:root {
  --ink: #07111f;
  --ink-2: #0a182b;
  --ink-3: #10233d;
  --paper: #f3f0e9;
  --white: #fffdf8;
  --muted: #aeb9c8;
  --gold: #d6a765;
  --gold-light: #f0d39d;
  --blue: #3a78d4;
  --line: rgba(255, 255, 255, .13);
  --radius: 28px;
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); overflow-x: clip; }
body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 3%, rgba(40, 103, 197, .16), transparent 26rem),
    linear-gradient(180deg, #06101d 0%, #091524 55%, #06101d 100%);
  font-family: Inter, Manrope, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  overflow-x: clip;
}

button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
em { color: var(--gold-light); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.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; left: 16px; top: -80px; background: var(--gold); color: var(--ink); padding: 12px 18px; border-radius: 8px; font-weight: 700; }
.skip-link:focus { top: 16px; }

.ambient { position: fixed; pointer-events: none; border-radius: 50%; filter: blur(100px); opacity: .18; z-index: 0; }
.ambient-one { width: 320px; height: 320px; background: var(--blue); right: -100px; top: 20vh; }
.ambient-two { width: 260px; height: 260px; background: var(--gold); left: -180px; top: 65vh; opacity: .08; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; background: rgba(6, 16, 29, .72); backdrop-filter: blur(18px); }
.site-header.scrolled { border-color: var(--line); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; letter-spacing: .03em; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-wordmark strong { display: block; font-size: 17px; line-height: 1; font-weight: 400; letter-spacing: .055em; }
.brand-wordmark strong span { color: var(--gold-light); }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.main-nav > a { color: #ccd4df; transition: color .2s ease; }
.main-nav > a:hover { color: var(--white); }
.nav-cta { border: 1px solid rgba(214, 167, 101, .65); background: rgba(214, 167, 101, .08); padding: 10px 18px; border-radius: 999px; cursor: pointer; transition: .2s ease; }
.nav-cta:hover { background: var(--gold); color: var(--ink); }
.menu-button { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 1px; background: currentColor; margin: 5px; }

.hero { min-height: calc(100svh - 78px); display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 42px; padding-block: 78px 88px; position: relative; z-index: 1; }
.hero > * { min-width: 0; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: var(--gold-light); text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 700; }
.eyebrow span { width: 35px; height: 1px; background: var(--gold); }
.hero h1, .section h2, .modal h2 { margin: 0; font-size: clamp(58px, 7.3vw, 108px); line-height: .89; letter-spacing: -.055em; text-transform: uppercase; }
.hero h1 em { display: inline-block; text-transform: none; font-size: .91em; letter-spacing: -.04em; }
.hero-lead { max-width: 660px; margin: 32px 0; color: #c4cedb; font-size: clamp(18px, 2vw, 23px); line-height: 1.45; }
.hero-meta { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); margin: 32px 0; }
.hero-meta div { padding: 17px 16px 17px 0; }
.hero-meta div + div { border-left: 1px solid var(--line); padding-left: 16px; }
.hero-meta span, .ticket-price > span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.hero-meta strong { display: block; margin-top: 5px; font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid transparent; padding: 13px 22px; border-radius: 999px; font-weight: 750; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--ink); box-shadow: 0 15px 38px rgba(214, 167, 101, .16); }
.button-ghost { background: rgba(255,255,255,.025); border-color: var(--line); }
.button-ghost:hover { border-color: rgba(255,255,255,.4); }
.button-wide { width: 100%; }
.micro-note { color: #7f8b9c; margin: 12px 0 0; font-size: 12px; }
.hero-date-mobile { display: none; }

.hero-art { position: relative; min-height: 620px; display: grid; place-items: center; }
.date-monument { position: absolute; top: 0; right: 5%; z-index: 1; color: rgba(255,255,255,.05); text-align: right; font-weight: 900; line-height: .72; }
.date-monument span:first-child { display: block; font-size: 210px; letter-spacing: -.1em; }
.date-monument span:last-child { display: block; font-size: 82px; letter-spacing: .22em; }
.ticket-card { position: relative; z-index: 2; width: min(520px, 90%); aspect-ratio: .78; border: 1px solid rgba(240, 211, 157, .55); border-radius: 30px; overflow: hidden; background: #06101d; box-shadow: 0 40px 100px rgba(0,0,0,.5); transform: rotate(2deg); }
.ticket-image { position: absolute; z-index: 0; inset: 0; background-image: linear-gradient(180deg, rgba(3,10,19,.15), rgba(3,10,19,.83) 72%), url("assets/event-ticket.jpg"); background-size: auto 100%; background-position: 62% center; filter: saturate(.8) contrast(1.12); }
.ticket-video { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .82; filter: saturate(.82) contrast(1.12) brightness(.74); }
.ticket-card:after { content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(3,10,19,.12), rgba(3,10,19,.66) 72%), linear-gradient(90deg, rgba(5,14,26,.48), transparent 74%); }
.ticket-overlay { position: absolute; z-index: 2; inset: 0; padding: 45px 38px 150px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(90deg, rgba(5,14,26,.85), transparent 72%); }
.ticket-overlay p { color: var(--gold-light); text-transform: uppercase; letter-spacing: .16em; font-size: 10px; }
.ticket-overlay strong { font-size: clamp(34px, 4vw, 54px); letter-spacing: .04em; }
.ticket-overlay span { color: var(--muted); }
.ticket-stub { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; min-height: 120px; padding: 25px 38px; border-top: 1px dashed rgba(240, 211, 157, .6); background: rgba(5,14,26,.92); display: grid; grid-template-columns: 1fr auto; align-items: center; }
.ticket-stub:before, .ticket-stub:after { content: ""; position: absolute; top: -10px; width: 20px; height: 20px; background: var(--ink); border-radius: 50%; }
.ticket-stub:before { left: -10px; }.ticket-stub:after { right: -10px; }
.ticket-stub small { color: var(--gold-light); letter-spacing: .16em; }
.ticket-stub b { font-size: 26px; }
.ticket-stub span { grid-column: 1 / -1; color: var(--muted); font-size: 11px; }
.orbit { position: absolute; border: 1px solid rgba(214,167,101,.16); border-radius: 50%; transform: rotate(-18deg); }
.orbit-a { width: 560px; height: 230px; }.orbit-b { width: 640px; height: 290px; transform: rotate(18deg); }

.signal-bar { position: relative; z-index: 2; border-block: 1px solid var(--line); background: rgba(255,255,255,.025); }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.signal-grid div { padding: 26px 28px; display: flex; align-items: baseline; gap: 12px; }
.signal-grid div + div { border-left: 1px solid var(--line); }
.signal-grid strong { color: var(--gold-light); font-size: 27px; }
.signal-grid span { color: var(--muted); font-size: 12px; }

.section { position: relative; z-index: 1; padding-block: 130px; }
.section-kicker { display: flex; align-items: center; gap: 15px; margin-bottom: 50px; }
.section-kicker span { color: var(--gold); font-family: Georgia, serif; font-style: italic; }
.section-kicker p { margin: 0; color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: .18em; }
.about-grid, .audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.section h2 { font-size: clamp(46px, 5.6vw, 82px); }
.section h2 em { text-transform: none; }
.about-copy { padding-top: 6px; }
.about-copy > p { color: var(--muted); max-width: 610px; }
.lead-copy { color: var(--white) !important; font-size: 24px; }
.principles { margin-top: 45px; border-top: 1px solid var(--line); }
.principles > div { display: grid; grid-template-columns: 44px 140px 1fr; gap: 16px; padding: 23px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.principles span { color: var(--gold); font-size: 12px; }
.principles p { margin: 0; color: var(--muted); font-size: 14px; }

.program-section { background: var(--paper); color: var(--ink); }
.program-section .section-kicker p { color: #677180; }
.section-heading { display: grid; grid-template-columns: 1.45fr .55fr; gap: 70px; align-items: end; margin-bottom: 75px; }
.section-heading p { margin: 0; color: #657081; }
.program-section em { color: #4776a9; }
.agenda { border-top: 1px solid rgba(7,17,31,.22); }
.agenda details { border-bottom: 1px solid rgba(7,17,31,.22); }
.agenda summary { list-style: none; display: grid; grid-template-columns: 180px 1fr 32px; gap: 24px; align-items: center; padding: 28px 0; cursor: pointer; }
.agenda summary::-webkit-details-marker { display: none; }
.agenda summary time { font-size: 14px; color: #5b6675; font-variant-numeric: tabular-nums; }
.agenda summary span { font-size: 22px; font-weight: 750; }
.agenda summary small { display: block; margin-bottom: 5px; color: #94713d; font-size: 10px; text-transform: uppercase; letter-spacing: .16em; }
.agenda summary i, .faq summary i { font-style: normal; font-size: 28px; transition: transform .2s ease; }
.agenda details[open] summary i, .faq details[open] summary i { transform: rotate(45deg); }
.agenda-body { padding: 0 56px 25px 204px; color: #5c6674; }
.agenda-body p { margin: 8px 0; }
.agenda-body b { display: inline-block; min-width: 64px; color: var(--ink); }

.audience-section { padding-bottom: 150px; }
.roles { display: flex; flex-wrap: wrap; gap: 10px; align-content: start; }
.roles span { padding: 16px 20px; border: 1px solid var(--line); border-radius: 999px; color: #c7d0dc; transition: .2s ease; }
.roles span:hover { border-color: var(--gold); color: var(--gold-light); }

.ticket-section { overflow: hidden; background: linear-gradient(130deg, #c39250, #ecd19b 58%, #d1a261); color: var(--ink); }
.ticket-section:before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: repeating-linear-gradient(110deg, transparent 0 30px, rgba(255,255,255,.3) 31px); }
.ticket-grid { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; align-items: center; }
.ticket-price { border-right: 1px solid rgba(7,17,31,.25); }
.ticket-price p { text-transform: uppercase; font-size: 12px; letter-spacing: .15em; }
.ticket-price strong { display: block; font-size: clamp(78px, 10vw, 145px); line-height: .95; letter-spacing: -.07em; }
.ticket-price strong small { font-size: .35em; }
.ticket-price > span { color: #3e4650; margin-top: 20px; }
.ticket-details h2 { font-size: clamp(46px, 5vw, 74px); }
.ticket-details em { color: #4a6283; }
.ticket-details ul { padding: 0; margin: 35px 0; list-style: none; columns: 2; column-gap: 34px; }
.ticket-details li { break-inside: avoid; padding: 10px 0 10px 25px; position: relative; }
.ticket-details li:before { content: "✓"; position: absolute; left: 0; color: #31527d; font-weight: 900; }
.ticket-details .button-primary { background: var(--ink); color: var(--white); box-shadow: none; }
.ticket-details .micro-note { color: #534b40; text-align: center; }

.continuation-section { padding-block: 90px; }
.continuation { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: end; padding: 55px 60px; border: 1px solid rgba(214,167,101,.32); border-radius: var(--radius); background: radial-gradient(circle at 92% 18%, rgba(214,167,101,.12), transparent 20rem), rgba(255,255,255,.025); }
.continuation > * { position: relative; z-index: 1; }
.continuation > div { min-width: 0; }
.continuation h2 { font-size: clamp(40px, 5vw, 68px); }
.continuation h2 span { display: block; }
.continuation p:not(.eyebrow) { max-width: 720px; color: var(--muted); }
.course-brand-watermark { position: absolute; z-index: 0; right: 40px; bottom: -70px; width: 260px; opacity: .055; transform: rotate(-8deg); }
.course-facts { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 28px 0 18px; list-style: none; }
.course-facts li { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: #d4dbe5; font-size: 12px; }
.continuation .course-source { margin-bottom: 0; color: #8290a2; font-size: 12px; }
.course-arrow { grid-row: 1; grid-column: 2; align-self: start; color: var(--gold); font-size: 60px; }
.continuation .button { grid-column: 2; }
.course-register { white-space: nowrap; }
.inline-link { color: var(--gold-light); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.faq-section { background: #081321; }
.faq-grid { display: grid; grid-template-columns: .55fr 1fr; gap: 100px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: grid; grid-template-columns: 1fr 30px; gap: 25px; align-items: center; padding: 24px 0; cursor: pointer; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 0; padding: 0 55px 25px 0; color: var(--muted); }

.countdown-section { padding-block: 65px; border-block: 1px solid var(--line); background: rgba(255,255,255,.018); }
.countdown-wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.countdown-wrap > p { color: var(--gold-light); text-transform: uppercase; letter-spacing: .18em; font-size: 12px; }
.countdown { display: flex; gap: 55px; }
.countdown div { text-align: center; }
.countdown strong { display: block; font-size: 44px; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }

.site-footer { position: relative; z-index: 1; padding-block: 70px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 50px; align-items: center; }
.footer-grid p { margin: 0; }
.footer-grid > div > span { color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 20px; font-size: 13px; }
.copyright { grid-column: 1 / -1; padding-top: 35px; border-top: 1px solid var(--line); color: #718095; font-size: 11px; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; border: 0; background: rgba(1,5,10,.82); backdrop-filter: blur(8px); cursor: default; }
.modal-card { position: relative; width: min(650px, 100%); padding: clamp(35px, 6vw, 70px); border: 1px solid rgba(214,167,101,.4); border-radius: var(--radius); background: radial-gradient(circle at 100% 0, rgba(58,120,212,.22), transparent 20rem), var(--ink-2); box-shadow: 0 40px 120px rgba(0,0,0,.6); }
.modal-card h2 { font-size: clamp(42px, 6vw, 67px); }
.modal-card > p:not(.eyebrow) { color: var(--muted); margin: 25px 0 32px; }
.modal-close { position: absolute; right: 20px; top: 15px; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; font-size: 28px; cursor: pointer; }
body.modal-open { overflow: hidden; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.js .reveal.visible { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--gold-light); outline-offset: 4px; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 36px, 780px); }
  .menu-button { display: block; }
  .main-nav { position: fixed; inset: 78px 0 auto; padding: 28px 18px 34px; background: rgba(6,16,29,.98); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; transform: translateY(-130%); opacity: 0; pointer-events: none; transition: .25s ease; }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a, .nav-cta { padding: 13px 18px; text-align: center; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 70px; }
  .hero-copy { position: relative; z-index: 3; }
  .hero-art { min-height: 580px; }
  .ticket-card { width: min(500px, 86%); }
  .about-grid, .audience-grid, .ticket-grid, .faq-grid { grid-template-columns: 1fr; gap: 55px; }
  .section-heading { grid-template-columns: 1fr; gap: 30px; }
  .ticket-price { border-right: 0; border-bottom: 1px solid rgba(7,17,31,.25); padding-bottom: 50px; }
  .continuation { grid-template-columns: 1fr; }
  .course-arrow { grid-row: auto; grid-column: auto; position: absolute; right: 40px; top: 40px; }
  .continuation .button { grid-column: auto; width: fit-content; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 28px); --radius: 22px; }
  body { font-size: 16px; }
  .nav-wrap { min-height: 70px; }
  .main-nav { inset: 70px 0 auto; }
  .brand-mark { width: 38px; height: 38px; }
  .hero { padding-block: 48px 60px; gap: 30px; }
  .hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-date-mobile { display: block; color: var(--muted); font-size: 12px; margin-bottom: 18px; }
  .hero-lead { margin: 25px 0; font-size: 18px; }
  .hero-meta { grid-template-columns: 1fr 1fr; }
  .hero-meta div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .hero-meta div:nth-child(4) { border-top: 1px solid var(--line); }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-art { min-height: 430px; }
  .ticket-card { width: 96%; border-radius: 21px; }
  .ticket-overlay { padding: 28px 24px 110px; }
  .ticket-stub { min-height: 90px; padding: 17px 24px; }
  .ticket-stub b { font-size: 20px; }
  .date-monument span:first-child { font-size: 130px; }
  .date-monument span:last-child { font-size: 48px; }
  .orbit-a { width: 390px; }.orbit-b { width: 430px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid div { padding: 18px 10px; justify-content: space-between; }
  .signal-grid div + div, .signal-grid div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding-block: 85px; }
  .section-kicker { margin-bottom: 35px; }
  .section h2 { font-size: clamp(42px, 13vw, 62px); }
  .about-grid, .audience-grid { gap: 40px; }
  .lead-copy { font-size: 20px; }
  .principles > div { grid-template-columns: 35px 1fr; }
  .principles p { grid-column: 2; }
  .section-heading { margin-bottom: 45px; }
  .agenda summary { grid-template-columns: 1fr 24px; gap: 14px; }
  .agenda summary time { grid-column: 1 / -1; }
  .agenda summary span { font-size: 18px; }
  .agenda-body { padding: 0 0 22px; font-size: 14px; }
  .agenda-body b { min-width: 58px; }
  .roles span { padding: 12px 15px; font-size: 13px; }
  .ticket-grid { gap: 45px; }
  .ticket-details ul { columns: 1; }
  .continuation { padding: 40px 25px; }
  .continuation h2 { font-size: clamp(31px, 8.6vw, 37px); line-height: .94; }
  .course-arrow { right: 20px; top: 20px; font-size: 42px; }
  .continuation .button { width: 100%; white-space: normal; gap: 12px; padding-inline: 16px; text-align: center; }
  .faq-grid { gap: 45px; }
  .countdown-wrap { flex-direction: column; align-items: flex-start; }
  .countdown { width: 100%; justify-content: space-between; gap: 10px; }
  .countdown strong { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { flex-wrap: wrap; }
  .modal-card { padding: 45px 25px 32px; }
}

@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; }
  .ticket-video { display: none; }
}