:root {
  --bg: #0B0F19;
  --surface: #131826;
  --surface-2: #1B2233;
  --surface-3: #232C42;
  --crimson: #FF3B5C;
  --crimson-dim: rgba(255, 59, 92, 0.15);
  --teal: #37E8C4;
  --teal-dim: rgba(55, 232, 196, 0.15);
  --text: #F5F7FA;
  --muted: #8B93A7;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 18px;
  --font-display: "Noto Serif Bengali", "Noto Serif", serif;
  --font-body: "Hind Siliguri", "Noto Sans Bengali", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 59, 92, 0.10), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(55, 232, 196, 0.08), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.muted { color: var(--muted); }

/* ---------- Skip link / focus ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--teal); color: #04211c; padding: 8px 16px; z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; gap: 20px;
}
.logo {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 700;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: 0.01em;
}
.logo .dot { color: var(--crimson); }
.logo-tagline { display: block; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); letter-spacing: 0.08em; margin-top: -2px;}

.main-nav { display: flex; gap: 26px; align-items: center; }
.main-nav a {
  font-size: 14.5px; font-weight: 600; color: var(--text);
  position: relative; padding: 6px 0;
  transition: color .2s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--teal); transition: width .25s ease;
}
.main-nav a:hover { color: var(--teal); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; transition: all .2s;
}
.icon-btn:hover { background: var(--teal-dim); border-color: var(--teal); color: var(--teal); }

.nav-toggle { display: none; }

/* search overlay */
.search-panel {
  position: fixed; inset: 0; background: rgba(6, 8, 14, 0.92);
  backdrop-filter: blur(6px); z-index: 100;
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 14vh; opacity: 0; visibility: hidden; transition: opacity .2s;
}
.search-panel.open { opacity: 1; visibility: visible; }
.search-panel form { width: min(640px, 90vw); display: flex; gap: 10px; }
.search-panel input {
  flex: 1; padding: 16px 20px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 18px; font-family: var(--font-body);
}
.search-panel input::placeholder { color: var(--muted); }
.search-panel button {
  background: var(--teal); color: #04211c; border: none; border-radius: 14px;
  padding: 0 24px; font-weight: 700; cursor: pointer;
}
.search-close { position: absolute; top: 26px; right: 30px; }

/* ---------- Breaking ticker ---------- */
.ticker-bar {
  background: var(--crimson); color: #fff; overflow: hidden;
  display: flex; align-items: stretch;
}
.ticker-label {
  background: #C6193B; font-family: var(--font-mono); font-weight: 700;
  font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase;
  display: flex; align-items: center; padding: 8px 18px; flex-shrink: 0; white-space: nowrap;
}
.ticker-track-wrap { overflow: hidden; flex: 1; position: relative; }
.ticker-track {
  display: flex; gap: 48px; white-space: nowrap; padding: 8px 0;
  animation: ticker-scroll 32s linear infinite;
  font-weight: 600; font-size: 14.5px;
}
.ticker-track a:hover { text-decoration: underline; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 18px; }
.hero-title {
  font-size: clamp(32px, 4.2vw, 54px);
  margin-bottom: 18px;
}
.hero-title a:hover { color: var(--teal); }
.hero-summary { color: var(--muted); font-size: 17px; max-width: 540px; margin-bottom: 22px; }
.hero-meta {
  display: flex; gap: 18px; align-items: center; font-family: var(--font-mono);
  font-size: 12.5px; color: var(--muted); flex-wrap: wrap;
}
.hero-meta .cat-chip { color: var(--teal); }

.hero-stage {
  position: relative; height: 440px; border-radius: 24px;
  background: radial-gradient(circle at 50% 40%, var(--surface-3), var(--bg) 75%);
  border: 1px solid var(--border);
  overflow: hidden;
}
#hero-canvas { width: 100%; height: 100%; display: block; }
.hero-stage-caption {
  position: absolute; bottom: 16px; left: 20px; right: 20px;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  letter-spacing: .06em; text-transform: uppercase;
  display: flex; justify-content: space-between; pointer-events: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; font-weight: 700; font-size: 14.5px;
  cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: #04211c; }
.btn-primary:hover { box-shadow: 0 10px 24px -6px var(--teal-dim); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-crimson { background: var(--crimson); color: #fff; }

