/* ==========================================================================
   Sombhar — Design System
   Concept: a foggy morning writing desk. Soft paper surface, drifting blur
   blobs like breath on a window, index-card posts pinned at a slight tilt,
   handwritten accents where a person would actually annotate a page.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Inter:wght@400;500;600;700&family=Hind+Siliguri:wght@400;500;600;700&family=Baloo+Da+2:wght@500;600;700;800&family=Caveat:wght@500;600;700&family=Atma:wght@400;500;600;700&display=swap');

:root{
  /* Color tokens */
  --paper: #F3F1EC;
  --paper-raised: #FBFAF7;
  --ink: #24262B;
  --ink-soft: #565A63;
  --fog-1: #C7D2E8;
  --fog-2: #D9CFE6;
  --line: rgba(36,38,43,0.10);
  --accent: #5C63C4;      /* dusty indigo */
  --accent-soft: #EDEEFB;
  --amber: #D69A4C;       /* warm pin / highlight */
  --amber-soft: #FBEEDC;
  --danger: #C4585C;
  --glass: rgba(255,255,255,0.60);
  --glass-border: rgba(255,255,255,0.75);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 1px 2px rgba(36,38,43,0.06), 0 10px 30px -12px rgba(36,38,43,0.18);
  --shadow-pop: 0 20px 60px -20px rgba(36,38,43,0.35);

  --font-en: 'Inter', system-ui, sans-serif;
  --font-en-display: 'Fraunces', Georgia, serif;
  --font-en-hand: 'Caveat', cursive;
  --font-bn: 'Hind Siliguri', sans-serif;
  --font-bn-display: 'Baloo Da 2', sans-serif;
  --font-bn-hand: 'Atma', cursive;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-en);
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}
:lang(bn){ font-family: var(--font-bn); }
h1,h2,h3,h4{ font-family: var(--font-en-display); letter-spacing: -0.01em; margin: 0; }
h1:lang(bn), h2:lang(bn), h3:lang(bn), h4:lang(bn){ font-family: var(--font-bn-display); letter-spacing: 0; }

a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor:pointer; }
img{ max-width:100%; display:block; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [contenteditable]:focus-visible{
  outline: 2.5px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- Gloomy blur atmosphere ---------- */
.fog-layer{
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.fog-blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}
.fog-blob.b1{ width: 480px; height: 480px; top: -160px; left: -120px; background: var(--fog-1); animation: drift1 26s ease-in-out infinite alternate; }
.fog-blob.b2{ width: 420px; height: 420px; top: 20%; right: -140px; background: var(--fog-2); animation: drift2 32s ease-in-out infinite alternate; }
.fog-blob.b3{ width: 380px; height: 380px; bottom: -160px; left: 30%; background: var(--amber-soft); opacity: 0.5; animation: drift1 22s ease-in-out infinite alternate-reverse; }
@keyframes drift1{ from{ transform: translate(0,0); } to{ transform: translate(40px,30px); } }
@keyframes drift2{ from{ transform: translate(0,0); } to{ transform: translate(-30px,40px); } }

/* ---------- Glass surfaces ---------- */
.glass{
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--glass-border);
}

/* ---------- Navigation ---------- */
.site-nav{
  position: sticky; top:0; z-index: 50;
  padding: 14px 0;
}
.site-nav .wrap{
  max-width: 1120px; margin: 0 auto; padding: 0 20px;
  display:flex; align-items:center; justify-content:space-between;
  border-radius: var(--radius-lg);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  padding-top: 10px; padding-bottom: 10px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand .mark{
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(150deg, var(--accent), #8489dd);
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family: var(--font-en-display); font-weight:600; font-size: 17px;
  box-shadow: 0 6px 14px -6px rgba(92,99,196,0.6);
  transform: rotate(-4deg);
}
.brand .name{ font-family: var(--font-en-display); font-weight:600; font-size: 19px; }
.brand .name .bn{ font-family: var(--font-bn-display); }
.nav-links{ display:flex; align-items:center; gap: 4px; }
.nav-links a{
  padding: 8px 14px; border-radius: 999px; font-weight:500; font-size:14.5px; color: var(--ink-soft);
  transition: background .18s ease, color .18s ease;
}
.nav-links a:hover, .nav-links a.active{ background: var(--accent-soft); color: var(--accent); }
.nav-toggle{ display:none; background:none; border:0; padding:6px; }
.nav-toggle svg{ width:22px; height:22px; }
.mobile-menu{ display:none; }
.mobile-menu.open{ display:flex; flex-direction:column; gap:2px; padding: 10px 14px 4px; }
.mobile-menu a{ padding: 10px 8px; border-radius: 10px; font-size: 15px; color: var(--ink-soft); }
.mobile-menu a:hover{ background: var(--accent-soft); color: var(--accent); }

