/* Beyond the Ballot — refined responsive edition.
   Text uses natural document flow. Only decorative artwork is positioned. */
:root {
  color-scheme: light;
  --navy: #051225;
  --ink: #111c2e;
  --muted: #5b6370;
  --gold: #dfb76a;
  --ochre: #956b29;
  --paper: #f8f6f2;
  --line: #e1ded7;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Inter', Arial, sans-serif;
  --section-space: clamp(80px, 7.5vw, 104px);
  --body-size: 18px;
  --copy-leading: 1.75;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font: 400 var(--body-size)/var(--copy-leading) var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, ol { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
h2 { font-size: clamp(34.68px, 3.57vw, 48.96px); line-height: 1.17; letter-spacing: -.025em; text-wrap: balance; }
h3 { line-height: 1.25; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid #3d90cd; outline-offset: 5px; }
section { position: relative; }
section[id] { scroll-margin-top: 24px; }
.container { width: min(100% - 112px, 1360px); margin-inline: auto; }
.section-space { padding-block: var(--section-space); }
.eyebrow { color: var(--ochre); font-size: 14px; line-height: 1.5; font-weight: 600; letter-spacing: .16em; }
.eyebrow + h2 { margin-top: 24px; }
.sprite { background-image: url('assets/reference-artwork.png'); background-repeat: no-repeat; background-size: 682px 2048px; }
.button {
  min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 22px;
  padding: 15px 26px; border: 1px solid transparent; border-radius: 4px;
  font-size: 16px; line-height: 1.45; font-weight: 500; text-align: center;
  transition: background-color .22s ease, border-color .22s ease, transform .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.gold { color: #152031; background: var(--gold); border-color: var(--gold); }
.gold:hover { background: #e9c782; border-color: #e9c782; }
.outline { color: var(--ink); border-color: #a0a6ad; background: transparent; }
.outline:hover { border-color: var(--ink); background: #f0eee9; }
.arrow { display: inline-block; position: relative; width: 18px; height: 14px; flex: 0 0 18px; transition: transform .22s; }
.arrow::before { content: ''; position: absolute; left: 0; top: 6px; width: 17px; border-top: 1.3px solid currentColor; }
.arrow::after { content: ''; position: absolute; right: 1px; top: 3px; width: 7px; height: 7px; border-top: 1.3px solid currentColor; border-right: 1.3px solid currentColor; transform: rotate(45deg); }
.button:hover .arrow { transform: translateX(3px); }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20; background: white; color: var(--navy); padding: 12px; }
.skip-link:focus { top: 12px; }
/* Branding stays at its source dimensions instead of being enlarged with the page. */
.header { background: var(--navy); color: #f5f6fa; border-bottom: 1px solid #9f803a; }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { flex-shrink: 0; display: inline-flex; align-items: center; gap: 18px; width: auto; height: 38px; }
.header nav { display: flex; align-items: center; gap: 30px; font-size: 13.3926px; font-weight: 400; }
.header nav > a:not(.nav-rsvp) { padding-block: 12px; transition: color .2s; white-space: nowrap; }
.header nav > a:not(.nav-rsvp):hover { color: var(--gold); }
.nav-rsvp { white-space: nowrap; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 20px; background: var(--gold); color: var(--navy); font-size: 11.3322px; letter-spacing: .08em; font-weight: 600; border-radius: 3px; transition: background-color .2s; }
.nav-rsvp:hover { background: #e9c782; }
/* Hero */
.hero { overflow: hidden; background: var(--navy); color: #f5f6fa; }
.hero-inner { position: relative; padding-block: 80px 48px; min-height: 730px; }
.hero-copy { position: relative; z-index: 1; max-width: 610px; }
.invite-only { display: inline-block; padding: 5px 12px; border: 1px solid #a48443; color: #e4c282; font-size: 12.5px; font-weight: 500; letter-spacing: .12em; line-height: 1.5; }
.hero-eyebrow { margin-top: 32px; color: #e0b970; }
.hero h1 { font-size: clamp(61.2px, 6.324vw, 85.68px); line-height: 1.02; letter-spacing: -.035em; margin-top: 24px; }
.hero h1 .hero-accent { color: #e2bb70; }
.hero-description { max-width: 560px; font-size: 20px; line-height: 1.65; margin-top: 32px; color: #e6e8ed; }
.hero-subtitle { font-size: 16px; line-height: 1.7; margin-top: 20px; color: #cbd3de; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; margin-top: 32px; }
