/* =====================================================================
   SENSE — About page (/about.html). Loads after sense.css and only adds
   what this page needs: the portrait hero with ripple rings, the family
   statement, the career timeline drawn as one sound-wave line, the award
   print, treatment tiles, "known for", personal life and the photo essay.
   ===================================================================== */

/* ---------- hero ---------- */
.ab-hero{padding-bottom:clamp(60px,7.5vw,124px)}
.ab-hero::after{background:linear-gradient(90deg,rgba(11,12,18,.95) 0%,rgba(11,12,18,.82) 36%,rgba(11,12,18,.3) 66%,rgba(11,12,18,.12) 100%)}
.ab-hero-in{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:center;column-gap:clamp(24px,4vw,80px);justify-items:stretch}
.ab-copy{grid-column:1;grid-row:1;display:grid;gap:clamp(14px,1.7vw,22px);justify-items:start;min-width:0;position:relative;z-index:2}

.ab-name{max-width:none;display:flex;flex-direction:column;font-size:clamp(3rem,6.4vw,6.6rem)}
html.lang-bn .ab-name{font-size:clamp(2.6rem,5.6vw,5.7rem);line-height:1.16}
.ab-nl{display:block;overflow:hidden;overflow:clip;padding:.02em 0 .1em;margin:-.02em 0 -.1em}
html.lang-bn .ab-nl{padding:.1em 0 .16em;margin:-.1em 0 -.16em}
.ab-nt{display:block}
.ab-nl + .ab-nl .ab-nt{color:var(--nose)}

.ab-role{display:flex;align-items:flex-start;gap:12px;font-family:var(--f-d);font-weight:650;font-size:clamp(19px,1.6vw,24px);line-height:1.4;color:var(--d1)}
.ab-role::before{content:"";width:26px;height:2px;margin-top:.7em;border-radius:2px;background:var(--d1);opacity:.5;flex:none}

.ab-deg{display:flex;flex-wrap:wrap;gap:8px;max-width:660px}
.ab-deg li{display:inline-flex;align-items:center;gap:9px;min-height:36px;padding:6px 14px 6px 12px;border-radius:999px;background:rgba(243,239,230,.07);
  box-shadow:inset 0 0 0 1px rgba(243,239,230,.14);font-size:14px;line-height:1.35;color:var(--d1)}
html.lang-bn .ab-deg li{font-size:15px}
.ab-deg li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c,var(--d2));flex:none}
.ab-deg .ab-deg-reg{background:none;color:var(--d2)}
.ab-cta{margin-top:4px}

/* portrait + rings */
.ab-portrait{grid-column:2;grid-row:1;justify-self:center;position:relative;margin:0;width:min(100%,420px);aspect-ratio:1;z-index:1}
.ab-photo{position:relative;z-index:3;width:100%;height:100%;object-fit:cover;border-radius:50%;background:var(--ink3)}
.ab-glow{position:absolute;inset:-30%;z-index:0;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(143,116,255,.26),rgba(62,197,255,.09) 55%,rgba(11,12,18,0))}
.ab-rings{position:absolute;inset:-60%;z-index:1;pointer-events:none}
.ab-rings svg{width:100%;height:100%;overflow:visible}
.ab-rings path{fill:none;stroke-width:1.6;vector-effect:non-scaling-stroke;opacity:calc(.8 - var(--k,0) * .13);transform-box:view-box;transform-origin:50% 50%}
.ab-halo,.ab-ripple{position:absolute;inset:-10px;border-radius:50%;pointer-events:none;
  background:conic-gradient(from 210deg,var(--thyroid),var(--throat),var(--ear),var(--neck),var(--nose),var(--thyroid));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2.5px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2.5px))}
.ab-halo{z-index:2}
.ab-ripple{z-index:1;opacity:0}

