/* IIO DAY 2027 · AI / futuristic landing (v2). Landing page only; payment.html keeps style.css. */
:root{
  --bg:#030616; --bg2:#060b24; --navy:#010a3f;
  --panel:rgba(14,22,58,.55); --panel-solid:#0b1233;
  --line:rgba(120,160,255,.16); --line-strong:rgba(120,190,255,.35);
  --text:#eef1ff; --muted:#a3abcf; --dim:#7a83ad;
  --cyan:#3ee6ff; --violet:#8b6cff; --coral:#f26b58; --coral2:#ff8f6b;
  --grad:linear-gradient(92deg,#3ee6ff 0%,#8b6cff 50%,#ff7a62 100%);
  --mono:ui-monospace,"SFMono-Regular","Cascadia Mono","Consolas",monospace;
  --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p{margin-top:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:6px}
[hidden]{display:none!important}
.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.skip{position:fixed;top:-100px;left:10px;z-index:50;background:#fff;color:#000;padding:10px}.skip:focus{top:10px}

/* ambient background */
.bg-grid{position:fixed;inset:0;z-index:-2;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 80%);opacity:.55}
.bg-glow{position:fixed;inset:0;z-index:-3;overflow:hidden;pointer-events:none}
.bg-glow span{position:absolute;border-radius:50%;filter:blur(110px);opacity:.42}
.bg-glow span:nth-child(1){width:620px;height:620px;background:#2b3cff;top:-220px;left:-160px;animation:drift 22s ease-in-out infinite alternate}
.bg-glow span:nth-child(2){width:520px;height:520px;background:#0fb6d8;top:30%;right:-200px;opacity:.28;animation:drift 26s ease-in-out infinite alternate-reverse}
.bg-glow span:nth-child(3){width:480px;height:480px;background:#f26b58;bottom:-260px;left:30%;opacity:.22;animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(80px,60px) scale(1.12)}}

/* text helpers */
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--cyan);font-weight:600;text-transform:uppercase}
.eyebrow i{font-style:normal;display:inline-grid;place-items:center;min-width:30px;height:22px;padding:0 6px;border:1px solid var(--line-strong);border-radius:6px;color:var(--text);background:rgba(62,230,255,.08)}
.muted{color:var(--muted)}

/* buttons */
.button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 26px;border-radius:12px;background:linear-gradient(135deg,var(--coral),var(--coral2));color:#170606;font-weight:750;text-decoration:none;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s}
.button:hover{transform:translateY(-2px)}
.button.glow{box-shadow:0 0 0 1px rgba(255,160,140,.4),0 10px 34px -6px rgba(242,107,88,.75)}
.button.glow:hover{box-shadow:0 0 0 1px rgba(255,180,160,.6),0 14px 44px -6px rgba(242,107,88,.95)}
.button.small{min-height:42px;padding:8px 16px;font-size:14px;border-radius:10px}
.ghost{display:inline-flex;align-items:center;min-height:52px;padding:12px 22px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.03);text-decoration:none;font-weight:600;backdrop-filter:blur(6px);transition:border-color .2s,background .2s}
.ghost:hover{border-color:var(--cyan);background:rgba(62,230,255,.08)}

/* header */
.header{position:sticky;top:0;z-index:20;background:rgba(3,6,22,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.logo img{width:126px;filter:brightness(0) invert(1)}
.header nav{display:flex;gap:30px;font-size:14px}
.header nav a{text-decoration:none;color:var(--muted);transition:color .2s}.header nav a:hover{color:var(--text)}

/* hero */
.hero{position:relative;overflow:hidden;padding:44px 0 0;isolation:isolate}
#neural{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.85}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-bottom:64px}
.status-pill{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;padding:7px 14px;border:1px solid var(--line-strong);border-radius:999px;background:rgba(62,230,255,.06);color:var(--cyan);margin-bottom:20px}
.status-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.35}}
h1{margin:0 0 22px;line-height:.9;letter-spacing:-.05em;font-weight:850}
.h1-top{display:block;font-size:clamp(60px,7vw,94px)}
.h1-year{display:block;font-size:clamp(76px,9.2vw,124px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 28px rgba(110,120,255,.45))}
.tagline{font-family:var(--mono);font-size:clamp(17px,1.6vw,21px);line-height:1.55;letter-spacing:-.01em;margin-bottom:26px;color:var(--text)}
.type::after{content:'▍';color:var(--cyan);margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-sub{font-size:clamp(22px,2vw,27px);line-height:1.4;letter-spacing:-.02em;margin-bottom:12px}
.lead{color:var(--muted);max-width:520px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 24px}
.chips span{display:inline-flex;align-items:center;gap:10px;font-size:14px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);backdrop-filter:blur(8px)}
.chips b{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--cyan);font-weight:600}
.chips i{font-style:normal}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-row.center{justify-content:center}
.wa-link{display:inline-block;margin-top:18px;font-size:14px;color:var(--muted);text-underline-offset:5px}.wa-link:hover{color:var(--text)}

