:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a5a;
  --color-text-tertiary: #7a7a8a;
  --color-accent: #23297a;
  --color-accent-hover: #2e3590;
  --color-accent-light: #ecedf5;
  --color-border: #dddde5;
  --color-border-light: #eeeff3;
  --color-highlight: #ecedf5;
  --color-tag-bg: #e4e5f0;
  --color-tag-text: #3a4199;
  --color-live: #dc2626;
  --font-display: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* ── NAV ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(250, 250, 250, 0.95);
  border-bottom-color: var(--color-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}

.nav-logo span {
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-left: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 450;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 250, 250, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  padding: 2rem;
}

.mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--color-text-secondary);
}

/* ── HERO ── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: none;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--color-accent);
  opacity: 0.6;
  letter-spacing: -0.01em;
  margin-bottom: 3rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.hero-meta-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.5;
}

/* ── GANTT TIMELINE ── */

.gantt {
  margin-top: 3.5rem;
  position: relative;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.gantt-inner {
  min-width: 750px;
  position: relative;
}

/* Header ticks (absolute positioned) */
.gantt-header {
  position: relative;
  margin-left: 100px;
  height: 22px;
  margin-bottom: 4px;
}

.gantt-tick {
  position: absolute;
  font-size: 0.6rem;
  font-weight: 450;
  color: var(--color-text-tertiary);
  transform: translateX(-50%);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.gantt-tick.is-year {
  font-weight: 700;
  color: var(--color-text-secondary);
}

.gantt-tick.is-day {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 1;
}

/* Conference zone background */
.gantt-conf-zone {
  position: absolute;
  top: 22px;
  bottom: 0;
  background: var(--color-accent);
  opacity: 0.045;
  pointer-events: none;
  border-radius: 3px;
}

/* Vertical grid lines */
.gantt-grid-abs {
  position: absolute;
  top: 26px;
  bottom: 0;
  left: 100px;
  right: 0;
  pointer-events: none;
}

.gantt-vline {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border-light);
}

.gantt-vline.is-year {
  background: var(--color-border);
}

.gantt-vline.is-day {
  background: var(--color-accent);
  opacity: 0.18;
}

/* Tracks */
.gantt-tracks {
  position: relative;
  margin-left: 100px;
}

.gantt-track {
  display: flex;
  align-items: center;
  height: 28px;
  position: relative;
}

.gantt-track.conf-row {
  height: 30px;
  margin-left: -8px;
  padding-left: 8px;
  margin-right: -4px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(35, 41, 122, 0.04) 10%,
    rgba(35, 41, 122, 0.04) 100%
  );
  border-radius: 3px;
}

.gantt-track.conf-row .gantt-bar {
  height: 6px;
}

.gantt-track.conf-row .gantt-bar-dot {
  width: 8px;
  height: 8px;
}

.gantt-track-label {
  position: absolute;
  left: -100px;
  width: 92px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: right;
  padding-right: 12px;
  letter-spacing: 0.01em;
}

.gantt-track-label.conf-label {
  color: var(--color-accent);
  font-weight: 700;
}

/* Bars */
.gantt-bar {
  position: absolute;
  height: 4px;
  border-radius: 2px;
  display: flex;
  align-items: center;
  padding: 0;
  transition: opacity 0.2s, height 0.15s;
  cursor: default;
}

.gantt-bar:hover {
  opacity: 0.85 !important;
  height: 6px;
}

.gantt-bar-label {
  position: absolute;
  top: -14px;
  left: 0;
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.gantt-bar.active {
  height: 6px;
}

.gantt-bar.active .gantt-bar-label {
  color: var(--color-accent);
  font-weight: 650;
}

.gantt-bar-dot {
  position: absolute;
  left: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

/* Today marker */
.gantt-today {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-live);
  z-index: 10;
  pointer-events: none;
}

.gantt-today::before {
  content: 'Today';
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--color-live);
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.gantt-today::after {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-live);
}

