*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
/* Grid/flex children default to min-width:auto and refuse to shrink below their
   content, which is the usual cause of mobile horizontal overflow. */
main *,footer *,header *{min-width:0}
h1,h2,h3,h4,p,li,blockquote,figcaption,dd,dt,summary{overflow-wrap:break-word}
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:.75rem 1.25rem;background:#000;color:#fff;text-decoration:none}
.skip:focus{left:0}
:focus-visible{outline:3px solid currentColor;outline-offset:2px}
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
details>summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
details>summary::-webkit-details-marker{display:none}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

:root{
  --bw:#F5F8FA;--blu:#245A88;--ink:#21303D;
  --org:#D97636;--ln:#C8D4DC;
}
body{background:var(--bw);color:var(--ink);
  font-family:"Fira Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.62}
h1,h2,h3,.tt-st-d,.tt-btn{font-family:"Saira Semi Condensed","Fira Sans",
  system-ui,sans-serif;font-weight:600}
h1,h2,h3{line-height:1.14;margin:0 0 .5em}
p{margin:0 0 1em}
.tt-in{max-width:1260px;margin:0 auto;padding:0 30px}

/* ---------- plain header ---------- */
.tt-head{background:var(--bw);border-bottom:1px solid var(--ln)}
.tt-head-in{max-width:1260px;margin:0 auto;padding:12px 30px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.tt-id{margin:0;font-weight:600;font-size:15px;color:var(--blu)}
.tt-nav{margin-left:auto}
.tt-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;flex-wrap:wrap}
.tt-nav a{color:var(--ink);text-decoration:none;font-size:15px;display:inline-flex;
  align-items:center;min-height:44px}
.tt-nav a:hover{color:var(--org)}

/* ---------- upper identity region ---------- */
.tt-upper{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;
  padding-top:50px;padding-bottom:40px;align-items:end}
.tt-kick{margin:0 0 12px;color:var(--org);font-weight:600;font-size:15px}
.tt-upper h1{font-size:clamp(36px,4.8vw,70px);margin:0 0 18px;max-width:17ch;
  color:var(--blu)}
.tt-lede{margin:0;font-size:17px;color:#46596a;max-width:62ch}
.tt-acts{display:grid;gap:10px;margin:0}
.tt-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:0 20px;border:2px solid var(--blu);color:var(--blu);text-decoration:none;
  font-size:15px;background:transparent}
.tt-btn--f{background:var(--blu);color:#fff}
.tt-btn:hover{background:var(--org);border-color:var(--org);color:#fff}

/* ---------- the trace field ---------- */
.tt-field{position:relative;height:380px;margin-bottom:10px}
.tt-line{position:absolute;inset:0;width:100%;height:100%}
.tt-line polyline{fill:none;stroke:var(--blu);stroke-width:2;
  stroke-dasharray:2600;stroke-dashoffset:2600;animation:tt-draw 1.6s ease-out .2s forwards}
.tt-line circle{fill:var(--org);stroke:none}
@keyframes tt-draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){
  .tt-line polyline{stroke-dashoffset:0;animation:none}}
.tt-station{position:absolute;width:27%;background:#fff;border:1px solid var(--ln);
  border-top:4px solid var(--blu);padding:16px 18px 14px;text-decoration:none;
  color:var(--ink);display:block}
.tt-station:hover{border-color:var(--org);border-top-color:var(--org)}
.tt-station--1{left:2%;top:8px}
.tt-station--2{left:35.5%;top:98px}
.tt-station--3{left:69%;top:188px}
.tt-st-n{display:block;font-size:11.5px;letter-spacing:.12em;color:var(--org);
  font-weight:600;margin-bottom:6px}
.tt-st-d{display:block;font-size:21px;color:var(--blu);margin-bottom:6px}
.tt-st-t{display:block;font-size:13.5px;color:#46596a;line-height:1.45;margin-bottom:8px}
.tt-st-c{display:block;font-size:12.5px;color:#6a7c8a}
.tt-shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.tt-shot{grid-column:2;margin:0}
.tt-shot img{width:100%;height:230px;object-fit:cover;border:1px solid var(--ln)}
.tt-shot figcaption{font-size:12px;color:#6a7c8a;margin-top:8px}
.tt-note{margin:26px 0 0;font-size:13px;color:#6a7c8a;max-width:78ch}
.tt-listh{font-size:13px;letter-spacing:.12em;color:var(--org);margin:26px 0 10px}
.tt-textlist{margin:0 0 54px;padding-left:22px;font-size:16px}
.tt-textlist li{padding:9px 0;border-bottom:1px solid var(--ln)}
.tt-textlist a{color:var(--blu);text-decoration:none}
.tt-textlist a:hover{text-decoration:underline}