/* hero intro (classes added by sense-about.js) */
.js .ab-nt{transform:translateY(108%);transition:transform 1.1s var(--ease)}
.js .ab-hero .phero-k,.js .ab-role,.js .ab-deg li,.js .ab-cta{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .9s var(--ease)}
.js .ab-photo,.js .ab-halo{opacity:0;transform:scale(.92);transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
.js .ab-rings path{opacity:0;transform:scale(.86);transition:opacity 1.2s var(--ease),transform 1.6s var(--ease);transition-delay:calc(.35s + var(--k,0) * .12s)}
.ab-hero.is-ready .ab-nt,.ab-hero.is-ready .phero-k,.ab-hero.is-ready .ab-role,.ab-hero.is-ready .ab-deg li,.ab-hero.is-ready .ab-cta,
.ab-hero.is-ready .ab-photo,.ab-hero.is-ready .ab-halo{opacity:1;transform:none}
.ab-hero.is-ready .ab-rings path{opacity:calc(.8 - var(--k,0) * .13);transform:none}
.ab-hero.is-ready .ab-nl + .ab-nl .ab-nt{transition-delay:.1s}
.ab-hero.is-ready .ab-role{transition-delay:.25s}
.ab-hero.is-ready .ab-deg li{transition-delay:calc(.3s + var(--i,0) * .05s)}
.ab-hero.is-ready .ab-cta{transition-delay:.55s}
.ab-hero.is-ready .ab-photo{transition-delay:.1s}
.ab-hero.is-ready .ab-halo{transition-delay:.25s}
@media (prefers-reduced-motion:no-preference){
  .ab-hero.is-ready .ab-ripple{animation:abRipple 5.6s cubic-bezier(.2,.6,.35,1) 1.1s infinite}
  .ab-hero.is-ready .ab-ripple-2{animation-delay:3.9s}
}
@keyframes abRipple{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.95);opacity:0}}

@media (max-width:900px){
  .ab-hero-in{grid-template-columns:minmax(0,1fr)}
  .ab-portrait{grid-column:1;grid-row:1;width:min(62vw,250px);margin:10px 0 30px}
  .ab-rings{-webkit-mask:linear-gradient(180deg,transparent 8%,#000 36%);mask:linear-gradient(180deg,transparent 8%,#000 36%)}
  .ab-copy{grid-column:1;grid-row:2}
}
@media (max-width:720px){
  .ab-hero::after{background:linear-gradient(180deg,rgba(11,12,18,.55) 0%,rgba(11,12,18,.78) 45%,rgba(11,12,18,.6) 100%)}
  .ab-role{font-size:18px;gap:10px}
  html.lang-bn .ab-role{font-size:18.5px}
  .ab-role::before{width:18px}
  .ab-deg{gap:6px}
  .ab-deg li{font-size:13.5px;padding:5px 12px 5px 10px;min-height:34px}
  html.lang-bn .ab-deg li{font-size:14.5px}
}

/* ---------- birth & family ---------- */
.ab-intro{padding-bottom:clamp(72px,8vw,140px)}
.ab-intro-in{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(24px,5vw,96px);align-items:start}
.ab-intro-sh{margin-bottom:0}
.ab-lead{font-family:var(--f-d);font-weight:560;font-size:clamp(1.55rem,2.8vw,2.75rem);line-height:1.4;letter-spacing:-.012em;color:var(--t1);max-width:23em}
html.lang-bn .ab-lead{letter-spacing:0;line-height:1.72;font-weight:540;font-size:clamp(1.42rem,2.5vw,2.45rem)}
.hl{font-weight:720;padding:0 .04em;background-image:linear-gradient(color-mix(in srgb,var(--c) 48%,transparent),color-mix(in srgb,var(--c) 48%,transparent));
  background-repeat:no-repeat;background-position:0 88%;background-size:100% .36em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
html.lang-bn .hl{font-weight:680;background-position:0 80%}
.js .ab-lead-wrap .hl{background-size:0% .36em;transition:background-size 1.1s var(--ease)}
.ab-lead-wrap.in .hl{background-size:100% .36em}
.ab-lead-wrap.in .hl:nth-of-type(2){transition-delay:.18s}.ab-lead-wrap.in .hl:nth-of-type(3){transition-delay:.36s}
.ab-lead-wrap.in .hl:nth-of-type(4){transition-delay:.54s}.ab-lead-wrap.in .hl:nth-of-type(5){transition-delay:.72s}
.ab-intro-body{display:grid;gap:clamp(30px,4vw,56px);min-width:0}
.ab-fam{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:2px solid var(--t1);max-width:860px}
.ab-fam > div{position:relative;display:grid;gap:6px;align-content:start;padding:20px 20px 22px 0;border-bottom:1px solid var(--line-l)}
.ab-fam > div:nth-child(even){padding-left:22px;border-left:1px solid var(--line-l)}
.ab-fam > div::before{content:"";position:absolute;top:-2px;left:0;width:48px;height:5px;background:var(--c)}
.ab-fam > div:nth-child(even)::before{left:22px}
.js .ab-fam > div::before{transform:scaleX(0);transform-origin:left center;transition:transform .9s var(--ease) .2s}
.js .ab-fam.in > div::before{transform:none}
.ab-fam dt{font-family:var(--f-m);font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--t2)}
html.lang-bn .ab-fam dt{font-family:var(--f-b);font-size:16px;letter-spacing:0;font-weight:550}
.ab-fam dd{font-family:var(--f-d);font-weight:680;font-size:clamp(20px,1.8vw,26px);line-height:1.3;letter-spacing:-.01em}
html.lang-bn .ab-fam dd{letter-spacing:0;line-height:1.5;font-weight:620}
.ab-fam-n{display:block}
@media (max-width:900px){ .ab-intro-in{grid-template-columns:1fr} }
@media (max-width:560px){
  .ab-fam{grid-template-columns:1fr}
  .ab-fam > div,.ab-fam > div:nth-child(even){padding:16px 0 18px;border-left:0}
  .ab-fam > div:nth-child(even)::before{left:0}
  .ab-fam > div + div::before{top:-1px}
}

/* =====================================================================
   CAREER TIMELINE — one continuous sound-wave line (SVG, built by
   sense-about.js from the real node positions). With CSS scroll-driven
   animations its tip follows a reading line at 70% of the viewport;
   otherwise it advances node by node (IntersectionObserver). Reduced
   motion: drawn in full. No JS: a plain gradient line.
   ===================================================================== */
.ab-career{overflow:hidden;overflow:clip}
.ab-career::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(90deg,rgba(243,239,230,.03) 0 1px,transparent 1px 72px)}
.tl{position:relative;--trk:150px;--ys:clamp(2.6rem,4.4vw,4.1rem);--ny:calc(var(--ys) * .5)}
html.lang-bn .tl{--ys:clamp(2.4rem,3.9vw,3.7rem);--ny:calc(var(--ys) * .58)}
.tl-list{position:relative;z-index:2}
.tl-item{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) var(--trk) minmax(0,1.5fr);column-gap:clamp(12px,1.6vw,28px);align-items:start;
  padding-bottom:clamp(56px,6vw,92px)}
.tl-item:last-child{padding-bottom:0}
/* the plain line (no JS / before the wave is built) */
.tl-item::before{content:"";grid-column:2;grid-row:1 / span 2;justify-self:center;width:2px;margin-bottom:calc(-1 * clamp(56px,6vw,92px));
  background:linear-gradient(180deg,var(--c),rgba(243,239,230,.18))}
.tl-item:first-child::before{margin-top:var(--ny)}
.tl-item:last-child::before{display:none}
.tl.has-wave .tl-item::before{display:none}