.watch { border: 0; padding: 8px 0; background: transparent; color: #e2e8f0; display: inline-flex; align-items: center; gap: 10px; font-size: 15.5px; font-weight: 400; line-height: 1.5; }
.play { border: 1px solid #bdc6d3; display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%; padding-left: 2px; font-size: 10.2px; transition: background .2s, border-color .2s; }
.watch:hover .play { background: #ffffff13; border-color: var(--gold); }
.down { display: inline-flex; margin-top: 30px; color: var(--gold); font: 28.56px/1 var(--sans); padding: 4px; transition: transform .2s; }
.down:hover { transform: translateY(4px); }
.hero-art { position: absolute; width: 900px; height: 630px; right: -100px; top: -4px; background: none; mask-image: linear-gradient(90deg, transparent 5%, #000 35%, #000 96%, transparent 100%), linear-gradient(0deg, transparent, #000 10%, #000 90%, transparent); mask-composite: intersect; }
/* Event facts */
.event-details { border-bottom: 1px solid var(--line); background: #fdfcfb; }
.details-inner { display: grid; grid-template-columns: repeat(3, 1fr); padding-block: 40px; }
.detail { display: flex; align-items: flex-start; gap: 22px; padding-inline: 38px; border-left: 1px solid #d8c8a8; }
.detail:first-child { padding-left: 0; border-left: 0; }
.detail:last-child { padding-right: 0; }
.detail-icon { width: 34px; height: 37px; flex-shrink: 0; stroke: #ab8138; stroke-width: 1.4; margin-top: 4px; }
.detail-label { font-size: 12.5px; font-weight: 600; letter-spacing: .14em; color: var(--muted); margin-bottom: 12px; line-height: 1.5; }
.detail-value { font: 400 26px/1.35 var(--serif); letter-spacing: -.015em; }
/* Conversation */
.conversation-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 64px; align-items: start; }
.conversation-copy { border-left: 1px solid #d1b37c; padding-left: 40px; color: #4e5663; font-size: 18px; line-height: 1.75; margin-top: 2px; }
.conversation-copy p + p { margin-top: 24px; }
.topics { list-style: none; padding: 0; margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.topics li { padding-top: 24px; border-top: 1px solid #cfb480; }
.topic-number { display: block; font: 400 26px/1.3 var(--serif); color: #a77e36; margin-bottom: 16px; }
.topics h3 { font-size: 25.5px; letter-spacing: -.018em; }
/* Featured guest: preserve the original portrait; do not invent facial detail. */
.guest { background: var(--paper); }
.guest-inner { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.guest-photo { width: 304px; height: 310px; background-position: 0 -808px; justify-self: center; border-radius: 2px; }
.guest-info { max-width: 630px; }
.guest-info h2 { margin-top: 24px; }
.guest-role { font: italic 400 24px/1.5 var(--serif); color: #51545c; margin-top: 28px; max-width: 530px; }
.guest-description { color: #525b68; font-size: 18px; line-height: 1.75; margin-top: 24px; max-width: 520px; }
.guest-signature { display: flex; align-items: center; gap: 24px; margin-top: 32px; color: #60646c; font: 400 18px/1.6 var(--serif); }
.guest-signature span { width: 60px; height: 1px; background: #ae8d50; flex-shrink: 0; }
/* Program */
.program { background: #fdfcf9; }
.section-heading { max-width: 830px; }
.program-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; }
.program-card { display: flex; flex-direction: column; align-items: flex-start; padding: 44px; border: 1px solid #d8d9da; border-radius: 6px; }
.roundtable { color: #f5f6f9; background: var(--navy); border-color: var(--navy); }
.reception { background: #fff; }
.card-kicker { min-height: 25px; display: inline-flex; align-items: center; font-size: 12.5px; line-height: 1.5; font-weight: 600; letter-spacing: .13em; color: var(--ochre); }
.card-kicker.vip { background: #dcb775; color: #172133; padding: 4px 9px; border-radius: 2px; letter-spacing: .08em; }
.event-time { font: 400 clamp(31.5241px, 3.2575vw, 42.0322px)/1.2 var(--serif); font-variant-numeric: lining-nums; letter-spacing: -.025em; margin-top: 28px; }
.program-card h3 { font-size: 30.6px; letter-spacing: -.02em; margin-top: 24px; }
.card-description { max-width: 460px; font-size: 18px; line-height: 1.7; color: var(--muted); margin-top: 24px; margin-bottom: 32px; }
.roundtable .card-description { color: #bbc5d4; }
.card-button { margin-top: auto; }
/* Dallas: bounded original image, no page-wide bitmap scaling. */
.dallas { background: var(--navy); color: #f7f8fb; overflow: hidden; }
