/* LCB Global — brand: deep navy + signal orange (from the logo's compass needle). */
:root{
  --navy:#0E1726; --navy-2:#17233A; --navy-line:#2A3852;
  --orange:#F04E23; --orange-dark:#C93A14; --orange-soft:#FDEBE5;
  --bg:#F5F6F8; --surface:#FFFFFF; --ink:#141A24; --muted:#5B6474; --line:#E1E4EA;
  --on-navy:#F2F4F8; --on-navy-muted:#A9B3C6;
  --wa:#1F8F4E; --blue:#1C7ED6;
  --f-body:"Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;
  --f-han:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.75 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.3;text-wrap:balance;margin:0}
h1{font-size:clamp(2rem,5vw,3.3rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding-inline:20px}
.han{font-family:var(--f-han);font-weight:700}
.eyebrow{font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--orange)}
.lead{color:var(--muted);max-width:64ch;font-size:1.06rem}
.sec{padding-block:76px}
.sec-head{display:grid;gap:10px;margin-bottom:38px}
.sec-head.center{text-align:center;justify-items:center}
.dark{background:var(--navy);color:var(--on-navy)}
.dark .lead{color:var(--on-navy-muted)}
.white{background:var(--surface)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font:600 1rem/1.2 var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{filter:brightness(1.08)}
.btn-line{border-color:var(--line);background:var(--surface);color:var(--ink)}
.btn-line:hover{border-color:var(--ink)}
.dark .btn-line{background:transparent;color:var(--on-navy);border-color:var(--navy-line)}
.dark .btn-line:hover{border-color:var(--on-navy)}

/* Offer strip */
.strip{background:var(--orange);color:#fff;font-size:.95rem;text-align:center;padding:8px 20px}
.strip a{font-weight:700}

/* Header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:var(--navy);border-bottom:1px solid var(--navy-line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--on-navy-muted);text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:500}
.nav a:hover{color:#fff;background:var(--navy-2)}
.nav a[aria-current="page"]{color:#fff;box-shadow:inset 0 -2px 0 var(--orange);border-radius:0}
.nav .btn{margin-left:8px;padding:9px 18px;color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--navy-line);color:#fff;border-radius:8px;padding:8px 12px;font:600 .95rem var(--f-body);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--navy);padding:8px 20px 20px;border-bottom:1px solid var(--navy-line)}
  .nav.open{display:flex}
  .nav a{padding:12px 8px;border-bottom:1px solid var(--navy-line);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--orange)}
  .nav .btn{margin:12px 0 0;border-bottom:0;border-radius:999px}
  .logo img{height:34px}
}

/* Hero */
.hero{padding-block:72px 80px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lead{margin-top:18px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{font-size:.9rem;padding:6px 14px;border-radius:999px;border:1px solid var(--navy-line);color:var(--on-navy-muted)}
.seal-disc{justify-self:center;width:min(100%,360px);aspect-ratio:1;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-content:center;text-align:center;gap:6px;box-shadow:0 0 0 14px rgba(240,78,35,.14),0 0 0 28px rgba(240,78,35,.06)}
.seal-disc .han{font-size:clamp(3.2rem,9vw,5rem);line-height:1}
.seal-disc .py{font-weight:600;font-size:1.15rem}
.seal-disc small{opacity:.85}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.seal-disc{width:min(100%,260px)}}

/* Page hero (inner pages) */
.page-hero{padding-block:56px 60px}
.page-hero .lead{margin-top:12px}
.crumbs{font-size:.88rem;color:var(--on-navy-muted);margin-bottom:12px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:#fff}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;display:grid;gap:4px;min-width:0}
.stat b{font-size:2.1rem;color:var(--orange);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{color:var(--muted);font-size:.95rem}
.source{margin-top:14px;font-size:.82rem;color:var(--muted)}
@media (max-width:760px){.stats{grid-template-columns:1fr}}

