@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --navy: #06162f;
  --navy-2: #0a2448;
  --blue: #0c5aa6;
  --blue-bright: #2585d6;
  --cyan: #68d5d2;
  --lime: #badb3f;
  --paper: #f4f8fb;
  --pale: #e8f1f7;
  --line: #c8d9e4;
  --ink: #102744;
  --muted: #5c7489;
  --white: #f9fcfd;
  /*--display: 'Space Grotesk', 'Trebuchet MS', sans-serif;*/
  /*--body: 'Manrope', 'Trebuchet MS', sans-serif;*/
 
  --display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ease: cubic-bezier(.2,.75,.25,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.6; overflow-x: hidden; }
body::before { content: ''; position: fixed; inset: 0; pointer-events: none; opacity: .035; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.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; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .6rem 1rem; background: var(--lime); color: var(--navy); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.announcement { background: var(--navy); color: rgba(255,255,255,.7); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.announcement__inner { min-height: 31px; display: flex; gap: 12px; align-items: center; }
.announcement a { margin-left: auto; color: var(--lime); font-weight: 800; }
.announcement__rule { width: 28px; height: 1px; background: rgba(255,255,255,.25); }
.signal-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(186,219,63,.13); }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(244,248,251,.92); border-bottom: 1px solid transparent; transition: border-color .25s, box-shadow .25s, background .25s; backdrop-filter: blur(15px); }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 28px rgba(6,22,47,.07); background: rgba(244,248,251,.97); }
.nav-wrap { height: 79px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--navy); }
.brand__mark { display: grid; place-items: center; position: relative; width: 38px; height: 43px; color: var(--white); font: 700 17px/1 var(--display); background: var(--blue); clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%); }
.brand__mark::after { content: ''; position: absolute; inset: 4px; border: 1px solid rgba(255,255,255,.42); clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%); }
.brand__mark i { position: absolute; right: 2px; top: 2px; width: 8px; height: 8px; border-top: 3px solid var(--lime); border-right: 3px solid var(--lime); }
.brand__text { display: grid; line-height: .9; letter-spacing: .08em; }
.brand__text strong, .brand__text em { font: 700 14px/1 var(--display); font-style: normal; }
.brand__text em { color: var(--blue); }
.brand__text small { margin-top: 5px; font: 700 7px/1 var(--body); letter-spacing: .18em; color: var(--muted); }
.desktop-nav { display: flex; gap: 25px; align-items: center; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.desktop-nav a:not(.nav-cta) { position: relative; padding: 30px 0; }
.desktop-nav a:not(.nav-cta)::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 21px; height: 2px; background: var(--lime); transition: right .3s var(--ease); }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--navy); }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { right: 0; }
.nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s; }
.nav-cta { padding: 11px 16px; background: var(--navy); color: var(--white); border: 1px solid var(--navy); font-size: 10px; }
.nav-cta:hover { transform: translateY(-2px); background: var(--blue); }
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; cursor: pointer; }
.menu-toggle span { display: block; width: 23px; height: 2px; margin: 5px auto; background: var(--navy); transition: transform .25s, opacity .25s; }
.mobile-menu { display: none; }
.hero { min-height: 695px; position: relative; overflow: hidden; background: var(--paper); border-bottom: 1px solid var(--line); }
.hero::before { content: ''; position: absolute; width: 620px; height: 620px; right: -150px; top: -160px; border: 1px solid rgba(12,90,166,.13); border-radius: 50%; box-shadow: 0 0 0 35px rgba(12,90,166,.025), 0 0 0 75px rgba(12,90,166,.02); }
.hero::after { content: ''; position: absolute; inset: 0; opacity: .25; pointer-events: none; background: linear-gradient(90deg, transparent 49.9%, rgba(12,90,166,.07) 50%, transparent 50.1%), linear-gradient(0deg, transparent 49.9%, rgba(12,90,166,.07) 50%, transparent 50.1%); background-size: 90px 90px; mask-image: linear-gradient(90deg, black, transparent 80%); }
.hero__gridline { position: absolute; border: 1px solid rgba(12,90,166,.17); pointer-events: none; }
.hero__gridline--top { width: 290px; height: 110px; right: 7%; top: 49px; border-left: 0; border-bottom: 0; }
.hero__gridline--side { width: 120px; height: 290px; left: 0; bottom: 32px; border-left: 0; border-bottom: 0; }
.hero__inner { display: grid; grid-template-columns: 48% 52%; align-items: center; min-height: 585px; position: relative; z-index: 2; }
.hero__copy { padding-top: 46px; }
.kicker { display: flex; align-items: center; gap: 12px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .16em; line-height: 1.2; text-transform: uppercase; }
.kicker span { color: var(--lime); font-family: monospace; font-size: 11px; }
.kicker--dark { color: rgba(255,255,255,.62); }
.kicker--light { color: var(--cyan); }
.hero__title-lockup { display: flex; align-items: flex-end; gap: 20px; margin: 34px 0 19px; }
.hero h1, h2, h3 { font-family: var(--display); }
.hero h1 { color: var(--navy); font-size: clamp(68px, 9vw, 115px); letter-spacing: -.085em; line-height: .82; }
.hero h1 span { color: var(--blue); }
.version-stamp { width: 72px; height: 78px; position: relative; display: grid; place-content: center; padding-top: 4px; color: var(--navy); background: var(--lime); clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%); text-align: center; }
.version-stamp::before { content: ''; position: absolute; inset: 5px; border: 1px solid rgba(6,22,47,.55); clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%); }
.version-stamp strong { font: 700 27px/1 var(--display); letter-spacing: -.08em; }
.version-stamp small { font: 800 8px/1 var(--body); letter-spacing: .2em; margin-top: 4px; }
.hero__strap { max-width: 365px; color: var(--muted); font-size: 16px; font-weight: 600; line-height: 1.45; }
.hero__theme { margin: 32px 0 33px; padding-left: 16px; border-left: 3px solid var(--lime); display: grid; gap: 5px; }
.hero__theme-label { color: var(--muted); font: 800 9px/1 var(--body); letter-spacing: .16em; text-transform: uppercase; }
.hero__theme strong { color: var(--navy); font: 600 18px/1.32 var(--display); }
.hero__actions { display: flex; align-items: center; gap: 25px; }
.button { min-height: 50px; padding: 0 22px; font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.button span, .nav-cta span { font-size: 17px; line-height: 0; }
.button--signal { background: var(--lime); color: var(--navy); }
.button--signal:hover { background: #cce95c; box-shadow: 0 10px 22px rgba(112,136,20,.22); transform: translateY(-3px); }
.button--navy { background: var(--navy); color: var(--white); }
.button--navy:hover { background: var(--blue); transform: translateY(-3px); }
.button--large { min-height: 58px; padding: 0 28px; }
.text-link { color: var(--navy); font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.text-link span { margin-left: 9px; color: var(--blue); font-size: 18px; }
.text-link:hover { color: var(--blue); }
.hero__visual { align-self: stretch; position: relative; min-height: 585px; margin-right: -80px; }
.visual-meta { position: absolute; top: 48px; left: 30px; right: 73px; display: flex; justify-content: space-between; color: var(--blue); font: 700 9px/1 monospace; letter-spacing: .12em; }
.city-illustration { width: 100%; height: 100%; position: absolute; inset: 0; overflow: visible; }
.city-fill { animation: floatCity 9s ease-in-out infinite; transform-origin: center bottom; }
.signal-lines { animation: signalDrift 7s ease-in-out infinite; }
.hvac-unit { filter: drop-shadow(0 13px 10px rgba(6,22,47,.22)); animation: unitFloat 6s ease-in-out infinite; }
@keyframes floatCity { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes unitFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes signalDrift { 0%,100% { transform: translateX(0); } 50% { transform: translateX(9px); } }
.visual-caption { position: absolute; bottom: 73px; right: 5px; width: 206px; padding: 13px 14px; border-left: 2px solid var(--lime); background: rgba(244,248,251,.88); }
.visual-caption strong, .visual-caption span { display: block; }
.visual-caption strong { color: var(--navy); font: 600 13px/1.25 var(--display); }
.visual-caption span { margin-top: 5px; color: var(--muted); font-size: 9px; line-height: 1.4; }
.countdown-panel { position: absolute; left: 29px; bottom: 73px; z-index: 2; width: 222px; padding: 13px 15px 14px; background: var(--navy); border-left: 3px solid var(--lime); }
.countdown-panel > span { display: block; margin-bottom: 10px; color: var(--cyan); font: 700 8px/1 var(--body); letter-spacing: .16em; }
.countdown-panel__digits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.countdown-panel strong { display: block; color: var(--white); font: 600 24px/.9 var(--display); letter-spacing: -.08em; }
.countdown-panel small { display: block; margin-top: 5px; color: rgba(255,255,255,.55); font: 700 7px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; }
.hero__rail { position: absolute; bottom: 0; left: 50%; right: auto; width: min(50vw, 590px); z-index: 3; display: grid; grid-template-columns: repeat(3, 1fr) 160px; gap: 18px; min-height: 80px; align-items: center; border-top: 1px solid var(--line); }
.hero__rail > div:not(.hero__scroll) { border-right: 1px solid var(--line); }
.hero__rail span { display: block; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .14em; }
.hero__rail strong { display: block; margin-top: 4px; color: var(--navy); font: 700 10px/1.3 var(--display); }
.hero__scroll { display: flex; align-items: center; justify-content: flex-end; gap: 12px; color: var(--blue); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.hero__scroll i { display: block; width: 43px; height: 1px; position: relative; background: var(--blue); }
.hero__scroll i::after { content: ''; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid var(--blue); border-bottom: 1px solid var(--blue); transform: rotate(-45deg); }
.proof-band { background: var(--navy); color: var(--white); }
.proof-band__grid { display: grid; grid-template-columns: 2.1fr repeat(3, 1fr); min-height: 155px; align-items: stretch; }
.proof-band__intro { padding: 34px 30px 30px 0; }
.proof-band__intro p { max-width: 320px; margin-top: 13px; color: rgba(255,255,255,.71); font: 500 15px/1.4 var(--display); }
.fact { display: flex; align-items: center; gap: 14px; padding-left: 28px; border-left: 1px solid rgba(255,255,255,.16); }
.fact strong { color: var(--lime); font: 600 42px/1 var(--display); letter-spacing: -.08em; }
.fact span { color: rgba(255,255,255,.62); font-size: 10px; font-weight: 700; line-height: 1.3; letter-spacing: .05em; text-transform: uppercase; }
.section { padding: 120px 0; position: relative; }
.section--light { background: var(--paper); }
.section--pale { background: var(--pale); }
.section-heading { max-width: 780px; }
.section-heading h2, .theme-copy h2, .keynote-copy h2, .program-header h2, .exhibition-copy h2, .register-layout h2 { color: var(--navy); font-size: clamp(44px, 6vw, 71px); letter-spacing: -.075em; line-height: .94; }
h2 em { color: var(--blue); font-style: normal; }
.section-heading h2 { margin: 27px 0 24px; }
.section-heading__lead { max-width: 610px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 90px; border-top: 1px solid var(--line); }
.principle { min-height: 258px; position: relative; padding: 25px 26px 23px 0; border-right: 1px solid var(--line); transition: transform .3s var(--ease); }
.principle:not(:first-child) { padding-left: 25px; }
.principle:hover { transform: translateY(-6px); }
.principle__number { color: var(--blue); font: 700 10px/1 monospace; letter-spacing: .1em; }
.principle__line { width: 40px; height: 3px; margin: 29px 0 23px; background: var(--lime); }
.principle h3 { color: var(--navy); font-size: 27px; letter-spacing: -.05em; }
.principle p { margin-top: 13px; max-width: 195px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.principle__arrow { position: absolute; right: 19px; bottom: 24px; color: var(--blue); font-size: 22px; transition: transform .25s; }
.principle:hover .principle__arrow { transform: translate(4px, -4px); }
.theme-section { background: var(--navy); color: var(--white); overflow: hidden; }
.theme-section::before { content: ''; position: absolute; width: 480px; height: 480px; right: -130px; bottom: -220px; border-radius: 50%; border: 1px solid rgba(104,213,210,.25); box-shadow: 0 0 0 28px rgba(104,213,210,.03), 0 0 0 57px rgba(104,213,210,.03); }
.theme-section__mesh { position: absolute; inset: 0; opacity: .21; background-image: linear-gradient(rgba(104,213,210,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(104,213,210,.22) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 78%); }
.theme-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 105px; position: relative; z-index: 1; }
.theme-copy h2 { margin: 28px 0 32px; color: var(--white); }
.theme-copy h2 em { color: var(--cyan); }
.theme-copy p { max-width: 500px; color: rgba(255,255,255,.63); font-size: 14px; line-height: 1.78; }
.theme-copy__intro { margin-bottom: 16px; color: var(--white) !important; font: 500 19px/1.55 var(--display) !important; }
.theme-signoff { display: flex; align-items: center; gap: 11px; margin-top: 36px; color: var(--lime); font: 700 10px/1 var(--body); letter-spacing: .16em; text-transform: uppercase; }
.theme-signoff span { width: 31px; height: 2px; background: var(--lime); }
.topic-board { align-self: center; border-top: 1px solid rgba(255,255,255,.3); }
.topic-board__header, .exhibition-list__head { display: flex; justify-content: space-between; padding: 14px 0; color: var(--cyan); font: 700 9px/1 var(--body); letter-spacing: .15em; }
.topic-row { display: grid; grid-template-columns: 45px 1fr 28px; align-items: center; width: 100%; min-height: 59px; padding: 0; border: 0; border-top: 1px solid rgba(255,255,255,.13); background: transparent; color: var(--white); text-align: left; cursor: pointer; transition: padding .25s, background .25s; }
.topic-row:hover, .topic-row:focus-visible { padding-left: 10px; background: rgba(104,213,210,.08); outline: none; }
.topic-row.is-selected { padding-left: 10px; background: rgba(104,213,210,.12); }
.topic-row span { color: var(--cyan); font: 11px monospace; }
.topic-row strong { font: 500 15px/1.2 var(--display); }
.topic-row i { color: var(--lime); font-size: 17px; font-style: normal; }
.topic-board__note { min-height: 27px; padding-top: 15px; color: rgba(255,255,255,.48); font-size: 11px; }
.keynote-section { background: var(--paper); }
.keynote-layout { display: grid; grid-template-columns: 42% 1fr; gap: 100px; align-items: center; }
.keynote-photo { position: relative; min-height: 510px; background: linear-gradient(142deg, var(--navy-2), var(--blue)); overflow: hidden; }
.keynote-photo::before { content: 'S'; position: absolute; left: -15px; top: -60px; color: rgba(104,213,210,.12); font: 700 480px/.9 var(--display); }
.keynote-photo::after { content: ''; position: absolute; inset: 22px; border: 1px solid rgba(104,213,210,.42); clip-path: polygon(0 0, 100% 0, 100% 70%, 62% 100%, 0 100%); }
.portrait-placeholder { position: absolute; left: 26%; top: 20%; z-index: 1; width: 230px; height: 310px; display: grid; place-content: center; background: linear-gradient(145deg, rgba(204,228,233,.95), rgba(92,144,173,.75)); clip-path: polygon(15% 0, 100% 0, 86% 100%, 0 100%); text-align: center; }
.portrait-placeholder::before { content: ''; position: absolute; inset: 20px; border: 1px solid rgba(6,22,47,.5); }
.portrait-placeholder span { color: var(--navy); font: 700 67px/.8 var(--display); letter-spacing: -.1em; }
.portrait-placeholder small { margin-top: 14px; color: var(--navy-2); font: 800 8px/1.4 monospace; letter-spacing: .16em; }
.keynote-photo__label { position: absolute; left: 27px; bottom: 27px; z-index: 2; color: var(--lime); font: 700 9px/1 var(--body); letter-spacing: .15em; }
.keynote-copy h2 { margin: 28px 0 12px; }
.keynote-copy__role { color: var(--blue); font: 700 11px/1.4 var(--body); letter-spacing: .08em; text-transform: uppercase; }
.keynote-copy > p:not(.kicker):not(.keynote-copy__role) { max-width: 500px; margin-top: 24px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.keynote-copy strong { color: var(--navy); }
blockquote { margin-top: 30px; padding-left: 17px; border-left: 3px solid var(--lime); color: var(--navy); font: 500 22px/1.25 var(--display); }
.blockquote-source { display: block; margin: 12px 0 0 20px; color: var(--muted); font: 700 9px/1 var(--body); letter-spacing: .12em; text-transform: uppercase; }
.program-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.program-header h2 { margin-top: 27px; }
.program-header > p { max-width: 325px; margin-bottom: 7px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.program-tabs { display: flex; gap: 2px; margin-top: 72px; border-bottom: 1px solid var(--line); }
.program-tab { min-width: 180px; padding: 15px 22px 17px; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); cursor: pointer; text-align: left; }
.program-tab span, .program-tab strong { display: block; }
.program-tab span { font: 700 9px/1 monospace; letter-spacing: .12em; }
.program-tab strong { margin-top: 6px; font: 600 19px/1 var(--display); }
.program-tab.is-active { color: var(--navy); border-bottom-color: var(--lime); background: rgba(255,255,255,.35); }
.program-panel { display: grid; grid-template-columns: 30% 1fr; border-bottom: 1px solid var(--line); }
.program-panel[hidden] { display: none; }
.program-panel__side { padding: 50px 35px 50px 0; border-right: 1px solid var(--line); }
.program-panel__side span { color: var(--blue); font: 700 10px/1 monospace; letter-spacing: .12em; }
.program-panel__side strong { display: block; margin-top: 30px; color: var(--navy); font: 600 30px/.98 var(--display); letter-spacing: -.06em; }
.program-list { padding: 26px 0 15px 43px; }
.program-list > div { display: grid; grid-template-columns: 65px 1fr auto; gap: 18px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.program-list > div:last-child { border: 0; }
.program-list time { color: var(--blue); font: 700 11px monospace; }
.program-list p strong, .program-list p span { display: block; }
.program-list p strong { color: var(--navy); font: 600 15px/1.25 var(--display); }
.program-list p span { margin-top: 6px; color: var(--muted); font-size: 11px; }
.program-list em { color: var(--muted); font-size: 9px; font-style: normal; letter-spacing: .08em; text-transform: uppercase; }
.exhibition-layout { display: grid; grid-template-columns: 43% 1fr; gap: 115px; align-items: start; }
.exhibition-copy h2 { margin: 28px 0 27px; }
.exhibition-copy > p:not(.kicker) { max-width: 410px; margin-bottom: 33px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.exhibition-list { border-top: 1px solid var(--line); }
.exhibition-list__head { color: var(--blue); border-bottom: 1px solid var(--line); }
.exhibition-list ul { list-style: none; }
.exhibition-list li { display: flex; gap: 16px; align-items: center; min-height: 44px; border-bottom: 1px solid var(--line); color: var(--navy); font: 500 13px var(--display); }
.exhibition-list li span { width: 29px; color: var(--blue); font: 10px monospace; }
.partners-section { padding-bottom: 88px; }
.section-heading--center { margin: 0 auto; text-align: center; }
.section-heading--center .kicker { justify-content: center; }
.section-heading--center h2 { margin-bottom: 20px; }
.section-heading--center .section-heading__lead { margin: auto; }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 60px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.partner-mark { min-height: 125px; padding: 25px 19px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s, transform .25s var(--ease); }
.partner-mark:hover { background: var(--paper); transform: translateY(-3px); }
.partner-mark strong { display: block; color: var(--blue); font: 700 22px/1 var(--display); letter-spacing: -.05em; }
.partner-mark span { display: block; margin-top: 10px; color: var(--muted); font-size: 9px; line-height: 1.4; text-transform: uppercase; letter-spacing: .05em; }
.sponsor-callout { display: flex; justify-content: space-between; align-items: center; gap: 25px; margin-top: 47px; padding: 33px 38px; background: var(--navy); }
.sponsor-callout h3 { margin-top: 14px; color: var(--white); font-size: 26px; letter-spacing: -.05em; }
.sponsor-callout p { margin-top: 4px; color: rgba(255,255,255,.58); font-size: 12px; }
.register-section { padding: 105px 0; position: relative; overflow: hidden; background: var(--blue); color: var(--white); }
.register-section__beam { position: absolute; width: 770px; height: 770px; top: -390px; right: -150px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; box-shadow: 0 0 0 34px rgba(255,255,255,.03), 0 0 0 70px rgba(255,255,255,.03); }
.register-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; }
.register-layout h2 { margin-top: 27px; color: var(--white); }
.register-layout h2 em { color: var(--lime); }
.register-layout > div:last-child { padding-bottom: 5px; }
.register-layout > div:last-child p { max-width: 425px; margin-bottom: 28px; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.75; }
.site-footer { background: var(--navy); color: var(--white); }
.footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; min-height: 145px; border-bottom: 1px solid rgba(255,255,255,.13); }
.brand--footer { color: var(--white); }
.brand--footer .brand__text em { color: var(--cyan); }
.brand--footer .brand__text small, .brand--footer .brand__text strong { color: rgba(255,255,255,.82); }
.brand--footer .brand__text em { color: var(--lime); }
.footer-event, .footer-contact { display: flex; flex-direction: column; gap: 5px; font-size: 11px; }
.footer-event strong { color: var(--white); font: 600 16px var(--display); }
.footer-event span, .footer-contact a { color: rgba(255,255,255,.5); }
.footer-contact { justify-self: end; text-align: right; }
.footer-contact a:hover { color: var(--lime); }
.footer-bottom { min-height: 71px; display: flex; align-items: center; gap: 20px; color: rgba(255,255,255,.36); font-size: 9px; letter-spacing: .04em; }
.footer-socials { display: flex; gap: 7px; margin-left: auto; }
.footer-socials a { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid rgba(255,255,255,.24); color: rgba(255,255,255,.7); font: 700 9px var(--body); }
.footer-socials a:hover { border-color: var(--lime); color: var(--lime); }
.toast { position: fixed; z-index: 60; right: 24px; bottom: 25px; max-width: 320px; padding: 13px 18px; color: var(--navy); background: var(--lime); font-size: 11px; font-weight: 800; transform: translateY(20px); opacity: 0; pointer-events: none; transition: transform .25s var(--ease), opacity .25s; }
.toast.is-visible { transform: translateY(0); opacity: 1; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal--delay { transition-delay: .13s; }
.reveal--delay-2 { transition-delay: .22s; }
.reveal--delay-3 { transition-delay: .31s; }
@media (max-width: 980px) {
  .shell { width: min(100% - 44px, 760px); }
  .desktop-nav { gap: 13px; }
  .hero__inner { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(62px, 10vw, 90px); }
  .hero__visual { margin-right: -50px; }
  .hero__rail { left: 22px; right: 22px; width: auto; }
  .theme-layout, .keynote-layout, .exhibition-layout { gap: 50px; }
  .theme-layout { grid-template-columns: 1fr 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .principle:nth-child(2) { border-right: 0; }
  .principle:nth-child(n+3) { border-top: 1px solid var(--line); }
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
  .partner-mark { min-height: 140px; }
}
@media (max-width: 760px) {
  .shell { width: calc(100% - 40px); }
  .announcement__inner { gap: 8px; font-size: 8px; }
  .announcement__inner > span:nth-of-type(2), .announcement__rule { display: none; }
