/* IFRA Network: neon style matching my.ifra.network. Dark by default, light via the moon button. */
:root {
  --bg: #020d1c; --card: #041828; --card2: #062035;
  --ink: #e8f4ff; --muted: #7a9cbc; --line: rgba(0, 170, 255, .18);
  --cyan: #00aaff; --blue: #0077dd; --gold: #ffb300; --green: #25d366;
  --glow: 0 0 18px rgba(0, 170, 255, .5), 0 0 40px rgba(0, 170, 255, .2);
  --glow-gold: 0 0 18px rgba(255, 179, 0, .45), 0 0 40px rgba(255, 179, 0, .18);
  --grid: rgba(0, 170, 255, .045);
  --nav: rgba(2, 13, 28, .88);
  --radius: 10px;
  --display: "Orbitron", "Rajdhani", sans-serif;
  --label: "Rajdhani", "Hind Siliguri", sans-serif;
  --body: "Inter", "Hind Siliguri", system-ui, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f0f4f8; --card: #ffffff; --card2: #e8f0f8;
  --ink: #0a1628; --muted: #4a6080; --line: rgba(0, 119, 204, .2);
  --cyan: #0077cc; --blue: #0055aa; --gold: #b87800;
  --glow: 0 0 12px rgba(0, 119, 204, .25), 0 2px 8px rgba(0, 119, 204, .1);
  --glow-gold: 0 0 12px rgba(204, 136, 0, .25);
  --grid: rgba(0, 119, 204, .05);
  --nav: rgba(240, 244, 248, .9);
  color-scheme: light;
}
html[lang="bn"] { --body: "Hind Siliguri", "Inter", system-ui, sans-serif; --label: "Hind Siliguri", "Rajdhani", sans-serif; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 16px/1.65 var(--body); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 50px 50px; }
a { color: var(--cyan); }
.wrap { width: min(1160px, calc(100% - 32px)); margin: auto; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 8px; background: var(--card); padding: 8px; z-index: 2000; }
.muted { color: var(--muted); }
h1, h2, h3, h4 { line-height: 1.2; margin-top: 0; }
h1 { font-family: var(--display); font-weight: 900; font-size: clamp(1.9rem, 5vw, 3.6rem); letter-spacing: .5px; margin: 10px 0 18px; text-shadow: 0 0 40px rgba(0, 180, 255, .3); }
h2 { font-family: var(--display); font-weight: 900; font-size: clamp(1.4rem, 3.4vw, 2.3rem); letter-spacing: 1px; margin-bottom: 14px; }
h3 { font-family: var(--label); font-weight: 700; font-size: 1.35rem; letter-spacing: .3px; }
html[lang="bn"] h1, html[lang="bn"] h2 { font-family: "Hind Siliguri", sans-serif; font-weight: 700; letter-spacing: 0; }

/* top bar + nav */
.topbar { background: var(--card); border-bottom: 1px solid var(--line); color: var(--muted); font: 600 .85rem var(--label); }
.topbar .wrap { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; }
.topbar a { color: var(--cyan); text-decoration: none; }
header { position: sticky; top: 0; z-index: 1000; background: var(--nav); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 900 1rem var(--display); letter-spacing: 1px; }
.brand img { border-radius: 8px; box-shadow: var(--glow); }
.brand b { color: var(--cyan); }
.navlinks { display: flex; gap: 24px; }
.navlinks a { color: var(--muted); font: 600 1rem var(--label); text-decoration: none; letter-spacing: .5px; transition: color .2s; }
.navlinks a:hover { color: var(--cyan); }
.navright { display: flex; align-items: center; gap: 10px; }
.theme, .lang { display: grid; place-items: center; min-width: 42px; height: 38px; padding: 0 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 700 .9rem var(--label); text-decoration: none; cursor: pointer; }
.theme:hover, .lang:hover { border-color: var(--cyan); }

/* buttons */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 6px;
  font: 700 1rem var(--label); letter-spacing: 1px; text-transform: uppercase; text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: transform .15s, box-shadow .2s, background .2s; }
html[lang="bn"] .button { text-transform: none; letter-spacing: 0; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: scale(.97); }
.button.small { min-height: 38px; padding: 0 14px; font-size: .9rem; }
.button.primary { background: var(--cyan); color: #fff; box-shadow: var(--glow); }
.button.secondary { background: transparent; color: var(--cyan); border-color: var(--cyan); }
.button.secondary:hover { box-shadow: var(--glow); }
.button.whatsapp { background: var(--green); color: #fff; box-shadow: 0 0 18px rgba(37, 211, 102, .45); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0; }

/* sections */
section { padding: 72px 0; position: relative; }
section.alt { background: color-mix(in srgb, var(--card) 55%, transparent); border-block: 1px solid var(--line); }
section > .wrap > h2 { text-align: center; }
section > .wrap > h2 + p, section > .wrap > h2 + .muted { text-align: center; }

