/* About page (src/pages/{mn,en}/about.html). Shared tokens and classes live in site.css. */

/* ---------- hero ---------- */
.about-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:260px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(24,25,27,0) 0%,rgba(24,25,27,.75) 55%,var(--core) 100%)}
.about-hero .hero__media img{object-position:50% 45%;animation:abHero 1.6s var(--ease) both}
@keyframes abHero{from{transform:scale(1.08);opacity:0}to{transform:none;opacity:1}}
.about-hero .hero__body{padding-bottom:calc(clamp(40px,6vw,64px) + 92px)}
.about-hero .hero__content{max-width:700px}
.about-hero .hero__content .lead{max-width:560px}
.about-hero .h1{font-size:clamp(36px,6vw,72px)}
:lang(mn) .about-hero .h1{font-size:clamp(34px,5.8vw,72px)}
.about-cue{position:absolute;left:50%;bottom:0;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:14px;z-index:3;padding-top:8px}
.about-cue__label{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-3);white-space:nowrap;transition:color .2s}
.about-cue:hover .about-cue__label{color:var(--on-dark)}
.about-cue__line{position:relative;width:1px;height:72px;background:rgba(247,247,242,.18);overflow:hidden}
.about-cue__line i{position:absolute;left:0;top:0;width:1px;height:28px;background:var(--spark);animation:cueRun 2.2s cubic-bezier(.6,0,.4,1) infinite}
@keyframes cueRun{from{transform:translateY(-28px)}to{transform:translateY(72px)}}
@media (max-width:900px){
  .about-hero .hero__body{padding-bottom:calc(clamp(40px,6vw,64px) + 72px)}
  .about-cue__line{height:52px}
}
@media (prefers-reduced-motion:reduce){
  .about-hero .hero__media img{animation:none}
  .about-cue__line i{animation:none;transform:none;top:22px}
}

/* ---------- timeline: shared ---------- */
.tl{position:relative;isolation:isolate;overflow:hidden;background:var(--core);color:var(--on-dark)}
.tl__stage{position:relative}
.tl__stage:focus{outline:none}
.tl__stage:focus-visible{outline:2px solid var(--spark);outline-offset:-2px}
.tl__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.tl__headtext{display:flex;flex-direction:column;gap:10px}
.tl__heading{font-size:clamp(32px,3vw,40px);font-weight:400;letter-spacing:-.015em;line-height:1.1}
.tl__span{font-family:var(--f-mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--spark)}
.tl__count{display:none;align-items:center;gap:14px;font-family:var(--f-mono);font-size:14px;letter-spacing:.1em;color:var(--on-dark-3)}
.tl__bar{position:relative;width:72px;height:1px;background:rgba(247,247,242,.4)}
.tl__bar i{position:absolute;left:0;top:-1px;height:3px;width:0;background:var(--spark);transition:width .6s ease}
.tl__bigyear{display:none}
.tl__year{font-family:var(--f-mono);font-size:14px;letter-spacing:.1em;color:var(--spark)}
.tl__title{font-size:clamp(22px,2vw,26px);font-weight:400;letter-spacing:-.015em;line-height:1.2}
.tl__text{font-size:15px;line-height:1.6;color:var(--on-dark-2)}
.tl__controls{display:none;align-items:center;gap:12px}
.tl__btn{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(247,247,242,.3);background:transparent;color:var(--on-dark);transition:background .25s,color .25s,border-color .25s,opacity .25s}
.tl__btn:hover{background:var(--spark);color:var(--core);border-color:var(--spark)}
.tl__btn--prev svg{transform:rotate(180deg)}
.tl__btn[aria-disabled="true"]{opacity:.35;cursor:default}
.tl__btn[aria-disabled="true"]:hover{background:transparent;color:var(--on-dark);border-color:rgba(247,247,242,.3)}
.tl__hint{margin-left:12px;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-4)}
.tl__m-dial,.tl__m-rail{display:none}
.tl[data-mode="dial"] .tl__m-dial,.tl[data-mode="rail"] .tl__m-rail{display:inline}

/* ---------- timeline: static list (no JS, reduced motion) ---------- */
.tl:not([data-mode="dial"]):not([data-mode="rail"]) .tl__stage{padding:var(--sec) 0}
.tl:not([data-mode="dial"]):not([data-mode="rail"]) .tl__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(32px,5vw,72px);margin-top:clamp(32px,4vw,48px)}
.tl:not([data-mode="dial"]):not([data-mode="rail"]) .tl__item{display:grid;grid-template-columns:72px minmax(0,1fr);column-gap:20px;row-gap:8px;align-content:start;padding:24px 0 28px;border-top:1px solid var(--line-dark)}
.tl:not([data-mode="dial"]):not([data-mode="rail"]) .tl__year{grid-row:span 2;padding-top:5px}
@media (max-width:900px){.tl:not([data-mode="dial"]):not([data-mode="rail"]) .tl__list{grid-template-columns:minmax(0,1fr)}}

