:root {
  --paper: #fafaf8;
  --soft: #f5f4f0;
  --ink: #0d0d0d;
  --muted: #62615e;
  --red: #cc0000;
  --line: #deddd7;
  --serif: 'Playfair Display', Georgia, serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.7 'Inter', Arial, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible, iframe:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; }
h1 { font-size: clamp(54px, 5.4vw, 80px); line-height: 1.04; letter-spacing: -.048em; }
h1 em, h2 em { font-weight: 400; color: var(--red); }
h2 { font-size: clamp(36px, 3.8vw, 52px); line-height: 1.13; letter-spacing: -.035em; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.4; letter-spacing: -.02em; }
p + p { margin-top: 18px; }
cite { font-style: italic; }
.container { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.section { padding-block: 100px; }
.eyebrow { font-size: 10px; font-weight: 600; line-height: 1.5; text-transform: uppercase; letter-spacing: .16em; color: var(--red); margin-bottom: 26px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 28px; min-height: 54px; padding: 14px 24px; background: var(--red); color: #fff; text-decoration: none; font-size: 13px; font-weight: 600; border-radius: 3px; transition: background .2s; }
.button:hover { background: #a30000; }
.button span { font-size: 20px; font-weight: 400; line-height: 1; }
.button-small { min-height: 44px; font-size: 12px; gap: 22px; padding: 11px 18px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 10; padding: 10px 18px; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 122px; }
.header-links { display: flex; align-items: center; gap: 34px; }
.home-link { font-size: 12px; font-weight: 500; text-decoration: none; }
.home-link:hover { color: var(--red); }
.hero { padding-top: 65px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 70px; align-items: center; }
.hero-copy { padding-block: 12px; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--red); margin-right: 8px; vertical-align: 1px; }
.hero-lead { margin-top: 26px; font-size: 20px; line-height: 1.5; letter-spacing: -.025em; }
.authors { margin-top: 22px; font-size: 14px; font-weight: 600; line-height: 1.65; }
.authors span { color: var(--red); margin-left: 4px; }
.hero-description { margin-top: 22px; color: var(--muted); font-size: 14px; max-width: 470px; }
.hero-action { display: flex; gap: 22px; align-items: center; margin-top: 30px; }
.action-note { font-size: 10px; line-height: 1.8; color: var(--muted); }
.hero-art { margin: 0; align-self: center; }
.hero-art > img { width: 100%; height: auto; border-radius: 3px; }
.hero-art figcaption { margin-top: 12px; font-size: 10px; line-height: 1.6; color: var(--muted); }
.event-facts { margin-top: 55px; padding-block: 28px; border-block: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.event-facts > div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.fact-label { display: block; font-size: 9px; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 9px; }
.event-facts strong { display: block; font-size: 12px; font-weight: 600; line-height: 1.6; }
.event-facts > div > span:last-child { display: block; font-size: 10px; color: var(--muted); margin-top: 3px; }
.conversation-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 105px; }
.section-intro > p:not(.eyebrow) { color: var(--muted); font-size: 15px; margin-top: 26px; }
.section-intro > p + p { margin-top: 18px; }
.topic { display: flex; gap: 24px; padding-block: 25px; border-top: 1px solid var(--line); }
.topic:last-child { border-bottom: 1px solid var(--line); }
.topic-number { font-size: 11px; color: var(--red); padding-top: 3px; }
.topic p { font-size: 13px; color: var(--muted); margin-top: 10px; }
.evening { background: #1a1a1a; color: #fafaf8; padding-block: 75px 85px; }
.evening .eyebrow { color: #ef9d92; }
.evening h2 em { color: #deddd7; }
.evening-heading { display: grid; grid-template-columns: 1fr 1.1fr; gap: 105px; align-items: start; }
.evening-heading .eyebrow { margin-top: 10px; }
.evening-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 55px; }
.evening-grid > div { border-top: 1px solid #ffffff36; padding-top: 22px; }
.evening-marker { display: block; font: italic 22px/1 var(--serif); color: #ef9d92; margin-bottom: 24px; }
