/* ===========================================================
   History of Bangladeshi Media. Bold modern magazine theme.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Inter:wght@400;500;600;700;800;900&family=Noto+Serif+Bengali:wght@400;600&display=swap');

:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --ink: #111111;
  --ink-soft: #55555a;
  --border: #111111;
  --border-soft: #dcdcd6;

  --red: #d7263d;
  --red-soft: #fbe3e6;
  --blue: #1f4bff;
  --blue-soft: #e3e9ff;
  --gold: #e8a400;
  --gold-soft: #fdf0d0;
  --green: #0a7d5c;
  --green-soft: #dcf3ea;
  --purple: #6c1fb0;
  --purple-soft: #ece0f9;

  --cat-publication: var(--blue);
  --cat-milestone: var(--red);
  --cat-law: var(--ink);
  --cat-editor: var(--gold);
  --cat-event: var(--purple);

  --radius: 4px;
  --shadow-pop: 6px 6px 0 var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.bn { font-family: 'Noto Serif Bengali', serif; }

h1, h2, h3, h4 { font-family: 'Archivo Black', 'Inter', sans-serif; font-weight: 400; letter-spacing: -0.01em; text-transform: uppercase; }

a { color: var(--red); }
a:hover { color: var(--blue); }

::selection { background: var(--red); color: white; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: white;
  padding: 0.6rem 1rem; z-index: 999;
}
.skip-link:focus { left: 0; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  background: var(--bg);
  border-bottom: 3px solid var(--ink);
}

.topbar__inner {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  gap: 1rem;
}

.brand {
  display: flex; align-items: baseline; gap: 0.6rem;
  text-decoration: none; color: var(--ink);
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand .brand-mark {
  background: var(--red); color: white;
  padding: 0.15em 0.4em;
  display: inline-block;
  transform: skew(-6deg);
}
.brand .brand-bn { color: var(--ink-soft); font-family: 'Noto Serif Bengali', serif; text-transform: none; font-size: 0.7rem; display: none; }

@media (min-width: 640px) {
  .brand .brand-bn { display: inline; }
}

/* Hamburger */
.menu-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px;
  border: 2px solid var(--ink);
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block; width: 20px; height: 2px; background: var(--ink); margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav drawer */
.site-nav {
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(340px, 88vw);
  background: var(--ink);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 70;
  padding: 5.5rem 0 2rem;
  overflow-y: auto;
  box-shadow: -8px 0 30px rgba(0,0,0,0.25);
}
.site-nav.is-open { transform: translateX(0); }

.site-nav__inner {
  display: flex; flex-direction: column;
}

.site-nav a {
  color: #fafaf8;
  text-decoration: none;
  padding: 0.9rem 1.75rem;
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.05rem;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(250,250,248,0.12);
  transition: background 0.15s ease, padding-left 0.15s ease;
}
.site-nav a:hover, .site-nav a:focus { background: var(--red); color: white; padding-left: 2.1rem; }

.nav-scrim {
  position: fixed; inset: 0; background: rgba(17,17,17,0.5);
  z-index: 65; opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.nav-scrim.is-open { opacity: 1; pointer-events: auto; }

.nav-close {
  position: absolute; top: 1.4rem; right: 1.4rem;
  width: 40px; height: 40px;
  border: 2px solid #fafaf8; background: transparent; color: #fafaf8;
  font-size: 1.4rem; cursor: pointer; line-height: 1;
}

/* Nav drawer: accordion of parts, folded by default */
.nav-part-item { border-bottom: 1px solid rgba(250,250,248,0.12); }
.nav-part-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 0.6rem;
  background: transparent; border: none; cursor: pointer; text-align: left;
  color: #fafaf8; font-family: 'Archivo Black', sans-serif;
  font-size: 0.92rem; text-transform: uppercase;
  padding: 0.9rem 1.75rem;
}
.nav-part-header:hover { background: var(--red); }
.nav-part-header .npn { font-size: 0.75rem; opacity: 0.7; margin-right: 0.5rem; }
.nav-part-header .chevron { transition: transform 0.2s ease; flex-shrink: 0; }
.nav-part-header[aria-expanded="true"] .chevron { transform: rotate(90deg); }

