:root {
  --bg: #fefbf6;
  --surface: #fefbf6;
  --surface-strong: #ebe2d3;
  --text: #333333;
  --muted: #333333;
  --line: #e8e7e4;
  --accent: #333333;
  --accent-strong: #333333;
  --shadow: none;
  --radius: 8px;
  --radius-sm: 0;
  --container: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

@media (max-width: 700px) {
  body {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .container {
    width: 100%;
    max-width: none;
  }
}

.section {
  position: relative;
  padding: 4rem 0;
  border-top: 1px solid var(--line);
}

.section-tint {
  background: transparent;
  border-bottom: 0;
}

.section-tint::before,
#schedule::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  background: inherit;
  z-index: -1;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.section-grid {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

h1,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1,
h2 {
  margin: 0;
  line-height: 1.07;
  letter-spacing: -0.04em;
  font-weight: 700;
}

h1 {
  font-size: 4.1rem;
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

p + p {
  margin-top: 1rem;
}

.eyebrow,
.panel-label,
.submission-label {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
  background: rgba(254, 251, 246, 0.92);
  border-bottom: 1px solid var(--line);
}

section[id] {
  scroll-margin-top: 70px;
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  background: inherit;
  backdrop-filter: inherit;
  z-index: -1;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

.brand {
  display: grid;
  gap: 0.15rem;
}

.brand-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--text);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.site-nav .button {
  color: #fff;
}

.site-nav .button:hover,
.site-nav .button:focus-visible {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.8rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--text);
  color: #fff;
  font-weight: 600;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button > span[aria-hidden="true"] {
  margin-left: 0.35rem;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  background: #333333;
}

.button-ticket,
.button-ticket:hover,
.button-ticket:focus-visible {
  background: #DF6700;
  border-color: #DF6700;
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: rgba(51, 51, 51, 0.05);
}

.hero-actions .button-ghost {
  background: #fff;
}

.hero-actions .button-ghost:hover,
.hero-actions .button-ghost:focus-visible {
  background: #f5f5f5;
}

.button-small {
  min-height: 38px;
  padding: 0.65rem 0.95rem;
}

.hero {
  position: relative;
  overflow: clip;
  min-height: max(66vh, 30rem);
  padding-top: 3rem;
  border-top: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(300px, 0.92fr);
  grid-template-areas: "copy visual";
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: stretch;
}

.hero-copy {
  grid-area: copy;
  display: grid;
  gap: 1.25rem;
  max-width: 720px;
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

.hero-visual {
  grid-area: visual;
  position: relative;
  align-self: stretch;
  margin-top: 0.35rem;
  min-height: clamp(26rem, 46vw, 38rem);
  overflow: hidden;
}

.hero-frame-1 {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
}

.hero-frame-1 {
  opacity: 1;
}

.hero-subtitle {
  margin: -0.2rem 0 -1rem;
  font-size: 2.14rem;
  line-height: 1.25;

  font-weight: 700;
  color: var(--text);
  text-shadow: 0 1px 10px rgba(254, 251, 246, 0.72);
}

.hero-text {
  max-width: 60ch;
  font-size: 1rem;
  color: var(--text);
  text-shadow: 0 1px 10px rgba(254, 251, 246, 0.72);
}

.hero-copy h1,
.hero-copy .eyebrow,
.hero-copy .hero-subtitle,
.hero-copy .hero-text,
.hero-copy .hero-actions,
.hero-copy .event-meta,
.hero-copy .hero-affiliation {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  text-shadow: 0 2px 16px rgba(254, 251, 246, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.event-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 0;
  padding: 1rem 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.event-meta > div {
  display: grid;
  gap: 0.2rem;
}

.event-meta dt {
  margin-bottom: 0.4rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.event-meta dd {
  margin: 0;
  font-weight: 700;
  line-height: 1.5;
}

.venue-link {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.venue-link:hover,
.venue-link:focus-visible {
  text-decoration-thickness: 2px;
}

.inline-link {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.inline-link:hover,
.inline-link:focus-visible {
  text-decoration-thickness: 2px;
}

.hero-affiliation {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
  justify-content: flex-start;
  width: 100%;
  margin-top: 0.45rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  flex-direction: column;
  gap: 0.6rem;
}

.hero-affiliation-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
  padding-bottom: 0.8rem;
 
}

.hero-affiliation-logo {
  display: block;
  flex: 0 1 auto;
  width: auto;
  height: 45px;
  margin-left: 0;
  padding-top: 0;
  object-fit: contain;
}

.hero-affiliation-logo-link {
  align-self: flex-start;
}

.hero-affiliation-logo-link:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
  border-radius: 14px;
}

#contact .hero-affiliation-logo-link {
  display: inline-block;
  margin: 1.25rem 0 1.75rem;
}

.hero-affiliation-logo-single {
  width: auto;
  height: 135px;
  max-width: 100%;
  margin-left: 0;
  align-self: flex-start;
  padding: 1.8rem 1.725rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.panel-card,
.pricing-card,
.submission-card,
.map-placeholder,
.speaker-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 1.6rem;
}

.panel-list,
.check-list,
.plain-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.panel-list li,
.check-list li,
.plain-list li {
  margin-bottom: 0.7rem;
  line-height: 1.6;
}

.card-grid,
.speaker-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  border-top: 0;
}

.program-activities {
  margin-top: 2rem;
}

.program-activities img {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
}

.activity-note {
  font-size: 0.82rem;
  font-style: italic;
}

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

.info-card {
  padding: 1.6rem;
  background: #EBE2D3;
  border-radius: var(--radius-sm);
}

.speaker-card {
  padding: 1.4rem;
  border-top: 0;
  border-left: 0;
  border-right: 0;
}

.speaker-grid .speaker-card:last-child {
  border-bottom: 0;
}

.section-intro {
  margin-bottom: 1.4rem;
}

#schedule {
  position: relative;
  background: #ebe2d3;
}

#schedule h2 + .schedule-table {
  margin-bottom: 2rem;
}

#schedule h2 + .schedule-table + h2 {
  margin-top: 1rem;
}

.schedule-table {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.schedule-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  padding: 0.95rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.schedule-session {
  font-weight: 600;
  color: var(--text);
}

.schedule-description {
  margin: 0.35rem 0 0;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.92rem;
}

.schedule-speaker {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.schedule-speaker + .schedule-speaker {
  margin-top: 0.4rem;
}

.schedule-speaker strong {
  color: var(--text);
}

.moderator-badge {
  display: inline-block;
  background: #f8ccac;
  color: var(--text);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-weight: 400;
}

.schedule-avatar {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid #cfcfcb;
  background: var(--bg);
  flex: 0 0 auto;
}

.schedule-head {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: transparent;
}

.speaker-card {
  text-align: left;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.speaker-card p {
  margin-bottom: 0.3rem;
}

.speaker-card span {
  color: var(--muted);
  font-size: 0.95rem;
}

.speaker-avatar {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 0 1rem;
  border-radius: 999px;
  object-fit: cover;
  background: var(--bg);
  border: 1px solid var(--line);
}

.speaker-content {
  min-width: 0;
}

.speaker-bio {
  margin-top: 0.7rem;
}

.speaker-bio a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.speaker-bio a:hover,
.speaker-bio a:focus-visible {
  text-decoration-thickness: 2px;
}

.pricing-card {
  margin: 1.5rem 0;
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
}

.pricing-row {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.pricing-row:last-child {
  border-bottom: 0;
}

.pricing-head {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-head small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--muted);
  margin-top: 0.2rem;
}

.pricing-note {
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.submission-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.25rem 0;
  margin: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 0;
  border-right: 0;
}

.submission-card strong {
  display: block;
  margin-top: 0.45rem;
  line-height: 1.45;
}

.organizer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 2rem;
}

.committee-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin: 0.75rem 0 1.5rem;
}

.committee-grid .schedule-speaker {
  margin-top: 0;
}

.plain-list {
  list-style: none;
  padding: 0;
}

.map-placeholder,
.map-embed {
  display: grid;
  place-items: center;
  min-height: 220px;
  margin-top: 1.5rem;
  color: var(--muted);
  background: var(--surface-strong);
}

.map-placeholder {
  border-style: dashed;
}

.map-embed {
  overflow: hidden;
  border: 1px solid var(--line);
}

.map-embed iframe {
  width: 100%;
  min-height: 360px;
  border: 0;
}

.venue-note {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.venue-note p {
  max-width: 70ch;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 700px) {
  .section-grid,
  .organizer-layout,
  .submission-card {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "visual"
      "copy";
    width: 100%;
    margin-left: 0;
  }

  .hero-visual {
    grid-area: visual;
    position: static;
    margin-top: 0;
    width: 100%;
    min-height: 0;
    height: auto;
    overflow: visible;
  }

  .hero-frame-1 {
    position: static;
    inset: auto;
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center top;
  }

  .section-label {
    margin-bottom: -1rem;
  }

  .event-meta,
  .card-grid,
  .speaker-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  .header-inner {
    min-height: 72px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(254, 251, 246, 0.98);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 0.7rem 0.2rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-copy {
    max-width: 100%;
  }

  .event-meta,
  .card-grid,
  .speaker-grid,
  .schedule-row {
    grid-template-columns: 1fr;
  }

  .speaker-card {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .speaker-avatar {
    margin-bottom: 0;
  }

  .schedule-table {
    padding: 0;
  }

  .schedule-head {
    display: none;
  }

  .schedule-row {
    gap: 0.35rem;
  }

  .pricing-row {
    grid-template-columns: minmax(0, 1.5fr) minmax(4.5rem, 0.75fr) minmax(4.5rem, 0.75fr);
    gap: 0.5rem;
    font-size: 0.88rem;
  }

  .pricing-head {
    font-size: 0.66rem;
    letter-spacing: 0.06em;
  }

  .pricing-head small {
    font-size: 0.64rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 0;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 3.75rem 0;
  }

  .container {
    width: min(calc(100% - 1.5rem), var(--container));
  }

  .hero-actions,
  .site-footer nav {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-small {
    width: 100%;
  }

  .event-meta,
  .card-grid,
  .speaker-grid {
    grid-template-columns: 1fr;
  }
}
