:root{
  --bg:#08122a;
  --bg-deep:#050b1a;
  --panel:rgba(14,24,52,.72);
  --panel-solid:#0e1834;
  --text:#f7f9ff;
  --muted:#9aa8c7;
  --line:rgba(186,206,255,.14);
  --violet:#7a3bf5;
  --violet-2:#a166f6;
  --peach:#f9b49e;
  --peach-2:#ffc9b5;
  --glow:rgba(122,59,245,.45);
  --gradient:linear-gradient(115deg,#7a3bf5 0%,#b57cff 42%,#f9b49e 100%);
  --gradient-soft:linear-gradient(120deg,rgba(122,59,245,.9),rgba(249,180,158,.85));
  --sans:"Outfit",system-ui,sans-serif;
  --display:"Syne",system-ui,sans-serif;
  --mono:"IBM Plex Mono",monospace;
  --radius:18px;
  --header-h:84px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:radial-gradient(1200px 700px at 75% -10%,rgba(122,59,245,.28),transparent 55%),
             radial-gradient(900px 600px at 10% 20%,rgba(249,180,158,.12),transparent 50%),
             radial-gradient(800px 500px at 50% 110%,rgba(122,59,245,.18),transparent 55%),
             linear-gradient(180deg,var(--bg-deep),var(--bg) 35%,#0a1634);
  color:var(--text);
  font-family:var(--sans);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{max-width:100%;display:block}

.stars,.nebula,.noise,.cursor-glow{pointer-events:none;position:fixed;inset:0}
.stars{
  z-index:0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%,rgba(255,255,255,.85),transparent),
    radial-gradient(1px 1px at 28% 42%,rgba(249,180,158,.8),transparent),
    radial-gradient(1.5px 1.5px at 48% 12%,rgba(161,102,246,.9),transparent),
    radial-gradient(1px 1px at 67% 28%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.5px 1.5px at 82% 16%,rgba(249,180,158,.75),transparent),
    radial-gradient(1px 1px at 91% 48%,rgba(255,255,255,.55),transparent),
    radial-gradient(1px 1px at 18% 72%,rgba(161,102,246,.7),transparent),
    radial-gradient(1.5px 1.5px at 39% 84%,rgba(255,255,255,.6),transparent),
    radial-gradient(1px 1px at 58% 66%,rgba(249,180,158,.65),transparent),
    radial-gradient(1px 1px at 74% 88%,rgba(255,255,255,.5),transparent),
    radial-gradient(1.5px 1.5px at 8% 52%,rgba(255,255,255,.45),transparent);
  opacity:.7;
  animation:twinkle 5s ease-in-out infinite alternate;
}
.nebula{
  z-index:0;
  background:
    radial-gradient(ellipse 50% 40% at 85% 15%,rgba(122,59,245,.35),transparent),
    radial-gradient(ellipse 40% 35% at 15% 70%,rgba(249,180,158,.12),transparent);
  filter:blur(8px);
}
.noise{
  z-index:30;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
.cursor-glow{
  z-index:0;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(161,102,246,.16),transparent 68%);
  transform:translate(-50%,-50%);
  transition:opacity .2s;
}

.section-shell{width:min(1180px,calc(100% - 48px));margin:0 auto;position:relative;z-index:1}
.section-pad{padding:110px 0}
.gradient-text{
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.muted{color:rgba(154,168,199,.55)}

/* Header — Decentrathon-like */
.site-header{
  width:min(1180px,calc(100% - 48px));
  margin:0 auto;
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  position:sticky;top:0;z-index:40;
}
.site-header:before{
  content:"";position:absolute;inset:0 -24px;z-index:-1;
  background:linear-gradient(180deg,rgba(5,11,26,.92),rgba(5,11,26,.55) 70%,transparent);
  backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--gradient);
  color:#0a1020;font:800 11px/1 var(--display);letter-spacing:-.04em;
  box-shadow:0 0 28px rgba(122,59,245,.45);
}
.brand-copy{display:flex;flex-direction:column;font:700 11px/1.15 var(--display);letter-spacing:.08em;text-transform:uppercase}
.brand-copy em{font-style:normal;color:var(--muted);font-weight:500;letter-spacing:.12em;font-size:9px}
.nav{display:flex;gap:28px;font:500 14px/1 var(--sans);color:var(--muted)}
.nav a{transition:color .2s}
.nav a:hover{color:var(--text)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;gap:10px;font:500 12px var(--mono);color:var(--muted)}
.lang-switch button{appearance:none;border:0;background:transparent;color:inherit;cursor:pointer;padding:0;letter-spacing:.04em}
.lang-switch button.is-active,.lang-switch button:hover{color:var(--peach)}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px;border-radius:10px;
  background:var(--gradient);color:#0a1020;
  font:700 13px/1 var(--sans);
  box-shadow:0 0 0 1px rgba(255,255,255,.08),0 10px 30px rgba(122,59,245,.35);
  transition:transform .2s,box-shadow .2s;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,255,255,.12),0 14px 36px rgba(122,59,245,.45)}

