:root {
  --navy: #031c2b;
  --navy-2: #062b42;
  --ink: #07141d;
  --cyan: #58d9ef;
  --cyan-soft: #a8edf4;
  --gold: #c49a3a;
  --gold-light: #f3d270;
  --paper: #eff3f1;
  --white: #ffffff;
  --line: rgba(115, 221, 237, .2);
  --font-display: "Rajdhani", "Arial Narrow", sans-serif;
  --font-body: "Space Grotesk", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.5;
}
body.is-loading { overflow: hidden; }
body::selection { background: var(--gold-light); color: var(--ink); }
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .8rem 1rem; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 1rem; }

.page-loader {
  align-items: center;
  background:
    radial-gradient(circle at center, rgba(63, 201, 224, .15), transparent 34%),
    var(--navy);
  display: flex;
  flex-direction: column;
  inset: 0;
  justify-content: center;
  opacity: 1;
  position: fixed;
  transition: opacity .55s ease, visibility .55s ease;
  visibility: visible;
  z-index: 1000;
}
.page-loader.is-hidden { opacity: 0; pointer-events: none; visibility: hidden; }
.loader-orbit { align-items: center; display: flex; height: 170px; justify-content: center; position: relative; width: 170px; }
.loader-orbit::before, .loader-orbit::after { border: 1px solid rgba(88,217,239,.4); border-radius: 50%; content: ""; inset: 0; position: absolute; }
.loader-orbit::after { border-color: rgba(243,210,112,.35); inset: 17px; }
.loader-orbit span { animation: loader-spin 1.45s linear infinite; border: 2px solid transparent; border-radius: 50%; border-top-color: var(--gold-light); inset: -1px; position: absolute; }
.loader-orbit span::after { background: var(--gold-light); border-radius: 50%; box-shadow: 0 0 18px var(--gold-light); content: ""; height: 7px; position: absolute; right: 19px; top: 17px; width: 7px; }
.loader-orbit img { position: relative; width: 115px; z-index: 2; }
.page-loader p { color: rgba(255,255,255,.5); font-size: .66rem; letter-spacing: .13em; margin: 1.5rem 0 0; text-transform: uppercase; }
.page-loader strong { color: var(--cyan-soft); font-weight: 600; }

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(3, 28, 43, .78);
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  padding: 1rem clamp(1.25rem, 4vw, 5rem);
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
}
.site-header.is-scrolled { background: rgba(2, 20, 30, .94); box-shadow: 0 8px 30px rgba(0,0,0,.16); }
.brand img { width: clamp(170px, 18vw, 235px); }
.site-header nav { display: flex; gap: 2.2rem; }
.site-header nav a, .text-link {
  color: rgba(255,255,255,.76);
  font-size: .77rem;
  font-weight: 600;
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-header nav a:hover, .text-link:hover { color: var(--cyan); }
.site-header > .button { justify-self: end; }

.button {
  align-items: center;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border: 1px solid rgba(255,255,255,.22);
  color: #13202a;
  display: inline-flex;
  font-size: .78rem;
  font-weight: 700;
  gap: 1rem;
  justify-content: center;
  letter-spacing: .1em;
  min-height: 3.4rem;
  padding: 0 1.7rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .25s ease, box-shadow .25s ease;
}
.button:hover { box-shadow: 0 15px 38px rgba(196,154,58,.28); transform: translateY(-2px); }
.button-small { min-height: 2.7rem; padding-inline: 1.2rem; font-size: .7rem; }
.button-light { background: var(--white); color: var(--ink); }

.hero {
  align-items: center;
  background:
    radial-gradient(circle at 76% 52%, rgba(52, 204, 230, .16), transparent 23%),
    radial-gradient(circle at 12% 90%, rgba(54, 155, 207, .12), transparent 28%),
    linear-gradient(128deg, #021725 10%, #062a40 61%, #031823 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
  min-height: 100vh;
  overflow: hidden;
  padding: 9rem clamp(1.25rem, 7vw, 8.5rem) 5.5rem;
  position: relative;
}
.hero::before {
  background-image: linear-gradient(rgba(94,219,239,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(94,219,239,.055) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(to right, black, transparent 70%);
  opacity: .65;
  position: absolute;
}
.hero-copy { max-width: 720px; position: relative; z-index: 2; }
.eyebrow {
  color: var(--cyan);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .24em;
  margin: 0 0 1.15rem;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--font-display); text-transform: uppercase; }
h1 {
  font-size: clamp(4.3rem, 8.4vw, 8.3rem);
  letter-spacing: -.045em;
  line-height: .76;
  margin: 0;
  text-shadow: 0 5px 35px rgba(0,0,0,.28);
}
h1 span { color: transparent; display: block; font-size: .48em; letter-spacing: .035em; line-height: 1.2; -webkit-text-stroke: 1px var(--gold-light); }
.hero-lead { color: rgba(255,255,255,.72); font-size: clamp(1rem, 1.5vw, 1.28rem); max-width: 580px; margin: 2.2rem 0; }
.event-facts {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.15fr .7fr 1.4fr;
  margin: 0 0 2rem;
  padding: 1.4rem 0;
}
.event-facts > div { display: flex; flex-direction: column; gap: .1rem; padding: 0 1.4rem; }
.event-facts > div:first-child { padding-left: 0; }
.event-facts > div + div { border-left: 1px solid var(--line); }
.event-facts strong { font-family: var(--font-display); font-size: 1.16rem; letter-spacing: .04em; text-transform: uppercase; }
.event-facts span:not(.fact-label) { color: rgba(255,255,255,.55); font-size: .78rem; }
.fact-label { color: var(--gold-light); font-size: .64rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.hero-actions { align-items: center; display: flex; gap: 1.8rem; }
.availability { align-items: center; color: rgba(255,255,255,.5); display: flex; font-size: .72rem; gap: .5rem; margin: 1.2rem 0 0; }
.availability span { background: #72e4c1; border-radius: 50%; box-shadow: 0 0 0 5px rgba(114,228,193,.1); height: .45rem; width: .45rem; }

.hero-visual { aspect-ratio: 1; margin-left: auto; max-width: 620px; position: relative; width: 100%; z-index: 2; }
.hero-visual::before {
  background: radial-gradient(circle, rgba(93,226,242,.19), transparent 61%);
  content: "";
  filter: blur(4px);
  inset: 5%;
  position: absolute;
}
.orbit { border: 1px solid rgba(104,223,239,.35); border-radius: 50%; inset: 10%; position: absolute; }
.orbit::before, .orbit::after { background: var(--gold-light); border-radius: 50%; box-shadow: 0 0 18px var(--gold-light); content: ""; height: 7px; position: absolute; width: 7px; }
.orbit::before { left: 10%; top: 18%; }
.orbit::after { bottom: 12%; right: 16%; }
.orbit-a { animation: spin 24s linear infinite; }
.orbit-b { animation: spin 31s linear infinite reverse; inset: 21%; border-style: dashed; }
.orbit-c { animation: spin 18s linear infinite; inset: 31%; border-color: rgba(243,210,112,.35); }
.core {
  align-items: center;
  background: radial-gradient(circle at 35% 30%, #0b4b66, #041b29 70%);
  border: 1px solid var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 12px rgba(196,154,58,.05), 0 0 70px rgba(76,213,236,.18), inset 0 0 40px rgba(82,220,241,.12);
  display: flex;
  flex-direction: column;
  inset: 34%;
  justify-content: center;
  position: absolute;
  text-transform: uppercase;
}
.core strong { color: var(--gold-light); font-family: var(--font-display); font-size: clamp(2.7rem, 5vw, 4.6rem); line-height: .9; }
.core span { color: rgba(255,255,255,.68); font-size: .58rem; letter-spacing: .2em; }
.core .core-kicker { color: var(--white); }
.node { align-items: center; background: rgba(4,35,51,.8); border: 1px solid rgba(87,219,239,.35); border-radius: 50%; display: flex; font-family: var(--font-display); font-size: .78rem; height: 3.2rem; justify-content: center; letter-spacing: .1em; position: absolute; transform: translate(-50%, -50%); width: 3.2rem; }
.node-one { left: 10%; top: 50%; }
.node-two { left: 84.6%; top: 30%; }
.node-three { left: 74%; top: 82%; }
.node-four { left: 24%; top: 19.6%; }
.circuit { border-color: rgba(92,219,239,.22); border-style: solid; opacity: .6; position: absolute; }
.circuit-one { border-width: 1px 1px 0 0; height: 170px; right: -1px; top: 17%; width: 170px; }
.circuit-two { border-width: 0 0 1px 1px; bottom: 6%; height: 130px; left: 3%; width: 230px; }
.scroll-cue { align-items: center; bottom: 1.4rem; color: rgba(255,255,255,.42); display: flex; font-size: .58rem; gap: .8rem; left: clamp(1.25rem, 7vw, 8.5rem); letter-spacing: .18em; position: absolute; text-decoration: none; text-transform: uppercase; z-index: 3; }
.scroll-cue span { border: 1px solid rgba(255,255,255,.25); border-radius: 999px; height: 2.1rem; position: relative; width: 1.3rem; }
.scroll-cue span::after { animation: scroll 1.8s ease-in-out infinite; background: var(--cyan); border-radius: 50%; content: ""; height: 3px; left: calc(50% - 1.5px); position: absolute; top: 6px; width: 3px; }