.tl-y{grid-column:1;grid-row:1;justify-self:end;text-align:right;font-family:var(--f-d);font-weight:800;font-stretch:78%;font-size:var(--ys);line-height:1;
  letter-spacing:-.03em;color:var(--c);font-feature-settings:"tnum"}
html.lang-bn .tl-y{letter-spacing:0;line-height:1.16;font-weight:760}
.tl-node{grid-column:2;grid-row:1;justify-self:center;position:relative;z-index:3;width:18px;height:18px;margin-top:calc(var(--ny) - 9px);border-radius:50%;
  background:var(--ink);box-shadow:inset 0 0 0 2px rgba(243,239,230,.3);transition:background-color .45s,box-shadow .45s}
.tl-node::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--c);opacity:0;pointer-events:none}
.tl-item.on .tl-node,html:not(.js) .tl-node{background:var(--c);
  box-shadow:0 0 0 5px color-mix(in srgb,var(--c) 24%,transparent),0 0 26px 5px color-mix(in srgb,var(--c) 50%,transparent)}
.tl-item.on .tl-node{animation:tlPop .75s var(--ease) both}
.tl-item.on .tl-node::after{animation:tlPing 1.2s var(--ease) .05s both}
@keyframes tlPop{0%{transform:scale(.45)}55%{transform:scale(1.4)}100%{transform:none}}
@keyframes tlPing{0%{transform:scale(1);opacity:.9}100%{transform:scale(3.4);opacity:0}}
.tl-now.on .tl-node::after{animation:tlPing 2.4s var(--ease) .05s infinite}

.tl-body{grid-column:3;grid-row:1;display:grid;gap:8px;justify-items:start;max-width:580px;padding-top:max(0px,calc(var(--ny) - 18px))}
.tl-t{font-family:var(--f-d);font-weight:720;font-stretch:90%;font-size:clamp(22px,2vw,28px);line-height:1.25;letter-spacing:-.01em;color:var(--d1)}
html.lang-bn .tl-t{letter-spacing:0;line-height:1.4;font-weight:650;font-size:clamp(22px,1.9vw,27px)}
.tl-d{color:var(--d2);font-size:16.5px;line-height:1.6;max-width:34em}
html.lang-bn .tl-d{font-size:17.5px;line-height:1.75}
.tl-more{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:600;font-size:15px;color:var(--d1);text-decoration:underline;text-decoration-color:var(--c);
  text-decoration-thickness:2px;text-underline-offset:5px}
html.lang-bn .tl-more{font-size:16px}
.tl-more .ic{width:18px;height:18px;color:var(--c)}
.tl-ph{position:relative;margin:10px 0 0;width:min(100%,420px);border-radius:18px;overflow:hidden;overflow:clip;background:var(--ink3)}
.tl-ph img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.tl-ph figcaption{position:absolute;left:10px;bottom:10px;max-width:calc(100% - 20px);font-family:var(--f-m);font-size:12px;letter-spacing:.03em;line-height:1.35;
  background:rgba(11,12,18,.82);color:var(--d1);padding:5px 9px;border-radius:8px}
html.lang-bn .tl-ph figcaption{font-family:var(--f-b);font-size:13.5px;letter-spacing:0}
.js .tl-live,.tl-live{opacity:1;transform:none;margin-top:6px}
.tl-go{margin-top:2px}

/* the wave (added by JS) */
.tl-wave{position:absolute;top:0;left:0;height:100%;z-index:1;pointer-events:none}
.tl-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.tl-svg path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.tl-ghost{stroke:rgba(243,239,230,.14);stroke-width:1.5}
.tl-glow{stroke:url(#tlGrad);stroke-width:10;opacity:.2}
.tl-line{stroke:url(#tlGrad);stroke-width:3}
.tl-pen{position:absolute;left:0;top:0;width:12px;height:12px;border-radius:50%;background:#fff;color:#fff;opacity:0;
  box-shadow:0 0 0 4px rgba(255,255,255,.14),0 0 18px 6px currentColor;offset-rotate:0deg;offset-anchor:50% 50%}
/* inset 0: the default ("auto") would take html's scroll-padding-top and shift the reading line */
.tl.is-scroll{view-timeline:--tl block;view-timeline-inset:0px}
.tl.is-scroll .tl-line,.tl.is-scroll .tl-glow,.tl.is-scroll .tl-pen{animation:none linear both;animation-timeline:--tl;animation-range:cover 30vh cover calc(100% - 70vh)}
.tl.is-step.is-armed .tl-line,.tl.is-step.is-armed .tl-glow{transition:stroke-dashoffset 1.3s var(--ease-io)}
/* touch: a see-through ink veil pinned at 70% of the viewport covers the line below the reading line */
.tl.is-veil{overflow-y:clip;overflow-clip-margin:28px}
.tl.is-veil .tl-ghost{display:none}
.tl-veilbox{position:absolute;left:-10px;right:-10px;top:0;height:calc(100% + 100vh);pointer-events:none}
.tl-veil{position:sticky;top:70vh;display:block;height:100vh;background:linear-gradient(180deg,rgba(11,12,18,0),rgba(11,12,18,.86) 30px)}
.tl-veil::before{content:"";position:absolute;left:50%;top:2px;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,255,255,.5),rgba(255,255,255,.12) 55%,rgba(255,255,255,0))}