/* ---------- timeline: dial (desktop) ---------- */
.tl[data-mode="dial"]{height:clamp(600px,calc(100vh - 72px),900px)}
.tl[data-mode="dial"] .wrap,.tl[data-mode="dial"] .tl__stage{height:100%}
.tl[data-mode="dial"] .tl__stage{--u:calc(var(--s,1) * 1px)}
.tl[data-mode="dial"]::before,.tl[data-mode="dial"]::after{content:"";position:absolute;left:0;right:0;z-index:1;pointer-events:none}
.tl[data-mode="dial"]::before{top:0;height:200px;background:linear-gradient(180deg,var(--core) 0%,rgba(24,25,27,0) 100%)}
.tl[data-mode="dial"]::after{bottom:0;height:160px;background:linear-gradient(0deg,var(--core) 0%,rgba(24,25,27,0) 100%)}
.tl__svg{position:absolute;left:0;top:0;z-index:0;overflow:visible;pointer-events:none;transform-origin:calc(var(--u) * -520) 50%}
.tl__lab{font-family:var(--f-mono);font-size:15px;letter-spacing:.08em;fill:#8E8F8A;cursor:pointer;pointer-events:auto;transition:fill .4s ease}
.tl__lab:hover{fill:var(--on-dark)}
.tl__lab.is-on{fill:var(--spark)}
.tl__glow{position:absolute;z-index:1;left:calc(var(--u) * 240);top:calc(50% - var(--u) * 200);width:calc(var(--u) * 400);height:calc(var(--u) * 400);border-radius:50%;background:radial-gradient(circle,rgba(255,204,0,.10) 0%,rgba(255,204,0,0) 65%);pointer-events:none}
.tl__marker{position:absolute;z-index:2;left:calc(var(--u) * 390);top:calc(50% - var(--u) * 50);width:calc(var(--u) * 100);height:calc(var(--u) * 100);border-radius:50%;background:var(--spark);display:flex;align-items:center;justify-content:center;animation:tlPulse 2.6s ease-in-out infinite;pointer-events:none}
.tl__marker img{width:54%;height:54%;object-fit:contain;filter:brightness(0)}
@keyframes tlPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,204,0,.45)}50%{box-shadow:0 0 0 18px rgba(255,204,0,0)}}
.tl[data-mode="dial"] .tl__head{display:contents}
.tl[data-mode="dial"] .tl__headtext{position:absolute;z-index:2;right:0;top:calc(50% - var(--u) * 320);align-items:flex-end;text-align:right;max-width:40%}
.tl[data-mode="dial"] .tl__count{display:flex;position:absolute;z-index:2;left:50%;top:calc(50% - var(--u) * 414);transform:translateX(-50%)}
.tl[data-mode="dial"] .tl__bigyear{--fy:min(calc(var(--u) * 230),16vw);display:block;position:absolute;z-index:2;left:calc(var(--u) * 580);top:calc(50% - var(--fy) * .545);margin:0;font-family:var(--f-head);font-size:var(--fy);line-height:1;font-weight:300;letter-spacing:-.028em;color:var(--on-dark);pointer-events:none;white-space:nowrap;font-variant-numeric:tabular-nums}
.tl[data-mode="dial"] .tl__bigyear span{display:block;transition:opacity .35s ease,transform .35s ease}
.tl[data-mode="dial"] .tl__list{display:grid;position:absolute;z-index:2;left:0;top:calc(50% - var(--u) * 120);width:max(232px,calc(var(--u) * 340))}
.tl[data-mode="dial"] .tl__item{grid-area:1/1;opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.tl[data-mode="dial"] .tl__item.is-before{transform:translateY(-24px)}
.tl[data-mode="dial"] .tl__item.is-active{opacity:1;transform:none}
.tl[data-mode="dial"] .tl__year{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.tl[data-mode="dial"] .tl__title{font-size:max(32px,calc(var(--u) * 44));font-weight:300;letter-spacing:-.022em;line-height:1.1}
.tl[data-mode="dial"] .tl__text{margin-top:max(16px,calc(var(--u) * 22));font-size:max(16px,calc(var(--u) * 19));line-height:1.6}
.tl[data-mode="dial"] .tl__controls{display:flex;position:absolute;z-index:2;left:0;top:calc(50% + var(--u) * 342)}
/* entrance */
.tl[data-mode="dial"] .tl-e{transition:opacity 1s var(--ease),transform 1.3s var(--ease)}
.tl[data-mode="dial"] .tl-e2{transition-delay:.25s}
.tl[data-mode="dial"] .tl-e3{transition-delay:.4s}
.tl[data-mode="dial"] .tl-e4{transition-delay:.55s}
.tl[data-mode="dial"] .tl-e5{transition-delay:.65s}
.tl.tl-pre .tl-e{opacity:0}
.tl.tl-pre .tl-e1{transform:rotate(-10deg) translateX(-60px)}
.tl.tl-pre .tl-e2{transform:scale(.4)}
.tl.tl-pre .tl-e3{transform:translateY(70px)}
.tl.tl-pre .tl-e4{transform:translateY(32px)}
.tl.tl-pre .tl-e5{transform:translateX(32px)}

/* ---------- timeline: swipe rail (tablet, phone) ---------- */
.tl[data-mode="rail"] .tl__stage{padding:clamp(72px,10vw,104px) 0 clamp(56px,8vw,88px);display:flex;flex-direction:column;gap:clamp(36px,5vw,48px)}
.tl[data-mode="rail"] .tl__count{display:flex}
.tl[data-mode="rail"] .tl__list{position:relative;display:flex;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:none;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);scroll-padding-inline:var(--gutter);outline-offset:-2px}
.tl[data-mode="rail"] .tl__list::-webkit-scrollbar{display:none}
.tl[data-mode="rail"] .tl__list::after{content:"";flex:0 0 var(--tl-tail,0px)}
.tl[data-mode="rail"] .tl__item{position:relative;flex:0 0 min(78vw,340px);scroll-snap-align:start;display:flex;flex-direction:column;gap:12px;padding:32px 28px 4px 0;border-top:1px solid rgba(247,247,242,.22)}
.tl[data-mode="rail"] .tl__item::before{content:"";position:absolute;left:0;top:-8px;width:1px;height:15px;background:rgba(247,247,242,.5);transition:background .3s,width .3s}
.tl[data-mode="rail"] .tl__item.is-active::before{width:3px;background:var(--spark)}
.tl[data-mode="rail"] .tl__year{font-family:var(--f-head);font-size:clamp(56px,12vw,80px);font-weight:300;line-height:1;letter-spacing:-.028em;color:var(--on-dark-4);margin-bottom:8px;transition:color .3s}
.tl[data-mode="rail"] .tl__item.is-active .tl__year{color:var(--on-dark)}
.tl[data-mode="rail"] .tl__controls{display:flex}
.tl[data-mode="rail"] .tl__btn--prev svg{transform:rotate(90deg)}
.tl[data-mode="rail"] .tl__btn--next svg{transform:rotate(-90deg)}
@media (min-width:641px){.tl[data-mode="rail"] .tl__item{flex-basis:min(44vw,380px)}}

/* ---------- seam ---------- */
.seam{height:3px;background:var(--spark);transform-origin:left center}
.js .seam.reveal{opacity:1;transform:scaleX(0);transition:transform 1.6s cubic-bezier(.6,0,.2,1)}
.js .seam.reveal.is-in{transform:none}

/* ---------- vision & mission ---------- */
.vm__eyebrow{margin-bottom:40px}
.vm{border-bottom:1px solid var(--line-light)}
.vm__row{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;align-items:start;padding:48px 40px;border-top:1px solid var(--line-light);transition:background .3s ease}
.vm__row:first-child{border-top-color:var(--core)}
.vm__head{display:flex;flex-direction:column;gap:18px;padding-top:4px}
.vm__title{font-size:32px;font-weight:400;letter-spacing:-.015em;line-height:1.1}
.vm__bar{display:block;width:40px;height:2px;background:var(--spark);transition:width .9s cubic-bezier(.6,0,.2,1)}
.js .vm__row:not(.is-in) .vm__bar{width:0}
.vm__text{font-family:var(--f-head);font-size:clamp(24px,2.4vw,34px);line-height:1.35;font-weight:400;letter-spacing:-.015em}
.vm__hl{color:var(--ink-3);background-image:linear-gradient(var(--spark),var(--spark));background-repeat:no-repeat;background-position:0 88%;background-size:0% 38%;transition:background-size .6s cubic-bezier(.6,0,.2,1),color .3s ease}
@media (hover:hover){
  .vm__row:hover{background:var(--white)}
  .vm__row:hover .vm__bar{width:72px;transition-duration:.4s}
  .vm__row:hover .vm__hl{background-size:100% 38%;color:var(--ink)}
}
@media (max-width:1024px){.vm__row{grid-template-columns:200px minmax(0,1fr);gap:32px;padding:40px 24px}}
@media (max-width:640px){
  .vm__eyebrow{margin-bottom:28px}
  .vm__row{grid-template-columns:minmax(0,1fr);gap:18px;padding:32px 0}
  .vm__head{flex-direction:row;align-items:center;gap:16px;padding-top:0}
  .vm__title{font-size:26px}
  .vm__hl{color:var(--ink)}
}