/* ---------- sections ---------- */
.tt-sec{padding:56px 0}
.tt-sec h2{font-size:clamp(25px,2.9vw,40px);color:var(--blu)}
.tt-sub{color:#46596a;max-width:76ch}
.tt-big{font-size:18px;color:#37495a;max-width:62ch}
.tt-lnk{color:var(--org);font-weight:600}

/* ---------- chronological chapters ---------- */
.tt-chap{background:#fff;border-top:1px solid var(--ln)}
.tt-chap-h{display:flex;gap:20px;align-items:baseline;flex-wrap:wrap;
  padding-bottom:14px;border-bottom:2px solid var(--blu)}
.tt-chap-k{margin:0;font-size:11.5px;letter-spacing:.12em;color:var(--org);
  font-weight:600}
.tt-chap-h h2{margin:0}
.tt-chap-n{margin:0 0 0 auto;font-size:13.5px;color:#6a7c8a}
.tt-chap-b{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:42px;
  margin-top:22px;align-items:start}
.tt-slist{list-style:none;margin:0;padding:0}
.tt-slist>li{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:15px 0;
  border-bottom:1px solid var(--ln)}
.tt-s-t{margin:0;font-weight:600;font-size:15px;color:var(--blu)}
.tt-slist h3{margin:0 0 3px;font-size:17.5px}
.tt-s-w{margin:0;font-size:14px;color:#46596a}
.tt-s-p{margin:7px 0 0;padding-left:18px;font-size:13.5px;color:#6a7c8a}
.tt-aside{background:var(--bw);border:1px solid var(--ln);padding:18px}
.tt-aside-h{margin:0 0 12px;font-size:11.5px;letter-spacing:.12em;color:var(--org);
  font-weight:600}
.tt-heads{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:14px}
.tt-heads li{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:center}
.tt-heads img{width:54px;height:54px;object-fit:cover}
.tt-h-n{margin:0;font-weight:600;font-size:14px}
.tt-h-r{margin:0;font-size:12.5px;color:#6a7c8a}

/* ---------- verified sessions ---------- */
.tt-sec--ses{background:var(--blu);color:#dbe7ef}
.tt-sec--ses h2{color:#fff}
.tt-sec--ses .tt-big{color:#c6dae7}
.tt-sec--ses p{color:#c6dae7}
.tt-ses{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:46px;
  align-items:start}
.tt-counts{margin:0;background:#fff;color:var(--ink);padding:8px 24px}
.tt-counts>div{padding:13px 0;border-bottom:1px solid var(--ln)}
.tt-counts>div:last-child{border-bottom:0}
.tt-counts dt{font-size:12.5px;color:#6a7c8a}
.tt-counts dd{margin:2px 0 0;font-weight:600;color:var(--blu);font-size:17px}

/* ---------- speaker register ---------- */
.tt-regs{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;margin:26px 0 24px}
.tt-reg{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:start;
  border-top:1px solid var(--ln);padding-top:18px}
.tt-reg img{width:96px;height:120px;object-fit:cover}
.tt-reg h3{margin:0 0 4px;font-size:18px}
.tt-reg-r{margin:0 0 8px;font-size:13.5px;color:#6a7c8a}
.tt-reg-s{margin:0;font-size:14.5px}

