:root{
  --container: 1120px;
  --shadow-soft: 0 16px 40px rgba(0,0,0,.16);
  --shadow-hard: var(--hero-shadow);
  --ring: 0 0 0 3px rgba(51,209,122,.25);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  font-size:var(--font-base);
  color:var(--text);
  background:#f5f7fb;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:var(--container);margin:0 auto;padding:0 16px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  padding:12px 16px;border-radius:999px;border:1px solid transparent;
  font-weight:700;line-height:1;
  cursor:pointer;
  transition:transform .05s ease, box-shadow .15s ease, background .15s ease;
  user-select:none;
}
.btn:active{transform:translateY(1px)}
.btn-compact{padding:10px 12px;font-size:14px}
.btn-primary{background:var(--accent-500);color:#053122;box-shadow:0 10px 25px rgba(51,209,122,.25)}
.btn-primary:hover{box-shadow:0 14px 28px rgba(51,209,122,.28)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.2);color:#fff}

.uf-header a{color:var(--header-text)}

.uf-header{
  position:sticky;top:0;z-index:50;
  background:var(--header-bg);
  color:var(--header-text);
  border-bottom:1px solid var(--header-border);

  position:sticky;
  top:0;
  z-index:1000;
}
.uf-header__inner{
  height:var(--header-h-m);
  max-width:var(--container);
  margin:0 auto;
  padding:0 12px;
  display:flex;align-items:center;gap:10px;
}
@media(min-width:900px){
  .uf-header__inner{height:var(--header-h-d);padding:0 16px}
}
.uf-logo{
  width:74px;flex:0 0 74px;
  display:grid;place-items:center;
}
.uf-logo img{height:var(--uf-logo-h-mobile,28px);width:auto;max-width:100%;object-fit:contain}
@media(min-width:900px){.uf-logo img{height:var(--uf-logo-h-desktop,30px);}}
.uf-header__spacer{flex:1}

.uf-apply{display:none}
@media(min-width:520px){ .uf-apply{display:inline-flex} }

.uf-lang-toggle{
  position:relative;
  height:34px; width:68px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#e5e7eb;
  display:inline-flex;align-items:center;justify-content:center;
  overflow:hidden;
  cursor:pointer;
}
.uf-lang-toggle__label{
  position:relative;
  z-index:2;
  font-weight:900;
  font-size:12px;
  letter-spacing:.6px;
}
.uf-lang-toggle__knob{
  position:absolute;top:4px;left:4px;
  width:26px;height:26px;border-radius:999px;
  background:rgba(51,209,122,.92);
  box-shadow:0 6px 12px rgba(51,209,122,.18);
  transition:transform .18s ease;
}
.uf-lang-toggle[data-lang="bn"] .uf-lang-toggle__knob{transform:translateX(34px)}
.uf-lang-toggle[data-lang="en"] .uf-lang-toggle__knob{transform:translateX(0px)}

.uf-burger{
  height:40px;width:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  display:grid;place-content:center;
}
.uf-burger span{display:block;width:18px;height:2px;background:#e5e7eb;margin:2px 0;border-radius:2px}

.uf-nav{display:none;align-items:center;gap:16px;color:#e5e7eb;font-weight:700}
.uf-nav a{opacity:.9}
.uf-nav a:hover{opacity:1}
@media(min-width:900px){
  .uf-burger{display:none}
  .uf-nav{display:flex}
  .uf-apply{display:inline-flex}
  .uf-menu{display:none !important;}
}

.uf-menu{
  display:none;
  position:absolute;
  top:100%;
  left:12px;
  right:12px;
  z-index:9999;
  max-width:var(--container);
  margin:0 auto;
  padding:10px 12px 14px;
  flex-direction:column;
  gap:8px;
  background:linear-gradient(90deg,#071a3a 0%, #062b55 40%, #071a3a 100%);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  box-shadow:0 18px 50px rgba(0,0,0,.28);
}
.uf-menu.is-open{display:flex;}
.uf-menu a{
  padding:12px 12px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  color:#e5e7eb;font-weight:800;
}

.uf-main{min-height:calc(100vh - var(--header-h-m));}

.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(51,209,122,.25), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(0,168,255,.18), transparent 60%),
    linear-gradient(135deg, var(--brand-900) 0%, var(--brand-800) 50%, #0b4e4b 100%);
  color:#e9fff4;
}
.hero .container{padding:22px 16px var(--hero-bottom-space-m)}
.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:var(--hero-gap);
  align-items:center;
}
@media(min-width:960px){
  .hero .container{padding:42px 16px var(--hero-bottom-space-d)}
  .hero-grid{
    grid-template-columns: calc(100% - var(--hero-media-w)) var(--hero-media-w);
  }
  .hero-grid.swap{
    grid-template-columns: var(--hero-media-w) calc(100% - var(--hero-media-w));
  }
}
.hero-title{font-size:32px;line-height:1.1;margin:0 0 10px 0;letter-spacing:-.02em}
@media(min-width:900px){.hero-title{font-size:44px}}
.hero-sub{margin:0 0 16px 0;color:rgba(233,255,244,.9);max-width:52ch}
.hero-bullets{margin:0;padding-left:18px;color:rgba(233,255,244,.9);font-weight:600}
.hero-bullets li{margin:6px 0}
.hero-cta{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}

.hero-media{
  border-radius:var(--radius);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-hard);
  transform:translateY(var(--hero-float-y));
  overflow:hidden;
}
.hero-media .frame{
  aspect-ratio: 16 / 10;
  width:100%;
  background:#061f33;
  position:relative;
  min-height:var(--hero-media-min-h-m);
}
@media(min-width:900px){
  .hero-media .frame{min-height:var(--hero-media-min-h-d)}
}
.hero-media .frame video,
.hero-media .frame img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
}

.hero-media .slide{position:absolute;inset:0}

.slide-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:14px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(0,0,0,.18);
  color:#fff;font-size:24px;font-weight:900;
  display:grid;place-items:center;
}
.slide-btn.prev{left:10px}
.slide-btn.next{right:10px}
.dots{position:absolute;left:0;right:0;bottom:10px;display:flex;gap:8px;justify-content:center;align-items:center}
.dot{width:10px;height:10px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.18)}
.dot.on{background:rgba(51,209,122,.92);border-color:rgba(51,209,122,.92)}
.play-overlay{
  position:absolute;inset:0;
  display:grid;place-items:center;
  background:linear-gradient(0deg, rgba(0,0,0,.22), rgba(0,0,0,.08));
}
.play-btn{
  width:64px;height:64px;border-radius:999px;
  background:rgba(51,209,122,.92);
  display:grid;place-items:center;
  box-shadow:0 18px 38px rgba(51,209,122,.24);
}
.play-btn:before{
  content:'';
  width:0;height:0;
  border-left:18px solid #053122;
  border-top:10px solid transparent;
  border-bottom:10px solid transparent;
  margin-left:4px;
}

.section{padding:28px 0}
.card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  box-shadow:0 10px 24px rgba(15,23,42,.06);
}
.card-pad{padding:16px}

.uf-footer{
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.uf-footer__text{opacity:.92;margin-bottom:8px}
.uf-footer__tiny{opacity:.72;font-size:13px}


/* Phase 2 components */
.grid-2{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:900px){.grid-2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:12px}
.field label{display:block;font-weight:800;margin:0 0 6px 0;font-size:13px}
.input{width:100%;padding:12px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);outline:none}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,0,0,.06)}
textarea.input{resize:vertical;min-height:96px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:800}
.card .pill{background:rgba(2,6,23,.04);border-color:var(--border);color:var(--text)}
.notice{border:1px solid var(--border);background:#fff;border-radius:14px;padding:12px}
.notice.soft{background:rgba(2,6,23,.03)}
.notice.success{border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.08)}
.notice.danger{border-color:rgba(239,68,68,.35);background:rgba(239,68,68,.07)}
.notice.warn{border-color:rgba(245,158,11,.35);background:rgba(245,158,11,.08)}
.badge{display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:12px;border-radius:999px;padding:6px 10px;border:1px solid var(--border)}
.badge.success{border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.10)}
.badge.danger{border-color:rgba(239,68,68,.35);background:rgba(239,68,68,.08)}
.badge.warn{border-color:rgba(245,158,11,.35);background:rgba(245,158,11,.10)}
.calc-box{border:1px solid var(--border);border-radius:16px;padding:12px;background:#fff}
.calc-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed rgba(2,6,23,.12)}
.calc-row:last-child{border-bottom:none}
.calc-row.total strong{font-size:16px}
.schedule{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sched-item{border:1px solid var(--border);border-radius:14px;padding:10px;background:#fff}
.sched-item .d{font-weight:800;font-size:12px;color:var(--muted)}
.sched-item .a{font-weight:900;margin-top:4px}
.sched-more{grid-column:1/-1;color:var(--muted);font-weight:800}
.schedule-grid{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:900px){.schedule-grid{grid-template-columns:repeat(3,1fr)}}
.tabs{display:flex;gap:8px;border:1px solid var(--border);border-radius:14px;padding:6px;background:#fff;margin:12px 0}
.tab{flex:1;border:0;background:transparent;padding:10px;border-radius:12px;font-weight:900;cursor:pointer}
.tab.active{background:rgba(2,6,23,.06)}
.pane{display:none}
.pane.active{display:block}
.mono{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}

/* Modal */
.modal{position:fixed;inset:0;display:none;z-index:1000}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.modal-panel{position:relative;width:min(560px,92vw);margin:8vh auto;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 25px 80px rgba(0,0,0,.35)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 14px;border-bottom:1px solid var(--border);background:linear-gradient(180deg, rgba(2,6,23,.04), rgba(2,6,23,0))}
.modal-body{padding:14px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px;border-top:1px solid var(--border);background:rgba(2,6,23,.02)}
.icon-btn{border:1px solid var(--border);background:#fff;border-radius:12px;padding:8px 10px;font-weight:900;cursor:pointer}
.why-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:900px){.why-grid{grid-template-columns:repeat(3,1fr)}}
.profile-grid{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:900px){.profile-grid{grid-template-columns:1fr 1fr}}
.kv{border:1px solid var(--border);border-radius:14px;padding:10px;background:#fff}
.kv .k{font-weight:800;color:var(--muted);font-size:12px}
.kv .v{font-weight:900;margin-top:4px}

/* Prevent stray header artifacts */
.uf-burger::before,.uf-burger::after,.uf-lang-toggle::before,.uf-lang-toggle::after{content:none !important;}