@media (max-width:760px){
  .tl{--trk:34px;--ys:30px;--ny:16px}
  html.lang-bn .tl{--ys:28px;--ny:17px}
  .tl-item{grid-template-columns:var(--trk) minmax(0,1fr);column-gap:12px;padding-bottom:44px}
  .tl-item::before{grid-column:1;margin-bottom:-44px}
  .tl-y{grid-column:2;grid-row:1;justify-self:start;text-align:left}
  .tl-node{grid-column:1;grid-row:1;width:16px;height:16px;margin-top:calc(var(--ny) - 8px)}
  .tl-body{grid-column:2;grid-row:2;padding-top:6px}
  .tl-t{font-size:21px}
  html.lang-bn .tl-t{font-size:21px}
  .tl-d{font-size:16px}
  html.lang-bn .tl-d{font-size:16.5px;line-height:1.7}
  .tl-glow{stroke-width:7}
  .tl-line{stroke-width:2.5}
  .tl-pen{width:10px;height:10px}
}

/* ---------- achievements ---------- */
.ab-stats{margin-bottom:0}
.js .ab-stats .stat::before{transform:scaleX(0);transform-origin:left center;transition:transform 1s var(--ease) .2s}
.js .ab-stats .stat.in::before{transform:none}

.award{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,4.5vw,80px);align-items:center;
  margin-top:clamp(48px,6vw,96px);padding:clamp(28px,4.6vw,72px);border-radius:32px;background:var(--thyroid);color:var(--ink);overflow:hidden;overflow:clip}
.award-waves{position:absolute;z-index:-1;right:-6%;bottom:-14%;width:72%;height:84%;color:rgba(11,12,18,.12);pointer-events:none}
.award-ph{margin:0;justify-self:center;width:min(100%,540px)}
.award-print{display:block;background:#FBF8F1;padding:12px 12px 0;border-radius:6px;transform:rotate(-2.4deg);
  box-shadow:0 34px 60px -26px rgba(11,12,18,.6),0 2px 8px rgba(11,12,18,.18)}
.award-print img{width:100%;height:auto;border-radius:2px}
.award-print figcaption{padding:12px 6px 14px;text-align:center;font-family:var(--f-q);font-style:italic;font-size:19px;line-height:1.35;color:var(--t2)}
.js .award .award-print{opacity:0;transform:translateY(36px) rotate(-8deg);transition:opacity .9s var(--ease),transform 1.3s var(--ease)}
.js .award.in .award-print{opacity:1;transform:rotate(-2.4deg);transition-delay:.2s}
.award-txt{display:grid;gap:14px;justify-items:start;position:relative}
.award-k{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-m);font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;font-weight:500}
html.lang-bn .award-k{font-family:var(--f-b);font-size:16px;letter-spacing:0;font-weight:600}
.award-k::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 4px rgba(11,12,18,.15)}
.award-t{font-family:var(--f-d);font-weight:800;font-stretch:80%;font-size:clamp(2.5rem,4.8vw,4.6rem);line-height:1;letter-spacing:-.03em}
html.lang-bn .award-t{letter-spacing:0;line-height:1.2;font-size:clamp(2.3rem,4.4vw,4.2rem)}
.award-d{font-size:clamp(17px,1.4vw,20px);line-height:1.6;font-weight:500;max-width:30em}
html.lang-bn .award-d{line-height:1.75}
@media (max-width:900px){
  .award{grid-template-columns:1fr;padding:30px 20px 34px;border-radius:26px}
  .award-ph{width:min(100%,460px)}
  .award-waves{width:120%;height:60%;right:-30%;bottom:-8%}
}

