/* BD Tax Calculator — marketing / legal site Shared stylesheet. Modern, responsive, light + dark, bilingual (en/bn). */ :root { color-scheme: light dark; --green-900: #0b3d2e; --green-800: #0f5137; --green-700: #146c43; --green-600: #1a8a55; --green-500: #21a366; --green-050: #e9f7ef; --red: #d7263d; --red-soft: #fbe7ea; --ink: #0e1a14; --muted: #56685e; --line: #e3ebe6; --surface: #ffffff; --surface-2: #f5f9f6; --bg: #f2f7f4; --radius: 16px; --radius-lg: 24px; --shadow: 0 1px 2px rgba(11, 61, 46, .05), 0 12px 32px -12px rgba(11, 61, 46, .18); --shadow-sm: 0 1px 2px rgba(11, 61, 46, .06), 0 4px 12px -6px rgba(11, 61, 46, .12); --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans Bengali", "Hind Siliguri", sans-serif; --maxw: 1080px; } @media (prefers-color-scheme: dark) { :root { --ink: #eaf3ee; --muted: #9fb5a9; --line: #24352c; --surface: #182620; --surface-2: #0e1815; --bg: #0a100d; --green-050: #15291f; --red-soft: #2a1418; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 16px 40px -16px rgba(0, 0, 0, .7); --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 16px -8px rgba(0, 0, 0, .6); } } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } /* Language visibility — toggled by [data-lang] on */ html[data-lang="en"] .bn { display: none; } html[data-lang="bn"] .en { display: none; } a { color: var(--green-600); text-decoration: none; } a:hover { text-decoration: underline; } .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; } /* ---------- Nav ---------- */ .nav { position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(1.4) blur(12px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease; } .nav.is-scrolled { border-color: var(--line); box-shadow: 0 1px 0 var(--line), 0 8px 24px -16px rgba(0, 0, 0, .25); } .nav .wrap { display: flex; align-items: center; gap: 16px; height: 62px; } .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); } .brand:hover { text-decoration: none; } .brand img { display: block; border-radius: 22%; } .nav-links { margin-left: auto; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; } .nav-links a { color: var(--muted); font-weight: 600; font-size: 14px; padding: 8px 12px; border-radius: 10px; } .nav-links a:hover { color: var(--ink); background: var(--surface-2); text-decoration: none; } .lang-toggle { border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-family: inherit; font-weight: 700; font-size: 13px; padding: 7px 12px; border-radius: 999px; cursor: pointer; } .lang-toggle:hover { border-color: var(--green-500); } /* ---------- Hero ---------- */ .hero { position: relative; overflow: hidden; background: radial-gradient(120% 120% at 100% 0%, color-mix(in srgb, var(--green-500) 22%, transparent), transparent 60%), linear-gradient(180deg, var(--green-900), var(--green-800)); color: #eafff3; isolation: isolate; } .hero .wrap { padding-top: 68px; padding-bottom: 40px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 28px; align-items: center; } /* min-width: 0 overrides the grid item's default `auto` minimum size — without it, a non-wrapping descendant (the year-ticker marquee) can force this whole column to its content width and silently overflow past the viewport (clipped invisibly by .hero's overflow:hidden, no scrollbar) on narrow screens. */ .hero-copy { position: relative; z-index: 2; min-width: 0; } .hero .pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18); color: #d6ffe8; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 999px; } .hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 1.06; letter-spacing: -.03em; margin: 20px 0 14px; max-width: 15ch; font-weight: 850; overflow-wrap: break-word; } .hero h1 .accent { background: linear-gradient(100deg, #6dffb0, #b6ffe0 55%, #6dffb0); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 5s linear infinite; } .hero p.lead { font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: #b9e7cd; max-width: 50ch; margin: 0 0 28px; } /* Animated marquee strip of supported tax years */ .year-ticker { margin-top: 30px; border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 16px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); } .year-ticker .track { display: flex; gap: 14px; width: max-content; animation: marquee 22s linear