:root {
  --ink: #071012;
  --ink-soft: #173033;
  --paper: #f5f4ee;
  --paper-soft: #e8e9e0;
  --mint: #b9f7c2;
  --aqua: #69e4dc;
  --coral: #ff926d;
  --line: rgba(7, 16, 18, .15);
  --sans: "Space Grotesk", "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: "Iowan Old Style", Baskerville, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 10; padding: .7rem 1rem; transform: translateY(-160%); background: var(--mint); font-weight: 700; text-decoration: none; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(100% - 3rem, 1120px); margin-inline: auto; }
.topbar { border-bottom: 1px solid var(--line); background: var(--paper); }
.topbar .container { display: flex; min-height: 4.7rem; align-items: center; justify-content: space-between; gap: 1rem; }
.brand, .back { font-size: .77rem; font-weight: 750; letter-spacing: .07em; text-decoration: none; text-transform: uppercase; }
.back { color: #406064; }
.back:hover { color: var(--ink); }
.intro { padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 1.2rem; color: #397569; font-size: .76rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--display); font-weight: 500; letter-spacing: -.04em; }
h1 { max-width: 15ch; margin-bottom: 1.5rem; font-size: clamp(2.5rem, 6vw, 5.4rem); line-height: .94; }
.lede { max-width: 70ch; color: var(--ink-soft); font-size: clamp(1rem, 1.55vw, 1.2rem); line-height: 1.6; }
.facts { display: grid; margin: 2.5rem 0 0; border-top: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); }
.facts div { min-height: 6.7rem; padding: 1.25rem 1.25rem 1.25rem 0; border-bottom: 1px solid var(--line); }
.facts div + div { padding-left: 1.25rem; border-left: 1px solid var(--line); }
dt { margin-bottom: .38rem; color: #587174; font-size: .7rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
dd { margin: 0; font-size: .95rem; line-height: 1.45; }
.recording { margin-top: 2.75rem; }
.recording-label { margin-bottom: .75rem; color: #397569; font-size: .76rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.recording-copy { margin-bottom: 1rem; color: var(--ink-soft); line-height: 1.5; }
.recording-frame { overflow: hidden; width: 100%; aspect-ratio: 16 / 9; background: var(--ink); }
.recording-frame iframe { display: block; width: 100%; height: 100%; border: 0; }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, .85fr) minmax(16rem, 1.15fr); gap: 2rem; margin-bottom: 2.5rem; }
.section-heading--compact { grid-template-columns: 1fr; }
h2 { margin-bottom: 0; font-size: clamp(2.15rem, 4vw, 3.6rem); line-height: .98; }
.section-heading p { max-width: 58ch; margin: .5rem 0 0; color: var(--ink-soft); line-height: 1.6; }
.speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.speaker { min-height: 13rem; padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.speaker.has-image { display: grid; grid-template-columns: 5.8rem 1fr; gap: 1rem; align-items: center; }
.portrait { width: 5.8rem; height: 5.8rem; object-fit: cover; object-position: center center; border-radius: 50%; background: var(--paper-soft); }
.speaker h3 { margin-bottom: .25rem; font-size: 1rem; letter-spacing: -.02em; }
.speaker p { margin-bottom: 0; color: #587174; font-size: .86rem; line-height: 1.4; }
.programme { display: grid; border-top: 1px solid var(--line); }
.slot { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 1.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.slot-meta { display: grid; align-content: start; gap: .28rem; }
.slot-speaker { color: #397569; font-size: .82rem; font-weight: 750; letter-spacing: .04em; }
.slot time { color: #587174; font-size: .77rem; font-weight: 650; letter-spacing: .03em; }
.slot h3 { margin-bottom: .3rem; font-size: 1rem; }
.slot p { margin-bottom: 0; color: #587174; font-size: .9rem; line-height: 1.5; }
.abstract-list { display: grid; border-top: 1px solid var(--line); }
.abstract { padding: 1.65rem 0; border-bottom: 1px solid var(--line); }
.abstract h3 { margin-bottom: .8rem; font-size: 1.08rem; letter-spacing: -.02em; }
.abstract p { max-width: 78ch; margin-bottom: .85rem; color: var(--ink-soft); font-size: .95rem; line-height: 1.65; }
.abstract p:last-child { margin-bottom: 0; }
.source { display: inline-block; margin-top: 2rem; color: #235f58; font-size: .86rem; font-weight: 750; text-underline-offset: .22em; }
.footer { padding: 2rem 0; background: var(--ink); color: var(--paper); }
.footer .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .8rem; }
.footer a { color: var(--mint); }
@media (max-width: 760px) {
  .container { width: min(100% - 2rem, 1120px); }
  .facts, .section-heading { grid-template-columns: 1fr; }
  .facts div + div { padding-left: 0; border-left: 0; }
  .facts div { min-height: 0; }
  .speaker-grid { grid-template-columns: 1fr; }
  .slot { grid-template-columns: 1fr; gap: .4rem; }
  .footer .container { align-items: flex-start; flex-direction: column; }
}