@font-face {
  font-family: Inter;
  src: url("assets/fonts/inter-latin-variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans Bengali";
  src: url("assets/fonts/noto-sans-bengali-variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0951-0952,U+0964-0965,U+0980-09FE,U+200C-200D,U+25CC;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
:root {
  --aubergine: #241c34;
  --plum: #342747;
  --apricot: #ffb879;
  --oat: #faf2e9;
  --lilac: #cfc4e2;
  --iris: #6543ab;
  --soft: #e8dff1;
  --dark-line: #cfc4e240;
  --light-line: #241c342d;
  --page: var(--oat);
  --ink: var(--aubergine);
  --muted: #53415f;
  --muted-secondary: #594c65;
  --link: var(--iris);
  --subtle: var(--soft);
  --surface: #fff9f2;
  --card: #fffdf9;
  --stack-card: #fff;
  --stripe: #f1e8f0;
  --field: #fffaf5;
  --field-border: #8d789a;
  --error-bg: #fbe7df;
  --error-ink: #762a25;
  --error-edge: #a74742;
  --hosting-muted: var(--muted-secondary);
  --hosting-border: #d7cbdc;
  --font-display: Inter, "Noto Sans Bengali", system-ui, sans-serif;
  --font-ui: Inter, "Noto Sans Bengali", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font-ui); }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, p, figure { margin: 0; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid currentColor; outline-offset: 5px; }
::selection { color: var(--aubergine); background: var(--apricot); }
.shell { width: min(100% - clamp(2.25rem, 8vw, 8rem), 80rem); margin-inline: auto; }
.eyebrow {
  font: 620 .82rem/1.45 var(--font-ui);
  letter-spacing: .005em;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .85rem;
  min-height: 3.2rem;
  padding: .75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: .36rem;
  font-size: .9rem;
  font-weight: 580;
  line-height: 1.25;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.button-primary { background: var(--apricot); color: var(--aubergine); }
.button-primary:hover { background: #ffd2a8; }
.button-outline { border-color: currentColor; }
.button-outline:hover { background: #cfc4e225; }
.button .arrow { font-size: 1.15rem; line-height: 1; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding-block: .45rem;
  font-size: .9rem;
  font-weight: 590;
  text-underline-offset: .27em;
}
.text-link:hover { text-decoration-thickness: 2px; }
.skip-link {
  position: fixed;
  z-index: 10;
  inset: 1rem auto auto 1rem;
  padding: .7rem 1rem;
  border-radius: .25rem;
  background: var(--oat);
  color: var(--aubergine);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }
.site-header {
  position: sticky;
  z-index: 5;
  top: 0;
  background: var(--aubergine);
  color: var(--oat);
  border-bottom: 1px solid var(--dark-line);
}
.header-inner { min-height: 4.85rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { flex: none; display: inline-flex; align-items: center; }
.brand img { width: 11rem; height: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 4vw, 3rem); }
.nav-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--lilac);
  font-size: .9rem;
  text-decoration: none;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--oat); }
.nav-link[aria-current="page"] { text-decoration: underline; text-underline-offset: .55em; text-decoration-color: var(--apricot); }
.nav-cta { min-height: 2.55rem; padding: .55rem .82rem; border-color: var(--dark-line); white-space: nowrap; }
.menu-toggle {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  gap: .5rem;
  padding: .5rem .68rem;
  border: 1px solid var(--dark-line);
  border-radius: .35rem;
  background: transparent;
  color: var(--oat);
  cursor: pointer;
}
.menu-toggle::after { content: ""; width: .45rem; height: .45rem; border: solid currentColor; border-width: 0 1px 1px 0; transform: rotate(45deg); margin-top: -.2rem; }
.menu-toggle[aria-expanded="true"]::after { transform: rotate(225deg); margin-top: .2rem; }

.site-footer { background: var(--aubergine); color: var(--oat); border-top: 1px solid var(--dark-line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 2.2rem; }
.footer-inner img { width: 9rem; }
.footer-nav { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem 1.4rem; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 2.5rem; color: var(--lilac); font-size: .83rem; text-underline-offset: .22em; text-decoration-color: transparent; }
.footer-nav a:hover { text-decoration-color: currentColor; }

@media (max-width: 880px) {
  html { scroll-padding-top: 5.5rem; }
  .header-inner { min-height: 4.25rem; flex-wrap: wrap; gap: 0 1rem; }
  .brand img { width: 9.15rem; }
  .js .menu-toggle { display: inline-flex; }
  .site-nav { width: 100%; gap: .4rem .75rem; flex-wrap: wrap; padding-bottom: .75rem; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; align-items: center; justify-items: start; }
}
@media (max-width: 530px) {
  .footer-inner { align-items: flex-start; flex-direction: column; gap: .7rem; padding-block: 1.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; }
}
