:root{
    --paper:    #f3e7cb;
    --paper-2:  #ecdcb8;
    --ink:      #0f0a05;
    --ink-2:    #1a140d;
    --sindoor:  #c41a14;
    --sindoor-2:#a31410;
    --indigo:   #1d2b5a;
    --indigo-2: #131c3d;
    --marigold: #e89527;

    --bn:       "Hind Siliguri", "Noto Serif Bengali", serif;
    --bn-serif: "Noto Serif Bengali", "Hind Siliguri", serif;
    --en:       "Bodoni Moda", "Times New Roman", Georgia, serif;
    --mono:     "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

    --max:      1280px;
    --gutter:   clamp(20px, 4.5vw, 60px);
  }

  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);}
  html{ -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
  body{
    font-family: var(--en);
    font-size: 17px;
    line-height: 1.65;
    font-weight: 500;
    overflow-x: hidden;
  }
  /* When language is Bangla, the whole document uses Bangla as primary */
  html[data-lang="bn"] body{
    font-family: var(--bn);
    font-weight: 400;
    line-height: 1.78;
  }
  a{ color: inherit; text-decoration: none; }
  img, svg{ display:block; max-width: 100%; }
  ::selection{ background: var(--sindoor); color: var(--paper); }

  .wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
  .mono{ font-family: var(--mono); letter-spacing: 0.06em; }
  .stamp{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; }
  .sindoor{ color: var(--sindoor); }
  .marigold{ color: var(--marigold); }

  /* Bangla nodes are styled with the Bangla stack regardless of mode */
  [data-bn]{ font-family: var(--bn); font-weight: 500; }
  [data-bn].serif{ font-family: var(--bn-serif); }

  /* Toggle visibility */
  html[data-lang="en"] [data-bn]:not(.always){ display: none; }
  html[data-lang="bn"] [data-en]:not(.always){ display: none; }

  /* ---------- decorative bands ---------- */
  /* ===================== Anonymity banner ===================== */
  .anon-banner{
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--sindoor);
    color: var(--paper);
    border-bottom: 2px solid var(--ink);
    box-shadow: 0 2px 0 var(--ink-2);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.55;
    letter-spacing: 0.02em;
  }
  html[data-lang="bn"] .anon-banner{
    font-family: var(--bn);
    font-size: 14.5px;
    line-height: 1.7;
    letter-spacing: 0;
  }
  .anon-inner{
    max-width: var(--max);
    margin: 0 auto;
    padding: 11px var(--gutter);
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .anon-mark{
    flex: 0 0 auto;
    font-size: 11px;
    line-height: 1.1;
    margin-top: 5px;
    color: var(--paper);
    text-shadow: 0 0 6px rgba(243, 231, 203, 0.6);
    animation: anon-pulse 2.6s ease-in-out infinite;
  }
  @keyframes anon-pulse{
    0%, 100% { opacity: 0.55; }
    50%      { opacity: 1; }
  }
  .anon-text em{
    font-style: italic;
    font-weight: 700;
    color: var(--paper);
    text-decoration: underline wavy 1px;
    text-underline-offset: 3px;
  }
  html[data-lang="bn"] .anon-text em{
    font-style: normal;
    text-decoration: none;
    border-bottom: 1.5px solid var(--paper);
    padding-bottom: 1px;
  }
  @media (max-width: 720px){
    .anon-banner{ font-size: 12px; }
    html[data-lang="bn"] .anon-banner{ font-size: 13px; }
    .anon-inner{ padding: 9px 18px; gap: 8px; }
  }

  .band-diamond{
    height: 14px;
    background-image:
      linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%),
      linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%);
    background-size: 14px 14px;
    background-position: 0 0, 7px 7px;
    background-color: transparent;
    mask-image: linear-gradient(to bottom, black 0 1px, transparent 1px 13px, black 13px 14px);
    -webkit-mask-image: linear-gradient(to bottom, black 0 1px, transparent 1px 13px, black 13px 14px);
  }
  .band-dot{
    height: 8px;
    background:
      radial-gradient(circle, var(--ink) 1.5px, transparent 2px) 0 50% / 14px 8px repeat-x;
  }
  .band-double{ height: 8px; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
  .band-triple{
    height: 12px; border-top: 3px solid var(--ink); border-bottom: 1px solid var(--ink);
    box-shadow: inset 0 -4px 0 0 var(--paper), inset 0 -5px 0 0 var(--ink);
  }

  /* ---------- header (sindoor bookend) ---------- */
  header.site{
    background: var(--sindoor);
    color: var(--paper);
    border-bottom: 3px solid var(--ink);
    position: sticky; top: 0; z-index: 60;
  }
  header.site .inner{
    max-width: var(--max); margin: 0 auto;
    padding: 14px var(--gutter);
    display:grid; grid-template-columns: auto 1fr auto;
    align-items: center; gap: 24px;
  }
  .mark{ display:flex; align-items: baseline; gap: 12px; }
  .mark .bn-name{
    font-family: var(--bn); font-weight: 700; font-size: 26px;
    letter-spacing: -0.005em; line-height: 1; color: var(--paper);
  }
  .mark .en-name{
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em;
    text-transform: uppercase; color: color-mix(in oklab, var(--paper) 80%, transparent);
  }
  nav.primary{
    display:flex; gap: clamp(14px, 2.2vw, 32px); justify-content: center; justify-self: center;
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  }
  html[data-lang="bn"] nav.primary{ font-family: var(--bn); font-size: 14px; letter-spacing: 0; text-transform: none; font-weight: 600; }
  nav.primary a{ color: var(--paper); padding: 6px 0; border-bottom: 1px solid transparent; }
  nav.primary a:hover{ border-bottom-color: var(--paper); }

  .lang-toggle{
    display:inline-flex; align-items: center; gap: 0;
    border: 1.5px solid var(--paper);
    background: transparent;
    padding: 0;
    cursor: pointer;
    font-family: var(--mono);
    color: var(--paper);
  }
  .lang-toggle .opt{
    padding: 6px 10px;
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    transition: background .15s ease, color .15s ease;
    line-height: 1;
  }
  .lang-toggle .opt.bn{
    font-family: var(--bn); font-weight: 700; font-size: 14px; letter-spacing: 0; text-transform: none;
    border-left: 1.5px solid var(--paper);
  }
  html[data-lang="en"] .lang-toggle .opt.en{ background: var(--paper); color: var(--sindoor); }
  html[data-lang="bn"] .lang-toggle .opt.bn{ background: var(--paper); color: var(--sindoor); }
  .lang-toggle:hover{ border-color: var(--ink); }

  @media (max-width: 880px){
    nav.primary{ display:none; }
    header.site .inner{ grid-template-columns: auto auto; justify-content: space-between; }
  }

  /* ---------- section frame ---------- */
  section{ padding: clamp(64px, 9vw, 120px) 0; position: relative; }

  .section-num{
    display:inline-flex; align-items: baseline; gap: 18px;
    margin-bottom: 30px;
  }
  .section-num .num{
    font-family: var(--en);
    font-weight: 900;
    font-style: italic;
    font-size: 56px;
    line-height: 0.9;
    color: var(--sindoor);
    letter-spacing: -0.01em;
  }
  html[data-lang="bn"] .section-num .num{
    font-family: var(--bn-serif); font-style: normal; font-weight: 700; font-size: 64px;
  }
  .section-num .lab{
    font-family: var(--mono);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink);
  }
  html[data-lang="bn"] .section-num .lab{
    font-family: var(--bn); font-size: 22px; letter-spacing: 0; text-transform: none; font-weight: 600;
  }

  h1, h2, h3, h4{ margin: 0; font-weight: 500; }

  /* ---------- HERO ---------- */
  .hero{
    background: var(--paper);
    padding-top: clamp(40px, 6vw, 80px);
    padding-bottom: clamp(56px, 8vw, 100px);
    position: relative;
  }
  .hero-frame{
    border-top: 3px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    box-shadow: 0 6px 0 -3px var(--paper), 0 7px 0 -3px var(--ink);
    padding: clamp(28px, 5vw, 60px) 0 clamp(28px, 5vw, 56px);
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }

  /* English headline — Bodoni Moda, with italic tail in sindoor */
  .hero-en h1{
    font-family: var(--en);
    font-weight: 700;
    font-size: clamp(40px, 6.2vw, 88px);
    line-height: 1.0;
    letter-spacing: -0.022em;
    color: var(--ink);
  }
  .hero-en h1 em{
    font-style: italic;
    font-weight: 500;
    color: var(--sindoor);
    display: block;
  }
  .hero-en .sub{
    font-family: var(--en);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(17px, 1.9vw, 22px);
    line-height: 1.35;
    color: var(--ink-2);
    margin-top: clamp(18px, 2.4vw, 28px);
    max-width: 36ch;
  }

  /* Bangla headline — Hind Siliguri 700, sindoor tail */
  .hero-bn h1{
    font-family: var(--bn);
    font-weight: 700;
    font-size: clamp(42px, 6.8vw, 96px);
    line-height: 1.0;
    letter-spacing: -0.018em;
    color: var(--ink);
  }
  .hero-bn h1 .word{ display:block; }
  .hero-bn h1 .word.alt{ color: var(--sindoor); }
  .hero-bn .sub{
    font-family: var(--bn);
    font-weight: 500;
    font-size: clamp(18px, 2vw, 23px);
    line-height: 1.4;
    color: var(--ink-2);
    margin-top: clamp(18px, 2.4vw, 28px);
    max-width: 32ch;
  }

  .hero-side{
    padding-left: clamp(0px, 1.5vw, 24px);
    border-left: 1px solid var(--ink);
    align-self: stretch;
    display:flex; flex-direction: column; gap: 22px; justify-content: flex-end;
  }
  .seal{
    align-self: flex-start;
    width: 132px; height: 132px;
    border-radius: 50%;
    background: var(--sindoor);
    color: var(--paper);
    display:grid; place-items: center;
    text-align: center;
    box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--sindoor);
    transform: rotate(-7deg);
  }
  .seal .inner{
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.28em; line-height: 1.5;
  }
  .seal .ph{
    font-family: var(--bn-serif); font-weight: 700; font-size: 30px; line-height: 1;
    display:block; margin: 6px 0 2px;
  }
  html[data-lang="en"] .seal .ph{ font-family: var(--en); font-style: italic; }
  .seal .ph .num-bn{ font-family: var(--bn-serif); }

  .translator-note{
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-2);
    line-height: 1.7;
  }
  .translator-note .big{
    display:block;
    margin-top: 10px;
    text-transform: none;
    letter-spacing: -0.005em;
    line-height: 1.2;
    color: var(--ink);
  }
  html[data-lang="en"] .translator-note .big{
    font-family: var(--bn);
    font-weight: 600;
    font-size: clamp(18px, 1.8vw, 22px);
  }
  html[data-lang="bn"] .translator-note .big{
    font-family: var(--en);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(18px, 1.8vw, 22px);
  }

  .hero-lede{
    font-size: 16.5px; line-height: 1.65; color: var(--ink-2);
    max-width: 56ch; margin: 0;
  }
  html[data-lang="bn"] .hero-lede{ line-height: 1.78; }

  .cta-row{ display:flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
  .btn{
    display:inline-flex; align-items: center; gap: 14px;
    padding: 16px 22px;
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 600;
    background: var(--ink); color: var(--paper); border: 2px solid var(--ink);
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
  }
  html[data-lang="bn"] .btn{
    font-family: var(--bn); font-size: 15px; letter-spacing: 0; text-transform: none; font-weight: 600;
  }
  .btn:hover{ background: var(--sindoor); border-color: var(--sindoor); }
  .btn.ghost{ background: var(--paper); color: var(--ink); }
  .btn.ghost:hover{ background: var(--ink); color: var(--paper); }
  .btn .arr{ font-family: var(--en); font-style: italic; font-size: 16px; letter-spacing: 0; }

  @media (max-width: 760px){
    .hero-grid{ grid-template-columns: 1fr; align-items: start; }
    .hero-side{ border-left: 0; border-top: 1px solid var(--ink); padding-left: 0; padding-top: 22px; }
    .seal{ width: 110px; height: 110px; }
  }

  /* ---------- MISSION ---------- */
  .mission{ background: var(--paper); padding-bottom: 0; }
  .mission .wrap{ padding-bottom: 0; }
  .mission-blocks{
    display:grid;
    grid-template-columns: 1fr 1fr;
    border: 3px solid var(--ink);
    margin-top: clamp(28px, 4vw, 48px);
  }
  .m-block{
    padding: clamp(28px, 4vw, 56px);
    border-right: 3px solid var(--ink);
  }
  .m-block:last-child{ border-right: 0; }
  .m-block.dark{ background: var(--indigo); color: var(--paper); }
  .m-block .stamp{ color: var(--ink-2); display:block; margin-bottom: 18px; }
  .m-block.dark .stamp{ color: color-mix(in oklab, var(--paper) 70%, transparent); }
  .m-block h3{
    font-family: var(--en);
    font-weight: 700;
    font-size: clamp(28px, 3.4vw, 44px);
    line-height: 1.1;
    margin-bottom: 18px;
    letter-spacing: -0.012em;
  }
  html[data-lang="bn"] .m-block h3{
    font-family: var(--bn); font-weight: 700; font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -0.005em; line-height: 1.18;
  }
  .m-block.dark h3{ color: var(--paper); }
  .m-block h3 em{ font-style: italic; color: var(--sindoor); }
  .m-block.dark h3 em{ color: var(--marigold); }
  .m-block p{
    font-size: 17px; line-height: 1.7; margin: 0 0 14px;
  }
  html[data-lang="bn"] .m-block p{ font-family: var(--bn); line-height: 1.82; }
  .m-block.dark p{ color: color-mix(in oklab, var(--paper) 92%, transparent); }
  @media (max-width: 820px){
    .mission-blocks{ grid-template-columns: 1fr; }
    .m-block{ border-right: 0; border-bottom: 3px solid var(--ink); }
    .m-block:last-child{ border-bottom: 0; }
  }

  /* slogan band */
  .slogan-band{
    background: var(--ink); color: var(--paper);
    padding: clamp(36px, 6vw, 72px) 0;
    border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink);
    overflow: hidden;
  }
  .slogan-band .q1{
    font-family: var(--en);
    font-weight: 500;
    font-style: italic;
    font-size: clamp(30px, 5vw, 64px);
    line-height: 1.05;
    color: var(--paper);
    letter-spacing: -0.01em;
  }
  .slogan-band .q1 .star{ color: var(--sindoor); font-style: normal; }
  .slogan-band .q1 em{ color: var(--sindoor); }
  html[data-lang="bn"] .slogan-band .q1{
    font-family: var(--bn); font-style: normal; font-weight: 700;
    font-size: clamp(34px, 5.6vw, 72px); line-height: 1.1;
  }
  .slogan-band .q2{
    font-family: var(--bn);
    font-weight: 500;
    font-size: clamp(20px, 2.4vw, 30px);
    color: color-mix(in oklab, var(--paper) 75%, transparent);
    margin-top: 18px;
    max-width: 40ch;
  }
  html[data-lang="bn"] .slogan-band .q2{
    font-family: var(--en); font-style: italic;
  }

  /* ---------- RINGS ---------- */
  .rings{ background: var(--paper); padding-top: clamp(72px, 10vw, 130px); }
  .rings-head{
    display:grid; grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 5vw, 64px); align-items: end;
    margin-bottom: clamp(40px, 6vw, 72px);
  }
  .rings-head h2{
    font-family: var(--en); font-weight: 700;
    font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04;
    letter-spacing: -0.015em; color: var(--ink);
  }
  .rings-head h2 em{ font-style: italic; color: var(--sindoor); }
  html[data-lang="bn"] .rings-head h2{
    font-family: var(--bn); font-weight: 700; letter-spacing: -0.005em; line-height: 1.1;
  }
  html[data-lang="bn"] .rings-head h2 em{ font-style: normal; }
  .rings-head .en-note{
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--ink-2);
    line-height: 1.7;
  }
  .rings-head .en-note .big{
    display:block; margin-top: 8px; text-transform: none; letter-spacing: 0;
    line-height: 1.3;
  }
  html[data-lang="en"] .rings-head .en-note .big{ font-family: var(--bn); font-weight: 600; font-size: 22px; color: var(--ink); }
  html[data-lang="bn"] .rings-head .en-note .big{ font-family: var(--en); font-style: italic; font-size: 22px; color: var(--ink); }

  .rings-layout{
    display:grid;
    grid-template-columns: minmax(0, 1fr) 1.05fr;
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
  .ring-figure{
    aspect-ratio: 1 / 1;
    background: var(--paper-2);
    border: 3px solid var(--ink);
    position: relative;
    overflow: hidden;
  }
  .ring-figure svg{ width: 100%; height: 100%; display: block; }
  .ring-figure .never-stamp{
    position: absolute; left: -8%; right: -8%; bottom: 7%;
    transform: rotate(-3.5deg);
    background: var(--sindoor);
    color: var(--paper);
    text-align: center;
    padding: 14px 12px 12px;
    box-shadow: 0 0 0 2px var(--ink);
  }
  .ring-figure .never-stamp .big{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(20px, 2.4vw, 30px); line-height: 1.1; letter-spacing: -0.005em;
  }
  html[data-lang="bn"] .ring-figure .never-stamp .big{
    font-family: var(--bn); font-style: normal; line-height: 1.15;
  }
  .ring-figure .never-stamp .sub{
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase;
    margin-top: 4px; opacity: 0.95;
  }
  html[data-lang="bn"] .ring-figure .never-stamp .sub{
    font-family: var(--bn); font-size: 13px; letter-spacing: 0; text-transform: none; font-weight: 500;
  }

  .ring-list{ display:flex; flex-direction: column; }
  .ring-row{
    padding: 22px 0;
    border-bottom: 1px solid var(--ink);
    display:grid; grid-template-columns: 86px 1fr; gap: 22px;
  }
  .ring-row:first-child{ border-top: 3px solid var(--ink); }
  .ring-row .idx{
    font-family: var(--en); font-style: italic; font-weight: 700;
    font-size: 42px; line-height: 0.95; color: var(--sindoor);
  }
  html[data-lang="bn"] .ring-row .idx{ font-family: var(--bn-serif); font-style: normal; font-size: 44px; }
  .ring-row .idx small{
    display:block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em;
    color: var(--ink-2); margin-top: 4px; font-style: normal; font-weight: 500;
  }
  html[data-lang="bn"] .ring-row .idx small{ font-family: var(--bn); letter-spacing: 0; font-size: 12px; }
  .ring-row h3{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(20px, 2.2vw, 28px); line-height: 1.18; color: var(--ink);
    margin-bottom: 6px; letter-spacing: -0.005em;
  }
  html[data-lang="bn"] .ring-row h3{ font-family: var(--bn); font-style: normal; line-height: 1.22; }
  .ring-row p{ margin: 0; color: var(--ink-2); font-size: 16px; line-height: 1.65; }
  html[data-lang="bn"] .ring-row p{ font-family: var(--bn); line-height: 1.82; }

  .ring-row.never{
    background: var(--sindoor);
    color: var(--paper);
    padding: 22px;
    margin: 6px 0 0;
    border-bottom: 0;
  }
  .ring-row.never .idx{ color: var(--paper); }
  .ring-row.never .idx small{ color: color-mix(in oklab, var(--paper) 70%, transparent); }
  .ring-row.never h3{ color: var(--paper); }
  .ring-row.never p{ color: color-mix(in oklab, var(--paper) 92%, transparent); }

  @media (max-width: 900px){
    .rings-head{ grid-template-columns: 1fr; }
    .rings-layout{ grid-template-columns: 1fr; }
    .ring-figure{ max-width: 520px; }
  }

  /* ---------- BUILDING ---------- */
  .building{ background: var(--paper); padding-top: clamp(72px, 10vw, 130px); }
  .building h2.h{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04;
    letter-spacing: -0.015em; color: var(--ink);
    margin-bottom: 14px;
  }
  html[data-lang="bn"] .building h2.h{ font-family: var(--bn); font-style: normal; font-weight: 700; line-height: 1.1; }
  .building h2.h em{ font-style: italic; color: var(--sindoor); }
  html[data-lang="bn"] .building h2.h em{ font-style: normal; }
  .building .sub-h{
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--ink-2);
    margin-bottom: clamp(40px, 5vw, 64px);
  }
  html[data-lang="bn"] .building .sub-h{ font-family: var(--bn); font-size: 17px; letter-spacing: 0; text-transform: none; }

  .plates{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    border: 3px solid var(--ink);
  }
  .plate{
    padding: clamp(24px, 2.8vw, 36px);
    border-right: 1px solid var(--ink);
    display:flex; flex-direction: column; gap: 18px; position: relative;
    min-height: 440px;
  }
  .plate:last-child{ border-right: 0; }
  .plate .pnum{
    font-family: var(--en); font-style: italic; font-weight: 900;
    font-size: 96px; line-height: 0.85; color: var(--ink);
  }
  html[data-lang="bn"] .plate .pnum{ font-family: var(--bn-serif); font-style: normal; font-weight: 700; font-size: 104px; }
  .plate h3{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: 22px; line-height: 1.18; color: var(--ink); letter-spacing: -0.005em;
  }
  html[data-lang="bn"] .plate h3{ font-family: var(--bn); font-style: normal; line-height: 1.22; }
  .plate p{
    margin: 0; font-size: 15.5px; line-height: 1.6; color: var(--ink-2);
  }
  html[data-lang="bn"] .plate p{ font-family: var(--bn); line-height: 1.78; }
  .plate .ico{
    margin-top: auto; height: 90px;
    border-top: 1px solid var(--ink); padding-top: 16px;
    color: var(--ink);
  }
  .plate:nth-child(2){ background: var(--paper-2); }
  .plate:nth-child(4){ background: var(--paper-2); }
  @media (max-width: 900px){
    .plates{ grid-template-columns: 1fr 1fr; }
    .plate{ border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
    .plate:nth-child(2n){ border-right: 0; }
    .plate:nth-last-child(-n+2){ border-bottom: 0; }
  }
  @media (max-width: 560px){
    .plates{ grid-template-columns: 1fr; }
    .plate{ border-right: 0; border-bottom: 1px solid var(--ink); min-height: 0; }
    .plate:last-child{ border-bottom: 0; }
  }

  /* ---------- PHASES ---------- */
  .phases{ background: var(--indigo); color: var(--paper); padding-top: clamp(72px, 10vw, 130px); }
  .phases .section-num .num{ color: var(--marigold); }
  .phases .section-num .lab{ color: var(--paper); }
  .phases h2.h{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04;
    color: var(--paper); letter-spacing: -0.015em;
    margin-bottom: 12px;
  }
  html[data-lang="bn"] .phases h2.h{ font-family: var(--bn); font-style: normal; font-weight: 700; line-height: 1.1; }
  .phases h2.h em{ font-style: italic; color: var(--marigold); }
  html[data-lang="bn"] .phases h2.h em{ font-style: normal; }
  .phases .sub-h{
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em;
    text-transform: uppercase; color: color-mix(in oklab, var(--paper) 75%, transparent);
    margin-bottom: clamp(40px, 5vw, 64px);
  }
  html[data-lang="bn"] .phases .sub-h{ font-family: var(--bn); font-size: 17px; letter-spacing: 0; text-transform: none; }

  .ladder{ display:flex; flex-direction: column; border-top: 1px solid color-mix(in oklab, var(--paper) 35%, transparent); }
  .rung{
    display:grid;
    grid-template-columns: 130px 220px 1fr 130px;
    gap: 28px;
    padding: 24px 0;
    border-bottom: 1px solid color-mix(in oklab, var(--paper) 25%, transparent);
    align-items: baseline;
  }
  .rung .ph{
    font-family: var(--en); font-style: italic; font-weight: 700;
    font-size: 32px; line-height: 1; color: var(--paper);
  }
  html[data-lang="bn"] .rung .ph{ font-family: var(--bn-serif); font-style: normal; font-size: 28px; }
  .rung .ph small{
    display:block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em;
    color: color-mix(in oklab, var(--paper) 60%, transparent); margin-top: 6px; font-weight: 500;
  }
  html[data-lang="bn"] .rung .ph small{ font-family: var(--bn); letter-spacing: 0; font-size: 12px; }
  .rung .ttl{
    font-family: var(--en); font-style: italic; font-weight: 500; font-size: 20px;
    color: var(--paper); line-height: 1.2;
  }
  html[data-lang="bn"] .rung .ttl{ font-family: var(--bn); font-style: normal; font-weight: 600; line-height: 1.3; }
  .rung p{
    margin:0; font-size: 15px; color: color-mix(in oklab, var(--paper) 85%, transparent); line-height: 1.6;
  }
  html[data-lang="bn"] .rung p{ font-family: var(--bn); line-height: 1.78; }
  .rung .when{
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em; text-align: right;
    color: color-mix(in oklab, var(--paper) 70%, transparent);
  }
  .rung.now{
    background: color-mix(in oklab, var(--paper) 12%, transparent);
    margin: 0 calc(-1 * var(--gutter));
    padding: 26px var(--gutter);
    position: relative;
  }
  .rung.now::before{
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--sindoor);
  }
  .rung.now .ph{ color: var(--marigold); }
  .rung.now .here{
    display:inline-block; background: var(--sindoor); color: var(--paper);
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
    padding: 5px 9px; margin-bottom: 10px;
  }
  html[data-lang="bn"] .rung.now .here{ font-family: var(--bn); letter-spacing: 0; text-transform: none; font-size: 12px; font-weight: 600; }
  @media (max-width: 900px){
    .rung{ grid-template-columns: 1fr; gap: 6px; }
    .rung .when{ text-align: left; }
  }

  /* ---------- INVOLVE ---------- */
  .involve{ background: var(--paper); padding-top: clamp(72px, 10vw, 130px); }
  .involve h2.h{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04;
    color: var(--ink); letter-spacing: -0.015em;
    margin-bottom: 12px;
  }
  html[data-lang="bn"] .involve h2.h{ font-family: var(--bn); font-style: normal; font-weight: 700; line-height: 1.1; }
  .involve h2.h em{ font-style: italic; color: var(--sindoor); }
  html[data-lang="bn"] .involve h2.h em{ font-style: normal; }
  .involve .sub-h{
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--ink-2);
    margin-bottom: clamp(40px, 5vw, 64px);
  }
  html[data-lang="bn"] .involve .sub-h{ font-family: var(--bn); font-size: 17px; letter-spacing: 0; text-transform: none; }