/* holographic frame */
.hero-visual{position:relative}
.holo{position:relative;border-radius:var(--r);padding:12px;background:linear-gradient(180deg,rgba(20,30,80,.6),rgba(8,12,36,.7));border:1px solid var(--line-strong);box-shadow:0 0 0 1px rgba(62,230,255,.05),0 30px 80px -20px rgba(40,60,255,.45),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.holo .corner{position:absolute;width:20px;height:20px;border-color:var(--cyan);border-style:solid;border-width:0;filter:drop-shadow(0 0 6px var(--cyan))}
.corner.tl{top:-6px;left:-6px;border-top-width:2px;border-left-width:2px;border-top-left-radius:8px}
.corner.tr{top:-6px;right:-6px;border-top-width:2px;border-right-width:2px;border-top-right-radius:8px}
.corner.bl{bottom:-6px;left:-6px;border-bottom-width:2px;border-left-width:2px;border-bottom-left-radius:8px}
.corner.br{bottom:-6px;right:-6px;border-bottom-width:2px;border-right-width:2px;border-bottom-right-radius:8px}
.holo-bar,.holo-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--dim);padding:2px 6px 10px}
.holo-foot{padding:12px 6px 2px;justify-content:center;flex-wrap:wrap}
.holo-foot .arrow{width:28px;height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet));position:relative}
.holo-foot .arrow::after{content:'';position:absolute;right:-1px;top:-3px;border:3.5px solid transparent;border-left:5px solid var(--violet)}
.live{color:#5dffb0}
.holo-img{position:relative;overflow:hidden;border-radius:12px}
.holo-img img{width:100%;aspect-ratio:2/1;object-fit:cover}
.holo-img::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(0,0,0,.08) 0 1px,transparent 1px 3px),linear-gradient(180deg,transparent 55%,rgba(3,6,22,.55));pointer-events:none}
.scan{position:absolute;left:0;right:0;height:70px;top:-70px;background:linear-gradient(180deg,transparent,rgba(62,230,255,.25),transparent);animation:scan 4.5s linear infinite;z-index:1}
@keyframes scan{to{top:100%}}
.orbit{position:absolute;inset:-40px;z-index:-1;pointer-events:none}
.orbit span{position:absolute;inset:0;border:1px dashed rgba(139,108,255,.25);border-radius:50%;animation:spin 40s linear infinite}
.orbit span:nth-child(2){inset:30px;border-color:rgba(62,230,255,.18);animation-duration:28s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}

.marquee{border-block:1px solid var(--line);overflow:hidden;background:rgba(6,11,36,.6)}
.marquee div{display:flex;gap:60px;width:max-content;padding:14px 0;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--dim);animation:marq 30s linear infinite}
.marquee span::before{content:'◆';color:var(--violet);margin-right:60px}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
.section{padding-block:96px;position:relative}
.section-heading{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:end;margin-bottom:40px}
.section-heading h2,.faq-wrap h2,.posters h2{font-size:clamp(30px,3.5vw,46px);line-height:1.25;letter-spacing:-.03em;margin:16px 0 0}
.section-heading p{color:var(--muted);margin-bottom:0}
.notice{display:inline-block;font-family:var(--mono);font-size:13px;padding:10px 14px;border:1px solid rgba(242,107,88,.4);border-left:3px solid var(--coral);border-radius:8px;background:rgba(242,107,88,.07);color:#ffd2c9;margin:0}
.gallery .notice{margin-bottom:8px}