.marquee { background: var(--gold-light); color: var(--ink); overflow: hidden; }
.marquee > div { align-items: center; display: flex; justify-content: space-around; min-width: 900px; padding: .85rem 2rem; }
.marquee span { font-family: var(--font-display); font-size: 1rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.marquee i { background: var(--ink); border-radius: 50%; height: .3rem; width: .3rem; }

.section { padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 7vw, 8.5rem); }
.intro { background: var(--paper); color: var(--ink); display: grid; gap: 4rem 6rem; grid-template-columns: 1fr 1fr; }
.section-heading h2 { font-size: clamp(2.7rem, 5vw, 5rem); letter-spacing: -.03em; line-height: .9; margin: 0; }
.section-heading h2 span { color: #21869d; }
.intro-copy { max-width: 630px; padding-top: 1.2rem; }
.intro-copy p { color: #59676d; }
.intro-copy .large-copy { color: var(--ink); font-family: var(--font-display); font-size: clamp(1.35rem, 2.3vw, 2.1rem); font-weight: 600; line-height: 1.2; }
.benefit-grid { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); }
.benefit-grid article { border-top: 1px solid #b5c5c8; min-height: 230px; padding: 1.5rem 2rem 1.5rem 0; position: relative; }
.benefit-grid article + article { border-left: 1px solid #b5c5c8; padding-left: 2rem; }
.benefit-grid article:nth-child(5) { border-left: 0; }
.benefit-number { color: #21869d; font-family: var(--font-display); font-size: .75rem; font-weight: 700; }
.benefit-grid h3 { font-family: var(--font-display); font-size: 1.55rem; line-height: 1; margin: 3.5rem 0 .8rem; text-transform: uppercase; }
.benefit-grid p { color: #69767a; font-size: .84rem; margin-bottom: 0; }

.brands-section { background: var(--navy); position: relative; }
.brands-section::before { background: radial-gradient(circle at center, rgba(46,171,198,.16), transparent 52%); content: ""; inset: 0; pointer-events: none; position: absolute; }
.brands-heading, .agenda-heading { align-items: end; display: grid; gap: 3rem; grid-template-columns: 1.2fr .8fr; margin-bottom: 4.5rem; position: relative; }
.brands-heading > p, .agenda-heading > p { color: rgba(255,255,255,.58); font-size: .95rem; margin: 0; max-width: 480px; }
.brands-grid { display: grid; grid-template-columns: repeat(6, 1fr); position: relative; }
.brand-card {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.11);
  display: flex;
  flex-direction: column;
  grid-column: span 2;
  min-height: 360px;
  padding: clamp(1.3rem, 2.8vw, 2.4rem);
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.brand-card:hover { background: rgba(255,255,255,.075); border-color: rgba(90,220,239,.4); transform: translateY(-5px); }
.brand-card:nth-child(4) { grid-column: 2 / span 2; }
.brand-card img {
  background: #f4f6f3;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: .35rem;
  box-shadow: 0 10px 28px rgba(0,0,0,.13);
  height: 112px;
  margin-bottom: 2rem;
  object-fit: contain;
  object-position: center;
  padding: 1rem 1.25rem;
  width: 240px;
}
.brand-hms img { height: 112px; object-fit: cover; object-position: center; padding: 0 1.25rem; width: 240px; }
.brand-card p { color: rgba(255,255,255,.63); font-size: .84rem; margin-bottom: 2rem; }
.brand-topic { color: var(--cyan); font-size: .64rem; font-weight: 700; letter-spacing: .15em; margin-top: auto; text-transform: uppercase; }

.agenda-section { background: #082f45; }
.agenda-heading h2 span { color: var(--gold-light); }
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { background: linear-gradient(var(--gold-light), var(--cyan)); bottom: 3.5rem; content: ""; left: 8.45rem; position: absolute; top: 3.5rem; width: 1px; }
.timeline li { align-items: center; border-top: 1px solid rgba(255,255,255,.12); display: grid; gap: 3.4rem; grid-template-columns: 7rem 1fr; min-height: 112px; position: relative; }
.timeline li:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.timeline li::before { background: var(--gold-light); border: 5px solid #082f45; border-radius: 50%; content: ""; height: 15px; left: calc(8.45rem - 7px); position: absolute; width: 15px; }
.timeline li:nth-child(n+6)::before { background: var(--cyan); }
.timeline time { color: var(--white); font-family: var(--font-display); font-size: 2rem; font-weight: 700; text-align: right; }
.timeline time small { color: rgba(255,255,255,.45); font-size: .6rem; text-transform: uppercase; }
.timeline div { padding-left: 1.2rem; }
.timeline div span { color: var(--cyan); font-size: .6rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.timeline h3 { font-family: var(--font-display); font-size: 1.35rem; margin: .2rem 0 0; text-transform: uppercase; }
.networking-note { border-left: 3px solid var(--gold-light); color: rgba(255,255,255,.72); font-size: clamp(1rem, 1.7vw, 1.25rem); margin: 3rem 0 0; max-width: 980px; padding: .4rem 0 .4rem 1.5rem; }

.closing-cta { background: linear-gradient(135deg, #c49a3a, #f0ce69); color: var(--ink); overflow: hidden; padding: clamp(5rem, 9vw, 8rem) 1.25rem; position: relative; text-align: center; }
.closing-cta .eyebrow { color: #173b45; }
.closing-cta h2 { font-size: clamp(3rem, 6vw, 6rem); letter-spacing: -.04em; line-height: .86; margin-bottom: 1.8rem; position: relative; }
.closing-cta p { position: relative; }
.closing-cta > p:not(.eyebrow) { margin: 0 auto 1.4rem; max-width: 820px; }
.closing-cta .closing-details { font-size: .8rem; font-weight: 700; letter-spacing: .08em; margin-bottom: 2.2rem; text-transform: uppercase; }
.closing-cta .button { position: relative; }
.cta-grid { background-image: linear-gradient(rgba(5,31,43,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(5,31,43,.08) 1px, transparent 1px); background-size: 38px 38px; inset: 0; mask-image: radial-gradient(circle, black, transparent 70%); position: absolute; transform: perspective(500px) rotateX(55deg) scale(1.5); }
footer { align-items: center; background: #02141e; color: rgba(255,255,255,.45); display: flex; font-size: .72rem; gap: 2rem; justify-content: space-between; padding: 2.2rem clamp(1.25rem, 7vw, 8.5rem); }
footer img { width: 210px; }
footer p { margin: 0; }
footer a { text-decoration: none; }
.mobile-register { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes loader-spin { to { transform: rotate(360deg); } }
@keyframes scroll { 0%, 100% { opacity: 0; transform: translateY(0); } 35% { opacity: 1; } 70% { opacity: 0; transform: translateY(15px); } }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 9.5rem; }
  .hero-copy { max-width: 760px; }
  .hero-visual { margin: -1rem auto 1rem; max-width: 520px; order: -1; width: 62%; }
  .hero { align-content: center; }
  .hero-copy { text-align: center; }
  .event-facts { text-align: left; }
  .hero-actions, .availability { justify-content: center; }
  .scroll-cue { display: none; }
  .intro { gap: 3rem; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-grid article:nth-child(3) { border-left: 0; }
  .benefit-grid article:nth-child(5), .benefit-grid article:nth-child(7) { border-left: 0; }
  .brand-card { grid-column: span 3; }
  .brand-card:nth-child(4) { grid-column: span 3; }
  .brand-card:nth-child(5) { grid-column: 2 / span 4; }
}

@media (max-width: 680px) {
  body { padding-bottom: 4.2rem; }
  .site-header { padding: .85rem 1rem; }
  .site-header > .button { display: none; }
  .brand img { width: 175px; }
  .hero { min-height: auto; padding: 8rem 1.15rem 4.5rem; }
  .hero-visual { margin-bottom: 1.3rem; width: 90%; }
  h1 { font-size: clamp(3.6rem, 18vw, 5.4rem); }
  .hero-lead { margin: 1.5rem auto; }
  .event-facts { grid-template-columns: 1fr 1fr; }
  .event-facts > div { padding: 0 1rem; }
  .event-facts > div:nth-child(2) { padding-right: 0; }
  .event-facts > div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); grid-column: 1 / -1; margin-top: 1rem; padding: 1rem 0 0; }
  .hero-actions { flex-direction: column; gap: 1.2rem; }
  .hero-actions .button { width: 100%; }
  .availability { font-size: .66rem; }
  .marquee { overflow-x: hidden; }
  .marquee > div { animation: drift 16s linear infinite; justify-content: flex-start; gap: 2rem; width: max-content; }
  .section { padding: 5rem 1.15rem; }
  .intro { display: block; }
  .intro-copy { margin-top: 2.5rem; }
  .benefit-grid { grid-template-columns: 1fr; margin-top: 3.5rem; }
  .benefit-grid article, .benefit-grid article + article { border-left: 0; min-height: 185px; padding: 1.4rem 0; }
  .benefit-grid h3 { margin-top: 2rem; }
  .brands-heading, .agenda-heading { display: block; margin-bottom: 3rem; }
  .brands-heading > p, .agenda-heading > p { margin-top: 2rem; }
  .brands-grid { display: block; }
  .brand-card { min-height: 320px; }
  .brand-card + .brand-card { margin-top: .8rem; }
  .timeline::before { left: 6.45rem; }
  .timeline li { gap: 2rem; grid-template-columns: 5.2rem 1fr; min-height: 118px; }
  .timeline li::before { left: calc(6.45rem - 7px); }
  .timeline time { font-size: 1.55rem; }
  .timeline div { padding-left: .6rem; }
  .timeline h3 { font-size: 1.1rem; }
  .closing-cta h2 br { display: none; }
  footer { flex-direction: column; gap: 1.1rem; text-align: center; }
  .mobile-register { align-items: center; background: linear-gradient(135deg, var(--gold-light), var(--gold)); bottom: 0; color: var(--ink); display: flex; font-size: .76rem; font-weight: 700; height: 4.2rem; justify-content: center; left: 0; letter-spacing: .09em; position: fixed; right: 0; text-decoration: none; text-transform: uppercase; z-index: 60; }
}

@keyframes drift { to { transform: translateX(-40%); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
