:root {
  --bg: #070a08;
  --panel: rgba(19, 27, 27, 0.88);
  --panel-strong: rgba(9, 14, 13, 0.96);
  --text: #f7f9f4;
  --muted: #b8c5c2;
  --green: #7bd400;
  --green-2: #a7ff3d;
  --cyan: #16d4c7;
  --line: rgba(123, 212, 0, 0.28);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 30%, rgba(123, 212, 0, 0.18), transparent 24rem),
    radial-gradient(circle at 85% 20%, rgba(22, 212, 199, 0.14), transparent 20rem),
    linear-gradient(135deg, #050706, #0d1110 48%, #030404);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(22, 212, 199, 0.12) 42.2% 42.6%, transparent 42.8%),
    linear-gradient(55deg, transparent 0 58%, rgba(123, 212, 0, 0.12) 58.2% 58.55%, transparent 58.8%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 76px);
  opacity: 0.8;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("../assets/background.png");
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  filter: saturate(1.1);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: 75px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 10, 8, 0.92);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #071008;
  background: var(--green);
  font-weight: 900;
  border-radius: 8px;
}

.brand strong {
  display: block;
  letter-spacing: 0;
}

.brand span {
  color: var(--muted);
  font-size: 0.84rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
}

.nav-links a:hover {
  color: var(--green-2);
}

.register-link,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 900;
}

.register-link,
.button-primary {
  color: #071008;
  background: var(--green);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 1.5rem;
}

.hero {
  min-height: 86vh;
  display: grid;
  align-items: center;
  padding: 72px 24px 48px;
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-2);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 960px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 8vw, 7.4rem);
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 span {
  color: var(--green);
}

.lead {
  max-width: 760px;
  color: #e6eee9;
  font-size: clamp(1.08rem, 2vw, 1.4rem);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 36px;
}

.meta-card,
.fact-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.07);
  padding: 16px;
  border-radius: 8px;
}

.meta-card span,
.fact-card span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 800;
}

.meta-card strong,
.fact-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1rem;
}

.poster-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(123, 212, 0, 0.24);
  border-radius: 8px;
  background: rgba(4, 7, 6, 0.9);
  box-shadow: var(--shadow);
}

.poster-panel img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.section {
  padding: 86px 24px;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head h2,
.detail-main h1 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.section-head p {
  max-width: 640px;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.about-panel {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
}

.about-panel h3 {
  font-size: 1.45rem;
}

.about-panel p,
.content-block p,
.speaker-detail-card small {
  color: var(--muted);
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.topic-list span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #dfffd0;
  background: rgba(123, 212, 0, 0.08);
  font-size: 1rem;
  font-weight: 900;
}

.organizer-panel {
  overflow: hidden;
}

.logo-strip,
.hotel-strip,
.poster-strip,
.speaker-strip {
  display: grid;
  grid-auto-flow: column;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 4px 0 18px;
  scrollbar-width: thin;
  touch-action: pan-y;
  user-select: none;
  cursor: grab;
}

.speaker-strip {
  display: grid;
  grid-auto-flow: row;
  gap: 14px;
  overflow: visible;
  padding-bottom: 0;
  scrollbar-width: none;
}

.logo-strip {
  grid-auto-columns: minmax(230px, 300px);
  margin-top: 18px;
  padding-bottom: 0;
  scrollbar-width: none;
}

.logo-strip::-webkit-scrollbar {
  display: none;
}

.speaker-strip::-webkit-scrollbar {
  display: none;
}

.logo-strip.is-dragging,
.hotel-strip.is-dragging,
.poster-strip.is-dragging,
.speaker-row.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}

.organizer-card {
  display: grid;
  place-items: center;
  min-height: 168px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  /* background: rgba(96, 146, 161, 0.24); */
  background: rgba(255, 255, 255, 0.98);
}

.organizer-card img {
  width: 100%;
  max-width: 230px;
  height: 112px;
  object-fit: contain;
}

.poster-strip {
  grid-auto-columns: minmax(260px, 360px);
}

.hotel-strip {
  grid-auto-columns: minmax(270px, 340px);
}

.poster-card {
  position: relative;
  display: grid;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
  cursor: zoom-in;
  overflow: hidden;
  outline: none;
}

.poster-card::after {
  content: "";
  position: absolute;
  inset: 16px;
  z-index: 1;
  border-radius: 6px;
  background: linear-gradient(180deg, transparent 45%, rgba(3, 6, 5, 0.9));
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.poster-card:hover,
.poster-card:focus,
.poster-card:focus-visible {
  border-color: var(--green);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.32);
}