/* ---------- Section heading ---------- */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 56px 0 24px;
}
.section-head h2 { font-size: 26px; }
.section-head a { font-family: var(--font-mono); font-size: 12.5px; color: var(--teal); letter-spacing: .06em; }

/* ---------- Bento grid ---------- */
.bento {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; position: relative; transform-style: preserve-3d;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  will-change: transform;
}
.card:hover {
  border-color: rgba(55, 232, 196, 0.35);
  box-shadow: 0 24px 48px -18px rgba(0,0,0,.55);
}
.card-img { aspect-ratio: 16/10; overflow: hidden; background: var(--surface-2); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 20px; }
.card-cat {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 10px; display: inline-block;
}
.card-title { font-size: 19px; margin-bottom: 8px; }
.card-title a:hover { color: var(--teal); }
.card-excerpt { color: var(--muted); font-size: 14.5px; margin-bottom: 12px; }
.card-meta { display: flex; gap: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }

.bento .card:first-child {
  grid-column: span 2; grid-row: span 2;
}
.bento .card:first-child .card-title { font-size: 25px; }
.bento .card:first-child .card-img { aspect-ratio: 16/9; }

.bento-4 { grid-template-columns: repeat(4, 1fr); }
.bento-4 .card:first-child { grid-column: auto; grid-row: auto; }
.bento-4 .card:first-child .card-title { font-size: 16px; }
.bento-4 .card:first-child .card-img { aspect-ratio: 16/10; }

/* ---------- Layout with sidebar ---------- */
.content-layout { display: grid; grid-template-columns: 2.1fr 0.9fr; gap: 40px; margin-top: 12px; }

.trending-list { display: flex; flex-direction: column; gap: 18px; }
.trending-item { display: flex; gap: 14px; align-items: flex-start; }
.trending-rank {
  font-family: var(--font-display); font-size: 26px; color: var(--surface-3);
  -webkit-text-stroke: 1px var(--teal); width: 32px; flex-shrink: 0;
}
.trending-item h4 { font-size: 15px; margin-bottom: 4px; }
.trending-item h4 a:hover { color: var(--teal); }
.trending-item .card-meta { font-size: 11px; }

.sidebar-block {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin-bottom: 28px;
}
.sidebar-block h3 { font-size: 18px; margin-bottom: 18px; }

.category-pill-list { display: flex; flex-wrap: wrap; gap: 10px; }
.category-pill {
  font-family: var(--font-mono); font-size: 12px; padding: 8px 14px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); display: inline-flex; gap: 6px; align-items: center;
  transition: all .2s;
}
.category-pill:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Newsletter ---------- */
.newsletter-band {
  margin: 70px 0; padding: 46px; border-radius: 24px;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.newsletter-band h3 { font-size: 24px; margin-bottom: 6px; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input {
  padding: 13px 18px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); min-width: 260px; font-family: var(--font-body);
}

/* ---------- Article page ---------- */
.article-head { max-width: 780px; margin: 40px auto 0; }
.article-head .eyebrow { margin-bottom: 16px; }
.article-title { font-size: clamp(28px, 4vw, 42px); margin-bottom: 18px; }
.article-summary { font-size: 18px; color: var(--muted); margin-bottom: 20px; }
.article-byline { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 16px 0; margin-bottom: 30px;}
.avatar-circle {
  width: 40px; height: 40px; border-radius: 50%; background: var(--surface-3);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); color: var(--teal);
  flex-shrink: 0; overflow: hidden;
}
.avatar-circle img { width: 100%; height: 100%; object-fit: cover; }
.article-cover { border-radius: var(--radius); overflow: hidden; max-width: 900px; margin: 0 auto 36px; border: 1px solid var(--border); }
.article-body {
  max-width: 720px; margin: 0 auto; font-size: 18px; line-height: 1.9;
}
.article-body p { margin: 0 0 22px; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 34px 0; max-width: 720px; margin-inline: auto; }

