:root {
  --color-primary: #0b4d3a;      /* deep green */
  --color-primary-light: #e7f3ee;
  --color-gold: #c8a24d;
  --color-charcoal: #1f2937;
  --color-white: #ffffff;
  --font-en: 'Poppins', sans-serif;
  --font-bn: 'Noto Sans Bengali', sans-serif;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(11, 77, 58, 0.08);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-en), var(--font-bn); color: var(--color-charcoal); line-height: 1.6; }
:lang(bn) { font-family: var(--font-bn), var(--font-en); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.btn { display: inline-block; padding: 12px 24px; border-radius: var(--radius); font-weight: 600; transition: transform .15s ease, box-shadow .15s ease; }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { border: 1.5px solid var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; text-align: center; border: none; cursor: pointer; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.topbar { background: var(--color-primary); color: rgba(255,255,255,.9); font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 20px; flex-wrap: wrap; gap: 8px; }
.topbar-contact { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-contact i { color: var(--color-gold); margin-right: 5px; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.topbar-actions a { color: rgba(255,255,255,.9); }
.topbar-actions a:hover { color: var(--color-white); }
.topbar-sep { opacity: .4; }
.topbar-actions button { background: none; border: none; color: rgba(255,255,255,.9); font: inherit; font-size: 13px; cursor: pointer; padding: 0; }
.topbar-social { display: flex; gap: 10px; margin-left: 6px; }
.topbar-social a { width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,.15); display: flex; align-items: center; justify-content: center; font-size: 12px; }
.topbar-social a:hover { background: var(--color-gold); }

.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; }
.brand-text small { font-size: 11px; color: var(--color-gold); font-weight: 500; text-transform: none; }
.main-nav a.active { color: var(--color-primary); font-weight: 600; border-bottom: 2px solid var(--color-primary); padding-bottom: 4px; }

/* Dropdown menus */
.main-nav ul { align-items: center; }
.main-nav li { position: relative; }
.main-nav li > a { display: flex; align-items: center; gap: 6px; padding: 8px 0; position: relative; transition: color .15s ease; }
.main-nav li > a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--color-gold); transition: width .2s ease; }
.main-nav li > a:hover { color: var(--color-primary); }
.main-nav li > a:hover::after { width: 100%; }
.main-nav a.active::after { display: none; }
.nav-caret { font-size: 10px; transition: transform .2s ease; }
.has-dropdown:hover .nav-caret { transform: rotate(180deg); }

.dropdown-menu { list-style: none; margin: 0; padding: 10px; position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px); background: var(--color-white); border-radius: 10px; box-shadow: var(--shadow); min-width: 210px; opacity: 0; visibility: hidden; transition: opacity .18s ease, transform .18s ease; z-index: 70; }
.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-menu li { width: 100%; }
.dropdown-menu a { display: block; padding: 9px 14px; border-radius: 6px; font-size: 14px; font-weight: 500; color: var(--color-charcoal); white-space: nowrap; }
.dropdown-menu a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.dropdown-menu a::after { display: none; }
.dropdown-toggle-mobile { display: none; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-primary); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0; z-index: 100; font-weight: 600; }
.skip-link:focus { left: 0; }
.btn-pill { border-radius: 999px; padding: 11px 26px; }

.site-header { position: sticky; top: 0; z-index: 50; background: var(--color-white); transition: box-shadow .25s ease, padding .25s ease; }
.site-header.is-sticky { box-shadow: 0 4px 20px rgba(11,77,58,.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--color-primary); transition: opacity .15s ease; }
.brand:hover { opacity: .85; }
.brand img { height: 48px; width: auto; }
.main-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.main-nav a { font-weight: 500; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { font-size: 14px; color: var(--color-gold); font-weight: 600; }

