:root {
  --bg: #07110e;
  --bg-alt: #0d1b17;
  --card: #12241e;
  --hover: #183027;
  --lime: #b8f34a;
  --cyan: #3dd6c6;
  --text: #f3f8f5;
  --muted: #afc2b8;
  --border: #29453a;
  --warning: #f0b44d;
  --error: #e16f73;
  --focus: #d3ff7c;
  --radius: 14px;
  --shadow: 0 14px 36px rgba(0,0,0,.24);
  --wide: 1200px;
  --reading: 800px;
}
* { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Noto Sans Bengali", "Nirmala UI", "Vrinda", system-ui, sans-serif; font-size: 17px; line-height: 1.7; overflow-wrap: anywhere; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; background: radial-gradient(circle at 85% 10%, rgba(61,214,198,.1), transparent 28rem), radial-gradient(circle at 5% 40%, rgba(184,243,74,.07), transparent 25rem); }
a { color: var(--cyan); text-underline-offset: .2em; text-decoration-thickness: .08em; }
a:hover { color: var(--lime); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: 4px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--text); line-height: 1.18; letter-spacing: -.015em; margin: 0 0 .75em; }
h1 { font-size: clamp(2.25rem, 5vw, 4.65rem); max-width: 18ch; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.65rem); margin-top: 0; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); color: var(--lime); margin-top: 1.75em; }
p, ul, ol, table { margin: 0 0 1.35em; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 10px 16px; background: var(--lime); color: var(--bg); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 50; height: 66px; background: rgba(7,17,14,.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
.header-inner { width: min(calc(100% - 32px), var(--wide)); height: 100%; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.site-logo { display: inline-flex; flex: 0 0 auto; align-items: center; color: var(--text); font-size: 1.55rem; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
.site-logo-image { width: 104px; height: auto; max-height: 30px; object-fit: contain; }
.primary-nav { margin-left: auto; }
.menu { display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
.menu a { display: inline-flex; min-height: 46px; align-items: center; padding: 0 14px; border-radius: 10px; color: var(--text); font-weight: 600; text-decoration: none; }
.menu a:hover { background: var(--hover); color: var(--lime); }
.primary-nav .menu > li:last-child a { min-height: 48px; background: var(--lime); color: var(--bg); }
.primary-nav .menu > li:last-child a:hover { background: var(--focus); transform: translateY(-1px); }
.menu-toggle { display: none; margin-left: auto; min-width: 48px; min-height: 48px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); }
.menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.menu-icon { position: relative; margin: 0 auto 5px; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -7px; } .menu-icon::after { top: 7px; }
.menu-label { font-size: .72rem; }
.wrap { width: min(calc(100% - 40px), var(--wide)); margin: 0 auto; }
.prose { width: min(calc(100% - 40px), var(--reading)); margin: 0 auto; }
.section { padding: 72px 0; }
.panel { background: var(--bg-alt); border-block: 1px solid rgba(41,69,58,.72); }
.hero { min-height: calc(100vh - 66px); display: grid; align-items: center; background: linear-gradient(145deg, rgba(13,27,23,.9), rgba(7,17,14,.6)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: clamp(36px, 7vw, 90px); align-items: center; }
.hero-copy p { max-width: 65ch; }
.hero-media { position: relative; min-height: 370px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 24px; background: radial-gradient(circle at 50% 40%, rgba(61,214,198,.18), transparent 60%), var(--card); box-shadow: var(--shadow); overflow: hidden; }
.hero-media:empty::after { content: ""; width: 72%; aspect-ratio: 1; border-radius: 34% 66% 60% 40%; background: linear-gradient(135deg, rgba(184,243,74,.2), rgba(61,214,198,.08)); border: 1px solid rgba(184,243,74,.28); transform: rotate(-10deg); }
.hero-image { width: 100%; height: 100%; min-height: 370px; object-fit: cover; }
.eyebrow { color: var(--lime); font-size: .84rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lede { color: var(--text); font-size: clamp(1.13rem, 2vw, 1.35rem); line-height: 1.65; }
.updated { color: var(--muted); font-size: .93rem; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 19px; border: 1px solid var(--lime); border-radius: 10px; background: var(--lime); color: var(--bg); font-weight: 800; text-decoration: none; transition: transform .18s ease, background .18s ease; }
.button:hover { background: var(--focus); color: var(--bg); transform: translateY(-2px); }
.button.secondary { background: transparent; border-color: var(--cyan); color: var(--cyan); }
.button.secondary:hover { background: var(--hover); color: var(--lime); }
.article-header { padding: clamp(70px, 10vw, 120px) 0 58px; background: linear-gradient(160deg, var(--bg-alt), var(--bg)); border-bottom: 1px solid var(--border); }
.article-header h1 { font-size: clamp(2.15rem, 5vw, 4rem); max-width: 20ch; }
