:root{--amc-navy:#0B3C6D;--amc-dark:#071B35;--amc-gold:#F4C542;--amc-ink:#1d2939;--amc-muted:#5b6b82;--amc-bg:#F4F7FB;--amc-line:#e4e9f0;
--amc-font:'Poppins','Hind Siliguri',system-ui,sans-serif;
--global-body-font-family:var(--amc-font);--global-heading-font-family:var(--amc-font);--global-primary-nav-font-family:var(--amc-font)}
body{font-family:var(--amc-font);overflow-x:clip}
body,button,input,select,textarea{font-family:var(--amc-font)}
h1,h2,h3,h4,h5,h6,.entry-title{font-family:var(--amc-font);font-weight:700;line-height:1.35}
.entry-content{line-height:1.8}
#masthead,#colophon{display:none!important}
.amc-wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* Header */
.amc-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--amc-line);transition:box-shadow .2s}
.admin-bar .amc-header{top:32px}
@media(max-width:782px){.admin-bar .amc-header{top:46px}}
@media(max-width:600px){.admin-bar .amc-header{top:0}}
.amc-header.is-scrolled{box-shadow:0 6px 20px rgba(7,27,53,.08)}
.amc-header__in{display:flex;align-items:center;gap:20px;min-height:72px}
.amc-logo{display:flex;align-items:center;gap:11px;flex-shrink:0;text-decoration:none!important}
.amc-logo__icon{display:block;flex:none;border-radius:11px}
.amc-logo__text{display:flex;flex-direction:column;line-height:1}
.amc-logo__name{font-family:'Poppins',sans-serif;font-weight:700;font-size:21px;letter-spacing:-.2px;color:var(--amc-navy)}
.amc-logo__sub{display:flex;align-items:center;gap:7px;margin-top:5px;font-family:'Poppins',sans-serif;font-weight:600;font-size:10px;letter-spacing:4.6px;color:#D99A00}
.amc-logo__sub::after{content:"";flex:1;height:2px;border-radius:2px;background:var(--amc-gold)}
.amc-nav{flex:1;display:flex;justify-content:center;min-width:0}
.amc-nav-close{display:none}
.amc-menu,.amc-menu ul{list-style:none;margin:0;padding:0}
.amc-menu{display:flex;gap:2px;align-items:center}
.amc-menu li{position:relative;margin:0}
.amc-menu a{display:block;padding:10px 12px;color:var(--amc-ink);font-weight:600;font-size:15.5px;text-decoration:none;border-radius:8px;white-space:nowrap;transition:background .15s,color .15s}
.amc-menu a:hover,.amc-menu .current-menu-item>a,.amc-menu .current-menu-ancestor>a{color:var(--amc-navy);background:var(--amc-bg)}
.amc-menu .menu-item-has-children>a::after{content:"";display:inline-block;width:6px;height:6px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg);margin:0 0 3px 8px}
.amc-menu .sub-menu{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid var(--amc-line);border-radius:12px;box-shadow:0 14px 34px rgba(7,27,53,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:5}
.amc-menu li:hover>.sub-menu,.amc-menu li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.amc-menu .sub-menu a{font-weight:500;font-size:15px}
.amc-sub-toggle{display:none}
.amc-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.amc-icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--amc-line);background:#fff;color:var(--amc-navy);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;box-shadow:none}
.amc-icon-btn:hover{background:var(--amc-bg);color:var(--amc-navy)}
.amc-btn{display:inline-flex;align-items:center;padding:10px 20px;border-radius:999px;background:var(--amc-navy);color:#fff!important;font-weight:600;font-size:15px;text-decoration:none;white-space:nowrap;transition:background .15s}
.amc-btn:hover{background:var(--amc-dark)}
.amc-burger{display:none;flex-direction:column;gap:4px}
.amc-burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.amc-search{border-top:1px solid var(--amc-line);background:#fff;padding:14px 0}
.amc-search form{display:flex;gap:8px;max-width:640px;margin:0 auto}
.amc-search input{flex:1;min-width:0;padding:12px 18px;border:1px solid var(--amc-line);border-radius:999px;font-size:16px}
.amc-search button{padding:0 22px;border:0;border-radius:999px;background:var(--amc-gold);color:var(--amc-dark);font-weight:700;cursor:pointer}
.amc-overlay{position:fixed;inset:0;background:rgba(7,27,53,.5);opacity:0;visibility:hidden;transition:.2s;z-index:1}
@media(max-width:1100px){
.amc-burger{display:inline-flex}
.amc-actions .amc-btn{display:none}
.amc-menu-open{overflow:hidden}
.amc-menu-open .amc-header{z-index:100002}
.amc-menu-open .amc-overlay{opacity:1;visibility:visible}
.amc-nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:2;transform:translateX(100%);transition:transform .25s;overflow-y:auto;padding:64px 14px 24px;display:block}
.amc-menu-open .amc-nav{transform:none;box-shadow:-10px 0 30px rgba(0,0,0,.15)}
.amc-nav-close{display:block;position:absolute;top:12px;right:12px;width:40px;height:40px;border:0;border-radius:50%;background:var(--amc-bg);color:var(--amc-navy);font-size:18px;cursor:pointer}
.amc-menu{flex-direction:column;align-items:stretch}
.amc-menu a{padding:12px 14px;font-size:16px}
.amc-menu .menu-item-has-children>a::after{display:none}
.amc-menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;display:none;min-width:0}
.amc-menu li.is-open>.sub-menu{display:block}
.amc-sub-toggle{display:block;position:absolute;right:2px;top:2px;width:42px;height:42px;border:0;background:transparent;cursor:pointer;box-shadow:none}
.amc-sub-toggle::before{content:"";display:block;width:8px;height:8px;margin:auto;border:solid var(--amc-navy);border-width:0 2px 2px 0;transform:rotate(45deg);transition:transform .2s}
.is-open>.amc-sub-toggle::before{transform:rotate(-135deg)}
}
@media(max-width:480px){.amc-logo__icon{width:38px;height:38px}.amc-logo__name{font-size:18.5px}.amc-logo__sub{font-size:9px;letter-spacing:4px}.amc-header__in{min-height:64px;gap:10px}}

/* Footer */
.amc-footer{position:relative;overflow:hidden;background:#071B35;color:#b9c4d4;font-size:15.5px;line-height:1.7}
.amc-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--amc-navy),var(--amc-gold),var(--amc-navy));z-index:1}
.amc-footer__glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 10% 0%,rgba(11,60,109,.95),transparent 55%),radial-gradient(circle at 95% 100%,rgba(244,197,66,.10),transparent 45%)}
.amc-footer__glow span{position:absolute;font:700 170px/1 'Times New Roman',serif;color:rgba(255,255,255,.035)}
.amc-footer__glow span:nth-child(1){left:3%;top:34%}
.amc-footer__glow span:nth-child(2){left:40%;top:-24px}
.amc-footer__glow span:nth-child(3){right:26%;bottom:30px}
.amc-footer__glow span:nth-child(4){right:3%;top:12%}
.amc-footer .amc-wrap{position:relative}
.amc-footer a{color:#e7ebf0;text-decoration:none;transition:color .15s}
.amc-footer a:hover{color:var(--amc-gold)}
.amc-footer__top{display:flex;align-items:center;gap:32px;padding:52px 0 36px;border-bottom:1px solid rgba(255,255,255,.1)}
.amc-flogo{display:flex;align-items:center;gap:12px;flex:none}
.amc-flogo svg{display:block;border-radius:12px}
.amc-flogo b{display:block;font:700 23px/1 Poppins,sans-serif;color:#fff}
.amc-flogo em{display:flex;align-items:center;gap:7px;margin-top:6px;font:600 10.5px/1 Poppins,sans-serif;letter-spacing:5px;color:var(--amc-gold);font-style:normal}
.amc-flogo em::after{content:"";flex:1;height:2px;background:var(--amc-gold);border-radius:2px}
.amc-footer__tag{margin:0;flex:1;color:#c3ccd8;font-size:16px;max-width:520px}