/* cards */
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card,.gallery-card{position:relative;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);overflow:hidden;backdrop-filter:blur(10px);transition:transform .3s,border-color .3s,box-shadow .3s}
.card::before,.gallery-card::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(62,230,255,.6),transparent 35%,transparent 65%,rgba(139,108,255,.6));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover,.gallery-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px -20px rgba(62,100,255,.5)}
.card:hover::before,.gallery-card:hover::before{opacity:1}
.card-img{position:relative;overflow:hidden}
.card-img img{width:100%;aspect-ratio:2/1;object-fit:cover;transition:transform .6s}
.card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(6,11,36,.85))}
.card:hover .card-img img,.gallery-card:hover .card-img img{transform:scale(1.05)}
.card>:not(.card-img){margin-inline:24px}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--muted);margin-bottom:26px}
.number{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--cyan);margin:20px 0 10px}

/* agenda */
.agenda-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:48px;align-items:start}
.agenda-art{position:sticky;top:96px}
.holo.small{padding:10px}
.holo.small img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:10px}
.agenda-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--cyan);margin:12px 4px 2px}
.timeline{list-style:none;margin:0;padding:0 0 0 26px;position:relative}
.timeline::before{content:'';position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--violet),var(--coral));border-radius:2px;opacity:.7}
.timeline li{position:relative;display:grid;grid-template-columns:130px minmax(0,1fr);gap:20px;padding:22px 22px;margin-bottom:12px;border-radius:14px;border:1px solid var(--line);background:rgba(10,16,46,.5);backdrop-filter:blur(8px)}
.timeline li::before{content:'';position:absolute;left:-26px;top:30px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px var(--cyan)}
.timeline time{font-family:var(--mono);font-size:14px;color:var(--cyan);font-weight:600;padding-top:2px}
.timeline h3{font-size:19px;margin:0}
.timeline p{margin:8px 0 0;color:var(--muted);font-size:15px}
.timeline .en{font-family:var(--mono);font-size:13px;color:var(--dim)}
.timeline .highlight{border-color:rgba(242,107,88,.5);background:linear-gradient(135deg,rgba(242,107,88,.14),rgba(139,108,255,.12));box-shadow:0 0 40px -10px rgba(242,107,88,.45)}
.timeline .highlight::before{border-color:var(--coral);box-shadow:0 0 14px var(--coral)}
.timeline .highlight .eyebrow{color:var(--coral2);margin-bottom:6px}
.timeline .highlight img{width:100%;height:150px;object-fit:cover;border-radius:10px;margin:14px 0 4px}

/* gallery */
.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.gallery-card{padding-bottom:22px}
.gallery-card>:not(.card-img){margin-inline:20px}
.gallery-card .card-img img{aspect-ratio:16/10}
.gallery-card .number{font-size:10.5px;margin:16px 20px 8px;line-height:1.5}
.gallery-card h3{font-size:19px;margin-bottom:6px}
.gallery-card p{font-size:14px;color:var(--muted);margin-bottom:0}
.gallery-question{margin-top:14px!important;padding:10px 12px;border-radius:10px;background:rgba(62,230,255,.06);border:1px solid rgba(62,230,255,.18);color:var(--text)!important}
.gallery-question span{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--cyan);margin-bottom:2px}
.gallery-footnote{margin:36px 0 0;font-size:14px;color:var(--muted);text-align:center}

/* who */
.roles{font-size:20px;color:var(--text)!important;margin-bottom:10px!important}
#who .section-heading p+p{margin-top:6px}
.industry-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.industry-strip figure{position:relative;margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.industry-strip img{width:100%;height:200px;object-fit:cover;transition:transform .5s}
.industry-strip figure:hover img{transform:scale(1.06)}
.industry-strip figure::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(3,6,22,.92))}
.industry-strip figcaption{position:absolute;left:14px;bottom:12px;z-index:1;font-weight:700;font-size:15px}
.industry-strip figcaption::before{content:'#';color:var(--cyan);margin-right:4px;font-family:var(--mono)}

