:root {
  --ink: #061426;
  --ink-2: #092846;
  --paper: #f4f8fb;
  --white: #ffffff;
  --cyan: #19e0f2;
  --cyan-2: #28a9ff;
  --blue: #0a63ff;
  --muted: #5f7082;
  --line: rgba(10, 60, 100, 0.14);
  --shadow: 0 28px 80px rgba(5, 24, 47, 0.14);
  --radius: 26px;
  --shell: min(1180px, calc(100vw - 48px));
  --header-height: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
body.menu-open, body.dialog-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; }
section { position: relative; }
.shell { width: var(--shell); margin-inline: 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;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 800;
}
.skip-link:focus { transform: none; }

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.12);
  transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled {
  background: rgba(4, 18, 35, .88);
  box-shadow: 0 15px 45px rgba(0,0,0,.18);
  backdrop-filter: blur(18px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--white); white-space: nowrap; }
.brand-mark { width: 36px; height: 36px; fill: var(--cyan); filter: drop-shadow(0 0 8px rgba(25,224,242,.4)); }
.brand > span { display: flex; align-items: baseline; letter-spacing: -.04em; }
.brand strong { font-size: 19px; font-weight: 800; }
.brand strong span { color: var(--cyan); }
.brand small { margin-left: 2px; color: #a9bfd4; font-size: 14px; letter-spacing: -.02em; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); }
.site-nav a { position: relative; color: rgba(255,255,255,.76); font-size: 13px; font-weight: 650; transition: color .2s ease; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: -9px; width: 100%; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--white); }
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }
.menu-toggle { display: none; }
.header-cta { flex: 0 0 auto; }

/* Shared components */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 54px;
  padding: 0 25px;
  border: 0;
  border-radius: 999px;
  color: #02111c;
  background: linear-gradient(115deg, #34eff0 0%, #16cde8 45%, #249cff 100%);
  box-shadow: 0 12px 38px rgba(14,196,231,.23), inset 0 1px rgba(255,255,255,.55);
  font-weight: 850;
  letter-spacing: -.02em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 45px rgba(14,196,231,.34), inset 0 1px rgba(255,255,255,.55); filter: saturate(1.1); }
.button:focus-visible, .text-link:focus-visible, .site-nav a:focus-visible, input:focus-visible, .dialog-close:focus-visible { outline: 3px solid #ffd83d; outline-offset: 4px; }
.button-small { min-height: 42px; padding-inline: 20px; font-size: 13px; gap: 11px; }
.button-ghost { color: var(--white); border: 1px solid rgba(80,227,246,.45); background: rgba(8,40,68,.45); box-shadow: none; }
.button-dark { color: var(--white); background: var(--ink); box-shadow: 0 14px 36px rgba(6,20,38,.2); }
.section { padding: 120px 0; }
.section-index { display: block; margin-bottom: 18px; color: #0789a1; font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.section-heading h2, .venue-copy h2, .register-copy h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.section-heading h2 em, .venue-copy h2 em, .register-copy h2 em { color: #048da5; font-style: normal; font-weight: 450; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, .65fr); align-items: end; gap: 70px; margin-bottom: 56px; }
.split-heading p { margin: 0 0 7px; color: var(--muted); font-size: 17px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.visible { opacity: 1; transform: none; }

