:root {
  --navy: #00288f;
  --deep: #071e63;
  --blue: #0064fe;
  --facet: #0256d2;
  --electric: #0a72ed;
  --cyan: #2eaefa;
  --yellow: #ffbf00;
  --canvas: #f7faff;
  --ice: #eaf2fc;
  --line: #d8e2f0;
  --slate: #536783;
  --white: #fff;
  --ink: #071535;
  --max: 1180px;
  --shadow: 0 22px 70px rgba(0, 40, 143, .13);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: "Montserrat", Arial, sans-serif; font-size: 16px; line-height: 1.65; }
body.nav-open { overflow: hidden; }
a { color: inherit; }
button, input { font: inherit; }
img { max-width: 100%; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 110px 0; }
.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: 12px; left: 12px; transform: translateY(-150%); background: var(--yellow); color: var(--deep); padding: 10px 16px; font-weight: 700; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

.announcement { background: var(--deep); color: var(--white); font-size: .78rem; }
.announcement__inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.announcement a { color: var(--yellow); text-decoration: none; font-weight: 700; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(247,250,255,.94); border-bottom: 1px solid transparent; backdrop-filter: blur(14px); }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 8px 28px rgba(0,40,143,.07); }
.header__inner { height: 82px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; color: var(--navy); flex: 0 0 auto; }
.brand__text { display: flex; align-items: baseline; gap: 7px; line-height: 1; }
.brand__text strong { font-size: 1.22rem; font-weight: 800; letter-spacing: -.025em; }
.brand__text span { font-size: .72rem; font-weight: 800; padding-left: 7px; border-left: 2px solid var(--yellow); }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.main-nav a { color: var(--deep); text-decoration: none; font-size: .78rem; font-weight: 700; }
.main-nav a:hover { color: var(--blue); }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 23px; border: 1px solid transparent; text-decoration: none; font-weight: 800; font-size: .82rem; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--small { min-height: 42px; padding-inline: 18px; }
.button--yellow { background: var(--yellow); color: var(--deep); }
.button--yellow:hover { background: #ffd04a; }
.button--ghost { border-color: rgba(255,255,255,.4); color: var(--white); }
.button--ghost:hover { background: var(--white); color: var(--deep); }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; padding: 10px; background: none; border: 0; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--deep); }

.hero { position: relative; min-height: 760px; overflow: hidden; color: var(--white); background: linear-gradient(120deg, #061858 0%, var(--deep) 49%, #073bac 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 7px; background: linear-gradient(90deg, var(--yellow) 0 23%, var(--blue) 23% 75%, var(--cyan) 75%); }
.hero__grid { position: relative; z-index: 2; min-height: 760px; display: grid; grid-template-columns: minmax(0,1.48fr) minmax(310px,.62fr); gap: 80px; align-items: center; padding-block: 85px 105px; }
.eyebrow, .section-kicker { margin: 0 0 19px; color: var(--blue); font-size: .73rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow { color: var(--yellow); }
.hero h1 { max-width: 850px; margin: 0; font-size: clamp(3.2rem, 6.3vw, 6.7rem); line-height: .96; letter-spacing: -.055em; font-weight: 800; }
.hero h1 span { color: var(--yellow); }
.hero__lead { max-width: 700px; margin: 30px 0 0; color: rgba(255,255,255,.82); font-size: 1.08rem; line-height: 1.8; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.event-facts { display: flex; gap: 45px; margin-top: 60px; }
.event-facts > div { display: flex; align-items: flex-start; gap: 14px; }
.event-facts p { margin: 0; color: rgba(255,255,255,.7); font-size: .78rem; line-height: 1.55; }
.event-facts strong { color: var(--white); font-size: .83rem; }
.fact__icon { display: grid; place-items: center; width: 34px; height: 34px; color: var(--yellow); border: 1px solid rgba(255,191,0,.5); font-size: .62rem; font-weight: 800; }
.hero__panel { align-self: end; margin-bottom: 70px; padding: 36px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.panel__label { margin: 0; color: rgba(255,255,255,.65); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.countdown { display: grid; grid-template-columns: repeat(3,1fr); gap: 11px; margin-top: 18px; }
.countdown div { padding: 13px 4px; text-align: center; background: rgba(0,0,0,.14); }
.countdown strong { display: block; color: var(--yellow); font-size: 1.85rem; line-height: 1.1; }
.countdown span { color: rgba(255,255,255,.6); font-size: .62rem; text-transform: uppercase; }
.panel__rule { height: 1px; background: rgba(255,255,255,.18); margin: 28px 0; }
.hero__panel .panel__title { margin: 0 0 9px; color: var(--white); font-size: 1.28rem; line-height: 1.35; font-weight: 700; }
.hero__panel > p:not(.panel__label,.panel__title) { color: rgba(255,255,255,.7); font-size: .85rem; }
.hero__panel a { color: var(--yellow); font-size: .76rem; font-weight: 800; text-decoration: none; }
.hero__geometry { position: absolute; inset: 0; overflow: hidden; opacity: .8; }
.facet { position: absolute; display: block; background: linear-gradient(135deg, rgba(46,174,250,.25), rgba(0,100,254,.02)); clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%); }
.facet--one { width: 620px; height: 620px; right: -220px; top: -130px; }
.facet--two { width: 380px; height: 380px; right: 160px; bottom: -210px; }
.facet--three { width: 210px; height: 210px; left: 43%; top: 80px; background: rgba(255,191,0,.07); }
.orbit { position: absolute; right: -250px; top: -140px; width: 820px; height: 820px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 90px rgba(0,100,254,.03), 0 0 0 180px rgba(0,100,254,.025); }