/* ticket */
.ticket{display:grid;grid-template-columns:1fr 1fr;border-radius:22px;overflow:hidden;border:1px solid var(--line-strong);background:linear-gradient(160deg,rgba(18,28,80,.75),rgba(8,12,36,.85));box-shadow:0 40px 100px -30px rgba(60,80,255,.5);position:relative}
.ticket::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.6;pointer-events:none}
.ticket-art{grid-column:1/-1;position:relative}
.ticket-art img{width:100%;height:280px;object-fit:cover}
.ticket-art::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,16,46,.95))}
.ticket-id{position:absolute;left:36px;bottom:18px;z-index:1;font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--cyan)}
.ticket-main,.ticket-side{padding:36px}
.ticket-side{border-left:1px dashed var(--line-strong)}
.ticket h2{font-size:clamp(30px,3.4vw,42px);letter-spacing:-.03em;margin:14px 0 4px}
.price{font-size:54px;font-weight:800;letter-spacing:-.04em;line-height:1.2;margin:4px 0 8px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.price small{font-size:17px;font-weight:500;letter-spacing:0;color:var(--muted);-webkit-text-fill-color:var(--muted)}
.ticket-main p:not(.price){color:var(--muted);margin-bottom:24px}
.ticket-side h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.ticket-side p,.plain-list{color:var(--muted);font-size:15px}
.ok,.no{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:7px;font-size:13px}
.ok{background:rgba(93,255,176,.12);color:#5dffb0;border:1px solid rgba(93,255,176,.35)}
.no{background:rgba(242,107,88,.12);color:var(--coral2);border:1px solid rgba(242,107,88,.35)}
.plain-list{padding-left:20px;margin:0}
hr{border:0;border-top:1px dashed var(--line-strong);margin:22px 0}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.faq details{border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px;background:rgba(10,16,46,.5);transition:border-color .2s}
.faq details[open]{border-color:var(--line-strong);background:rgba(16,24,66,.65)}
.faq summary{font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:var(--mono);color:var(--cyan);font-size:20px;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin:12px 0 0}

/* posters */
.posters{padding-top:40px}
.poster-english{font-size:20px;font-weight:400;color:var(--muted)}
.poster-strip{display:flex;gap:18px;overflow-x:auto;padding:28px 4px 20px;scroll-snap-type:x proximity;scrollbar-color:var(--violet) transparent}
.poster-link{flex:0 0 210px;scroll-snap-align:start;border-radius:12px;transition:transform .3s,box-shadow .3s}
.poster-link img{border-radius:12px;border:1px solid var(--line)}
.poster-link:hover{transform:translateY(-6px) rotate(-1deg);box-shadow:0 20px 50px -14px rgba(62,230,255,.45)}

/* final */
.final-band{text-align:center;overflow:hidden;isolation:isolate;padding-block:130px}
.final-band::before{content:'';position:absolute;inset:0;z-index:-2;background:url('assets/img-ai/final.jpg') center/cover;opacity:.55}
.final-band::after{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 50% 120%,rgba(139,108,255,.45),transparent 60%),linear-gradient(180deg,var(--bg),rgba(3,6,22,.6) 40%,var(--bg))}
.final-band h2{font-size:clamp(42px,6.4vw,84px);line-height:1.08;letter-spacing:-.045em;margin:18px 0 36px}

/* lightbox */
dialog{border:1px solid var(--line-strong);border-radius:16px;padding:52px 12px 12px;background:var(--panel-solid);color:var(--text);max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto}
dialog::backdrop{background:rgba(2,4,14,.88);backdrop-filter:blur(4px)}
dialog img{max-height:calc(100dvh - 100px);width:auto;max-width:100%;object-fit:contain;margin:auto;border-radius:10px}
.lightbox-close{position:absolute;right:12px;top:10px;min-height:34px;padding:4px 14px;border-radius:8px;border:1px solid var(--line-strong);background:transparent;color:var(--text);cursor:pointer}

/* footer */
.footer{border-top:1px solid var(--line);background:rgba(3,6,22,.8)}
.footer-in{display:flex;align-items:center;gap:32px;padding-block:32px;font-size:12px;color:var(--dim)}
.footer img{width:120px;filter:brightness(0) invert(1);opacity:.85}
.footer p{margin:0;flex:1}
.footer-in>span{font-family:var(--mono);letter-spacing:.14em;white-space:nowrap}
.mobile-bar{display:none}

/* scroll reveal (visual.js) */
.reveal-ready{transition:opacity .7s,transform .7s}
.reveal-ready:not(.is-visible){opacity:0;transform:translateY(20px)}

