*{box-sizing:border-box}body{background:#f7f5ef;color:#172823;margin:0;font:16px Arial,sans-serif}a{color:inherit;text-decoration:none}html[lang=en] .bn,html[lang=bn] .en{display:none}header,main,footer{width:min(1320px,90%);margin:auto}header{padding:35px 0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #17282325}.brand{font-size:2.4rem;font-weight:bold;display:flex;align-items:center;gap:10px}.brand span{font-size:.65rem;letter-spacing:.18em}.small,.eyebrow{font-size:.65rem;letter-spacing:.18em}.lang{display:flex;gap:8px}button{background:transparent;border:1px solid #17282330;border-radius:25px;padding:9px 13px;cursor:pointer}button[aria-pressed=true]{background:#172823;color:white}.intro{padding:90px 0 70px}.eyebrow{color:#656f56}h1{font-family:Georgia,serif;white-space:pre-line;font-weight:400;letter-spacing:-.05em;font-size:clamp(3rem,6.2vw,6.8rem);line-height:1.08;margin:30px 0 40px;max-width:1000px}.intro-bottom{display:flex;align-items:end;justify-content:space-between;gap:50px}.intro-bottom p{max-width:520px;color:#5e6861;font-size:.95rem;line-height:1.7}.intro-bottom>span{font-size:.65rem;letter-spacing:.1em}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:45px 30px}.card{border:1px solid #17282320;background:#fff;transition:transform .25s}.card:hover{transform:translateY(-5px)}.preview{height:330px;background:var(--brand);position:relative;overflow:hidden}.preview img{width:100%;height:100%;object-fit:cover;object-position:top}.no,.visit{position:absolute;top:18px;border-radius:50%;background:#fffef2ee;display:grid;place-items:center;width:35px;height:35px;font-size:.7rem}.no{left:18px}.visit{right:18px}.copy{padding:30px}.copy small{font-size:.65rem;color:#64746b;letter-spacing:.1em}.copy h2{font-size:1.65rem;font-weight:500;letter-spacing:-.04em;margin:15px 0}.copy p{font-size:.85rem;color:#606b64;line-height:1.6;min-height:42px}.meta{display:flex;justify-content:space-between;border-top:1px solid #17282320;padding-top:18px;font-size:.7rem}.meta span:last-child{color:var(--brand)}footer{padding:80px 0 45px;font-size:.75rem;color:#626b61;line-height:1.7}html[lang=bn] h1{line-height:1.4;font-size:clamp(2.7rem,5vw,5rem)}@media(max-width:700px){header .small{display:none}.intro{padding:55px 0}.intro-bottom{display:block}.grid{grid-template-columns:1fr;gap:25px}.preview{height:250px}.copy{padding:24px}.brand{font-size:1.8rem}.brand span{font-size:.5rem}}@media(prefers-reduced-motion:reduce){*{transition:none!important;transform:none!important}}
@font-face{font-family:'Directory Bangla';font-style:normal;font-weight:400;font-display:swap;src:url('assets/hind-siliguri-regular.woff2') format('woff2')}body{font-family:Arial,'Directory Bangla',sans-serif}html[lang=bn] body,html[lang=bn] h1,html[lang=bn] h2,html[lang=bn] button{font-family:'Directory Bangla',sans-serif;line-height:1.7}

@font-face{font-family:'Directory Modern';font-weight:400 800;font-display:swap;src:url('assets/manrope.woff2') format('woff2')}@font-face{font-family:'Directory Modern Bangla';font-weight:400;font-display:swap;src:url('assets/bangla-400.woff2?v=guide-2026') format('woff2')}@font-face{font-family:'Directory Modern Bangla';font-weight:700;font-display:swap;src:url('assets/bangla-700.woff2?v=guide-2026') format('woff2')}body,h1,h2,button{font-family:'Directory Modern','Directory Modern Bangla',sans-serif}html[lang=bn] body,html[lang=bn] h1,html[lang=bn] h2,html[lang=bn] button{font-family:'Directory Modern Bangla',sans-serif}h1{font-weight:600;letter-spacing:-.07em;text-wrap:balance}.intro{padding:66px 0 48px}h1{margin:25px 0 30px}.intro-bottom p{font-size:1rem;max-width:590px}.copy h2{font-size:1.6rem;font-weight:600}.card{border-radius:8px;overflow:hidden;box-shadow:0 15px 50px -40px #17282370}.preview img{transition:opacity .2s}.collection-modes{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 30px;padding:20px 0;border-top:1px solid #17282325;border-bottom:1px solid #17282325}.collection-modes>span{font-size:.65rem;letter-spacing:.12em}.collection-modes>div{display:flex;gap:8px}.collection-modes button{font-size:.8rem;padding:11px 19px}.preview.inner-preview::after{content:'09';position:absolute;bottom:16px;right:18px;background:#172823;color:#fff;padding:8px 12px;border-radius:30px;font-size:.7rem}.font-credit{display:block;margin-top:15px;text-decoration:underline;text-underline-offset:4px}@media(max-width:700px){.collection-modes{align-items:flex-start;flex-direction:column;gap:12px}.collection-modes button{padding:10px 16px}.intro{padding:45px 0}.intro-bottom p{font-size:.95rem}}
