@charset "UTF-8";

:root {
  --ink: #17211f;
  --muted: #65706d;
  --paper: #f6f4ef;
  --surface: #ffffff;
  --line: #dfe5e1;
  --brand: #087f5b;
  --brand-dark: #075b44;
  --brand-soft: #e5f5ee;
  --accent: #ffb21c;
  --accent-soft: #fff3d5;
  --danger: #a33b31;
  --danger-soft: #fff0ed;
  --info: #315c7c;
  --info-soft: #edf5fa;
  --shadow: 0 18px 50px rgba(23, 33, 31, .09);
  --radius: 22px;
  --radius-sm: 14px;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans Bengali", "Hind Siliguri", "Vrinda", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 7% 15%, rgba(255,178,28,.09), transparent 25rem),
    radial-gradient(circle at 95% 22%, rgba(8,127,91,.08), transparent 28rem);
}
button, input, textarea, select { font: inherit; }
a { color: var(--brand-dark); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--brand); }
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid rgba(255,178,28,.75); outline-offset: 3px; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }
.container { width: min(calc(100% - 36px), var(--content)); margin-inline: auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 9px; background: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.lead { max-width: 760px; color: #43504d; font-size: clamp(1.04rem, 2vw, 1.22rem); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(223,229,225,.9);
  background: rgba(246,244,239,.9);
  backdrop-filter: blur(16px);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 900; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px 13px 13px 5px;
  color: white;
  background: var(--brand);
  box-shadow: 0 8px 22px rgba(8,127,91,.22);
}
.brand-mark svg { width: 24px; }
.brand-copy { display: grid; line-height: 1.05; }
.brand-name { font-size: 1.2rem; letter-spacing: .01em; }
.brand-tag { margin-top: 5px; color: var(--muted); font-size: .64rem; font-weight: 700; }
.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a {
  padding: 9px 12px;
  border-radius: 10px;
  color: #43504d;
  text-decoration: none;
  font-size: .91rem;
  font-weight: 750;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
.nav-cta { color: white !important; background: var(--brand) !important; }
.nav-cta:hover { background: var(--brand-dark) !important; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: white;
  cursor: pointer;
}
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 3px;
  background: currentColor;
  transition: .2s ease;
}
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }

.kyc-banner { border-bottom: 1px solid #f0d698; background: var(--accent-soft); color: #5d4515; }
.kyc-inner { display: flex; align-items: flex-start; gap: 12px; padding-block: 11px; font-size: .88rem; line-height: 1.5; }
.kyc-inner svg { width: 20px; flex: 0 0 20px; margin-top: 2px; color: #9b6800; }
.kyc-inner strong { color: #513b10; }

.page-hero { padding: clamp(58px, 9vw, 105px) 0 50px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .65fr); gap: clamp(35px, 7vw, 90px); align-items: center; }
.page-hero h1 { max-width: 820px; margin: 0 0 18px; font-size: clamp(2.25rem, 6vw, 4.85rem); line-height: 1.07; letter-spacing: -.045em; }
.page-hero h1 em { color: var(--brand); font-style: normal; }
.hero-card {
  position: relative;
  min-height: 300px;
  display: grid;
  align-content: end;
  overflow: hidden;
  padding: 28px;
  border-radius: 34px 34px 34px 8px;
  color: white;
  background: var(--brand-dark);
  box-shadow: var(--shadow);
}
.hero-card::before {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  top: -65px;
  right: -45px;
  border: 38px solid rgba(255,255,255,.08);
  border-radius: 50%;
}
.hero-card::after { content: ""; position: absolute; inset: auto 0 0; height: 9px; background: var(--accent); }
.hero-card .big-number { position: relative; z-index: 1; font-size: 4.2rem; font-weight: 900; line-height: 1; }
.hero-card p { position: relative; z-index: 1; margin: 8px 0 0; color: #cfebe2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: white;
  background: var(--brand);
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}
.btn:hover { color: white; background: var(--brand-dark); transform: translateY(-1px); }
.btn-secondary { border-color: var(--line); color: var(--ink); background: white; }
.btn-secondary:hover { color: var(--brand-dark); border-color: #b7d4ca; background: var(--brand-soft); }
.btn-quiet { min-height: 40px; padding: 8px 13px; color: var(--brand-dark); border-color: #b7d4ca; background: var(--brand-soft); }
.btn svg { width: 18px; }

.page-shell { display: grid; grid-template-columns: 255px minmax(0, 1fr); gap: clamp(35px, 6vw, 80px); padding-block: 30px 100px; }
.toc { position: sticky; top: 110px; align-self: start; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.72); }
.toc strong { display: block; margin: 0 0 8px; font-size: .88rem; }
.toc a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--muted); text-decoration: none; font-size: .87rem; line-height: 1.35; }
.toc a:hover, .toc a.is-active { color: var(--brand-dark); background: var(--brand-soft); }
.content-stack { min-width: 0; }
.content-section { padding: 0 0 58px; }
.content-section + .content-section { padding-top: 8px; border-top: 1px solid var(--line); }
.content-section h2 { margin: 0 0 16px; font-size: clamp(1.55rem, 3.5vw, 2.35rem); line-height: 1.2; letter-spacing: -.025em; }
.content-section h3 { margin: 28px 0 10px; font-size: 1.18rem; line-height: 1.3; }
.content-section p { margin: 0 0 14px; }
.content-section ul, .content-section ol { margin: 12px 0 16px; padding-left: 1.3rem; }
.content-section li { margin-bottom: 9px; padding-left: 5px; }

.notice { display: flex; gap: 14px; margin: 22px 0; padding: 18px; border: 1px solid #bcdaca; border-radius: var(--radius-sm); background: var(--brand-soft); }
.notice.warning { border-color: #efd18c; background: var(--accent-soft); }
.notice.danger { border-color: #ecc9c1; background: var(--danger-soft); }
.notice.info { border-color: #cbdde9; background: var(--info-soft); }
.notice-icon { width: 24px; height: 24px; flex: 0 0 24px; color: var(--brand-dark); }
.notice.warning .notice-icon { color: #8b620d; }
.notice.danger .notice-icon { color: var(--danger); }
.notice p:last-child { margin-bottom: 0; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.info-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 9px 28px rgba(23,33,31,.045); }
.info-card h3 { margin: 14px 0 8px; font-size: 1.1rem; }
.info-card p { margin-bottom: 0; color: var(--muted); font-size: .94rem; }
.card-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: var(--brand-dark); background: var(--brand-soft); }
.card-icon svg { width: 23px; }
.numbered { counter-reset: steps; }
.step-card { position: relative; padding-left: 75px; }
.step-card::before {
  counter-increment: steps;
  content: counter(steps, bengali);
  position: absolute;
  left: 22px;
  top: 23px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--brand);
  font-weight: 900;
}

.data-table-wrap { overflow-x: auto; margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.data-table { width: 100%; min-width: 650px; border-collapse: collapse; font-size: .93rem; }
.data-table th, .data-table td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { color: #3f4a47; background: #eef1ee; font-size: .82rem; }
.data-table tr:last-child td { border-bottom: 0; }
.badge { display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 999px; color: var(--brand-dark); background: var(--brand-soft); font-size: .75rem; font-weight: 800; }

.timeline { position: relative; margin: 25px 0; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; top: 8px; bottom: 8px; left: 8px; width: 2px; background: #b7d4ca; }
.timeline-item { position: relative; padding: 0 0 25px 18px; }
.timeline-item::before { content: ""; position: absolute; top: 6px; left: -32px; width: 13px; height: 13px; border: 3px solid var(--paper); border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 2px var(--brand); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item h3 { margin: 0 0 4px; }
.timeline-item p { color: var(--muted); }

.route-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 25px 0; }
.route-card { position: relative; display: block; padding: 23px 56px 23px 23px; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); background: white; text-decoration: none; transition: .2s ease; }
.route-card:hover { border-color: #acd0c3; color: var(--ink); transform: translateY(-3px); box-shadow: var(--shadow); }
.route-card strong { display: block; margin-bottom: 4px; }
.route-card span { color: var(--muted); font-size: .9rem; }
.route-card::after { content: "→"; position: absolute; right: 22px; top: 50%; color: var(--brand); font-size: 1.3rem; transform: translateY(-50%); }

.form-card { padding: clamp(22px, 4vw, 38px); border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-field { display: grid; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .9rem; font-weight: 800; }
.required { color: var(--danger); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd2ce;
  border-radius: 11px;
  color: var(--ink);
  background: #fcfdfc;
  outline: none;
}
.form-field textarea { min-height: 145px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(8,127,91,.1); }
.form-field [aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(163,59,49,.08); }
.field-error { min-height: 19px; color: var(--danger); font-size: .78rem; line-height: 1.4; }
.checkbox-field { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-field input { width: 18px; height: 18px; margin-top: 5px; accent-color: var(--brand); }
.form-note { padding: 12px 15px; border-radius: 10px; color: #5b4a22; background: var(--accent-soft); font-size: .85rem; }
.form-status { margin-top: 20px; }
.ticket-preview { padding: 22px; border: 1px dashed #90b9aa; border-radius: var(--radius-sm); background: #f4fbf8; }
.ticket-preview h3 { margin: 0 0 12px; }
.ticket-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px 18px; margin: 16px 0; }
.ticket-meta div { padding: 10px; border-radius: 8px; background: white; }
.ticket-meta small { display: block; color: var(--muted); }