/* responsive */
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .four-grid{grid-template-columns:repeat(2,1fr)}
  .agenda-layout{grid-template-columns:1fr}
  .agenda-art{position:static}
  .holo.small img{aspect-ratio:16/10}
  .faq-wrap{grid-template-columns:1fr;gap:20px}
}
@media(max-width:650px){
  body{padding-bottom:78px}
  .wrap{width:calc(100% - 32px)}
  .header nav{display:none}
  .header-in{min-height:62px}
  .logo img{width:110px}
  .hero{padding-top:36px}
  .hero-in{padding-bottom:44px;gap:36px}
  .status-pill{font-size:10px;letter-spacing:.1em}
  .h1-top{font-size:64px}.h1-year{font-size:92px}
  .chips span{flex:1 1 auto}
  .cta-row .button,.cta-row .ghost{width:100%}
  .orbit{display:none}
  .holo-foot{font-size:9px;gap:6px}.holo-foot .arrow{width:14px}
  .section{padding-block:64px}
  .section-heading{grid-template-columns:1fr;gap:14px;margin-bottom:28px}
  .three-grid,.four-grid{grid-template-columns:1fr;gap:16px}
  .timeline{padding-left:22px}
  .timeline li{grid-template-columns:1fr;gap:6px;padding:18px}
  .timeline li::before{left:-22px;top:24px}
  .timeline::before{left:4px}
  .industry-strip{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
  .industry-strip figure{flex:0 0 72%;scroll-snap-align:start}
  .ticket{grid-template-columns:1fr}
  .ticket-art img{height:190px}
  .ticket-id{left:22px;font-size:10px}
  .ticket-main,.ticket-side{padding:26px 22px}
  .ticket-side{border-left:0;border-top:1px dashed var(--line-strong)}
  .price{font-size:46px}
  .poster-link{flex-basis:170px}
  .final-band{padding-block:90px}
  .footer-in{flex-direction:column;align-items:flex-start;gap:14px}
  .mobile-bar{display:flex;position:fixed;inset:auto 0 0;z-index:30;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(3,6,22,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line-strong);font-weight:700;font-family:var(--mono)}
  .mobile-bar .button{flex:1;max-width:200px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal-ready:not(.is-visible){opacity:1;transform:none}
  #neural{display:none}
}

/* language switch */
.header-right{display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;padding:3px;border:1px solid var(--line-strong);border-radius:10px;background:rgba(255,255,255,.03)}
.lang button{min-width:40px;min-height:34px;padding:0 10px;border:0;border-radius:7px;background:transparent;color:var(--muted);font:600 13px/1 var(--mono);cursor:pointer;transition:background .2s,color .2s}
.lang button:hover{color:var(--text)}
.lang button[aria-pressed="true"]{background:linear-gradient(135deg,rgba(62,230,255,.25),rgba(139,108,255,.3));color:var(--text);box-shadow:inset 0 0 0 1px rgba(62,230,255,.45)}
.gallery-question b{font-weight:500}
@media(max-width:650px){.hide-sm{display:none}.lang button{min-width:38px}}

/* team kit additions: reveal run-of-show, full day, who roles */
.reveal-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.reveal-list li{display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:12px;font-size:14px;color:var(--muted)}
.reveal-list time{font-family:var(--mono);color:var(--coral);grid-row:span 2;padding-top:1px}
.reveal-list b{color:var(--text);font-weight:650}
.fullday{margin-top:40px;padding:24px 26px;border:1px solid var(--line);border-radius:18px;background:rgba(10,16,46,.45)}
.fullday h3{margin:0 0 16px;font-size:18px}
.fullday ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.fullday li{padding:14px;border-radius:12px;border:1px dashed var(--line);font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.fullday li time{font-family:var(--mono);font-size:13px;color:var(--dim)}
.fullday li.main{border:1px solid rgba(62,230,255,.6);background:linear-gradient(135deg,rgba(62,230,255,.12),rgba(139,108,255,.12));color:var(--text);font-weight:650}
.fullday li.main time{color:var(--cyan)}
.fullday p{margin:14px 0 0;font-size:13px}
.who-roles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}
.who-roles article{padding:20px;border-radius:14px;border:1px solid var(--line);background:rgba(10,16,46,.5)}
.who-roles h3{margin:0 0 8px;font-size:17px;color:var(--cyan)}
.who-roles p{margin:0;color:var(--muted);font-size:14px}
.who-tip{margin:0 0 28px;color:var(--text);font-size:15px}
.who-tip::before{content:'→ ';color:var(--coral);font-family:var(--mono)}
.final-tip{color:var(--muted);margin:14px auto 0;max-width:560px}
@media (max-width:1000px){.fullday ol{grid-template-columns:repeat(2,minmax(0,1fr))}.fullday li.main{grid-column:1/-1}.who-roles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.who-roles{grid-template-columns:1fr}}
.timeline .reveal-list li{padding:0;margin:0;border:0;background:none;backdrop-filter:none;border-radius:0;box-shadow:none}
.timeline .reveal-list li::before{display:none}
.timeline .reveal-list time{font-size:13px;color:var(--coral)}
.timeline .reveal-list span{display:block}

