*,*::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{--ivory:#F4F0E7;--plum:#211A25;--teal:#2E706A;--brass:#B09150;--white:#FFFFFF;
 --quiet:#5b5260;--rule:#d9d1c2}
body{background:var(--ivory);color:var(--plum);
 font:400 17px/1.7 "DM Sans",system-ui,sans-serif}
h1,h2,h3{font-family:Marcellus,Georgia,serif;font-weight:400;letter-spacing:.005em}

/* ---- symmetrical header: two links, centred identity, two links ---- */
.nd-hd{background:var(--white);border-bottom:3px solid var(--plum)}
.nd-hd-in{max-width:1180px;margin:0 auto;padding:14px 22px;display:grid;
 grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
.nd-hn{display:flex;gap:24px;list-style:none;margin:0;padding:0;font-size:14.5px;
 font-weight:500}
.nd-hn--r{justify-content:flex-end}
.nd-hn a{text-decoration:none;padding:12px 0;display:inline-block}
.nd-hn a:hover{color:var(--teal)}
.nd-id{text-align:center;font-family:Marcellus,Georgia,serif;font-size:19px;
 line-height:1.2;margin:0}
.nd-id span{display:block;font-family:"DM Sans",system-ui,sans-serif;font-size:12.5px;
 color:var(--quiet)}
.nd-m{display:none}

/* ---- stepped opening ---- */
.nd-op{padding:44px 0 0}
.nd-frame{max-width:1180px;margin:0 auto;padding:0 22px;
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,640px) minmax(0,1fr);
 gap:30px;align-items:center}
.nd-mono{grid-column:2;display:grid;justify-items:center;gap:6px}
.nd-b{width:100%;background:var(--plum)}
.nd-b1{max-width:36%;height:22px}
.nd-b2{max-width:58%;background:var(--teal);color:var(--white);
 display:flex;align-items:center;justify-content:center;padding:9px 16px}
.nd-b3{max-width:84%;color:var(--ivory);padding:34px 24px;text-align:center}
.nd-b4{max-width:96%;background:var(--brass);color:#241c10;padding:11px 16px;
 text-align:center}
.nd-b5{max-width:100%;height:18px}
.nd-kick{margin:0;font-size:14.5px;font-weight:500}
h1{margin:0;font-size:clamp(36px,5.2vw,70px);line-height:1.04}
.nd-sum{margin:0;font-size:14px;font-weight:500}
.nd-rail{margin:0;border-top:3px solid var(--plum);padding:14px 0 0}
.nd-rail--l{grid-column:1;text-align:right}
.nd-rail--r{grid-column:3}
.nd-rail dt{font-size:12.5px;color:var(--quiet)}
.nd-rail dd{margin:2px 0 14px;font-size:15.5px;font-weight:500;line-height:1.45}
.nd-rail dd:last-child{margin-bottom:0}
.nd-band{display:none}

/* ---- action strip sits immediately above the base photograph ---- */
.nd-strip{margin:40px 0 0;background:var(--plum);color:var(--ivory)}
.nd-strip-in{max-width:1180px;margin:0 auto;padding:18px 22px;display:flex;
 flex-wrap:wrap;gap:16px 26px;align-items:center;justify-content:space-between}
.nd-strip p{margin:0;font-size:15px;max-width:52ch}
.nd-acts{display:flex;gap:12px;flex-wrap:wrap}
.nd-a{display:inline-block;padding:13px 22px;font-weight:700;font-size:15px;
 text-decoration:none;background:var(--brass);color:#1b1410}
.nd-a--alt{background:transparent;color:var(--ivory);box-shadow:inset 0 0 0 2px var(--ivory)}
.nd-a:hover{background:var(--teal);color:var(--white);box-shadow:none}
.nd-base{margin:0}
.nd-base img{width:100%;height:auto;aspect-ratio:200/53;object-fit:cover;
 object-position:50% 38%}
.nd-base figcaption{max-width:1180px;margin:0 auto;padding:10px 22px;
 font-size:12.5px;color:var(--quiet)}

/* ---- generic sections ---- */
.nd-s{max-width:1180px;margin:0 auto;padding:66px 22px}
.nd-s--w{background:var(--white);max-width:none}
.nd-s--w>*{max-width:1180px;margin-left:auto;margin-right:auto}
h2{font-size:clamp(27px,3.1vw,42px);margin:0 0 16px;line-height:1.14}
.nd-lead{font-size:18.5px;max-width:66ch;margin:0 0 26px;color:#3b3340}
.nd-note{color:var(--quiet);margin:0 0 24px;max-width:70ch}
.nd-more{margin:28px 0 0;font-weight:700}
.nd-more a{color:var(--teal)}