.nav-part-panel { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; background: rgba(250,250,248,0.04); }
.nav-part-panel.is-open { max-height: 700px; }
.nav-part-panel a, .nav-part-panel .nav-chapter-disabled {
  display: block; padding: 0.6rem 2.2rem;
  font-size: 0.82rem; font-weight: 500; text-transform: none;
  font-family: 'Inter', sans-serif;
  color: rgba(250,250,248,0.85); text-decoration: none;
  border-top: 1px solid rgba(250,250,248,0.06);
}
.nav-part-panel a:hover { background: var(--red); color: white; }
.nav-part-panel .nav-chapter-disabled { color: rgba(250,250,248,0.32); cursor: default; }

/* ---------- Layout ---------- */
main { max-width: 1240px; margin: 0 auto; padding: 0 1.25rem 4rem; }

section { margin-bottom: 4.5rem; }

.section-head {
  display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap;
  border-top: 3px solid var(--ink);
  padding-top: 0.6rem;
  margin-bottom: 1.5rem;
}

.section-head h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin: 0; }
.section-head .bn { color: var(--ink-soft); font-size: 1rem; }
.section-sub { color: var(--ink-soft); margin: -0.9rem 0 1.4rem; max-width: 65ch; font-size: 1.02rem; }

/* ---------- Hero bento ---------- */
.hero { padding: 2.5rem 0 3rem; border-bottom: 3px solid var(--ink); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: white;
  background: var(--ink);
  padding: 0.4rem 0.8rem;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: clamp(2.1rem, 5.6vw, 3.6rem);
  line-height: 0.98;
  margin: 0 0 1.1rem;
  max-width: 16ch;
}
.hero-title .accent-word { color: var(--red); }

.hero-lede {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 56ch;
}

.hero-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--red); color: white; text-decoration: none;
  padding: 0.8rem 1.4rem; font-weight: 800; font-size: 0.92rem;
  text-transform: uppercase; letter-spacing: 0.03em;
  margin-top: 1.5rem;
  transition: transform 0.15s ease, background 0.15s ease;
}
.hero-cta:hover { background: var(--ink); color: white; transform: translateX(3px); }

/* Bento grid system, reused across the homepage */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 1fr;
  align-items: stretch;
  justify-items: stretch;
  gap: 1.1rem;
  width: 100%;
}
.bento-box {
  background: var(--surface);
  border: 3px solid var(--ink);
  padding: 1.6rem;
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.bento-box.hoverable:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-pop); }

.bento-span-4 { grid-column: span 4; }
.bento-span-3 { grid-column: span 3; }
.bento-span-2 { grid-column: span 2; }
.bento-span-6 { grid-column: span 6; }

.bento-box.dark { background: var(--ink); color: white; }
.bento-box.dark .bn { color: rgba(255,255,255,0.7); }
.bento-box.accent-red { background: var(--red); color: white; border-color: var(--ink); }
.bento-box.accent-gold { background: var(--gold-soft); }

@media (max-width: 900px) {
  .bento-span-4, .bento-span-3, .bento-span-2 { grid-column: span 6; }
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Timeline (full width, no scroll) ---------- */
.timeline-controls { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.6rem; }

.timeline-controls button {
  font-family: 'Inter', sans-serif;
  border: 2px solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: inline-flex; align-items: center;
  transition: all 0.15s ease;
}
.timeline-controls button[aria-pressed="true"] {
  background: var(--ink); color: white;
}
.timeline-controls button .dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 0.5rem;
}

