:root{
  --pri:#7d3c6a;--pri-d:#5c2b50;--pri-dd:#3f1d37;--gold:#c8a15c;--gold-l:#e6c78f;--gold-d:#a67e3f;
  --bg:#f7f3ec;--bg2:#efe7d9;--paper:#ffffff;--txt:#2c2130;--muted:#6d6270;--line:#e8dfd3;
  --pri-rgb:125,60,106;--acc-rgb:200,161,92;--side:82px;
  --soft:0 20px 50px rgba(125,60,106,.10);
  --sans:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Georgia,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);background:var(--bg);color:var(--txt);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
     background-image:radial-gradient(720px 420px at 88% -6%,rgba(var(--pri-rgb),.09),transparent),radial-gradient(640px 420px at -6% 104%,rgba(var(--acc-rgb),.12),transparent)}
a{text-decoration:none;color:inherit}
html{scroll-behavior:smooth}
section[id],[id].reveal{scroll-margin-top:24px}
.serif{font-family:var(--serif)}.gold{color:var(--gold-d)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:14.5px;cursor:pointer;border:1px solid transparent;transition:transform .2s,background .2s,box-shadow .2s}
.btn.gold{background:linear-gradient(120deg,var(--gold),var(--gold-l));color:#3d2c10;box-shadow:0 12px 28px rgba(var(--acc-rgb),.34)}
.btn.gold:hover{transform:translateY(-2px)}
.btn.line{border-color:rgba(var(--pri-rgb),.32);color:var(--pri);background:#fff}.btn.line:hover{border-color:var(--pri);box-shadow:var(--soft)}
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}.reveal.in{opacity:1;transform:none}

/* ================= LEFT MINI-SIDEBAR (expands on hover) ================= */
.shell{min-height:100vh}
.side{position:fixed;top:0;left:0;height:100vh;width:var(--side);z-index:70;background:linear-gradient(190deg,var(--header,var(--pri)),var(--pri-dd));color:#efe3d2;display:flex;flex-direction:column;padding:18px 0 14px;overflow:hidden;white-space:nowrap;transition:width .3s cubic-bezier(.4,0,.2,1);box-shadow:6px 0 40px rgba(0,0,0,.16)}
.side:hover{width:262px}
.sbrand{display:flex;align-items:center;gap:13px;padding:0 22px 6px;margin-bottom:14px;min-height:50px}
.sbrand .logo{width:46px;height:46px;flex:none;border-radius:12px;background:#fff;padding:5px;display:flex;align-items:center;justify-content:center;transition:width .3s cubic-bezier(.4,0,.2,1),height .3s cubic-bezier(.4,0,.2,1)}
.sbrand .logo img{max-width:100%;max-height:100%;object-fit:contain}
/* the rail is narrow, so the mark grows once the sidebar expands on hover */
.side:hover .sbrand .logo{width:66px;height:66px;padding:7px}
.sbrand .sname{font-weight:700;font-size:14px;line-height:1.25;opacity:0;transition:opacity .22s}
.side:hover .sbrand .sname{opacity:1}
.snav{display:flex;flex-direction:column;gap:3px;padding:8px 16px;flex:1;overflow-y:auto;overflow-x:hidden}
.snav::-webkit-scrollbar{width:0}
.snav a{display:flex;align-items:center;gap:16px;padding:12px 13px;border-radius:12px;color:#e7d9c5;font-weight:600;font-size:14.5px;transition:background .2s,color .2s}
.snav a svg{width:23px;height:23px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.snav a span{opacity:0;transition:opacity .22s}
.side:hover .snav a span{opacity:1}
.snav a:hover{background:rgba(255,255,255,.13);color:#fff}
.snav-sub{display:flex;flex-direction:column;max-height:0;overflow:hidden;transition:max-height .3s;margin:2px 0 2px 26px;border-left:2px solid rgba(255,255,255,.18);padding-left:6px}
.side:hover .snav-sub{max-height:360px}
.snav-sub a{padding:8px 12px;font-size:13px;color:#d8c8b2}
.snav-sub a span{opacity:0;transition:opacity .22s}
.side:hover .snav-sub a span{opacity:1}
.snav-sub a:hover{color:#fff;background:rgba(255,255,255,.1)}
.sfoot{padding:10px 16px 2px}
.sreg{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;background:linear-gradient(120deg,var(--gold),var(--gold-l));color:#3d2c10;font-weight:800;font-size:14.5px;padding:13px;border-radius:12px;overflow:hidden}
.sreg svg{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:2}
.sreg span{opacity:0;transition:opacity .22s}
.side:hover .sreg span{opacity:1}
.sreg:hover{filter:brightness(1.04)}
.t3-burger{display:none}
.main{margin-left:var(--side);min-height:100vh;transition:margin .3s}
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(20px,4vw,50px)}

/* ================= HERO — editorial serif ================= */
.hero.hero-editorial{position:relative;overflow:hidden;padding:96px 0 100px;background:linear-gradient(135deg,#f7f3ec,#eee4d4)}
.hero .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:1}
.hero.hero-editorial::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(100deg,rgba(247,243,236,.97) 34%,rgba(247,243,236,.74) 52%,rgba(247,243,236,.2) 72%,transparent)}
.hero .wrap{position:relative;z-index:2;max-width:1000px}
/* Conference logo shown at a readable size in the hero (the 82px rail is far too narrow for it) */
.hero-logo{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:16px;padding:14px 20px;margin-bottom:24px;box-shadow:0 18px 44px rgba(0,0,0,.18)}
.hero-logo img{display:block;height:clamp(50px,6.5vw,82px);width:auto;max-width:min(330px,62vw);object-fit:contain}
@media(max-width:600px){.hero-logo{padding:11px 15px;border-radius:13px;margin-bottom:18px}}
.eyebrow{display:inline-flex;align-items:center;gap:11px;font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold-d);font-weight:800;margin-bottom:22px}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--gold-d)}
.hero-editorial h1{font-family:var(--serif);font-weight:600;font-size:clamp(38px,6vw,74px);line-height:1.03;letter-spacing:-1px}
.hero h1 em{font-style:italic;font-weight:500;color:var(--pri)}
.hero .theme{font-family:var(--serif);font-style:italic;font-size:21px;color:var(--muted);margin-top:16px}
.hero .meta{display:flex;gap:26px;flex-wrap:wrap;margin:28px 0 34px;font-size:15.5px;color:var(--muted)}
.hero .meta b{color:var(--txt)}.hero .meta i{color:var(--gold-d);font-style:normal;margin-right:6px}
.hcta{display:flex;gap:14px;flex-wrap:wrap}

section.pad{padding:80px 0}
.sec-head{text-align:left;max-width:820px;margin:0 0 44px;padding-left:24px;border-left:4px solid var(--gold)}
.sec-head .eyebrow{justify-content:flex-start}
.sec-head h2{font-family:var(--serif);font-size:clamp(32px,4.2vw,50px);font-weight:600;letter-spacing:-.5px;line-height:1.05}
.sec-head h2 em{font-style:italic;font-weight:500;color:var(--pri)}
.sec-head p{color:var(--muted);margin-top:12px}
.alt{background:rgba(255,255,255,.5)}

/* people — centred, circular (like the reference), plum/sand rings */
.role-block{margin-bottom:44px}
.role-title{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold-d);font-weight:800;text-align:left;margin-bottom:24px;padding-left:16px;border-left:3px solid var(--gold)}
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.people.feat{grid-template-columns:repeat(auto-fit,minmax(230px,270px));justify-content:center}
@media(max-width:1024px){.people{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.people,.people.feat{grid-template-columns:repeat(2,1fr);gap:18px}}
@media(max-width:600px){.people,.people.feat{grid-template-columns:1fr;gap:18px}}
.person{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:30px 20px 26px;text-align:center;transition:.25s;box-shadow:var(--soft);min-width:0}
.person:hover{border-color:rgba(var(--acc-rgb),.5);transform:translateY(-4px);box-shadow:0 26px 56px rgba(var(--pri-rgb),.16)}
.person .ph{width:150px;height:150px;border-radius:50%;margin:0 auto 16px;background:linear-gradient(135deg,#f0dcc3,#e8b9c6);display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:700;color:#fff;overflow:hidden;border:4px solid #fff;box-shadow:0 12px 30px -10px rgba(20,22,40,.30)}
.person:nth-child(4n+1) .ph{background:linear-gradient(135deg,#f0dcc3,#e2b98f)}
.person:nth-child(4n+2) .ph{background:linear-gradient(135deg,#ecd6e4,#c99cc0)}
.person:nth-child(4n+3) .ph{background:linear-gradient(135deg,#e7ecd6,#bcd39a)}
.person:nth-child(4n)   .ph{background:linear-gradient(135deg,#f3e3c4,#e6c98a)}
.person .ph img{width:100%;height:100%;object-fit:cover}
.person h4{font-size:17px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.person .role{color:var(--gold-d);font-size:13px;margin-top:4px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.person small{color:var(--muted);font-size:12.5px;display:block;margin-top:4px}

/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.topic{display:flex;align-items:center;gap:13px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-weight:600;transition:.2s;box-shadow:var(--soft)}
.topic:hover{border-color:rgba(var(--acc-rgb),.5);transform:translateY(-2px)}
.topic .n{width:34px;height:34px;flex:none;border-radius:10px;background:rgba(var(--acc-rgb),.18);color:var(--gold-d);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;font-family:var(--serif)}

/* program */
.tl{max-width:820px;margin:0}
.tl-item{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}
.tl-item .day{font-family:var(--serif);color:var(--gold-d);font-size:15px;text-align:center;line-height:1.2}
.tl-item .day b{display:block;font-size:30px;color:var(--pri)}
.tl-item h4{font-size:19px;font-weight:700}
.tl-item p{color:var(--muted);margin-top:5px}

