:root {
  --yellow: #f4cf00;
  --yellow-bright: #ffda00;
  --ink: #13130f;
  --paper: #f3efe6;
  --rust: #a72716;
  --line: rgba(19, 19, 15, 0.22);
  --content: min(1180px, calc(100vw - 48px));
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink);
  background: rgba(244, 207, 0, 0.94);
  border-bottom: 1px solid rgba(19, 19, 15, 0.65);
  backdrop-filter: blur(10px);
}

.wordmark {
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-decoration: none;
  line-height: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  font: inherit;
}

.hero {
  min-height: 100svh;
  padding: 130px max(24px, calc((100vw - 1180px) / 2)) 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  align-items: center;
  gap: clamp(40px, 7vw, 110px);
  background: var(--yellow);
}

.eyebrow {
  margin: 0 0 20px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(3.7rem, 8.6vw, 8.8rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.78;
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
}

.hero h1 span:nth-child(2) {
  font-size: 0.58em;
  letter-spacing: -0.055em;
  line-height: 1.1;
  margin: 0.16em 0;
}

.hero blockquote {
  max-width: 600px;
  margin: 46px 0 38px;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-style: italic;
}

.hero blockquote cite {
  font-size: 0.7em;
  white-space: nowrap;
}

.hero__poster {
  margin: 0;
  transform: rotate(1.8deg);
  box-shadow: 20px 24px 0 rgba(19, 19, 15, 0.16);
}

.hero__poster img {
  width: 100%;
  border: 1px solid var(--ink);
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 13px 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
}

.button--dark {
  color: var(--paper);
  background: var(--ink);
}

.button--dark:hover,
.button--dark:focus-visible {
  color: var(--ink);
  background: transparent;
}

.button--light {
  color: var(--ink);
  background: var(--yellow);
}

.button--light:hover,
.button--light:focus-visible {
  color: var(--yellow);
  background: transparent;
}

.section {
  padding: clamp(80px, 11vw, 150px) max(24px, calc((100vw - 1180px) / 2));
}

.section-heading {
  margin-bottom: clamp(48px, 8vw, 90px);
  display: grid;
  grid-template-columns: 70px minmax(300px, 1fr) minmax(260px, 0.7fr);
  gap: 24px;
}

.section-heading--light .section-number {
  color: var(--yellow);
}

.section-number {
  margin: 4px 0 0;
  font-size: 0.7rem;
  font-weight: 800;
}

.section-heading h2 {
  max-width: 700px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5.3vw, 5.3rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.section-intro {
  margin: 2px 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
}

.watch,
.organizers {
  color: var(--paper);
  background: var(--ink);
}

.video-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(243, 239, 230, 0.42);
}

.video-shell iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  position: absolute;
  inset: 0;
}

.video-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.video-placeholder__overlay {
  position: absolute;
  inset: 0;
  padding: clamp(22px, 5vw, 70px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  background: linear-gradient(110deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.08));
}

.video-placeholder__overlay p {
  max-width: 720px;
  margin: auto 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 5.6vw, 5.5rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.live-mark {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.live-mark span {
  width: 10px;
  height: 10px;
  background: #f13a24;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(241, 58, 36, 0.18);
}

.video-placeholder__date {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.video-caption {
  margin: 12px 0 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: rgba(243, 239, 230, 0.66);
  font-size: 0.72rem;
}

.about__editorial {
  display: grid;
  grid-template-columns: minmax(340px, 0.75fr) minmax(480px, 1.25fr);
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
}

.about {
  color: var(--ink);
  background: #f3efe4;
}

.about__heading {
  position: sticky;
  top: 125px;
}

.about__kicker {
  margin: 0 0 clamp(42px, 6vw, 76px);
  display: flex;
  gap: 28px;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about__heading h2 {
  margin: 0 0 clamp(24px, 3vw, 38px);
  max-width: 100%;
  font-family: var(--sans);
  font-size: clamp(4rem, 6.15vw, 6.8rem);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.83;
  text-transform: uppercase;
}

.about__byline {
  max-width: 520px;
  margin: 0;
  color: rgba(19, 19, 15, 0.68);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.9vw, 1.65rem);
  line-height: 1.4;
}

.about__copy {
  max-width: 720px;
  font-family: var(--serif);
  font-size: clamp(1.18rem, 1.75vw, 1.55rem);
  line-height: 1.48;
}