/* ---------- what he treats ---------- */
.tr-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.tr{position:relative;isolation:isolate;display:flex;flex-direction:column;gap:12px;min-height:clamp(270px,23vw,320px);padding:24px 20px 26px;border-radius:26px;
  background:var(--c);color:var(--ink);overflow:hidden;overflow:clip}
.tr-art{position:absolute;z-index:-1;right:-24%;bottom:-16%;width:96%;aspect-ratio:4/3;color:rgba(11,12,18,.16);pointer-events:none}
.tr-art svg{width:100%;height:100%;overflow:visible}
.tr-name{font-family:var(--f-d);font-weight:760;font-stretch:86%;font-size:clamp(22px,1.9vw,28px);line-height:1.15;letter-spacing:-.015em}
html.lang-bn .tr-name{letter-spacing:0;line-height:1.35;font-weight:700}
.tr-list{font-size:15.5px;line-height:1.5;font-weight:560}
html.lang-bn .tr-list{font-size:16.5px;line-height:1.65;font-weight:540}
.tr-m *{transform-box:fill-box;transform-origin:center}
@media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
  .tr{transition:transform .5s var(--ease)}
  .tr:hover{transform:translateY(-4px)}
  .tr:hover .m-breath path{animation:drift 3.5s var(--ease-io) infinite alternate}
  .tr:hover .m-breath path:nth-child(2n){animation-delay:-1.2s}
  .tr:hover .m-rings path{animation:ring 1.8s var(--ease) infinite}
  .tr:hover .m-rings path:nth-child(2){animation-delay:.15s}.tr:hover .m-rings path:nth-child(3){animation-delay:.3s}.tr:hover .m-rings path:nth-child(4){animation-delay:.45s}
  .tr:hover .m-voice rect{animation:voice .9s var(--ease-io) infinite alternate}
  .tr:hover .m-voice rect:nth-child(3n){animation-delay:-.35s}.tr:hover .m-voice rect:nth-child(3n+1){animation-delay:-.6s}
  .tr:hover .m-fly path{animation:fly 1.6s var(--ease-io) infinite alternate}
  .tr:hover .m-contour ellipse{animation:topo 2.4s var(--ease-io) infinite alternate}
  .tr:hover .m-contour ellipse:nth-child(2n){animation-delay:-.8s}
}
@media (max-width:1180px){
  .tr-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .tr{grid-column:span 2;min-height:250px}
  .tr:nth-child(4),.tr:nth-child(5){grid-column:span 3}
}
@media (max-width:700px){
  .tr-grid{grid-template-columns:1fr;gap:10px}
  .tr,.tr:nth-child(4),.tr:nth-child(5){grid-column:auto;min-height:0;padding:20px 18px 22px;border-radius:22px;gap:8px}
  .tr-art{width:52%;right:-12%;bottom:auto;top:-12%}
  .tr-name{font-size:23px;padding-right:30%}
}

/* "জনপ্রিয়তা" — the client's own words */
.kn{position:relative;margin-top:clamp(48px,6vw,96px);padding:clamp(30px,5vw,76px);border-radius:32px;background:var(--ink);color:var(--d1);overflow:hidden;overflow:clip}
.kn::after{content:"";position:absolute;right:-12%;top:-30%;width:60%;aspect-ratio:1;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,90,54,.16),rgba(143,116,255,.06) 60%,transparent)}
.kn-wave{width:180px;height:26px;color:var(--throat)}
.kn-k{margin-top:18px;font-family:var(--f-d);font-weight:700;font-size:clamp(18px,1.6vw,22px);line-height:1.3;color:var(--d2)}
html.lang-bn .kn-k{font-size:clamp(19px,1.7vw,23px);font-weight:650}
.kn-t{position:relative;z-index:1;margin-top:12px;max-width:30em;font-family:var(--f-d);font-weight:500;font-size:clamp(1.35rem,2.45vw,2.35rem);line-height:1.5;letter-spacing:-.01em}
html.lang-bn .kn-t{letter-spacing:0;line-height:1.8;font-size:clamp(1.3rem,2.25vw,2.2rem)}
.kn-t mark{background:none;color:var(--c);font-weight:680;background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;
  background-position:0 96%;background-size:100% 2px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
html.lang-bn .kn-t mark{font-weight:640}
.js .kn .kn-t mark{background-size:0% 2px;transition:background-size 1s var(--ease)}
.kn.in .kn-t mark{background-size:100% 2px}
.kn.in .kn-t mark:nth-of-type(2){transition-delay:.15s}.kn.in .kn-t mark:nth-of-type(3){transition-delay:.3s}
.kn.in .kn-t mark:nth-of-type(4){transition-delay:.45s}.kn.in .kn-t mark:nth-of-type(5){transition-delay:.6s}.kn.in .kn-t mark:nth-of-type(6){transition-delay:.75s}
@media (max-width:640px){ .kn{border-radius:24px;padding:26px 20px 30px} .kn-wave{width:140px} }