/* Hero */
.hero{
  min-height:calc(100svh - var(--header-h));
  display:flex;flex-direction:column;justify-content:space-between;
  padding:28px 0 36px;overflow:hidden;
}
.hero-meta{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--muted);font:500 13px var(--mono);letter-spacing:.04em;
}
.hero-stage{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:40px;align-items:end;padding:48px 0 36px;position:relative;
}
.hero-content{position:relative;z-index:2;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin-bottom:22px;color:var(--peach);
  font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;
}
.pulse{
  width:8px;height:8px;border-radius:50%;background:var(--peach);
  box-shadow:0 0 16px var(--peach);animation:pulse 1.8s infinite;
}
h1,h2,h3,p{margin:0}
.hero h1{
  font-family:var(--display);
  font-size:clamp(48px,8.4vw,108px);
  line-height:.92;letter-spacing:-.05em;font-weight:800;
  text-transform:uppercase;
}
.hero-edition{
  display:inline-block;margin-top:8px;
  font-family:var(--display);font-weight:800;
  font-size:clamp(56px,10vw,140px);line-height:.85;letter-spacing:-.06em;
  background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 28px rgba(122,59,245,.35));
}
.hero-lead{
  margin-top:28px;max-width:460px;
  color:var(--muted);font-size:clamp(16px,1.6vw,19px);line-height:1.55;
}
.hero-visual{
  position:relative;min-height:340px;
  display:flex;align-items:center;justify-content:center;
}
.hero-orb{
  position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,rgba(249,180,158,.55),rgba(122,59,245,.35) 45%,transparent 70%);
  filter:blur(8px);animation:float 7s ease-in-out infinite;
}
.hero-date-mark{
  position:relative;z-index:2;
  font-family:var(--display);font-weight:800;
  font-size:clamp(110px,18vw,220px);line-height:.8;letter-spacing:-.08em;
  display:grid;grid-template-columns:1fr;justify-items:center;gap:0;
  transform:rotate(-8deg);
}
.hero-date-mark .filled{
  background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(122,59,245,.35);
}
.hero-date-mark .slash{
  font-size:.55em;margin:-.12em 0;color:transparent;
  -webkit-text-stroke:2px rgba(186,206,255,.35);
  transform:rotate(12deg);
}
.hero-date-mark .outline{
  color:transparent;-webkit-text-stroke:2px rgba(186,206,255,.4);
}
.hero-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:18px 20px;border:1px solid var(--line);border-radius:16px;
  background:rgba(10,18,42,.55);backdrop-filter:blur(14px);
  box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:18px}
.hero-chip{
  display:flex;align-items:center;gap:10px;
  color:var(--muted);font:500 13px var(--sans);
}
.hero-chip i{
  width:28px;height:28px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(122,59,245,.18);color:var(--peach);font-style:normal;font-size:13px;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 18px;border-radius:12px;border:1px solid transparent;
  font:700 14px/1 var(--sans);transition:all .25s;
}
.button-primary{
  background:var(--gradient);color:#0a1020;
  box-shadow:0 10px 30px rgba(122,59,245,.35);
}
.button-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(122,59,245,.5)}
.button-ghost{
  color:var(--text);border-color:var(--line);background:rgba(255,255,255,.03);
}
.button-ghost:hover{border-color:rgba(249,180,158,.45);color:var(--peach)}
.text-link{
  display:inline-flex;gap:8px;align-items:center;
  color:var(--text);font:600 14px var(--sans);
  border-bottom:1px dotted rgba(249,180,158,.55);padding-bottom:2px;
}
.text-link:hover{color:var(--peach)}

/* Ticker */
.ticker{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;white-space:nowrap;color:var(--muted);
  font:600 12px var(--mono);letter-spacing:.14em;position:relative;z-index:1;
}
.ticker-track{display:flex;gap:28px;padding:16px 0;width:max-content;animation:marquee 34s linear infinite}
.ticker b{color:var(--peach);font-weight:400}