.dallas-inner { position: relative; padding-block: 72px; min-height: 430px; }
.dallas-copy { max-width: 440px; position: relative; z-index: 1; }
.dallas .eyebrow { color: #dcba78; }
.dallas h2 { font-size: clamp(30.6px, 3.06vw, 40.8px); margin-top: 24px; }
.dallas-venue { font-size: 20px; margin-top: 28px; line-height: 1.65; }
.dallas-venue span { font-size: 16px; color: #bbc7d7; }
.dallas-rule { display: block; height: 1px; width: 44px; background: #b69251; margin-block: 24px; }
.arrival-note { max-width: 370px; font-size: 15.5px; line-height: 1.7; color: #c3cddd; }
.dallas-art { position: absolute; right: -90px; bottom: 0; width: 780px; height: 390px; background: url('assets/dallas-clean-v2.png') right bottom / contain no-repeat; mask-image: linear-gradient(90deg, transparent, #000 24%, #000), linear-gradient(180deg, transparent, #000 18%, #000); mask-composite: intersect; }
/* Invitation */
.invitation { text-align: center; background: var(--paper); overflow: hidden; }
.invitation-inner { position: relative; z-index: 1; }
.invitation h2 { font-size: clamp(36.72px, 4.386vw, 55.08px); }
.invitation-date { font-size: 18px; line-height: 1.7; color: var(--muted); margin-top: 28px; }
.invitation-date span { padding-inline: 6px; }
.confirm { margin-top: 32px; }
.reception-link { color: #5b626d; font-size: 16px; margin-top: 24px; }
.reception-link a { display: inline-flex; align-items: center; gap: 9px; border: 0; background: transparent; color: var(--ink); font-size: 16px; font-weight: 500; text-decoration: underline; text-underline-offset: 4px; padding: 7px 5px; }
.reception-link a .arrow { color: #9e7838; }
.invitation-note { color: #7d7e81; font: italic 400 17px/1.6 var(--serif); margin-top: 16px; }
.invitation-arc { position: absolute; width: 130%; left: -15%; height: 500px; top: 25px; border: 1px solid #d1b57e; border-radius: 50%; opacity: .45; pointer-events: none; mask-image: linear-gradient(90deg,#000,transparent 27%,transparent 73%,#000); }
.arc-two { width: 137%; left: -18.5%; top: 38px; height: 530px; opacity: .23; }
/* Footer */
.footer { background: var(--navy); color: #c5cbd6; }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.footer-brand { display: inline-flex; align-items: center; gap: 18px; height: 38px; flex-shrink: 0; }
.footer p { font-size: 14px; line-height: 1.7; padding-inline: 30px; border-inline: 1px solid #826a41; text-align: center; }
.footer-link { font-size: 15.5px; }
.footer-link:hover { color: var(--gold); }
/* Progressive enhancement: content is visible until the observer is ready.
   Independent transform properties keep hover effects and layout intact. */
[data-reveal] { --reveal-distance: 44px; --reveal-scale: 1; --reveal-delay: 0ms; --reveal-duration: 1000ms; }
.motion-ready [data-reveal] {
  transition: opacity 750ms cubic-bezier(.22,1,.36,1) var(--reveal-delay),
    translate var(--reveal-duration) cubic-bezier(.16,1,.3,1) var(--reveal-delay),
    scale var(--reveal-duration) cubic-bezier(.16,1,.3,1) var(--reveal-delay),
    transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.motion-ready [data-reveal]:not(.is-visible) { opacity: 0; translate: 0 var(--reveal-distance); scale: var(--reveal-scale); }
.motion-ready [data-reveal].is-visible { opacity: 1; translate: 0 0; scale: 1; }
.motion-ready [data-reveal].is-focused { transition-delay: 0ms; transition-duration: 0ms; }
[data-reveal="heading"] { --reveal-distance: 38px; --reveal-duration: 1100ms; }
[data-reveal="card"] { --reveal-distance: 56px; --reveal-scale: .985; --reveal-duration: 1150ms; }
[data-reveal="image"] { --reveal-distance: 48px; --reveal-scale: .98; --reveal-duration: 1250ms; }
[data-reveal="compact"] { --reveal-distance: 22px; --reveal-duration: 900ms; }
/* Gold rules draw across as their related content arrives. */
.topics li { position: relative; border-top-color: transparent; }
.topics li::before { content: ''; position: absolute; inset: 0 0 auto; height: 1px; background: #cfb480; transform-origin: left; transition: scale 1100ms cubic-bezier(.16,1,.3,1) calc(var(--reveal-delay,0ms) + 100ms); }
.motion-ready .topics li:not(.is-visible)::before { scale: 0 1; }
.motion-ready .guest-signature span, .motion-ready .dallas-rule { transform-origin: left; transition: scale 1100ms cubic-bezier(.16,1,.3,1) 160ms; }
.motion-ready .guest-signature:not(.is-visible) span, .motion-ready .dallas-rule:not(.is-visible) { scale: 0 1; }
@media (hover: hover) and (pointer: fine) {
  .program-card { transition: box-shadow .35s ease, border-color .35s ease, transform .35s ease; }
  .program-card:hover { transform: translateY(-5px); box-shadow: 0 16px 30px #0512250d; border-color: #ba9a60; }
}
/* Final VIP video: native playback controls with an accessible, responsive dialog. */
body.video-open { overflow: hidden; }
.video-dialog { width: min(1040px, calc(100% - 40px)); max-width: none; max-height: calc(100dvh - 32px); padding: 0; border: 1px solid #bd9b5e; border-radius: 8px; color: #f5f6fa; background: var(--navy); overflow: auto; box-shadow: 0 24px 100px #0006; }
.video-dialog::backdrop { background: #020914d9; }
.video-dialog-header { min-height: 60px; padding: 12px 18px 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.video-dialog-header p { font: 500 14px/1.5 var(--sans); letter-spacing: .15em; color: #e2bb70; }
.video-close { width: 40px; height: 40px; display: grid; place-items: center; flex-shrink: 0; padding: 0; border: 1px solid #ffffff30; border-radius: 50%; color: #fff; background: transparent; font: 300 28px/1 var(--sans); transition: border-color .2s, background .2s; }
.video-close:hover { border-color: var(--gold); background: #ffffff0d; }
.invitation-video { width: 100%; height: auto; max-height: calc(100dvh - 110px); aspect-ratio: 16/9; display: block; object-fit: contain; background: #000; }
.video-error { padding: 16px 24px; color: #e5e8ed; font-size: 16px; }
.video-error a { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 600px) {
  .video-dialog { width: calc(100% - 20px); border-radius: 5px; }
  .video-dialog-header { padding: 8px 12px 8px 16px; min-height: 56px; }
}
@media print { .video-dialog { display: none !important; } }
/* Tablet */
@media (max-width: 1000px) {
  .container { width: calc(100% - 56px); }
  .header nav { gap: 20px; font-size: 12.3624px; }
  .hero-art { right: -185px; width: 710px; opacity: .85; }
  .hero-copy { max-width: 560px; }
  .hero-actions { max-width: 500px; }
  .detail { padding-inline: 24px; gap: 16px; }
  .detail-value { font-size: 21.0161px; }
  .conversation-grid { gap: 40px; }
  .conversation-copy { padding-left: 30px; }
  .topics { gap: 24px; }
  .topics h3 { font-size: 23.46px; }
  .guest-inner { gap: 40px; grid-template-columns: 304px 1fr; }
  .guest-info h2 { font-size: 38.76px; }
  .program-card { padding: 30px; }
  .card-button { padding-inline: 18px; gap: 16px; font-size: 15.5px; }
  .dallas-art { right: -150px; opacity: .85; }
  .footer-inner { gap: 22px; }
  .footer p { padding-inline: 22px; font-size: 12.5px; }
}
/* Mobile: readable type and real spacing instead of shrinking a desktop canvas. */
@media (max-width: 720px) {
  .container { width: calc(100% - 40px); }
  .header-inner { flex-wrap: wrap; padding-block: 18px 14px; gap: 16px; }
  .brand { margin-inline: auto; }
  .header nav { justify-content: space-between; gap: 14px; width: 100%; font-size: 11.3322px; }
  .nav-rsvp { min-height: 36px; font-size: 10.302px; padding: 8px 13px; }
  .hero-inner { display: flex; flex-direction: column; padding-block: 42px 0; min-height: 0; }
  .hero-copy { max-width: 100%; order: 1; }
  .hero h1 { font-size: clamp(65.28px, 12.24vw, 83.64px); }
  .hero-description { font-size: 18px; max-width: 400px; }
  .hero-subtitle { max-width: 300px; line-height: 1.7; }
  .hero-art { position: relative; order: 2; width: 100%; max-width: 420px; height: auto; aspect-ratio: 1; right: auto; top: auto; margin: 32px auto 48px; opacity: 1; overflow: hidden; mask-image: none; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 30px; }
  .watch { font-size: 15.5px; }
  .details-inner { grid-template-columns: 1fr; padding-block: 8px; }
  .detail, .detail:first-child, .detail:last-child { padding: 22px 0; gap: 20px; border-left: 0; border-bottom: 1px solid var(--line); }
  .detail:last-child { border-bottom: 0; }
  .detail-value { font-size: 24.1685px; }
  .detail-value br { display: none; }
  .detail-label { margin-bottom: 7px; }
  .conversation-grid { grid-template-columns: 1fr; gap: 30px; }
  .conversation-copy { border-left: 0; padding-left: 0; margin-top: 0; font-size: 18px; }
  .topics { grid-template-columns: 1fr; gap: 24px; margin-top: 36px; }
  .topics li { display: flex; gap: 24px; align-items: baseline; }
  .topic-number { margin: 0; font-size: 22.0669px; }
  .topics h3 { font-size: 25.5px; }
  .guest-inner { grid-template-columns: 1fr; gap: 36px; }
  .guest-photo { justify-self: start; }
  .guest-info h2 { font-size: clamp(36.72px, 7.446vw, 44.88px); }
  .guest-role { font-size: 21.0161px; }
  .guest-signature { font-size: 18px; gap: 16px; }
  .program-cards { grid-template-columns: 1fr; gap: 22px; margin-top: 32px; }
  .program-card { padding: 30px 26px; }
  .event-time { font-size: 39.9306px; }
  .program-card h3 { font-size: 28.56px; }
  .card-button { font-size: 15.5px; padding-inline: 20px; }
  .dallas-inner { padding-block: 48px 235px; }
  .dallas h2 { font-size: 34.68px; }
  .dallas-art { right: -130px; bottom: 0; opacity: 1; width: 600px; height: 300px; background-size: contain; background-position: right bottom; mask-image: linear-gradient(180deg,transparent,#000 20%,#000); }
  .dallas-copy { max-width: 100%; }
  .arrival-note { max-width: 310px; }
  .invitation h2 { font-size: 38.76px; }
  .invitation-date { max-width: 310px; margin-inline: auto; }
  .confirm { width: 100%; max-width: 370px; gap: 15px; padding-inline: 17px; font-size: 15.5px; }
  .reception-link { font-size: 15.5px; }
  .footer-inner { flex-direction: column; padding-block: 30px; gap: 24px; }
  .footer p { font-size: 14px; border: 0; padding: 0; }
  .footer-link { font-size: 15.5px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .header nav { gap: 8px; font-size: 10.302px; }
  .nav-rsvp { padding-inline: 10px; }
  .guest-photo { transform: scale(.94); transform-origin: left; margin-right: -19px; }
  .program-card { padding-inline: 22px; }
  .card-button { width: 100%; font-size: 14px; padding-inline: 12px; }
  .event-time { font-size: 35.7273px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .will-reveal { opacity: 1; transform: none; }
}
@media print {
  .will-reveal { opacity: 1; transform: none; }
  .skip-link, .video-dialog { display: none !important; }
  .program-card, .guest, .event-details { break-inside: avoid; }
}

/* Uppercase edition: retain the light weight and allow comfortable letter spacing. */
h1, h2, h3 { text-transform: uppercase; }
.hero h1 { letter-spacing: .018em; line-height: 1.1; }
h2, .topics h3, .program-card h3 { letter-spacing: .025em; line-height: 1.3; }
.header nav { text-transform: uppercase; letter-spacing: .075em; }
.eyebrow { letter-spacing: .17em; }
.conversation-grid { grid-template-columns: 1.35fr 1fr; gap: 48px; }
.conversation-grid > div:first-child { container-type: inline-size; }
.conversation h2 { font-size: clamp(23.5px, 8cqw, 48.96px); }
.topics h3 { font-size: clamp(22px, 2vw, 25.5px); }
.dallas-copy { max-width: 540px; }
.guest-info, .program-card, .topics li { min-width: 0; }
/* Native logo paths and high-resolution original Lab artwork. */
.filter-defs { position: absolute; overflow: hidden; pointer-events: none; }
.smu-logo { display: block; width: 88px; height: auto; }
.lab-logo { display: block; width: 152px; height: auto; filter: url(#lab-on-navy); }
.brand-divider { display: block; height: 29px; width: 1px; flex-shrink: 0; background: #ac8b50; }
/* Rotate only the round globe. The surrounding stars stay still. */
.hero-scene { display: block; width: 100%; height: 100%; overflow: visible; }
.globe-rotor { transform-box: view-box; transform-origin: 1074px 524px; animation: globe-turn 90s linear infinite; }
@keyframes globe-turn { to { transform: rotate(360deg); } }
.globe-toggle { position: absolute; right: 68px; bottom: 56px; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid #b9c7dc55; border-radius: 50%; background: #051225b3; color: #dde5ef; z-index: 2; }
.globe-toggle:hover { border-color: var(--gold); }
.globe-toggle span { display: block; width: 10px; height: 12px; border-inline: 3px solid currentColor; }
.globe-toggle[aria-pressed="true"] span { width: 0; height: 0; border: 6px solid transparent; border-right: 0; border-left: 9px solid currentColor; margin-left: 3px; }
@media (max-width: 1000px) {
  .conversation-grid { gap: 36px; }
  .hero h1 { font-size: clamp(57px, 6.2vw, 85.68px); }
  .globe-toggle { right: 80px; }
}
@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; justify-content: center; padding-block: 18px 14px; gap: 18px; }
  .header nav { width: 100%; justify-content: center; gap: 30px; }
  .footer-inner { flex-direction: column; padding-block: 30px; gap: 24px; }
  .footer p { border: 0; padding: 0; }
}
@media (max-width: 720px) {
  .hero h1 { font-size: clamp(41.5px, 11.7vw, 68px); }
  h2 { font-size: clamp(29px, 6.8vw, 38px); }
  /* Center the globe itself (1074,524), rather than its wider artwork canvas.
