:root{--brand-cyan: #12c2f5;--brand-blue: #1f7bf2;--brand-indigo: #1a45d6;--brand-navy: #0b1b3f;--gradient-brand: linear-gradient( 135deg, var(--brand-cyan) 0%, var(--brand-blue) 50%, var(--brand-indigo) 100% );--color-bg: #ffffff;--color-bg-soft: #f4f8fd;--color-surface: #ffffff;--color-text: var(--brand-navy);--color-text-muted: #4f5d78;--color-text-subtle: #75839b;--color-primary: #1565f0;--color-primary-hover: #0e52cc;--color-primary-soft: #e9f2ff;--color-primary-contrast: #ffffff;--color-success: #0b8a5f;--color-success-soft: #e5f6ee;--color-warning: #b45309;--color-warning-soft: #fdf3e3;--color-danger: #c0362c;--color-border: #e2e8f1;--color-border-strong: #cbd5e3;--font-sans: "Inter", "Noto Sans Bengali", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: "Plus Jakarta Sans", var(--font-sans);--fs-xs: .8125rem;--fs-sm: clamp(.875rem, .85rem + .1vw, .9375rem);--fs-base: clamp(1rem, .97rem + .15vw, 1.0625rem);--fs-md: clamp(1.0625rem, 1rem + .3vw, 1.1875rem);--fs-lg: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);--fs-xl: clamp(1.875rem, 1.45rem + 1.8vw, 2.75rem);--fs-display: clamp(2.375rem, 1.6rem + 3.4vw, 4.25rem);--lh-tight: 1.12;--lh-snug: 1.35;--lh-base: 1.65;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--section-padding-y: clamp(4rem, 2.8rem + 5vw, 7.5rem);--container-max: 1200px;--container-gutter: clamp(1rem, .5rem + 2.5vw, 2rem);--header-h: 64px;--radius-sm: 10px;--radius: 16px;--radius-lg: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgb(15 35 75 / .05), 0 1px 3px rgb(15 35 75 / .04);--shadow-md: 0 4px 12px -2px rgb(15 35 75 / .08), 0 2px 4px -2px rgb(15 35 75 / .04);--shadow-lg: 0 24px 48px -12px rgb(15 35 75 / .16);--shadow-brand: 0 8px 20px -8px rgb(21 101 240 / .55);--ease: cubic-bezier(.2, .7, .2, 1)}@media(min-width:1024px){:root{--header-h: 76px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:48px;padding:0 var(--space-6);border:1px solid transparent;border-radius:var(--radius-pill);font-family:var(--font-sans);font-size:var(--fs-base);font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}.btn:disabled{cursor:progress;opacity:.7}.btn-primary{color:var(--color-primary-contrast);background:linear-gradient(135deg,var(--brand-blue),var(--color-primary) 55%,var(--brand-indigo));box-shadow:var(--shadow-brand)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 24px -10px #1565f0a6}.btn-secondary{color:var(--color-text);background:var(--color-surface);border-color:var(--color-border-strong)}.btn-secondary:hover{color:var(--color-primary);border-color:var(--color-primary)}.btn-lg{min-height:54px;padding:0 var(--space-8)}.btn-block{width:100%}.section{padding-block:var(--section-padding-y)}.section-soft{background:var(--color-bg-soft)}.section-head{max-width:680px;margin:0 auto var(--space-12);text-align:center}.section-head h2{font-size:var(--fs-xl)}.section-head p{margin-top:var(--space-4);font-size:var(--fs-md);color:var(--color-text-muted)}.eyebrow{display:inline-block;margin-bottom:var(--space-3);font-size:var(--fs-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary)}.gradient-text{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.badge{display:inline-flex;align-items:center;gap:.375rem;padding:.3125rem .75rem;border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:600;line-height:1.2}.badge-soft{color:var(--color-primary);background:var(--color-primary-soft)}.badge-live{color:var(--color-success);background:var(--color-success-soft)}.badge-live:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 #0b8a5f80;animation:live-pulse 2s infinite}@keyframes live-pulse{70%{box-shadow:0 0 0 6px #0b8a5f00}to{box-shadow:0 0 #0b8a5f00}}.check-list{display:grid;gap:var(--space-3);margin:0;padding:0;list-style:none}.check-list li{display:flex;align-items:flex-start;gap:var(--space-3)}.check-list app-icon{flex-shrink:0;margin-top:.15em;padding:3px;border-radius:50%;color:var(--color-success);background:var(--color-success-soft)}.icon-tile{display:inline-grid;place-items:center;width:48px;height:48px;flex-shrink:0;border-radius:14px;color:var(--color-primary);background:var(--color-primary-soft)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + var(--space-4))}body{margin:0;min-height:100dvh;font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-base);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,p,figure{margin:0;overflow-wrap:break-word}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:var(--lh-tight);letter-spacing:-.02em;text-wrap:balance}img,picture,svg,video{display:block;max-width:100%;height:auto}a{color:inherit}button,input,textarea,select{font:inherit;color:inherit}:focus-visible{outline:3px solid rgba(21,101,240,.45);outline-offset:2px}::selection{background:#1f7bf22e}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}:root:lang(bn){--lh-tight: 1.35;--lh-snug: 1.5;--lh-base: 1.8}:root:lang(bn) .eyebrow{font-size:1rem}:root:lang(bn) *{letter-spacing:0!important}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-gutter)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip-link{position:fixed;top:var(--space-2);left:var(--space-2);z-index:100;padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);color:#fff;background:var(--color-primary);transform:translateY(-200%)}.skip-link:focus{transform:none}