.nd-why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;
 list-style:none;margin:0;padding:0}
.nd-why li{border-top:3px solid var(--teal);padding:16px 0 0}
.nd-why h3{margin:0 0 6px;font-size:21px}
.nd-why p{margin:0;color:#3b3340;font-size:15.5px}

/* ---- programme: five stepped horizontal sections, alternating edge ---- */
.nd-days{display:grid;gap:26px}
.nd-day{position:relative;background:var(--white);padding:0 0 24px;
 box-shadow:0 0 0 1px var(--rule)}
.nd-day:nth-child(odd){margin-right:7%}
.nd-day:nth-child(even){margin-left:7%}
.nd-ledge{height:14px;background:var(--plum)}
.nd-day:nth-child(even) .nd-ledge{background:var(--teal)}
.nd-day-h{padding:22px 26px 0;display:flex;flex-wrap:wrap;gap:6px 20px;align-items:baseline}
.nd-day-h h3{margin:0;font-size:24px}
.nd-date{margin:0;font-weight:700;font-size:15.5px;color:var(--teal)}
.nd-count{margin:0 0 0 auto;font-size:14px;color:var(--quiet);
 font-variant-numeric:tabular-nums}
.nd-theme{margin:10px 26px 0;max-width:72ch;color:#3b3340}
.nd-sess{list-style:none;margin:18px 0 0;padding:0 26px}
.nd-sess li{display:grid;grid-template-columns:118px minmax(0,1fr);gap:8px 22px;
 padding:14px 0;border-top:1px solid var(--rule)}
.nd-time{margin:0;font-weight:700;font-size:14.5px;font-variant-numeric:tabular-nums}
.nd-sess h4{margin:0;font-family:"DM Sans",system-ui,sans-serif;font-size:17px;
 font-weight:700}
.nd-room{margin:2px 0 0;font-size:13.5px;color:var(--quiet)}
.attr{margin:6px 0 0;font-size:13.5px;color:#3b3340}
.nd-day-more{margin:18px 26px 0;font-size:15px;font-weight:700}
.nd-day-more a{color:var(--teal)}

/* ---- speakers: paired profiles, typography before portraiture ---- */
.nd-pairs{display:grid;gap:30px}
.nd-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;
 border-top:3px solid var(--plum);padding:22px 0 0}
.nd-pair:nth-child(even){margin-left:6%}
.nd-prof{display:grid;grid-template-columns:86px minmax(0,1fr);gap:18px;
 align-items:start;margin:0}
.nd-prof img{width:86px;height:110px;object-fit:cover;object-position:50% 22%}
.nd-prof h3{margin:0;font-size:22px;line-height:1.2}
.nd-role{margin:5px 0 0;font-size:14.5px;color:#3b3340}
.nd-org{margin:4px 0 0;font-size:14.5px;font-weight:700;color:var(--teal)}
.nd-track{margin:6px 0 0;font-size:13px;color:var(--quiet)}

/* ---- participation / partnership ---- */
.nd-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;
 list-style:none;margin:0;padding:0}
.nd-modes li{background:var(--white);padding:24px;box-shadow:0 0 0 1px var(--rule)}
.nd-modes h3{margin:0 0 8px;font-size:22px}
.nd-modes p{margin:0;color:#3b3340;font-size:15.5px}
.nd-part{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;
 align-items:start}
.nd-contact{background:var(--plum);color:var(--ivory);padding:24px}
.nd-contact h3{margin:0 0 10px;font-size:21px;color:var(--white)}
.nd-contact p{margin:0 0 8px;font-size:15px}
.nd-contact a{color:var(--brass);font-weight:700}

/* ---- venue + images ---- */
.nd-venue{display:grid;grid-template-columns:190px minmax(0,1fr);gap:0 28px;
 margin:0 0 34px;max-width:760px}
.nd-venue dt{font-size:13.5px;color:var(--quiet);padding:9px 0;
 border-top:1px solid var(--rule)}
.nd-venue dd{margin:0;font-weight:500;padding:9px 0;border-top:1px solid var(--rule)}
.nd-gal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.nd-gal figure{margin:0}
.nd-gal img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.nd-gal figcaption{margin-top:8px;font-size:12.5px;color:var(--quiet)}

/* ---- questions ---- */
.nd-q{border-top:1px solid var(--rule);padding:6px 0}
.nd-q summary{font-family:Marcellus,Georgia,serif;font-size:19px;padding:12px 0}
.nd-q p{margin:0 0 16px;max-width:68ch;color:#3b3340}

/* ---- footer ---- */
.ft{background:var(--plum);color:#ded6c9;margin-top:8px}
.ft-in{max-width:1180px;margin:0 auto;padding:48px 22px;display:grid;gap:12px}
.ft-org strong{color:var(--white)}
.ft-links{list-style:none;display:flex;flex-wrap:wrap;gap:18px;padding:0;margin:8px 0}
.ft-links a{color:var(--brass);font-weight:700;font-size:14.5px}
.ft-note,.ft-id,.ft-contact{font-size:13.5px;color:#c6bcae;margin:0;max-width:78ch}
.ft-contact a{color:var(--white)}
.ft-c{font-size:13px;color:#b0a597;margin:10px 0 0}

@media (max-width:1000px){
  .nd-why{grid-template-columns:1fr 1fr}
  .nd-part{grid-template-columns:1fr}
}
@media (max-width:820px){
  /* three solid blocks behind the title; the two rails become one band */
  .nd-hd-in{grid-template-columns:minmax(0,1fr) auto;gap:12px}
  /* hide the nav elements themselves, not just their lists -- an empty <nav>
     still occupies a grid cell and would push the header onto two rows. */
  .nd-hd-in>nav{display:none}
  .nd-id{text-align:left}
  .nd-m{display:block;justify-self:end}
  .nd-m-top{display:flex;gap:10px;align-items:center}
  .nd-m summary{list-style:none;font-weight:700;font-size:15px;padding:0 14px;
   background:var(--ivory);box-shadow:inset 0 0 0 2px var(--plum)}
  .nd-m-l{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:2px}
  .nd-m-l a{display:block;padding:12px 14px;background:var(--white);
   text-decoration:none;font-weight:500;box-shadow:inset 0 0 0 1px var(--rule)}
  .nd-m-reg{display:inline-block;padding:12px 16px;background:var(--brass);
   color:#1b1410;font-weight:700;text-decoration:none;font-size:15px}
  .nd-frame{grid-template-columns:minmax(0,1fr);gap:22px}
  .nd-mono{grid-column:1}
  .nd-b1,.nd-b5{display:none}
  .nd-b2{max-width:70%}
  .nd-b3{max-width:100%;padding:26px 18px}
  .nd-b4{max-width:100%}
  .nd-rail{display:none}
  .nd-band{display:grid;grid-column:1;grid-template-columns:repeat(2,minmax(0,1fr));
   gap:10px 22px;margin:0;border-top:3px solid var(--plum);padding:14px 0 0}
  .nd-band dt{font-size:12.5px;color:var(--quiet)}
  .nd-band dd{margin:2px 0 8px;font-weight:500;font-size:15px}
  .nd-day:nth-child(odd),.nd-day:nth-child(even),.nd-pair:nth-child(even){
   margin-left:0;margin-right:0}
  .nd-pair{grid-template-columns:minmax(0,1fr);gap:22px}
  .nd-sess li{grid-template-columns:minmax(0,1fr);gap:4px}
  .nd-modes,.nd-gal{grid-template-columns:minmax(0,1fr)}
  .nd-venue{grid-template-columns:minmax(0,1fr);gap:0}
  .nd-venue dt{padding-bottom:0;border-top:1px solid var(--rule)}
  .nd-venue dd{padding-top:2px;border-top:0}
  .nd-day-h,.nd-theme,.nd-sess,.nd-day-more{padding-left:18px;padding-right:18px}
  .nd-theme,.nd-day-more{margin-left:0;margin-right:0}
  .nd-base img{aspect-ratio:3/2}
  .nd-acts{width:100%}
  .nd-a{flex:1;text-align:center}
}
@media (max-width:480px){
  .nd-why{grid-template-columns:minmax(0,1fr)}
  .nd-prof{grid-template-columns:72px minmax(0,1fr);gap:14px}
  .nd-prof img{width:72px;height:92px}
}
@media (prefers-reduced-motion:no-preference){
  .nd-b{animation:nd-assemble .5s cubic-bezier(.22,.7,.3,1) backwards}
  .nd-b2{animation-delay:.06s}
  .nd-b3{animation-delay:.12s}
  .nd-b4{animation-delay:.18s}
  .nd-b5{animation-delay:.24s}
  @keyframes nd-assemble{from{transform:translateY(16px);opacity:0}}
}