.about__copy p {
  margin: 0 0 1.55em;
}

.about__copy .about__intro {
  margin-bottom: 1.7em;
  font-size: clamp(1.55rem, 2.55vw, 2.25rem);
  line-height: 1.35;
}

.about__copy strong {
  font-weight: 700;
  background: linear-gradient(transparent 68%, rgba(244, 207, 0, 0.68) 68%);
}

.topics {
  margin-top: clamp(90px, 13vw, 170px);
}

.topics > .eyebrow {
  margin-bottom: 28px;
}

.topic-list {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.topic-list article {
  min-height: 118px;
  padding: 25px 0;
  display: grid;
  grid-template-columns: 70px minmax(260px, 0.75fr) minmax(280px, 1fr);
  gap: 24px;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}

.topic-list article:last-child {
  border-bottom: 0;
}

.topic-list article > span {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.topic-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.45rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.topic-list p {
  max-width: 46ch;
  margin: 0;
  font-size: 0.92rem;
}

.participants {
  background: var(--yellow);
}

.participant-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: participant;
  columns: 2;
  column-gap: clamp(40px, 8vw, 110px);
}

.participant-list li {
  padding: 15px 0;
  display: flex;
  gap: 16px;
  align-items: baseline;
  break-inside: avoid;
  border-bottom: 1px solid rgba(19, 19, 15, 0.5);
  counter-increment: participant;
}

.participant-list li::before {
  content: counter(participant, decimal-leading-zero);
  width: 32px;
  flex: 0 0 32px;
  font-size: 0.65rem;
  font-weight: 800;
}

.participant-list span {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.2vw, 1.75rem);
  line-height: 1.2;
}

.participant-list abbr {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.organizer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid rgba(243, 239, 230, 0.35);
}

.organizer-grid article {
  min-height: 390px;
  padding: 38px 38px 44px 0;
}

.organizer-grid article + article {
  padding-left: 38px;
  border-left: 1px solid rgba(243, 239, 230, 0.35);
}

.organizer-role {
  margin: 0 0 90px;
  color: var(--yellow);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.organizer-grid h3 {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.organizer-grid article p:last-child {
  max-width: 520px;
  margin: 0;
  color: rgba(243, 239, 230, 0.74);
}

.closing {
  padding: clamp(110px, 16vw, 220px) 0 20px;
  text-align: center;
}

.closing > p {
  margin: 0 0 16px;
  color: var(--yellow);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.closing h2 {
  margin: 0 0 50px;
  font-family: var(--serif);
  font-size: clamp(3.3rem, 8vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.contact-strip {
  padding: clamp(84px, 12vw, 170px) 0 78px;
  color: var(--paper);
  background: var(--ink);
}

.contact-intro {
  width: var(--content);
  margin: 0 auto clamp(48px, 6vw, 80px);
}

.contact-intro h2 {
  margin: 0 0 28px;
  color: var(--yellow);
  font-family: var(--sans);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.86;
  text-transform: uppercase;
}

.contact-intro p {
  max-width: 820px;
  margin: 0;
  color: rgba(243, 239, 230, 0.72);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.5;
}

.contact-grid {
  width: var(--content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}

.contact-card {
  min-width: 0;
  padding: 30px clamp(22px, 3vw, 52px) 16px;
  color: var(--paper);
  background: #292826;
  border-top: 4px solid var(--yellow);
}

.contact-method {
  min-width: 0;
  min-height: 108px;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 28px;
  gap: 24px;
  align-items: center;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 239, 230, 0.18);
}

.contact-method:last-child {
  border-bottom: 0;
}

.contact-method__icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--yellow);
  background: rgba(243, 239, 230, 0.08);
  border-radius: 50%;
  font-size: 1.65rem;
  line-height: 1;
}

.contact-method__icon--whatsapp {
  font-size: 1.8rem;
}

.contact-method__icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.contact-method__text {
  min-width: 0;
  display: grid;
  gap: 5px;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.6vw, 1.45rem);
  overflow-wrap: anywhere;
}

.contact-method__text > span:first-child {
  color: rgba(243, 239, 230, 0.56);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-method__value {
  color: rgba(243, 239, 230, 0.94);
}

.contact-method__arrow {
  color: rgba(243, 239, 230, 0.48);
  font-size: 1.6rem;
  transition: color 160ms ease, transform 160ms ease;
}