body{font-synthesis:none}html[lang=bn] body{font-size:17px;line-height:1.7}html[lang=bn] :is(h1,h2,p,button){letter-spacing:normal;text-transform:none}
/* RACO AI catalogue identity */
header{padding:27px 0;gap:20px}.raco-brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px;flex-shrink:0}.raco-brand-mark{display:flex;align-items:center;justify-content:center;padding:14px 18px;background:#172823;border:1px solid #172823;border-radius:13px;transition:background .2s,transform .2s}.raco-brand-mark img{display:block;width:138px;height:auto}.raco-brand-caption{font-size:.58rem;font-weight:600;letter-spacing:.2em;line-height:1.3}.raco-brand:hover .raco-brand-mark{background:#29473b;transform:translateY(-2px)}.raco-brand:focus-visible,.raco-signature:focus-visible{outline:3px solid #526d36;outline-offset:6px;border-radius:13px}.raco-signature{display:inline-flex;align-items:center;flex-wrap:wrap;gap:14px;padding:13px 16px;margin-bottom:24px;background:#172823;color:#fff;border-radius:12px;font-size:.7rem;line-height:1.5}.raco-signature img{display:block;width:115px;height:auto;flex-shrink:0}.raco-signature:hover{background:#29473b}@media(max-width:380px){header{gap:12px}.raco-brand-mark{padding:12px 14px}.raco-brand-mark img{width:116px}.raco-brand-caption{font-size:.54rem}.raco-signature{gap:10px;padding:12px 14px}}

.meta>span:last-child,.meta>span:last-child>span{color:#172823;font-weight:600}html[lang=bn] .raco-brand-caption{letter-spacing:normal;font-size:.65rem}

/* RACO AI identity: racoai.io light palette, typography and square controls. */
@font-face{font-family:'RACO Display';font-style:normal;font-weight:400;font-display:swap;src:url('assets/raco-instrument-400.woff2') format('woff2')}@font-face{font-family:'RACO Display';font-style:normal;font-weight:500;font-display:swap;src:url('assets/raco-instrument-500.woff2') format('woff2')}@font-face{font-family:'RACO Display';font-style:normal;font-weight:600;font-display:swap;src:url('assets/raco-instrument-600.woff2') format('woff2')}@font-face{font-family:'RACO Body';font-style:normal;font-weight:100 900;font-display:swap;src:url('assets/raco-inter-variable.woff2') format('woff2')}
:root{--raco-paper:#ebebed;--raco-ink:#15171a;--raco-line:#15171a26;--raco-coral:#ff7864;--raco-accent-ink:#b74330}html{scroll-behavior:smooth;scroll-padding-top:24px}body{background:var(--raco-paper);color:var(--raco-ink);font-family:'RACO Body','Directory Modern Bangla',sans-serif}header,main,footer{width:min(1320px,90%)}header{padding:24px 0;gap:30px;border-color:var(--raco-line)}.raco-brand{gap:7px}.raco-brand-mark{padding:0;background:transparent;border:0;border-radius:0;justify-content:flex-start}.raco-brand-mark img{width:150px;height:auto}.raco-brand-caption{color:#55575d;font-size:.55rem;letter-spacing:.17em;font-family:'RACO Body','Directory Modern Bangla',sans-serif}.raco-brand:hover .raco-brand-mark{background:transparent;transform:none}.raco-brand:focus-visible,.raco-signature:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--raco-ink);outline-offset:5px;border-radius:0}.raco-nav-link{font:400 .9rem 'RACO Display',sans-serif;margin-left:auto;padding:14px 0}.raco-header-actions{display:flex;align-items:center;gap:22px}.lang button{color:var(--raco-ink);border-color:var(--raco-line);border-radius:0;min-width:42px;min-height:42px;padding:9px 11px;font-family:'RACO Display','Directory Modern Bangla',sans-serif}.lang button[aria-pressed=true]{background:var(--raco-ink);color:#fff}.raco-project-link,.raco-explore,.raco-footer-contact{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;padding:16px 20px;background:var(--raco-coral);color:var(--raco-ink);font:500 .9rem 'RACO Display','Directory Modern Bangla',sans-serif;border:1px solid transparent;transition:background .2s,transform .2s}.raco-project-link:hover,.raco-explore:hover,.raco-footer-contact:hover{background:#ff8c7b;transform:translateY(-2px)}