  .roles{ border: 3px solid var(--ink); }
  .role{
    display:grid;
    grid-template-columns: 84px 1.1fr 1.6fr minmax(0, 200px);
    gap: 24px;
    padding: 22px clamp(20px, 3vw, 36px);
    border-bottom: 1px solid var(--ink);
    align-items: center;
  }
  .role:last-child{ border-bottom: 0; }
  .role .n{
    font-family: var(--en); font-style: italic; font-weight: 900;
    font-size: 38px; line-height: 1; color: var(--ink);
  }
  html[data-lang="bn"] .role .n{ font-family: var(--bn-serif); font-style: normal; font-weight: 700; font-size: 40px; }
  .role .who{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: 21px; line-height: 1.18; color: var(--ink); letter-spacing: -0.005em;
  }
  html[data-lang="bn"] .role .who{ font-family: var(--bn); font-style: normal; line-height: 1.22; }
  .role p{ margin: 0; font-size: 15.5px; line-height: 1.6; color: var(--ink-2); }
  html[data-lang="bn"] .role p{ font-family: var(--bn); line-height: 1.78; }
  .role .write{
    text-align: right;
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 4px; justify-self: end;
    overflow-wrap: anywhere; max-width: 100%;
  }
  .role .write:hover{ color: var(--sindoor); border-bottom-color: var(--sindoor); }
  .role:nth-child(odd){ background: color-mix(in oklab, var(--paper-2) 60%, var(--paper) 40%); }
  .role.accent{ background: var(--sindoor); color: var(--paper); }
  .role.accent .n,
  .role.accent .who{ color: var(--paper); }
  .role.accent p{ color: color-mix(in oklab, var(--paper) 92%, transparent); }
  .role.accent .write{ color: var(--paper); border-bottom-color: var(--paper); }
  .role.accent .write:hover{ color: var(--ink); border-bottom-color: var(--ink); }
  @media (max-width: 900px){
    .role{ grid-template-columns: 64px 1fr; gap: 10px 16px; }
    .role p{ grid-column: 1 / -1; }
    .role .write{ grid-column: 1 / -1; text-align: left; justify-self: start; }
  }

  /* ---------- CONTACT ---------- */
  .contact{ background: var(--ink); color: var(--paper); padding-top: clamp(72px, 10vw, 130px); }
  .contact .section-num .num{ color: var(--sindoor); }
  .contact .section-num .lab{ color: var(--paper); }
  .contact h2.h{
    font-family: var(--en); font-weight: 700; font-style: italic;
    font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04;
    color: var(--paper); letter-spacing: -0.015em;
    margin-bottom: 12px;
  }
  html[data-lang="bn"] .contact h2.h{ font-family: var(--bn); font-style: normal; font-weight: 700; line-height: 1.1; }
  .contact h2.h em{ font-style: italic; color: var(--sindoor); }
  html[data-lang="bn"] .contact h2.h em{ font-style: normal; }
  .contact .sub-h{
    font-family: var(--en); font-style: italic; font-size: clamp(18px, 1.8vw, 22px);
    color: color-mix(in oklab, var(--paper) 75%, transparent);
    margin-bottom: clamp(36px, 5vw, 56px); max-width: 60ch; line-height: 1.4;
  }
  html[data-lang="bn"] .contact .sub-h{ font-family: var(--bn); font-style: normal; line-height: 1.7; }

  .contact-grid{
    display:grid;
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }
  form.subscribe{
    background: var(--paper); color: var(--ink);
    padding: clamp(28px, 4vw, 44px);
    border: 3px solid var(--paper);
    position: relative;
  }
  form.subscribe::before{
    content: ""; position: absolute; inset: -10px;
    border: 1px dashed color-mix(in oklab, var(--paper) 35%, transparent);
    pointer-events: none;
  }
  form.subscribe .head{
    display:flex; justify-content: space-between; align-items: baseline; gap: 20px;
    margin-bottom: 22px; padding-bottom: 14px; border-bottom: 2px solid var(--ink);
  }
  form.subscribe .head .ttl{
    font-family: var(--en); font-weight: 700; font-style: italic; font-size: 22px; line-height: 1.1;
  }
  html[data-lang="bn"] form.subscribe .head .ttl{ font-family: var(--bn); font-style: normal; }
  form.subscribe .head .ref{
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.22em; color: var(--ink-2);
  }
  .field{ display:flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
  .field label{
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--ink-2);
  }
  html[data-lang="bn"] .field label{ font-family: var(--bn); font-size: 13px; letter-spacing: 0; text-transform: none; font-weight: 600; }
  .field input, .field select, .field textarea{
    background: transparent; border: 0;
    border-bottom: 1.5px solid var(--ink);
    font-family: var(--en); font-size: 17px;
    color: var(--ink);
    padding: 6px 0 8px;
    outline: 0; border-radius: 0;
  }
  html[data-lang="bn"] .field input, html[data-lang="bn"] .field select, html[data-lang="bn"] .field textarea{ font-family: var(--bn); }
  .field input:focus, .field select:focus, .field textarea:focus{ border-bottom-color: var(--sindoor); }
  .field textarea{ resize: vertical; min-height: 100px; line-height: 1.55; }
  .field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  @media (max-width: 600px){ .field-row{ grid-template-columns: 1fr; } }
  .field.role-pick select{
    appearance:none; -webkit-appearance: none; padding-right: 26px;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
    background-position: calc(100% - 14px) 18px, calc(100% - 8px) 18px;
    background-size: 6px 6px;
    background-repeat: no-repeat;
  }
  .pot{ position:absolute; left:-9999px; opacity:0; pointer-events:none; }
  .submit-row{
    display:flex; align-items: center; justify-content: space-between; gap: 18px;
    margin-top: 22px; padding-top: 18px; border-top: 2px solid var(--ink); flex-wrap: wrap;
  }
  .btn.send{ background: var(--sindoor); border-color: var(--sindoor); color: var(--paper); }
  .btn.send:hover{ background: var(--ink); border-color: var(--ink); color: var(--paper); }
  .submit-note{ font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--ink-2); }
  html[data-lang="bn"] .submit-note{ font-family: var(--bn); font-size: 13px; letter-spacing: 0; }
  .form-msg{
    display:none;
    background: var(--ink); color: var(--paper);
    padding: 16px;
    font-size: 15.5px; line-height: 1.55;
    margin-top: 18px;
  }
  .form-msg.show{ display:block; }