/* Sections shared */
.section-kicker,.item-label,.booth-type{
  font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.section-kicker{display:flex;gap:10px;align-items:center;margin-bottom:22px}
.section-kicker span{color:var(--peach)}
h2{
  font-family:var(--display);
  font-size:clamp(36px,6vw,72px);
  line-height:.98;letter-spacing:-.04em;font-weight:800;
}

.intro-layout{display:grid;grid-template-columns:1fr 1fr;gap:72px}
.intro-copy{padding-top:8px;max-width:470px;color:var(--muted);font-size:15px;line-height:1.7}
.large-copy{font-size:20px;line-height:1.5;color:#e8edff;margin-bottom:18px;letter-spacing:-.02em}
.stat-row{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:22px;margin-top:32px}
.stat-row div{display:flex;flex-direction:column;gap:6px}
.stat-row strong{font:700 28px var(--display);background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-row span{font:500 11px/1.35 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

.section-heading{display:grid;grid-template-columns:1fr 1.05fr;align-items:end;margin-bottom:48px}
.section-heading p{justify-self:end;color:var(--muted);max-width:280px;font-size:15px;line-height:1.55}

.program-tabs{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:10px;margin-bottom:18px;
}
.tab{
  appearance:none;border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.02);color:var(--muted);
  text-align:left;padding:18px 16px;cursor:pointer;transition:.2s;
  font:700 13px var(--mono);
}
.tab span{display:block;font:500 12px var(--sans);margin-top:8px;color:var(--muted);font-weight:500}
.tab:hover,.tab.is-active{
  color:var(--text);border-color:rgba(161,102,246,.45);
  background:linear-gradient(145deg,rgba(122,59,245,.16),rgba(249,180,158,.06));
}
.tab.is-active span{color:#d7def5}
.timeline-hidden{display:none}
.timeline-item{
  display:grid;grid-template-columns:140px 1fr 40px;gap:28px;
  padding:24px 14px;border-bottom:1px solid var(--line);align-items:start;
  border-radius:12px;transition:.2s;
}
.timeline-item:hover{background:rgba(122,59,245,.06);padding-left:18px;padding-right:18px}
.timeline-item time{font:500 13px var(--mono);color:var(--peach);padding-top:4px}
.timeline-item time span{color:var(--violet-2);padding:0 6px}
.item-label{color:var(--muted);font-size:10px;margin-bottom:8px}
.timeline-item h3{font-size:20px;letter-spacing:-.03em;font-weight:700}
.timeline-item p{font-size:14px;line-height:1.55;color:var(--muted);max-width:600px;margin-top:6px}
.item-icon{
  display:flex;height:34px;width:34px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;color:var(--peach);font:600 14px var(--mono);
}
.timeline-item.featured .item-icon{
  background:rgba(122,59,245,.18);border-color:rgba(161,102,246,.5);
}
.break-item{background:rgba(249,180,158,.04)}
.break-callout{
  display:flex;align-items:center;justify-content:center;gap:14px;
  padding:80px 0;color:var(--muted);font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.1em;
}
.break-callout span{font-size:42px;color:var(--peach);letter-spacing:-.06em;font-family:var(--display)}
.break-callout p{line-height:1.5}

