/* IT World — About / Privacy / Terms / Refund pages (premium dark + glass) */
@font-face { font-family: "Plus Jakarta Sans"; font-weight: 400 800; font-display: swap; src: url(../fonts/plus-jakarta-sans-latin.woff2) format("woff2"); }
:root { --bg: #060a1a; --ink: #f4f7ff; --text: #c3cde3; --muted: #8d9bb8; --glass: rgba(255,255,255,.055); --bd: rgba(255,255,255,.13); --sky: #38bdf8; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; background: var(--bg); scroll-behavior: smooth; }
body { font-family: "Plus Jakarta Sans", "Tajawal", "Hind Siliguri", system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.8; font-size: 16.5px; -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
html[lang="ar"] body { font-family: "Tajawal", "Plus Jakarta Sans", system-ui, sans-serif; }
html[lang="bn"] body { font-family: "Hind Siliguri", "Plus Jakarta Sans", system-ui, sans-serif; }
.bg { position: fixed; inset: 0; z-index: -1; background: radial-gradient(900px 600px at 85% -10%, rgba(10,79,216,.3), transparent 60%), radial-gradient(700px 500px at -10% 40%, rgba(14,165,233,.14), transparent 60%), radial-gradient(700px 500px at 100% 100%, rgba(239,59,59,.1), transparent 60%); }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
a { color: inherit; text-decoration: none; }
/* show only the chosen language */
[data-l] { display: none; }
html[data-lang="en"] [data-l="en"], html[data-lang="ar"] [data-l="ar"], html[data-lang="bn"] [data-l="bn"] { display: block; }
html [data-l] span[data-l], html span[data-l] { }
span[data-l], a > span[data-l], h1 > span[data-l], h2 > span[data-l] { }
html[data-lang="en"] span[data-l="en"], html[data-lang="ar"] span[data-l="ar"], html[data-lang="bn"] span[data-l="bn"] { display: inline; }
/* header */
.bar { position: sticky; top: 0; z-index: 10; background: rgba(6,10,26,.7); backdrop-filter: blur(16px) saturate(140%); border-bottom: 1px solid var(--bd); }
.bar-in { max-width: 1100px; display: flex; align-items: center; gap: 18px; height: 68px; }
.logo { background: #fff; border-radius: 12px; padding: 4px 10px; display: inline-flex; box-shadow: 0 8px 26px -10px rgba(14,165,233,.6); flex-shrink: 0; }
.logo img { height: 44px; width: auto; display: block; }
.menu { display: flex; gap: 4px; margin-inline-start: auto; overflow-x: auto; scrollbar-width: none; }
.menu::-webkit-scrollbar { display: none; }
.menu a { padding: 8px 13px; border-radius: 10px; font-weight: 600; font-size: 14.5px; color: #c7d2fe; white-space: nowrap; transition: background .2s, color .2s; }
.menu a:hover { background: rgba(255,255,255,.08); color: #fff; }
.menu a.on { background: linear-gradient(135deg, #0a4fd8, #0ea5e9); color: #fff; box-shadow: 0 8px 22px -10px #0ea5e9; }
.lang { display: flex; background: var(--glass); border: 1px solid var(--bd); border-radius: 12px; padding: 3px; gap: 2px; flex-shrink: 0; }
.lang button { border: 0; background: none; color: #c7d2fe; padding: 6px 10px; border-radius: 9px; cursor: pointer; font: inherit; font-weight: 700; font-size: 13px; }
.lang button.on { background: #fff; color: #0b1026; }
/* content */
main { flex: 1; padding-block: 44px 70px; }
.back { display: inline-block; color: var(--sky); font-weight: 600; font-size: 14.5px; margin-bottom: 22px; }
.back:hover { text-decoration: underline; }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.2; font-weight: 800; letter-spacing: -.01em; background: linear-gradient(180deg, #fff 30%, #a9b9e6); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; animation: up .7s cubic-bezier(.2,.7,.2,1) both; }
.upd { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.intro { font-size: 18.5px; color: #dbe4f7; margin-bottom: 30px; padding: 18px 22px; background: var(--glass); border: 1px solid var(--bd); border-inline-start: 4px solid var(--sky); border-radius: 16px; backdrop-filter: blur(12px); }
.blk { background: var(--glass); border: 1px solid var(--bd); border-radius: 22px; padding: 26px 28px; margin-bottom: 18px; backdrop-filter: blur(12px); transition: border-color .3s, box-shadow .3s; animation: up .7s cubic-bezier(.2,.7,.2,1) both; }
.blk:nth-of-type(2) { animation-delay: .06s; } .blk:nth-of-type(3) { animation-delay: .12s; } .blk:nth-of-type(4) { animation-delay: .18s; }
.blk:hover { border-color: rgba(125,211,252,.5); box-shadow: 0 24px 60px -30px rgba(14,165,233,.6); }
h2 { display: flex; align-items: center; gap: 14px; font-size: 21px; color: var(--ink); margin-bottom: 12px; line-height: 1.35; }
h2 .n { flex-shrink: 0; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; font-size: 14px; font-weight: 800; color: #fff; background: linear-gradient(135deg, #0a4fd8, #0ea5e9); box-shadow: 0 0 22px -4px rgba(14,165,233,.8); }
.blk p { margin-bottom: 10px; }
.blk ul { list-style: none; display: grid; gap: 9px; }
.blk li { position: relative; padding-inline-start: 28px; }
.blk li::before { content: "✓"; position: absolute; inset-inline-start: 0; top: 4px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 7px; font-size: 11px; font-weight: 800; background: rgba(16,185,129,.2); color: #6ee7b7; }
.cta { text-align: center; margin-top: 30px; padding: 30px 20px; border-radius: 24px; background: linear-gradient(135deg, rgba(10,79,216,.35), rgba(14,165,233,.18)); border: 1px solid var(--bd); }
.cta h3 { font-size: 22px; color: #fff; margin-bottom: 16px; }
.cta-b { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.b { padding: 11px 20px; border-radius: 13px; font-weight: 700; font-size: 15px; background: var(--glass); border: 1px solid var(--bd); color: #fff; transition: transform .2s, border-color .2s, background .2s; direction: ltr; }
.b:hover { transform: translateY(-2px); border-color: var(--sky); background: rgba(255,255,255,.12); }
.b.wa { background: linear-gradient(135deg, #128c7e, #25d366); border-color: transparent; }
.foot { border-top: 1px solid var(--bd); padding: 22px 0; text-align: center; color: var(--muted); font-size: 14px; }
@keyframes up { from { opacity: 0; transform: translateY(22px); } }
@media (max-width: 720px) {
  .bar-in { gap: 10px; height: 62px; }
  .logo img { height: 38px; }
  .menu { display: none; }
  .blk { padding: 20px 18px; }
  h2 { font-size: 18.5px; }
  body { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }