*,*::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{
  --ice:#F5F8FA;--ultra:#284BA8;--grn:#245B4D;
  --cor:#CF6758;--yel:#E9D994;--char:#28313A;
  --cortext:#C14938;--oncor:#181D23;
}
body{background:var(--ice);color:var(--char);
  font-family:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.64}
h1,h2,h3,h4,.rd-dates,.rd-btn{font-family:Jost,"Atkinson Hyperlegible",
  system-ui,sans-serif;font-weight:600}
h1,h2,h3,h4{line-height:1.14;margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1em}
.rd-in{max-width:1200px;margin:0 auto;padding:0 30px}

/* ---------- conventional top navigation on the white field ---------- */
.rd-head{background:var(--ice)}
.rd-head-in{max-width:1200px;margin:0 auto;padding:14px 30px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.rd-id{margin:0;font-weight:700;font-size:15px;color:var(--ultra)}
.rd-nav{margin-left:auto}
.rd-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;flex-wrap:wrap}
.rd-nav a{color:var(--char);text-decoration:none;font-size:15px;display:inline-flex;
  align-items:center;min-height:44px}
.rd-nav a:hover{color:var(--cortext)}

/* ---------- roundel opening: gradients, never DOM circles ---------- */
.rd-open{position:relative;overflow:hidden;background:var(--ice)}
.rd-open::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(circle 430px at 104% -6%,#284BA8 0 99.6%,rgba(0,0,0,0) 100%),radial-gradient(circle 360px at -6% 108%,#245B4D 0 99.6%,rgba(0,0,0,0) 100%),radial-gradient(circle 300px at 92% 112%,#CF6758 0 99.6%,rgba(0,0,0,0) 100%);
  animation:rd-swell .55s ease-out both}
@keyframes rd-swell{from{transform:scale(.965)}to{transform:none}}
@media (prefers-reduced-motion:reduce){.rd-open::before{animation:none;transform:none}}
.rd-open-in{position:relative;z-index:1;max-width:1200px;margin:0 auto;
  padding:78px 30px 96px;text-align:center}
.rd-kick{margin:0 auto 16px;color:var(--cortext);font-weight:700;font-size:14.5px}
.rd-open h1{font-size:clamp(36px,4.9vw,72px);margin:0 auto 22px;max-width:14ch;
  color:var(--ultra)}
.rd-dates{margin:0 auto 4px;font-size:clamp(22px,2.4vw,32px);color:var(--char)}
.rd-modes{margin:0 auto 26px;font-size:15px;color:#59636e;max-width:46ch}
.rd-acts{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:0}
.rd-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:0 24px;border:2px solid var(--ultra);color:var(--ultra);text-decoration:none;
  font-size:15px;background:var(--ice)}
.rd-btn--f{background:var(--ultra);color:#fff}
.rd-btn:hover{background:var(--cor);border-color:var(--cor);color:var(--oncor)}
.rd-shot{position:absolute;top:8px;right:22px;width:212px;margin:0;text-align:left}
.rd-shot img{width:212px;height:150px;object-fit:cover;box-shadow:0 0 0 6px var(--ice)}
.rd-shot figcaption{font-size:11px;color:#59636e;margin-top:8px;line-height:1.45;
  background:var(--ice);padding:4px 0}

/* ---------- sections ---------- */
.rd-sec{padding:60px 0;background:var(--ice)}
.rd-sec h2{font-size:clamp(26px,3vw,42px);color:var(--ultra)}
.rd-sub{color:#59636e;max-width:78ch}
.rd-big{font-size:18.5px;color:#3a444f;max-width:62ch}
.rd-note{font-size:14px;color:#59636e;border-left:4px solid var(--yel);
  padding-left:16px;max-width:62ch}
.rd-lnk{color:var(--cortext);font-weight:700}
.rd-ctx{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:50px}
.rd-ctx-side{background:#fff;padding:24px 22px}
.rd-ctx-side h3{font-size:14px;color:var(--grn)}
.rd-themes{margin:0;padding-left:20px;font-size:15px}
.rd-themes li{padding:8px 0;border-bottom:1px solid rgba(40,49,58,.16)}

/* ---------- rectangular day sections with one edge accent ---------- */
.rd-sec--days{padding-bottom:20px}
.rd-day{position:relative;overflow:hidden;background:#fff;padding:34px 0;
  margin-top:30px}
.rd-day::before{content:"";position:absolute;inset:0;pointer-events:none}
.rd-day--a::before{background:radial-gradient(circle 110px at -3% 50%,
  rgba(40,75,168,.16) 0 99.5%,rgba(0,0,0,0) 100%)}
.rd-day--b::before{background:radial-gradient(circle 110px at 103% 30%,
  rgba(36,91,77,.16) 0 99.5%,rgba(0,0,0,0) 100%)}
.rd-day--c::before{background:radial-gradient(circle 110px at -3% 20%,
  rgba(207,103,88,.16) 0 99.5%,rgba(0,0,0,0) 100%)}
.rd-day .rd-in{position:relative;z-index:1}
.rd-day-h{display:flex;gap:20px;align-items:baseline;flex-wrap:wrap;
  padding-bottom:14px;border-bottom:2px solid var(--ultra)}
.rd-day-h h3{margin:0;font-size:clamp(22px,2.5vw,32px);color:var(--ultra)}
.rd-day-d{margin:0;font-size:18px;font-weight:700}
.rd-day-n{margin:0 0 0 auto;font-size:13.5px;color:#59636e}
.rd-slist{list-style:none;margin:20px 0 16px;padding:0;columns:2;column-gap:50px}
.rd-slist li{break-inside:avoid;display:grid;grid-template-columns:70px 1fr;gap:16px;
  padding:13px 0;border-bottom:1px solid rgba(40,49,58,.14)}
.rd-s-t{margin:0;font-weight:700;font-size:14px;color:var(--grn)}
.rd-slist h4{margin:0 0 3px;font-size:16.5px}
.rd-s-w{margin:0;font-size:13.5px;color:#59636e}
.rd-s-p{margin:5px 0 0;font-size:13.5px;color:#6c757f}

/* ---------- open rectangular profiles ---------- */
.rd-profs{display:grid;grid-template-columns:repeat(3,1fr);gap:32px 28px;margin:28px 0 24px}
.rd-prof img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:0;
  margin-bottom:14px}
.rd-prof h3{margin:0 0 4px;font-size:20px;color:var(--ultra)}
.rd-prof-r{margin:0 0 10px;font-size:13.5px;color:#59636e}
.rd-prof-s{margin:0;font-size:14.5px;border-top:3px solid var(--yel);padding-top:9px}

/* ---------- attendance / images / venue / sponsorship ---------- */
.rd-sec--att{background:var(--ultra);color:#d5ddf0}
.rd-sec--att h2{color:#fff}
.rd-sec--att .rd-big{color:#c4d0e8}
.rd-att{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:46px;
  align-items:start}
.rd-att-acts{display:grid;gap:12px;margin:0}
.rd-sec--att .rd-btn{background:transparent;border-color:var(--ice);color:var(--ice)}
.rd-sec--att .rd-btn--f{background:var(--yel);border-color:var(--yel);color:var(--char)}
.rd-gal{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.rd-gf{margin:0}
.rd-gf img{width:100%;aspect-ratio:3/2;object-fit:cover}
.rd-gf figcaption{font-size:12.5px;color:#59636e;margin-top:8px}
.rd-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:34px}
.rd-q{margin:0;background:#fff;padding:24px;border-left:5px solid var(--grn)}
.rd-q blockquote{margin:0}
.rd-q p{margin:0 0 12px;font-size:16px}
.rd-q figcaption{font-size:13.5px;font-weight:700;color:var(--ultra)}
.rd-sec--venue{background:var(--grn);color:#dbe8e3}
.rd-sec--venue h2{color:#fff}
.rd-sec--venue .rd-big{color:#c9ddd6}
.rd-sec--venue .rd-lnk{color:var(--yel)}
.rd-venue{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:46px}
.rd-venue-dl{margin:0;background:var(--ice);color:var(--char);padding:8px 24px}
.rd-venue-dl>div{padding:13px 0;border-bottom:1px solid rgba(40,49,58,.16)}
.rd-venue-dl>div:last-child{border-bottom:0}
.rd-venue-dl dt{font-size:12px;letter-spacing:.1em;color:var(--grn);font-weight:700}
.rd-venue-dl dd{margin:2px 0 0;font-weight:700;color:var(--ultra)}
.rd-spon{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:44px;
  align-items:center}
.rd-spon-acts{display:grid;gap:12px;margin:0}

/* ---------- faq / organizer ---------- */
.rd-d{border-bottom:1px solid rgba(40,49,58,.2)}
.rd-d summary{font-weight:600;font-size:17px;padding:15px 0;color:var(--ultra)}
.rd-d summary:hover{color:var(--cortext)}
.rd-d p{margin:0 0 16px;color:#59636e;max-width:74ch}
.rd-sec--org{background:#fff}
.rd-org{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:46px;
  align-items:start}
.rd-org-hq{margin-top:-8px;font-weight:700;color:var(--grn)}
.rd-org p{color:#3a444f}
.rd-org-side h3{font-size:13px;letter-spacing:.1em;color:var(--cortext);margin-top:24px}
.rd-org-side h3:first-child{margin-top:0}
.rd-values,.rd-org-links{list-style:none;margin:0;padding:0}
.rd-values li{padding:8px 0;border-bottom:1px solid rgba(40,49,58,.16);font-weight:700}
.rd-org-links li{border-bottom:1px solid rgba(40,49,58,.16)}
.rd-org-links a{display:flex;align-items:center;min-height:48px}

/* ---------- footer ---------- */
.ft{background:var(--char);color:#c6cdd4;padding:50px 0 32px}
.ft-in{max-width:1200px;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(--ice);font-size:14.5px;min-height:44px;display:inline-flex;
  align-items:center}
.ft-links a:hover{color:var(--yel)}
.ft-note{font-size:13px;color:#98a1aa;max-width:78ch;margin:0 0 10px}
.ft-c{font-size:12.5px;color:#909aa3;margin:22px 0 0;
  border-top:1px solid rgba(245,248,250,.18);padding-top:18px}

/* ---------- tablet ---------- */
@media (max-width:1040px){
  .rd-open-in{padding-top:40px;padding-bottom:54px}
  .rd-shot{position:static;width:auto;margin:32px auto 0;max-width:420px}
  .rd-shot img{width:100%;height:clamp(200px,34vw,280px);box-shadow:none}
  .rd-shot figcaption{text-align:center}
  .rd-ctx,.rd-att,.rd-venue,.rd-spon,.rd-org{grid-template-columns:1fr;gap:30px}
  .rd-slist{columns:1}
  .rd-profs{grid-template-columns:repeat(2,1fr)}
  .rd-gal{grid-template-columns:1fr}
  .rd-quotes{grid-template-columns:1fr}
}
/* ---------- mobile: three cropped corner fields, central text column ------- */
@media (max-width:640px){
  body{font-size:16px}
  .rd-in,.rd-head-in,.rd-open-in{padding-left:20px;padding-right:20px}
  .rd-nav ul{gap:16px}
  .rd-open::before{background:
    radial-gradient(circle 150px at 108% -4%,var(--ultra) 0 99.6%,rgba(0,0,0,0) 100%),
    radial-gradient(circle 120px at -8% 101%,var(--grn) 0 99.6%,rgba(0,0,0,0) 100%),
    radial-gradient(circle 100px at 104% 104%,var(--cor) 0 99.6%,rgba(0,0,0,0) 100%)}
  .rd-open-in{padding-top:32px;padding-bottom:40px;text-align:left}
  .rd-kick,.rd-open h1,.rd-dates,.rd-modes{margin-left:0;margin-right:0;max-width:none}
  .rd-open h1{font-size:clamp(36px,9.8vw,44px)}
  .rd-acts{justify-content:flex-start;display:grid;gap:10px}
  .rd-shot{margin:26px 0 0;max-width:none}
  .rd-shot figcaption{text-align:left}
  .rd-sec{padding:40px 0}
  .rd-day{padding:24px 0;margin-top:22px}
  .rd-day-n{margin-left:0}
  .rd-profs{grid-template-columns:1fr}
  .ft-links{flex-direction:column;gap:0}
}