/* ===== v2.2 modern/futuristic upgrade ===== */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:transparent}
.progress span{display:block;height:100%;width:0;background:var(--grad);box-shadow:0 0 12px var(--cyan);transition:width .1s linear}
.section{padding-block:88px}
.section-heading h2{text-wrap:balance}
/* tilt / spotlight cards */
.tilt{position:relative;transform-style:preserve-3d;transition:transform .35s ease,border-color .3s,box-shadow .3s}
.tilt::after{content:'';position:absolute;inset:0;border-radius:inherit;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(62,230,255,.16),transparent 55%);opacity:0;transition:opacity .3s;pointer-events:none;z-index:2}
.tilt:hover::after{opacity:1}
.tilt:hover{border-color:var(--line-strong)}
/* bento highlights */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.bento-card{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(180deg,rgba(14,22,58,.7),rgba(8,12,36,.85));box-shadow:0 30px 80px -40px rgba(40,60,255,.6)}
.bento-card .card-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.bento-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.bento-card:hover .card-img img{transform:scale(1.05)}
.bento-card .card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(8,12,36,.95))}
.bento-body{padding:4px 24px 26px;margin-top:-30px;position:relative;z-index:1}
.bento-body .number{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);margin-bottom:10px}
.bento-body h3{font-size:21px;line-height:1.35;margin:0 0 10px;letter-spacing:-.01em}
.bento-body p{margin:0;color:var(--muted);font-size:15px}
/* booth guide */
.booth-guide{margin-top:34px;padding:26px 28px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(62,230,255,.07),rgba(139,108,255,.07))}
.booth-guide h3{font-size:18px;margin:0 0 16px}
.booth-guide ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px}
.booth-guide li{display:grid;gap:3px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.booth-guide li b{color:var(--text);font-family:var(--mono);font-size:13px;letter-spacing:.02em}
.booth-guide li::before{content:'→';color:var(--coral);font-family:var(--mono)}
.booth-guide li{grid-template-columns:18px minmax(0,1fr);grid-template-rows:auto auto}
.booth-guide li::before{grid-row:span 2;padding-top:1px}
/* AI impact */
.impact{overflow:hidden;isolation:isolate}
.impact-bg{position:absolute;inset:0;z-index:-1;opacity:.35}
.impact-bg img{width:100%;height:100%;object-fit:cover}
.impact-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,var(--bg) 0%,rgba(3,6,22,.3) 35%,rgba(3,6,22,.3) 65%,var(--bg) 100%)}
.impact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.impact-card{padding:26px 28px;border-radius:18px;border:1px solid var(--line);background:rgba(8,12,36,.72);backdrop-filter:blur(10px)}
.impact-card .number{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--violet)}
.impact-card h3{font-size:21px;line-height:1.35;margin:10px 0 18px;letter-spacing:-.01em}
.impact-card .sig,.impact-card .ask{display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:14.5px}
.impact-card .sig b,.impact-card .ask b{font-family:var(--mono);font-size:11px;letter-spacing:.12em;font-weight:600;padding-top:3px}
.impact-card .sig b{color:var(--cyan)}.impact-card .ask b{color:var(--coral)}
.impact-card .sig p,.impact-card .ask p{margin:0;color:var(--muted)}
.impact-card .ask p{color:var(--text)}
.impact-card .tag{margin:16px 0 0;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--dim)}
.impact-note{margin:26px 0 0;font-size:12.5px;color:var(--dim);max-width:900px}
/* ticket as holo pass */
.ticket-art img{height:320px;object-fit:cover;object-position:center}
.ticket-art::after{background:linear-gradient(180deg,transparent 30%,rgba(10,16,46,.97))}
.ticket-id{position:absolute;left:24px;bottom:18px;z-index:1;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--cyan);border:1px solid rgba(62,230,255,.4);border-radius:8px;padding:6px 12px;background:rgba(3,6,22,.5);backdrop-filter:blur(6px)}