     The 1536×1024 canvas is 150% wide; the full globe fits with 5% clearance. */
  .hero-scene { width: 150%; height: 100%; max-width: none; position: absolute; left: 50%; right: auto; top: 50%; transform: translate(-69.921875%, -51.171875%); mask-image: radial-gradient(circle farthest-side at 69.921875% 51.171875%, #000 43.5%, transparent 48%); }
  .hero-art .globe-toggle { right: 0; bottom: 0; width: 44px; height: 44px; }
  .globe-toggle { right: 20px; bottom: 25px; }
  .header nav { justify-content: space-between; gap: 8px; font-size: clamp(9.898px, 2.727vw, 11.3322px); letter-spacing: .045em; }
  .header nav > a { min-height: 44px; display: inline-flex; align-items: center; }
  .conversation-grid { grid-template-columns: 1fr; gap: 30px; }
  .conversation h2 { font-size: clamp(23.5px, 8cqw, 42px); }
  .guest-info h2 { font-size: clamp(28px, 7.3vw, 42px); }
  .topics h3 { font-size: clamp(21px, 5.5vw, 25.5px); }
  .program-card h3 { font-size: clamp(24px, 5.7vw, 28.56px); }
  .dallas h2 { font-size: clamp(26px, 6.6vw, 34.68px); }
  .invitation h2 { font-size: clamp(29px, 7vw, 38.76px); }
}
@media (max-width: 360px) {
  .header nav { gap: 4px; letter-spacing: .015em; font-size: 9.494px; }
  .nav-rsvp { padding-inline: 7px; font-size: 9.494px; }
  .hero h1 { font-size: 41.5px; }
  .guest-photo { width: 100%; max-width: 304px; margin: 0; transform: none; background-position: left -808px; }
}
@media (prefers-reduced-motion: reduce) {
  .globe-rotor { animation: none; }
  .globe-toggle { display: none; }
}

/* The moving light follows the existing arc in the unchanged skyline image. */
.skyline-image { position: absolute; inset: 0; }
.skyline-light { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0; overflow: visible; }
.dallas-art[data-light-state] .skyline-light { opacity: 1; }
.skyline-light-travel { stroke-dasharray: 12 112; stroke-dashoffset: 12; opacity: 0; animation: skyline-sweep 6.2s linear infinite; animation-play-state: paused; }
.light-tail { stroke-dasharray: 9 115; }
.light-tip { stroke-dasharray: .7 123.3; stroke-dashoffset: 0; animation-name: skyline-tip; }
.dallas-art[data-light-state="running"] .skyline-light-travel { animation-play-state: running; }
@keyframes skyline-sweep {
  0% { stroke-dashoffset: 12; opacity: 0; }
  6% { opacity: 1; }
  77% { stroke-dashoffset: -100; opacity: 1; }
  85%,100% { stroke-dashoffset: -100; opacity: 0; }
}
@keyframes skyline-tip {
  0% { stroke-dashoffset: 0; opacity: 0; }
  6% { opacity: 1; }
  77% { stroke-dashoffset: -112; opacity: 1; }
  85%,100% { stroke-dashoffset: -112; opacity: 0; }
}
.skyline-toggle { display: none; right: 22px; bottom: 20px; }
.dallas-art[data-light-state] .skyline-toggle { display: grid; }
@media (max-width: 1000px) { .skyline-toggle { right: 165px; } }
@media (max-width: 720px) {
  [data-reveal] { --reveal-distance: 32px; --reveal-duration: 900ms; }
  [data-reveal="card"], [data-reveal="image"] { --reveal-distance: 40px; }
  .skyline-toggle { right: 150px; bottom: 18px; }
}
@media (prefers-reduced-motion: reduce), print {
  .motion-ready [data-reveal] { opacity: 1 !important; translate: none !important; scale: 1 !important; transition: none !important; }
  .topics li::before, .guest-signature span, .dallas-rule { scale: 1 !important; }
  .skyline-light, .dallas-art[data-light-state] .skyline-toggle { display: none; }
}

/* A wider desktop frame with artwork sized to fill its corresponding side. */
@media (min-width: 1001px) {
  .hero-inner { min-height: 730px; }
  .hero-art { width: clamp(900px, 72vw, 1080px); height: auto; aspect-ratio: 3/2; right: -40px; top: 50%; transform: translateY(-50%); }
  .hero-scene { transform: translateY(var(--hero-drift, 0px)); }
  .dallas-art { width: clamp(780px, 64vw, 1000px); height: auto; aspect-ratio: 2/1; right: -40px; transform: translateY(var(--skyline-drift, 0px)); }
  .hero-art .globe-toggle { right: 50px; bottom: 42px; }