/* ---------- values ---------- */
.values{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--core)}
.value{display:flex;flex-direction:column;gap:16px;padding:32px 28px 32px;border-left:1px solid var(--line-light)}
.value:first-child{padding-left:0;border-left:0}
.value__title{font-family:var(--f-head);font-size:22px;font-weight:500;line-height:1.2;letter-spacing:-.01em}
.value__bar{display:block;width:40px;height:2px;background:var(--spark);transition:width .9s cubic-bezier(.6,0,.2,1) .2s}
.js .value:not(.is-in) .value__bar{width:0}
.value__text{font-size:15px;line-height:1.55;color:var(--ink-3)}
@media (hover:hover){.value:hover .value__bar{width:100%;transition-delay:0s}}
@media (max-width:1180px){
  .values{grid-template-columns:minmax(0,1fr)}
  .value,.value:first-child{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.3fr);column-gap:clamp(24px,5vw,72px);row-gap:16px;align-items:start;padding:28px 0 32px;border-left:0}
  .value+.value{border-top:1px solid var(--line-light)}
  .value__title{grid-column:1;grid-row:1}
  .value__bar{grid-column:1;grid-row:2}
  .value__text{grid-column:2;grid-row:1/span 2;font-size:16px;padding-top:3px}
}
@media (max-width:560px){
  .value,.value:first-child{grid-template-columns:minmax(0,1fr);padding:24px 0 28px}
  .value__text{grid-column:1;grid-row:3;font-size:15px;padding-top:0}
  .value__title{font-size:21px}
}

/* ---------- numbers ---------- */
.nums__note{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;color:var(--muted)}
.nums{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));column-gap:32px;row-gap:24px}
.num{position:relative;display:flex;flex-direction:column;gap:14px;padding-bottom:40px;border-top:1px solid var(--line-light)}
.num::before{content:"";position:absolute;left:0;top:-1px;width:40px;height:2px;background:var(--spark);transition:width .9s cubic-bezier(.6,0,.2,1) .2s}
.js .num:not(.is-in)::before{width:0}
.num__value{margin-top:32px;font-family:var(--f-head);font-size:clamp(34px,3.6vw,52px);font-weight:300;line-height:1;letter-spacing:-.02em;white-space:nowrap;font-variant-numeric:tabular-nums}
.num__label{font-size:17px;font-weight:500;line-height:1.35}
.num__sub{font-size:14px;line-height:1.5;color:var(--muted)}
@media (max-width:1024px){.nums{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px}}
@media (max-width:560px){
  .nums{column-gap:20px;row-gap:8px}
  .num{gap:10px;padding-bottom:28px}
  .num__value{margin-top:24px;font-size:clamp(28px,8vw,34px)}
  .num__label{font-size:15px}
  .num__sub{font-size:13px}
}

/* ---------- certifications ---------- */
.certs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cert{display:flex;flex-direction:column;justify-content:space-between;gap:32px;min-height:240px;padding:36px;background:var(--white);border-top:4px solid var(--core)}
.cert--spark{border-top-color:var(--spark)}
.cert__head{display:flex;flex-direction:column;gap:12px}
.cert__title{font-size:30px;font-weight:400;letter-spacing:-.015em;line-height:1.15}
.cert__meta{font-family:var(--f-mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1.45}
.cert__text{font-size:16px;line-height:1.55;color:var(--ink-3)}
.policy{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line-light)}
.policy .eyebrow{padding-top:5px}
.policy__text{max-width:860px;font-size:20px;line-height:1.55;font-weight:500}
@media (max-width:1024px){.cert{padding:32px 28px}.cert__title{font-size:26px}}
@media (max-width:900px){
  .certs{grid-template-columns:minmax(0,1fr);gap:12px}
  .cert{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end;gap:32px;min-height:0}
}
@media (max-width:640px){
  .cert{grid-template-columns:minmax(0,1fr);gap:20px;padding:28px 24px}
  .policy{grid-template-columns:minmax(0,1fr);gap:14px;margin-top:32px;padding-top:28px}
  .policy__text{font-size:18px}
}

/* ---------- closing CTA ---------- */
.about-cta .cta-band__actions{flex-direction:row;flex-wrap:wrap}
@media (max-width:560px){.about-cta .cta-band__actions{flex-direction:column}}

/* ---------- QA 2026-10-15 ---------- */
/* no orphaned last words in headings ("…20 жилийн / түүх.") */
.page-about main :is(h1,h2,h3){text-wrap:balance}
/* MN: keep the three certificate titles on one line so their meta rows align */
@media (min-width:901px){:lang(mn) .cert__title{font-size:26px}}