  .or-write h4{
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
    color: color-mix(in oklab, var(--paper) 65%, transparent); margin: 0 0 22px;
  }
  html[data-lang="bn"] .or-write h4{ font-family: var(--bn); font-size: 17px; letter-spacing: 0; text-transform: none; font-weight: 600; }
  .or-write ul{
    list-style: none; padding: 0; margin: 0;
    border-top: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
  }
  .or-write li{
    display:grid; grid-template-columns: 110px minmax(0, 1fr); gap: 14px;
    padding: 14px 0; border-bottom: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
    align-items: baseline;
  }
  .or-write li .who{
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
    color: color-mix(in oklab, var(--paper) 70%, transparent);
  }
  html[data-lang="bn"] .or-write li .who{ font-family: var(--bn); font-size: 14px; letter-spacing: 0; text-transform: none; font-weight: 600; }
  .or-write li .mail{
    font-family: var(--en); font-style: italic; font-size: 18px; color: var(--paper);
    min-width: 0; overflow-wrap: anywhere;
  }
  .or-write li .mail:hover{ color: var(--sindoor); }
  @media (max-width: 900px){
    .contact-grid{ grid-template-columns: 1fr; }
  }

  /* ---------- FOOTER ---------- */
  footer.site{ background: var(--sindoor); color: var(--paper); border-top: 3px solid var(--ink); }
  footer .inner{ max-width: var(--max); margin: 0 auto; padding: clamp(40px, 6vw, 64px) var(--gutter) 28px; }
  .foot-row{
    display:grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px; margin-bottom: 40px;
  }
  .foot-row .brand .bn-mark{
    font-family: var(--bn); font-weight: 700; font-size: 48px; line-height: 1; letter-spacing: -0.01em;
  }
  .foot-row .brand .en-mark{
    font-family: var(--en); font-style: italic; font-weight: 700; font-size: 24px; line-height: 1;
    margin-top: 4px;
  }
  .foot-row .brand .lab{
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; margin-top: 10px;
  }
  .foot-row .brand p{
    margin: 18px 0 0; font-size: 14.5px; line-height: 1.6;
    color: color-mix(in oklab, var(--paper) 92%, transparent);
    max-width: 36ch;
  }
  html[data-lang="bn"] .foot-row .brand p{ font-family: var(--bn); line-height: 1.78; }
  .foot-col h5{
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
    color: color-mix(in oklab, var(--paper) 70%, transparent); margin: 0 0 14px;
  }
  html[data-lang="bn"] .foot-col h5{ font-family: var(--bn); font-size: 14px; letter-spacing: 0; text-transform: none; font-weight: 600; }
  .foot-col ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction: column; gap: 6px; }
  .foot-col a{ color: var(--paper); font-size: 15px; }
  html[data-lang="bn"] .foot-col a{ font-family: var(--bn); }
  .foot-col a:hover{ color: var(--ink); }
  .licenses{
    border-top: 1px solid color-mix(in oklab, var(--paper) 35%, transparent);
    padding-top: 18px;
    display:flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
    color: color-mix(in oklab, var(--paper) 85%, transparent); text-transform: uppercase;
  }
  html[data-lang="bn"] .licenses{ font-family: var(--bn); font-size: 13px; letter-spacing: 0; text-transform: none; }
  .licenses .made{ color: var(--paper); }
  @media (max-width: 820px){ .foot-row{ grid-template-columns: 1fr 1fr; } }
  @media (max-width: 520px){ .foot-row{ grid-template-columns: 1fr; } }

  @media (prefers-reduced-motion: reduce){
    *{ transition: none !important; animation: none !important; }
  }