/* final band core */
.final-band{text-align:center;overflow:hidden}
.final-band .wrap{position:relative;z-index:1}
.core{width:min(420px,70vw);margin:-40px auto 10px;border-radius:50%;overflow:hidden;position:relative;mask-image:radial-gradient(circle,#000 45%,transparent 70%);-webkit-mask-image:radial-gradient(circle,#000 45%,transparent 70%)}
.core img{width:100%;animation:corefloat 7s ease-in-out infinite}
@keyframes corefloat{50%{transform:translateY(-12px) scale(1.03)}}
/* reveal stagger */
.reveal-ready{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal-ready.is-visible{opacity:1;transform:none}
.bento .reveal-ready:nth-child(2),.impact-grid .reveal-ready:nth-child(2){transition-delay:.1s}
.bento .reveal-ready:nth-child(3),.impact-grid .reveal-ready:nth-child(3){transition-delay:.2s}
.impact-grid .reveal-ready:nth-child(4){transition-delay:.3s}
@media (max-width:1000px){.bento{grid-template-columns:1fr}.impact-grid{grid-template-columns:1fr}.booth-guide ul{grid-template-columns:1fr}.ticket-art img{height:240px}}
@media (prefers-reduced-motion:reduce){.tilt,.core img,.progress span{animation:none;transition:none}.reveal-ready{opacity:1;transform:none}}
.ticket-art{background:#030616}
.ticket-art img{height:400px;object-fit:contain;object-position:center}
@media (max-width:1000px){.ticket-art img{height:260px}}
/* sessions chooser */
.sessions{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:18px;align-items:stretch}
.session-card{display:flex;flex-direction:column;gap:10px;padding:26px 26px 24px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(14,22,58,.7),rgba(8,12,36,.85))}
.session-card.main{border-color:rgba(242,107,88,.55);background:linear-gradient(160deg,rgba(242,107,88,.14),rgba(139,108,255,.14),rgba(8,12,36,.9));box-shadow:0 30px 80px -30px rgba(242,107,88,.5)}
.s-time{font-family:var(--mono);font-size:14px;color:var(--cyan);letter-spacing:.06em}
.session-card.main .s-time{color:var(--coral2)}
.s-tag{align-self:flex-start;font-family:var(--mono);font-size:12px;letter-spacing:.08em;padding:5px 10px;border-radius:8px;border:1px solid}
.s-tag.free{color:#5dffb0;border-color:rgba(93,255,176,.4);background:rgba(93,255,176,.08)}
.s-tag.aa{color:#ffd27a;border-color:rgba(255,210,122,.4);background:rgba(255,210,122,.08)}
.s-tag.paid{color:#fff;border-color:rgba(255,160,140,.5);background:rgba(242,107,88,.25);font-weight:700;font-size:15px}
.session-card h3{font-size:21px;margin:4px 0 0;line-height:1.3}
.session-card .plain-list{margin:4px 0 0;padding-left:18px;color:var(--muted);font-size:14.5px}
.session-card .plain-list li{margin:3px 0}
.s-note{margin:0;font-size:13px;color:var(--dim);flex:1}
.full{width:100%;justify-content:center}
.ss-foot{margin:22px 0 0;text-align:center;font-size:14px}
.ticket-main .wa-link{margin-top:12px;display:block}
@media (max-width:1000px){.sessions{grid-template-columns:1fr}.session-card.main{order:-1}}
/* sessions multi-select */
.session-card{transition:border-color .25s,box-shadow .25s,transform .35s}
.session-card.selected{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 24px 60px -24px rgba(62,230,255,.6)}
.session-card.main.selected{border-color:var(--coral2);box-shadow:0 0 0 1px var(--coral2),0 24px 60px -24px rgba(242,107,88,.7)}
.s-pick[aria-pressed="true"]{border-color:var(--cyan);background:rgba(62,230,255,.14);color:var(--text)}
.session-card.main .s-pick[aria-pressed="true"]{border-color:var(--coral2);background:rgba(242,107,88,.22)}
.ss-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 22px;margin-top:22px;padding:16px 22px;border-radius:16px;border:1px solid var(--line-strong);background:rgba(10,16,46,.75);backdrop-filter:blur(10px);position:sticky;bottom:72px;z-index:5}
.ss-sum{margin:0;font-size:15px;color:var(--muted)}
.ss-sum b{color:var(--text);font-size:18px}
.ss-bar .ghost[aria-pressed="true"]{border-color:var(--cyan);background:rgba(62,230,255,.12)}
@media (min-width:1001px){.ss-bar{bottom:16px}}