.expo{border-top:1px solid var(--line)}
.expo-heading{display:grid;grid-template-columns:1fr 1fr;align-items:end;margin-bottom:36px}
.expo-heading p{max-width:300px;color:var(--muted);font-size:15px;line-height:1.55;justify-self:end}
.category-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.category{
  border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--muted);
  padding:10px 14px;border-radius:999px;font:500 12px var(--mono);cursor:pointer;transition:.2s;
}
.category b{color:var(--peach);font-weight:500;margin-left:8px}
.category:hover,.category.is-active{
  border-color:rgba(161,102,246,.5);color:var(--text);
  background:rgba(122,59,245,.16);
}
.booth-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.booth-card{
  position:relative;min-height:168px;border:1px solid var(--line);border-radius:16px;
  padding:16px;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(160deg,rgba(122,59,245,.12),rgba(255,255,255,.02) 55%);
  overflow:hidden;transition:.25s;
}
.booth-card:before{
  content:"";position:absolute;right:-36px;bottom:-50px;width:140px;height:140px;border-radius:50%;
  border:1px solid rgba(249,180,158,.18);
  box-shadow:0 0 0 16px rgba(122,59,245,.04);
}
.booth-card:hover{transform:translateY(-4px);border-color:rgba(161,102,246,.55);box-shadow:0 16px 40px rgba(0,0,0,.28)}
.booth-number{font:500 12px var(--mono);color:var(--muted)}
.booth-type{font-size:9px;color:var(--muted);margin-top:18px}
.booth-card h3{font-size:17px;line-height:1.15;letter-spacing:-.03em;max-width:170px;font-weight:700}
.booth-plus{position:absolute;right:16px;top:14px;color:var(--peach);font-size:18px}
.booth-card.sponsor{background:linear-gradient(160deg,rgba(249,180,158,.12),transparent 60%)}
.booth-card.sponsor .booth-type{color:var(--peach)}
.booth-card.edu{background:linear-gradient(160deg,rgba(161,102,246,.16),transparent 60%)}
.booth-card.edu .booth-type{color:var(--violet-2)}
.booth-card.hardware{background:linear-gradient(160deg,rgba(122,59,245,.22),transparent 60%)}
.booth-card.hardware .booth-type{color:#c9b0ff}
.booth-card.is-hidden{display:none}

.expo-route{
  display:grid;grid-template-columns:.72fr 1.28fr;min-height:430px;
  border:1px solid var(--line);border-radius:20px;overflow:hidden;margin-top:48px;
  background:linear-gradient(145deg,rgba(14,24,52,.9),rgba(8,18,42,.95));
}
.route-intro{padding:36px 30px;display:flex;flex-direction:column}
.route-intro h3{font-family:var(--display);font-size:clamp(32px,4vw,52px);line-height:.95;letter-spacing:-.04em;margin-top:auto;font-weight:800}
.route-intro h3 span{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.route-intro>p{color:var(--muted);font-size:13px;line-height:1.5;margin-top:18px;max-width:240px}
.route-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:22px}
.route-option{
  appearance:none;border:1px solid var(--line);border-radius:10px;
  background:rgba(255,255,255,.02);color:var(--muted);padding:10px 9px;text-align:left;
  font:500 11px var(--mono);cursor:pointer;transition:.25s;
}
.route-option:hover,.route-option.is-active{
  border-color:rgba(249,180,158,.5);color:var(--peach);background:rgba(249,180,158,.08);
}
.route-steps{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:8px}
.route-step{
  display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:center;
  border-left:1px solid rgba(161,102,246,.25);padding:7px 0 7px 10px;
  animation:step-in .35s ease both;
}
.route-step span{font:500 11px var(--mono);color:var(--peach)}
.route-step strong{font-size:13px;font-weight:700}
.route-step small{display:block;color:var(--muted);font:400 10px var(--mono);margin-top:3px}
.map-scene{position:relative;min-height:430px;margin:0;overflow:hidden;background:#0a1428;isolation:isolate}
.floorplan-svg{position:absolute;inset:0;width:100%;height:100%;display:block;background:#08122a}
.floor-shell{fill:#0d1a38;stroke:rgba(161,102,246,.45);stroke-width:2}
.floor-banner{fill:rgba(122,59,245,.14);stroke:rgba(249,180,158,.55);stroke-width:2}
.floor-zone{fill:rgba(20,34,70,.75);stroke:rgba(161,102,246,.35);stroke-width:2}
.floor-side{fill:rgba(24,38,78,.8)}
.floor-center{fill:rgba(16,28,60,.9)}
.floor-photo{fill:rgba(249,180,158,.1);stroke:rgba(249,180,158,.55)}
.floor-registration{fill:rgba(122,59,245,.14);stroke:rgba(161,102,246,.65)}
.floor-hub{fill:rgba(122,59,245,.18);stroke:rgba(201,176,255,.65)}
.floor-stage-core{fill:rgba(249,180,158,.12);stroke:var(--peach);stroke-width:3;filter:drop-shadow(0 0 10px rgba(249,180,158,.45))}
.floor-booths rect,.floor-center-booths rect{fill:rgba(161,102,246,.08);stroke:rgba(161,102,246,.35);stroke-width:2}
.floor-aisle{stroke:rgba(249,180,158,.45);stroke-width:2;stroke-dasharray:6 8}
.floor-label,.floor-sub,.floor-code{font-family:var(--mono);letter-spacing:.12em}
.floor-label{fill:var(--peach);font-size:18px;font-weight:500}
.floor-label-small{font-size:12px;fill:#c9b0ff}
.floor-sub{fill:#7f8fb3;font-size:11px}
.floor-code{fill:#5d6d93;font-size:10px}
.map-overlay{position:absolute;inset:0;z-index:4}
.map-overlay svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.map-overlay path{
  fill:none;stroke:#f9b49e;stroke-width:1.1;stroke-dasharray:.022 .014;
  filter:drop-shadow(0 0 5px rgba(249,180,158,.6));transition:stroke-dashoffset .8s ease;
}
.map-node{
  position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);
  border:0;background:transparent;padding:0;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:5px;color:#d7def5;
}
.map-node i{
  display:block;width:18px;height:18px;border-radius:50%;
  border:1px solid var(--peach);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 5px rgba(249,180,158,.12),0 0 20px rgba(122,59,245,.45);transition:.25s;
}
.map-node b{
  font:600 9px var(--mono);letter-spacing:.08em;
  background:rgba(122,59,245,.85);padding:4px 6px;border-radius:6px;white-space:nowrap;
}
.map-node:hover i,.map-node.is-active i{
  transform:scale(1.15);background:var(--peach);border-color:var(--peach);
}
.map-node:hover b,.map-node.is-active b{background:var(--gradient);color:#0a1020}
.map-node--entrance i{border-color:var(--violet-2)}
.map-hud{
  position:absolute;z-index:5;left:16px;right:16px;bottom:14px;
  display:flex;justify-content:space-between;gap:12px;
  font:600 10px var(--mono);letter-spacing:.08em;
}
.map-hud span{background:rgba(122,59,245,.85);color:#fff;padding:7px 9px;border-radius:8px}
.map-hud span+span{background:rgba(8,18,42,.8);color:var(--peach);border:1px solid var(--line)}