.pathways { position: relative; z-index: 3; margin-top: -42px; padding-bottom: 80px; }
.pathways .section-kicker { margin-left: 26px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 45px; }
.section-heading h2, .split h2, .commercial__head h2, .contact h2 { max-width: 720px; margin: 0; color: var(--deep); font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.1; letter-spacing: -.04em; }
.section-heading > p { max-width: 430px; margin: 0; color: var(--slate); }
.pathways .section-heading { display: none; }
.pathway-grid { display: grid; grid-template-columns: repeat(4,1fr); background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.pathway-card { min-height: 235px; position: relative; padding: 30px 26px; text-decoration: none; border-right: 1px solid var(--line); transition: background .25s ease, color .25s ease; }
.pathway-card:last-child { border-right: 0; }
.pathway-card > span { color: var(--blue); font-size: .65rem; font-weight: 800; }
.pathway-card h3 { margin: 34px 0 8px; color: var(--deep); font-size: 1.18rem; }
.pathway-card p { margin: 0; color: var(--slate); font-size: .82rem; line-height: 1.6; }
.pathway-card b { position: absolute; right: 26px; bottom: 21px; color: var(--blue); }
.pathway-card:hover { background: var(--deep); }
.pathway-card:hover h3, .pathway-card:hover p { color: var(--white); }
.pathway-card:hover > span, .pathway-card:hover b { color: var(--yellow); }

.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.split__body p { color: var(--slate); }
.split__body .large-copy { margin-top: 0; color: var(--deep); font-size: 1.35rem; line-height: 1.65; font-weight: 600; }
.check-list { list-style: none; margin: 34px 0 0; padding: 0; }
.check-list li { position: relative; padding: 18px 0 18px 42px; border-top: 1px solid var(--line); font-weight: 600; color: var(--deep); }
.check-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 800; }

.themes { background: var(--deep); color: var(--white); }
.section-kicker--light { color: var(--yellow); }
.section-heading--light h2, .commercial__head h2, .contact h2 { color: var(--white); }
.section-heading--light > p { color: rgba(255,255,255,.65); }
.theme-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.theme-card { position: relative; min-height: 335px; padding: 38px 32px; overflow: hidden; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); }
.theme-card::before { content: ""; position: absolute; right: -70px; bottom: -70px; width: 170px; height: 170px; transform: rotate(45deg); border: 1px solid rgba(46,174,250,.16); }
.theme-card__number { color: var(--cyan); font-size: .7rem; font-weight: 800; }
.theme-card h3 { margin: 95px 0 13px; font-size: 1.35rem; }
.theme-card p { color: rgba(255,255,255,.65); font-size: .86rem; }
.theme-card__line { width: 48px; height: 4px; margin-top: 30px; background: var(--yellow); }

.programme { background: var(--white); }
.programme-tabs { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); }
.day-tab { padding: 24px; color: var(--slate); background: var(--canvas); border: 0; border-right: 1px solid var(--line); text-align: left; font-weight: 800; cursor: pointer; }
.day-tab:last-child { border-right: 0; }
.day-tab span { display: block; margin-bottom: 3px; font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.day-tab.is-active { color: var(--white); background: var(--navy); }
.day-tab.is-active span { color: var(--yellow); }
.programme-panel { display: grid; grid-template-columns: 180px 1fr; gap: 50px; align-items: center; min-height: 320px; padding: 55px; background: var(--canvas); border: solid var(--line); border-width: 0 1px 1px; }
.programme-panel[hidden] { display: none; }
.programme-panel__index { display: grid; place-items: center; width: 145px; height: 145px; color: var(--navy); background: var(--yellow); font-size: 3rem; font-weight: 800; clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%); }
.programme-panel h3 { margin: 0 0 12px; color: var(--deep); font-size: 1.8rem; }
.programme-panel p { max-width: 700px; color: var(--slate); }
.format-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.format-list span { padding: 7px 11px; color: var(--navy); background: var(--ice); font-size: .68rem; font-weight: 800; }
.notice { display: flex; align-items: flex-start; gap: 14px; margin-top: 20px; padding: 20px 24px; background: #fff8df; border-left: 4px solid var(--yellow); }
.notice > span { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--navy); border-radius: 50%; color: var(--navy); font-weight: 800; font-size: .72rem; }
.notice p { margin: 0; color: var(--slate); font-size: .82rem; }

.participate { background: var(--ice); }
.participate__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 80px; align-items: center; }
.participate h2 { margin: 0; color: var(--deep); font-size: clamp(2rem,4vw,3.5rem); line-height: 1.1; letter-spacing: -.04em; }
.participate__content > p:not(.section-kicker) { color: var(--slate); }
.benefits { margin-top: 35px; }
.benefits div { display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: center; padding: 15px 0; border-top: 1px solid rgba(0,40,143,.12); }
.benefits strong { color: var(--blue); font-size: .7rem; }
.benefits span { font-size: .86rem; font-weight: 600; }
.registration-card { padding: 48px; background: var(--white); border-top: 6px solid var(--yellow); box-shadow: var(--shadow); }
.status-pill { display: inline-flex; padding: 7px 11px; color: var(--deep); background: var(--yellow); font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.status-pill--blue { color: var(--white); background: var(--blue); }
.registration-card h3 { margin: 24px 0 10px; color: var(--deep); font-size: 1.75rem; line-height: 1.25; }
.registration-card > p { color: var(--slate); font-size: .9rem; }
.interest-form { margin-top: 25px; }
.interest-form label { display: block; margin-bottom: 8px; color: var(--deep); font-size: .72rem; font-weight: 800; }
.input-row { display: flex; }
.input-row input { min-width: 0; flex: 1; height: 52px; padding: 0 14px; border: 1px solid var(--line); background: var(--canvas); }
.input-row input:disabled, .input-row button:disabled { cursor: not-allowed; opacity: .65; }
.form-note { margin: 10px 0 0; color: var(--slate); font-size: .68rem; }

.commercial { color: var(--white); background: linear-gradient(135deg, #062878, #004bd0); }
.commercial__head { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.commercial__head > p { color: rgba(255,255,255,.7); }
.commercial-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-top: 55px; }
.commercial-card { min-height: 265px; padding: 28px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); }
.commercial-card__icon { display: grid; place-items: center; width: 42px; height: 42px; color: var(--yellow); border: 1px solid rgba(255,191,0,.5); font-size: 1.4rem; }
.commercial-card h3 { margin: 62px 0 9px; font-size: 1rem; }
.commercial-card p { margin: 0; color: rgba(255,255,255,.64); font-size: .78rem; }
.commercial__cta { margin-top: 16px; padding: 30px 34px; display: flex; justify-content: space-between; align-items: center; gap: 30px; color: var(--deep); background: var(--white); }
.commercial__cta span { color: var(--blue); font-size: .67rem; font-weight: 800; text-transform: uppercase; }
.commercial__cta h3 { margin: 5px 0 0; font-size: 1.25rem; }

.innovation { background: var(--canvas); }
.innovation .status-pill { margin-top: 20px; }
.practical { background: var(--white); }
.practical-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; }
.practical-card { min-height: 205px; padding: 28px; background: var(--canvas); border: 1px solid var(--line); }
.practical-card > span { color: var(--blue); font-size: .65rem; font-weight: 800; }
.practical-card h3 { margin: 48px 0 7px; color: var(--deep); font-size: 1rem; }
.practical-card p { margin: 0; color: var(--slate); font-size: .8rem; }

.contact { background: var(--deep); color: var(--white); }
.contact__inner { display: grid; grid-template-columns: 1fr .7fr; gap: 90px; align-items: center; }
.contact__inner > div:first-child p:last-child { max-width: 650px; color: rgba(255,255,255,.65); }
.contact__action { padding: 35px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05); }
.hashtag { color: var(--yellow); font-size: 1.5rem; font-weight: 800; }
.contact__action p { margin-bottom: 0; color: rgba(255,255,255,.65); font-size: .8rem; }

.site-footer { padding: 75px 0 22px; color: rgba(255,255,255,.66); background: #03133e; }
.footer__grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 60px; }
.brand--footer { color: var(--white); }
.footer__grid > div:first-child p { max-width: 270px; }
.footer__grid h2 { margin: 0 0 18px; color: var(--white); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.footer__grid a, .footer__grid span { display: block; margin: 8px 0; color: rgba(255,255,255,.62); text-decoration: none; font-size: .76rem; }
.footer__grid a:hover { color: var(--yellow); }
.footer__bottom { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .68rem; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1000px) {
  .main-nav { gap: 14px; }
  .main-nav a { font-size: .7rem; }
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__panel { align-self: auto; margin: 0; max-width: 560px; }
  .pathway-grid, .practical-grid { grid-template-columns: repeat(2,1fr); }
  .pathway-card:nth-child(2) { border-right: 0; }
  .pathway-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .theme-grid { grid-template-columns: 1fr; }
  .theme-card { min-height: 250px; }
  .theme-card h3 { margin-top: 50px; }
  .commercial-grid { grid-template-columns: repeat(2,1fr); }
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer__grid > div:last-child { grid-column: 2; }
}

@media (max-width: 800px) {
  .section { padding: 80px 0; }
  .header__inner { height: 70px; }
  .nav-toggle { display: block; }
  .header__cta { display: none; }
  .main-nav { position: absolute; top: 70px; left: 0; right: 0; z-index: 120; display: none; min-height: calc(100vh - 70px); flex-direction: column; align-items: flex-start; gap: 0; padding: 30px 20px; background: var(--canvas); box-shadow: 0 22px 45px rgba(0,40,143,.14); }
  .main-nav.is-open { display: flex; }
  .main-nav a { width: 100%; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .hero, .hero__grid { min-height: auto; }
  .hero__grid { padding-block: 80px; }
  .hero h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .event-facts { flex-direction: column; gap: 18px; margin-top: 45px; }
  .pathways { margin-top: 0; padding: 60px 0; }
  .pathways .section-kicker { margin-left: 0; }
  .pathways .section-heading { display: block; }
  .split, .participate__grid, .commercial__head, .contact__inner { grid-template-columns: 1fr; gap: 45px; }
  .programme-panel { grid-template-columns: 1fr; padding: 35px; }
  .programme-panel__index { width: 100px; height: 100px; font-size: 2rem; }
  .footer__grid { grid-template-columns: repeat(2,1fr); }
  .footer__grid > div:last-child { grid-column: auto; }
}

@media (max-width: 560px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .announcement__inner { justify-content: center; text-align: center; padding-block: 7px; }
  .announcement a { display: none; }
  .hero__grid { padding-block: 60px; }
  .hero__panel { padding: 27px; }
  .pathway-grid, .commercial-grid, .practical-grid, .footer__grid { grid-template-columns: 1fr; }
  .pathway-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 18px; }
  .day-tab { padding: 16px 10px; font-size: .72rem; text-align: center; }
  .day-tab span { font-size: .56rem; }
  .registration-card { padding: 31px 24px; }
  .input-row { flex-direction: column; gap: 8px; }
  .commercial__cta { align-items: flex-start; flex-direction: column; }
  .footer__bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
}

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