/* ---------- personal life ---------- */
.ab-life-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,112px);align-items:center}
.ab-life-ph{margin:0;width:100%;max-width:460px;justify-self:center}
.ab-life-frame{position:relative;display:block;aspect-ratio:3/4;border-radius:28px;overflow:hidden;overflow:clip;background:var(--paper3)}
.ab-life-frame img{width:100%;height:100%;object-fit:cover}
/* viewfinder corners: photography is his passion */
.ab-life-frame::after{content:"";position:absolute;inset:16px;pointer-events:none;opacity:.9;
  background:linear-gradient(#fff,#fff) 0 0/28px 2px,linear-gradient(#fff,#fff) 0 0/2px 28px,linear-gradient(#fff,#fff) 100% 0/28px 2px,linear-gradient(#fff,#fff) 100% 0/2px 28px,
    linear-gradient(#fff,#fff) 0 100%/28px 2px,linear-gradient(#fff,#fff) 0 100%/2px 28px,linear-gradient(#fff,#fff) 100% 100%/28px 2px,linear-gradient(#fff,#fff) 100% 100%/2px 28px;
  background-repeat:no-repeat}
.js .ab-life-ph .ab-life-frame::after{inset:4px;opacity:0;transition:inset 1s var(--ease) .25s,opacity .6s var(--ease) .25s}
.js .ab-life-ph.in .ab-life-frame::after{inset:16px;opacity:.9}
.ab-life-ph figcaption{margin-top:12px;font-size:14px;line-height:1.45;color:var(--t2)}
html.lang-bn .ab-life-ph figcaption{font-size:15px}
.ab-life-txt .sh{margin-bottom:clamp(20px,2.4vw,30px)}
.ab-life-lead{font-family:var(--f-d);font-weight:560;font-size:clamp(1.4rem,2.3vw,2.2rem);line-height:1.4;letter-spacing:-.01em;max-width:22em}
html.lang-bn .ab-life-lead{letter-spacing:0;line-height:1.65;font-weight:540;font-size:clamp(1.35rem,2.1vw,2.05rem)}
.ab-pa{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--t1);margin-top:clamp(24px,3vw,40px);max-width:560px}
.ab-pa-n{position:relative;display:grid;gap:8px;align-content:start;padding:22px 16px 6px 0}
.ab-pa-n + .ab-pa-n{padding-left:20px;border-left:1px solid var(--line-l)}
.ab-pa-n::before{content:"";position:absolute;top:-2px;left:0;width:56px;height:6px;background:var(--c)}
.ab-pa-n + .ab-pa-n::before{left:20px}
.js .ab-pa .ab-pa-n::before{transform:scaleX(0);transform-origin:left center;transition:transform 1s var(--ease) .2s}
.js .ab-pa.in .ab-pa-n::before{transform:none}
.ab-pa-n b{font-family:var(--f-d);font-weight:800;font-stretch:76%;font-size:clamp(3rem,5.4vw,5.2rem);line-height:.95;letter-spacing:-.04em;font-feature-settings:"tnum"}
html.lang-bn .ab-pa-n b{letter-spacing:0;line-height:1.1}
.ab-pa-n > span{font-size:16px;line-height:1.45;color:var(--t2)}
html.lang-bn .ab-pa-n > span{font-size:17px}
.ab-life-d{margin-top:22px;font-size:17px;line-height:1.6;color:var(--t2);max-width:32em}
html.lang-bn .ab-life-d{font-size:18px;line-height:1.75}
.ab-genres{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.ab-genres li{display:inline-flex;align-items:center;gap:9px;min-height:36px;padding:0 15px 0 12px;border-radius:999px;box-shadow:inset 0 0 0 1.5px var(--line-l);color:var(--t1);font-weight:600;font-size:15px}
.ab-genres li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--c);flex:none}
html.lang-bn .ab-genres li{font-size:16px;font-weight:560}
@media (max-width:900px){
  .ab-life-in{grid-template-columns:1fr}
  .ab-life-ph{max-width:420px;justify-self:start}
  .ab-life-txt{order:-1}
}
@media (max-width:640px){
  .ab-life-ph{max-width:none}
  .ab-life-frame{aspect-ratio:4/5;border-radius:22px}
  .ab-life-frame img{object-position:50% 30%}
}

/* ---------- photo essay ---------- */
.ab-pics .sh-aside .lnk{margin-top:2px}
.pics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px 16px;container-type:inline-size}
.pic{margin:0;min-width:0}
.pic-l{grid-column:span 2}
/* a 4:3 photo across two columns sets the row height; the portraits share it */
.pic-f{position:relative;display:block;height:calc(37.5cqw - 6px);border-radius:20px;overflow:hidden;overflow:clip;background:var(--ink3)}
.pic-f img{position:absolute;left:0;top:-6%;width:100%;height:112%;object-fit:cover}
.pic-c{margin-top:12px;font-size:14px;line-height:1.45;color:var(--d2);max-width:32em}
html.lang-bn .pic-c{font-size:15px;line-height:1.6}
@supports (animation-timeline: view()){
  @media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
    .pic-f img{animation:picDrift linear both;animation-timeline:view();animation-range:cover}
  }
}
@keyframes picDrift{from{transform:translateY(-5%)}to{transform:translateY(5%)}}
@media (max-width:900px){
  .pics{grid-template-columns:1fr 1fr;gap:22px 10px}
  .pic-f{height:auto;aspect-ratio:3/4;border-radius:16px}
  .pic-l .pic-f{aspect-ratio:4/3}
  .pic-c{font-size:13.5px;margin-top:8px}
  html.lang-bn .pic-c{font-size:14px;line-height:1.55}
}
/* the coral band's wavy top edge is drawn in paper colour; here the section above is ink */
.ab-pics + .final::before{background:var(--ink)}

/* ---------- touch & reduced motion ---------- */
@media (hover:none),(pointer:coarse){
  .ab-hero.is-ready .ab-ripple{animation-iteration-count:2}
  .tl-now.on .tl-node::after{animation-iteration-count:3}
}
@media (prefers-reduced-motion:reduce){
  .js .ab-nt,.js .ab-hero .phero-k,.js .ab-role,.js .ab-deg li,.js .ab-cta,.js .ab-photo,.js .ab-halo{opacity:1;transform:none}
  .js .ab-rings path{opacity:calc(.8 - var(--k,0) * .13);transform:none}
  .ab-ripple{display:none}
  .js .ab-lead-wrap .hl{background-size:100% .36em}
  .js .kn .kn-t mark{background-size:100% 2px}
  .js .award .award-print{opacity:1;transform:rotate(-2.4deg)}
  .js .ab-stats .stat::before,.js .ab-pa .ab-pa-n::before{transform:none}
  .js .ab-life-ph .ab-life-frame::after{inset:16px;opacity:.9}
  .tl-pen{display:none}
}
/* institution logos on the timeline (white tiles on the dark band) */
.tl-logo{display:block;align-self:flex-start;height:40px;width:auto;max-width:170px;object-fit:contain;object-position:left center;padding:4px 8px;border-radius:10px;background:#fff;margin-bottom:10px}