  .announcement a { font-size: 8px; }
  .nav-wrap { height: 67px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu { display: none; overflow: hidden; padding: 0 20px; background: var(--paper); }
  .mobile-menu.is-open { display: block; padding: 9px 20px 22px; border-bottom: 1px solid var(--line); animation: menuIn .25s var(--ease) both; }
  @keyframes menuIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
  .mobile-menu a { display: block; min-height: 0; padding: 12px 0; color: var(--navy); border-bottom: 1px solid var(--line); font: 700 12px var(--display); }
  .mobile-menu__cta { margin-top: 12px; padding: 14px 15px !important; background: var(--navy); color: var(--white) !important; border: 0 !important; }
  .hero { min-height: 880px; }
  .hero__inner { display: block; min-height: 0; }
  .hero__copy { position: relative; z-index: 3; padding-top: 56px; }
  .hero__title-lockup { margin-top: 29px; }
  .hero__visual { min-height: 400px; margin: -4px -35px 0; }
  .visual-meta { top: 14px; left: 48px; right: 48px; font-size: 7px; }
  .countdown-panel { left: 48px; bottom: 25px; width: 198px; }
  .visual-caption { right: 17px; bottom: 25px; }
  .hero__rail { left: 20px; right: 20px; grid-template-columns: 1fr 1fr; gap: 0; min-height: 124px; }
  .hero__rail > div { padding: 10px 12px 10px 0; }
  .hero__rail > div:nth-child(2) { border-right: 0; }
  .hero__rail > div:nth-child(3) { border-top: 1px solid var(--line); }
  .hero__scroll { display: none; }
  .proof-band__grid { grid-template-columns: 1fr 1fr; }
  .proof-band__intro { grid-column: span 2; padding: 30px 0; }
  .fact { min-height: 110px; padding: 15px 10px 15px 0; }
  .fact + .fact { padding-left: 14px; }
  .fact strong { font-size: 33px; }
  .fact span { font-size: 8px; }
  .section { padding: 82px 0; }
  .section-heading h2, .theme-copy h2, .keynote-copy h2, .program-header h2, .exhibition-copy h2, .register-layout h2 { font-size: 47px; }
  .section-heading__lead { font-size: 14px; }
  .principles { margin-top: 58px; }
  .principle { min-height: 245px; padding-right: 14px; }
  .principle:not(:first-child) { padding-left: 14px; }
  .principle h3 { font-size: 23px; }
  .principle p { font-size: 11px; }
  .theme-layout, .keynote-layout, .exhibition-layout, .register-layout { grid-template-columns: 1fr; gap: 54px; }
  .theme-layout { gap: 58px; }
  .topic-row strong { font-size: 14px; }
  .keynote-photo { min-height: 410px; }
  .portrait-placeholder { left: 23%; top: 14%; width: 210px; height: 290px; }
  .program-header { display: block; }
  .program-header > p { margin-top: 23px; }
  .program-tabs { margin-top: 42px; }
  .program-tab { min-width: 0; width: 50%; padding-left: 12px; padding-right: 8px; }
  .program-panel { grid-template-columns: 1fr; }
  .program-panel__side { padding: 32px 0 25px; border-right: 0; border-bottom: 1px solid var(--line); }
  .program-panel__side strong { margin-top: 17px; font-size: 26px; }
  .program-list { padding: 12px 0; }
  .program-list > div { grid-template-columns: 45px 1fr; gap: 8px; padding: 15px 0; }
  .program-list em { grid-column: 2; }
  .exhibition-layout { gap: 50px; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); margin-top: 42px; }
  .partner-mark { min-height: 120px; }
  .sponsor-callout { display: block; padding: 28px 22px; }
  .sponsor-callout .button { margin-top: 24px; }
  .register-layout { gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 27px; padding: 32px 0; }
  .footer-contact { grid-column: span 2; justify-self: start; text-align: left; }
  .footer-bottom { flex-wrap: wrap; padding: 20px 0; }
  .footer-socials { margin-left: 0; }
}
@media (max-width: 420px) {
  .hero h1 { font-size: 57px; }
  .version-stamp { width: 59px; height: 66px; }
  .version-stamp strong { font-size: 22px; }
  .hero__theme strong { font-size: 16px; }
  .principle__arrow { right: 8px; }
  .section-heading h2, .theme-copy h2, .keynote-copy h2, .program-header h2, .exhibition-copy h2, .register-layout h2 { font-size: 41px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}