/* Service grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:960px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;display:grid;gap:10px;align-content:start;min-width:0}
.card p{color:var(--muted)}
.icon{width:52px;height:52px;border-radius:50%;background:var(--navy);display:grid;place-items:center;border:2px solid var(--orange)}
.icon svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card ul{margin:0;padding-left:1.1em;color:var(--muted)}
.card .more{font-weight:600;color:var(--orange);text-decoration:none}

/* Courses & pricing */
.courses{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:860px){.courses{grid-template-columns:1fr}}
.course{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;min-width:0}
.course-top{background:var(--navy);color:var(--on-navy);padding:26px;display:grid;gap:6px}
.course-top .dur{color:var(--orange);font-weight:700;font-size:.9rem;letter-spacing:.04em}
.course-top p{color:var(--on-navy-muted)}
.course-body{padding:24px 26px 28px;display:grid;gap:16px}
.tiers{display:grid;gap:10px}
.tier{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:baseline;padding:14px 16px;border:1px solid var(--line);border-radius:12px}
.tier .when{font-size:.9rem;color:var(--muted)}
.tier .price{font-size:1.45rem;font-weight:700;font-variant-numeric:tabular-nums;grid-row:span 2;align-self:center}
.tier .off{font-weight:700}
.tier.now{border-color:var(--orange);background:var(--orange-soft)}
.tier.now .off{color:var(--orange-dark)}
.tier.past{display:none}
.tier .per{grid-column:1;font-size:.88rem;color:var(--muted)}
.course-body ul{margin:0;padding-left:1.1em;color:var(--muted)}
.fine{font-size:.9rem;color:var(--muted)}

/* Process steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.steps li{counter-increment:s;border-top:3px solid var(--orange);padding-top:14px;display:grid;gap:6px;align-content:start;min-width:0}
.steps li::before{content:"ধাপ " counter(s, bengali);font-weight:700;color:var(--orange);font-size:.9rem}
.steps p{color:var(--muted);font-size:.95rem}
.dark .steps p{color:var(--on-navy-muted)}
@media (max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* Classes list */
.classes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;counter-reset:c}
.classes li{counter-increment:c;display:grid;grid-template-columns:48px 1fr;gap:14px;padding:18px 0;border-top:1px solid var(--line);min-width:0}
.classes li::before{content:counter(c, bengali);font-size:1.9rem;font-weight:700;line-height:1;color:var(--orange)}
.classes p{color:var(--muted);font-size:.95rem;margin-top:2px}
@media (max-width:760px){.classes{grid-template-columns:1fr}}

/* Founders */
.founders{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:860px){.founders{grid-template-columns:1fr;max-width:420px;margin:0 auto}}
.founder{background:var(--navy-2);border:1px solid var(--navy-line);border-radius:16px;padding:28px 22px;display:grid;justify-items:center;text-align:center;gap:10px}
.founder img{width:150px;height:150px;border-radius:50%;object-fit:cover;border:4px solid var(--orange)}
.founder .role{background:var(--orange);color:#fff;font-weight:600;font-size:.9rem;padding:4px 14px;border-radius:999px}
.founder p{color:var(--on-navy-muted);font-size:.95rem}

/* Mission / vision */
.mv{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:820px){.mv{grid-template-columns:1fr}}
.mv-card{border-radius:16px;padding:34px;display:grid;gap:14px;align-content:start}
.mv-card.m{background:var(--navy);color:var(--on-navy)}
.mv-card.v{background:var(--orange);color:#fff}
.mv-card .han{font-size:2.6rem;line-height:1;opacity:.9}
.mv-card p{font-size:1.1rem}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:900px){.values{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.values{grid-template-columns:1fr}}
.value{display:grid;gap:6px;border-left:3px solid var(--orange);padding-left:16px}
.value p{color:var(--muted);font-size:.95rem}