/* Gantt responsive */
@media (max-width: 600px) {
  .gantt { margin-top: 2.5rem; }
  .gantt-header { margin-left: 72px; }
  .gantt-grid-abs { left: 72px; }
  .gantt-tracks { margin-left: 72px; }
  .gantt-conf-zone { left: calc(52% + 72px) !important; }
  .gantt-track-label {
    left: -72px;
    width: 64px;
    font-size: 0.6rem;
    padding-right: 8px;
  }
  .gantt-tick { font-size: 0.5rem; }
  .gantt-tick.is-day { font-size: 0.48rem; }
}

/* ── PHASE CARD ── */

.phase-card {
  background: var(--color-accent);
  color: white;
  border-radius: 5px;
  padding: 2rem 2.5rem;
  max-width: 480px;
  position: relative;
  overflow: hidden;
}

.phase-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.phase-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.75rem;
}

.phase-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.phase-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.phase-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 5px;
  text-decoration: none;
  transition: all 0.2s;
}

.phase-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.phase-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.phase-btn:hover svg {
  transform: translateX(2px);
}

/* ── SECTIONS ── */

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 720px;
  line-height: 1.7;
}

.divider {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.divider hr {
  border: none;
  border-top: 1px solid var(--color-border);
}

/* ── THEME ── */

.theme-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.theme-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.theme-text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.theme-topics {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.topic-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border-radius: 5px;
  border: 1px solid var(--color-border-light);
  transition: border-color 0.2s;
}

.topic-item:hover {
  border-color: var(--color-border);
}

.topic-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  opacity: 0.5;
  min-width: 20px;
}

.topic-text {
  font-size: 0.9rem;
  font-weight: 450;
  color: var(--color-text);
  line-height: 1.4;
}

/* ── DATES TABLE ── */

.dates-table {
  width: 100%;
  max-width: 720px;
  border-collapse: collapse;
  margin-top: 2.5rem;
}

.dates-row td {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: baseline;
}

.dates-row:last-child td {
  border-bottom: none;
}

.dates-date {
  width: 220px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  padding-right: 2rem !important;
  white-space: nowrap;
}

.dates-event {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

.dates-tag {
  width: 100px;
  text-align: right;
  padding-left: 1rem !important;
}

.dates-tag span {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.tag-papers {
  background: rgba(35, 41, 122, 0.08);
  color: #23297a;
}

.tag-workshops {
  background: rgba(92, 107, 192, 0.08);
  color: #3949ab;
}

.tag-reg {
  background: rgba(198, 68, 62, 0.08);
  color: #c6443e;
}

.tag-conf {
  background: var(--color-accent);
  color: white;
}

/* Active row */
.dates-row.is-now td {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.dates-row.is-now .dates-date {
  color: var(--color-accent);
  font-weight: 700;
}

.dates-row.is-now .dates-event {
  color: var(--color-accent);
}

/* Conference row */
.dates-row.dates-conf td {
  padding-top: 1rem;
  padding-bottom: 1rem;
  border-bottom: none;
}

.dates-row.dates-conf .dates-date {
  font-weight: 700;
  color: var(--color-accent);
}

.dates-row.dates-conf .dates-event {
  color: var(--color-accent);
  font-size: 1rem;
}

@media (max-width: 600px) {
  .dates-date {
    width: auto;
    white-space: normal;
    font-size: 0.75rem;
    padding-right: 1rem !important;
  }
  .dates-event { font-size: 0.82rem; }
  .dates-tag { display: none; }
}

/* ── PROGRAM GRID ── */

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.program-day {
  border: 1px solid var(--color-border-light);
  border-radius: 5px;
  overflow: hidden;
  background: var(--color-surface);
  transition: border-color 0.2s;
}

.program-day:hover {
  border-color: var(--color-border);
}

.program-day-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

.program-day-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.program-day-date {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  flex: 1;
}