/* Horizontal timeline: flows left to right, wraps to new rows,
   no overflow scrollbar, always full width of its container. */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.1rem;
  width: 100%;
  border-top: 3px solid var(--ink);
  padding-top: 1.2rem;
}

.timeline-card {
  border: 2px solid var(--ink);
  border-top: 6px solid var(--ink);
  background: var(--surface);
  padding: 1.2rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.timeline-card:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-pop); }

.cat-publication.timeline-card { border-top-color: var(--cat-publication); }
.cat-milestone.timeline-card { border-top-color: var(--cat-milestone); }
.cat-law.timeline-card { border-top-color: var(--cat-law); }
.cat-editor.timeline-card { border-top-color: var(--cat-editor); }
.cat-event.timeline-card { border-top-color: var(--cat-event); }

.timeline-card__year {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.timeline-card__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.65rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem; margin-bottom: 0.6rem;
  color: white;
}
.cat-publication .timeline-card__tag { background: var(--cat-publication); }
.cat-milestone .timeline-card__tag { background: var(--cat-milestone); }
.cat-law .timeline-card__tag { background: var(--cat-law); }
.cat-editor .timeline-card__tag { background: var(--cat-editor); color: var(--ink); }
.cat-event .timeline-card__tag { background: var(--cat-event); }

.timeline-card h3 { font-size: 1.05rem; margin: 0 0 0.35rem; text-transform: none; }
.timeline-card .card-bn { display: block; color: var(--ink-soft); margin-bottom: 0.6rem; font-size: 0.9rem; }
.timeline-card p { margin: 0 0 0.6rem; font-size: 0.9rem; flex: 1; }
.timeline-card .card-source { font-size: 0.72rem; font-style: italic; color: var(--ink-soft); border-top: 1px dashed var(--border-soft); padding-top: 0.5rem; }

/* ---------- Parts accordion (homepage): folded by default, click to reveal chapters ---------- */
.parts-accordion { border-top: 3px solid var(--ink); }

.part-accordion-item { border-bottom: 3px solid var(--ink); }

.part-accordion-header {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  background: var(--surface);
  border: none; cursor: pointer; text-align: left;
  padding: 1.3rem 1.5rem;
  transition: background 0.15s ease;
}
.part-accordion-header:hover { background: var(--gold-soft); }
.part-accordion-header[aria-expanded="true"] { background: var(--ink); color: white; }
.part-accordion-header[aria-expanded="true"] .pah-years { color: rgba(255,255,255,0.7); }

.pah-left { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.pah-num { font-family: 'Archivo Black', sans-serif; font-size: 1.3rem; color: var(--accent, var(--red)); }
.pah-title { font-family: 'Archivo Black', sans-serif; font-size: 1.05rem; text-transform: uppercase; }
.pah-years { font-size: 0.8rem; font-weight: 700; color: var(--ink-soft); }
.pah-right { display: flex; align-items: center; gap: 0.9rem; }
.pah-count {
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  background: var(--ink); color: white; padding: 0.25rem 0.6rem; flex-shrink: 0;
}
.part-accordion-header[aria-expanded="true"] .pah-count { background: var(--gold); color: var(--ink); }
.pah-chevron { font-family: 'Archivo Black', sans-serif; font-size: 1.1rem; transition: transform 0.2s ease; flex-shrink: 0; }
.part-accordion-header[aria-expanded="true"] .pah-chevron { transform: rotate(180deg); }

.part-accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; background: var(--bg); }
.part-accordion-panel.is-open { max-height: 1400px; }

.part-chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.8rem;
  padding: 1.3rem 1.5rem 1.7rem;
}
.part-chapter-link, .part-chapter-disabled {
  display: flex; align-items: baseline; gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--border-soft);
  font-size: 0.87rem;
  background: var(--surface);
}
.part-chapter-link { text-decoration: none; color: var(--ink); border-color: var(--ink); }
.part-chapter-link:hover { background: var(--red); color: white; }
.part-chapter-disabled { color: var(--ink-soft); }
.part-chapter-num { font-family: 'Archivo Black', sans-serif; flex-shrink: 0; }