/* Blog */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:760px){.posts{grid-template-columns:1fr}}
.post{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;text-decoration:none;min-width:0}
.post:hover{border-color:var(--orange)}
.post .cover{background:var(--navy);color:#fff;aspect-ratio:16/7;max-width:100%;display:grid;place-items:center;position:relative}
.post .cover .han{font-size:3rem;color:var(--orange)}
.post .cover .cat{position:absolute;left:16px;top:14px;font-size:.8rem;font-weight:600;background:rgba(255,255,255,.12);padding:3px 10px;border-radius:999px}
.post .txt{padding:22px 24px 26px;display:grid;gap:8px;align-content:start}
.post .meta{font-size:.85rem;color:var(--muted)}
.post p{color:var(--muted)}
.post .more{color:var(--orange);font-weight:600}
.article{max-width:740px;margin:0 auto}
.article h2{font-size:1.5rem;margin-top:38px;margin-bottom:10px}
.article p,.article li{color:#2B3240}
.article p+p{margin-top:14px}
.article ul,.article ol{padding-left:1.2em;display:grid;gap:6px;margin:12px 0 0}
.article .callout{margin-top:28px;background:var(--orange-soft);border-radius:12px;padding:20px 22px}
.article table{border-collapse:collapse;width:100%;min-width:480px;font-variant-numeric:tabular-nums}
.article th,.article td{border-bottom:1px solid var(--line);padding:10px;text-align:left}
.tbl{overflow-x:auto;margin-top:12px}

/* Registration */
.reg{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
@media (max-width:900px){.reg{grid-template-columns:1fr}}
.reg-steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:r}
.reg-steps>li{counter-increment:r;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;display:grid;grid-template-columns:44px 1fr;gap:16px;min-width:0}
.reg-steps>li::before{content:counter(r, bengali);width:44px;height:44px;border-radius:50%;background:var(--orange);color:#fff;font-weight:700;font-size:1.2rem;display:grid;place-items:center}
.reg-steps h3{margin-bottom:6px}
.reg-steps p{color:var(--muted)}
.pay{display:grid;gap:12px;margin-top:14px}
.pay-row{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.pay-row .k{font-size:.85rem;color:var(--muted)}
.pay-row .v{font-weight:700;font-size:1.15rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.pay-row .d{grid-column:1;font-size:.9rem;color:var(--muted)}
.copy{grid-row:1/span 3;grid-column:2;background:var(--navy);color:#fff;border:0;border-radius:8px;padding:8px 12px;font:600 .85rem var(--f-body);cursor:pointer}
.copy.done{background:var(--wa)}
.form-frame{width:100%;height:900px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.side{position:sticky;top:96px;display:grid;gap:16px}
.fee-box{background:var(--navy);color:var(--on-navy);border-radius:16px;padding:28px;display:grid;gap:10px}
.fee-box b{font-size:2.6rem;color:var(--orange);line-height:1.1}
.fee-box p{color:var(--on-navy-muted)}

/* FAQ */
.faq{display:grid;gap:10px;max-width:820px}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--orange);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"−"}
details p{margin-top:10px;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--orange);color:#fff;border-radius:20px;padding:44px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.cta-band p{opacity:.92;margin-top:8px}
.cta-band .btn-line{background:#fff;color:var(--ink);border-color:#fff}
@media (max-width:760px){.cta-band{grid-template-columns:1fr;padding:30px}}

/* Footer */
.site-foot{background:var(--navy);color:var(--on-navy-muted);padding-block:56px 28px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-foot h4{color:#fff;font-size:1rem;margin-bottom:12px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-foot a{text-decoration:none}
.site-foot a:hover{color:#fff}
.site-foot .logo img{height:42px;margin-bottom:14px}
.foot-bottom{border-top:1px solid var(--navy-line);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.88rem}
.break{overflow-wrap:anywhere}

/* Floating WhatsApp */
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:50;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.wa-float svg{width:30px;height:30px;fill:#fff}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (max-width:520px){
  .reg-steps>li{grid-template-columns:1fr;padding:20px}
  .pay-row{padding:12px}
}

.foot-social{display:flex;gap:10px;margin-top:14px}
.foot-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;transition:background .2s}
.foot-social a:hover{background:var(--accent,#f05a28)}
.foot-social svg{width:18px;height:18px}