.program-day-date span {
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.program-day-type {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tag-ws {
  background: rgba(92, 107, 192, 0.08);
  color: #3949ab;
}

.tag-optional {
  background: rgba(210, 140, 70, 0.08);
  color: #9a7048;
}

/* Workshop day left accent */
.program-day--ws {
  border-left: 3px solid #5c6bc0;
}

.program-day--papers {
  border-left: 3px solid #23297a;
}

.program-day--optional {
  border-left: 3px solid #c9956a;
}

.program-day-body {
  padding: 0.5rem 0;
}

.program-slot {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 1.25rem;
}

.program-slot + .program-slot {
  border-top: 1px solid var(--color-border-light);
}

.program-time {
  width: 42px;
  min-width: 42px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.program-item {
  font-size: 0.82rem;
  color: var(--color-text);
  line-height: 1.5;
}

.program-item strong {
  color: var(--color-accent);
  font-weight: 700;
}

.program-item--light {
  color: var(--color-text-tertiary);
  font-style: italic;
}

.program-item--social {
  color: inherit;
  font-weight: inherit;
}

.program-slot--eve {
  background: transparent;
}

@media (max-width: 600px) {
  .program-grid {
    grid-template-columns: 1fr;
  }
}

/* ── VENUE PREVIEW ── */

.venue-preview {
  margin-top: 3rem;
  border-radius: 5px;
  overflow: hidden;
  position: relative;
  height: 400px;
  background: #ddd;
}

.venue-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.venue-collage-4col {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.venue-collage-4col > div {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  height: 220px;
}

.venue-collage-4col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.venue-collage-4col > div:hover img {
  transform: scale(1.04);
}

.venue-collage-4col > div:nth-child(3) img {
  object-position: center 40%;
}

.venue-collage-4col > div:nth-child(4) img {
  object-position: center 20%;
}

/* ── SPONSORS ── */

.sponsor-tier {
  margin-top: 2rem;
}

.sponsor-tier-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.8rem;
}

.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.sponsor-logo-placeholder {
  padding: 1rem 2rem;
  border: 1px dashed var(--color-border);
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
}

.sponsor-logo {
  height: 28px;
  width: auto;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.sponsor-logo-invert {
  filter: invert(1) brightness(0.3);
}

.sponsor-logo:hover {
  opacity: 1;
}

.sponsor-logo-lg {
  height: 72px;
}

.land-acknowledgement {
  margin-top: 1.2rem;
  font-size: 0.68rem;
  color: var(--color-muted);
  line-height: 1.7;
  opacity: 0.7;
}

.venue-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
}

.venue-overlay-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.venue-overlay-sub {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ── COMMITTEE ── */

.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.committee-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 5px;
  transition: all 0.2s;
}

.committee-card:hover {
  border-color: var(--color-border);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.committee-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  display: block;
  filter: grayscale(100%);
  transition: filter 0.3s;
}

.committee-card:hover .committee-photo {
  filter: grayscale(0%);
}

.committee-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.committee-role {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.15rem;
}

.committee-dept {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-style: italic;
}

/* ── PAGE HEADER (sub-pages) ── */

.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 2rem;
  background: var(--color-bg);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  line-height: 1.05;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.page-subtitle strong {
  color: var(--color-accent);
  font-weight: 700;
}

/* ── CfP META ROW ── */

.cfp-meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.cfp-meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  margin-bottom: 0.35rem;
}

.cfp-meta-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

.cfp-meta-value--accent {
  color: var(--color-accent);
}

.cfp-meta-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.15s, border-color 0.15s;
}

.cfp-meta-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.divider-inline {
  margin-bottom: 2.5rem;
}

.divider-inline hr {
  border: none;
  border-top: 1px solid var(--color-border);
}