.aihub{border-top:1px solid var(--line);overflow:hidden}
.aihub-topline{display:flex;justify-content:space-between;align-items:center}
.aihub-signal{display:flex;gap:9px;align-items:center;color:var(--muted);font:500 11px var(--mono);letter-spacing:.12em}
.aihub-signal span:first-child{width:7px;height:7px;border-radius:50%;background:var(--peach);box-shadow:0 0 14px var(--peach)}
.aihub-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center}
.aihub-copy h2{font-size:clamp(42px,6.5vw,84px)}
.aihub-lead{max-width:540px;color:#d5dcf2;font-size:17px;line-height:1.55;margin-top:24px}
.aihub-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.aihub-tags span{
  padding:8px 12px;border-radius:999px;border:1px solid rgba(161,102,246,.35);
  color:var(--peach);font:500 11px var(--mono);letter-spacing:.06em;
}
.aihub-project{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;max-width:540px}
.aihub-project-label{color:var(--peach);font:600 11px var(--mono);letter-spacing:.14em}
.aihub-project h3{font-size:24px;line-height:1.15;letter-spacing:-.03em;margin-top:12px;font-weight:700}
.aihub-project p{max-width:470px;color:var(--muted);font-size:14px;line-height:1.55;margin-top:10px}
.aihub-speaker{display:flex;gap:12px;align-items:center;margin-top:18px}
.aihub-speaker-dot{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--peach);
  box-shadow:0 0 0 6px rgba(249,180,158,.1);position:relative;
}
.aihub-speaker-dot:after{content:"↗";position:absolute;inset:0;display:grid;place-items:center;color:var(--peach);font:600 11px var(--mono)}
.aihub-speaker strong,.aihub-speaker small{display:block}
.aihub-speaker strong{font-size:13px}
.aihub-speaker small{font:400 10px var(--mono);color:var(--muted);margin-top:4px}
.aihub-visual{min-height:540px;position:relative;display:flex;align-items:center;justify-content:center;isolation:isolate}
.aihub-visual:before{
  content:"";position:absolute;inset:12% 5%;border:1px solid rgba(161,102,246,.25);border-radius:24px;
  background-image:linear-gradient(rgba(161,102,246,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(161,102,246,.06) 1px,transparent 1px);
  background-size:32px 32px;transform:skewY(-5deg);z-index:-1;
}
.aihub-photo{
  width:min(300px,70%);aspect-ratio:.75;position:relative;overflow:hidden;border-radius:18px;
  border:1px solid rgba(249,180,158,.35);transform:rotate(3deg);
  box-shadow:18px 18px 0 rgba(122,59,245,.12),0 0 60px rgba(122,59,245,.25);
}
.aihub-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.04)}
.photo-index{position:absolute;bottom:12px;right:12px;background:var(--gradient);color:#0a1020;font:700 10px var(--mono);padding:6px 8px;border-radius:8px}
.aihub-stamp{
  position:absolute;left:4%;top:12%;
  font:800 52px/.8 var(--display);letter-spacing:-.08em;color:transparent;
  -webkit-text-stroke:1px rgba(186,206,255,.28);transform:rotate(-8deg);
}
.aihub-stamp span{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-stroke:0;font-size:.8em}
.aihub-orbit{position:absolute;border:1px solid rgba(161,102,246,.3);border-radius:50%;width:420px;height:170px;transform:rotate(-24deg);z-index:-1}
.orbit-a{box-shadow:0 0 40px rgba(122,59,245,.15)}
.orbit-b{width:350px;height:140px;transform:rotate(28deg);border-color:rgba(249,180,158,.22)}
.aihub-logo-rail{position:absolute;right:0;bottom:6%;display:flex;gap:10px;align-items:center}
.aihub-logo-rail img{width:52px;height:52px;object-fit:contain;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.92);padding:4px}
.aihub-logo-rail img+img{width:56px;height:56px;background:#0b16cf;padding:5px}

