/* =====================================================================
   Edufast website - notun design (logo-r sobuj + lal accent)
   Shudhu <body class="ws"> e kaj kore. Purono theme (g_main.css)-er upore boshe.
   ===================================================================== */
:root {
    --ws-brand: #0FA64A;
    --ws-primary: #0B8A3E;
    --ws-primary-600: #087434;
    --ws-primary-50: #E8F6EE;
    --ws-primary-100: #CDEBD9;
    --ws-accent: #E2232B;
    --ws-accent-50: #FDECEC;
    --ws-ink: #0F1A14;
    --ws-ink-2: #2F3B34;
    --ws-muted: #5E6B63;
    --ws-faint: #8C9891;
    --ws-line: #E3E9E5;
    --ws-line-2: #EEF2EF;
    --ws-bg: #F5F7F6;
    --ws-surface: #FFFFFF;
    --ws-dark: #0B2416;
    --ws-radius: 16px;
    --ws-radius-sm: 10px;
    --ws-shadow: 0 1px 2px rgba(15, 26, 20, .05), 0 4px 16px rgba(15, 26, 20, .05);
    --ws-shadow-lg: 0 12px 40px rgba(15, 26, 20, .12);
    --ws-font: "Inter", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --ws-wrap: 1200px;
}

body.ws { font-family: var(--ws-font); font-size: 15px; line-height: 1.6; color: var(--ws-ink-2); background: var(--ws-surface); -webkit-font-smoothing: antialiased; }
body.ws h1, body.ws h2, body.ws h3, body.ws h4, body.ws h5, body.ws h6 { font-family: var(--ws-font); color: var(--ws-ink); letter-spacing: -.01em; line-height: 1.25; font-weight: 700; }
body.ws a { color: var(--ws-primary); }
body.ws a:hover { color: var(--ws-primary-600); }
body.ws span { display: inline; }
body.ws p { line-height: 1.65; }
body.ws img { max-width: 100%; }
body.ws ::selection { background: var(--ws-primary-100); }
.ws-wrap { max-width: var(--ws-wrap); margin: 0 auto; padding: 0 20px; }

/* buttons */
body.ws .ws-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid transparent;
    font-weight: 600; font-size: 15px; line-height: 1; white-space: nowrap; cursor: pointer;
    transition: background .15s, color .15s, border-color .15s, box-shadow .15s, transform .15s;
    background: var(--ws-primary); color: #fff;
}
body.ws .ws-btn:hover { background: var(--ws-primary-600); color: #fff; }
body.ws .ws-btn:active { transform: translateY(1px); }
body.ws .ws-btn:focus-visible { outline: 3px solid var(--ws-primary-100); outline-offset: 2px; }
body.ws .ws-btn.ghost { background: var(--ws-surface); color: var(--ws-ink); border-color: var(--ws-line); }
body.ws .ws-btn.ghost:hover { border-color: var(--ws-primary); color: var(--ws-primary); }
body.ws .ws-btn.light { background: var(--ws-primary-50); color: var(--ws-primary-600); }
body.ws .ws-btn.light:hover { background: var(--ws-primary-100); }
body.ws .ws-btn.white { background: #fff; color: var(--ws-primary-600); }
body.ws .ws-btn.white:hover { background: var(--ws-primary-50); }
body.ws .ws-btn.outline-white { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
body.ws .ws-btn.outline-white:hover { background: rgba(255, 255, 255, .12); }
body.ws .ws-btn.sm { height: 36px; padding: 0 14px; font-size: 13.5px; }
body.ws .ws-btn.lg { height: 52px; padding: 0 26px; font-size: 16px; }
body.ws .ws-btn.block { width: 100%; }

/* ------------------------------------------------------------- topbar + header */
.ws-topbar { background: var(--ws-dark); color: rgba(255, 255, 255, .8); font-size: 13px; }
.ws-topbar .ws-wrap { display: flex; align-items: center; gap: 18px; height: 38px; }
.ws-topbar .info { display: flex; gap: 18px; align-items: center; }
.ws-topbar .info i { color: var(--ws-brand); margin-right: 6px; }
.ws-topbar .soc { margin-left: auto; display: flex; gap: 4px; align-items: center; }
body.ws .ws-topbar a { color: rgba(255, 255, 255, .85); white-space: nowrap; }
.ws-topbar .info span { white-space: nowrap; }
body.ws .ws-topbar a:hover { color: #fff; }
.ws-topbar .soc a.ic { width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; }
.ws-topbar .soc a.ic:hover { background: rgba(255, 255, 255, .1); }
.ws-topbar .sep { width: 1px; height: 14px; background: rgba(255, 255, 255, .2); margin: 0 6px; }

.ws-header { position: sticky; top: 0; z-index: 1030; background: rgba(255, 255, 255, .96); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: box-shadow .2s, border-color .2s; }
.ws-header.scrolled { border-bottom-color: var(--ws-line); box-shadow: 0 4px 20px rgba(15, 26, 20, .06); }
.ws-header .ws-wrap { display: flex; align-items: center; gap: 24px; height: 76px; }
.ws-logo img { height: 46px; width: auto; display: block; }
.ws-nav { display: flex; align-items: center; gap: 2px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.ws-nav > li { position: relative; }
body.ws .ws-nav > li > a, .ws-nav > li > button {
    display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px; border-radius: 999px;
    color: var(--ws-ink-2); font-weight: 500; font-size: 15px; background: none; border: 0; cursor: pointer;
}
body.ws .ws-nav > li > a:hover, .ws-nav > li:hover > button { color: var(--ws-primary); background: var(--ws-primary-50); }
body.ws .ws-nav > li > a.active { color: var(--ws-primary); font-weight: 600; }
.ws-nav .has-sub > button i { font-size: 10px; transition: transform .2s; }
.ws-sub { position: absolute; top: 100%; left: 0; min-width: 220px; padding: 8px; margin: 6px 0 0; list-style: none; background: #fff; border: 1px solid var(--ws-line); border-radius: 14px; box-shadow: var(--ws-shadow-lg); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .15s, transform .15s, visibility .15s; }
.ws-sub::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.ws-nav .has-sub:hover .ws-sub, .ws-nav .has-sub:focus-within .ws-sub { opacity: 1; visibility: visible; transform: none; }
body.ws .ws-sub a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ws-ink-2); font-size: 14.5px; }
body.ws .ws-sub a:hover { background: var(--ws-primary-50); color: var(--ws-primary); }
.ws-head-cta { display: flex; gap: 8px; align-items: center; }
.ws-burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--ws-line); background: #fff; color: var(--ws-ink); font-size: 18px; align-items: center; justify-content: center; margin-left: auto; }
.ws-drawer-head, .ws-drawer-foot { display: none; }
.ws-scrim { display: none; }

/* ------------------------------------------------------------- sections */
.ws-section { padding: 88px 0; }
.ws-section.tint { background: var(--ws-bg); }
.ws-section.tight { padding: 56px 0; }
.ws-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; }
.ws-head.center { flex-direction: column; align-items: center; text-align: center; }
.ws-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ws-primary); margin-bottom: 10px; }
.ws-kicker::before { content: ""; width: 18px; height: 2px; background: var(--ws-accent); border-radius: 2px; }
body.ws .ws-head h2 { font-size: 36px; margin: 0; }
.ws-head p { color: var(--ws-muted); margin: 10px 0 0; max-width: 600px; font-size: 16px; }

/* ------------------------------------------------------------- hero */
.ws-hero { position: relative; overflow: hidden; background: radial-gradient(1200px 500px at 85% -10%, var(--ws-primary-50), transparent 60%), linear-gradient(180deg, #fff, var(--ws-bg)); padding: 64px 0 72px; }
.ws-hero .ws-wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.ws-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; background: #fff; border: 1px solid var(--ws-line); font-size: 13.5px; font-weight: 500; color: var(--ws-ink-2); box-shadow: var(--ws-shadow); }
.ws-pill b { background: var(--ws-accent); color: #fff; border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 700; }
body.ws .ws-hero h1 { font-size: 54px; line-height: 1.08; letter-spacing: -.025em; margin: 22px 0 18px; }
.ws-hero h1 em { font-style: normal; color: var(--ws-primary); position: relative; white-space: nowrap; }
.ws-hero h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px; background: var(--ws-primary-100); z-index: -1; border-radius: 4px; }
.ws-hero .lead { font-size: 18px; color: var(--ws-muted); max-width: 520px; margin: 0 0 28px; }
.ws-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.ws-hero-proof { display: flex; gap: 28px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--ws-line); flex-wrap: wrap; }
.ws-hero-proof div { min-width: 90px; }
.ws-hero-proof b { display: block; font-size: 26px; color: var(--ws-ink); font-weight: 800; letter-spacing: -.02em; }
.ws-hero-proof small { color: var(--ws-muted); font-size: 13.5px; }

.ws-slider { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--ws-shadow-lg); aspect-ratio: 5 / 4; background: var(--ws-primary); }
.ws-slider .carousel, .ws-slider .carousel-inner, .ws-slider .carousel-item { height: 100%; }
.ws-slider img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ws-slider .cap { position: absolute; left: 16px; right: 16px; bottom: 16px; background: rgba(255, 255, 255, .95); border-radius: 14px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; box-shadow: var(--ws-shadow); }
.ws-slider .cap b { display: block; color: var(--ws-ink); font-size: 15.5px; }
.ws-slider .cap small { color: var(--ws-muted); font-size: 13px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ws-slider .cap > div { min-width: 0; flex: 1; }
.ws-slider .carousel-indicators { top: 16px; bottom: auto; right: 16px; left: auto; margin: 0; justify-content: flex-end; }
.ws-slider .carousel-indicators [data-bs-target] { width: 22px; height: 4px; border-radius: 4px; border: 0; margin: 0 3px; opacity: .55; }
.ws-slider .carousel-indicators .active { opacity: 1; width: 34px; }
.ws-slider-ctrl { position: absolute; bottom: 92px; right: 16px; display: flex; gap: 6px; z-index: 3; }
.ws-slider-ctrl button { width: 38px; height: 38px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .9); color: var(--ws-ink); display: inline-flex; align-items: center; justify-content: center; box-shadow: var(--ws-shadow); }
.ws-hero-badge { position: absolute; left: -22px; top: 36px; background: #fff; border-radius: 14px; padding: 12px 14px; display: flex; gap: 10px; align-items: center; box-shadow: var(--ws-shadow-lg); z-index: 4; font-size: 13px; }
.ws-hero-badge i { width: 36px; height: 36px; border-radius: 10px; background: var(--ws-accent-50); color: var(--ws-accent); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; }
.ws-hero-badge b { display: block; color: var(--ws-ink); font-size: 14px; }
.ws-hero-art { position: relative; }

/* ------------------------------------------------------------- features strip */
.ws-feats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ws-feat { background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 24px; display: flex; gap: 16px; align-items: flex-start; transition: box-shadow .2s, transform .2s, border-color .2s; }
.ws-feat:hover { box-shadow: var(--ws-shadow-lg); transform: translateY(-2px); border-color: transparent; }
.ws-feat .ico { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--ws-primary-50); color: var(--ws-primary); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
.ws-feat:nth-child(3n+2) .ico { background: var(--ws-accent-50); color: var(--ws-accent); }
.ws-feat:nth-child(3n+3) .ico { background: #FFF4E0; color: #C77700; }
body.ws .ws-feat h3 { font-size: 17px; margin: 2px 0 6px; }
.ws-feat p { color: var(--ws-muted); font-size: 14.5px; margin: 0; }
body.ws .ws-feat a.more { font-size: 14px; font-weight: 600; margin-top: 10px; display: inline-flex; gap: 6px; align-items: center; }

/* ------------------------------------------------------------- course cards */
.ws-courses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ws-course { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); overflow: hidden; transition: box-shadow .2s, transform .2s, border-color .2s; }
.ws-course:hover { box-shadow: var(--ws-shadow-lg); transform: translateY(-3px); border-color: transparent; }
.ws-course .thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--ws-primary-50); }
.ws-course .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ws-course:hover .thumb img { transform: scale(1.04); }
.ws-course .off { position: absolute; top: 12px; left: 12px; background: var(--ws-accent); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.ws-course .cat { position: absolute; top: 12px; right: 12px; background: rgba(255, 255, 255, .94); color: var(--ws-ink-2); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.ws-course .body { padding: 18px 20px 0; flex: 1; display: flex; flex-direction: column; }
body.ws .ws-course h3 { font-size: 18px; margin: 0 0 8px; }
body.ws .ws-course h3 a { color: var(--ws-ink); }
body.ws .ws-course h3 a:hover { color: var(--ws-primary); }
.ws-course .desc { color: var(--ws-muted); font-size: 14px; margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ws-course .meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--ws-muted); font-size: 13px; margin-bottom: 16px; }
.ws-course .meta i { color: var(--ws-faint); margin-right: 4px; }
.ws-course .foot { margin-top: auto; border-top: 1px solid var(--ws-line-2); padding: 14px 20px; display: flex; align-items: center; gap: 10px; }
.ws-price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.ws-price b { font-size: 21px; color: var(--ws-ink); font-weight: 800; letter-spacing: -.02em; }
.ws-price s { color: var(--ws-faint); font-size: 14px; }
.ws-price .free { color: var(--ws-primary); }
.ws-course .foot .acts { margin-left: auto; display: flex; gap: 6px; }