.contact-method:hover .contact-method__arrow,
.contact-method:focus-visible .contact-method__arrow {
  color: var(--yellow);
  transform: translateX(4px);
}

.site-footer {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--ink);
  background: var(--yellow);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__poster {
    width: min(380px, 80vw);
    margin: 0 auto;
  }

  .section-heading {
    grid-template-columns: 48px 1fr;
  }

  .section-heading .section-intro {
    grid-column: 2;
  }

}

@media (max-width: 680px) {
  :root {
    --content: calc(100vw - 32px);
  }

  body {
    font-size: 16px;
  }

  .site-header {
    height: 62px;
    padding: 0 16px;
    backdrop-filter: none;
  }

  .wordmark {
    font-size: 0.58rem;
  }

  .menu-button {
    position: relative;
    z-index: 22;
    padding: 9px 0 9px 14px;
    display: inline-flex;
    gap: 10px;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .menu-button__icon,
  .menu-button__icon::before,
  .menu-button__icon::after {
    width: 20px;
    height: 1px;
    display: block;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .menu-button__icon {
    position: relative;
  }

  .menu-button__icon::before,
  .menu-button__icon::after {
    position: absolute;
    content: "";
  }

  .menu-button__icon::before {
    transform: translateY(-6px);
  }

  .menu-button__icon::after {
    transform: translateY(6px);
  }

  .menu-button[aria-expanded="true"] .menu-button__icon {
    background: transparent;
  }

  .menu-button[aria-expanded="true"] .menu-button__icon::before {
    transform: rotate(45deg);
  }

  .menu-button[aria-expanded="true"] .menu-button__icon::after {
    transform: rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 21;
    padding: 100px 24px 40px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    background: var(--yellow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 13vw, 4.3rem);
    font-weight: 400;
    letter-spacing: -0.045em;
    line-height: 1;
    text-transform: none;
  }

  .hero {
    padding: 110px 16px 70px;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 18vw, 5.4rem);
  }

  .hero blockquote {
    margin-top: 34px;
  }

  .section {
    padding: 78px 16px;
  }

  .section-heading {
    margin-bottom: 46px;
    grid-template-columns: 36px 1fr;
    gap: 10px;
  }

  .section-heading .section-intro {
    grid-column: 1 / -1;
    margin-top: 20px;
  }

  .section-heading h2 {
    font-size: clamp(2.7rem, 14vw, 4.4rem);
  }

  .video-caption {
    flex-direction: column;
    gap: 3px;
  }

  .about__editorial {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .about__heading {
    position: static;
  }

  .about__kicker {
    margin-bottom: 34px;
  }

  .about__heading h2 {
    font-size: clamp(2.35rem, 12.5vw, 3.2rem);
  }

  .about__copy {
    font-size: 1.1rem;
  }

  .about__copy .about__intro {
    font-size: 1.55rem;
  }

  .topics {
    margin-top: 90px;
  }

  .topic-list article {
    min-height: 0;
    padding: 24px 0 28px;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px 12px;
  }

  .topic-list article > span {
    grid-row: 1 / span 2;
  }

  .topic-list p {
    grid-column: 2;
  }

  .participant-list {
    columns: 1;
  }

  .participant-list span {
    font-size: 1.25rem;
  }

  .organizer-grid {
    grid-template-columns: 1fr;
  }

  .organizer-grid article {
    min-height: auto;
    padding: 30px 0 50px;
  }

  .organizer-grid article + article {
    padding: 50px 0;
    border-left: 0;
  }

  .organizer-role {
    margin-bottom: 55px;
  }

  .site-footer {
    padding: 18px 16px;
    flex-direction: column;
    gap: 4px;
  }

  .contact-strip {
    padding: 82px 0 42px;
  }

  .contact-card {
    padding: 12px 18px 4px;
  }

  .contact-intro {
    margin-bottom: 38px;
  }

  .contact-intro h2 {
    margin-bottom: 22px;
    font-size: clamp(4rem, 17vw, 5.2rem);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-method {
    min-height: 92px;
    grid-template-columns: 52px minmax(0, 1fr) 22px;
    gap: 14px;
  }

  .contact-method__icon {
    width: 46px;
    height: 46px;
  }

  .contact-method__icon svg {
    width: 23px;
    height: 23px;
  }

  .contact-method__text {
    font-size: 1rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