/* hero */
.hero { padding: 64px 0 56px; background: radial-gradient(ellipse at 50% 0%, rgba(0, 119, 221, .25), transparent 65%); }
.hero.home { text-align: center; padding-top: 80px; }
.hero.home .lead { margin-inline: auto; }
.hero.home .actions { justify-content: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px; padding: 6px 18px; border-radius: 30px;
  background: rgba(0, 170, 255, .1); border: 1px solid rgba(0, 170, 255, .3); color: var(--cyan);
  font: 700 .85rem var(--label); letter-spacing: 2px; text-transform: uppercase; }
.badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: var(--glow); animation: pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .badge i { animation: none; } .button, .plan { transition: none; } }
.eyebrow { color: var(--cyan); font: 700 .95rem var(--label); letter-spacing: 1px; margin: 0; }
.eyebrow a { color: inherit; text-decoration: none; }
.lead { font-size: 1.08rem; max-width: 760px; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; max-width: 760px; margin: 8px auto 30px; padding: 22px;
  background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid var(--line); border-radius: var(--radius); }
.stats b { display: block; font: 900 clamp(1.3rem, 3vw, 2rem) var(--display); color: var(--cyan); text-shadow: var(--glow); }
.stats span { color: var(--muted); font-size: .9rem; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr)); gap: 10px; margin: 0; text-align: left; }
.facts div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.facts dt { font: 700 .78rem var(--label); text-transform: uppercase; letter-spacing: 1.5px; color: var(--cyan); }
.facts dd { margin: 2px 0 0; font-weight: 600; }

/* packages */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 18px; margin-bottom: 34px; }
#packages h3 { color: var(--gold); text-transform: uppercase; letter-spacing: 2px; }
.plan { position: relative; display: flex; flex-direction: column; padding: 30px 26px; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden; transition: transform .3s, border-color .3s, box-shadow .3s; }
.plan::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.plan:hover { transform: translateY(-6px); border-color: var(--cyan); box-shadow: var(--glow); }
.plan h4 { margin: 0; font: 700 1.3rem var(--label); letter-spacing: 1px; text-transform: uppercase; }
.plan .speed { margin: 10px 0 0; color: var(--muted); font-family: var(--label); }
.plan .speed b { font: 900 2.6rem var(--display); color: var(--cyan); text-shadow: var(--glow); }
.plan .price { margin: 6px 0 8px; font: 900 1.5rem var(--display); color: var(--gold); }
.plan .price span { font: 500 .95rem var(--label); color: var(--muted); }
.plan .muted { flex: 1; }
.corporate { padding: 28px; margin-bottom: 34px; border: 1px solid var(--gold); border-radius: 8px; background: var(--card); box-shadow: var(--glow-gold); }
.corporate h3 { color: var(--gold); margin-bottom: 8px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; background: var(--card); }
caption { text-align: left; font: 700 1rem var(--label); padding: 12px 14px; color: var(--cyan); }
th, td { text-align: left; padding: 11px 14px; border-top: 1px solid var(--line); vertical-align: top; }
th { background: var(--card2); font: 700 .85rem var(--label); text-transform: uppercase; letter-spacing: 1px; }

/* why, areas, faq */
.why { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 16px; padding: 0; list-style: none; }
.why li { padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; border-left: 3px solid var(--cyan); }
.why strong { display: block; font: 700 1.15rem var(--label); color: var(--cyan); margin-bottom: 4px; }
.areas { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 0; list-style: none; }
.areas a { display: inline-block; padding: 9px 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink);
  text-decoration: none; font: 600 1rem var(--label); transition: border-color .2s, box-shadow .2s; }
.areas a:hover { border-color: var(--cyan); box-shadow: var(--glow); }
.areas a span { color: var(--muted); font-size: .85rem; }
details { max-width: 860px; margin: 0 auto 10px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; }
details[open] { border-color: var(--cyan); }
summary { font: 700 1.08rem var(--label); cursor: pointer; }
details p { margin: 10px 0 0; color: var(--muted); }

/* area checker + plan finder */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 18px; }
.tool { padding: 24px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
.tool h3 { margin-bottom: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row input { flex: 1 1 200px; min-height: 48px; padding: 0 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; }
.row input:focus-visible, .chip:has(input:focus-visible), .button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
legend { font: 600 1.05rem var(--label); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; padding: 8px 16px; border: 1px solid var(--line); border-radius: 30px; background: var(--bg); cursor: pointer; font: 600 1rem var(--label); }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:has(input:checked) { border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow); }
.result:empty { display: none; }
.result { margin-top: 14px; padding: 16px; border-radius: 6px; background: var(--bg); border: 1px solid var(--line); }
.result.ok { border-color: var(--green); }
.result.maybe { border-color: var(--gold); }
.result p { margin: 0 0 8px; }
.result .actions { margin: 10px 0 0; }
.rec { font: 600 1.2rem var(--label); } .rec strong { color: var(--cyan); }
.rec-price { font: 900 1.1rem var(--display); color: var(--gold); }