.faq-tools { position: sticky; top: 95px; z-index: 10; margin: 0 0 25px; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.94); box-shadow: 0 8px 25px rgba(23,33,31,.06); backdrop-filter: blur(10px); }
.search-box { position: relative; }
.search-box svg { position: absolute; top: 50%; left: 14px; width: 20px; color: var(--muted); transform: translateY(-50%); }
.search-box input { width: 100%; padding: 13px 16px 13px 45px; border: 1px solid #cbd2ce; border-radius: 11px; background: #fbfcfb; }
.faq-summary { margin: 9px 3px 0; color: var(--muted); font-size: .82rem; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 20px; border: 0; color: var(--ink); background: transparent; text-align: left; font-weight: 850; cursor: pointer; }
.faq-question::after { content: "+"; flex: 0 0 auto; color: var(--brand); font-size: 1.45rem; font-weight: 400; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: #505c59; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-empty { padding: 35px; border: 1px dashed #c9d0cc; border-radius: var(--radius-sm); color: var(--muted); text-align: center; }

.policy-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.meta-pill { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.7); font-size: .78rem; }
.definition-list { display: grid; grid-template-columns: minmax(120px,.35fr) 1fr; gap: 0; margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.definition-list dt, .definition-list dd { margin: 0; padding: 14px 17px; border-bottom: 1px solid var(--line); }
.definition-list dt { font-weight: 850; background: #f0f2ef; }
.definition-list dt:last-of-type, .definition-list dd:last-of-type { border-bottom: 0; }

.site-footer { color: #dce8e4; background: #122c25; }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); gap: 40px; padding-block: 65px 45px; }
.footer-brand p { max-width: 340px; color: #a9bdb7; font-size: .9rem; }
.footer-brand .brand { color: white; }
.footer-col h2 { margin: 0 0 14px; color: white; font-size: .84rem; }
.footer-col a { display: block; margin: 8px 0; color: #b9cbc6; text-decoration: none; font-size: .86rem; }
.footer-col a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding: 22px 0 28px; border-top: 1px solid rgba(255,255,255,.1); color: #91a7a1; font-size: .78rem; }
.footer-bottom p { margin: 0; }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 500; max-width: min(360px, calc(100% - 40px)); padding: 13px 17px; border-radius: 12px; color: white; background: var(--ink); box-shadow: var(--shadow); animation: toast-in .25s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

@media (max-width: 950px) {
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; padding: 14px 18px 20px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 16px 30px rgba(23,33,31,.08); }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: 12px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { min-height: 220px; }
  .page-shell { grid-template-columns: 1fr; }
  .toc { position: static; display: flex; gap: 5px; overflow-x: auto; padding: 10px; scrollbar-width: thin; }
  .toc strong { display: none; }
  .toc a { flex: 0 0 auto; white-space: nowrap; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .container { width: min(calc(100% - 26px), var(--content)); }
  .nav-wrap { min-height: 68px; }
  .brand-tag { display: none; }
  .kyc-inner { font-size: .79rem; }
  .page-hero { padding-top: 46px; }
  .page-hero h1 { font-size: clamp(2.1rem, 12vw, 3.35rem); }
  .hero-card { padding: 23px; border-radius: 25px 25px 25px 7px; }
  .hero-card .big-number { font-size: 3.3rem; }
  .card-grid, .card-grid.two, .route-list, .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
  .ticket-meta { grid-template-columns: 1fr; }
  .definition-list { grid-template-columns: 1fr; }
  .definition-list dt { border-bottom: 0; }
  .definition-list dd { padding-top: 6px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
}

@media print {
  .site-header, .kyc-banner, .toc, .hero-card, .hero-actions, .site-footer, .faq-tools, .toast { display: none !important; }
  body { color: #000; background: white; font-size: 11pt; }
  body::before { display: none; }
  .page-hero { padding: 20px 0; }
  .page-hero h1 { font-size: 28pt; }
  .page-shell { display: block; padding: 0; }
  .content-section { break-inside: avoid; padding-bottom: 25px; }
  .info-card, .notice, .data-table-wrap { break-inside: avoid; box-shadow: none; }
  a { color: #000; text-decoration: none; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 8pt; }
}