.hub{border-top:1px solid var(--line)}
.hub-mark{display:flex;align-items:center;gap:18px;margin-bottom:56px}
.hub-mark img{width:120px;height:auto;opacity:.95;filter:brightness(1.05)}
.hub-line{height:1px;background:var(--line);flex:0 0 56px}
.hub-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px}
.hub-grid h2{font-size:clamp(56px,8vw,110px)}
.hub-lead{font-size:22px;line-height:1.35;color:#e8edff;max-width:560px;margin-bottom:16px;letter-spacing:-.02em}
.hub-grid p:not(.hub-lead){font-size:15px;line-height:1.7;color:var(--muted);max-width:580px}
.hub-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:28px;padding:18px 0}
.hub-stats div{display:flex;flex-direction:column;gap:6px}
.hub-stats strong{font:700 18px var(--display);color:var(--peach)}
.hub-stats span{font:500 10px var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.hub-infra{margin-top:16px;color:#c4cee6;font:500 11px var(--mono)}
.hub-infra i{font-style:normal;color:var(--peach);padding:0 5px}
.hub-programs{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hub-programs span{border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#c4cee6;font:500 11px var(--mono)}
.hub .text-link{margin-top:28px;color:var(--peach);border-bottom-color:rgba(249,180,158,.45)}

.venue{border-top:1px solid var(--line)}
.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:stretch}
.venue-detail{display:flex;gap:14px;align-items:flex-start;margin-top:28px}
.detail-icon{color:var(--peach);font:500 20px var(--mono)}
.venue-detail strong{font-size:15px;font-weight:700}
.venue-detail p{color:var(--muted);font:500 12px var(--mono);margin-top:6px}
.venue-grid .button{margin-top:36px}
.venue-art{
  min-height:380px;border:1px solid var(--line);border-radius:22px;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 50% 45%,rgba(122,59,245,.28),transparent 38%),
    linear-gradient(145deg,#122048,#08122a);
}
.venue-art:before{
  content:"";position:absolute;inset:16px;border:1px solid rgba(161,102,246,.25);border-radius:16px;
  background-image:linear-gradient(rgba(161,102,246,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(161,102,246,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.rings{
  position:absolute;width:210px;height:210px;border:1px solid var(--peach);border-radius:50%;
  top:50%;left:50%;transform:translate(-50%,-50%);
  box-shadow:0 0 0 28px rgba(122,59,245,.08),0 0 0 56px rgba(249,180,158,.04),0 0 40px rgba(122,59,245,.3);
}
.rings:after,.rings:before{
  content:"";position:absolute;inset:-20px;border:1px solid rgba(161,102,246,.55);border-radius:50%;
  transform:rotate(60deg) scaleY(.35);
}
.rings:after{transform:rotate(-60deg) scaleY(.35)}
.venue-coordinates{position:absolute;left:28px;bottom:28px;color:var(--peach);font:500 11px/1.5 var(--mono);letter-spacing:.1em}
.venue-label{position:absolute;right:28px;top:28px;color:var(--muted);font:500 11px var(--mono);letter-spacing:.14em}

.register{padding-top:24px;padding-bottom:120px}
.register-card{
  position:relative;overflow:hidden;border:1px solid rgba(161,102,246,.35);border-radius:28px;
  background:linear-gradient(120deg,rgba(18,32,72,.95),rgba(10,18,42,.98) 55%,rgba(40,24,70,.9));
  padding:64px 72px;
  box-shadow:0 30px 80px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.06);
}
.register-card:after{
  content:"11 / 11";position:absolute;right:-8px;bottom:-54px;
  font:800 240px/1 var(--display);letter-spacing:-.08em;
  background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.12;pointer-events:none;
}
.register-glow{
  position:absolute;width:480px;height:480px;right:0;top:-55%;border-radius:50%;
  background:radial-gradient(circle,rgba(122,59,245,.28),transparent 68%);
}
.register-card h2{font-size:clamp(48px,7vw,92px);position:relative}
.register-card p{color:var(--muted);max-width:380px;font-size:15px;line-height:1.6;margin-top:22px;position:relative}
.signup-form{position:relative;margin-top:28px;max-width:480px}
.signup-form label{
  display:flex;align-items:center;gap:8px;
  border:1px solid rgba(161,102,246,.35);border-radius:14px;
  background:rgba(255,255,255,.03);padding:4px 4px 4px 16px;
}
.signup-form input{
  font:500 14px var(--sans);color:var(--text);background:transparent;border:0;outline:0;padding:12px 0;flex:1;
}
.signup-form input::placeholder{color:#6f7f9f}
.signup-form button{
  background:var(--gradient);border:0;color:#0a1020;border-radius:11px;
  font:800 18px var(--sans);cursor:pointer;padding:12px 16px;min-width:52px;
}
.signup-form small{display:block;margin-top:12px;color:var(--muted);font:500 11px var(--mono)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.site-footer{
  border-top:1px solid var(--line);padding:28px 0 40px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  color:var(--muted);font:500 12px var(--mono);letter-spacing:.06em;position:relative;z-index:1;
}
.footer-brand{display:flex;gap:12px;color:var(--text);line-height:1.45;align-items:center}
.footer-brand .brand-mark{width:34px;height:34px;font-size:10px}
.footer-brand small{color:var(--muted);font-size:10px}
.footer-links{display:flex;gap:24px}
.footer-links a:hover{color:var(--peach)}
.footer-credit{text-align:right;line-height:1.5}
.footer-credit span{color:var(--peach)}

@keyframes pulse{50%{opacity:.35;transform:scale(.75)}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes twinkle{from{opacity:.45}to{opacity:.85}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes step-in{from{opacity:0;transform:translateX(-7px)}to{opacity:1;transform:none}}
@keyframes map-scan{0%{transform:translateY(-100%)}100%{transform:translateY(100%)}}

@media (max-width:900px){
  .section-shell,.site-header{width:min(100% - 32px,720px)}
  .nav{display:none}
  .hero-stage{grid-template-columns:1fr;gap:20px;padding:36px 0 28px}
  .hero-visual{min-height:220px;order:-1}
  .hero-date-mark{font-size:120px}
  .hero-bar{align-items:stretch}
  .hero-actions,.hero-chips{width:100%}
  .button{width:100%;justify-content:center}
  .section-pad{padding:84px 0}
  .intro-layout,.hub-grid,.venue-grid,.aihub-grid,.section-heading,.expo-heading{grid-template-columns:1fr;gap:28px}
  .section-heading p,.expo-heading p{justify-self:start}
  .program-tabs{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:88px 1fr;gap:14px}
  .timeline-item .item-icon{display:none}
  .booth-grid{grid-template-columns:repeat(2,1fr)}
  .expo-route{grid-template-columns:1fr}
  .map-scene{min-height:320px}
  .hub-stats{grid-template-columns:repeat(2,1fr)}
  .register-card{padding:40px 24px}
  .register-card:after{font-size:140px}
  .site-footer{flex-wrap:wrap}
  .aihub-visual{min-height:420px}
}
@media (max-width:520px){
  .header-cta{display:none}
  .hero h1{font-size:42px}
  .hero-edition{font-size:64px}
  .booth-grid{grid-template-columns:1fr}
  .stat-row{gap:14px}
  .stat-row strong{font-size:22px}
  .footer-links{order:3;width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ticker-track,.pulse,.stars,.hero-orb{animation:none}
}