@media (max-width: 760px){
  .nav-links{ display:none; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  padding: 11px 20px; border-radius: 999px; font-weight:600; font-size: 14.5px;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{ background: var(--ink); color: #fff; box-shadow: var(--shadow-card); }
.btn-primary:hover{ transform: translateY(-1px); box-shadow: var(--shadow-pop); }
.btn-ghost{ background: var(--glass); border-color: var(--line); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn-accent{ background: var(--accent); color:#fff; }
.btn-accent:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px -12px rgba(92,99,196,0.55); }
.btn-danger{ background: var(--danger); color:#fff; }
.btn-sm{ padding: 7px 13px; font-size: 13px; }
.btn:disabled{ opacity:.5; cursor:not-allowed; transform:none !important; }

/* ---------- Hero (desk board) ---------- */
.hero{ padding: 64px 20px 20px; }
.hero .wrap{ max-width: 1120px; margin: 0 auto; }
.eyebrow-pin{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-en-hand); font-size: 21px; color: var(--amber);
  transform: rotate(-2deg);
}
.eyebrow-pin:lang(bn), .eyebrow-pin .bn{ font-family: var(--font-bn-hand); font-size: 19px; }
.eyebrow-pin::before{ content:''; width:9px; height:9px; border-radius:50%; background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.hero h1{ font-size: clamp(34px, 5vw, 54px); font-weight: 600; line-height:1.08; margin-top: 10px; max-width: 16ch; }
.hero p.lede{ margin-top: 14px; color: var(--ink-soft); font-size: 17px; max-width: 46ch; }

.search-wrap{ margin-top: 28px; max-width: 460px; position: relative; }
.search-wrap input{
  width:100%; padding: 13px 16px 13px 42px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper-raised);
  font-size: 14.5px; color: var(--ink);
  box-shadow: var(--shadow-card);
}
.search-wrap input:focus{ outline:none; border-color: var(--accent); }
.search-wrap svg{ position:absolute; left: 15px; top: 50%; transform: translateY(-50%); width:17px; height:17px; color: var(--ink-soft); }

.chip-row{ display:flex; flex-wrap:wrap; gap: 8px; margin-top: 22px; }
.chip{
  padding: 7px 15px; border-radius: 999px; font-size: 13.5px; font-weight:500;
  border: 1px solid var(--line); background: var(--paper-raised); color: var(--ink-soft);
  transition: all .15s ease;
}
.chip:hover{ border-color: var(--accent); color: var(--accent); }
.chip.active{ background: var(--ink); color:#fff; border-color: var(--ink); }

/* ---------- Post grid / index cards ---------- */
.post-grid{
  max-width: 1120px; margin: 0 auto; padding: 30px 20px 80px;
  display:grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 26px;
}
.post-card{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow:hidden;
  box-shadow: var(--shadow-card);
  display:flex; flex-direction:column;
  transition: transform .22s ease, box-shadow .22s ease, rotate .22s ease;
  position:relative;
}
.post-card:hover{ transform: translateY(-4px) rotate(-0.4deg); box-shadow: var(--shadow-pop); }
.post-card .pin{
  position:absolute; top:12px; right:14px; width:11px; height:11px; border-radius:50%;
  background: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); z-index:2;
}
.post-card .thumb{ aspect-ratio: 16/10; overflow:hidden; background: var(--accent-soft); }
.post-card .thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .4s ease; }
.post-card:hover .thumb img{ transform: scale(1.05); }
.post-card .body{ padding: 18px 20px 20px; display:flex; flex-direction:column; gap:9px; flex:1; }
.post-card .cat{
  font-family: var(--font-en-hand); font-size:16px; color: var(--accent); align-self:flex-start;
  padding: 1px 4px;
}
.post-card .cat:lang(bn){ font-family: var(--font-bn-hand); font-size:15px; }
.post-card h3{ font-size: 19px; line-height:1.32; font-weight:600; }
.post-card p.excerpt{ font-size: 14px; color: var(--ink-soft); line-height:1.6; flex:1; }
.post-card .meta-row{
  display:flex; align-items:center; justify-content:space-between; margin-top: 6px;
  padding-top: 12px; border-top: 1px dashed var(--line); font-size: 12.5px; color: var(--ink-soft);
}
.post-card .meta-row a{ font-weight:600; color: var(--ink); display:inline-flex; align-items:center; gap:5px; }
.post-card .meta-row a:hover{ color: var(--accent); }