.comments-block { max-width: 720px; margin: 50px auto; }
.comment-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
.comment-form { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.comment-form input, .comment-form textarea {
  padding: 13px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-family: var(--font-body); font-size: 15px;
}
.comment-form .row2 { display: flex; gap: 12px; }
.comment-form .row2 > * { flex: 1; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 10px; justify-content: center; margin: 40px 0; font-family: var(--font-mono); }
.pagination a, .pagination span {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--border); font-size: 13px;
}
.pagination .current { background: var(--teal); color: #04211c; border-color: var(--teal); }
.pagination a:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 90px; padding: 50px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.footer-grid h4 { font-size: 14px; margin-bottom: 16px; color: var(--muted); font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase;}
.footer-grid a { display: block; font-size: 14.5px; margin-bottom: 10px; color: var(--text); }
.footer-grid a:hover { color: var(--teal); }
.footer-bottom {
  display: flex; justify-content: space-between; margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); flex-wrap: wrap; gap: 10px;
}
.social-row { display: flex; gap: 12px; }

/* ---------- Alerts ---------- */
.alert { padding: 14px 18px; border-radius: 12px; margin-bottom: 18px; font-size: 14.5px; }
.alert-success { background: var(--teal-dim); border: 1px solid var(--teal); color: var(--teal); }
.alert-error { background: var(--crimson-dim); border: 1px solid var(--crimson); color: var(--crimson); }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding: 120px 0; }
.error-page h1 { font-size: 120px; color: var(--surface-3); -webkit-text-stroke: 1.5px var(--teal); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 30px; }
  .hero-stage { height: 320px; order: -1; }
  .content-layout { grid-template-columns: 1fr; gap: 30px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento .card:first-child { grid-column: span 2; }
  .bento-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-body, .article-summary { font-size: 17px; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .logo-tagline { display: none; }
  .header-row { padding: 12px 18px; }
  .hero { padding: 32px 0 24px; }
  .hero-stage { height: 280px; border-radius: 18px; }
  .section-head { margin: 40px 0 20px; flex-wrap: wrap; gap: 8px; }
  .newsletter-band { flex-direction: column; text-align: center; padding: 32px 22px; }
  .newsletter-form { width: 100%; justify-content: center; }
  .newsletter-form input { min-width: 0; flex: 1 1 200px; }
  .comment-form .row2 { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  html { font-size: 15px; }
  .hero-title { font-size: clamp(26px, 7vw, 34px); }
  .hero-stage { height: 240px; }
  .bento { grid-template-columns: 1fr; }
  .bento .card:first-child { grid-column: span 1; grid-row: span 1; }
  .bento .card:first-child .card-title { font-size: 20px; }
  .bento-4 { grid-template-columns: 1fr 1fr; gap: 14px; }
  .ticker-label { font-size: 11px; padding: 7px 12px; }
  .ticker-track { font-size: 13px; gap: 32px; }
  .search-panel { padding-top: 10vh; }
  .search-panel form { flex-direction: column; }
  .search-panel input { font-size: 16px; padding: 14px 16px; }
  .article-title { font-size: clamp(24px, 7vw, 32px); }
  .article-byline { flex-wrap: wrap; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-band h3 { font-size: 20px; }
  .pagination { flex-wrap: wrap; gap: 8px; }
  .card-title { font-size: 17px; }
  .icon-btn { width: 40px; height: 40px; }
}

@media (max-width: 420px) {
  .container { padding: 0 14px; }
  .logo { font-size: 21px; }
  .hero-stage { height: 210px; border-radius: 14px; }
  .bento-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .error-page h1 { font-size: 80px; }
  .trending-rank { font-size: 21px; width: 26px; }
  .sidebar-block { padding: 18px; }
  .article-body { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
  .card, .card-img img { transition: none; }
}

/* mobile off-canvas nav */
.mobile-nav {
  position: fixed; inset: 0; background: var(--bg); z-index: 90; padding: 90px 30px;
  transform: translateX(100%); transition: transform .3s ease; display: flex; flex-direction: column; gap: 22px;
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { font-size: 22px; font-family: var(--font-display); }

@media (max-width: 420px) {
  .mobile-nav { padding: 80px 24px; gap: 18px; }
  .mobile-nav a { font-size: 19px; }
}