/* ── CfP THEME BLOCK ── */

.cfp-theme-block {
  margin-bottom: 3rem;
}

.cfp-theme-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.cfp-theme-text {
  max-width: 780px;
}

.cfp-theme-text p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.cfp-theme-text p:last-child {
  margin-bottom: 0;
}

.cfp-theme-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ── CfP TOPICS TABLE ── */

.cfp-topics-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 3rem;
}

.cfp-topics-table thead {
  border-bottom: 2px solid var(--color-border);
}

.cfp-topics-th-cat,
.cfp-topics-th-topics {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  text-align: left;
  padding: 0.6rem 0;
}

.cfp-topics-th-cat {
  width: 220px;
  padding-right: 2rem;
}

.cfp-topics-table tbody tr {
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.15s;
}

.cfp-topics-table tbody tr:hover {
  background: var(--color-surface);
}

.cfp-topics-cat {
  padding: 1rem 2rem 1rem 0;
  vertical-align: top;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  display: flex;
  gap: 0;
}

.cfp-topics-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.45;
  flex-shrink: 0;
  width: 2rem;
  padding-top: 0.15em;
}

.cfp-topics-list {
  padding: 1rem 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ── VENUE LAYOUT ── */

.venue-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.venue-institution-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.venue-institution-sub {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.venue-bg {
  position: relative;
  background-size: cover;
  background-position: center 20%;
  background-repeat: no-repeat;
  background-attachment: scroll;
}

.venue-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.88);
  pointer-events: none;
}

.venue-page-header {
  position: relative;
  background: transparent;
  padding-top: 10rem;
  padding-bottom: 3rem;
}

.venue-page-header .page-title {
  color: var(--color-accent);
}

.venue-section {
  position: relative;
}

.venue-hero-institution {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: 1rem;
}

.venue-hero-address {
  font-size: 0.82rem;
  color: var(--color-accent);
  opacity: 0.6;
  margin-top: 0.25rem;
}

@media (max-width: 600px) {
  .venue-bg {
    background-attachment: scroll;
  }
  .venue-page-header {
    padding-top: 7rem;
    padding-bottom: 2rem;
  }
}

/* ── VENUE COLLAGE ── */

.venue-collage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 150px 150px 130px;
  gap: 4px;
}

.venue-collage > div {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.venue-collage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.venue-collage > div:hover img {
  transform: scale(1.04);
}

.venue-collage-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.4rem 0.6rem;
  font-size: 0.62rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
  letter-spacing: 0.01em;
}

.vc-building {
  grid-column: 1;
  grid-row: 1 / 3;
}

.vc-atrium {
  grid-column: 2;
  grid-row: 1 / 3;
}

.vc-large {
  grid-column: 3;
  grid-row: 1;
}

.vc-medium {
  grid-column: 3;
  grid-row: 2;
}

.vc-seminar {
  grid-column: 1;
  grid-row: 3;
}

.vc-studio {
  grid-column: 2;
  grid-row: 3;
}

.vc-fab {
  grid-column: 3;
  grid-row: 3;
}

@media (max-width: 600px) {
  .venue-collage {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 160px 120px 120px 100px;
  }
  .vc-building { grid-column: 1; grid-row: 1 / 3; }
  .vc-atrium   { grid-column: 2; grid-row: 1; }
  .vc-large    { grid-column: 2; grid-row: 2; }
  .vc-medium   { grid-column: 1; grid-row: 3; }
  .vc-seminar  { grid-column: 2; grid-row: 3; }
  .vc-studio   { grid-column: 1; grid-row: 4; }
  .vc-fab      { grid-column: 2; grid-row: 4; }
}

/* ── VENUE TRAVEL BLOCK ── */

/* ── MAP + SCROLLYTELLING ── */

.venue-map-story {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-accent);
  margin: 3rem 0 4px 0;
}

.vms-map {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.map-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.map-wrap > svg {
  display: block;
  width: 100%;
  touch-action: none;
  cursor: grab;
}

.vms-text {
  padding: 4rem 3rem;
  color: rgba(255,255,255,0.85);
}

.vms-panel {
  min-height: 70vh;
  padding: 2rem 0;
}

.vms-panel + .vms-panel {
  border-top: 1px solid rgba(255,255,255,0.1);
}

.vms-panel .cfp-section-heading {
  color: #fff;
}

.vms-panel .cfp-theme-text p {
  color: rgba(255,255,255,0.72);
}

.vms-panel .venue-hotels-table,
.vms-panel .venue-spaces-table {
  color: rgba(255,255,255,0.85);
}

.vms-panel .venue-hotels-table th {
  color: rgba(255,255,255,0.5);
  border-bottom-color: rgba(255,255,255,0.15);
}

.vms-panel .venue-hotels-table td {
  border-bottom-color: rgba(255,255,255,0.08);
}

.vms-panel .venue-space-name {
  color: rgba(255,255,255,0.9);
}

.vms-panel .venue-space-desc {
  color: rgba(255,255,255,0.6);
}

.vms-panel .venue-hotel-names {
  color: rgba(255,255,255,0.6);
}

.vms-panel .cfp-theme-text strong {
  color: rgba(255,255,255,0.95);
}

.vms-panel .venue-spaces-table tbody tr:hover,
.vms-panel .venue-hotels-table tbody tr:hover {
  background: transparent;
}

.vms-panel .venue-spaces-table td {
  border-bottom-color: rgba(255,255,255,0.08);
}

.vms-panel .venue-hotel-dist-val {
  color: rgba(255,255,255,0.9);
}

/* ── VENUE PHOTO GALLERY (card collage) ── */

.venue-gallery-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 192px 192px;
  gap: 4px;
}

.venue-gallery-card > div {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.venue-gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.venue-gallery-card > div:hover img {
  transform: scale(1.04);
}

.vgc-gondola img {
  object-position: center 5%;
}

.vgc-banff img {
  object-position: center 55%;
}

.vgc-lake img {
  object-position: center 60%;
}

/* ── Rocky Mountains section title ── */

.venue-rockies-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: left;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.venue-rockies-title span {
  font-weight: 400;
  opacity: 0.6;
}

/* ── REGISTRATION PLACEHOLDER ── */

.reg-placeholder {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: #fff;
}

.reg-placeholder-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
  opacity: 0.35;
}

.reg-placeholder-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.8rem;
}

.reg-placeholder-text {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.reg-placeholder-dates {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.reg-date-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  border-radius: 4px;
  font-size: 0.78rem;
}

.reg-date-label {
  color: var(--color-text);
  font-weight: 500;
}

.reg-date-value {
  color: var(--color-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.reg-placeholder-contact {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.reg-placeholder-contact a {
  color: var(--color-accent);
}

/* ── CONTACT PAGE ── */

/* ── PROGRAM PAGE ── */

.program-placeholder {
  margin-top: 1rem;
}

.program-tba {
  text-align: center;
  padding: 2.5rem 1rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  border: 1px dashed var(--color-border);
  border-radius: 5px;
  background: var(--color-surface);
}

/* ── PROGRAM UNIFIED (Vertical: Timetable → Info → Building) ── */

.pu-container {
  border: 1px solid var(--color-border);
  border-radius: 5px;
  overflow: hidden;
}

/* ── Full-week Timetable Grid ── */
.pu-tt-wrap { overflow-x: auto; }

.pu-tt {
  display: grid;
  grid-template-columns: 48px repeat(6, minmax(100px, 1fr));
  grid-template-rows: 44px repeat(28, 22px);
  min-width: 720px;
  position: relative;
}

.pu-tt-corner {
  grid-row: 1; grid-column: 1;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-accent);
  border-right: 1px solid var(--color-border);
}

.pu-tt-dh {
  grid-row: 1;
  padding: 6px 4px;
  text-align: center;
  font-size: .75rem; line-height: 1.3;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-accent);
  border-right: 1px solid var(--color-border);
  cursor: pointer;
  transition: background .2s;
}
.pu-tt-dh:last-of-type { border-right: none; }
.pu-tt-dh:hover { background: rgba(35,41,122,0.04); }
.pu-tt-dh strong { color: var(--color-accent); font-size: .82rem; display: block; }
.pu-tt-dh span { font-size: .6rem; color: var(--color-muted); }

.pu-tt-dh-sel {
  background: var(--color-accent) !important;
  border-bottom-color: var(--color-accent);
}
.pu-tt-dh-sel strong, .pu-tt-dh-sel span { color: #fff; }

/* Column highlight */
.pu-tt-colhl {
  background: rgba(35, 41, 122, 0.03);
  z-index: 0;
  pointer-events: none;
}

/* Gridlines */
.pu-tt-gl {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(0,0,0,0.05);
  pointer-events: none;
  z-index: 0;
}

/* Time labels */
.pu-tt-tl {
  grid-column: 1;
  font-size: .6rem;
  color: var(--color-muted);
  text-align: right;
  padding: 2px 6px 0 0;
  line-height: 1;
  z-index: 1;
  border-right: 1px solid var(--color-border);
  background: #fff;
}

/* Event blocks */
.pu-tt-ev {
  z-index: 2;
  border-radius: 3px;
  border-left: 3px solid;
  padding: 2px 5px;
  font-size: .65rem;
  line-height: 1.35;
  margin: 1px 2px;
  overflow: hidden;
  cursor: pointer;
  transition: opacity .15s;
}
.pu-tt-ev:hover { opacity: .7; }

.pu-tt-ev-par {
  font-size: .55rem;
  padding: 2px 3px;
  border-left-width: 2px;
  line-height: 1.25;
}
.pu-tt-ev-par small {
  opacity: .6;
  font-size: .5rem;
}

/* Needle */
.pu-tt-needle {
  height: 0;
  border-top: 2px solid #ff5252;
  z-index: 10;
  pointer-events: none;
  position: relative;
}
.pu-tt-needle::before {
  content: '';
  position: absolute;
  left: -5px; top: -5px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ff5252;
}

/* ── Info Bar (between timetable & building) ── */
.pu-info {
  padding: 12px 16px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pu-sl-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.pu-sl-time {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}
.pu-sl-day {
  font-size: .72rem;
  color: var(--color-muted);
}
.pu-sl {
  flex: 1; min-width: 180px;
  -webkit-appearance: none; appearance: none; height: 4px;
  border-radius: 2px; background: var(--color-border); outline: none;
}
.pu-sl::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 14px; height: 14px;
  border-radius: 50%; background: var(--color-accent); cursor: pointer;
}
.pu-sl::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--color-accent); cursor: pointer; border: none;
}

.pu-info-evs {
  display: flex; flex-wrap: wrap; gap: 6px;
  min-height: 24px; align-items: center;
}
.pu-info-none { font-size: .72rem; color: var(--color-muted); font-style: italic; }
.pu-info-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 3px;
  font-size: .7rem; font-weight: 600;
}
.pu-info-tag small { font-weight: 400; opacity: .65; font-size: .6rem; }

/* ── Building Diagram ── */
.pu-bldg { padding: 12px 16px 16px; }

.pu-fl {
  display: flex;
  align-items: center;
  min-height: 38px;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.pu-fl-gym { min-height: 22px; }
.pu-fl-empty { min-height: 28px; opacity: .4; }

.pu-fl-lbl {
  width: 68px; flex-shrink: 0;
  text-align: right; padding-right: 10px;
}
.pu-fl-lbl strong { display: block; font-size: .7rem; font-weight: 700; color: var(--color-accent); }
.pu-fl-lbl span { font-size: .48rem; color: var(--color-muted); }
.pu-fl-gym .pu-fl-lbl strong { font-size: .5rem; color: var(--color-muted); opacity: .5; }

.pu-rms { display: flex; gap: 5px; flex: 1; align-items: center; padding: 3px 0; }
.pu-gy { font-size: .5rem; color: var(--color-muted); opacity: .4; letter-spacing: .1em; text-transform: uppercase; }

.pu-rm {
  flex: 1; min-width: 44px; height: 32px; border-radius: 3px;
  background: rgba(0,0,0,0.025); border: 1px solid var(--color-border);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: all .3s ease; overflow: hidden;
}
.pu-rm-n { font-size: .62rem; font-weight: 700; color: var(--color-muted); transition: color .3s; }
.pu-rm-e {
  font-size: .44rem; font-weight: 600;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 0 3px; line-height: 1.2;
}
.pu-rm-on { border-color: transparent; }
.pu-rm-on .pu-rm-n { color: var(--color-text); }

/* Legend */
.pu-leg {
  display: flex; flex-wrap: wrap; gap: 12px;
  padding: 10px 16px; border-top: 1px solid var(--color-border);
}
.pu-leg-i { display: flex; align-items: center; gap: 5px; font-size: .62rem; color: var(--color-muted); }
.pu-leg-dot { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }

@media (max-width: 768px) {
  .pu-tt { grid-template-columns: 40px repeat(6, minmax(80px, 1fr)); grid-template-rows: 38px repeat(28, 18px); }
  .pu-tt-ev { font-size: .55rem; padding: 1px 3px; }
  .pu-tt-tl { font-size: .5rem; }
  .pu-fl-lbl { width: 44px; padding-right: 6px; }
  .pu-fl-lbl span { display: none; }
  .pu-rm { min-width: 32px; height: 28px; }
  .pu-rm-n { font-size: .52rem; }
  .pu-rm-e { font-size: .38rem; }
}

/* Veil overlay */
.pu-veil {
  position: absolute;
  inset: 0;
  z-index: 50;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  transition: opacity .4s ease, visibility .4s;
}

.pu-veil-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pu-veil-inner {
  text-align: center;
  padding: 3rem 2rem;
  max-width: 480px;
}

.pu-veil-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: .25;
}

.pu-veil-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: .75rem;
}

.pu-veil-text {
  font-size: .88rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.contact-content {
  max-width: 600px;
}

.contact-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.contact-email {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s ease;
}

.contact-email:hover {
  border-bottom-color: var(--color-accent);
}

.vgc-calgary {
  grid-column: 1;
  grid-row: 1 / 3;
}

.vgc-calgary img {
  transform: scale(1.2);
  transform-origin: center center;
}

.vgc-calgary:hover img {
  transform: scale(1.24);
}

.vgc-banff {
  grid-column: 2;
  grid-row: 1;
}

.vgc-lake {
  grid-column: 3;
  grid-row: 1;
}

.vgc-gondola {
  grid-column: 2 / 4;
  grid-row: 2;
}

@media (max-width: 600px) {
  .venue-gallery-card {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 180px 120px 120px;
  }
  .vgc-calgary { grid-column: 1 / 3; grid-row: 1; }
  .vgc-banff   { grid-column: 1; grid-row: 2; }
  .vgc-lake    { grid-column: 2; grid-row: 2; }
  .vgc-gondola { grid-column: 1 / 3; grid-row: 3; }
}

@media (max-width: 900px) {
  .venue-map-story {
    grid-template-columns: 1fr;
  }
  .vms-map {
    position: relative;
    height: auto;
    min-height: 60vh;
  }
  .vms-text {
    padding: 2rem 1.5rem;
  }
  .vms-panel {
    min-height: auto;
  }
}

.map-legend-float {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(25, 30, 90, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 5px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
  pointer-events: auto;
}

.ml-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.68rem;
  font-family: 'Segoe UI', system-ui, sans-serif;
  white-space: nowrap;
}

