:root {
	--bg: #071915;
	--surface: #0b211c;
	--surface-2: #102a24;
	--accent: #e8c45b;
	--accent-2: #3bc29a;
	--text: #f4f8f6;
	--muted: #afc2ba;
	--border: #29483e;
	--info: #15372f;
	--warning: #e0a54b;
	--focus: #79e0be;
	--content: 1180px;
	--article: 760px;
	--radius: 8px;
	--radius-lg: 16px;
	--shadow: 0 18px 42px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
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: 1.78;
	-webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: var(--accent-2); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
p, li { text-wrap: pretty; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 9999; padding: 10px 16px; background: var(--text); color: var(--bg); border-radius: var(--radius); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 1000; min-height: 68px; background: rgba(7, 25, 21, .97); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
.site-header__inner { width: min(calc(100% - 40px), var(--content)); min-height: 68px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.wordmark { color: var(--text); font: 800 25px/1 system-ui, sans-serif; letter-spacing: -.04em; text-decoration: none; }
.wordmark span { color: var(--accent); }
.primary-navigation .menu, .footer-navigation .menu { margin: 0; padding: 0; list-style: none; }
.primary-navigation .menu { display: flex; align-items: center; gap: 8px; }
.primary-navigation a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 11px; color: var(--text); font-size: 15px; font-weight: 700; text-decoration: none; border-radius: var(--radius); }
.primary-navigation a:hover { background: var(--surface-2); color: var(--accent); }
.menu-toggle { display: none; min-width: 76px; min-height: 44px; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); font: inherit; font-weight: 700; cursor: pointer; }
.menu-toggle__icon { display: inline-block; width: 18px; height: 12px; margin-left: 8px; border-top: 2px solid; border-bottom: 2px solid; position: relative; }
.menu-toggle__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 4px; border-top: 2px solid; }

.page-shell { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }
.article-shell { width: min(calc(100% - 40px), var(--article)); padding: 76px 0 96px; }
.hero { padding: 86px 0 52px; border-bottom: 1px solid var(--border); }
.hero__inner { width: min(900px, 100%); }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 14px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.18; letter-spacing: -.025em; text-wrap: balance; }
h1 { max-width: 900px; margin-bottom: 26px; font-size: clamp(40px, 5.4vw, 68px); }
h2 { margin-bottom: 26px; font-size: clamp(29px, 3.4vw, 43px); }
h3 { margin-top: 34px; margin-bottom: 12px; color: var(--accent-2); font-size: clamp(21px, 2vw, 25px); }
.hero__summary, .lead { max-width: 760px; color: var(--muted); font-size: clamp(19px, 2vw, 23px); line-height: 1.62; }
.hero__summary { margin-bottom: 28px; }
.hero__answer { max-width: var(--article); margin: 28px 0 0; padding-left: 20px; border-left: 3px solid var(--accent); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 18px; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--accent); color: #0a1c17; font-weight: 800; text-decoration: none; }
.button:hover { background: #f4d775; color: #071915; }
.button--secondary { background: transparent; color: var(--text); border-color: var(--border); }
.button--secondary:hover { background: var(--surface-2); color: var(--accent); border-color: var(--accent); }

.section-illustration { width: min(100%, 960px); margin: 44px auto 0; }
.hero + .section-illustration { margin-top: 42px; }
.section-illustration__image { display: block; width: 100%; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); object-fit: cover; }
.section-illustration figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; text-align: center; }
.article-layout { display: grid; grid-template-columns: minmax(0, var(--article)) 240px; justify-content: space-between; gap: 80px; padding: 32px 0 96px; }
.article-content > section { padding: 76px 0 10px; border-bottom: 1px solid var(--border); scroll-margin-top: 82px; }
.article-content > section:last-child { border-bottom: 0; }
.article-content p { margin: 0 0 22px; }
.article-content ul, .article-content ol, .prose ul, .prose ol { padding-left: 24px; }
.article-content li, .prose li { margin-bottom: 10px; }
.section-number { display: inline-block; min-width: 38px; margin-bottom: 16px; color: var(--accent); font: 800 14px/1 system-ui, sans-serif; letter-spacing: .12em; }
.fact-list { margin: 26px 0; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.fact-list li { display: grid; grid-template-columns: 120px 1fr; gap: 18px; margin: 0; padding: 16px 0; border-bottom: 1px solid var(--border); }
.fact-list strong { color: var(--accent); }
.notice { margin: 30px 0; padding: 22px; background: var(--info); border-left: 4px solid var(--accent-2); border-radius: var(--radius); }
.notice--warning { border-left-color: var(--warning); }
.notice p:last-child { margin-bottom: 0; }
.contents { position: sticky; top: 98px; align-self: start; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.contents h2 { margin-bottom: 14px; color: var(--muted); font-size: 15px; letter-spacing: .04em; }
.contents ol { margin: 0; padding-left: 21px; }
.contents li { margin: 8px 0; color: var(--muted); }
.contents a { color: var(--text); font-size: 14px; }
.link-panel { margin: 38px 0; padding: 24px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.link-panel h3 { margin-top: 0; }
.link-panel__links { display: flex; flex-wrap: wrap; gap: 10px; }
.link-panel__links a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 12px; color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; }
.link-panel__links a:hover { color: var(--accent); border-color: var(--accent); }

.faq-list details { border-top: 1px solid var(--border); }
.faq-list details:last-child { border-bottom: 1px solid var(--border); }
.faq-list summary { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 2px; color: var(--text); font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--accent); font-size: 28px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 2px 16px; color: var(--muted); }
.page-heading { padding-bottom: 34px; border-bottom: 1px solid var(--border); }
.page-heading h1 { font-size: clamp(38px, 5vw, 60px); }
.prose { padding-top: 44px; }
.prose h2 { margin-top: 52px; }
.prose p { margin: 0 0 22px; }
.entry-summary { padding: 30px 0; border-bottom: 1px solid var(--border); }
.entry-summary h2 { font-size: 28px; }

.site-footer { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; padding-top: 62px; border-top: 1px solid var(--border); }
.site-footer__inner { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(220px, .7fr); gap: 70px; padding-bottom: 50px; }
.site-footer__about p { max-width: 620px; color: var(--muted); }
.wordmark--footer { display: inline-block; margin-bottom: 15px; }
.footer-contact a { color: var(--text); }
.footer-navigation h2 { color: var(--accent); font-size: 16px; }
.footer-navigation li { margin: 7px 0; }
.footer-navigation a { min-height: 44px; display: inline-flex; align-items: center; color: var(--text); }
.site-footer__legal { padding: 24px 0 30px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
.site-footer__legal p { margin: 0; }

@media (max-width: 1023px) {
	.article-layout { grid-template-columns: minmax(0, var(--article)); justify-content: center; }
	.contents { grid-row: 1; position: static; }
}
@media (max-width: 900px) {
	.menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
	.primary-navigation { display: none; position: fixed; inset: 68px 0 auto; max-height: calc(100vh - 68px); overflow-y: auto; padding: 18px 20px 30px; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
	.menu-open .primary-navigation { display: block; }
	.primary-navigation .menu { display: block; }
	.primary-navigation a { width: 100%; min-height: 50px; padding: 11px 12px; border-bottom: 1px solid var(--border); }
	.site-footer__inner { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 767px) {
	body { font-size: 16px; }
	.site-header__inner, .page-shell, .site-footer { width: min(calc(100% - 32px), var(--content)); }
	.hero { padding: 54px 0 38px; }
	h1 { font-size: clamp(34px, 10vw, 42px); }
	h2 { font-size: clamp(27px, 8vw, 34px); }
	.article-layout { gap: 20px; padding-top: 24px; }
	.article-content > section { padding-top: 48px; }
	.contents { padding: 18px; }
	.button-row .button { width: 100%; }
	.fact-list li { grid-template-columns: 1fr; gap: 3px; }
	.section-illustration { margin-top: 32px; }
	.section-illustration__image { aspect-ratio: 4 / 3; object-fit: cover; }
	.hero-image .section-illustration__image { aspect-ratio: 16 / 9; }
	.article-shell { padding-top: 52px; }
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}