infinite; } .year-ticker .chip { flex: none; font-size: 12.5px; font-weight: 700; color: #cdf5df; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); padding: 6px 14px; border-radius: 999px; white-space: nowrap; } @keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } } @keyframes shine { to { background-position: -200% center; } } /* ---------- Phone mockup stage ---------- */ .phone-stage { position: relative; z-index: 1; height: clamp(360px, 46vw, 560px); display: flex; align-items: center; justify-content: center; } .phone-stage .glow { position: absolute; inset: -10% -10% -10% -10%; background: radial-gradient(38% 45% at 55% 42%, color-mix(in srgb, var(--green-500) 55%, transparent), transparent 70%), radial-gradient(30% 34% at 78% 70%, color-mix(in srgb, #ffce54 35%, transparent), transparent 70%); filter: blur(10px); animation: pulse 7s ease-in-out infinite; } @keyframes pulse { 0%, 100% { opacity: .75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } } .phone { --pw: clamp(168px, 20vw, 224px); width: var(--pw); aspect-ratio: 414 / 900; border-radius: calc(var(--pw) * .145); background: linear-gradient(155deg, #2a2d31, #101214 60%); padding: calc(var(--pw) * .028); box-shadow: 0 2px 0 rgba(255, 255, 255, .06) inset, 0 30px 60px -20px rgba(0, 0, 0, .55), 0 10px 24px -12px rgba(0, 0, 0, .5); position: absolute; /* Hard-clip everything inside to this element's own rounded corners. This is a self-clip (transform + overflow:hidden on the SAME element), which every browser handles reliably — unlike clipping a child through a transformed ancestor. It's what actually stops the screenshot's square corners (and any compositing seam from a child's own layer) from ever poking out past the rounded bezel. */ overflow: hidden; /* Anchor every phone to the exact same center point regardless of the flex container (absolutely-positioned children ignore align/justify). Centering lives in `transform` so the individual `translate` property stays free for the floatY bob animation below (they'd otherwise fight over the same longhand and the bob would reset the centering). */ top: 50%; left: 50%; transform: translate(-50%, -50%); } .phone .notch { position: absolute; top: calc(var(--pw) * .035); left: 50%; transform: translateX(-50%); width: 34%; height: calc(var(--pw) * .06); background: #101214; border-radius: 999px; z-index: 3; } .phone .screen { width: 100%; height: 100%; border-radius: calc(var(--pw) * .12); overflow: hidden; background: #fff; position: relative; } .phone .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; /* Belt-and-suspenders: round the image itself too, in case the parent's clip still doesn't apply. */ border-radius: inherit; } .phone .sheen { position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255, 255, 255, .16), transparent 30%); pointer-events: none; } .phone.p-main { z-index: 3; animation: floatY 6s ease-in-out infinite; } .phone.p-left { --pw: clamp(126px, 15vw, 172px); z-index: 2; transform: translate(-50%, -50%) translate(-52%, 8%) rotate(-7deg); filter: saturate(.95) brightness(.96); opacity: .9; animation: floatY 6s ease-in-out infinite .4s; } .phone.p-right { --pw: clamp(126px, 15vw, 172px); z-index: 2; transform: translate(-50%, -50%) translate(52%, 12%) rotate(7deg); filter: saturate(.95) brightness(.96); opacity: .9; animation: floatY 6s ease-in-out infinite .8s; } @keyframes floatY { 0%, 100% { translate: 0 0; } 50% { translate: 0 -3.5%; } } @media (prefers-reduced-motion: reduce) { .phone.p-main, .phone.p-left, .phone.p-right, .phone-stage .glow, .year-ticker .track, .hero h1 .accent { animation: none; } } .cta-row { display: flex; flex-wrap: wrap; gap: 12px; } .btn { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15px; padding: 13px 22px; border-radius: 14px; border: 1px solid transparent; cursor: pointer; } .btn-primary { background: #fff; color: var(--green-800); } .btn-primary:hover { background: #eafff3; text-decoration: none; } .btn-ghost { background: rgba(255, 255, 255, .08); color: #eafff3; border-color: rgba(255, 255, 255, .22); } .btn-ghost:hover { background: rgba(255, 255, 255, .16); text-decoration: none; } .hero-note { margin-top: 22px; font-size: 13px; color: #9fd3b5; } /* ---------- Store badges (App Store / Google Play) ---------- */ .store-row { display: flex; flex-wrap: wrap; gap: 12px; } .store-btn { position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 11px; background: linear-gradient(160deg, #232326, #030303 75%); color: #fff; border: 1px solid rgba(255, 255, 255, .16); border-radius: 14px; padding: 10px 20px 10px 16px; box-shadow: 0 1px 0 rgba(255, 255, 255, .1) inset, 0 12px 28px -12px rgba(0, 0, 0, .6); transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s ease, border-color .3s ease; } .store-btn:hover { text-decoration: none; transform: translateY(-3px); border-color: rgba(255, 255, 255, .3); box-shadow: 0 1px 0 rgba(255, 255, 255, .12) inset, 0 20px 36px -14px rgba(0, 0, 0, .65); } .store-btn:active { transform: translateY(-1px); } /* Diagonal shine sweep on hover — the "premium" cue. */ .store-btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, .22) 50%, transparent 60%); background-size: 250% 250%; background-position: 120% 0; transition: background-position .7s ease; pointer-events: none; } .store-btn:hover::after { background-position: -20% 0; } .store-btn__icon { width: 25px; height: 25px; flex: none; fill: #fff; position: relative; z-index: 1; } .store-btn__text { display: flex; flex-direction: column; line-height: 1.15; text-align: left; position: relative; z-index: 1; } .store-btn__text small { font-size: 10.5px; font-weight: 600; letter-spacing: .03em; opacity: .82; text-transform: uppercase; } .store-btn__text strong { font-size: 16.5px; font-weight: 750; letter-spacing: -.01em; margin-top: 1px; } @media (prefers-reduced-motion: reduce) { .store-btn, .store-btn::after { transition: none; } } /* ---------- Sections ---------- */ section { padding: 64px 0; position: relative; } section:not(.band)::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 60% at 15% 0%, color-mix(in srgb, var(--green-500) 6%, transparent), transparent 70%); } .section-head { max-width: 60ch; margin-bottom: 36px; } .section-head .eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: var(--green-600); } .section-head h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); line-height: 1.2; letter-spacing: -.01em; margin: 10px 0 8px; } .section-head p { color: var(--muted); font-size: 1.05rem; margin: 0; } .grid { display: grid; gap: 18px; } .grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; } .card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--green-500) 35%, var(--line)); box-shadow: var(--shadow); } .card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--green-050); color: var(--green-600); margin-bottom: 14px; font-size: 20px; transition: transform .25s ease; } .card:hover .ico { transform: scale(1.08) rotate(-4deg); } .card h3 { margin: 0 0 6px; font-size: 1.1rem; } .card p { margin: 0; color: var(--muted); font-size: .96rem; } /* ---------- Scroll reveal ---------- */ .reveal { opacity: 0; transform: translateY(10px); transition: opacity .45s ease-out, transform .45s ease-out; } .reveal.in-view { opacity: 1; transform: translateY(0); } @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } } /* Staggered delay for direct children of .reveal-stagger — capped so a long grid (e.g. 6 feature cards) never leaves the last item visibly lagging. */ .reveal-stagger > * { transition-delay: calc(min(var(--i, 0), 4) * 55ms); } /* ---------- Stat counters ---------- */ .stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; } .stat { text-align: center; padding: 22px 12px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); } .stat .num { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 850; letter-spacing: -.02em; color: var(--green-600); font-variant-numeric: tabular-nums; } .stat .label { margin-top: 4px; font-size: .86rem; color: var(--muted); font-weight: 600; } /* ---------- Screenshot showcase ---------- */ .showcase-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; align-items: end; } .showcase-item { text-align: center; } .showcase-item .frame { position: relative; margin: 0 auto 16px; width: clamp(120px, 20vw, 176px); aspect-ratio: 414 / 900; border-radius: calc(clamp(120px, 20vw, 176px) * .145); background: linear-gradient(155deg, #2a2d31, #101214 60%); padding: calc(clamp(120px, 20vw, 176px) * .028); box-shadow: var(--shadow); transition: transform .35s cubic-bezier(.16,1,.3,1); /* Self-clip (see .phone for why this must live on the transformed element itself, not a descendant) so the screenshot's square corners never show past the rounded bezel, including during the hover scale/lift. */ overflow: hidden; } .showcase-item:hover .frame { transform: translateY(-6px) scale(1.02); } .showcase-item .notch { position: absolute; top: 4%; left: 50%; transform: translateX(-50%); width: 34%; height: 6%; background: #101214; border-radius: 999px; z-index: 2; } .showcase-item .screen { width: 100%; height: 100%; overflow: hidden; border-radius: calc(clamp(120px, 20vw, 176px) * .12); background: #fff; } .showcase-item .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; border-radius: inherit; } .showcase-item h4 { margin: 0 0 4px; font-size: .98rem; } .showcase-item p { margin: 0; color: var(--muted); font-size: .84rem; } /* Alternating band */ .band { background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); } /* ---------- Legal / doc pages ---------- */ .doc { padding: 48px 0 72px; } .doc .wrap { max-width: 800px; } .doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.01em; margin: 0 0 6px; } .doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; } .doc h2 { font-size: 1.3rem; margin: 36px 0 10px; letter-spacing: -.01em; } .doc h3 { font-size: 1.06rem; margin: 22px 0 8px; } .doc p, .doc li { color: var(--ink); } .doc p { margin: 0 0 14px; } .doc ul { margin: 0 0 16px; padding-left: 22px; } .doc li { margin: 6px 0; } .callout { background: var(--green-050); border: 1px solid color-mix(in srgb, var(--green-500) 30%, transparent); border-radius: var(--radius); padding: 16px 18px; margin: 20px 0; font-size: .96rem; } .callout.warn { background: var(--red-soft); border-color: color-mix(in srgb, var(--red) 30%, transparent); } .data-table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: .92rem; } .data-table th, .data-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; } .data-table th { color: var(--muted); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; } /* ---------- FAQ ---------- */ .faq { display: grid; gap: 12px; } .faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 20px; box-shadow: var(--shadow-sm); } .faq summary { cursor: pointer; list-style: none; font-weight: 700; padding: 16px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; } .faq summary::-webkit-details-marker { display: none; } .faq summary::after { content: "+"; font-size: 1.3rem; color: var(--green-600); font-weight: 400; flex: none; } .faq details[open] summary::after { content: "\2212"; } .faq details > p { margin: 0 0 16px; color: var(--muted); } /* ---------- Contact ---------- */ .contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); text-align: center; } .contact-card .email { display: inline-block; margin-top: 8px; font-size: 1.25rem; font-weight: 800; color: var(--green-600); } /* ---------- Footer ---------- */ .footer { border-top: 1px solid var(--line); background: var(--surface-2); padding: 40px 0; } .footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; } .footer .cols { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; } .footer a { color: var(--muted); font-size: 14px; font-weight: 600; } .footer a:hover { color: var(--ink); } .footer .fine { width: 100%; color: var(--muted); font-size: 13px; margin-top: 6px; } /* ---------- Responsive ---------- */ @media (max-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); padding-bottom: 8px; } .hero-copy { text-align: center; } .hero .pill { margin-inline: auto; } .hero h1, .hero p.lead { max-width: none; margin-inline: auto; } .store-row { justify-content: center; } .cta-row { justify-content: center; } .phone-stage { margin-top: 12px; } .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } .showcase-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } } @media (max-width: 820px) { .grid.cols-3 { grid-template-columns: minmax(0, 1fr); } .grid.cols-2 { grid-template-columns: minmax(0, 1fr); } .nav-links a:not(.lang-toggle) { display: none; } } @media (max-width: 480px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } .showcase-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }