/* ==========================================================
   Public website styles
   Colours come from Admin > Site Settings (--primary / --accent)
   ========================================================== */
:root{
  --primary:#0b5ed7;--accent:#ff7a1a;--dark:#0a2540;
  --text:#334155;--muted:#64748b;--bg:#f4f7fb;--line:#e2e8f0;
  --radius:16px;--shadow:0 10px 30px rgba(10,37,64,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Hind Siliguri','Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--dark);line-height:1.25;margin:0 0 .5em}
p{margin:0 0 1em}
.container{width:min(1200px,92%);margin:0 auto}
.narrow{width:min(860px,92%)}
.center{text-align:center}
.muted{color:var(--muted)}
.ic{width:1.05em;height:1.05em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.15em;flex:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:16px;border:0;cursor:pointer;transition:.2s;font-family:inherit;line-height:1.2}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(10,37,64,.18);color:#fff}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-ghost{background:#fff;color:var(--dark)}
.btn-ghost:hover{color:var(--dark)}
.btn-sm{padding:9px 20px;font-size:15px}
.btn-block{display:flex;width:100%}
.kicker{display:inline-block;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:13px;margin-bottom:6px}

/* ---------- top bar & header ---------- */
.topbar{background:var(--dark);color:#cbd5e1;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:8px 20px;flex-wrap:wrap;padding:8px 0}
.topbar ul{list-style:none;margin:0;padding:0;display:flex;gap:6px 22px;flex-wrap:wrap}
.topbar a{color:#e2e8f0}
.topbar a:hover{color:var(--accent)}
.topbar .social a{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.1)}

.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 2px 14px rgba(10,37,64,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:24px;color:var(--dark)}
.logo:hover{color:var(--dark)}
.logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-size:22px}
.logo img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:14px}
.nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.nav>ul>li>a{display:flex;align-items:center;gap:4px;padding:10px 13px;color:var(--dark);font-weight:500;border-radius:10px}
.nav>ul>li>a:hover,.nav>ul>li.active>a{color:var(--primary);background:#eef4ff}
.has-sub{position:relative}
.sub{list-style:none;margin:0;padding:8px;position:absolute;left:0;top:100%;min-width:240px;background:#fff;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line);display:none;max-height:70vh;overflow:auto}
.has-sub:hover>.sub,.has-sub.open>.sub{display:block}
.sub a{display:block;padding:8px 12px;color:var(--text);border-radius:8px}
.sub a:hover{background:#eef4ff;color:var(--primary)}
.nav-toggle{display:none;border:0;background:#eef4ff;color:var(--primary);width:44px;height:44px;border-radius:12px;font-size:24px;cursor:pointer}

/* ---------- notice ticker ---------- */
.ticker{background:#fff7ed;border-bottom:1px solid #fde4c8}
.ticker .container{display:flex;align-items:stretch;gap:14px}
.ticker-label{background:var(--accent);color:#fff;font-weight:700;padding:10px 18px;display:flex;align-items:center;gap:8px;flex:none}
.ticker-track{overflow:hidden;flex:1;white-space:nowrap;display:flex;align-items:center}
.ticker-move{display:inline-block;padding-left:100%;animation:tick 40s linear infinite}
.ticker-track:hover .ticker-move{animation-play-state:paused}
.ticker-move a{margin-right:56px;color:var(--dark);font-weight:500}
.ticker-move a:before{content:"●";color:var(--accent);margin-right:10px;font-size:11px}
@keyframes tick{to{transform:translateX(-100%)}}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(120deg,var(--dark),var(--primary));color:#fff;overflow:hidden}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06);pointer-events:none}
.hero:before{width:520px;height:520px;right:-120px;top:-160px}
.hero:after{width:320px;height:320px;left:-100px;bottom:-140px}
.slide{display:none;background-size:cover;background-position:center}
.slide.is-active{display:block;animation:fadein .7s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.slide-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:440px;padding:56px 0 64px;position:relative;z-index:1}
.slide-text{max-width:640px}
.slide-text h1{color:#fff;font-size:clamp(30px,5vw,56px);margin-bottom:14px}
.slide-text p{font-size:clamp(16px,2vw,20px);color:#dbe7f7;margin-bottom:26px}
.slide-price{flex:none;width:230px;height:230px;border-radius:50%;background:var(--accent);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 0 0 14px rgba(255,255,255,.14)}
.slide-price small{font-size:16px;opacity:.9}
.slide-price strong{font-size:46px;line-height:1.1}
.slide-price span{font-size:16px;opacity:.95}
.hero-dots{position:absolute;bottom:18px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:2}
.hero-dots button{width:11px;height:11px;border-radius:999px;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:.25s}
.hero-dots button.on{background:#fff;width:30px}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 40px}
.sec-head h2,.feat-text h2,.coverage h2{font-size:clamp(26px,3.4vw,38px)}
.sec-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sec-title h2{margin:0;font-size:26px}
.sec-title .ico{width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:22px}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.badge{display:inline-block;background:#e8f0ff;color:var(--primary);font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px}
.badge-hot{background:#ffe8e0;color:#d9480f}
.more,.more-link{display:inline-flex;align-items:center;gap:6px;font-weight:600}
.more-link{margin-top:16px}

/* ---------- notice board & news ---------- */
.board{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;align-items:start}
.notice-list{display:flex;flex-direction:column;gap:12px}
details.notice{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:12px;box-shadow:0 4px 14px rgba(10,37,64,.05)}
details.notice.is-important{border-left-color:var(--accent);background:#fffaf5}
details.notice summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:14px 16px}
details.notice summary::-webkit-details-marker{display:none}
.n-date{flex:none;width:52px;text-align:center;background:var(--bg);border-radius:10px;padding:6px 0;font-size:12px;text-transform:uppercase;color:var(--muted);line-height:1.2}
.n-date b{display:block;font-size:20px;color:var(--dark)}
.n-title{font-weight:600;color:var(--dark);flex:1}
.n-body{padding:0 18px 16px 82px}
.n-body p{margin-bottom:8px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tab{border:1px solid var(--line);background:#fff;padding:7px 18px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:15px;color:var(--text)}
.tab:hover{border-color:var(--primary);color:var(--primary)}
.tab.on{background:var(--primary);border-color:var(--primary);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{overflow:hidden;display:flex;flex-direction:column}
.news-card[hidden]{display:none}
.news-thumb{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,#dbe7ff,#eef4ff);overflow:hidden;position:relative}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.thumb-ph{display:none;position:absolute;inset:0;align-items:center;justify-content:center;font-size:44px;color:var(--primary);opacity:.45}
.news-thumb.noimg .thumb-ph{display:flex}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;margin:6px 0 8px}
.news-body h3 a{color:var(--dark)}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{font-size:15px;color:var(--muted);margin-bottom:12px}
.news-body .more{margin-top:auto}
.meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.pager a{min-width:40px;height:40px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);color:var(--dark)}
.pager a.on{background:var(--primary);border-color:var(--primary);color:#fff}
.tabs-links .tab{display:inline-block}

/* ---------- features ---------- */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 28px}
.stats div{background:var(--bg);border-radius:14px;padding:16px;text-align:center}
.stats strong{display:block;font-size:30px;color:var(--primary);line-height:1.1}
.stats span{font-size:14px;color:var(--muted)}
.feat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mini{padding:22px}
.mini .ic{font-size:30px;color:var(--primary);margin-bottom:8px}
.mini h4{margin-bottom:4px}
.mini p{margin:0;font-size:15px;color:var(--muted)}

/* ---------- services ---------- */
.service{padding:26px;text-align:left;transition:.25s}
.service:hover{transform:translateY(-6px)}
.svc-ico{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-size:26px;margin-bottom:14px;flex:none}
.service p{color:var(--muted);font-size:15px}

/* ---------- offer ---------- */
.offer{background:linear-gradient(120deg,var(--primary),var(--dark));color:#fff;border-radius:26px;padding:44px;display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.offer:after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.07)}
.offer h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.offer p{color:#dbe7f7}
.offer-speed{background:var(--accent);border-radius:50%;width:230px;height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 0 0 12px rgba(255,255,255,.14);margin:0 auto}
.offer-speed strong{font-size:64px;line-height:1}
.offer-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:relative;z-index:1}
.offer-price{font-size:28px;font-weight:700}

/* ---------- packages ---------- */
.pkg{padding:28px 24px;position:relative;display:flex;flex-direction:column;transition:.25s}
.pkg:hover{transform:translateY(-6px)}
.pkg.featured{border:2px solid var(--accent)}
.pkg-badge{position:absolute;top:-13px;right:18px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:3px 14px;border-radius:999px}
.pkg h3{font-size:20px;margin-bottom:2px}
.pkg-speed{color:var(--primary);font-weight:600;margin-bottom:10px}
.pkg-price{margin-bottom:14px}
.pkg-price strong{font-size:36px;color:var(--dark)}
.pkg-price span{color:var(--muted)}
.pkg-list{list-style:none;padding:0;margin:0 0 22px;flex:1}
.pkg-list li{padding:5px 0;font-size:15px;display:flex;gap:8px;align-items:flex-start}
.pkg-list .ic{color:#16a34a;margin-top:5px}

/* ---------- quick links ---------- */
.quick{padding:24px}
.quick h3{display:flex;gap:10px;align-items:center;font-size:20px}
.quick ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.quick li a{display:flex;gap:8px;align-items:center;padding:8px 10px;border-radius:10px;color:var(--text)}
.quick li a:hover{background:#eef4ff;color:var(--primary)}

/* ---------- CTA, FAQ, coverage ---------- */
.cta{background:linear-gradient(120deg,var(--dark),var(--primary));color:#fff;padding:52px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:6px}
.cta p{color:#dbe7f7;margin:0;max-width:640px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;box-shadow:0 4px 14px rgba(10,37,64,.04)}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--dark);list-style:none;position:relative;padding-right:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--accent)}
.faq details[open] summary:after{content:"−"}
.faq p{padding:0 20px 16px;margin:0;color:var(--muted)}
.coverage{display:flex;gap:30px;align-items:center}
.cov-ico{flex:none;width:120px;height:120px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:56px}

/* ---------- inner pages ---------- */
.page-banner{background:linear-gradient(120deg,var(--dark),var(--primary));color:#fff;padding:46px 0;text-align:center}
.page-banner h1{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:6px}
.crumb{margin:0;color:#cbd5e1}
.crumb a{color:#fff}
.crumb span{opacity:.6;margin:0 4px}
.rich{line-height:1.8}
.rich h2,.rich h3{margin-top:1.2em}
.rich ul,.rich ol{padding-left:1.3em}
.rich img{border-radius:12px;height:auto}
.page-card{padding:34px}
.article-wrap{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:28px;align-items:start}
.article{padding:26px}
.article h1{font-size:clamp(24px,3vw,34px);margin:10px 0 16px}
.article-img{border-radius:14px;margin-bottom:16px;width:100%}
.article-wrap aside .news-card{margin-bottom:18px}
.pay{display:flex;gap:16px;padding:22px;align-items:flex-start}
.pay h3{font-size:20px;margin-bottom:4px}
.pay-num{font-size:24px;font-weight:700;color:var(--primary);letter-spacing:.03em}
.pay-grid{margin-top:26px}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.ci{display:flex;gap:16px;align-items:center;padding:16px 20px;margin-bottom:14px}
.ci>.ic{font-size:26px;color:var(--primary)}
.ci b{display:block;color:var(--dark)}
.contact-form{padding:30px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld{margin-bottom:16px}
.fld label{display:block;font-weight:600;margin-bottom:6px;color:var(--dark)}
.fld input,.fld textarea,.fld select{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;font:inherit;background:#fff;color:var(--text)}
.fld input:focus,.fld textarea:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:transparent}
.alert{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:500}
.alert-ok{background:#e7f8ee;color:#166534}
.alert-err{background:#fee9e7;color:#b42318}
.alert-warn{background:#fff4e0;color:#9a5b00}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#cbd5e1;padding-top:60px}
.site-footer h4{color:#fff;font-size:18px;margin-bottom:16px}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:var(--accent)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.foot-links,.foot-contact{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-contact li{display:flex;gap:8px;align-items:flex-start}
.foot-contact .ic{margin-top:5px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:14px;text-align:center}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .nav-toggle{display:grid;place-items:center}
  .nav{display:none;position:absolute;left:-4%;right:-4%;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:14px 4%;box-shadow:0 14px 24px rgba(10,37,64,.15);max-height:80vh;overflow:auto}
  .nav.open{display:flex}
  .nav>ul{flex-direction:column}
  .sub{position:static;box-shadow:none;border:0;padding:0 0 0 14px;max-height:none}
  .has-sub:hover>.sub{display:none}
  .has-sub.open>.sub{display:block}
  .board,.feat,.contact-grid,.article-wrap{grid-template-columns:1fr}
  .g3{grid-template-columns:repeat(2,1fr)}
  .slide-price{display:none}
  .offer{grid-template-columns:1fr;padding:32px 24px;text-align:center}
  .offer-row{justify-content:center}
  .coverage{flex-direction:column;text-align:center}
}
@media (max-width:640px){
  .g2,.g3,.g4,.news-grid,.feat-cards,.row2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .stats{grid-template-columns:1fr}
  .n-body{padding-left:18px}
  .topbar .social{display:none}
  .slide-inner{min-height:380px}
}