.poster-card img {
  width: 100%;
  height: clamp(360px, 1vw, 520px);
  object-fit: contain;
  background: rgba(4, 7, 6, 0.88);
  border-radius: 6px;
}

.poster-card strong {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  z-index: 2;
  display: block;
  padding: 11px 12px;
  border: 1px solid rgba(167, 255, 61, 0.38);
  border-radius: 6px;
  color: var(--green-2);
  background: rgba(5, 9, 8, 0.88);
  font-size: 1rem;
  line-height: 1.3;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.poster-card:hover::after,
.poster-card:focus::after,
.poster-card:focus-visible::after,
.poster-card:hover strong,
.poster-card:focus strong,
.poster-card:focus-visible strong {
  opacity: 1;
  transform: translateY(0);
}

.poster-viewer-open {
  overflow: hidden;
}

.poster-viewer {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: clamp(16px, 3vw, 32px);
  background: rgba(2, 4, 4, 0.9);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.poster-viewer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.poster-viewer-panel {
  width: min(100%, 1120px);
  max-height: 92vh;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: 18px;
  align-items: stretch;
}

.poster-viewer-frame {
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: auto;
  border: 1px solid rgba(167, 255, 61, 0.25);
  border-radius: 8px;
  background: rgba(5, 8, 7, 0.98);
}

.poster-viewer-frame img {
  width: auto;
  max-width: 100%;
  max-height: calc(92vh - 36px);
  object-fit: contain;
}

.poster-viewer-info {
  min-height: 0;
  overflow-y: auto;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(167, 255, 61, 0.25);
  border-radius: 8px;
  background: rgba(5, 8, 7, 0.98);
}

.poster-viewer-info h3 {
  margin: 4px 0 20px;
  color: var(--text);
  font-size: clamp(1.55rem, 3vw, 2.4rem);
  line-height: 1.06;
}

.poster-viewer-info dl {
  margin: 0 0 22px;
}

.poster-viewer-info dt,
.poster-viewer-abstract h4 {
  margin: 0 0 6px;
  color: var(--green-2);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.poster-viewer-info dd {
  margin: 0;
  color: var(--text);
  font-weight: 800;
}

.poster-viewer-abstract p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.poster-viewer-close {
  position: fixed;
  top: clamp(14px, 2vw, 24px);
  right: clamp(14px, 2vw, 24px);
  z-index: 2001;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(167, 255, 61, 0.34);
  border-radius: 8px;
  color: var(--green-2);
  background: rgba(5, 9, 8, 0.9);
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
}

.poster-viewer-close:hover,
.poster-viewer-close:focus-visible {
  border-color: var(--green);
  color: #071008;
  background: var(--green);
}

.hotel-card,
.hotel-detail-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
}

.hotel-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 390px;
  overflow: hidden;
  padding: 0 0 18px;
}

.hotel-card img {
  width: 100%;
  height: 148px;
  object-fit: cover;
}

.hotel-card span,
.hotel-card h3,
.hotel-card p,
.hotel-card small,
.hotel-card .hotel-map-link {
  margin-left: 18px;
  margin-right: 18px;
}

.hotel-card span,
.hotel-zone {
  color: var(--green-2);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hotel-card h3,
.hotel-detail-card h3 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

.hotel-card p {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 800;
}

.hotel-card small,
.hotel-detail-card p,
.hotel-info dd {
  color: var(--muted);
}

.hotel-card .hotel-map-link {
  display: inline-flex;
  position: relative;
  z-index: 2;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  align-self: end;
  color: var(--green-2);
  font-weight: 900;
  white-space: nowrap;
  -webkit-tap-highlight-color: rgba(123, 212, 0, 0.28);
}

.hotel-more {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

.hotel-page {
  padding: 72px 24px 96px;
}

.hotel-feature-grid,
.hotel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hotel-feature-grid span,
.hotel-tags span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #dfffd0;
  background: rgba(123, 212, 0, 0.08);
  font-weight: 800;
}

.hotel-list {
  display: grid;
  gap: 16px;
}

.hotel-detail-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  gap: 18px;
  padding: 20px;
}

.hotel-detail-card > img {
  width: 220px;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.hotel-info {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

.hotel-info div {
  display: grid;
  gap: 2px;
}

.hotel-info dt {
  color: var(--green-2);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hotel-info dd {
  margin: 0;
}

.hotel-actions {
  display: grid;
  align-content: start;
  gap: 10px;
}

.speaker-card,
.speaker-detail-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.speaker-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.speaker-strip .speaker-card {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  min-height: 116px;
  position: relative;
}