/* ------------------------------------------------------------- about */
.ws-about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.ws-about-img { position: relative; }
.ws-about-img img { width: 100%; border-radius: 24px; aspect-ratio: 9 / 8; object-fit: cover; box-shadow: var(--ws-shadow-lg); }
.ws-about-img .stamp { position: absolute; right: -18px; bottom: 28px; background: var(--ws-primary); color: #fff; border-radius: 18px; padding: 18px 22px; box-shadow: var(--ws-shadow-lg); }
.ws-about-img .stamp b { display: block; font-size: 30px; line-height: 1; font-weight: 800; }
.ws-about-img .stamp small { opacity: .85; }
.ws-about-text { color: var(--ws-muted); font-size: 16px; }
.ws-checks { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.ws-checks li { display: flex; gap: 10px; align-items: flex-start; color: var(--ws-ink-2); font-weight: 500; font-size: 15px; }
.ws-checks i { color: var(--ws-primary); background: var(--ws-primary-50); width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; flex: none; margin-top: 2px; }

/* ------------------------------------------------------------- stats band */
.ws-stats { background: var(--ws-primary); background-image: radial-gradient(600px 300px at 10% 0%, rgba(255, 255, 255, .12), transparent 60%), radial-gradient(500px 300px at 100% 100%, rgba(0, 0, 0, .15), transparent 60%); color: #fff; border-radius: 24px; padding: 40px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.ws-stats div { text-align: center; }
.ws-stats b { display: block; font-size: 40px; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.ws-stats small { color: rgba(255, 255, 255, .8); font-size: 14.5px; }
.ws-stats div + div { border-left: 1px solid rgba(255, 255, 255, .18); }

/* ------------------------------------------------------------- steps */
.ws-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: s; }
.ws-step { position: relative; background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 24px; }
.ws-step .n { width: 40px; height: 40px; border-radius: 12px; background: var(--ws-ink); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 16px; }
.ws-step:last-child .n { background: var(--ws-primary); }
body.ws .ws-step h3 { font-size: 17px; margin: 0 0 6px; }
.ws-step p { color: var(--ws-muted); font-size: 14.5px; margin: 0; }
.ws-step:not(:last-child)::after { content: ""; position: absolute; top: 44px; right: -14px; width: 8px; height: 8px; border-top: 2px solid var(--ws-faint); border-right: 2px solid var(--ws-faint); transform: rotate(45deg); }

/* ------------------------------------------------------------- teachers */
.ws-teachers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.ws-teacher { background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 24px 18px; text-align: center; }
.ws-teacher img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; background: var(--ws-primary-50); border: 4px solid var(--ws-primary-50); margin-bottom: 14px; }
body.ws .ws-teacher h3 { font-size: 16.5px; margin: 0 0 4px; }
.ws-teacher p { color: var(--ws-muted); font-size: 13.5px; margin: 0; }

/* ------------------------------------------------------------- testimonials */
.ws-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 40px) / 3); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 4px 2px 8px; }
.ws-track::-webkit-scrollbar { display: none; }
.ws-quote { scroll-snap-align: start; background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 24px; display: flex; flex-direction: column; }
.ws-quote .stars { color: #F5A524; font-size: 13px; letter-spacing: 2px; margin-bottom: 12px; }
.ws-quote p { color: var(--ws-ink-2); font-size: 15.5px; margin: 0 0 20px; }
.ws-quote .who { margin-top: auto; display: flex; align-items: center; gap: 12px; }
.ws-quote .who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; background: var(--ws-primary-50); }
.ws-quote .who b { display: block; color: var(--ws-ink); font-size: 14.5px; }
.ws-quote .who small { color: var(--ws-muted); font-size: 13px; }
.ws-arrows { display: flex; gap: 8px; }
.ws-arrows button { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--ws-line); background: #fff; color: var(--ws-ink); display: inline-flex; align-items: center; justify-content: center; transition: border-color .15s, color .15s; }
.ws-arrows button:hover { border-color: var(--ws-primary); color: var(--ws-primary); }

/* ------------------------------------------------------------- videos + gallery + blog */
.ws-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ws-grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.ws-video { position: relative; aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; background: var(--ws-dark); cursor: pointer; border: 0; padding: 0; width: 100%; display: block; }
.ws-video img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: opacity .2s, transform .4s; }
.ws-video:hover img { opacity: 1; transform: scale(1.03); }
.ws-video .play { position: absolute; inset: 0; margin: auto; width: 64px; height: 64px; border-radius: 50%; background: var(--ws-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; box-shadow: 0 8px 24px rgba(226, 35, 43, .4); }
.ws-video .play i { margin-left: 4px; }
.ws-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.ws-video-title { font-weight: 600; color: var(--ws-ink); font-size: 15px; margin: 12px 2px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ws-gal { position: relative; display: block; border-radius: 14px; overflow: hidden; aspect-ratio: 4 / 3; background: var(--ws-line-2); }
.ws-gal img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ws-gal:hover img { transform: scale(1.05); }
.ws-gal span { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px 12px 10px; background: linear-gradient(transparent, rgba(0, 0, 0, .6)); color: #fff; font-size: 13.5px; font-weight: 500; }
.ws-post { background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.ws-post:hover { box-shadow: var(--ws-shadow-lg); transform: translateY(-2px); }
.ws-post .thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.ws-post .thumb img { width: 100%; height: 100%; object-fit: cover; }
.ws-post .body { padding: 18px 20px 20px; }
.ws-post .date { color: var(--ws-faint); font-size: 13px; }
body.ws .ws-post h3 { font-size: 17.5px; margin: 6px 0 8px; }
body.ws .ws-post h3 a { color: var(--ws-ink); }
.ws-post p { color: var(--ws-muted); font-size: 14.5px; margin: 0; }

