:root {
  --blue: #2f6cf4;
  --blue-deep: #1655e8;
  --ink: #111318;
  --paper: #f7f8fa;
  --white: #ffffff;
  --muted: #626770;
  --line: #dadddf;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  min-height: 76px;
  padding: 0 4vw;
  border-bottom: 1px solid rgba(17, 19, 24, 0.13);
  background: rgba(247, 248, 250, 0.92);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  width: max-content;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -0.02em;
}
.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.site-header nav {
  display: flex;
  gap: 2rem;
}
.site-header nav a,
.header-cta {
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
}
.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--blue-deep);
}
.header-cta {
  justify-self: end;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5.5rem) 2rem clamp(4rem, 7vw, 6.5rem);
}
.eyebrow,
.section-label {
  margin: 0 0 1.5rem;
  color: var(--blue-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-size: clamp(5rem, 12.4vw, 11rem);
  font-weight: 820;
  letter-spacing: -0.085em;
  line-height: 0.74;
  text-transform: uppercase;
}
.hero h1 span {
  color: var(--blue);
}
.hero-lead {
  max-width: 700px;
  margin: 3rem 0 0;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  font-weight: 520;
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  margin-top: 2.2rem;
}
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  font-weight: 720;
  text-decoration: none;
}
.button-dark {
  background: var(--ink);
  color: var(--white);
}
.button-light {
  background: var(--white);
  color: var(--ink);
}
.button:hover {
  transform: translateY(-2px);
}
.text-link {
  font-weight: 700;
  text-underline-offset: 0.25em;
}
.event-card {
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: var(--blue);
  color: var(--white);
}
.event-card-mark {
  display: grid;
  grid-template-columns: repeat(2, 42px);
  gap: 5px;
  margin-bottom: 5rem;
}
.event-card-mark span {
  width: 42px;
  height: 42px;
  border: 4px solid var(--white);
  border-radius: 70% 10% 70% 10%;
}
.event-card-mark span:nth-child(2),
.event-card-mark span:nth-child(3) {
  background: var(--white);
}
.event-card > p {
  max-width: 16rem;
  margin: 0 0 2rem;
  font-size: 1.3rem;
  font-weight: 650;
  line-height: 1.25;
}
.event-card dl {
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}
.event-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}
.event-card dt {
  opacity: 0.75;
}
.event-card dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}
.event-card-cta {
  width: 100%;
  margin-top: 1.25rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(5.5rem, 10vw, 9rem) 2rem;
}
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: clamp(3rem, 9vw, 9rem);
}
.intro h2,
.section-heading h2,
.people h2 {
  margin: 0;
  font-size: clamp(2.7rem, 5.5vw, 5.4rem);
  letter-spacing: -0.065em;
  line-height: 0.98;
}
.intro-copy {
  font-size: 1.18rem;
}
.intro-copy p:first-child {
  margin-top: 0;
}
.accent-question {
  margin-top: 2.3rem;
  padding-left: 1rem;
  border-left: 4px solid var(--blue);
  font-weight: 750;
}
.section-heading {
  margin-bottom: 3.5rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.speaker-card {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--white);
}
.speaker-card.featured {
  grid-row: span 2;
  height: 636px;
  min-height: 636px;
  padding: 0;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
}
.speaker-card-media {
  min-height: 0;
  flex: 0 0 62%;
  overflow: hidden;
}
.speaker-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.speaker-card-content {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  background: linear-gradient(to bottom, rgba(22, 85, 232, 0.9), var(--blue));
}
.speaker-card-with-photo {
  padding: 0;
  overflow: hidden;
}
.speaker-card-thumbnail {
  height: 145px;
  flex: 0 0 145px;
  overflow: hidden;
}
.speaker-card-thumbnail img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.speaker-card-info {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem 1.5rem 1.5rem;
}
.card-number {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  opacity: 0.65;
}
.speaker-card h3 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1;
}
.speaker-card p {
  max-width: 32rem;
  margin: 0.45rem 0;
  font-size: 1.05rem;
}
.speaker-card .role {
  opacity: 0.72;
}
.speaker-card a {
  display: inline-block;
  margin-top: 1.5rem;
  font-weight: 700;
  text-underline-offset: 0.25em;
}
.split-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.6fr;
  gap: 3rem;
  align-items: end;
}
.split-heading > p {
  max-width: 27rem;
  margin: 0;
  font-size: 1.13rem;
  color: var(--muted);
}
.workshop-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}
.workshop-list li {
  display: grid;
  grid-template-columns: 60px 1fr minmax(180px, 0.45fr);
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}
.workshop-index {
  color: var(--blue-deep);
  font-size: 0.8rem;
  font-weight: 800;
}
.workshop-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  letter-spacing: -0.035em;
}
.workshop-list p {
  margin: 0;
  color: var(--muted);
}
.workshop-list strong {
  font-size: 0.98rem;
}
.workshop-list a {
  text-underline-offset: 0.2em;
}
.mobile-registration {
  display: none;
}

