:root{--ink: #14221c;--cream: #e7f6f1;--muted: rgba(231, 246, 241, .74);--night: #071411;--accent: #0f6e66;--amber: #e8a317;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--night);color:var(--cream);font-family:var(--sans)}.page.bangla{font-family:"Noto Sans Bengali",var(--sans)}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}.hero{position:relative;height:100dvh;min-height:640px;overflow:hidden;background:var(--night)}.hero-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none}.vignette{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(90deg,#071411d1,#07141147 48%,#07141114),linear-gradient(180deg,rgba(7,20,17,.45),transparent 24%,transparent 70%,rgba(7,20,17,.55))}.bar,.hero-copy,.lang,.cta,.brand,.bar-link{pointer-events:auto}.bar{position:absolute;z-index:2;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(16px + env(safe-area-inset-top)) 22px 0}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.mark{width:36px;height:36px;border-radius:10px;background:#123f39;display:inline-flex;align-items:center;justify-content:center;gap:3px}.mark span{width:3px;border-radius:99px;background:#9ff3e4;display:block}.mark span:nth-child(1){height:10px}.mark span:nth-child(2){height:18px}.mark span:nth-child(3){height:7px}.brand-text{display:grid;line-height:1.15}.brand-text strong{font-size:15px}.brand-text span{color:var(--muted);font-size:13px;font-weight:650}.bar-actions{display:flex;align-items:center;gap:8px}.bar-link,.lang button{min-height:36px;border-radius:999px;border:1px solid rgba(231,246,241,.28);background:transparent;color:var(--cream);padding:0 12px;text-decoration:none;cursor:pointer}.lang{display:inline-flex;border:1px solid rgba(231,246,241,.28);border-radius:999px;overflow:hidden}.lang button{border:0;border-radius:0}.lang button.is-current{background:var(--cream);color:var(--ink)}.hero-copy{position:absolute;z-index:2;left:0;right:0;bottom:0;width:min(640px,100%);padding:0 22px calc(48px + env(safe-area-inset-bottom));display:grid;gap:12px}.eyebrow{margin:0;color:#f4e2b0;font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px}h1{margin:0;font-size:clamp(2.2rem,5vw,4rem);line-height:1.12;letter-spacing:-.04em}.lede,.drag{margin:0}.lede{max-width:38rem;color:var(--muted);font-size:1.05rem}.drag{color:#e7f6f18c;font-size:13px}.cta{justify-self:start;min-height:48px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;background:var(--amber);color:#1c1404;font-weight:800;text-decoration:none}.study{background:#f3f6f4;color:var(--ink);padding:56px 22px 72px}.study h2{margin:0 0 8px;font-size:1.6rem;letter-spacing:-.03em}.study-lede{margin:0 0 16px;max-width:40rem;color:#3d524b}.study ol{counter-reset:step;margin:0;padding:0;list-style:none;display:grid;gap:12px;max-width:720px}.study li{counter-increment:step;background:#fff;border:1px solid #d5e0da;border-radius:12px;padding:14px 16px 14px 56px;position:relative}.study li:before{content:counter(step);position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}.study-cta{margin-top:20px;background:var(--accent);color:#fff}@media(max-width:760px){.hero-copy{width:100%}h1{font-size:2.1rem}}