  .dallas-art .skyline-toggle { right: 55px; bottom: 22px; }
}
/* Line reveals use the original heading content and typography. */
.heading-line { display: block; overflow: clip; padding-block: .08em; margin-block: -.08em; }
.heading-line-inner { display: block; }
.motion-ready [data-reveal="heading"] { --reveal-distance: 16px; --reveal-duration: 1000ms; }
.motion-ready [data-reveal="heading"] .heading-line-inner {
  transform: translateY(0);
  transition: transform 1150ms cubic-bezier(.16,1,.3,1) calc(var(--reveal-delay,0ms) + var(--line-delay,0ms));
}
.motion-ready [data-reveal="heading"]:not(.is-visible) .heading-line-inner { transform: translateY(112%); }
.motion-ready [data-reveal="heading"].is-focused .heading-line-inner { transition: none; }
/* Portrait reveal, progressive rules, and clear pointer feedback. */
.motion-ready .guest-photo { clip-path: inset(0); transition: opacity .8s ease, translate 1.2s cubic-bezier(.16,1,.3,1), scale 1.2s cubic-bezier(.16,1,.3,1), clip-path 1.2s cubic-bezier(.16,1,.3,1); }
.motion-ready .guest-photo:not(.is-visible) { clip-path: inset(12% 0 0); }
.header nav > a:not(.nav-rsvp) { position: relative; }
.header nav > a:not(.nav-rsvp)::after { content: ''; position: absolute; bottom: 4px; inset-inline: 0; height: 1px; background: var(--gold); scale: 0 1; transform-origin: left; transition: scale .35s cubic-bezier(.16,1,.3,1); }
.header nav > a:not(.nav-rsvp):hover::after, .header nav > a:not(.nav-rsvp):focus-visible::after { scale: 1; }
@media (prefers-reduced-motion: reduce), print {
  .motion-ready [data-reveal="heading"] .heading-line-inner { transform: none !important; transition: none !important; }
  .motion-ready .guest-photo { clip-path: none !important; }
  .hero-scene { --hero-drift: 0px; }
  .dallas-art { --skyline-drift: 0px; }
}

/* Readability and spacing: consistent copy sizes across all sections. */
.eyebrow { font-size: 13px; line-height: 1.6; letter-spacing: .14em; }
.invite-only { padding: 7px 13px; }
.hero-subtitle { font-size: 17px; max-width: 540px; }
.header nav { font-size: 14px; gap: 28px; }
.nav-rsvp { font-size: 13px; min-height: 48px; padding-inline: 22px; }
.conversation-copy, .guest-description, .card-description { line-height: var(--copy-leading); }
.guest-role { max-width: 530px; }
.card-kicker { font-size: 13px; min-height: 30px; }
.card-kicker.vip { padding: 6px 12px; }
.arrival-note { font-size: 16px; line-height: 1.75; }
.invitation-note { margin-top: 20px; }
.footer-inner { min-height: 128px; padding-block: 32px; }
.footer p { font-size: 14px; line-height: 1.75; }
.footer-link { font-size: 15px; }
.nav-toggle { display: none; }
@media (max-width: 1100px) and (min-width: 721px) {
  .program-card { padding: 32px; }
  .card-button { font-size: 15px; gap: 16px; padding-inline: 20px; }
  .header nav { font-size: 13px; gap: 20px; }
}
@media (max-width: 860px) and (min-width: 721px) {
  .guest-inner { grid-template-columns: 304px minmax(0,1fr); gap: 36px; }
  .program-cards { grid-template-columns: 1fr; }
  .program-card { padding: 36px; }
  .card-description { max-width: 520px; }
  .details-inner { gap: 20px; }
  .detail { padding-inline: 16px; gap: 14px; }
  .detail-value { font-size: 23px; }
}
@media (max-width: 720px) {
  :root { --section-space: 72px; --body-size: 18px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 88px; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-block: 20px; }
  .header .brand { margin: 0; gap: 12px; }
  .header .smu-logo { width: 68px; }
  .header .lab-logo { width: 118px; }
  .header .brand-divider { height: 26px; }
  .header nav { flex-wrap: wrap; gap: 12px 18px; font-size: 14px; letter-spacing: .055em; }
  .header .nav-rsvp { font-size: 13px; min-height: 48px; padding: 12px 20px; }
  .header.nav-enhanced .nav-toggle { display: grid; place-items: center; width: 46px; height: 46px; padding: 0; border: 1px solid #a4844370; border-radius: 4px; background: transparent; color: #f5f6fa; }
  .nav-toggle span { display: block; width: 20px; height: 12px; border-block: 1.5px solid currentColor; position: relative; }
  .nav-toggle span::before { content: ''; position: absolute; height: 1.5px; width: 20px; background: currentColor; top: 4px; left: 0; }
  .nav-toggle[aria-expanded="true"] span { border: 0; transform: rotate(45deg); height: 1.5px; background: currentColor; }
  .nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(90deg); }
  .header.nav-enhanced nav { display: none; width: 100%; }
  .header.nav-enhanced.nav-open nav { display: flex; flex-direction: column; align-items: stretch; gap: 8px; border-top: 1px solid #dfb76a33; padding-top: 16px; }
  .header.nav-enhanced nav > a { padding: 12px 14px; font-size: 15px; min-height: 48px; opacity: 1; translate: none; scale: 1; }
  .header.nav-enhanced nav > a::after { display: none; }
  .header.nav-enhanced nav .nav-rsvp { margin-top: 8px; }
  .hero-inner { padding-block: 48px 0; }
  .hero h1 { margin-top: 24px; }
  .hero-eyebrow { margin-top: 28px; }
  .hero-description { font-size: 19px; line-height: 1.65; margin-top: 28px; max-width: 540px; }
  .desktop-break { display: none; }
  .hero-subtitle { font-size: 16px; max-width: 440px; margin-top: 20px; line-height: 1.75; }
  .hero-actions { width: 100%; max-width: 440px; margin-top: 32px; gap: 20px; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .watch { min-height: 48px; font-size: 16px; gap: 12px; }
  .down { margin-top: 24px; }
  .details-inner { padding-block: 8px; }
  .detail, .detail:first-child, .detail:last-child { padding-block: 28px; gap: 20px; }
  .detail-label { font-size: 12px; margin-bottom: 10px; }
  .detail-value { font-size: 25px; line-height: 1.4; }
  .detail-value br { display: initial; }
  .conversation-grid { gap: 32px; }
  .conversation-copy { font-size: 18px; }
  .conversation-copy p + p { margin-top: 24px; }
  .topics { margin-top: 40px; gap: 28px; }
  .topics li { padding-top: 24px; gap: 20px; }
  .topic-number { font-size: 25px; }
  .guest-inner { gap: 40px; }
  .guest-photo { justify-self: center; }
  .guest-role { font-size: 23px; margin-top: 24px; }
  .guest-description { font-size: 18px; margin-top: 24px; }
  .guest-signature { font-size: 17px; gap: 18px; margin-top: 32px; }
  .guest-signature span { width: 40px; }
  .program-cards { margin-top: 36px; gap: 24px; }
  .program-card { padding: 32px 28px; }
  .card-kicker { font-size: 12px; letter-spacing: .1em; }
  .event-time { font-size: clamp(33px, 9.5vw, 42px); margin-top: 28px; }
  .program-card h3 { margin-top: 24px; }
  .card-description { font-size: 18px; margin-top: 24px; margin-bottom: 32px; }
  .card-button { width: 100%; padding: 15px 18px; font-size: 15px; gap: 16px; }
  .dallas-inner { padding-block: 64px 270px; }
  .dallas-venue { font-size: 20px; margin-top: 28px; }
  .dallas-venue span { font-size: 17px; }
  .arrival-note { max-width: 400px; font-size: 16px; }
  .invitation-date { max-width: 420px; font-size: 17px; line-height: 1.8; margin-top: 24px; }
  .invitation-date span { display: block; height: 0; overflow: hidden; }
  .confirm { font-size: 16px; max-width: 440px; padding: 16px 20px; gap: 16px; }
  .reception-link, .reception-link a { font-size: 16px; line-height: 1.7; }
  .reception-link a { min-height: 44px; }
  .invitation-note { font-size: 16px; }
  .footer-inner { gap: 28px; padding-block: 40px; }
  .footer p { font-size: 14px; padding: 0; }
  .footer-link { font-size: 15px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 12px; }
  .header .brand { gap: 10px; }
  .header .lab-logo { width: 112px; }
  .header .smu-logo { width: 64px; }
  .hero-description { font-size: 18px; }
  .program-card { padding: 28px 22px; }
  .card-button { font-size: 15px; padding-inline: 12px; gap: 12px; }
  .confirm { padding-inline: 16px; }
  .footer-brand { gap: 12px; }
  .footer .smu-logo { width: 76px; }
  .footer .lab-logo { width: 134px; }
}