:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #5d6570;
  --paper: #f7f6f2;
  --panel: #ffffff;
  --band: #eceff1;
  --line: #d8d6cc;
  --navy: #17324d;
  --teal: #0e7774;
  --rust: #b04c2e;
  --gold: #c49a43;
  --shadow: 0 18px 50px rgba(23, 50, 77, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 14px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(247, 246, 242, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-size: 0.96rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border: 3px solid var(--teal);
  background: var(--gold);
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

nav a {
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--navy);
  background: #ffffff;
  outline: none;
}

.hero,
.section,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: block;
  padding: 78px 0 46px;
}

.hero-copy {
  max-width: none;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--rust);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  color: var(--navy);
  font-size: 4.8rem;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 2.25rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.25;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.68;
}

.lede {
  max-width: none;
  margin: 26px 0 0;
  color: #3f4852;
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  border-radius: 8px;
  padding: 0 16px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #ffffff;
  background: var(--navy);
}

.button.secondary {
  color: var(--navy);
  background: transparent;
}

.button:hover,
.button:focus-visible {
  border-color: var(--teal);
  outline: none;
}

.section {
  padding: 74px 0;
}

.band {
  width: 100%;
  max-width: none;
  padding: 74px max(24px, calc((100vw - 1180px) / 2));
  background: var(--band);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 40px;
  align-items: start;
}

.section-head {
  max-width: none;
  margin-bottom: 28px;
}

.note-panel {
  border-left: 4px solid var(--teal);
  padding: 20px 0 20px 22px;
}

.note-panel p {
  margin-bottom: 0;
}

.question-grid,
.speaker-grid,
.organizer-grid {
  display: grid;
  gap: 16px;
}

.question-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.question-grid article,
.person-card,
.date-list,
.organizer-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.question-grid article {
  padding: 20px;
}

.question-grid p,
.speaker-grid p {
  margin-bottom: 0;
}

.schedule {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.schedule li {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.schedule time {
  color: var(--rust);
  font-size: 0.9rem;
  font-weight: 900;
}

.schedule span {
  color: var(--ink);
  font-weight: 800;
}

.speaker-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.person-card {
  overflow: hidden;
}

.person-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--band);
}

.speaker-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 330px;
}

.speaker-card div {
  padding: 22px;
}

.person-card a {
  color: var(--navy);
  font-size: 1.1rem;
  font-weight: 900;
  text-decoration-color: rgba(14, 119, 116, 0.45);
  text-underline-offset: 4px;
}

.speaker-grid span {
  display: inline-block;
  margin-top: 14px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.date-list {
  overflow: hidden;
}

.date-list div {
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding: 18px 20px;
}

.date-list div:last-child {
  border-bottom: 0;
}

.date-list span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.date-list strong {
  color: var(--navy);
  font-size: 1.15rem;
}

.wide-copy {
  max-width: 920px;
}

.organizer-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.organizer-card {
  display: grid;
  grid-template-rows: auto auto 1fr;
  min-height: 260px;
}

.organizer-card a {
  margin: 16px 16px 0;
  color: var(--navy);
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1.28;
  text-decoration-color: rgba(14, 119, 116, 0.45);
  text-underline-offset: 4px;
}

.organizer-grid span {
  display: block;
  margin: 8px 16px 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 28px 0 38px;
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--navy);
  font-weight: 800;
  text-decoration-color: rgba(14, 119, 116, 0.45);
  text-underline-offset: 3px;
}

@media (max-width: 1040px) {
  .question-grid,
  .speaker-grid,
  .organizer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero,
  .section,
  .site-footer {
    width: min(100% - 32px, 1180px);
  }

  h1 {
    font-size: 2.65rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .split,
  .schedule,
  .question-grid,
  .speaker-grid,
  .organizer-grid {
    grid-template-columns: 1fr;
  }

  .schedule li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .hero {
    padding: 44px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}