/* ---------- participation / themes / evidence / venue / faq ---------- */
.tt-sec--part{background:#fff;border-top:1px solid var(--ln)}
.tt-part{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:46px;
  align-items:start}
.tt-part-acts{display:grid;gap:12px;margin:0}
.tt-sec--th{background:var(--bw)}
.tt-themes{list-style:none;margin:24px 0 0;padding:0;columns:2;column-gap:46px}
.tt-themes li{break-inside:avoid;display:grid;grid-template-columns:40px 1fr;gap:10px;
  padding:11px 0;border-bottom:1px solid var(--ln);font-size:15.5px}
.tt-tn{color:var(--org);font-weight:600;font-family:"Saira Semi Condensed",sans-serif}
.tt-gal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.tt-gf{margin:0}
.tt-gf img{width:100%;aspect-ratio:3/2;object-fit:cover;border:1px solid var(--ln)}
.tt-gf figcaption{font-size:12.5px;color:#6a7c8a;margin-top:8px}
.tt-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:34px}
.tt-q{margin:0;background:#fff;padding:24px;border:1px solid var(--ln);
  border-left:5px solid var(--org)}
.tt-q blockquote{margin:0}
.tt-q p{margin:0 0 12px;font-size:16px}
.tt-q figcaption{font-size:13.5px;font-weight:600;color:var(--blu)}
.tt-sec--venue{background:#fff;border-top:1px solid var(--ln)}
.tt-venue{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:46px}
.tt-venue-dl{margin:0;background:var(--bw);padding:8px 24px;border:1px solid var(--ln)}
.tt-venue-dl>div{padding:13px 0;border-bottom:1px solid var(--ln)}
.tt-venue-dl>div:last-child{border-bottom:0}
.tt-venue-dl dt{font-size:12px;letter-spacing:.1em;color:var(--org);font-weight:600}
.tt-venue-dl dd{margin:2px 0 0;font-weight:600;color:var(--blu)}
.tt-faq{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;
  align-items:start}
.tt-faq details{border-bottom:1px solid var(--ln)}
.tt-faq summary{font-weight:600;font-size:17px;padding:15px 0;color:var(--blu)}
.tt-faq summary:hover{color:var(--org)}
.tt-faq details p{margin:0 0 16px;color:#46596a;max-width:66ch}
.tt-org{background:#fff;border:1px solid var(--ln);padding:24px}
.tt-org h3{margin:0 0 2px;font-size:19px;color:var(--blu)}
.tt-org-hq{margin:0 0 10px;font-size:14px;color:var(--org);font-weight:600}
.tt-org p{font-size:14.5px;color:#46596a}

/* ---------- footer ---------- */
.ft{background:var(--ink);color:#c2d0da;padding:50px 0 32px}
.ft-in{max-width:1260px;margin:0 auto;padding:0 30px}
.ft-org strong{color:#fff}
.ft-links{list-style:none;display:flex;flex-wrap:wrap;gap:2px 26px;padding:0;margin:0 0 18px}
.ft-links a{color:var(--bw);font-size:14.5px;min-height:44px;display:inline-flex;
  align-items:center}
.ft-links a:hover{color:var(--org)}
.ft-note{font-size:13px;color:#93a4b1;max-width:78ch;margin:0 0 10px}
.ft-c{font-size:12.5px;color:#7f929f;margin:22px 0 0;
  border-top:1px solid rgba(245,248,250,.18);padding-top:18px}

/* ---------- tablet ---------- */
@media (max-width:1040px){
  .tt-upper{grid-template-columns:1fr;gap:26px;align-items:start}
  .tt-chap-b,.tt-ses,.tt-part,.tt-venue,.tt-faq{grid-template-columns:1fr;gap:30px}
  .tt-regs{grid-template-columns:1fr}
  .tt-themes{columns:1}
  .tt-gal{grid-template-columns:1fr}
  .tt-quotes{grid-template-columns:1fr}
  .tt-shot-row{grid-template-columns:1fr}
  .tt-shot{grid-column:1}
}
/* ---------- mobile: vertical rule, three full-width stations ---------- */
@media (max-width:860px){
  .tt-line{display:none}
  .tt-field{height:auto;border-left:2px solid var(--blu);padding-left:26px;
    display:grid;gap:16px;margin-bottom:26px}
  .tt-station,.tt-station--1,.tt-station--2,.tt-station--3{position:relative;
    left:auto;right:auto;top:auto;width:auto}
  .tt-station::before{content:"";position:absolute;left:-33px;top:20px;width:12px;
    height:12px;background:var(--org);border-radius:50%}
}
@media (max-width:640px){
  body{font-size:16px}
  .tt-in,.tt-head-in{padding-left:20px;padding-right:20px}
  .tt-nav ul{gap:16px}
  .tt-upper{padding-top:30px;padding-bottom:26px}
  .tt-upper h1{font-size:clamp(36px,9.6vw,42px)}
  .tt-sec{padding:40px 0}
  .tt-chap-n{margin-left:0}
  .tt-slist>li{grid-template-columns:64px 1fr;gap:12px}
  .tt-reg{grid-template-columns:76px 1fr;gap:14px}
  .tt-reg img{width:76px;height:96px}
  .tt-shot img{height:200px}
  .ft-links{flex-direction:column;gap:0}
}