/* sponsors */
.spon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.spon{background:#fff;border:1px solid var(--line);border-radius:14px;height:96px;display:flex;align-items:center;justify-content:center;padding:16px;color:var(--pri-d);font-weight:700;text-align:center;box-shadow:var(--soft)}
.spon img{max-width:100%;max-height:100%;object-fit:contain}

/* gallery */
.gal{columns:3;column-gap:14px}
.gal img{width:100%;border-radius:14px;margin:0 0 14px;display:block;break-inside:avoid;box-shadow:var(--soft)}

/* venue */
.venue{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;max-width:1000px;margin:0}
.venue .vimg{aspect-ratio:4/3;border-radius:18px;background-size:cover;background-position:center;border:1px solid var(--line);box-shadow:var(--soft)}
.venue h3{font-family:var(--serif);font-size:26px}
.venue p{color:var(--muted);margin-top:10px}

/* abstract */
.abs-card{max-width:780px;margin:0;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--soft)}
.abs-note{background:rgba(var(--acc-rgb),.14);border:1px solid rgba(var(--acc-rgb),.38);border-radius:12px;padding:12px 16px;color:var(--gold-d);font-size:14px;margin-bottom:22px}
.abs-card .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.abs-card input,.abs-card textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fdfbf7;color:var(--txt);font:inherit;margin-bottom:14px}
.abs-card input::placeholder,.abs-card textarea::placeholder{color:#b0a596}
.abs-card input:focus,.abs-card textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 4px rgba(var(--pri-rgb),.12)}
.abs-ok{max-width:780px;margin:0;text-align:center;background:#eef6e9;border:1px solid #cfe6b9;border-radius:18px;padding:36px;color:#4d7a22}
.abs-ok i{font-size:40px;color:#6ba03a}

/* page hero (committee/speaker pages) */
.page-hero{position:relative;overflow:hidden;padding:56px 0 44px;background:var(--bg2)}
.page-hero h1{font-family:var(--serif);font-weight:600}

.brand{display:flex;align-items:center;gap:11px;font-weight:700}
.brand .logo{width:44px;height:44px;flex:none;border-radius:11px;background:#fff;padding:5px;display:flex;align-items:center;justify-content:center;box-shadow:var(--soft)}
.brand .logo img{max-width:100%;max-height:100%;object-fit:contain}
footer{background:linear-gradient(180deg,#f2ece0,#e9dfcf);padding:56px 0 28px;color:#6a5f56;font-size:14px;border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:34px}
footer h5{color:var(--txt);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px}
footer a{display:block;color:#6a5f56;margin-bottom:8px}footer a:hover{color:var(--pri)}
.copy{border-top:1px solid var(--line);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}.copy a{color:var(--pri)}

/* ================= RESPONSIVE: sidebar → top bar + burger ================= */
@media(max-width:980px){
  .side{position:sticky;width:100%;height:auto;flex-direction:row;align-items:center;padding:10px 16px;overflow:visible;white-space:normal;box-shadow:0 6px 24px rgba(0,0,0,.14)}
  .side:hover{width:100%}
  .sbrand{margin:0;padding:0;flex:1;min-height:0}
  .sbrand .sname,.side:hover .sbrand .sname{opacity:1}
  .t3-burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;background:rgba(255,255,255,.14);border:0;border-radius:11px;color:#fff;cursor:pointer;order:3}
  .t3-burger svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2}
  .snav{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--pri-d);padding:10px;gap:2px;max-height:0;overflow:hidden;transition:max-height .32s;box-shadow:0 20px 40px rgba(0,0,0,.25)}
  .side.open .snav{max-height:78vh;overflow:auto;padding:10px}
  .snav a span,.snav a{opacity:1}.snav a span{opacity:1}
  .snav-sub,.side:hover .snav-sub{max-height:none;margin-left:22px}
  .snav-sub a span,.side:hover .snav-sub a span{opacity:1}
  .sfoot{padding:0;order:2}
  .sreg{padding:9px 15px;width:auto}.sreg span,.side:hover .sreg span{opacity:1}
  .main{margin-left:0}
  .wrap{padding:0 18px}
  .sec-head{max-width:none}
  .venue,.abs-card .row,.fgrid{grid-template-columns:1fr}
  .gal{columns:2}
}
@media(max-width:640px){
  .hero.hero-editorial{padding:52px 0 58px}
  .hero .theme{font-size:18px}
  .hero .meta{gap:12px 20px;margin:20px 0 26px;font-size:14px}
  section.pad{padding:52px 0}
  .sec-head{margin-bottom:32px;padding-left:16px}
  .tl-item{grid-template-columns:52px 1fr;gap:14px}.tl-item .day b{font-size:24px}
  .gal{columns:1}
  .abs-card{padding:24px 18px}
  .copy{justify-content:center;text-align:center}
}