/* Hero */
.hero {
  min-height: 100svh;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 48%, rgba(11,106,255,.24), transparent 26%),
    radial-gradient(circle at 45% 0%, rgba(23,218,238,.09), transparent 40%),
    linear-gradient(145deg, #061426 0%, #05182d 50%, #020b16 100%);
  isolation: isolate;
}
#hero-canvas { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; opacity: .78; }
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(rgba(53,212,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(53,212,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -10%;
  right: -10%;
  bottom: -135px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(11,152,255,.24), transparent 68%);
  border-top: 1px solid rgba(50,218,255,.3);
  transform: rotate(-3deg);
}
.hero-glow { position: absolute; z-index: -1; width: 400px; height: 400px; border-radius: 50%; filter: blur(110px); pointer-events: none; }
.hero-glow-one { right: 5%; top: 23%; background: rgba(0,126,255,.19); }
.hero-glow-two { left: 20%; bottom: -20%; background: rgba(0,229,239,.1); }
.hero-inner { min-height: calc(100svh - 118px); padding-top: calc(var(--header-height) + 70px); padding-bottom: 120px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 30px; }
.hero-copy { position: relative; z-index: 2; max-width: 680px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; color: #a9c3da; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow span { width: 36px; height: 2px; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.hero h1 { margin: 0; font-size: clamp(52px, 6.15vw, 88px); line-height: .94; letter-spacing: -.068em; text-wrap: balance; }
.hero h1 em { color: var(--cyan); font-style: normal; font-weight: 780; text-shadow: 0 0 34px rgba(16,222,242,.14); }
.hero-lead { max-width: 580px; margin: 27px 0 30px; color: #c7d7e6; font-size: clamp(18px, 1.65vw, 22px); line-height: 1.5; }
.event-facts { display: flex; gap: 28px; margin: 0 0 34px; }
.fact { display: flex; align-items: center; gap: 12px; min-width: 210px; }
.fact + .fact { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.18); }
.fact svg { width: 28px; height: 28px; fill: none; stroke: var(--cyan); stroke-width: 1.6; filter: drop-shadow(0 0 8px rgba(25,224,242,.4)); }
.fact span { display: grid; }
.fact b { color: var(--white); font-size: 14px; }
.fact small { color: #8fa8bd; font-size: 12px; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 11px; color: var(--white); font-size: 14px; font-weight: 750; }
.play { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; color: var(--cyan); transition: border-color .2s ease, transform .2s ease; }
.text-link:hover .play { transform: translateY(3px); border-color: var(--cyan); }
.hero-visual { position: relative; min-height: 560px; perspective: 1000px; }
.visual-label { position: absolute; right: 4%; top: 10%; display: flex; align-items: center; gap: 10px; color: #a4bed1; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; }
.visual-label span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid rgba(26,224,242,.4); border-radius: 50%; color: var(--cyan); letter-spacing: 0; }
.core { position: absolute; z-index: 3; left: 50%; top: 51%; width: 170px; height: 170px; transform-style: preserve-3d; transform: translate(-50%, -50%) rotateX(-15deg) rotateY(28deg); animation: coreFloat 7s ease-in-out infinite; }
.core-face { position: absolute; inset: 0; border: 1px solid rgba(92,236,255,.65); background: linear-gradient(145deg, rgba(26,165,255,.31), rgba(6,27,50,.78)); box-shadow: inset 0 0 45px rgba(25,224,242,.18), 0 0 32px rgba(0,154,255,.24); backdrop-filter: blur(6px); }
.core-front { display: grid; place-content: center; text-align: center; transform: translateZ(85px); }
.core-front b { color: var(--white); font-size: 65px; line-height: .95; text-shadow: 0 0 24px var(--cyan); }
.core-front span { color: var(--cyan); font-size: 11px; letter-spacing: .34em; }
.core-back { transform: rotateY(180deg) translateZ(85px); }
.core-left { transform: rotateY(-90deg) translateZ(85px); }
.core-right { transform: rotateY(90deg) translateZ(85px); }
.core-top { transform: rotateX(90deg) translateZ(85px); }
.core-bottom { transform: rotateX(-90deg) translateZ(85px); }
@keyframes coreFloat { 0%,100% { transform: translate(-50%,-50%) rotateX(-15deg) rotateY(28deg) translateY(-5px); } 50% { transform: translate(-50%,-50%) rotateX(-11deg) rotateY(39deg) translateY(13px); } }
.orbit { position: absolute; left: 50%; top: 51%; border: 1px solid rgba(54,219,255,.35); border-radius: 50%; transform: translate(-50%,-50%) rotateX(68deg) rotateZ(-8deg); box-shadow: 0 0 26px rgba(20,163,255,.1), inset 0 0 22px rgba(20,163,255,.08); }
.orbit::before, .orbit::after { content: ""; position: absolute; inset: 10%; border: 1px dashed rgba(20,203,255,.18); border-radius: inherit; }
.orbit::after { inset: 22%; }
.orbit-one { width: 510px; height: 510px; animation: orbitRotate 18s linear infinite; }
.orbit-two { width: 390px; height: 390px; transform: translate(-50%,-50%) rotateX(72deg) rotateZ(45deg); animation: orbitRotateReverse 13s linear infinite; }
.orbit i { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px 5px rgba(25,224,242,.65); }
.orbit i:nth-child(1) { left: 8%; top: 34%; }
.orbit i:nth-child(2) { right: 12%; top: 22%; }
.orbit i:nth-child(3) { right: 22%; bottom: 10%; }
@keyframes orbitRotate { to { transform: translate(-50%,-50%) rotateX(68deg) rotateZ(352deg); } }
@keyframes orbitRotateReverse { to { transform: translate(-50%,-50%) rotateX(72deg) rotateZ(-315deg); } }
.visual-chip { position: absolute; z-index: 5; display: flex; align-items: center; gap: 9px; padding: 9px 14px; border: 1px solid rgba(83,220,255,.25); border-radius: 999px; color: #b9d1e3; background: rgba(4,25,44,.64); box-shadow: 0 10px 30px rgba(0,0,0,.18); backdrop-filter: blur(12px); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; animation: chipFloat 5s ease-in-out infinite; }
.visual-chip span { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.chip-one { left: 4%; top: 33%; }
.chip-two { right: 2%; top: 37%; animation-delay: -1s; }
.chip-three { left: 11%; bottom: 19%; animation-delay: -2s; }
.chip-four { right: 8%; bottom: 16%; animation-delay: -3s; }
@keyframes chipFloat { 50% { transform: translateY(-10px); } }
.hero-foot { position: absolute; z-index: 3; left: 50%; bottom: 0; transform: translateX(-50%); min-height: 92px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); }
.countdown { display: flex; align-items: baseline; gap: 7px; color: #9db3c6; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.countdown > span { margin-right: 8px; color: var(--cyan); font-weight: 900; }
.countdown strong { margin-left: 8px; color: var(--white); font-size: 22px; letter-spacing: -.03em; }
.countdown small { font-size: 10px; letter-spacing: .08em; }
.hero-foot p { margin: 0; text-align: right; color: #829caf; font-size: 11px; line-height: 1.4; letter-spacing: .08em; text-transform: uppercase; }
.hero-foot b { color: #d8e8f1; }

/* Sponsors */
.sponsor-ribbon { color: var(--white); background: #071a2d; border-top: 1px solid rgba(45,219,245,.22); border-bottom: 1px solid rgba(45,219,245,.2); }
.sponsor-ribbon-inner { min-height: 230px; display: grid; grid-template-columns: 240px minmax(0, 1fr); align-items: center; gap: 30px; }
.sponsor-intro { display: flex; gap: 18px; align-items: flex-start; }
.sponsor-intro .section-index { margin-top: 5px; color: var(--cyan); }
.sponsor-intro p { margin: 0; color: #7f9caf; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.sponsor-intro h2 { margin: 4px 0 0; font-size: 27px; letter-spacing: -.03em; }
.sponsor-groups { min-width: 0; display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid rgba(255,255,255,.11); border-radius: 20px; background: rgba(255,255,255,.025); }
.sponsor-group { min-width: 0; min-height: 116px; padding: 22px 27px; display: flex; align-items: center; justify-content: space-around; gap: 24px; }
.sponsor-group + .sponsor-group { border-left: 1px solid rgba(255,255,255,.11); }
.sponsor-group small { align-self: flex-start; color: #7895aa; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.brand-logo { color: var(--white); font-size: 23px; font-weight: 900; letter-spacing: -.04em; white-space: nowrap; }
.brand-logo sup { font-size: 8px; }
.intel { color: #3d9cff; font-size: 30px; font-weight: 700; letter-spacing: -.08em; }
.nvidia { display: flex; align-items: center; gap: 6px; }
.nvidia i { width: 29px; height: 20px; border: 5px solid #76b900; border-radius: 70% 25%; transform: skew(-10deg); box-shadow: inset 0 0 0 3px #071a2d; }
.technopc { color: #168bd1; font-weight: 750; }
.pny { font-weight: 500; letter-spacing: -.08em; }
.adata { color: #e7f1fa; font-style: italic; }