.amc-footer a.amc-fbtn{flex:none;margin-left:auto;display:inline-flex;padding:12px 24px;border-radius:999px;background:var(--amc-gold);color:var(--amc-dark);font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s}
.amc-footer a.amc-fbtn:hover{color:var(--amc-dark);box-shadow:0 10px 24px rgba(244,197,66,.3);transform:translateY(-2px)}
.amc-footer__grid{display:grid;grid-template-columns:1.5fr 1.15fr 1fr 1fr;gap:44px;padding:44px 0 52px}
.amc-footer h2{color:#fff;font-size:17px;line-height:1.4;font-weight:700;margin:0 0 20px;padding-bottom:10px;position:relative}
.amc-footer h2::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:3px;border-radius:3px;background:var(--amc-gold)}
.amc-footer ul{list-style:none;margin:0;padding:0}
.amc-footer li{margin:0 0 11px}
.amc-fcol li a{display:inline-flex;align-items:baseline;gap:9px}
.amc-fcol li a::before{content:"";width:6px;height:6px;border-radius:50%;border:1.5px solid var(--amc-gold);flex:none;transform:translateY(-2px);transition:background .15s}
.amc-fcol li a:hover::before{background:var(--amc-gold)}
.amc-person{display:flex;align-items:center;gap:14px;padding:14px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);margin-bottom:16px}
.amc-person img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid var(--amc-gold);flex:none}
.amc-person b{display:block;color:#fff;font-size:16px;line-height:1.4}
.amc-person span{font-size:14px;color:#b9c4d4}
.amc-fcol--about p{margin:0 0 16px;font-size:15px}
.amc-mail{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);font-size:14.5px;word-break:break-all}
.amc-mail svg{flex:none;color:var(--amc-gold)}
.amc-footer__bar{position:relative;background:rgba(0,0,0,.25)}
.amc-footer__bar-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px;font-size:14px;color:#8ba0bd}
@media(max-width:1000px){.amc-footer__grid{grid-template-columns:1fr 1fr}.amc-footer__top{flex-wrap:wrap;gap:18px}.amc-footer__tag{flex-basis:100%;order:3;max-width:none}}
@media(max-width:600px){.amc-footer__grid{grid-template-columns:1fr;gap:34px;padding:36px 0 40px}.amc-footer__top{padding:42px 0 28px}.amc-footer__bar-in{justify-content:center;text-align:center}.amc-footer__glow span{font-size:110px}.amc-footer__top{flex-direction:column;align-items:flex-start}.amc-footer a.amc-fbtn{margin-left:0;order:4}.amc-fcol:nth-child(n+3) ul{columns:2;column-gap:20px}.amc-fcol li{break-inside:avoid}}

/* Quote box (amc-quote) */
.amc-quote{margin:2em 0 1em;padding:1.6em 1.8em 1.4em;background:linear-gradient(135deg,var(--amc-navy),var(--amc-dark));border-radius:12px;position:relative;color:#fff;box-shadow:0 8px 24px rgba(7,27,53,.15)}
.amc-quote::before{content:"\201C";position:absolute;top:-.12em;right:.25em;font:700 6.5rem/1 Georgia,serif;color:var(--amc-gold);opacity:.3;pointer-events:none}
.amc-quote blockquote{margin:0;padding:0;border:0;background:none;font-style:normal}
.amc-quote blockquote p{margin:0}
.amc-quote .amc-quote-en{font:italic 400 1rem/1.6 Poppins,sans-serif;color:#c9d6ea;margin-bottom:.55em}
.amc-quote .amc-quote-bn{font:600 1.3rem/1.75 "Hind Siliguri",sans-serif;color:#fff}
.amc-quote figcaption{margin-top:.9em;font:600 .95rem/1.4 "Hind Siliguri",sans-serif;color:var(--amc-gold)}
.amc-quote figcaption small{display:block;font-weight:400;color:#9fb2cc;font-size:.8rem;margin-top:.2em}
.amc-quote-note{background:#FBF7EA;border:1px solid #EFE4C0;border-radius:8px;padding:.8em 1em;font-size:.97rem;color:var(--amc-ink)}
@media(max-width:600px){.amc-quote{padding:1.25em 1.2em 1.1em}.amc-quote .amc-quote-bn{font-size:1.12rem}.amc-quote::before{font-size:5rem}}

/* ===== Design cleanup 2026-10-28 ===== */
/* Formula line in posts */
.amc-formula{display:block;max-width:420px;margin:1.2em auto;padding:.7em 1em;text-align:center;font:600 1.35rem/1.4 Poppins,sans-serif;color:var(--amc-navy);background:var(--amc-bg);border:1px solid var(--amc-line);border-radius:10px}
/* Legacy callout boxes inside page/post content: no thick side bars */
body .notice,body .notice-box,body .info-box,body .tip-box,body .warning-box,body .example-box,body .highlight,body .hero-box{border:1px solid var(--amc-line)!important;border-radius:10px!important;background:var(--amc-bg)!important}
body .entry-content h2,body .blog-content h2{border-left:0!important;padding-left:0!important}

/* About page */
.amc-about{max-width:920px;margin:24px auto 48px;color:var(--amc-ink);line-height:1.85}
.amc-about h1{font-size:2.4rem;line-height:1.3;color:var(--amc-dark);margin:.2em 0 .5em}
.amc-about h2{font-size:1.6rem;color:var(--amc-dark);margin:0 0 .6em}
.amc-about h3{font-size:1.15rem;color:var(--amc-dark);margin:0 0 .6em}
.amc-about section{margin:0 0 2.6em}
.amc-about__label{margin:0;font-size:.85rem;font-weight:600;letter-spacing:.04em;color:#9a7a12}
.amc-about__lead{font-size:1.1rem;color:var(--amc-muted);max-width:760px}
.amc-about__head{padding-bottom:2em;margin-bottom:2.4em;border-bottom:1px solid var(--amc-line)}
.amc-about__profile{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start;padding:28px;border:1px solid var(--amc-line);border-radius:12px;background:#fff}
.amc-about__profile img{width:220px;height:270px;object-fit:cover;border-radius:8px;display:block}
.amc-about__meta{margin:0 0 1em;padding:0;display:grid;gap:4px}
.amc-about__meta div{display:flex;gap:12px}
.amc-about__meta dt{min-width:84px;color:var(--amc-muted);font-weight:500}
.amc-about__meta dd{margin:0;font-weight:600}
.amc-about__cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.amc-about__cols>div{padding:24px 26px;border:1px solid var(--amc-line);border-radius:12px;background:#fff}
.amc-about__cols ul{margin:0;padding-left:1.1em}
.amc-about__cols li{margin-bottom:.35em}
.amc-about__principles{list-style:none;margin:0;padding:0;counter-reset:p;display:grid;gap:14px}
.amc-about__principles li{counter-increment:p;display:grid;grid-template-columns:44px 1fr;column-gap:14px;padding:16px 0;border-top:1px solid var(--amc-line)}
.amc-about__principles li::before{content:"০" counter(p,bengali);grid-row:span 2;font:600 1.1rem Poppins,"Hind Siliguri",sans-serif;color:#9a7a12}
.amc-about__principles span{color:var(--amc-muted)}
.amc-about__small{font-size:.95rem;color:var(--amc-muted)}
.amc-about__quote{margin:0 0 2.6em;padding:1.4em 0;border:0;border-top:1px solid var(--amc-line);border-bottom:1px solid var(--amc-line);font-size:1.35rem;line-height:1.7;font-weight:500;color:var(--amc-dark);text-align:center;background:none}
.amc-about__contact{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px;border-radius:12px;background:var(--amc-dark);color:#dfe7f2}
.amc-about__contact h2{color:#fff;margin:0 0 .2em}
.amc-about__contact p{margin:0}
.amc-about__btn{flex-shrink:0;padding:.7em 1.4em;border-radius:8px;background:var(--amc-gold);color:var(--amc-dark)!important;font-weight:600;text-decoration:none!important}
@media(max-width:700px){.amc-about h1{font-size:1.8rem}.amc-about__profile{grid-template-columns:1fr;padding:20px}.amc-about__profile img{width:160px;height:196px}.amc-about__cols{grid-template-columns:1fr}.amc-about__contact{flex-direction:column;align-items:flex-start}.amc-about__quote{font-size:1.15rem}}