/* Showdeck extras (Oct 2026): format tiles, step pages, the CSS 3D stall, the registration explainer, venue photos.
   Loaded after refresh.css; uses its tokens (--card, --alt, --line, --ink, --body, --mut, --vio, --grad, --h, --b). */
.pic{margin:0}
.pic img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:18px;display:block}
.pic figcaption{font-size:12.5px;color:var(--mut);margin-top:8px}
.pic figcaption a{color:var(--mut)}
.pic + .pic{margin-top:14px}

/* ---- formats / features tiles ---- */
.fmts{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.fmtc{display:grid;grid-template-columns:42% 1fr;background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;min-height:220px}
.fmtc .im{overflow:hidden;background:var(--alt)}
.fmtc .im img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s cubic-bezier(.16,.8,.3,1)}
.fmtc:hover .im img{transform:scale(1.05)}
.fmtc .tx{padding:22px 24px}
.fmtc h3{font-size:19px;margin:0 0 8px}
.fmtc p{font-size:15px;line-height:1.6;color:var(--body);margin:0}
.fmtc .photo-credit{margin-top:10px;font-size:11.5px}
@media(max-width:1000px){.fmts{grid-template-columns:1fr}}
@media(max-width:620px){.fmtc{grid-template-columns:1fr}.fmtc .im{aspect-ratio:16/9}}

/* ---- 3D stall (pure CSS) ---- */
.d3grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:900px){.d3grid{grid-template-columns:1fr}}
.stall3d{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px 22px 18px;overflow:hidden}
.s3-scene{height:340px;perspective:1100px;perspective-origin:50% 35%;position:relative}
.s3-rot{position:absolute;left:50%;top:58%;width:0;height:0;transform-style:preserve-3d;animation:s3spin 28s linear infinite}
@keyframes s3spin{from{transform:rotateX(-16deg) rotateY(-32deg)}to{transform:rotateX(-16deg) rotateY(328deg)}}
@media(prefers-reduced-motion:reduce){.s3-rot{animation:none;transform:rotateX(-16deg) rotateY(-32deg)}}
.s3-rot>*{position:absolute;transform-style:preserve-3d}
.s3-floor{width:380px;height:260px;left:-190px;top:-130px;transform:rotateX(90deg) translateZ(0);background:repeating-linear-gradient(90deg,#DCE6F7 0 44px,#C9D7F0 44px 46px),#DCE6F7;background-blend-mode:multiply;border:2px solid #B9C9EA;border-radius:4px}
.s3-back{width:380px;height:190px;left:-190px;top:-190px;transform:translateZ(-130px);background:linear-gradient(180deg,#FFFFFF,#EEF3FC);border:2px solid #B9C9EA;border-radius:4px}
.s3-brand{position:absolute;left:18px;top:16px;font:800 20px var(--h);color:#0B1F45;letter-spacing:.06em}
.s3-screen{position:absolute;right:18px;top:16px;width:170px;height:96px;border-radius:6px;background:#0B1F45;overflow:hidden;box-shadow:0 0 0 4px #1D4ED8 inset}
.s3-screen i{position:absolute;inset:8px;border-radius:3px;background:linear-gradient(120deg,#1D4ED8,#60A5FA 50%,#1D4ED8);opacity:0;animation:s3led 6s infinite}
.s3-screen i:nth-child(2){animation-delay:2s;background:linear-gradient(120deg,#0EA5E9,#A5F3FC 50%,#0EA5E9)}
.s3-screen i:nth-child(3){animation-delay:4s;background:linear-gradient(120deg,#DB2777,#F9A8D4 50%,#DB2777)}
@keyframes s3led{0%,30%{opacity:1}33%,100%{opacity:0}}
.s3-side{width:130px;height:190px;left:-190px;top:-190px;transform:rotateY(90deg) translateZ(0px);transform-origin:left center;background:linear-gradient(180deg,#F8FAFF,#E3EAF8);border:2px solid #B9C9EA;border-radius:4px}
.s3-header{width:260px;height:34px;left:-130px;top:-232px;transform:translateZ(-128px);background:var(--grad);color:#fff;font:700 12px/34px var(--h);letter-spacing:.14em;text-align:center;border-radius:6px}
.s3-counter{width:120px;height:60px;left:-30px;top:-60px;transform:translateZ(60px)}
.s3-counter .f{position:absolute;inset:0;background:#1D4ED8;color:#fff;font:700 11px/60px var(--h);text-align:center;letter-spacing:.12em;border-radius:4px;transform:translateZ(22px)}
.s3-counter .t{position:absolute;left:0;top:0;width:120px;height:44px;background:#F8FAFF;border:2px solid #B9C9EA;transform:rotateX(90deg) translateZ(0px);transform-origin:top}
.s3-counter .l{position:absolute;left:0;top:0;width:44px;height:60px;background:#1E40AF;transform:rotateY(-90deg) translateZ(0);transform-origin:left}
.s3-plinth{width:46px;height:70px;left:-150px;top:-70px;transform:translateZ(20px)}
.s3-plinth.b{left:110px;transform:translateZ(-20px)}
.s3-plinth::before{content:"";position:absolute;inset:0;background:#E3EAF8;border:2px solid #B9C9EA;border-radius:3px}
.s3-plinth .t{position:absolute;left:0;top:0;width:46px;height:46px;background:#fff;border:2px solid #B9C9EA;transform:rotateX(90deg);transform-origin:top}
.s3-light{width:36px;height:36px;left:60px;top:-250px;border-radius:50%;background:radial-gradient(circle,#FDE68A,rgba(253,230,138,0));transform:translateZ(-60px);filter:blur(1px)}
.s3-tags{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:13.5px;color:var(--body)}
.s3-tags b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--grad);color:#fff;font:700 11px var(--b);margin-right:6px}
@media(max-width:620px){.s3-scene{height:280px}.s3-tags{grid-template-columns:1fr}}

/* ---- registration explainer ---- */
.xp{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;align-items:start}
.xp-stage{position:relative;min-height:340px;background:linear-gradient(160deg,#0B1F45,#143A7A);border-radius:18px;overflow:hidden}
.xp-scene{position:absolute;inset:0;display:grid;grid-template-rows:1fr auto;place-items:center;padding:22px;opacity:0;transform:translateY(10px);transition:opacity .5s,transform .5s}
.xp-scene.on{opacity:1;transform:none}
.xp-scene svg{width:min(190px,45%);height:auto;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}
.xp-scene .p{fill:#fff}.xp-scene .s{fill:#0B1F45}.xp-scene .l{fill:#B9C9EA}.xp-scene .b{fill:#1D4ED8}.xp-scene .w{fill:#fff}
.xp-scene .qr rect{fill:#0B1F45}.xp-scene .cur{fill:#F59E0B}.xp-scene .beam{fill:rgba(96,165,250,.7)}.xp-scene .line{fill:none;stroke:#F59E0B;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.xp-cap{margin:0;color:#fff;font-size:15.5px;line-height:1.5;text-align:center;max-width:46ch}
.xp-cap b{display:block;font:800 20px var(--h);margin-bottom:4px}
.xp-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.15)}
.xp-bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s linear}
.xp-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.xp-steps li{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--alt);color:var(--body);font:600 15px var(--b);cursor:pointer;transition:.2s}
.xp-steps li span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;border:1px solid var(--line);color:#0B1F45;font-size:12.5px}
.xp-steps li.on{background:#fff;border-color:#1D4ED8;color:#0B1F45}
.xp-steps li.on span{background:var(--grad);color:#fff;border-color:transparent}
.xp-ctl{grid-column:1/-1;display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--mut)}
.xp-play{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#0B1F45;cursor:pointer;font-size:11px}
@media(max-width:900px){.xp{grid-template-columns:1fr}.xp-stage{min-height:300px}}
/* scene animations */
.xp-scene.on .qr rect{animation:xpblink 1.2s infinite alternate}
.xp-scene.on .qr rect:nth-child(odd){animation-delay:.4s}
@keyframes xpblink{to{opacity:.35}}
.xp-scene.on .cur{animation:xpcur 2.4s infinite}
@keyframes xpcur{0%{transform:translate(14px,10px)}50%{transform:translate(0,0)}60%{transform:translate(0,0) scale(.9)}100%{transform:translate(14px,10px)}}
.xp-scene.on .beam{animation:xpbeam 1.6s infinite}
@keyframes xpbeam{0%,100%{opacity:.2}50%{opacity:1}}
.xp-scene.on .card{animation:xpcard 2.6s infinite}
@keyframes xpcard{0%{transform:translateY(-26px);opacity:0}30%{opacity:1}60%,100%{transform:translateY(0);opacity:1}}
.xp-scene.on .arms{transform-origin:60px 60px;animation:xparms 2.4s infinite}
@keyframes xparms{0%,35%{transform:rotate(0)}65%,100%{transform:rotate(120deg)}}
.xp-scene.on .bars rect{transform-origin:bottom;animation:xpbars 1.6s cubic-bezier(.16,.8,.3,1) both}
.xp-scene.on .bars rect:nth-child(2){animation-delay:.15s}.xp-scene.on .bars rect:nth-child(3){animation-delay:.3s}.xp-scene.on .bars rect:nth-child(4){animation-delay:.45s}
@keyframes xpbars{from{transform:scaleY(0)}to{transform:scaleY(1)}}
.xp-scene.on .line{stroke-dasharray:120;stroke-dashoffset:120;animation:xpline 1.4s .4s forwards}
@keyframes xpline{to{stroke-dashoffset:0}}
@media(prefers-reduced-motion:reduce){.xp-scene *{animation:none!important}}
.steps.s5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1000px){.steps.s5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.steps.s5{grid-template-columns:1fr}}

/* ---- venue cards with photos ---- */
.vcard .vim{margin:-26px -28px 14px;aspect-ratio:16/8;overflow:hidden;border-radius:22px 22px 0 0;background:var(--alt)}
.vcard .vim img{width:100%;height:100%;object-fit:cover;display:block}
.vcard .photo-credit{font-size:11.5px;margin:0}

/* ---- venue guide ---- */
.citynav{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.citynav a{font:700 13.5px var(--b);color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:30px;padding:8px 14px}
.citynav a:hover{background:#fff;color:var(--ink)}
.vsec{padding-top:60px;padding-bottom:40px}
.vsec:nth-of-type(even){background:var(--alt)}
.vcard .good{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.vcard .good span{font:600 12px var(--b);color:var(--ink);background:var(--sky);border-radius:20px;padding:4px 10px}
.vcard .access{font-size:13.5px;color:var(--mut);margin:0}
.vcard .svcs-l{font:600 11.5px var(--b);letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin:8px 0 -4px}
.vcard h3 a{color:var(--ink);text-decoration:none}
.vcard h3 a:hover{color:var(--vio);text-decoration:underline}
.vtiles{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:200px;gap:12px}
.vtiles .ph-tile img{filter:saturate(.95)}
@media(max-width:900px){.vtiles{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}}
@media(max-width:560px){.vtiles{grid-template-columns:1fr}}