.intro{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:clamp(30px,5vw,76px);padding:72px 0 64px}.eyebrow{display:flex;align-items:center;gap:9px;color:#55575d;letter-spacing:.11em;font-family:'RACO Body','Directory Modern Bangla',sans-serif;font-size:.62rem}.raco-status-dot{width:6px;height:6px;background:var(--raco-coral);flex-shrink:0}h1{font-family:'RACO Display','Directory Modern Bangla',sans-serif;font-weight:400;font-size:clamp(2.8rem,4.65vw,4.5rem);letter-spacing:-.055em;line-height:1.05;margin:30px 0 25px;text-wrap:balance;white-space:normal}.raco-heading-accent{color:var(--raco-accent-ink)}.intro-bottom{display:block}.intro-bottom p{max-width:500px;color:#4b4e54;font-size:.95rem;line-height:1.7;margin:0 0 28px}.raco-explore{min-width:228px}.raco-hero-footnote{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:30px;font-size:.64rem;color:#55575d}.raco-showcase{min-width:0;background:#e2e2e5;border:1px solid var(--raco-line)}.raco-showcase-top,.raco-showcase-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px;font-size:.6rem;color:#4b4e54;letter-spacing:.08em}.raco-showcase-top{border-bottom:1px solid var(--raco-line)}.raco-showcase-bottom{border-top:1px solid var(--raco-line);font-family:'RACO Display','Directory Modern Bangla',sans-serif;font-size:.85rem;letter-spacing:0}.raco-showcase-rule{width:42px;height:3px;background:var(--raco-coral)}.raco-showcase-tiles{height:350px;position:relative;overflow:hidden}.raco-window{position:absolute;border:1px solid #15171a33;background:#f5f5f6;box-shadow:0 18px 32px -20px #15171a70;overflow:hidden;width:81%}.raco-window-first{top:26px;right:-8px;transform:rotate(2deg);animation:raco-drift-one 9s ease-in-out infinite}.raco-window-second{top:167px;left:-8px;transform:rotate(-3deg);animation:raco-drift-two 10s ease-in-out infinite}.raco-window-bar{height:15px;display:flex;align-items:center;gap:3px;padding:0 7px;background:#f3f3f4;border-bottom:1px solid var(--raco-line)}.raco-window-bar i{width:3px;height:3px;border-radius:50%;background:#888b91}.raco-window img{display:block;width:100%;height:185px;object-fit:cover;object-position:top}.raco-showcase-index{position:absolute;right:20px;bottom:14px;font:400 3.1rem/1 'RACO Display',sans-serif;letter-spacing:-.08em;color:var(--raco-ink)}.raco-showcase:hover .raco-window{animation-play-state:paused}@keyframes raco-drift-one{50%{transform:translateY(7px) rotate(2deg)}}@keyframes raco-drift-two{50%{transform:translateY(-6px) rotate(-3deg)}}
.collection-modes{border-color:var(--raco-line);padding:23px 0;margin-bottom:30px}.collection-modes>span{color:#55575d;font-size:.62rem}.collection-modes button{font-family:'RACO Display','Directory Modern Bangla',sans-serif;border-radius:0;border-color:var(--raco-line);color:var(--raco-ink);padding:12px 18px;min-height:44px}.collection-modes button[aria-pressed=true]{background:var(--raco-coral);border-color:var(--raco-coral);color:var(--raco-ink)}.grid{gap:32px 26px}.card{background:#f5f5f6;border-color:var(--raco-line);border-radius:0;box-shadow:none;transition:border-color .25s,background .25s}.card:hover{transform:none;background:#fff;border-color:#15171a66}.preview{border-bottom:1px solid var(--raco-line)}.preview img{transition:transform .6s,opacity .2s}.card:hover .preview img{transform:scale(1.025)}.no,.visit{border-radius:0;width:36px;height:36px;background:#ebebed;color:var(--raco-ink)}.visit{background:var(--raco-coral)}.copy{padding:28px}.copy small{color:#55575d;font-size:.65rem;letter-spacing:.04em}.copy h2{font:400 1.75rem/1.15 'RACO Display','Directory Modern Bangla',sans-serif;letter-spacing:-.04em}.copy p{color:#55575d}.meta{border-color:var(--raco-line);font-size:.72rem}.meta>span:last-child,.meta>span:last-child>span{color:var(--raco-ink);font-weight:500}.preview.inner-preview:after{border-radius:0;background:var(--raco-ink)}footer{margin-top:55px;padding:38px 0;border-top:1px solid