.ml-toggle {
  cursor: pointer;
}

.ml-toggle input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border: 1.5px solid rgba(255,255,255,0.45);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
}

.ml-toggle input[type="checkbox"]:checked {
  background: rgba(255,255,255,0.25);
}

.ml-toggle input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 3px;
  width: 3px;
  height: 6px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
  margin: 0 auto;
}

/* ── VENUE TABLES ── */

.venue-spaces-table,
.venue-hotels-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.venue-spaces-table tbody tr,
.venue-hotels-table tbody tr {
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.15s;
}

.venue-spaces-table tbody tr:hover,
.venue-hotels-table tbody tr:hover {
  background: var(--color-surface);
}

.venue-space-name {
  padding: 0.75rem 2rem 0.75rem 0;
  vertical-align: top;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.venue-space-count {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  margin-left: 0.35rem;
}

.venue-space-desc {
  padding: 0.75rem 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.venue-hotels-table thead tr {
  border-bottom: 2px solid var(--color-border);
}

.venue-hotel-dist,
.venue-hotel-name-h {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  text-align: left;
  padding: 0.6rem 0;
}

.venue-hotel-dist {
  width: 180px;
  padding-right: 2rem;
}

.venue-hotel-dist-val {
  padding: 0.75rem 2rem 0.75rem 0;
  vertical-align: top;
  font-size: 0.82rem;
  color: var(--color-text);
}

.venue-hotel-dist-val strong {
  font-weight: 600;
}

.venue-hotel-names {
  padding: 0.75rem 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

@media (max-width: 600px) {
  .venue-space-name { white-space: normal; }
  .venue-hotel-dist { width: auto; }
}

/* ── CfP PROPOSAL LIST ── */

.cfp-proposal-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.cfp-proposal-list li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  padding-left: 1rem;
  position: relative;
}

.cfp-proposal-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-text-tertiary);
}

/* ── CfP SUB-SECTIONS ── */

.cfp-section-heading {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.cfp-timeline {
  margin-bottom: 3rem;
}

.cfp-proceedings {
  margin-bottom: 1rem;
}

.cfp-proceedings-text {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ── CfP RESPONSIVE ── */

@media (max-width: 768px) {
  .cfp-meta-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 600px) {
  .page-header { padding: 6rem 1.25rem 2rem; }

  .cfp-meta-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .cfp-topics-table thead { display: none; }

  .cfp-topics-table,
  .cfp-topics-table tbody,
  .cfp-topics-table tr,
  .cfp-topics-table td {
    display: block;
    width: 100%;
  }

  .cfp-topics-cat {
    padding: 1rem 0 0.25rem;
    font-size: 0.85rem;
  }

  .cfp-topics-list {
    padding: 0.25rem 0 1rem;
    font-size: 0.78rem;
  }
}

/* ── FOOTER ── */

.footer {
  background: var(--color-accent);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-brand-sub {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-logos {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-logos span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  font-weight: 500;
}

/* ── RESPONSIVE ── */

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero { min-height: auto; padding: 7rem 1.5rem 3rem; }
  .hero-title { margin-bottom: 1rem; }
  .hero-subtitle { margin-bottom: 2rem; }

  .theme-grid { grid-template-columns: 1fr; gap: 2rem; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .nav-inner { padding: 0 1.25rem; }
  .section { padding: 4rem 1.25rem; }
  .hero { padding: 6rem 1.25rem 2.5rem; }

  .phase-card { padding: 1.5rem; }
  .hero-meta { flex-direction: column; gap: 0.75rem; }

  .timeline { grid-template-columns: 1fr; }
  .committee-grid { grid-template-columns: 1fr 1fr; }

  .venue-preview { height: 260px; }
  .venue-collage-4col { grid-template-columns: repeat(2, 1fr); }
  .venue-collage-4col > div { height: 160px; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}