/* About */
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 46px 90px; align-items: start; }
.about .section-heading { grid-column: 1 / -1; }
.about-copy { padding-top: 8px; }
.about-copy p { color: var(--muted); }
.about-copy .large-copy { margin-top: 0; color: var(--ink); font-size: 25px; font-weight: 750; line-height: 1.35; letter-spacing: -.025em; }
.about-stage { position: relative; min-height: 410px; overflow: hidden; border-radius: var(--radius); background: radial-gradient(circle at 50% 25%, #116cb1 0%, #073c6b 35%, #061c34 70%); box-shadow: var(--shadow); }
.stage-screen { position: absolute; left: 14%; top: 13%; width: 72%; height: 56%; padding: 35px; border: 1px solid rgba(86,223,255,.32); background: linear-gradient(135deg, rgba(15,104,176,.74), rgba(6,29,54,.85)); box-shadow: 0 0 50px rgba(33,169,255,.25); color: var(--white); }
.stage-screen svg { width: 54px; margin-bottom: 15px; fill: none; stroke: var(--cyan); stroke-width: 2; }
.stage-screen span, .stage-screen small { display: block; color: #a9cadf; font-size: 10px; letter-spacing: .18em; }
.stage-screen b { display: block; color: var(--cyan); font-size: 27px; letter-spacing: -.03em; }
.stage-light { position: absolute; top: 12%; width: 170px; height: 270px; background: linear-gradient(to bottom, rgba(50,207,255,.36), transparent 85%); filter: blur(7px); clip-path: polygon(47% 0, 62% 0, 100% 100%, 0 100%); opacity: .55; }
.light-a { left: 0; transform: rotate(15deg); }
.light-b { right: 0; transform: rotate(-15deg); }
.audience { position: absolute; left: -5%; right: -5%; bottom: -35px; height: 140px; background-image: radial-gradient(circle, #020914 0 9px, transparent 10px); background-size: 33px 42px; transform: perspective(330px) rotateX(43deg); opacity: .9; }
.about-audience { display: grid; gap: 0; border-top: 1px solid var(--line); }
.about-audience > p { margin: 20px 0 25px; color: #0789a1; font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.about-audience > div { display: grid; grid-template-columns: 42px 1fr; align-items: center; min-height: 66px; border-top: 1px solid var(--line); }
.about-audience span { color: #70a5b2; font-size: 11px; }
.about-audience b { font-size: 16px; }

/* Focus */
.focus { background: #eaf3f8; overflow: hidden; }
.focus::before { content: ""; position: absolute; right: -200px; top: 80px; width: 500px; height: 500px; border: 1px solid rgba(11,154,205,.09); border-radius: 50%; box-shadow: 0 0 0 60px rgba(11,154,205,.035), 0 0 0 120px rgba(11,154,205,.02); }
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.focus-card { position: relative; min-height: 310px; padding: 32px; overflow: hidden; border: 1px solid rgba(12,79,111,.12); border-radius: 22px; background: rgba(255,255,255,.72); box-shadow: 0 13px 35px rgba(4,37,61,.06); }
.focus-card-featured { grid-row: span 2; min-height: 640px; color: var(--white); background: linear-gradient(150deg, #05223b 0%, #073f6e 70%, #065e82 100%); }
.focus-card svg { width: 48px; height: 48px; margin-top: 52px; fill: none; stroke: #078db0; stroke-width: 1.8; }
.focus-card-featured svg { width: 70px; height: 70px; stroke: var(--cyan); filter: drop-shadow(0 0 13px rgba(25,224,242,.35)); }
.card-number { position: absolute; right: 25px; top: 24px; color: #89a9b6; font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.focus-card-featured .card-number { color: #5fa8bc; }
.focus-card h3 { margin: 24px 0 11px; font-size: 22px; line-height: 1.18; letter-spacing: -.03em; }
.focus-card-featured h3 { margin-top: 140px; max-width: 370px; font-size: 35px; }
.focus-card p { margin: 0; color: var(--muted); line-height: 1.55; }
.focus-card-featured p { max-width: 350px; color: #b2c8d8; }
.card-wave { position: absolute; left: -20%; right: -20%; bottom: -60px; height: 210px; border-top: 1px solid rgba(58,228,255,.65); border-radius: 50%; transform: rotate(-8deg); box-shadow: 0 -16px 50px rgba(0,182,255,.16), 0 -45px 0 -43px rgba(45,226,255,.35); }

/* Program */
.program { overflow: hidden; color: var(--white); background: #06182b; }
.program-backdrop { position: absolute; inset: 0; opacity: .6; background: radial-gradient(circle at 15% 60%, rgba(0,112,240,.25), transparent 32%), radial-gradient(circle at 86% 30%, rgba(0,213,237,.1), transparent 25%); }
.program-backdrop::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(120deg, transparent 0 42%, rgba(33,223,255,.06) 42.2%, transparent 42.5%), linear-gradient(rgba(60,219,255,.025) 1px, transparent 1px); background-size: auto, 100% 55px; }
.program-grid { position: relative; display: grid; grid-template-columns: .83fr 1.17fr; gap: 80px; align-items: center; }
.program .section-index { color: var(--cyan); }
.program .section-heading h2 { font-size: clamp(42px, 5.2vw, 70px); }
.program .section-heading h2 em { color: var(--cyan); }
.program .section-heading p { color: #a7bece; font-size: 17px; }
.program-panel { padding: 40px; border: 1px solid rgba(75,218,249,.22); border-radius: var(--radius); background: rgba(7,34,59,.69); box-shadow: 0 30px 80px rgba(0,0,0,.18); backdrop-filter: blur(10px); }
.program-status { display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid rgba(40,221,241,.24); border-radius: 999px; color: #83b3c7; font-size: 10px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.program-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; transform: scale(.75); } }
.program-panel h3 { margin: 23px 0 29px; max-width: 600px; font-size: clamp(27px, 3vw, 40px); line-height: 1.15; letter-spacing: -.035em; }
.timeline { margin-bottom: 32px; border-top: 1px solid rgba(255,255,255,.11); }
.timeline > div { display: grid; grid-template-columns: 75px 1fr; align-items: center; min-height: 80px; border-bottom: 1px solid rgba(255,255,255,.11); }
.timeline time { color: var(--cyan); font-size: 15px; font-weight: 900; }
.timeline span { display: grid; padding-left: 25px; border-left: 1px solid rgba(255,255,255,.11); }
.timeline b { font-size: 14px; }
.timeline small { color: #7793a9; font-size: 11px; }
.timeline-pending { background: linear-gradient(90deg, rgba(23,211,238,.06), transparent); }