.empty-state{
  max-width: 1120px; margin: 0 auto; padding: 70px 20px; text-align:center; color: var(--ink-soft);
}
.empty-state .icon{ font-size: 40px; margin-bottom: 12px; }

/* ---------- Article ---------- */
.article-wrap{ max-width: 760px; margin: 0 auto; padding: 40px 20px 100px; }
.back-link{ display:inline-flex; align-items:center; gap:7px; color: var(--ink-soft); font-size:14px; font-weight:500; margin-bottom: 22px; }
.back-link:hover{ color: var(--accent); }
.article-card{
  background: var(--paper-raised); border:1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); overflow:hidden;
}
.article-card .hero-img{ width:100%; aspect-ratio: 16/8; object-fit:cover; }
.article-body{ padding: 34px 34px 40px; }
@media (max-width:600px){ .article-body{ padding: 24px 18px 30px; } }
.article-cat{ font-family: var(--font-en-hand); font-size:19px; color:var(--accent); }
.article-cat:lang(bn){ font-family: var(--font-bn-hand); }
.article-title{ font-size: clamp(26px,4vw,38px); font-weight:600; margin-top:10px; line-height:1.2; }
.article-meta{ display:flex; flex-wrap:wrap; gap: 14px; margin-top: 14px; color: var(--ink-soft); font-size: 13.5px; }
.article-meta span{ display:inline-flex; align-items:center; gap:6px; }

.blog-content{ margin-top: 30px; font-size: 17px; line-height: 1.9; color: var(--ink); }
.blog-content:lang(bn){ font-size: 18px; }
.blog-content p{ margin: 0 0 20px; }
.blog-content h2{ font-size: 25px; margin: 34px 0 14px; }
.blog-content h3{ font-size: 21px; margin: 26px 0 12px; }
.blog-content img{ border-radius: var(--radius-md); margin: 22px 0; }
.blog-content a{ color: var(--accent); text-decoration: underline; text-underline-offset:3px; }
.blog-content ul, .blog-content ol{ margin: 0 0 20px; padding-left: 26px; }
.blog-content li{ margin-bottom: 8px; }
.blog-content blockquote{
  margin: 24px 0; padding: 4px 22px; border-left: 3px solid var(--amber);
  font-family: var(--font-en-hand); font-size: 21px; color: var(--ink-soft);
}
.blog-content blockquote:lang(bn){ font-family: var(--font-bn-hand); font-size:20px; }
.blog-content table{ width:100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.blog-content table th, .blog-content table td{ border:1px solid var(--line); padding: 10px 14px; text-align:left; }
.blog-content table th{ background: var(--accent-soft); font-weight:600; }
.blog-content table tr:nth-child(even) td{ background: rgba(0,0,0,0.015); }

/* promo / affiliate block, insertable from admin editor */
.promo-block{
  display:flex; gap:16px; align-items:center; margin: 28px 0; padding: 18px;
  background: var(--amber-soft); border: 1px solid rgba(214,154,76,0.35); border-radius: var(--radius-md);
}
.promo-block img{ width:84px; height:84px; object-fit:cover; border-radius: 10px; margin:0; flex-shrink:0; }
.promo-block .pb-text{ flex:1; }
.promo-block .pb-tag{ font-family: var(--font-en-hand); color: var(--amber); font-size:15px; }
.promo-block .pb-tag:lang(bn){ font-family: var(--font-bn-hand); }
.promo-block .pb-title{ font-weight:700; font-size:16px; margin: 2px 0 4px; }
.promo-block .pb-desc{ font-size: 13.5px; color: var(--ink-soft); }
.promo-block .pb-cta{
  flex-shrink:0; padding: 9px 16px; border-radius: 999px; background: var(--ink); color:#fff;
  font-size: 13px; font-weight:600; white-space:nowrap;
}
@media (max-width:520px){ .promo-block{ flex-direction:column; align-items:flex-start; } .promo-block img{ width:100%; height:140px; } }

/* engagement bar */
.engage-bar{
  display:flex; align-items:center; gap:10px; margin-top: 36px; padding-top: 24px; border-top: 1px dashed var(--line);
  flex-wrap:wrap;
}
.engage-btn{
  display:inline-flex; align-items:center; gap:7px; padding: 9px 16px; border-radius:999px;
  border:1px solid var(--line); background: var(--paper); font-size:14px; font-weight:500; color: var(--ink-soft);
  transition: all .15s ease;
}
.engage-btn svg{ width:16px; height:16px; }
.engage-btn:hover{ border-color: var(--accent); color: var(--accent); }
.engage-btn.liked{ background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.engage-btn.disliked{ background: #FBE9EA; border-color: var(--danger); color: var(--danger); }
.share-menu{ position:relative; display:inline-block; }
.share-dropdown{
  position:absolute; bottom: calc(100% + 8px); left:0; background: var(--paper-raised); border:1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow-pop); padding:6px; display:none; min-width:170px; z-index:20;
}
.share-dropdown.open{ display:block; }
.share-dropdown a{ display:flex; align-items:center; gap:9px; padding:9px 10px; border-radius:8px; font-size:13.5px; }
.share-dropdown a:hover{ background: var(--accent-soft); }

/* ---------- Footer ---------- */
.site-footer{ padding: 60px 20px 30px; margin-top: 40px; }
.site-footer .wrap{
  max-width: 1120px; margin:0 auto; border-radius: var(--radius-lg);
  background: var(--ink); color: #E7E7EA; padding: 44px 36px 26px;
}
.site-footer h3{ font-size: 15px; font-weight:700; margin-bottom: 14px; color:#fff; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
@media (max-width:700px){ .footer-grid{ grid-template-columns: 1fr; } }
.site-footer p{ color:#A6A7AE; font-size:14px; line-height:1.7; margin:0; }
.site-footer ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px; }
.site-footer a{ color:#A6A7AE; font-size:14px; }
.site-footer a:hover{ color:#fff; }
.footer-bottom{ margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size:12.5px; color:#8B8C93; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Simple pages (pp/tos/contact) ---------- */
.simple-page{ max-width: 760px; margin:0 auto; padding: 60px 20px 90px; }
.simple-page .card{ background: var(--paper-raised); border:1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 40px; }
@media (max-width:600px){ .simple-page .card{ padding: 26px 20px; } }
.simple-page h2{ font-size: 30px; margin-bottom: 20px; }
.simple-page p{ color: var(--ink-soft); line-height:1.8; margin: 0 0 16px; }
.simple-page .updated{ font-family: var(--font-en-hand); color: var(--amber); font-size:17px; margin-bottom: 20px; display:inline-block; }

/* contact form */
.form-field{ margin-bottom: 18px; }
.form-field label{ display:block; font-size:13.5px; font-weight:600; margin-bottom:7px; color: var(--ink-soft); }
.form-field input, .form-field textarea, .form-field select{
  width:100%; padding: 12px 14px; border-radius: 10px; border:1px solid var(--line);
  background: var(--paper); font-size:14.5px; font-family:inherit; color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{ outline:none; border-color: var(--accent); }
.form-field textarea{ resize: vertical; min-height: 120px; }

/* ---------- Loading / skeleton ---------- */
.skel{ background: linear-gradient(90deg, rgba(0,0,0,0.05) 25%, rgba(0,0,0,0.09) 37%, rgba(0,0,0,0.05) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; border-radius: 10px; }
@keyframes shimmer{ 0%{ background-position: 100% 0; } 100%{ background-position: 0 0; } }
.spinner{ width:18px; height:18px; border-radius:50%; border: 2.5px solid rgba(0,0,0,0.15); border-top-color: var(--accent); animation: spin .7s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* toast */
.toast{
  position: fixed; bottom: 24px; left:50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color:#fff; padding: 12px 22px; border-radius: 999px; font-size: 14px; font-weight:500;
  box-shadow: var(--shadow-pop); z-index: 200; opacity:0; pointer-events:none; transition: all .25s ease;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* utility */
.container{ max-width:1120px; margin:0 auto; padding:0 20px; }
.hidden{ display:none !important; }
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }