/* ==========================================================================
   HS Group — design system
   Light ivory pages, navy depth, gold detail. Cormorant Garamond + Inter.
   ========================================================================== */

:root{
  /* surfaces */
  --ivory:#F7F4EE;
  --paper:#FBF9F5;
  --white:#FFFFFF;
  --sand:#EFE9DE;
  /* ink */
  --ink:#0D1524;
  --ink-2:#3A4456;
  --ink-3:#626B7C;
  /* navy */
  --navy:#0B1B2E;
  --navy-2:#102640;
  --navy-3:#18355A;
  /* gold */
  --gold:#B08A3E;
  --gold-ink:#7E5F22;      /* gold text on light — 5:1 on ivory */
  --gold-bright:#E2B54E;   /* gold on navy */
  --gold-soft:#F1E3C1;
  /* lines */
  --line:rgba(13,21,36,.10);
  --line-2:rgba(13,21,36,.16);
  --line-gold:rgba(176,138,62,.38);
  --line-light:rgba(255,255,255,.14);

  --serif:"Cormorant Garamond", "Noto Serif Bengali", Georgia, "Times New Roman", serif;
  --sans:"Inter", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --maxw:1240px;
  --gutter:clamp(20px, 4vw, 48px);
  --radius:6px;
  --radius-lg:14px;
  --shadow-sm:0 1px 2px rgba(13,21,36,.06), 0 4px 14px rgba(13,21,36,.05);
  --shadow:0 2px 6px rgba(13,21,36,.05), 0 24px 60px -18px rgba(13,21,36,.22);
  --shadow-lg:0 40px 90px -30px rgba(11,27,46,.45);

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{
  margin:0;background:var(--ivory);color:var(--ink-2);
  font:400 1rem/1.7 var(--sans);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--serif);font-weight:500;font-optical-sizing:auto}
ul,ol{margin:0;padding:0;list-style:none}
html{font-variant-numeric:lining-nums proportional-nums}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--gold-soft);color:var(--ink)}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:3px}

.skip{position:absolute;left:-999px;top:12px;z-index:200;background:var(--navy);color:#fff;padding:10px 16px;border-radius:4px}
.skip:focus{left:12px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.wrap-narrow{max-width:880px}

/* ---------- Type scale (tracking tightens as size grows) ---------- */
.display{font-size:clamp(2.7rem, 6.4vw, 5.6rem);line-height:1.02;letter-spacing:-.02em;font-weight:500}
.h1{font-size:clamp(2.4rem, 5vw, 4.25rem);line-height:1.05;letter-spacing:-.018em}
.h2{font-size:clamp(2rem, 3.8vw, 3.25rem);line-height:1.08;letter-spacing:-.014em}
.h3{font-size:clamp(1.5rem, 2.2vw, 2rem);line-height:1.15;letter-spacing:-.008em}
.h4{font-size:1.35rem;line-height:1.25}
.lede{font-size:clamp(1.08rem, 1.4vw, 1.25rem);line-height:1.7;color:var(--ink-2);max-width:62ch}
.statement{font-family:var(--serif);font-size:clamp(1.65rem, 3vw, 2.6rem);line-height:1.3;letter-spacing:-.01em;color:var(--ink);font-weight:400}
.statement em{font-style:italic;color:var(--gold-ink)}
.small{font-size:.875rem}
.muted{color:var(--ink-3)}
em.gold{font-style:italic;color:var(--gold-ink)}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font:600 .74rem/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--gold-ink);
  margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.7}
.eyebrow .num{font:600 .74rem/1 var(--sans);letter-spacing:.12em;padding-right:12px;border-right:1px solid currentColor;opacity:.85}
.on-dark .eyebrow{color:var(--gold-bright)}

.rule{height:1px;background:var(--line);border:0;margin:0}
.rule-gold{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.55}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--navy);--fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 28px;border-radius:999px;
  background:var(--bg);color:var(--fg);
  font:600 .9rem/1 var(--sans);letter-spacing:.04em;
  border:1px solid transparent;cursor:pointer;
  transition:background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .3s var(--ease), transform .12s ease-out;
  -webkit-tap-highlight-color:transparent;
}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:scale(.97);transition-duration:.08s}
.btn:hover{box-shadow:0 10px 26px -10px rgba(11,27,46,.55)}
.btn-gold{--bg:var(--gold-bright);--fg:#000}
.btn-gold:hover{--bg:#EBC062;box-shadow:0 12px 30px -10px rgba(226,181,78,.7)}
.btn-ghost{--bg:transparent;--fg:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{--bg:var(--white);border-color:var(--ink);box-shadow:none}
.on-dark .btn-ghost{--fg:#fff;border-color:rgba(255,255,255,.45)}
.on-dark .btn-ghost:hover{--bg:rgba(255,255,255,.1);border-color:#fff}
.btn-sm{min-height:42px;padding:0 20px;font-size:.84rem}

.link{
  display:inline-flex;align-items:center;gap:8px;
  font:600 .88rem/1 var(--sans);letter-spacing:.03em;color:var(--ink);
  padding-bottom:6px;border-bottom:1px solid var(--line-gold);
  transition:border-color .25s var(--ease), color .25s var(--ease);
}
.link svg{width:14px;height:14px;transition:transform .3s var(--ease)}
.link:hover{border-color:var(--gold);color:var(--gold-ink)}
.link:hover svg{transform:translateX(3px)}
.on-dark .link{color:#fff;border-color:rgba(226,181,78,.5)}
.on-dark .link:hover{color:var(--gold-bright)}

/* ==========================================================================
   Header — translucent glass, content scrolls underneath
   ========================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  color:var(--ink);
  transition:background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease);
}
.site-header::after{ /* soft scroll-edge instead of a hard divider */
  content:"";position:absolute;left:0;right:0;bottom:-18px;height:18px;pointer-events:none;
  background:linear-gradient(rgba(247,244,238,.6),transparent);opacity:0;transition:opacity .35s var(--ease);
}
.site-header.is-glass{
  background:rgba(251,249,245,.74);
  -webkit-backdrop-filter:blur(20px) saturate(170%);backdrop-filter:blur(20px) saturate(170%);
  box-shadow:inset 0 -1px 0 rgba(13,21,36,.06);
}
.site-header.is-glass::after{opacity:1}
.site-header.is-over-dark:not(.is-glass){color:#fff}
.site-header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand .crest{width:42px;height:42px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font:600 1.32rem/1 var(--serif);letter-spacing:.02em}
.brand-text span{font:600 .62rem/1 var(--sans);letter-spacing:.26em;text-transform:uppercase;margin-top:6px;opacity:.72}

.nav{display:flex;align-items:center;gap:6px}
.nav > a, .nav .dd > button{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 14px;font:500 .9rem/1 var(--sans);letter-spacing:.01em;border-radius:999px;
  transition:background .2s var(--ease), color .2s var(--ease);
}
.nav > a:hover, .nav .dd > button:hover{background:rgba(13,21,36,.05)}
.is-over-dark:not(.is-glass) .nav > a:hover, .is-over-dark:not(.is-glass) .nav .dd > button:hover{background:rgba(255,255,255,.12)}
.nav > a[aria-current="page"]::after, .nav .dd.is-current > button::after{
  content:"";position:absolute;left:14px;right:14px;bottom:7px;height:1px;background:var(--gold);
}
.nav .dd > button svg{width:12px;height:12px;transition:transform .3s var(--ease)}
.nav .dd.is-open > button svg{transform:rotate(180deg)}
.nav .btn{margin-left:10px}

.dd{position:relative}
.dd-panel{
  position:absolute;top:calc(100% + 10px);left:50%;width:min(560px, 90vw);
  transform:translate(-50%, -6px) scale(.98);transform-origin:top center; /* grows from its trigger */
  opacity:0;visibility:hidden;pointer-events:none;
  background:rgba(251,249,245,.94);
  -webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.9);
  padding:14px;color:var(--ink);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
  transition:opacity .22s var(--ease), transform .3s var(--ease-out), visibility 0s linear .3s;
}
.dd.is-open .dd-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0) scale(1);transition-delay:0s}
.dd-panel a{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:10px;transition:background .2s var(--ease)}
.dd-panel a:hover{background:var(--white)}
.dd-panel .crest{width:36px;height:36px;flex:0 0 auto}
.dd-panel b{display:block;font:600 1.12rem/1.15 var(--serif);color:var(--ink)}
.dd-panel small{display:block;font-size:.78rem;line-height:1.4;color:var(--ink-3);margin-top:3px}
.dd-panel .all{grid-column:1/-1;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-radius:0 0 8px 8px;margin-top:6px;font:600 .82rem/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--gold-ink)}

.lang{
  display:inline-flex;align-items:center;height:36px;padding:3px;border-radius:999px;
  border:1px solid var(--line-2);margin-left:6px;
}
.is-over-dark:not(.is-glass) .lang{border-color:rgba(255,255,255,.35)}
.lang button{height:28px;min-width:40px;padding:0 10px;border-radius:999px;font:600 .74rem/1 var(--sans);letter-spacing:.06em;transition:background .2s var(--ease), color .2s var(--ease)}
.lang button[aria-pressed="true"]{background:var(--navy);color:#fff}
.is-over-dark:not(.is-glass) .lang button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.lang button[data-set="bn"]{font-family:"Hind Siliguri",var(--sans);font-size:.82rem}

.menu-btn{display:none;width:46px;height:46px;border-radius:999px;align-items:center;justify-content:center}
.menu-btn span{position:relative;width:20px;height:1.5px;background:currentColor;border-radius:2px}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:20px;height:1.5px;background:currentColor;border-radius:2px}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}

/* Mobile sheet — enters from the right, leaves to the right */
.scrim{position:fixed;inset:0;z-index:110;background:rgba(11,27,46,.42);opacity:0;visibility:hidden;transition:opacity .35s var(--ease), visibility 0s linear .35s}
.sheet{
  position:fixed;top:0;right:0;bottom:0;z-index:120;width:min(420px, 88vw);
  background:var(--paper);box-shadow:var(--shadow-lg);
  transform:translateX(104%);visibility:hidden;transition:transform .5s var(--ease-out), visibility 0s linear .5s;
  display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain;
  padding:20px 26px 32px;
}
body.menu-open{overflow:hidden}
body.menu-open .scrim{opacity:1;visibility:visible;transition-delay:0s}
body.menu-open .sheet{transform:none;visibility:visible;transition-delay:0s}
.sheet-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.sheet-close{width:46px;height:46px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--line-2)}
.sheet-close svg{width:18px;height:18px}
.sheet nav a{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);font:500 1.6rem/1.1 var(--serif);color:var(--ink)}
.sheet nav a small{font:600 .68rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.sheet nav .sub a{font-size:1.15rem;padding:12px 0 12px 16px;color:var(--ink-2)}
.sheet .btn{margin-top:26px;width:100%}
.sheet .lang{align-self:flex-start;margin:24px 0 0}
.sheet-contact{margin-top:auto;padding-top:28px;font-size:.9rem;color:var(--ink-3)}
.sheet-contact a{display:block;color:var(--ink);padding:4px 0}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;min-height:min(100svh, 980px);display:flex;align-items:flex-end;
  color:#fff;background:var(--navy);overflow:hidden;isolation:isolate;
}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);animation:heroIn 2.4s var(--ease-out) both}
@keyframes heroIn{from{transform:scale(1.12);opacity:.4}to{transform:scale(1.04);opacity:1}}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg, rgba(11,27,46,.55) 0%, rgba(11,27,46,.12) 30%, rgba(11,27,46,.35) 55%, rgba(8,18,32,.92) 100%),
    linear-gradient(90deg, rgba(8,18,32,.7) 0%, rgba(8,18,32,0) 65%);
}
.hero .wrap{padding-top:calc(var(--header-h) + 60px);padding-bottom:clamp(48px, 8vh, 90px)}
.hero h1{color:#fff;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--gold-bright)}
.hero .lede{color:rgba(255,255,255,.86);margin:26px 0 36px;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-foot{
  margin-top:clamp(48px, 8vh, 90px);padding-top:26px;border-top:1px solid var(--line-light);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;
}
.hero-foot ul{display:flex;flex-wrap:wrap;gap:10px 30px}
.hero-foot li{font:500 1.15rem/1 var(--serif);letter-spacing:.02em;color:rgba(255,255,255,.9);display:flex;align-items:center;gap:30px}
.hero-foot li:not(:last-child)::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--gold-bright);margin-right:-17px}
.hero-foot .loc{font:600 .7rem/1.6 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.7)}

/* page hero (inner pages) */
.page-hero{min-height:min(78svh, 760px)}
.page-hero h1{max-width:18ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font:600 .7rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:26px}
.crumbs a:hover{color:#fff}
.crumbs span[aria-hidden]{opacity:.5}

/* ==========================================================================
   Sections
   ========================================================================== */
.section{padding:clamp(80px, 11vw, 150px) 0;position:relative}
.section-tight{padding:clamp(60px, 8vw, 100px) 0}
.bg-paper{background:var(--paper)}
.bg-white{background:var(--white)}
.bg-sand{background:var(--sand)}
.bg-navy{background:var(--navy);color:rgba(255,255,255,.8)}
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-navy h4{color:#fff}
.bg-navy .lede{color:rgba(255,255,255,.78)}
.bg-navy .muted{color:rgba(255,255,255,.6)}
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:#fff}
.on-dark .lede,.on-dark p{color:rgba(255,255,255,.82)}
.on-dark .h2 em,.on-dark .h1 em{color:var(--gold-bright)}

.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 64px;align-items:end;margin-bottom:clamp(44px, 6vw, 72px)}
.head .lede{margin:0}
.head-center{text-align:center;display:block;max-width:780px;margin-left:auto;margin-right:auto}
.head-center .eyebrow{justify-content:center}
.head-center .lede{margin:22px auto 0}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,80px);align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:34px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font:300 clamp(2.5rem,4.4vw,3.7rem)/1 var(--sans);letter-spacing:-.045em;color:var(--ink)}
.stat b sup{font-size:.45em;color:var(--gold-ink);vertical-align:top;margin-left:2px;position:relative;top:.4em}
.stat span{display:block;margin-top:14px;font-size:.88rem;line-height:1.5;color:var(--ink-3);max-width:22ch}

/* ---------- Media frames ---------- */
.frame{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--sand)}
.frame img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease-out)}
a:hover .frame img, .frame.zoom:hover img{transform:scale(1.045)}
.ratio-4x5{aspect-ratio:4/5}.ratio-3x2{aspect-ratio:3/2}.ratio-16x9{aspect-ratio:16/9}.ratio-1{aspect-ratio:1}.ratio-5x4{aspect-ratio:5/4}

.portrait-card{position:relative;max-width:440px}
.portrait-card .frame{aspect-ratio:3/4;background:#fff;box-shadow:var(--shadow)}
.portrait-card .frame img{object-position:center top}
.portrait-card::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:1px solid var(--line-gold);border-radius:var(--radius);z-index:-1}
.portrait-card figcaption{margin-top:22px;display:flex;justify-content:space-between;gap:12px;align-items:baseline;border-top:1px solid var(--line);padding-top:16px}
.portrait-card figcaption b{font:600 1.25rem/1.2 var(--serif);color:var(--ink)}
.portrait-card figcaption span{font:600 .68rem/1.3 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);text-align:right}

.signature{font:italic 400 2.1rem/1 var(--serif);color:var(--ink);margin-top:28px}
.sig-meta{font:600 .7rem/1.6 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);margin-top:10px}

blockquote{margin:0}
.quote{position:relative;padding-left:clamp(26px,4vw,44px);border-left:1px solid var(--gold)}
.quote p{font:italic 400 clamp(1.5rem,2.6vw,2.15rem)/1.35 var(--serif);color:var(--ink);margin-bottom:18px}
.quote cite{font:600 .72rem/1 var(--sans);font-style:normal;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.bg-navy .quote p{color:#fff}
.bg-navy .quote cite{color:var(--gold-bright)}
.on-dark .quote p{color:#fff}
.on-dark .quote cite{color:var(--gold-bright)}

/* ---------- Company cards ---------- */
.co-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.co-card{position:relative;display:flex;flex-direction:column;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .45s var(--ease), transform .45s var(--ease)}
.co-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.co-card .frame{border-radius:0;aspect-ratio:16/10}
.co-card .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,18,32,.55))}
.co-card .badge{position:absolute;left:24px;bottom:22px;z-index:2;display:flex;align-items:center;gap:12px;color:#fff}
.co-card .badge .crest{width:52px;height:52px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.35))}
.co-card .badge small{font:600 .66rem/1.4 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.88)}
.co-body{padding:30px 30px 32px;display:flex;flex-direction:column;flex:1}
.co-body h3{font-size:2rem;line-height:1.1;letter-spacing:-.01em}
.co-body .dba{font:italic 400 1.1rem/1.2 var(--serif);color:var(--gold-ink);margin-top:4px}
.co-body .where{display:flex;align-items:center;gap:8px;margin:12px 0 16px;font:600 .72rem/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.co-body .where svg{width:14px;height:14px;color:var(--gold)}
.co-body p{color:var(--ink-2)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 24px}
.tags li{font:500 .78rem/1 var(--sans);padding:8px 12px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink-2)}
.co-body .link{margin-top:auto;align-self:flex-start}
.co-card > a.cover{position:absolute;inset:0;z-index:3}
.co-card .link{position:relative;z-index:4}

/* ---------- Holdings (other businesses) ---------- */
.hold{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;padding:24px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.hold .frame{width:118px;aspect-ratio:1;border-radius:4px}
.hold .role{font:600 .66rem/1.3 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.hold h3{font-size:1.5rem;margin:6px 0 6px;line-height:1.15}
.hold p{font-size:.92rem;margin:0;color:var(--ink-3)}

/* ---------- Capabilities ---------- */
.caps-list{border-top:1px solid var(--line-light)}
.caps-list li{display:grid;grid-template-columns:90px minmax(0,1fr) minmax(0,1.2fr);gap:24px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line-light);transition:padding .4s var(--ease)}
.caps-list li:hover{padding-left:10px}
.caps-list .n{font:italic 500 1.3rem/1 var(--serif);color:var(--gold-bright)}
.caps-list h3{font-size:clamp(1.6rem,2.6vw,2.3rem);color:#fff;line-height:1.1}
.caps-list p{margin:0;color:rgba(255,255,255,.72)}
.bg-light-caps .caps-list{border-color:var(--line)}
.bg-light-caps .caps-list li{border-color:var(--line)}
.bg-light-caps .caps-list .n{color:var(--gold-ink)}
.bg-light-caps .caps-list h3{color:var(--ink)}
.bg-light-caps .caps-list p{color:var(--ink-2)}

/* ---------- Image-backed band ---------- */
.band{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:var(--navy)}
.band > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.9}
.band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(8,18,32,.92) 0%,rgba(8,18,32,.74) 50%,rgba(8,18,32,.42) 100%)}

/* ---------- Offices duo ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--navy)}
.duo a{position:relative;min-height:clamp(380px,48vw,580px);display:flex;align-items:flex-end;padding:clamp(28px,4vw,52px);color:#fff;overflow:hidden;isolation:isolate}
.duo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.6s var(--ease-out)}
.duo a:hover img{transform:scale(1.05)}
.duo a::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,18,32,.05) 30%,rgba(8,18,32,.88))}
.duo small{display:block;font:600 .7rem/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:14px}
.duo h3{color:#fff;font-size:clamp(2rem,3.6vw,3rem);line-height:1.05}
.duo p{margin:12px 0 0;color:rgba(255,255,255,.8);max-width:36ch}

/* ---------- Affiliation logos ---------- */
.marks{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.mark{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;min-height:170px;padding:22px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);transition:background .3s var(--ease)}
.mark:hover{background:var(--paper)}
.mark img{max-height:62px;width:auto;max-width:150px;object-fit:contain}
.mark .seal{width:62px;height:62px}
.mark span{font:500 .78rem/1.35 var(--sans);color:var(--ink-3)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--gold),var(--line-gold))}
.tl{position:relative;padding:0 0 34px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-34px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--ivory);border:1px solid var(--gold);box-shadow:0 0 0 4px var(--ivory)}
.tl.is-top::before{background:var(--gold)}
.tl time{display:block;font:600 .72rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:8px}
.tl b{display:block;font:500 1.5rem/1.2 var(--serif);color:var(--ink)}
.tl span{display:block;font-size:.92rem;color:var(--ink-3);margin-top:4px}
.bg-paper .tl::before{background:var(--paper);box-shadow:0 0 0 4px var(--paper)}
.bg-paper .tl.is-top::before{background:var(--gold)}

/* ---------- Role / affiliation lists ---------- */
.roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.role-card{background:var(--white);border-radius:var(--radius);padding:34px 30px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.role-card .ico{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-gold);color:var(--gold-ink);margin-bottom:22px}
.role-card .ico svg{width:20px;height:20px}
.role-card h3{font-size:1.65rem;margin-bottom:18px}
.role-card li{padding:14px 0;border-top:1px solid var(--line);font-size:.95rem;color:var(--ink);line-height:1.45}
.role-card li small{display:block;margin-top:4px;font:600 .68rem/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-ink)}

/* ---------- Detail lists (company pages) ---------- */
.facts{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);position:sticky;top:calc(var(--header-h) + 24px)}
.facts h3{font-size:1.5rem;margin-bottom:10px}
.facts dl{margin:0}
.facts dt{font:600 .66rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);margin-top:20px}
.facts dd{margin:7px 0 0;color:var(--ink);font-size:.97rem;line-height:1.5}
.facts dd a{border-bottom:1px solid var(--line-gold)}
.facts dd a:hover{color:var(--gold-ink)}
.facts .btn{width:100%;margin-top:28px}

.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(36px,6vw,90px);align-items:start}
.prose h2{margin-bottom:22px}
.prose h3{margin:44px 0 14px}
.prose p{color:var(--ink-2)}

.svc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px;margin-top:10px}
.svc li{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.svc li svg{width:18px;height:18px;flex:0 0 auto;color:var(--gold);margin-top:4px}
.svc li b{display:block;font:500 1.25rem/1.2 var(--serif);color:var(--ink)}
.svc li span{display:block;font-size:.9rem;color:var(--ink-3);margin-top:4px;line-height:1.5}

.gallery{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto;gap:18px}
.gallery .frame:first-child{grid-row:1/3;aspect-ratio:auto;min-height:100%}
.gallery .frame{aspect-ratio:4/3}

.next-co{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.next-co a{display:flex;align-items:center;gap:16px;padding:22px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:box-shadow .35s var(--ease), transform .35s var(--ease)}
.next-co a:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.next-co .crest{width:46px;height:46px;flex:0 0 auto}
.next-co b{display:block;font:600 1.2rem/1.15 var(--serif);color:var(--ink)}
.next-co small{display:block;font-size:.8rem;color:var(--ink-3);margin-top:3px}