/* Speakers */
.speakers { background: var(--paper); }
.speaker-stage { min-height: 310px; display: grid; grid-template-columns: .8fr 1.2fr; overflow: hidden; border-radius: var(--radius); color: var(--white); background: linear-gradient(140deg, #04182b, #07355e); box-shadow: var(--shadow); }
.speaker-visual { position: relative; min-height: 310px; overflow: hidden; border-right: 1px solid rgba(255,255,255,.1); }
.mic { position: absolute; z-index: 2; left: 50%; top: 48%; width: 20px; height: 110px; border-radius: 10px; background: linear-gradient(90deg, #99bacc, #f2fbff 48%, #5f849d); transform: translate(-50%,-50%) rotate(-12deg); box-shadow: 0 0 22px rgba(107,220,255,.3); }
.mic::before { content: ""; position: absolute; left: 50%; top: -44px; width: 48px; height: 63px; border-radius: 50%; background: repeating-linear-gradient(90deg, #143a53 0 2px, #aecde0 2px 4px); transform: translateX(-50%); box-shadow: 0 0 20px rgba(25,224,242,.28); }
.mic::after { content: ""; position: absolute; left: 50%; bottom: -70px; width: 100px; height: 74px; border-left: 4px solid #9cb7c8; border-bottom: 4px solid #9cb7c8; transform: translateX(-3px) skewX(-30deg); }
.speaker-ring { position: absolute; left: 50%; top: 48%; border: 1px solid rgba(39,224,245,.33); border-radius: 50%; transform: translate(-50%,-50%); }
.ring-a { width: 280px; height: 280px; box-shadow: 0 0 0 35px rgba(26,194,234,.03), 0 0 0 70px rgba(26,194,234,.02); }
.ring-b { width: 160px; height: 160px; border-style: dashed; animation: spin 14s linear infinite; }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }
.speaker-copy { align-self: center; max-width: 570px; padding: 50px 65px; }
.speaker-copy > span { color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .24em; }
.speaker-copy h3 { margin: 10px 0 15px; font-size: clamp(36px, 4.4vw, 58px); line-height: 1; letter-spacing: -.05em; }
.speaker-copy p { margin: 0; color: #a9c0d0; }
.audience-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.audience-card { min-height: 126px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.audience-card span { color: #08a9c0; font-size: 11px; font-weight: 900; }
.audience-card b { max-width: 190px; font-size: 15px; line-height: 1.3; }

/* Publications */
.publications { background: #eaf3f8; }
.publication-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 18px; }
.publication-card { min-height: 470px; overflow: hidden; border: 1px solid rgba(5,70,102,.12); border-radius: 22px; background: var(--white); box-shadow: 0 13px 38px rgba(4,37,61,.07); }
.publication-art { position: relative; height: 205px; overflow: hidden; background: radial-gradient(circle at 50% 50%, #0b5791, #061a2e 70%); }
.publication-featured .publication-art { height: 270px; }
.publication-art::after { content: ""; position: absolute; left: -20%; right: -20%; bottom: -65px; height: 130px; border-top: 1px solid rgba(38,225,248,.65); border-radius: 50%; transform: rotate(-6deg); box-shadow: 0 -10px 32px rgba(0,192,255,.2); }
.art-chip > span { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 96px; height: 96px; border: 1px solid var(--cyan); color: var(--white); background: rgba(16,138,211,.26); box-shadow: 0 0 42px rgba(13,192,245,.38), inset 0 0 30px rgba(25,224,242,.19); transform: translate(-50%,-50%) rotate(45deg); font-size: 31px; font-weight: 900; text-shadow: 0 0 14px var(--cyan); }
.art-chip > span::first-letter { transform: rotate(-45deg); }
.art-chip i { position: absolute; left: 50%; top: 50%; width: 180px; height: 180px; border: 1px solid rgba(42,220,247,.16); border-radius: 50%; transform: translate(-50%,-50%); }
.art-chip i:nth-child(3) { width: 230px; height: 120px; transform: translate(-50%,-50%) rotate(28deg); }
.art-chip i:nth-child(4) { width: 230px; height: 120px; transform: translate(-50%,-50%) rotate(-28deg); }
.art-server { display: flex; align-items: center; justify-content: center; gap: 7px; }
.art-server i { width: 29px; height: 132px; border: 1px solid rgba(53,219,255,.45); border-radius: 4px; background: repeating-linear-gradient(to bottom, #0b78af 0 10px, #052f4e 10px 14px); box-shadow: 0 0 15px rgba(0,191,255,.12); transform: perspective(300px) rotateY(-18deg); }
.art-network span { position: absolute; width: 18px; height: 18px; border: 3px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 17px var(--cyan); }
.art-network span:nth-child(1) { left: 50%; top: 22%; }
.art-network span:nth-child(2) { left: 28%; top: 62%; }
.art-network span:nth-child(3) { right: 25%; top: 67%; }
.art-network span:nth-child(4) { left: 49%; top: 75%; }
.art-network::before { content: ""; position: absolute; left: 28%; right: 24%; top: 29%; bottom: 18%; background: linear-gradient(28deg, transparent 48%, rgba(31,213,242,.55) 49%, rgba(31,213,242,.55) 51%, transparent 52%), linear-gradient(-28deg, transparent 48%, rgba(31,213,242,.55) 49%, rgba(31,213,242,.55) 51%, transparent 52%); }
.publication-content { padding: 26px; }
.publication-content small { color: #058ea8; font-size: 9px; font-weight: 900; letter-spacing: .17em; }
.publication-content h3 { margin: 10px 0 12px; font-size: 23px; line-height: 1.18; letter-spacing: -.035em; }
.publication-featured .publication-content h3 { font-size: 30px; }
.publication-content p { color: var(--muted); font-size: 14px; }
.publication-content > span { display: inline-block; margin-top: 10px; color: #8697a3; font-size: 10px; }