/* ---------- Topic feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.1rem;
}
@media (min-width: 901px) {
  .feature-card:nth-child(1) { grid-column: span 3; }
  .feature-card:nth-child(4) { grid-column: span 3; }
}
.feature-card {
  grid-column: span 2;
  border: 3px solid var(--ink);
  padding: 1.5rem;
  text-decoration: none; color: var(--ink);
  background: var(--surface);
  text-align: left;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature-card:hover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--ink); }

.feature-card .icon {
  font-size: 1.4rem; display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; margin-bottom: 0.9rem;
  border: 2px solid var(--ink);
}
.feature-card:nth-child(6n+1) .icon { background: var(--blue-soft); }
.feature-card:nth-child(6n+2) .icon { background: var(--red-soft); }
.feature-card:nth-child(6n+3) .icon { background: var(--green-soft); }
.feature-card:nth-child(6n+4) .icon { background: var(--gold-soft); }
.feature-card:nth-child(6n+5) .icon { background: var(--purple-soft); }
.feature-card:nth-child(6n+6) .icon { background: var(--blue-soft); }

.feature-card .label { font-family: 'Archivo Black', sans-serif; display: block; font-size: 1rem; text-transform: uppercase; }
.feature-card .desc { color: var(--ink-soft); font-size: 0.85rem; margin-top: 0.4rem; }

@media (max-width: 900px) { .feature-card { grid-column: span 3; } }
@media (max-width: 560px) { .feature-card { grid-column: span 6; } }

/* ---------- Source shelf ---------- */
.cover-strip {
  display: flex; gap: 1.1rem; overflow-x: auto; padding: 0.4rem 0.1rem 1rem;
}
.cover-strip figure { flex-shrink: 0; width: 140px; margin: 0; text-align: left; }
.cover-strip img {
  width: 100%; height: 190px; object-fit: cover;
  border: 3px solid var(--ink);
  filter: saturate(1.05);
}
.cover-strip figcaption { font-size: 0.78rem; margin-top: 0.6rem; color: var(--ink-soft); font-weight: 600; }

/* ---------- Search ---------- */
.search-box {
  display: flex; max-width: 520px;
  border: 3px solid var(--ink);
}
.search-box input {
  flex: 1; font-family: inherit; padding: 0.75rem 1rem; border: none;
  background: var(--surface); outline: none; font-size: 0.95rem;
}
.search-box button {
  border: none; border-left: 3px solid var(--ink); background: var(--red);
  color: white; padding: 0.75rem 1.4rem; cursor: pointer;
  font-weight: 800; font-size: 0.85rem; text-transform: uppercase;
}
.search-box button:hover { background: var(--ink); }

#search-results { max-width: 520px; margin-top: 1rem; color: var(--ink-soft); font-size: 0.92rem; }
#search-results ul { list-style: none; padding: 0; }
#search-results li {
  background: var(--surface); border: 2px solid var(--ink);
  padding: 0.7rem 1rem; margin-bottom: 0.6rem;
}

/* ---------- Notice ---------- */
.notice {
  border: 2px dashed var(--ink);
  background: var(--gold-soft);
  color: var(--ink);
  padding: 0.9rem 1.2rem;
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 3px solid var(--ink);
  padding: 2.2rem 1.25rem 3rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.site-footer .footer-inner { max-width: 1240px; margin: 0 auto; }
.site-footer nav { margin-bottom: 1rem; display: flex; gap: 1.3rem; flex-wrap: wrap; }
.site-footer nav a { text-decoration: none; color: var(--ink); font-weight: 700; text-transform: uppercase; font-size: 0.82rem; }
.site-footer nav a:hover { color: var(--red); }
.site-footer p { max-width: 70ch; margin: 0; }