:root {
  --conference-navy: #17324d;
  --conference-blue: #245a76;
  --conference-ink: #22313f;
  --conference-muted: #5d6b78;
  --conference-surface: #f4f7f9;
  --conference-border: #d8e1e7;
  --conference-accent: #b05c3b;
}

body {
  color: var(--conference-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1.04rem;
  line-height: 1.7;
}

h1,
h2,
h3 {
  color: var(--conference-navy);
  font-weight: 700;
  letter-spacing: 0.005em;
}

h2 {
  margin-top: 2.4rem;
}

a {
  text-underline-offset: 0.18em;
}

.navbar {
  box-shadow: 0 1px 0 rgba(23, 50, 77, 0.2);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.conference-hero {
  margin: 1.5rem 0 2rem;
  padding: clamp(2rem, 6vw, 4.5rem);
  border: 1px solid var(--conference-border);
  border-radius: 0.8rem;
  background: linear-gradient(135deg, #eef4f7 0%, #ffffff 70%);
}

.conference-hero h1 {
  max-width: 18ch;
  margin: 0 0 0.65rem;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 1.05;
}

.conference-hero > p:not(.eyebrow) {
  max-width: 52rem;
  margin-bottom: 1.5rem;
  color: #34495a;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.eyebrow {
  margin-bottom: 0.8rem;
  color: var(--conference-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.conference-hero .btn {
  margin: 0.35rem 0.45rem 0.35rem 0;
}

.btn-primary {
  border-color: var(--conference-navy);
  background-color: var(--conference-navy);
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: #0d2337;
  background-color: #0d2337;
}

.btn-outline-primary {
  border-color: var(--conference-navy);
  color: var(--conference-navy);
}

.status-grid,
.link-grid,
.proposal-grid,
.design-options-grid {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.status-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.link-grid,
.proposal-grid,
.design-options-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-card,
.link-card,
.proposal-card,
.design-option-card {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--conference-border);
  border-radius: 0.6rem;
  background: #ffffff;
}

.status-card {
  border-top: 0.25rem solid var(--conference-blue);
}

.status-card h3,
.link-card h3,
.proposal-card h3,
.design-option-card h3 {
  margin-top: 0;
  font-size: 1.08rem;
}

.status-card p:last-child,
.link-card p:last-child,
.proposal-card p:last-child,
.design-option-card p:last-child {
  margin-bottom: 0;
}

.status-card strong {
  color: var(--conference-navy);
  font-size: 1.2rem;
}

.link-card a,
.design-option-card a {
  color: var(--conference-navy);
}

.proposal-card {
  display: flex;
  flex-direction: column;
  border-top: 0.3rem solid var(--conference-blue);
}

.proposal-card-ew {
  border-top-color: var(--conference-accent);
}

.proposal-card .btn {
  width: 100%;
}

.external-link-note {
  display: block;
  margin-top: 0.45rem;
  color: var(--conference-muted);
  font-size: 0.82rem;
  text-align: center;
}

.coming-soon,
.event-summary,
.contact-card,
.funding-note,
.internal-preview-note {
  margin: 1.5rem 0 2rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--conference-border);
  border-left: 0.35rem solid var(--conference-accent);
  border-radius: 0.4rem;
  background: var(--conference-surface);
}

.coming-soon p:first-child,
.contact-card p:first-child,
.funding-note p:first-child,
.internal-preview-note p:first-child {
  margin-bottom: 0.35rem;
  color: var(--conference-navy);
  font-size: 1.1rem;
}

.coming-soon p:last-child,
.event-summary p:last-child,
.contact-card p:last-child,
.funding-note p:last-child,
.internal-preview-note p:last-child {
  margin-bottom: 0;
}

.funding-note {
  border-left-color: #6b5b3e;
  background: #faf8f2;
}

.internal-preview-note {
  border-left-color: #8a4f28;
  background: #fff8f1;
}

.design-option-card {
  overflow: hidden;
  padding: 0 0 1.25rem;
}

.design-option-card h3,
.design-option-card > p:not(:first-child) {
  margin-right: 1.25rem;
  margin-left: 1.25rem;
}

.design-option-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 1;
  margin: 0 0 1.1rem;
  object-fit: cover;
}

.design-hero {
  position: relative;
  min-height: clamp(29rem, 47vw, 38rem);
  margin: 1.25rem 0 2rem;
  overflow: hidden;
  border-radius: 0.8rem;
  background: var(--conference-navy);
}