.panel {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(3rem, 8vw, 8rem);
  max-width: none;
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 2rem));
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 2rem));
  background: var(--ink);
  color: var(--white);
}
.section-label.light {
  color: #83a9ff;
}
.panel h2 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.8rem, 5.5vw, 5.3rem);
  letter-spacing: -0.065em;
  line-height: 1;
}
.panel-people {
  align-self: end;
}
.panel-people article {
  padding: 1.4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.panel-people article:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}
.panel-people h3 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}
.panel-people p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
}

.people h2 {
  max-width: 820px;
}
.people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 4rem;
}
.person-card {
  display: flex;
  min-height: 180px;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.4rem;
  border-top: 4px solid var(--blue);
  background: var(--white);
}
.person-card-photo {
  gap: 0;
  padding: 0 0 1.4rem;
  overflow: hidden;
}
.person-card-media {
  width: 100%;
  height: 270px;
  overflow: hidden;
}
.person-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
}
.person-card-photo:nth-child(2) .person-card-media img {
  object-position: center 36%;
}
.person-card-copy {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem 0 1.4rem 1.4rem;
}
.music-card {
  background: var(--blue);
  color: var(--white);
}
.people-grid span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.music-card span {
  color: rgba(255, 255, 255, 0.72);
}
.people-grid strong {
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.closing {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 13vw, 11rem)
    max(2rem, calc((100vw - var(--max)) / 2 + 2rem));
  background: var(--blue);
  color: var(--white);
}
.closing > *:not(.closing-mark) {
  position: relative;
  z-index: 1;
}
.closing p {
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.closing h2 {
  max-width: 950px;
  margin: 0 0 2.5rem;
  font-size: clamp(3.3rem, 8vw, 7.5rem);
  letter-spacing: -0.075em;
  line-height: 0.92;
}
.closing-mark {
  position: absolute;
  right: -7rem;
  bottom: -8rem;
  opacity: 0.13;
  transform: rotate(-9deg);
}
.closing-mark img {
  width: clamp(360px, 48vw, 700px);
  height: auto;
  filter: grayscale(1) brightness(4);
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 4vw;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}
footer p {
  margin: 0;
}

*:focus-visible {
  outline: 3px solid #ffca3a;
  outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button:hover {
    transform: none;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 66px;
    padding: 0 1.25rem;
  }
  .site-header nav {
    display: none;
  }
  .header-cta {
    font-size: 0.78rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 3.5rem 1.25rem 2.5rem;
  }
  .hero h1 {
    font-size: clamp(4.5rem, 23vw, 8rem);
  }
  .event-card-mark {
    margin-bottom: 3rem;
  }
  .section {
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }
  .intro-grid,
  .split-heading,
  .panel {
    grid-template-columns: 1fr;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .speaker-card.featured {
    grid-row: auto;
    height: auto;
    min-height: 0;
  }
  .speaker-card-media {
    flex: 0 0 auto;
    height: 220px;
  }
  .speaker-card-content {
    flex: none;
    min-height: 0;
  }
  .workshop-list li {
    grid-template-columns: 42px 1fr;
  }
  .workshop-list strong {
    grid-column: 2;
  }
  .panel {
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }
  .people-grid {
    grid-template-columns: 1fr;
  }
  .person-card {
    min-height: 140px;
  }
  body {
    padding-bottom: 4.5rem;
  }
  .mobile-registration {
    position: fixed;
    z-index: 30;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background: var(--blue);
    color: var(--white);
    font-weight: 750;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(17, 19, 24, 0.2);
  }
  footer {
    flex-direction: column;
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }
}

@media (max-width: 430px) {
  .brand span {
    display: none;
  }
  .hero h1 {
    font-size: 4.35rem;
  }
  .hero-lead {
    font-size: 1.25rem;
  }
  .event-card dl div {
    flex-direction: column;
    gap: 0.15rem;
  }
  .event-card dd {
    text-align: left;
  }
}