/* ------------------------------------------------------------- CTA band */
.ws-cta { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 24px; align-items: center; background: var(--ws-dark); color: #fff; border-radius: 24px; padding: 44px; position: relative; overflow: hidden; }
.ws-cta::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(15, 166, 74, .45), transparent 70%); }
body.ws .ws-cta h2 { color: #fff; font-size: 32px; margin: 0 0 10px; }
.ws-cta p { color: rgba(255, 255, 255, .75); margin: 0; font-size: 16px; }
.ws-cta .acts { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; position: relative; z-index: 1; }
.ws-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
body.ws a.ws-tool { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 20px 22px; color: var(--ws-ink); transition: border-color .15s, box-shadow .15s; }
body.ws a.ws-tool:hover { border-color: var(--ws-primary); box-shadow: var(--ws-shadow); color: var(--ws-ink); }
.ws-tool .ico { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--ws-primary-50); color: var(--ws-primary); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
.ws-tool b { display: block; font-size: 16px; }
.ws-tool small { color: var(--ws-muted); font-size: 14px; }
.ws-tool .go { margin-left: auto; color: var(--ws-faint); }

/* ------------------------------------------------------------- footer */
.ws-footer { background: var(--ws-dark); color: rgba(255, 255, 255, .7); padding: 72px 0 0; margin-top: 0; font-size: 14.5px; }
.ws-footer .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.4fr; gap: 40px; }
.ws-footer .flogo { display: inline-block; background: #fff; border-radius: 12px; padding: 8px 12px; margin-bottom: 18px; }
.ws-footer .flogo img { height: 40px; display: block; }
.ws-footer p { color: rgba(255, 255, 255, .65); margin: 0 0 18px; }
body.ws .ws-footer h4 { color: #fff; font-size: 15px; margin: 4px 0 16px; letter-spacing: .01em; }
.ws-footer ul { list-style: none; padding: 0; margin: 0; }
.ws-footer li { margin-bottom: 10px; }
body.ws .ws-footer a { color: rgba(255, 255, 255, .72); }
body.ws .ws-footer a:hover { color: #fff; }
.ws-footer .soc { display: flex; gap: 8px; }
body.ws .ws-footer .soc a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255, 255, 255, .08); display: inline-flex; align-items: center; justify-content: center; color: #fff; }
body.ws .ws-footer .soc a:hover { background: var(--ws-brand); }
.ws-footer .map { border-radius: 14px; overflow: hidden; background: rgba(255, 255, 255, .06); aspect-ratio: 16 / 10; }
.ws-footer .map iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(.2); }
.ws-footer .bottom { margin-top: 56px; border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: rgba(255, 255, 255, .55); }
body.ws .scroll-top { position: fixed; right: 20px; bottom: 20px; width: 44px; height: 44px; border-radius: 50%; background: var(--ws-primary); color: #fff; display: none; align-items: center; justify-content: center; box-shadow: var(--ws-shadow-lg); z-index: 99; }
body.ws .scroll-top:hover { background: var(--ws-primary-600); color: #fff; }

