img{width:100%;height:auto;display:block}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stats-grid div{background:#fff;border-radius:18px;padding:16px;text-align:center}.stats-grid strong{display:block;color:var(--green);font-size:24px}.stats-grid span{font-size:12px;color:var(--muted);font-weight:700}
.section-title{text-align:center;max-width:780px;margin:0 auto 48px}.section-title.left{text-align:left;margin-left:0}.section-title span{color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:1.5px;font-size:13px}.section-title h2{font-size:clamp(30px,4vw,48px);line-height:1.18;color:var(--green);margin:10px 0 15px}.section-title p{color:var(--muted);font-size:17px;line-height:1.8}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:24px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.info-card,.course-card,.contact-card,.testimonial-card,.story-card,.registration-form,.mission-box{background:white;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);border:1px solid rgba(12,95,57,.08);transition:.25s}.info-card:hover,.course-card:hover,.contact-card:hover,.teacher-card:hover{transform:translateY(-8px)}.icon{font-size:42px;margin-bottom:16px}.info-card h3,.course-card h3,.contact-card h3{color:var(--green);margin-bottom:12px}.info-card p,.course-card p,.contact-card p,.story-card p,.mission-box p,.teacher-card p{color:var(--muted);line-height:1.85}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}.mission-stack{display:grid;gap:20px}.mission-box{background:linear-gradient(135deg,var(--green),#09462b);color:white}.mission-box h3{font-size:26px;margin-bottom:12px}.mission-box p{color:rgba(255,255,255,.86)}.mission-box.light{background:#fff}.mission-box.light h3{color:var(--green)}.mission-box.light p{color:var(--muted)}.story-card h3{font-size:30px;color:var(--green);margin-bottom:16px}.text-btn{background:var(--green);color:white;border:0;border-radius:999px;padding:13px 24px;font-weight:800;cursor:pointer;font-family:inherit}.more-text{display:none;margin-top:24px;padding-top:24px;border-top:1px solid rgba(12,95,57,.12)}.courses-grid{grid-template-columns:repeat(auto-fit,minmax(235px,1fr))}.course-card{text-align:center}.course-card:hover{background:var(--green);color:white}.course-card:hover h3,.course-card:hover p{color:white}.teachers-grid{grid-template-columns:repeat(3,1fr)}.teacher-card{background:white;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(12,95,57,.08);transition:.25s}.teacher-card img{width:100%;height:315px;object-fit:cover;object-position:top}.teacher-card div{padding:24px}.teacher-card h3{color:var(--green);font-size:22px}.teacher-card span{display:block;color:var(--gold);font-weight:800;margin:8px 0 10px}.registration-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}.check-list{list-style:none;margin-top:22px;display:grid;gap:12px}.check-list li{background:white;border-radius:16px;padding:14px 16px;color:#315945;font-weight:700;box-shadow:0 12px 24px rgba(11,65,40,.07)}.check-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:10px}.registration-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}.registration-form label{display:grid;gap:8px;font-size:14px;font-weight:800;color:#315945}.registration-form input,.registration-form select{width:100%;min-height:50px;border:1px solid rgba(12,95,57,.18);border-radius:16px;padding:0 14px;font-family:inherit;font-size:15px;background:#fff;color:var(--text);outline:none}.registration-form input:focus,.registration-form select:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(12,95,57,.09)}.registration-form button,.registration-form .form-note{grid-column:1/-1}.form-note{text-align:center;color:var(--muted);font-size:13px}.testimonial-card{text-align:center}.stars{letter-spacing:4px;color:var(--gold);font-size:28px;margin-bottom:12px}.testimonial-card h3{color:var(--green);font-size:28px;margin-bottom:12px}.cta{padding:88px 0;text-align:center;background:linear-gradient(135deg,var(--green),#073d27);color:white}.cta h2{font-size:clamp(30px,4vw,46px);margin-bottom:14px}.cta p{color:rgba(255,255,255,.84);font-size:18px;margin-bottom:28px}.faq-list{display:grid;gap:14px}.faq-item{background:white;border-radius:18px;overflow:hidden;box-shadow:0 12px 30px rgba(11,65,40,.08)}.faq-question{width:100%;border:0;background:white;text-align:left;padding:20px 22px;font:700 17px/1.5 'Poppins','Noto Sans Bengali',sans-serif;color:var(--green);cursor:pointer;display:flex;justify-content:space-between;gap:16px}.faq-answer{display:none;padding:0 22px 22px;color:var(--muted);line-height:1.8}.faq-item.active .faq-answer{display:block}.faq-item.active .faq-question span{transform:rotate(45deg)}.contact-card{text-align:center}.contact-card a{color:var(--green);font-weight:800}.footer{background:#073d27;color:white;padding:66px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px}.footer img{width:78px;margin-bottom:14px}.footer h3,.footer h4{margin-bottom:14px}.footer p,.footer a{display:block;color:rgba(255,255,255,.8);line-height:1.9;margin-bottom:8px}.copyright{text-align:center;margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.7)}.whatsapp{position:fixed;right:18px;bottom:18px;z-index:40;background:#25d366;color:white;border-radius:999px;padding:13px 18px;font-weight:900;box-shadow:0 14px 28px rgba(0,0,0,.22)}.reveal{opacity:0;transform:translateY(22px);transition:.6s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:980px){.menu-toggle{display:block}.nav-menu{position:absolute;left:4%;right:4%;top:86px;background:white;border-radius:24px;padding:18px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch;gap:8px}.nav-menu.open{display:flex}.nav-menu a,.nav-menu button{text-align:center}.hero-grid,.split,.registration-grid{grid-template-columns:1fr}.hero{padding:64px 0}.hero-card{max-width:560px;margin:auto}.card-grid.four,.teachers-grid,.footer-grid{grid-template-columns:1fr 1fr}.section-pad{padding:72px 0}}
@media(max-width:640px){.container{width:min(100% - 28px,1120px)}.navbar{height:74px}.brand img{width:48px;height:48px}.brand span{font-size:14px}.hero h1{letter-spacing:-1px}.hero-actions .btn{width:100%}.hero-points{display:grid}.hero-card{padding:22px;border-radius:26px}.stats-grid{grid-template-columns:1fr}.section-title.left,.section-title{text-align:left}.card-grid,.card-grid.four,.teachers-grid,.footer-grid{grid-template-columns:1fr}.registration-form{grid-template-columns:1fr;padding:22px}.teacher-card img{height:280px}.section-pad{padding:58px 0}.info-card,.course-card,.contact-card,.testimonial-card,.story-card,.mission-box{padding:24px}.whatsapp{left:14px;right:14px;text-align:center}.footer{padding-bottom:80px}}

/* V2.1 poster hero fix */
@media(max-width:640px){.hero-poster-card{padding:14px}.hero-poster-frame{border-radius:22px}.hero-poster-frame img{max-height:520px;object-fit:cover;object-position:top}.stats-grid{grid-template-columns:repeat(2,1fr)}.stats-grid div:last-child{grid-column:1/-1}.stats-grid strong{font-size:22px}}
@media(max-width:420px){.hero-poster-frame img{max-height:440px}.stats-grid{gap:10px}.stats-grid div{padding:14px 10px}}
.teacher-image {
  cursor: pointer;
}

.teacher-qualification {
  display: none;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #e6ddcb;
  color: #53606a;
  line-height: 1.6;
}

.teacher-qualification p {
  margin: 3px 0;
}

.teacher-qualification.show {
  display: block;
}