/* Venue */
.venue { background: var(--paper); }
.venue-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 85px; align-items: center; }
.venue-map { position: relative; min-height: 590px; overflow: hidden; border-radius: var(--radius); color: var(--white); background: #061a2e; box-shadow: var(--shadow); }
.map-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(40,210,245,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(40,210,245,.08) 1px, transparent 1px); background-size: 38px 38px; transform: perspective(500px) rotateX(52deg) scale(1.55); transform-origin: bottom; }
.venue-map svg { position: absolute; inset: 10% 4%; width: 92%; height: 70%; fill: none; stroke: rgba(31,205,237,.35); stroke-width: 3; filter: drop-shadow(0 0 8px rgba(31,205,237,.2)); }
.venue-map circle { fill: var(--cyan); stroke: var(--cyan); }
.venue-map .pulse-circle { fill: none; opacity: .4; animation: mapPulse 2s ease-out infinite; transform-origin: 233px 153px; }
@keyframes mapPulse { to { transform: scale(2); opacity: 0; } }
.map-pin { position: absolute; left: 53%; top: 43%; display: grid; min-width: 190px; padding: 14px 16px 14px 45px; border: 1px solid rgba(58,224,248,.35); border-radius: 13px; background: rgba(4,26,46,.84); box-shadow: 0 15px 35px rgba(0,0,0,.2); backdrop-filter: blur(8px); }
.map-pin > span { position: absolute; left: 17px; top: 18px; width: 16px; height: 16px; border-radius: 50% 50% 50% 0; background: var(--cyan); transform: rotate(-45deg); box-shadow: 0 0 15px var(--cyan); }
.map-pin b { font-size: 13px; }
.map-pin small { color: #7b9cb3; font-size: 9px; letter-spacing: .1em; }
.venue-copy p { margin: 25px 0 35px; color: var(--muted); font-size: 17px; }
.venue-fact { display: grid; grid-template-columns: 45px 1fr; align-items: center; min-height: 76px; border-top: 1px solid var(--line); }
.venue-fact:nth-of-type(2) { border-bottom: 1px solid var(--line); }
.venue-fact > span { color: #0798ad; font-size: 11px; font-weight: 900; }
.venue-fact div { display: grid; }
.venue-fact small { color: #8a9ba8; font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.venue-fact b { font-size: 15px; }
.venue-copy .button { margin-top: 34px; }

/* Register */
.register { overflow: hidden; color: var(--white); background: linear-gradient(145deg, #061426, #082946); }
.register::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 10% 10%, rgba(21,215,238,.1), transparent 35%), linear-gradient(rgba(39,206,241,.03) 1px, transparent 1px); background-size: auto, 100% 55px; }
.register-orb { position: absolute; left: -200px; bottom: -310px; width: 750px; height: 750px; border: 1px solid rgba(31,216,241,.22); border-radius: 50%; box-shadow: 0 0 0 70px rgba(31,216,241,.025), 0 0 0 140px rgba(31,216,241,.018); }
.register-grid { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: start; }
.register .section-index { color: var(--cyan); }
.register-copy { position: sticky; top: 130px; }
.register-copy h2 { font-size: clamp(42px, 5vw, 68px); }
.register-copy h2 em { color: var(--cyan); }
.register-copy > p { color: #a8bfce; font-size: 17px; }
.register-note { margin-top: 34px; padding-top: 25px; display: flex; gap: 14px; border-top: 1px solid rgba(255,255,255,.13); }
.register-note > span { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 50%; color: #041725; background: var(--cyan); font-weight: 900; }
.register-note p { display: grid; margin: 0; }
.register-note small { margin-top: 5px; color: #7896aa; line-height: 1.45; }
.register-form { padding: 38px; border: 1px solid rgba(69,220,247,.2); border-radius: var(--radius); background: rgba(255,255,255,.055); box-shadow: 0 28px 70px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.form-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; }
.form-head span { font-size: 24px; font-weight: 850; letter-spacing: -.03em; }
.form-head small { color: #7795a9; font-size: 10px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.field-grid label { display: grid; gap: 8px; }
.field-grid label > span { color: #a9c0cf; font-size: 11px; font-weight: 750; }
.field-wide { grid-column: 1 / -1; }
.field-grid input { width: 100%; height: 54px; padding: 0 16px; border: 1px solid rgba(123,192,220,.22); border-radius: 11px; outline: none; color: var(--white); background: rgba(3,19,34,.52); transition: border .2s ease, background .2s ease, box-shadow .2s ease; }
.field-grid input::placeholder { color: #6c8699; }
.field-grid input:focus { border-color: var(--cyan); background: rgba(4,27,47,.8); box-shadow: 0 0 0 4px rgba(25,224,242,.09); }
.field-grid input.invalid { border-color: #ff718a; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.check-field { display: flex; gap: 12px; margin: 22px 0; color: #8faabc; font-size: 11px; line-height: 1.5; cursor: pointer; }
.check-field input { flex: 0 0 auto; width: 17px; height: 17px; margin-top: 2px; accent-color: var(--cyan); }
.check-field a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.form-submit { width: 100%; }
.form-submit:disabled { cursor: wait; opacity: .72; transform: none; filter: grayscale(.12); }
.form-message { min-height: 24px; margin: 13px 0 0; text-align: center; color: var(--cyan); font-size: 12px; font-weight: 750; }
.form-message.success { color: #63efc1; }
.form-message.error { color: #ff93a5; }

/* Footer */
.site-footer { color: var(--white); background: #020b14; }
.footer-top { min-height: 315px; padding: 70px 0; display: grid; grid-template-columns: 1.3fr .7fr .8fr .8fr; gap: 45px; }
.brand-footer .brand-mark { width: 43px; height: 43px; }
.brand-footer strong { font-size: 23px; }
.footer-top > div:first-child > p { margin-top: 25px; color: #718a9d; font-size: 13px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-links small { margin-bottom: 10px; color: #567184; font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.footer-links a { color: #9db3c2; font-size: 13px; }
.footer-links a:hover { color: var(--cyan); }
.footer-cta p { margin-top: 0; font-size: 19px; font-weight: 800; }
.footer-bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 25px; border-top: 1px solid rgba(255,255,255,.09); color: #547083; font-size: 10px; }
.footer-bottom div { display: flex; gap: 25px; }
.footer-bottom a:hover { color: var(--cyan); }
.draft-mark { color: var(--cyan); font-weight: 900; letter-spacing: .13em; }

/* Dialogs */
dialog { border: 0; padding: 0; color: inherit; }
dialog::backdrop { background: rgba(1,8,15,.78); backdrop-filter: blur(8px); }
.countdown-dialog { width: min(850px, calc(100vw - 36px)); overflow: hidden; border: 1px solid rgba(51,218,246,.34); border-radius: 28px; color: var(--white); background: #061b30; box-shadow: 0 35px 100px rgba(0,0,0,.55); }
.countdown-dialog[open] { display: grid; grid-template-columns: .85fr 1.15fr; animation: dialogIn .35s ease both; }
@keyframes dialogIn { from { opacity: 0; transform: translateY(20px) scale(.97); } }
.dialog-close { position: absolute; z-index: 3; right: 17px; top: 17px; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; color: var(--white); background: rgba(0,0,0,.24); font-size: 22px; cursor: pointer; }
.dialog-visual { position: relative; min-height: 370px; overflow: hidden; background: radial-gradient(circle at center, #0b639b, #051629 68%); }
.dialog-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(48,216,247,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(48,216,247,.06) 1px, transparent 1px); background-size: 30px 30px; transform: perspective(300px) rotateX(52deg) scale(1.6); transform-origin: bottom; }
.mini-core { position: absolute; z-index: 2; left: 50%; top: 50%; display: grid; place-items: center; width: 105px; height: 105px; border: 1px solid var(--cyan); color: var(--white); background: rgba(12,99,160,.4); box-shadow: 0 0 50px rgba(25,224,242,.55), inset 0 0 30px rgba(25,224,242,.24); transform: translate(-50%,-50%) rotate(45deg); font-size: 35px; font-weight: 900; text-shadow: 0 0 14px var(--cyan); }
.dialog-visual i { position: absolute; left: 50%; top: 50%; width: 250px; height: 110px; border: 1px solid rgba(43,221,247,.5); border-radius: 50%; transform: translate(-50%,-50%) rotate(25deg); }
.dialog-visual i:last-child { transform: translate(-50%,-50%) rotate(-35deg); }
.dialog-content { align-self: center; padding: 55px 48px; }
.dialog-content > span { color: var(--cyan); font-size: 10px; font-weight: 900; letter-spacing: .2em; }
.dialog-content h2 { margin: 12px 0 16px; font-size: clamp(34px, 4vw, 50px); line-height: 1.02; letter-spacing: -.05em; }
.dialog-content h2 em { display: block; color: var(--cyan); font-style: normal; }
.dialog-content p { margin-bottom: 28px; color: #a1bbcc; }
.legal-dialog { width: min(780px, calc(100vw - 36px)); max-height: min(88vh, 860px); padding: 0; overflow: hidden; border-radius: 24px; color: var(--ink); background: var(--white); box-shadow: 0 35px 100px rgba(0,0,0,.5); }
.legal-dialog .dialog-close { color: var(--ink); border-color: var(--line); background: #edf5f8; }
.legal-dialog-scroll { max-height: min(88vh, 860px); padding: 50px; overflow-y: auto; overscroll-behavior: contain; }
.legal-dialog h2 { margin: 0 52px 20px 0; font-size: clamp(32px, 4vw, 44px); line-height: 1.08; letter-spacing: -.045em; }
.legal-dialog h3 { margin: 27px 0 8px; color: var(--ink); font-size: 16px; letter-spacing: -.015em; }
.legal-dialog p { margin: 0 0 15px; color: var(--muted); font-size: 14px; line-height: 1.68; }
.legal-dialog p a { color: #067f99; font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.legal-panel[hidden] { display: none; }
.legal-draft-note { padding: 16px 18px; border-left: 3px solid #08a9c0; border-radius: 0 12px 12px 0; background: #edf7fa; color: #40576a !important; }
.legal-source-links { padding-top: 18px; border-top: 1px solid var(--line); }
.legal-dialog .button { margin-top: 20px; }

/* Reference-led visual refresh */
:root { --header-height: 88px; }
.site-header { background: rgba(2, 18, 36, .92); backdrop-filter: blur(18px); }
.header-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px; }
.brand-cluster { display: inline-flex; align-items: center; min-width: 0; }
.brand-platform { margin-left: 22px; padding-left: 22px; border-left: 1px solid rgba(25,224,242,.28); color: #d3e1ec; font-size: 10px; font-weight: 650; line-height: 1.25; white-space: nowrap; }
.brand strong { letter-spacing: -.045em; }
.brand strong span { color: var(--white); }
.brand small { color: var(--cyan); }
.site-nav { gap: clamp(12px, 1.45vw, 23px); }
.site-nav a { font-size: 11px; white-space: nowrap; }
.site-nav a::after { bottom: -15px; }

.hero-inner { min-height: 840px; padding-top: calc(var(--header-height) + 54px); }
.hero h1 { font-size: clamp(50px, 5.45vw, 78px); }
.hero-edition { margin: 15px 0 0; color: var(--cyan); font-size: clamp(25px, 2.7vw, 39px); font-weight: 850; line-height: 1; letter-spacing: -.045em; text-shadow: 0 0 30px rgba(25,224,242,.2); }
.hero-lead { margin-top: 18px; padding-left: 16px; border-left: 4px solid var(--cyan); font-size: clamp(16px, 1.35vw, 19px); }
.hero-visual::before,
.hero-visual::after { content: ""; position: absolute; z-index: 0; left: -5%; right: -8%; border-radius: 50%; pointer-events: none; }
.hero-visual::before { bottom: 18%; height: 210px; border-top: 2px solid rgba(33,226,255,.72); box-shadow: 0 -5px 34px rgba(0,177,255,.25), 0 -34px 0 -32px rgba(43,216,255,.32), 0 36px 0 -35px rgba(24,126,255,.4); transform: rotate(-8deg); }
.hero-visual::after { bottom: 5%; height: 280px; border-top: 1px dashed rgba(51,178,255,.55); box-shadow: 0 -60px 0 -59px rgba(29,211,255,.48), 0 -110px 0 -109px rgba(38,118,255,.38); transform: rotate(7deg); }
.hero-anniversary { position: absolute; z-index: 6; right: 7%; top: 20%; display: grid; min-width: 190px; padding: 16px 20px; border: 1px solid rgba(57,224,255,.27); border-radius: 16px; text-align: center; color: #d9e8f3; background: rgba(3,25,47,.56); box-shadow: 0 18px 48px rgba(0,0,0,.18); backdrop-filter: blur(10px); }
.hero-anniversary span { font-size: 12px; line-height: 1.25; }
.hero-anniversary strong { color: var(--cyan); font-size: 24px; line-height: 1.1; }

.sponsor-ribbon { background: linear-gradient(135deg, #03162a, #052947 65%, #063b61); }
.sponsor-ribbon-inner { min-height: 270px; grid-template-columns: 225px minmax(0, 1fr); }
.sponsor-groups { gap: 14px; padding: 18px; border-color: rgba(57,225,255,.24); background: rgba(1,19,36,.52); box-shadow: inset 0 0 70px rgba(14,110,176,.13); }
.sponsor-group { min-height: 154px; padding: 0; display: grid; align-items: center; gap: 12px; }
.sponsor-group-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sponsor-group:not(.sponsor-group-main) { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sponsor-group + .sponsor-group { padding-left: 14px; }
.sponsor-group small { grid-column: 1 / -1; align-self: auto; color: #a8c2d4; text-align: center; }
.sponsor-logo { width: 100%; min-width: 0; overflow: hidden; border: 1px solid rgba(74,152,203,.26); border-radius: 13px; background-color: #fff; background-image: url("assets/reference-sponsors.png"); background-repeat: no-repeat; box-shadow: 0 11px 28px rgba(0,0,0,.18); }
.sponsor-logo-intel { aspect-ratio: 3 / 1; background-size: 296.8% auto; background-position: 22.1% 54.6%; }
.sponsor-logo-nvidia { aspect-ratio: 2.96 / 1; background-size: 301.2% auto; background-position: 78.2% 54.6%; }
.sponsor-logo-adata { aspect-ratio: 2.6 / 1; background-size: 358% auto; background-position: 9.5% 69.2%; }
.sponsor-logo-technopc { aspect-ratio: 2.64 / 1; background-size: 353.1% auto; background-position: 51% 69.2%; }
.sponsor-logo-pny { aspect-ratio: 2.5 / 1; background-size: 372.4% auto; background-position: 90.8% 69.2%; }

.reference-stage { background-color: #061b30; background-image: linear-gradient(90deg, rgba(4,20,38,.05), rgba(4,20,38,.18)), url("assets/reference-program.png"); background-repeat: no-repeat; background-size: auto, 207.7% auto; background-position: center, 6.6% 34.9%; }
.reference-stage .stage-screen,
.reference-stage .stage-light,
.reference-stage .audience { display: none; }

.program { color: var(--ink); background: #f4f9fd; }
.program-backdrop { opacity: .75; background: radial-gradient(circle at 8% 78%, rgba(0,147,255,.12), transparent 32%), radial-gradient(circle at 90% 20%, rgba(0,213,237,.08), transparent 30%); }
.program-backdrop::after { background-image: linear-gradient(120deg, transparent 0 42%, rgba(33,223,255,.08) 42.2%, transparent 42.5%); }
.program-grid { grid-template-columns: .95fr 1.05fr; gap: 46px; align-items: stretch; }
.program .section-index { color: #0789a1; }
.program .section-heading h2 { color: var(--ink); font-size: clamp(40px, 4.35vw, 62px); }
.program .section-heading h2 em { color: #05a1bb; }
.program .section-heading p { color: var(--muted); }
.program-reference-art { min-height: 245px; margin-top: 28px; overflow: hidden; border-radius: 22px; background-color: #061b30; background-image: url("assets/reference-program.png"); background-repeat: no-repeat; background-size: 207.7% auto; background-position: 6.6% 34.9%; box-shadow: var(--shadow); }
.program-panel { color: var(--white); background: linear-gradient(145deg, rgba(3,25,47,.98), rgba(5,58,94,.95)); }

.speaker-reference-art { background-color: #061b30; background-image: url("assets/reference-speakers.png"); background-repeat: no-repeat; background-size: 215.1% auto; background-position: 6.9% 34.7%; }
.speaker-reference-art .mic,
.speaker-reference-art .speaker-ring { display: none; }

.publication-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.publication-card { min-height: 430px; }
.publication-featured { grid-column: 1 / -1; min-height: 365px; display: grid; grid-template-columns: 1.05fr .95fr; color: var(--white); background: linear-gradient(135deg, #03162a, #063a61); }
.publication-featured .publication-content { padding: 45px 48px; align-self: center; }
.publication-featured .publication-content small { display: inline-flex; padding: 7px 12px; border: 1px solid var(--cyan); border-radius: 999px; color: var(--cyan); }
.publication-featured .publication-content h3 { max-width: 570px; color: var(--white); font-size: clamp(30px, 3vw, 43px); }
.publication-featured .publication-content p { max-width: 570px; color: #c5d7e4; font-size: 16px; }
.publication-featured .publication-content > span { color: #8eb4ca; }
.publication-art { background-color: #061b30; background-image: url("assets/reference-publications.png"); background-repeat: no-repeat; }
.publication-art::after { display: none; }
.publication-featured .publication-art { height: 100%; min-height: 365px; }
.art-dgx { background-size: 204.8% auto; background-position: 92.6% 41.6%; }
.art-xeon { background-size: 320% auto; background-position: 4.1% 62.5%; }
.art-datacenter { background-size: 324.1% auto; background-position: 51.4% 62.5%; }
.art-event { background-size: 343.6% auto; background-position: 95.6% 62.5%; }

/* Responsive */
@media (max-width: 1060px) {
  :root { --shell: min(100% - 36px, 940px); }
  .site-nav { gap: 15px; }
  .site-nav a { font-size: 11px; }
  .hero-inner { grid-template-columns: 1fr .78fr; }
  .hero-visual { min-height: 470px; transform: scale(.88); transform-origin: center right; }
  .sponsor-ribbon-inner { grid-template-columns: 230px 1fr; gap: 25px; }
  .sponsor-group { gap: 13px; padding-inline: 16px; }
  .brand-logo { font-size: 18px; }
  .about-grid { gap: 45px; }
  .focus-grid { grid-template-columns: 1.1fr 1fr; }
  .focus-card-featured { grid-row: span 4; }
  .program-grid, .register-grid { gap: 45px; }
  .publication-grid { grid-template-columns: 1fr 1fr; }
  .publication-featured { grid-column: 1 / -1; display: grid; grid-template-columns: .9fr 1.1fr; min-height: 320px; }
  .publication-featured .publication-art { height: 100%; }
  .venue-grid { gap: 45px; }
  .footer-top { grid-template-columns: 1.2fr .8fr .8fr; }
  .footer-cta { display: none; }
}

@media (max-width: 840px) {
  :root { --header-height: 70px; }
  .header-inner { gap: 14px; }
  .header-cta { margin-left: auto; }
  .menu-toggle { order: 4; display: grid; place-content: center; gap: 5px; width: 42px; height: 42px; padding: 0; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; background: rgba(0,0,0,.15); }
  .menu-toggle > span:not(.sr-only) { width: 17px; height: 2px; border-radius: 2px; background: var(--white); transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0; width: 100%; margin-left: 0; padding: 35px max(24px, calc((100vw - 940px) / 2)); display: flex; flex-direction: column; align-items: flex-start; gap: 8px; background: rgba(3,15,28,.98); transform: translateX(100%); transition: transform .3s ease; }
  .site-nav.open { transform: none; }
  .site-nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 19px; }
  .hero { min-height: auto; }
  .hero-inner { min-height: auto; padding-top: 135px; padding-bottom: 180px; grid-template-columns: 1fr; }
  .hero-copy { max-width: 690px; }
  .hero-visual { position: absolute; right: -160px; top: 70px; width: 560px; min-height: 560px; opacity: .28; transform: scale(.9); }
  .hero-visual .visual-chip, .hero-visual .visual-label { display: none; }
  .hero-foot { min-height: 105px; }
  .sponsor-ribbon-inner { padding: 45px 0; grid-template-columns: 1fr; }
  .sponsor-groups { grid-template-columns: 1fr; }
  .sponsor-group + .sponsor-group { border-left: 0; border-top: 1px solid rgba(255,255,255,.11); }
  .section { padding: 90px 0; }
  .split-heading { grid-template-columns: 1fr; gap: 25px; margin-bottom: 40px; }
  .about-grid { grid-template-columns: 1fr; }
  .about .section-heading { grid-column: auto; }
  .about-stage { order: 3; }
  .about-audience { order: 4; }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .focus-card-featured { grid-column: 1 / -1; grid-row: auto; min-height: 500px; }
  .focus-card-featured h3 { margin-top: 80px; }
  .program-grid, .register-grid, .venue-grid { grid-template-columns: 1fr; }
  .program .section-heading p { max-width: 680px; }
  .speaker-stage { grid-template-columns: .7fr 1.3fr; }
  .speaker-copy { padding: 40px; }
  .audience-cards { grid-template-columns: 1fr 1fr; }
  .venue-map { min-height: 440px; }
  .register-copy { position: relative; top: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > div:first-child { grid-column: 1 / -1; }
  .countdown-dialog[open] { grid-template-columns: .7fr 1.3fr; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 28px); }
  .brand-mark { width: 31px; height: 31px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .header-cta { min-height: 38px; padding-inline: 15px; }
  .hero-inner { padding-top: 118px; padding-bottom: 188px; }
  .hero h1 { font-size: clamp(44px, 14vw, 64px); }
  .hero-lead { font-size: 17px; }
  .event-facts { flex-direction: column; gap: 14px; }
  .fact + .fact { padding: 14px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.15); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; }
  .hero-foot { min-height: 118px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 8px; }
  .hero-foot p { display: none; }
  .countdown { width: 100%; flex-wrap: wrap; }
  .countdown > span { flex-basis: 100%; }
  .hero-visual { right: -250px; top: 100px; }
  .sponsor-group { min-height: 140px; flex-wrap: wrap; justify-content: flex-start; }
  .sponsor-group small { flex-basis: 100%; }
  .brand-logo { margin-right: 12px; }
  .section { padding: 75px 0; }
  .section-heading h2, .venue-copy h2, .register-copy h2 { font-size: 43px; }
  .about-grid { gap: 35px; }
  .about-stage { min-height: 330px; }
  .stage-screen { left: 8%; width: 84%; padding: 25px; }
  .focus-grid { grid-template-columns: 1fr; }
  .focus-card { min-height: 270px; }
  .focus-card-featured { min-height: 460px; }
  .program-panel { padding: 25px; }
  .timeline > div { grid-template-columns: 58px 1fr; }
  .timeline span { padding-left: 15px; }
  .speaker-stage { grid-template-columns: 1fr; }
  .speaker-visual { min-height: 235px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .speaker-copy { padding: 33px 28px; }
  .audience-cards { grid-template-columns: 1fr 1fr; }
  .publication-grid { grid-template-columns: 1fr; }
  .publication-featured { grid-column: auto; display: block; min-height: 0; }
  .publication-featured .publication-art { height: 230px; }
  .venue-map { min-height: 380px; }
  .map-pin { left: 31%; top: 45%; }
  .register-form { padding: 25px; }
  .field-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .footer-top { grid-template-columns: 1fr; gap: 35px; }
  .footer-top > div:first-child { grid-column: auto; }
  .footer-bottom { padding: 22px 0; min-height: 0; flex-direction: column; align-items: flex-start; }
  .footer-bottom div { flex-direction: column; gap: 6px; }
  .countdown-dialog[open] { grid-template-columns: 1fr; }
  .dialog-visual { min-height: 210px; }
  .dialog-content { padding: 35px 28px 38px; }
  .legal-dialog-scroll { padding: 45px 27px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1060px) {
  .brand-platform { display: none; }
  .header-inner { grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; }
  .site-nav { gap: 13px; }
  .hero-anniversary { right: 2%; min-width: 165px; }
  .sponsor-ribbon-inner { grid-template-columns: 190px minmax(0, 1fr); }
  .sponsor-groups { grid-template-columns: 1fr; }
  .sponsor-group + .sponsor-group { padding: 14px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.11); }
  .publication-grid { grid-template-columns: 1fr 1fr; }
  .publication-featured { grid-column: 1 / -1; grid-template-columns: .95fr 1.05fr; }
}

@media (max-width: 840px) {
  .header-inner { display: flex; }
  .brand-cluster { margin-right: auto; }
  .site-nav { position: absolute; top: 100%; bottom: auto; height: calc(100dvh - var(--header-height)); overflow-y: auto; gap: 8px; background: #030f1c; z-index: 10; }
  .site-nav a::after { bottom: 0; }
  .hero-inner { min-height: auto; }
  .hero-anniversary { display: none; }
  .hero-visual::before,
  .hero-visual::after { opacity: .5; }
  .sponsor-ribbon-inner { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: 1fr; }
  .program-reference-art { min-height: 300px; }
}

@media (max-width: 620px) {
  .brand-cluster { min-width: 0; }
  .brand > span { overflow: hidden; }
  .hero-edition { font-size: 27px; }
  .sponsor-groups { padding: 13px; }
  .sponsor-group,
  .sponsor-group-main,
  .sponsor-group:not(.sponsor-group-main) { grid-template-columns: 1fr 1fr; gap: 10px; }
  .sponsor-group small { grid-column: 1 / -1; }
  .sponsor-logo { margin: 0; }
  .sponsor-logo-pny { grid-column: 1 / -1; width: 50%; justify-self: center; }
  .program-reference-art { min-height: 190px; border-radius: 17px; }
  .publication-grid { grid-template-columns: 1fr; }
  .publication-featured { grid-column: auto; display: flex; flex-direction: column; min-height: 0; }
  .publication-featured .publication-art { order: -1; min-height: 230px; }
  .publication-featured .publication-content { padding: 30px 26px; }
  .publication-featured .publication-content h3 { font-size: 29px; }
  .publication-art { height: 210px; }
}