/* ---------- Contact ---------- */
.offices{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.office{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.office .map{aspect-ratio:16/9;background:var(--sand);position:relative}
.office .map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.35) contrast(1.02)}
.office-body{padding:32px}
.office-body .tag{font:600 .68rem/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--gold-ink)}
.office-body h3{font-size:2rem;margin:10px 0 20px}
.c-row{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:.97rem;color:var(--ink)}
.c-row svg{width:18px;height:18px;flex:0 0 auto;color:var(--gold);margin-top:3px}
.c-row a{border-bottom:1px solid transparent;transition:border-color .2s var(--ease), color .2s var(--ease)}
.c-row a:hover{border-color:var(--gold);color:var(--gold-ink)}
.c-row small{display:block;font-size:.76rem;color:var(--ink-3);letter-spacing:.04em}
.quick{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.quick .btn{flex:1 1 auto}

.form{background:var(--white);border-radius:var(--radius-lg);padding:clamp(28px,4vw,52px);box-shadow:var(--shadow)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px 22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font:600 .74rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.field label i{font-style:normal;color:var(--gold-ink)}
.field input,.field select,.field textarea{
  width:100%;min-height:52px;padding:14px 16px;border-radius:8px;
  border:1px solid var(--line-2);background:var(--paper);color:var(--ink);
  font:400 1rem/1.4 var(--sans);transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237E5F22' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:42px}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(176,138,62,.14)}
.field .hint{font-size:.8rem;color:var(--ink-3)}
.field .err{display:none;font-size:.82rem;color:#B42318}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:#D92D20;background:#FFFBFA}
.field.invalid .err{display:block}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:28px}
.form-foot p{margin:0;font-size:.84rem;color:var(--ink-3);max-width:46ch}
.form-status{display:none;margin-top:22px;padding:16px 18px;border-radius:8px;font-size:.95rem}
.form-status.ok{display:block;background:#ECFDF3;color:#05603A;border:1px solid #ABEFC6}
.form-status.bad{display:block;background:#FEF3F2;color:#B42318;border:1px solid #FECDCA}
.btn[aria-busy="true"]{opacity:.7;pointer-events:none}

/* ---------- CTA ---------- */
.cta{text-align:center}
.cta .h2{max-width:18ch;margin:0 auto}
.cta .lede{margin:22px auto 36px}
.cta .hero-actions{justify-content:center}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:#071322;color:rgba(255,255,255,.66);padding:clamp(70px,9vw,110px) 0 36px;font-size:.92rem}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:56px;border-bottom:1px solid var(--line-light)}
.foot-brand .brand{color:#fff}
.foot-brand p{margin:22px 0 0;max-width:34ch;line-height:1.7}
.site-footer h4{font:600 .7rem/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:20px}
.site-footer li{padding:6px 0}
.site-footer a:hover{color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:30px;font-size:.82rem;color:rgba(255,255,255,.5)}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:20px}

/* ---------- Floating WhatsApp ---------- */
.wa{position:fixed;right:20px;bottom:20px;z-index:90;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold-bright);box-shadow:0 14px 34px -10px rgba(11,27,46,.6);transition:transform .25s var(--ease), background .25s var(--ease);border:1px solid rgba(226,181,78,.4)}
.wa:hover{transform:translateY(-3px);background:var(--navy-2)}
.wa:active{transform:scale(.95)}
.wa svg{width:26px;height:26px}

/* ==========================================================================
   Motion — gentle reveal. Content is visible without JS.
   ========================================================================== */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .9s var(--ease-out), transform .9s var(--ease-out)}
.js .reveal.is-in{opacity:1;transform:none}
.js .reveal[data-d="1"]{transition-delay:.08s}
.js .reveal[data-d="2"]{transition-delay:.16s}
.js .reveal[data-d="3"]{transition-delay:.24s}
.js .reveal[data-d="4"]{transition-delay:.32s}

/* ---------- Bangla ---------- */
html[lang="bn"] body{font-family:"Hind Siliguri",var(--sans);line-height:1.8}
html[lang="bn"] h1,html[lang="bn"] h2,html[lang="bn"] h3,html[lang="bn"] h4,
html[lang="bn"] .statement,html[lang="bn"] .quote p,html[lang="bn"] .stat b,html[lang="bn"] .tl b,
html[lang="bn"] .svc li b,html[lang="bn"] .duo h3,html[lang="bn"] .caps-list h3,html[lang="bn"] .co-body h3,
html[lang="bn"] .sheet nav a{font-family:"Noto Serif Bengali",var(--serif);letter-spacing:0;line-height:1.35}
html[lang="bn"] .display,html[lang="bn"] .h1{line-height:1.25}
html[lang="bn"] .eyebrow,html[lang="bn"] .tag,html[lang="bn"] .role,html[lang="bn"] .crumbs{letter-spacing:.06em}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1100px){
  .nav > a:not(.btn), .nav .dd{display:none}
  .nav .btn{display:none}
  .menu-btn{display:inline-flex}
  .marks{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot-top{grid-template-columns:1fr 1fr}
  .roles{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  :root{--header-h:68px}
  .head,.grid-2,.split,.offices,.co-grid,.duo{grid-template-columns:1fr}
  .grid-3,.next-co{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:26px 18px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .caps-list li{grid-template-columns:54px 1fr;gap:6px 16px}
  .caps-list p{grid-column:2}
  .facts{position:static}
  .roles{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .frame:first-child{grid-column:1/-1;grid-row:auto;aspect-ratio:16/10}
  .portrait-card{margin:0 auto}
}
@media (max-width:600px){
  .lang:not(.sheet .lang){display:none}
  .brand-text b{font-size:1.18rem}
  .svc,.fgrid{grid-template-columns:1fr}
  .marks{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr}
  .hold{grid-template-columns:1fr}
  .hold .frame{width:100%;aspect-ratio:16/9}
  .hero-foot li{font-size:1rem}
  .hero-actions .btn{flex:1 1 100%}
  .co-body{padding:26px 22px 28px}
  .wa{right:16px;bottom:16px}
}

/* ---------- Accessibility preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important}
  .js .reveal{opacity:1;transform:none;transition:opacity .2s ease}
  .frame img,.duo img,.co-card,.hero-media img{transition:none !important;transform:none !important}
  .sheet{transition:opacity .2s ease}
}
@media (prefers-reduced-transparency:reduce){
  .site-header.is-glass,.dd-panel{background:var(--paper);-webkit-backdrop-filter:none;backdrop-filter:none}
}
@media (prefers-contrast:more){
  :root{--line:rgba(13,21,36,.3);--ink-3:#3A4456}
  .site-header.is-glass{background:var(--paper);box-shadow:inset 0 -1px 0 var(--ink)}
}
@media print{
  .site-header,.wa,.sheet,.scrim{display:none}
  .hero{min-height:auto;color:#000}
}
html[lang="bn"] .co-card .badge small,html[lang="bn"] .hero-foot .loc,html[lang="bn"] .brand-text span,
html[lang="bn"] .portrait-card figcaption span,html[lang="bn"] .duo small,html[lang="bn"] .co-body .where,
html[lang="bn"] .sig-meta,html[lang="bn"] .facts dt,html[lang="bn"] .field label{letter-spacing:.03em}

/* ---------- Mobile polish: fit, readable labels, thumb-sized targets ---------- */
.mark{min-width:0}
.mark img{max-width:100%}
.link{min-height:44px;align-items:flex-end;padding:0 0 9px}
@media (max-width:600px){
  .brand-text span,.co-card .badge small,.hold .role,.role-card li small,.facts dt,.office-body .tag,
  .tl time,.sheet nav a small,.duo small,.co-body .where,.crumbs,.portrait-card figcaption span,.sig-meta{font-size:.72rem}
  .mark{padding:20px 10px;min-height:150px}
  .mark img{max-height:52px}
  .eyebrow{font-size:.72rem;letter-spacing:.2em}
}
.brand-text span,.co-card .badge small,.hold .role,.role-card li small,.facts dt,.office-body .tag,
.tl time,.sheet nav a small,.duo small,.co-body .where,.crumbs,.portrait-card figcaption span,.sig-meta,.dd-panel small{font-size:max(.72rem, 11px)}