.content-image { width: 100%; margin: 36px auto; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.table-wrap { width: 100%; margin: 30px 0; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 640px; margin: 0; background: var(--card); }
th, td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { color: var(--lime); font-size: .92rem; background: #0e201a; }
tr:last-child td { border-bottom: 0; }
.steps { counter-reset: step; list-style: none; padding: 0; display: grid; gap: 14px; }
.steps li { counter-increment: step; position: relative; padding: 18px 20px 18px 70px; min-height: 68px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.steps li::before { content: counter(step, bengali); position: absolute; left: 17px; top: 14px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--lime); color: var(--bg); font-weight: 900; }
.steps strong, .steps span { display: block; }
.steps span { color: var(--muted); margin-top: 3px; }
details { margin: 12px 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
summary { min-height: 54px; padding: 15px 48px 15px 18px; cursor: pointer; color: var(--text); font-weight: 800; }
details p { padding: 0 18px 18px; color: var(--muted); }
.note, .responsible-note { border-left: 4px solid var(--warning); background: rgba(240,180,77,.08); color: var(--muted); padding: 16px 18px; border-radius: 0 var(--radius) var(--radius) 0; }
.responsible-note { width: min(calc(100% - 40px), var(--reading)); margin: 0 auto 72px; }
.site-footer { padding: 56px 20px 24px; border-top: 1px solid var(--border); background: #050d0b; }
.footer-inner { width: min(100%, var(--wide)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr .9fr 1fr; gap: 44px; }
.footer-brand p, .footer-notes p { color: var(--muted); font-size: .94rem; }
.footer-nav .menu { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
.footer-nav .menu a { padding: 5px 8px; min-height: 44px; }
.copyright { width: min(100%, var(--wide)); margin: 34px auto 0; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }
.site-bottom-cta { position: fixed; left: 50%; bottom: max(14px, env(safe-area-inset-bottom)); z-index: 99990; width: min(calc(100% - 32px), 520px); transform: translateX(-50%); pointer-events: none; }
.site-bottom-cta__inner { display: grid; grid-template-columns: 1fr 1.08fr; gap: 12px; padding: 10px; border: 1px solid rgba(184,243,74,.2); border-radius: 18px; background: rgba(7,17,14,.94); box-shadow: 0 16px 42px rgba(0,0,0,.46); backdrop-filter: blur(14px); pointer-events: auto; }
.site-bottom-cta__button { display: inline-flex; min-width: 0; min-height: 52px; align-items: center; justify-content: center; padding: 11px 18px; border: 1px solid var(--border); border-radius: 12px; font-size: 1rem; font-weight: 800; line-height: 1.2; text-align: center; text-decoration: none; white-space: nowrap; transition: transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease; }
.site-bottom-cta__login { background: var(--card); color: var(--text); }
.site-bottom-cta__login:hover { border-color: var(--cyan); background: var(--hover); color: var(--cyan); transform: translateY(-2px); }
.site-bottom-cta__register { border-color: var(--lime); background: var(--lime); color: var(--bg); box-shadow: 0 8px 24px rgba(184,243,74,.18); }
.site-bottom-cta__register:hover { background: var(--focus); color: var(--bg); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(184,243,74,.3); }
.site-bottom-cta__button:active { transform: translateY(0); }
.admin-bar .site-bottom-cta { bottom: max(14px, env(safe-area-inset-bottom)); }
body { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
@media (max-width: 860px) {
  .site-header { height: 58px; }
  .site-logo-image { width: 92px; max-height: 25px; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { min-height: 300px; }
  .js .menu-toggle { display: block; }
  .js .primary-nav { display: none; position: absolute; left: 16px; right: 16px; top: 57px; margin: 0; padding: 12px; border: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); background: var(--bg-alt); box-shadow: var(--shadow); }
  .js .primary-nav.is-open { display: block; }
  .primary-nav .menu { display: grid; gap: 4px; }
  .primary-nav .menu a { width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  body { font-size: 16px; }
  .wrap, .prose { width: min(calc(100% - 32px), var(--reading)); }
  .section { padding: 44px 0; }
  .hero-grid { gap: 30px; }
  .hero-media { min-height: 235px; }
  .hero-image { min-height: 235px; }
  .button-row { display: grid; }
  .button-row .button, .hero-copy .button { width: 100%; }
  .footer-inner, .footer-nav .menu { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .site-bottom-cta { bottom: max(8px, env(safe-area-inset-bottom)); width: calc(100% - 24px); }
  .site-bottom-cta__inner { gap: 8px; padding: 8px; border-radius: 15px; }
  .site-bottom-cta__button { min-height: 50px; padding: 10px 12px; font-size: .96rem; }
  body { padding-bottom: calc(82px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}