/* ------------------------------------------------------------- inner pages */
.ws-page-head { background: linear-gradient(180deg, var(--ws-primary-50), #fff); padding: 44px 0 36px; border-bottom: 1px solid var(--ws-line-2); }
.ws-crumbs { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--ws-muted); margin-bottom: 12px; flex-wrap: wrap; }
.ws-crumbs i { font-size: 9px; color: var(--ws-faint); }
body.ws .ws-crumbs a { color: var(--ws-muted); }
body.ws .ws-crumbs a:hover { color: var(--ws-primary); }
body.ws .ws-page-head h1 { font-size: 38px; margin: 0; letter-spacing: -.02em; }
.ws-page-head p { color: var(--ws-muted); font-size: 16.5px; margin: 10px 0 0; max-width: 680px; }
.ws-page { padding: 48px 0 88px; }
.ws-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
.ws-layout.left { grid-template-columns: 260px minmax(0, 1fr); }
.ws-card { background: #fff; border: 1px solid var(--ws-line); border-radius: var(--ws-radius); padding: 24px; }
.ws-card + .ws-card { margin-top: 20px; }
body.ws .ws-card h3 { font-size: 16px; margin: 0 0 14px; }
.ws-sticky { position: sticky; top: 96px; }
.ws-prose { color: var(--ws-ink-2); font-size: 16px; line-height: 1.75; }
body.ws .ws-prose h1, body.ws .ws-prose h2, body.ws .ws-prose h3 { margin: 1.4em 0 .5em; font-size: 22px; }
body.ws .ws-prose h4, body.ws .ws-prose h5 { margin: 1.2em 0 .4em; font-size: 18px; }
body.ws .ws-prose p { margin: 0 0 1em; line-height: 1.75; }
.ws-prose ul, .ws-prose ol { margin: 0 0 1em; padding-left: 1.4em; }
.ws-prose li { margin-bottom: .4em; }
.ws-prose img { border-radius: 12px; height: auto; }
.ws-prose table { width: 100%; border-collapse: collapse; margin-bottom: 1em; }
.ws-prose td, .ws-prose th { border: 1px solid var(--ws-line); padding: 8px 10px; }
.ws-feature-img { width: 100%; border-radius: var(--ws-radius); margin-bottom: 28px; aspect-ratio: 16 / 8; object-fit: cover; }
.ws-mini { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
body.ws .ws-mini a { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 12px; color: var(--ws-ink); }
body.ws .ws-mini a:hover { background: var(--ws-bg); }
.ws-mini img { width: 64px; height: 44px; border-radius: 8px; object-fit: cover; flex: none; background: var(--ws-primary-50); }
.ws-mini b { font-size: 14px; font-weight: 600; display: block; line-height: 1.35; }
.ws-mini small { color: var(--ws-muted); font-size: 12.5px; }

/* filters / chips */
.ws-chips { display: flex; flex-direction: column; gap: 2px; list-style: none; padding: 0; margin: 0; }
body.ws .ws-chips a { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 10px; color: var(--ws-ink-2); font-weight: 500; font-size: 14.5px; }
body.ws .ws-chips a:hover { background: var(--ws-bg); color: var(--ws-ink); }
body.ws .ws-chips a.on { background: var(--ws-primary-50); color: var(--ws-primary-600); font-weight: 600; }
.ws-chips a em { font-style: normal; font-size: 12px; color: var(--ws-muted); background: var(--ws-line-2); border-radius: 999px; padding: 1px 8px; }
.ws-search { position: relative; }
.ws-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--ws-faint); }
body.ws .ws-search input { padding-left: 40px; }
.ws-seg { display: inline-flex; background: var(--ws-bg); border-radius: 999px; padding: 4px; gap: 2px; }
body.ws .ws-seg a { padding: 6px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 600; color: var(--ws-muted); }
body.ws .ws-seg a.on { background: #fff; color: var(--ws-ink); box-shadow: var(--ws-shadow); }
.ws-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.ws-toolbar .count { color: var(--ws-muted); font-size: 14.5px; }
.ws-empty { text-align: center; padding: 56px 20px; background: #fff; border: 1px dashed var(--ws-line); border-radius: var(--ws-radius); color: var(--ws-muted); }
.ws-empty i { font-size: 34px; color: var(--ws-faint); display: block; margin-bottom: 12px; }
.ws-empty b { display: block; color: var(--ws-ink); font-size: 17px; margin-bottom: 4px; }

/* forms */
body.ws .form-control, body.ws .form-select, body.ws select.form-control {
    height: 46px; border-radius: 12px; border: 1px solid var(--ws-line); background-color: #fff; font-size: 15px; color: var(--ws-ink); padding: 0 14px; box-shadow: none;
    transition: border-color .15s, box-shadow .15s;
}
body.ws textarea.form-control { height: auto; padding: 10px 14px; }
body.ws .form-control:focus, body.ws .form-select:focus { border-color: var(--ws-primary); box-shadow: 0 0 0 4px rgba(11, 138, 62, .12); outline: 0; }
body.ws .form-control::placeholder { color: var(--ws-faint); }
body.ws .ws-form label, body.ws .ws-label { display: block; font-weight: 600; font-size: 14px; color: var(--ws-ink-2); margin-bottom: 6px; }
body.ws .ws-form .fg { margin-bottom: 16px; }
body.ws .ws-form label span[id$="_error"], body.ws .ws-form label .error { font-weight: 500; }
body.ws label.error, body.ws .error { color: var(--ws-accent); font-size: 12.5px; font-weight: 500; }
body.ws .required { color: var(--ws-accent) !important; font-size: 13px !important; font-style: normal; }
.ws-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.ws-form-grid .full { grid-column: 1 / -1; }
.ws-pass { position: relative; }
.ws-pass button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--ws-faint); width: 36px; height: 36px; border-radius: 8px; }
.ws-pass button:hover { color: var(--ws-ink); }

/* auth split (register) */
.ws-auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 0; max-width: 1080px; margin: 0 auto; background: #fff; border: 1px solid var(--ws-line); border-radius: 24px; overflow: hidden; box-shadow: var(--ws-shadow); }
.ws-auth-side { background: var(--ws-primary); background-image: radial-gradient(500px 300px at 0% 0%, rgba(255, 255, 255, .15), transparent 60%); color: #fff; padding: 44px; display: flex; flex-direction: column; }
body.ws .ws-auth-side h2 { color: #fff; font-size: 28px; margin: 0 0 12px; }
.ws-auth-side p { color: rgba(255, 255, 255, .85); }
.ws-auth-side ul { list-style: none; padding: 0; margin: 22px 0 0; }
.ws-auth-side li { display: flex; gap: 12px; margin-bottom: 14px; align-items: flex-start; }
.ws-auth-side li i { width: 28px; height: 28px; border-radius: 50%; background: rgba(255, 255, 255, .16); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; flex: none; }
.ws-auth-side li b { display: block; }
.ws-auth-side li small { color: rgba(255, 255, 255, .75); }
.ws-auth-side .note { margin-top: auto; padding-top: 24px; font-size: 13.5px; color: rgba(255, 255, 255, .75); }
.ws-auth-main { padding: 44px; }
body.ws .ws-auth-main h1 { font-size: 26px; margin: 0 0 6px; }
.ws-auth-main .sub { color: var(--ws-muted); margin: 0 0 24px; }
.ws-ref { display: flex; align-items: center; gap: 10px; background: var(--ws-primary-50); border-radius: 12px; padding: 10px 14px; margin-bottom: 18px; font-size: 14px; color: var(--ws-primary-600); }

/* course details */
.ws-cd-head { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: center; }
.ws-cd-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.ws-cd-meta span { display: inline-flex !important; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--ws-line); border-radius: 999px; padding: 6px 14px; font-size: 13.5px; color: var(--ws-ink-2); font-weight: 500; }
.ws-cd-meta i { color: var(--ws-primary); }
.ws-buy { padding: 0; overflow: hidden; }
.ws-buy img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; }
.ws-buy .in { padding: 22px; }
.ws-buy .ws-price b { font-size: 30px; }
.ws-buy .save { display: inline-block; background: var(--ws-accent-50); color: var(--ws-accent); font-weight: 700; font-size: 12.5px; border-radius: 999px; padding: 3px 10px; margin-top: 6px; }
.ws-buy ul { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--ws-line-2); padding-top: 14px; }
.ws-buy li { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; color: var(--ws-muted); }
.ws-buy li b { color: var(--ws-ink); font-weight: 600; }
.ws-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--ws-line); margin-bottom: 24px; overflow-x: auto; }
.ws-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 12px 16px; font-weight: 600; color: var(--ws-muted); font-size: 15px; margin-bottom: -1px; white-space: nowrap; }
.ws-tabs button.active { color: var(--ws-primary); border-bottom-color: var(--ws-primary); }
.ws-tabs button:hover { color: var(--ws-ink); }
.ws-pane { display: none; }
.ws-pane.active { display: block; }

/* result + verify */
.ws-narrow { max-width: 860px; margin: 0 auto; }
.ws-form-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 16px; }

/* batch modal (glob) */
body.ws .modal-content { border-radius: 18px; border: 0; }
body.ws .modal table td { padding: 10px; vertical-align: middle; }

/* bootstrap pagination */
body.ws .pagination { gap: 6px; flex-wrap: wrap; justify-content: center; margin: 32px 0 0; }
body.ws .page-link { border-radius: 10px !important; border: 1px solid var(--ws-line); color: var(--ws-ink-2); min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; }
body.ws .page-item.active .page-link { background: var(--ws-primary); border-color: var(--ws-primary); color: #fff; }

/* reveal: shudhu class, kono lukano nei (content shob shomoy dekha jay) */

/* ------------------------------------------------------------- responsive */
@media (max-width: 1199px) {
    body.ws .ws-hero h1 { font-size: 46px; }
    .ws-teachers { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .ws-footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991px) {
    .ws-topbar .info .hide-md { display: none; }
    .ws-header { backdrop-filter: none; background: #fff; }
    .ws-header .ws-wrap { height: 66px; }
    .ws-logo img { height: 40px; }
    .ws-burger { display: inline-flex; }
    .ws-head-cta .ws-btn.ghost { display: none; }
    .ws-menu {
        position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 88vw); background: #fff; z-index: 1050;
        transform: translateX(100%); transition: transform .25s ease; display: flex; flex-direction: column; box-shadow: var(--ws-shadow-lg);
    }
    body.ws-menu-open .ws-menu { transform: none; }
    body.ws-menu-open .ws-scrim { display: block; position: fixed; inset: 0; background: rgba(11, 36, 22, .45); z-index: 1045; }
    body.ws-menu-open { overflow: hidden; }
    .ws-drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--ws-line-2); }
    .ws-drawer-head img { height: 36px; }
    .ws-drawer-head button { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--ws-line); background: #fff; }
    .ws-nav { flex-direction: column; align-items: stretch; margin: 0; padding: 12px; gap: 2px; overflow-y: auto; flex: 1; }
    body.ws .ws-nav > li > a, .ws-nav > li > button { width: 100%; height: 48px; border-radius: 12px; justify-content: space-between; font-size: 16px; }
    .ws-sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 6px 12px; margin: 0; display: none; }
    .ws-nav .has-sub.open .ws-sub { display: block; }
    .ws-nav .has-sub.open > button i { transform: rotate(180deg); }
    .ws-drawer-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px; border-top: 1px solid var(--ws-line-2); }
    .ws-section { padding: 64px 0; }
    .ws-hero { padding: 36px 0 56px; }
    .ws-hero .ws-wrap { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .ws-hero-badge { left: 12px; top: 12px; }
    .ws-feats, .ws-grid3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .ws-courses { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ws-about { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .ws-about-img .stamp { right: 12px; }
    .ws-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ws-step:nth-child(2)::after { display: none; }
    .ws-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; padding: 32px 24px; }
    .ws-stats div:nth-child(3) { border-left: 0; }
    .ws-track { grid-auto-columns: calc((100% - 20px) / 2); }
    .ws-grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ws-cta { grid-template-columns: minmax(0, 1fr); padding: 32px; }
    .ws-cta .acts { justify-content: flex-start; }
    .ws-layout, .ws-layout.left, .ws-cd-head { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    .ws-sticky { position: static; }
    .ws-auth { grid-template-columns: minmax(0, 1fr); }
    .ws-auth-side { padding: 28px; }
    .ws-auth-side ul { display: none; }
    .ws-auth-side .note { display: none; }
}
@media (max-width: 767px) {
    .ws-topbar .info { display: none; }
    .ws-topbar .soc { margin-left: 0; flex: 1; min-width: 0; justify-content: space-between; font-size: 12.5px; }
    .ws-topbar .ws-wrap { padding: 0 12px; }
    body.ws .ws-hero h1 { font-size: 36px; }
    .ws-hero .lead { font-size: 16.5px; }
    .ws-hero-proof { gap: 12px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .ws-hero-proof div { min-width: 0; }
    .ws-hero-proof small { font-size: 12.5px; display: block; line-height: 1.35; }
    .ws-hero-proof b { font-size: 22px; }
    body.ws .ws-head h2 { font-size: 28px; }
    .ws-head { flex-direction: column; align-items: flex-start; margin-bottom: 26px; }
    .ws-head.center { align-items: center; }
    .ws-feats, .ws-courses, .ws-grid3, .ws-tools { grid-template-columns: minmax(0, 1fr); }
    .ws-teachers { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .ws-teacher { padding: 18px 12px; }
    .ws-teacher img { width: 76px; height: 76px; }
    .ws-steps { grid-template-columns: minmax(0, 1fr); }
    .ws-step::after { display: none; }
    .ws-checks { grid-template-columns: minmax(0, 1fr); }
    .ws-stats b { font-size: 30px; }
    .ws-track { grid-auto-columns: 86%; }
    .ws-footer { padding-top: 52px; }
    .ws-footer .cols { grid-template-columns: minmax(0, 1fr); gap: 32px; }
    body.ws .ws-cta h2 { font-size: 25px; }
    body.ws .ws-page-head h1 { font-size: 28px; }
    .ws-page-head { padding: 28px 0 24px; }
    .ws-page { padding: 28px 0 64px; }
    .ws-form-grid, .ws-form-row { grid-template-columns: minmax(0, 1fr); }
    .ws-auth { border-radius: 18px; }
    .ws-auth-main { padding: 24px 20px; }
    .ws-head-cta .ws-btn { padding: 0 14px; height: 40px; font-size: 14px; }
    .ws-slider { aspect-ratio: 4 / 3.4; border-radius: 18px; }
    .ws-slider-ctrl { display: none; }
}
@media (max-width: 400px) {
    .ws-head-cta { display: none; }
}
.pointer { cursor: pointer; }