.speaker-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 330px);
  gap: 16px;
  overflow-x: auto;
  touch-action: pan-y; 
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  cursor: grab;
}

.speaker-row::-webkit-scrollbar {
  display: none;
}

.speaker-strip .speaker-card img {
  width: 104px;
  height: 100%;
  min-height: 116px;
}

.speaker-strip .speaker-card div {
  align-self: center;
  padding: 14px;
}

.speaker-strip .speaker-card h3 {
  font-size: 1rem;
}

.speaker-strip .speaker-card p,
.speaker-strip .speaker-card span {
  font-size: 0.86rem;
}

.speaker-hover-bio,
.committee-hover-bio {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  align-items: center;
  margin: 0;
  padding: 14px 16px;
  color: #edf8f1;
  background: rgba(5, 9, 8, 0.94);
  border-left: 3px solid var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.36;
  opacity: 0;
  overflow-y: auto;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.speaker-strip .speaker-card:hover .speaker-hover-bio,
.speaker-strip .speaker-card.is-bio-visible .speaker-hover-bio,
.speaker-strip .speaker-card:focus .speaker-hover-bio,
.speaker-strip .speaker-card:focus-within .speaker-hover-bio {
  opacity: 1;
  transform: translateY(0);
}

.speaker-card div {
  padding: 18px;
}

.speaker-card h3,
.speaker-detail-card h3 {
  margin-bottom: 6px;
}

.speaker-card p,
.speaker-detail-card p {
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 800;
}

.speaker-card span,
.speaker-detail-card span {
  color: var(--green-2);
  font-weight: 800;
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.committee-page h1 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 0.96;
}

.committee-group {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.committee-group + .committee-group {
  margin-top: 54px;
}

.committee-group-head h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.committee-card {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  min-height: 116px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
}

.committee-card img {
  width: 88px;
  height: 100%;
  min-height: 116px;
  object-fit: cover;
}

.committee-card div {
  align-self: center;
  padding: 14px;
}

.committee-card h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.committee-card p {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 800;
}

.committee-card span {
  color: var(--green-2);
  font-size: 0.84rem;
  font-weight: 800;
}

.committee-card:hover .committee-hover-bio,
.committee-card.is-bio-visible .committee-hover-bio,
.committee-card:focus .committee-hover-bio,
.committee-card:focus-within .committee-hover-bio {
  opacity: 1;
  transform: translateY(0);
}

.program-mini {
  border-top: 1px solid var(--line);
}

.program-tabs,
.transport-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: rgba(1, 12, 2, 0.6);
}

.program-tab,
.transport-tab {
  min-height: 64px;
  border: 0;
  border-right: 1px solid var(--line);
  color: rgba(223, 255, 208, 0.64);
  background: transparent;
  font: inherit;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.program-tab:last-child,
.transport-tab:last-child {
  border-right: 0;
}

.program-tab span {
  display: inline-flex;
  margin-right: 10px;
  color: #071008;
  background: rgba(255, 255, 255, 0.76);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0;
}

.program-tab strong {
  color: inherit;
  font-size: clamp(0.86rem, 2vw, 1rem);
}

.program-tab.is-active,
.transport-tab.is-active {
  color: #071008;
  background: var(--green);
}

.program-panel,
.transport-panel {
  display: none;
}

.program-panel.is-active,
.transport-panel.is-active {
  display: block;
}

.program-day-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 0 16px;
}

.program-day-heading h3 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  text-transform: uppercase;
}

.timeline-list {
  display: grid;
}

.timeline-row {
  display: grid;
  grid-template-columns: 180px 118px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  min-height: 126px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-row:hover .timeline-copy strong {
  color: var(--green-2);
}

.timeline-row.is-disabled {
  cursor: default;
}

.timeline-row.is-disabled:hover .timeline-copy strong {
  color: var(--text);
}

.timeline-row time {
  color: var(--green);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
}

.track-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  width: max-content;
  max-width: 118px;
  padding: 0 12px;
  border: 1px solid rgba(123, 212, 0, 0.35);
  border-radius: 4px;
  color: #dfffcd;
  background: rgba(123, 212, 0, 0.08);
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.track-panel-1,
.track-panel-2,
.track-panel-3,
.track-panel-4,
.track-talk-1,
.track-talk-2,
.track-talk-3,
.track-talk-4,
.track-talk-5,
.track-talk-6 {
  border-color: rgba(22, 212, 199, 0.48);
  color: #a9f6ff;
  background: rgba(22, 212, 199, 0.1);
}