/* reviews */
.reviews { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 16px; }
.review { margin: 0; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
.review blockquote { margin: 0 0 10px; font-style: italic; } .review figcaption { color: var(--cyan); font: 600 .95rem var(--label); }

/* contact band + footer */
.cta { text-align: center; background: radial-gradient(ellipse at 50% 100%, rgba(0, 119, 221, .3), transparent 70%); border-top: 1px solid var(--line); }
.cta p { color: var(--muted); }
.cta .actions { justify-content: center; }
footer { padding: 40px 0 150px; background: var(--card); border-top: 1px solid var(--line); font-size: .92rem; color: var(--muted); }
footer strong { color: var(--ink); }

/* floating WhatsApp / call buttons */
.float { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 12px; z-index: 1001; }
.float a { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; color: #fff; transition: transform .15s; }
.float a:hover { transform: scale(1.08); }
.float-wa { background: var(--green); box-shadow: 0 0 20px rgba(37, 211, 102, .55); }
.float-call { background: var(--blue); box-shadow: var(--glow); }
@media (min-width: 900px) { .float-call { display: none !important; } }

@media (max-width: 860px) {
  .navlinks { display: none; }
  .brand span { display: none; }
  section { padding: 52px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* Bangla letters break apart with letter-spacing */
html[lang="bn"] .facts dt, html[lang="bn"] .badge, html[lang="bn"] #packages h3, html[lang="bn"] th,
html[lang="bn"] .navlinks a, html[lang="bn"] .plan h4 { letter-spacing: 0; }

/* ---- layout pieces copied from my.ifra.network ---- */
.hl { display: block; color: var(--cyan); }
.center { text-align: center; justify-content: center; }
.group-head { text-align: center; margin: 40px 0 18px; }
.group-head h3 { margin: 0 0 4px; }
.group-head p { margin: 0; }
.plan.featured { background: var(--card2); border-color: var(--cyan); }
.plan-badge { position: absolute; top: 16px; right: 16px; padding: 4px 12px; border-radius: 20px; background: var(--gold); color: #000;
  font: 700 .72rem var(--label); letter-spacing: 1px; text-transform: uppercase; box-shadow: var(--glow-gold); }
.plan-icon { font-size: 2.2rem; line-height: 1; margin-bottom: 12px; }
.feats { list-style: none; padding: 0; margin: 4px 0 22px; flex: 1; }
.feats li { display: flex; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.feats li::before { content: "✓"; color: var(--cyan); font-weight: 700; }
.corp-feats { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 14px 0 6px; }
.corp-feats li { padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); font: 600 .95rem var(--label); }
.why { text-align: center; }
.why li { border-left: 1px solid var(--line); padding: 30px 22px; transition: transform .3s, border-color .3s; }
.why li:hover { transform: translateY(-4px); border-color: var(--cyan); }
.why-icon { display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 16px; border-radius: 50%; font-size: 1.7rem;
  background: rgba(0, 170, 255, .08); border: 1px solid rgba(0, 170, 255, .25); }
.why li { color: var(--muted); font-size: .93rem; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 20px; list-style: none; padding: 0; margin: 30px 0 10px; text-align: center; }
.step-num { display: grid; place-items: center; width: 88px; height: 88px; margin: 0 auto 18px; border-radius: 50%; border: 2px solid var(--cyan);
  background: rgba(0, 170, 255, .06); color: var(--cyan); font: 900 1.8rem var(--display); box-shadow: var(--glow); }
.steps h3 { margin-bottom: 6px; }
.areas a::before { content: "📍 "; }
.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 18px; margin: 30px 0; }
.contact-card { padding: 26px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; transition: transform .3s, border-color .3s; }
.contact-card:hover { transform: translateY(-4px); border-color: var(--cyan); }
.contact-card > span { font-size: 2rem; }
.contact-card h3 { margin: 8px 0 2px; color: var(--cyan); }
.contact-card p { margin: 4px 0; }
.contact-card a { font-weight: 600; text-decoration: none; }
footer { padding: 50px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.3fr; gap: 36px; }
.footer-grid h3 { color: var(--cyan); text-transform: uppercase; letter-spacing: 1px; font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--muted); text-decoration: none; } .footer-grid a:hover { color: var(--cyan); }
.footer-grid .brand { margin-bottom: 12px; } .footer-grid .brand span { display: inline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 30px; padding: 20px 0 150px; border-top: 1px solid var(--line); font-size: .85rem; }
/* mobile menu */
.menu { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 38px; padding: 0 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); cursor: pointer; }
.menu span { display: block; height: 2px; background: var(--cyan); border-radius: 2px; }
@media (max-width: 860px) {
  .menu { display: flex; }
  .navright .button.small { display: none; }
  header.open .navlinks { display: flex; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0; padding: 8px 16px 16px;
    background: var(--nav); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
  header.open .navlinks a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}