.evening-grid h3 { font-size: 17px; }
.evening-grid p { font-size: 13px; color: #c2c1bb; margin-top: 12px; }
.registration { background: var(--soft); }
.registration-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 90px; align-items: start; }
.registration-copy > p:not(.eyebrow) { font-size: 14px; color: var(--muted); margin-top: 24px; }
.registration-copy > p + p { margin-top: 18px; }
.practical-details { margin: 28px 0 0; }
.practical-details > div { padding-block: 16px; border-top: 1px solid var(--line); }
.practical-details dt { font-size: 11px; font-weight: 600; }
.practical-details dd { font-size: 12px; color: var(--muted); margin: 5px 0 0; }
.registration-panel { min-width: 0; background: #fff; padding: 26px; border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 16px 40px #0d0d0d05; }
.panel-heading { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 20px; font-size: 12px; font-weight: 500; }
.luma-label { color: var(--muted); font-size: 11px; }
.registration-panel iframe { display: block; width: 100%; max-width: 600px; height: 450px; background: #fafafa; }
.registration-fallback { font-size: 11px; color: var(--muted); padding-top: 18px; line-height: 1.8; }
.registration-fallback a { color: var(--ink); font-weight: 600; }
.registration-note { font-size: 10px; color: var(--muted); margin-top: 10px; }
.questions { border-top: 1px solid var(--line); }
.questions-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 105px; }
.faq-list details { padding-block: 21px; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-size: 14px; font-weight: 500; padding-right: 16px; }
.faq-list details p { color: var(--muted); font-size: 13px; margin-top: 16px; }
.site-footer { background: #1a1a1a; color: #d0cfca; padding-block: 32px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-inner img { width: 112px; }
.footer-inner p { font-size: 10px; }
.footer-inner > div { display: flex; gap: 25px; font-size: 11px; }
.footer-inner > div a { text-decoration: none; }
.footer-inner > div a:hover { color: #fff; }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .hero-grid { gap: 40px; }
  .conversation-grid, .evening-heading, .registration-grid, .questions-grid { gap: 50px; }
  .event-facts { gap: 18px; }
  .event-facts > div + div { padding-left: 18px; }
}
@media (max-width: 800px) {
  .hero { padding-top: 42px; }
  .hero-grid { grid-template-columns: 1fr; gap: 35px; }
  h1 { font-size: clamp(54px, 10vw, 76px); }
  .hero-description { max-width: 540px; }
  .event-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 35px; gap: 24px; }
  .event-facts > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .conversation-grid, .evening-heading, .registration-grid, .questions-grid { grid-template-columns: 1fr; gap: 40px; }
  .section { padding-block: 65px; }
  .evening-heading { gap: 0; }
  .evening-heading .eyebrow { margin-top: 0; }
  .evening-grid { gap: 24px; }
  .evening { padding-block: 60px; }
  .registration-panel { max-width: 652px; width: 100%; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 78px; gap: 12px; }
  .brand img { width: 100px; }
  .home-link { display: none; }
  .button-small { font-size: 10px; gap: 13px; padding-inline: 13px; }
  .eyebrow { font-size: 9px; margin-bottom: 22px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(45px, 12.2vw, 62px); }
  h2 { font-size: 37px; }
  .hero-lead { font-size: 18px; }
  .hero-action { gap: 16px; }
  .hero-action .button { padding-inline: 18px; gap: 24px; }
  .action-note { font-size: 9px; }
  .event-facts { column-gap: 15px; row-gap: 22px; padding-block: 24px; }
  .event-facts > div + div { padding-left: 15px; }
  .event-facts > div:nth-child(3) { padding-left: 0; }
  .event-facts strong { font-size: 11px; }
  .event-facts > div > span:last-child { font-size: 9px; }
  .evening-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 35px; }
  .evening-marker { margin-bottom: 14px; }
  .registration-panel { padding: 15px; }
  .panel-heading { font-size: 11px; }
  .footer-inner { flex-wrap: wrap; gap: 22px; }
  .footer-inner > div { width: 100%; gap: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}