.track-keynote,
.track-workshop {
  border-color: rgba(123, 212, 0, 0.72);
  color: var(--green-2);
  background: rgba(123, 212, 0, 0.14);
}

.timeline-copy {
  display: grid;
  gap: 10px;
}

.timeline-copy strong {
  color: var(--text);
  font-size: clamp(1.08rem, 2vw, 1.38rem);
  line-height: 1.18;
}

.timeline-copy span {
  color: rgba(216, 238, 204, 0.68);
  font-size: 1rem;
}

.venue-section {
  padding-top: 96px;
}

.venue-head h2 {
  display: inline-block;
  /* padding: 14px 18px; */
  color: #f7f9f4;
  /* background: rgba(82, 124, 158, 0.88); */
}

.transport-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 34px;
}

.transport-tab {
  min-height: 58px;
}

.map-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #111;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: clamp(340px, 48vw, 520px);
  border: 0;
}

.venue-address,
.transport-card {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(1, 12, 2, 0.58);
}

.venue-address strong,
.venue-address span,
.venue-address a {
  display: block;
}

.venue-address strong {
  font-size: 1.2rem;
}

.venue-address span,
.transport-card p {
  margin-top: 8px;
  color: rgba(216, 238, 204, 0.7);
}

.venue-address a {
  margin-top: 14px;
  color: var(--green-2);
  font-weight: 900;
}

.transport-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.transport-card {
  min-height: 210px;
  margin-top: 0;
}

.transport-card span {
  color: var(--green-2);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.transport-card h3 {
  margin: 14px 0 0;
  font-size: 1.35rem;
}

.registration-band {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel-strong);
}

.registration-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 54px 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.registration-grid p {
  max-width: 680px;
  color: var(--muted);
}

.site-footer {
  padding: 42px 24px;
  color: var(--muted);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.session-page {
  padding: 72px 24px 96px;
}

.session-detail-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.detail-rail {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 12px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 6px;
  color: var(--green-2);
  font-weight: 900;
}

.detail-main {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(7, 10, 8, 0.72);
}

.content-block {
  margin-top: 34px;
}

.content-block h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.speaker-detail-list {
  display: grid;
  gap: 14px;
}

.speaker-detail-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 18px;
  padding: 14px;
}

.speaker-detail-card img {
  width: 128px;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.speaker-detail-card small {
  display: block;
  margin-top: 10px;
  font-size: 0.94rem;
}

@media (max-width: 920px) {
  .menu-button {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    left: 24px;
    right: 24px;
    top: calc(100% + 10px);
    display: none;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(7, 10, 8, 0.96);
    box-shadow: var(--shadow);
    gap: 8px;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    min-height: 44px;
  }

  .nav-links .register-link {
    width: 100%;
  }

  .nav-links.is-open {
    display: grid;
  }

  .hero-grid,
  .about-grid,
  .committee-grid,
  .transport-card-grid,
  .registration-grid,
  .session-detail-grid {
    grid-template-columns: 1fr;
  }

  .program-tabs,
  .transport-tabs {
    grid-template-columns: 1fr;
  }

  .program-tab,
  .transport-tab {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .program-tab:last-child,
  .transport-tab:last-child {
    border-bottom: 0;
  }

  .program-day-heading {
    display: grid;
  }

  .poster-viewer-panel {
    grid-template-columns: 1fr;
    width: min(100%, 720px);
  }

  .poster-viewer-frame img {
    max-height: 48vh;
  }

  .poster-viewer-info {
    max-height: 38vh;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 0;
    padding: 22px 0;
  }

  .track-pill {
    max-width: 100%;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 18px;
  }

  .section-head,
  .footer-inner {
    display: grid;
  }

  .topic-list {
    grid-template-columns: 1fr;
  }

  .detail-rail {
    position: static;
  }

  .detail-main {
    padding: 22px;
  }

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

  .hotel-detail-card {
    grid-template-columns: 1fr;
  }

  .hotel-detail-card > img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .hotel-actions {
    grid-template-columns: 1fr 1fr;
  }

  .speaker-detail-card img {
    /* width: 100%;
    height: auto;
     */
     
    width: auto;
    height: 100%;
    aspect-ratio: 1 / 1;
  }
}

@media (max-width: 420px) {
  .nav-wrap {
    padding-inline: 16px;
  }

  .brand > span > span {
    display: none;
  }

  .nav-links {
    left: 16px;
    right: 16px;
  }
}