.nav-search { position: relative; }
.nav-search input { padding: 8px 14px; border-radius: 999px; border: 1px solid #d1d5db; font-size: 13px; width: 150px; }
.nav-search-results { display: none; position: absolute; top: 100%; right: 0; margin-top: 8px; background: #fff; border-radius: 10px; box-shadow: var(--shadow); width: 280px; max-height: 320px; overflow-y: auto; z-index: 60; }
.nav-search-results.is-open { display: block; }
.nav-search-results a { display: block; padding: 10px 14px; font-size: 13px; border-bottom: 1px solid #f3f4f6; }
.nav-search-results a:last-child { border-bottom: none; }
.nav-search-results .tag { display: inline-block; font-size: 10px; text-transform: uppercase; color: var(--color-gold); font-weight: 700; margin-right: 8px; }
.nav-search-empty { padding: 12px 14px; font-size: 13px; color: #9ca3af; }
.hamburger { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--color-charcoal); }

.hero { position: relative; background: linear-gradient(180deg, #fbf8f2 0%, #f5efe2 100%); overflow: hidden; padding-bottom: 60px; }
.hero-split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; padding: 60px 20px 40px; }
.hero-text h1 { font-size: clamp(30px, 4vw, 46px); line-height: 1.15; color: var(--color-charcoal); margin: 0 0 20px; }
.hero-text h1 .accent { color: var(--color-primary); }
.hero-text p { font-size: 16px; color: #4b5563; max-width: 46ch; margin-bottom: 26px; }
.hero-text .btn { margin-right: 12px; }
.hero-image-wrap { position: relative; }
.hero-image-wrap img { width: 100%; height: 420px; object-fit: cover; border-radius: 20px; box-shadow: 0 20px 40px rgba(11,77,58,.15); }
.hero-fallback-visual { width: 100%; height: 420px; border-radius: 20px; background: var(--color-primary); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.85); }
.hero-fallback-visual i { font-size: 64px; }
.hero-wave { position: absolute; bottom: 0; left: 0; width: 100%; line-height: 0; }
.hero-wave svg { width: 100%; height: auto; display: block; }

.icon-strip { background: var(--color-primary); padding: 0; }
.icon-strip-inner { display: flex; flex-wrap: wrap; }
.icon-strip-item { flex: 1 1 200px; display: flex; align-items: center; gap: 14px; padding: 26px 24px; border-right: 1px solid rgba(255,255,255,.12); color: var(--color-white); }
.icon-strip-item:last-child { border-right: none; }
.icon-strip-item i { font-size: 26px; color: var(--color-gold); flex-shrink: 0; }
.icon-strip-item h3 { font-size: 15px; margin: 0 0 3px; }
.icon-strip-item p { font-size: 12px; margin: 0; color: rgba(255,255,255,.75); }

.welcome-intro { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.welcome-intro h2 { font-size: 28px; color: var(--color-primary); margin-bottom: 16px; }
.welcome-intro .divider { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 16px auto; }
.welcome-intro .divider span { width: 36px; height: 2px; background: var(--color-gold); }
.welcome-intro .divider i { color: var(--color-gold); font-size: 8px; }
.welcome-intro p { color: #4b5563; font-size: 15px; }

.welcome-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 30px; align-items: start; }
.quick-links-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.quick-link-card { border-radius: 14px; padding: 26px 22px; }
.quick-link-card i { font-size: 22px; width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.quick-link-card h3 { font-size: 17px; margin: 0 0 8px; }
.quick-link-card p { font-size: 13px; color: #4b5563; margin: 0 0 14px; }
.quick-link-card a { font-size: 13px; font-weight: 600; }
.quick-link-card a i { all: unset; margin-left: 4px; }
.quick-link-card.theme-green { background: #e9f6ef; } .quick-link-card.theme-green i { background: #cdebd9; color: var(--color-primary); } .quick-link-card.theme-green h3, .quick-link-card.theme-green a { color: var(--color-primary); }
.quick-link-card.theme-gold { background: #fdf3dd; } .quick-link-card.theme-gold i { background: #f8e3ab; color: #92700f; } .quick-link-card.theme-gold h3, .quick-link-card.theme-gold a { color: #92700f; }
.quick-link-card.theme-blue { background: #e8f1fb; } .quick-link-card.theme-blue i { background: #cadff6; color: #1d5b96; } .quick-link-card.theme-blue h3, .quick-link-card.theme-blue a { color: #1d5b96; }
.quick-link-card.theme-pink { background: #fbeaf3; } .quick-link-card.theme-pink i { background: #f6cfe4; color: #a02a6b; } .quick-link-card.theme-pink h3, .quick-link-card.theme-pink a { color: #a02a6b; }

.announcements-card { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.announcements-head { background: var(--color-primary); color: #fff; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; }
.announcements-head h3 { margin: 0; font-size: 16px; }
.announcements-head a { font-size: 13px; color: var(--color-gold); font-weight: 600; }
.announcements-list { list-style: none; margin: 0; padding: 10px 16px; }
.announcements-list li { display: flex; gap: 12px; padding: 12px 4px; border-bottom: 1px solid #f0f0f0; }
.announcements-list li:last-child { border-bottom: none; }
.announcements-list img { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.announcements-list .thumb-fallback { width: 52px; height: 52px; border-radius: 8px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 18px; }
.announcements-list h4 { margin: 0 0 4px; font-size: 13.5px; line-height: 1.35; color: var(--color-charcoal); }
.announcements-list span { font-size: 12px; color: #9ca3af; }

.site-footer { background: var(--color-charcoal); color: #e5e7eb; padding: 60px 0 20px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 30px; }
.newsletter-form { display: flex; gap: 8px; }
.newsletter-form input { flex: 1; min-width: 0; padding: 9px 12px; border-radius: 8px; border: none; font-size: 13px; }
.newsletter-form .btn-sm { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
.footer-grid h3, .footer-grid h4 { color: var(--color-white); margin-top: 0; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.social-links a { display: inline-flex; margin-right: 10px; color: var(--color-white); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 30px; margin-top: 30px; border-top: 1px solid #374151; font-size: 14px; }

.whatsapp-float { position: fixed; bottom: 24px; right: 24px; background: #25d366; color: #fff; width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; z-index: 60; box-shadow: var(--shadow); }

.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--color-primary-light); font-family: var(--font-en); }
.auth-card { background: var(--color-white); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; max-width: 380px; }
.auth-card label { display: block; margin: 14px 0 6px; font-weight: 500; }
.auth-card input { width: 100%; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 8px; }
.alert-error { background: #fef2f2; color: #b91c1c; padding: 10px 14px; border-radius: 8px; }

.section { padding: 70px 0; }
.section-title { text-align: center; font-size: 32px; margin-bottom: 40px; }

.two-col { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: start; }
.welcome-section .two-col { align-items: center; }
.welcome-section h2 { font-size: 30px; margin-bottom: 16px; color: var(--color-primary); }
.principal-card { background: var(--color-primary-light); border-radius: var(--radius); padding: 24px; text-align: center; }
.principal-card img { width: 96px; height: 96px; object-fit: cover; border-radius: 50%; margin: 0 auto 14px; border: 3px solid var(--color-gold); }
.principal-card blockquote { font-style: italic; margin: 0 0 14px; color: #374151; }
.principal-card strong { display: block; color: var(--color-primary); }
.principal-card span { font-size: 13px; color: #6b7280; }

.why-section { background: var(--color-primary-light); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.feature-card { background: var(--color-white); border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow); transition: transform .15s ease; }
.feature-card:hover { transform: translateY(-4px); }
.feature-card i { font-size: 30px; color: var(--color-gold); margin-bottom: 14px; }
.feature-card h3 { color: var(--color-primary); margin: 0 0 8px; font-size: 18px; }
.feature-card p { font-size: 14px; color: #4b5563; margin: 0; }

.stats-section { background: var(--color-primary); color: var(--color-white); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 20px; text-align: center; }
.stat-block i { font-size: 26px; color: var(--color-gold); margin-bottom: 8px; }
.stat-block .counter { display: block; font-size: 34px; font-weight: 700; }
.stat-block span { font-size: 14px; opacity: .85; }

.page-header { background: var(--color-primary-light); padding: 50px 0; text-align: center; }
.page-header h1 { color: var(--color-primary); margin: 0; }
.page-content { padding: 50px 0; }

.badge { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; margin-bottom: 8px; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-secondary { background: #e5e7eb; color: #374151; }
.badge-danger { background: #fee2e2; color: #991b1b; }

.reveal-init { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal-visible { opacity: 1; transform: translateY(0); }

/* Public form styling (used by the admission application and contact forms) */
.form-grid { display: flex; flex-direction: column; gap: 18px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 500; color: var(--color-charcoal); }
.form-grid input[type=text], .form-grid input[type=email], .form-grid input[type=url], .form-grid input[type=date],
.form-grid input[type=number], .form-grid input[type=file], .form-grid textarea, .form-grid select {
  padding: 11px 14px; border: 1px solid #d1d5db; border-radius: 8px; font: inherit; font-size: 15px;
}
.form-grid textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.apply-form fieldset, .form-grid fieldset { border: 1px solid var(--color-primary-light); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.apply-form legend, .form-grid legend { font-weight: 600; color: var(--color-primary); padding: 0 8px; }

@media (max-width: 700px) {
  .form-row { grid-template-columns: 1fr; }
}
.article-body { font-size: 16px; line-height: 1.8; color: #374151; }
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }

.faq-item { border-bottom: 1px solid var(--color-primary-light); padding: 16px 0; }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; color: var(--color-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; font-size: 14px; color: #4b5563; }
.faq-item.is-open .faq-answer { max-height: 400px; padding-top: 10px; }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-icon { transition: transform .2s ease; }

.testimonial-card { background: #fff; border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); text-align: center; }
.testimonial-card img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; margin: 0 auto 12px; }
.testimonial-card .stars { color: var(--color-gold); margin-bottom: 10px; }
.testimonial-card blockquote { font-style: italic; color: #374151; margin: 0 0 12px; }
.testimonial-card strong { display: block; color: var(--color-primary); }
.testimonial-card span { font-size: 13px; color: #6b7280; }

.simple-list-public { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.simple-list-public li { display: flex; justify-content: space-between; gap: 12px; background: #fff; padding: 12px 16px; border-radius: 10px; }
.simple-list-public li span { font-size: 13px; color: #6b7280; white-space: nowrap; }

.toast { padding: 12px 18px; border-radius: 8px; font-size: 14px; }
.toast-success { background: #d1fae5; color: #065f46; }
.toast-error { background: #fee2e2; color: #991b1b; }

.breadcrumbs { font-size: 13px; color: #6b7280; padding: 14px 0; }
.breadcrumbs .container { padding: 0; }
.breadcrumbs a { color: var(--color-primary); }
.breadcrumbs .sep { margin: 0 8px; }

@media (max-width: 900px) {
  .welcome-section .two-col { grid-template-columns: 1fr; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: var(--color-white); flex-direction: column; padding: 20px; transform: translateY(-150%); transition: transform .2s ease; box-shadow: var(--shadow); overflow-y: auto; }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav li > a { padding: 12px 0; }
  .main-nav li > a::after { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn-outline { display: none; }
  .nav-search { display: none; }

  /* Mobile dropdown: accordion instead of hover */
  .has-dropdown { border-bottom: 1px solid var(--color-primary-light); }
  .dropdown-toggle-mobile { display: block; position: absolute; top: 4px; right: 0; background: none; border: none; padding: 10px; color: var(--color-primary); }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding: 0 0 10px 14px; display: none; min-width: 0; }
  .is-open-mobile .dropdown-menu { display: block; }
  .is-open-mobile .dropdown-toggle-mobile i { transform: rotate(180deg); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn-sm { padding: 8px 14px; }
}