var(--raco-line);color:#55575d}.raco-footer-brand{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.raco-signature{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin:0;padding:0;background:transparent;color:var(--raco-ink);border-radius:0;font-size:.85rem;font-family:'RACO Display','Directory Modern Bangla',sans-serif}.raco-signature:hover{background:transparent}.raco-signature img{width:150px;height:auto}.font-credit{color:var(--raco-ink)}html[lang=bn] .intro h1{font-size:clamp(2.45rem,3.8vw,3.8rem);line-height:1.4;letter-spacing:normal}html[lang=bn] .raco-hero-footnote,html[lang=bn] .eyebrow,html[lang=bn] .raco-showcase-top{letter-spacing:normal}html[lang=bn] .copy h2{font-family:'Directory Modern Bangla',sans-serif;font-size:1.65rem;line-height:1.5;letter-spacing:normal}
@media(max-width:1000px){.raco-nav-link{display:none}.raco-header-actions{margin-left:auto;gap:16px}.intro{gap:30px}.raco-showcase-tiles{height:320px}.raco-window img{height:165px}.raco-window-second{top:155px}}@media(max-width:760px){header{padding:23px 0;gap:16px}.raco-project-link{display:none}.raco-header-actions{gap:0}.raco-brand-mark img{width:140px}.intro{grid-template-columns:1fr;padding:45px 0 38px;gap:36px}h1{font-size:clamp(2.8rem,8.8vw,4.1rem);margin:26px 0 24px;max-width:590px;text-wrap:initial}.intro-bottom p{max-width:550px}.raco-hero-footnote{margin-top:24px}.raco-showcase{max-width:550px}.raco-showcase-tiles{height:280px}.raco-window{width:77%}.raco-window img{height:155px}.raco-window-second{top:125px}.raco-showcase-top,.raco-showcase-bottom{padding:14px}.raco-footer-brand{align-items:flex-start;flex-direction:column}.copy{padding:24px}.copy h2{font-size:1.55rem}.raco-footer-contact{min-width:210px}}@media(max-width:380px){.raco-brand-mark img{width:124px}.lang{gap:6px}.lang button{min-width:39px;padding:8px}.raco-brand-caption{font-size:.52rem}.intro h1{font-size:2.65rem}.raco-showcase-tiles{height:245px}.raco-window img{height:135px}.raco-window-second{top:111px}.raco-hero-footnote{gap:10px;font-size:.6rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.raco-window{animation:none}.card:hover .preview img{transform:none}.raco-explore:hover,.raco-project-link:hover,.raco-footer-contact:hover{transform:none}}

.raco-theme-toggle{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;padding:0;border:1px solid var(--raco-line);border-radius:0;background:transparent;color:var(--raco-ink)}.raco-theme-toggle:hover{background:#15171a0b}.theme-sun{display:none}html[data-theme=dark] .theme-sun{display:block}html[data-theme=dark] .theme-moon{display:none}.raco-project-link,.raco-explore,.raco-footer-contact,.collection-modes button[aria-pressed=true],.visit{color:#15171a}html[data-theme=dark]{--raco-paper:#29292b;--raco-ink:#f7f5f0;--raco-line:#ffffff26;--raco-accent-ink:#ff7864}html[data-theme=dark] .raco-brand-mark img,html[data-theme=dark] .raco-signature img{filter:invert(1)}html[data-theme=dark] :is(.raco-brand-caption,.eyebrow,.intro-bottom p,.raco-hero-footnote,.raco-showcase-top,.raco-showcase-bottom,.collection-modes>span,.copy small,.copy p,footer){color:#c6c6cc}html[data-theme=dark] .raco-showcase{background:#333335}html[data-theme=dark] .raco-window{border-color:#ffffff35;background:#202022;box-shadow:0 18px 32px -20px #0009}html[data-theme=dark] .raco-window-bar{background:#202022}html[data-theme=dark] .card{background:#323234}html[data-theme=dark] .card:hover{background:#3a3a3d;border-color:#ff786475}html[data-theme=dark] .no{background:#f7f5f0;color:#15171a}html[data-theme=dark] .lang button[aria-pressed=true]{background:#f7f5f0;color:#29292b}html[data-theme=dark] .raco-theme-toggle:hover{background:#ffffff0c}body,.card,.raco-showcase{transition:background-color .2s,color .2s,border-color .2s}@media(max-width:760px){.raco-header-actions{gap:8px}}@media(max-width:380px){.raco-theme-toggle{width:38px;height:40px}.raco-header-actions{gap:7px}}

.raco-theme-toggle[aria-pressed]{background:transparent;color:var(--raco-ink);border-color:var(--raco-line)}.raco-theme-toggle[aria-pressed]:hover{background:#15171a0b}html[data-theme=dark] .raco-theme-toggle[aria-pressed]:hover{background:#ffffff0c}

/* Preserve full website previews at every breakpoint. */
.raco-catalogue .card .preview{height:auto;aspect-ratio:8/5}