/* Home uses 3:1 source images. A shallower desktop frame preserves more of
   each panorama while leaving enough room for the conference information. */
.home-hero-rotator {
  min-height: clamp(29rem, 36vw, 32rem);
}

.home-hero-rotator .design-hero-content {
  padding-top: clamp(1.5rem, 2.5vw, 2rem);
  padding-bottom: clamp(1.5rem, 2.5vw, 2rem);
}

.home-hero-rotator h1 {
  margin-bottom: 0.55rem;
  font-size: clamp(2.4rem, 5.4vw, 4.25rem);
}

.home-hero-rotator .home-hero-label {
  margin-bottom: 0.65rem;
}

.home-hero-rotator .design-hero-subtitle {
  margin-bottom: 0.8rem;
  line-height: 1.45;
}

.home-hero-rotator .design-hero-facts {
  margin-bottom: 0.85rem;
}

.home-hero-rotator .design-hero-content > p:last-child {
  margin-bottom: 0;
}

.design-hero::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
}

.design-hero-image {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.design-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: inherit;
  max-width: 58rem;
  padding: clamp(2rem, 6vw, 5rem);
  color: #ffffff;
}

.design-hero h1 {
  max-width: 15ch;
  margin: 0 0 0.8rem;
  color: #ffffff;
  font-size: clamp(2.4rem, 6.6vw, 4.8rem);
  line-height: 1.02;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.design-preview-label,
.home-hero-label {
  margin-bottom: 1rem;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.design-hero-subtitle {
  max-width: 48rem;
  margin-bottom: 1.15rem;
  color: #ffffff;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.design-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.design-hero-facts span {
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  background: rgba(10, 24, 38, 0.42);
  color: #ffffff;
  font-size: 0.88rem;
  backdrop-filter: blur(3px);
}

.design-hero .btn {
  margin: 0.3rem 0.4rem 0.3rem 0;
}

.design-option-waseda::after {
  background: linear-gradient(90deg, rgba(10, 31, 51, 0.92) 0%, rgba(16, 48, 73, 0.68) 48%, rgba(16, 48, 73, 0.18) 100%);
}

.design-option-waseda .design-hero-image {
  object-position: 52% 50%;
}

.design-option-historic::after,
.home-hero-rotator[data-hero-active="historic"]::after {
  background: linear-gradient(90deg, rgba(43, 29, 22, 0.9) 0%, rgba(88, 54, 35, 0.62) 55%, rgba(61, 38, 27, 0.2) 100%);
}

.design-option-historic .design-hero-image,
.home-hero-rotator[data-hero-active="historic"] .home-hero-image {
  object-position: 50% 54%;
}

.design-option-modern::after {
  background: linear-gradient(180deg, rgba(8, 28, 48, 0.58) 0%, rgba(18, 55, 78, 0.72) 60%, rgba(8, 28, 48, 0.78) 100%);
}

.design-option-modern .design-hero-content {
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
}

.design-option-modern h1,
.design-option-modern .design-hero-subtitle {
  margin-right: auto;
  margin-left: auto;
}

.design-option-modern .design-hero-facts {
  justify-content: center;
}

.design-option-modern .design-hero-image {
  object-position: 50% 50%;
}

.design-option-skyline::after,
.home-hero-rotator[data-hero-active="skyline"]::after {
  background: linear-gradient(270deg, rgba(16, 26, 66, 0.91) 0%, rgba(30, 46, 91, 0.67) 54%, rgba(18, 30, 63, 0.18) 100%);
}

.design-option-skyline .design-hero-content,
.home-hero-rotator[data-hero-active="skyline"] .design-hero-content {
  margin-left: auto;
  text-align: right;
}

.design-option-skyline h1,
.design-option-skyline .design-hero-subtitle,
.home-hero-rotator[data-hero-active="skyline"] h1,
.home-hero-rotator[data-hero-active="skyline"] .design-hero-subtitle {
  margin-left: auto;
}

.design-option-skyline .design-hero-facts,
.home-hero-rotator[data-hero-active="skyline"] .design-hero-facts {
  justify-content: flex-end;
}

.design-option-skyline .design-hero-image,
.home-hero-rotator[data-hero-active="skyline"] .home-hero-image {
  object-position: 50% 47%;
}

.key-dates {
  --key-date-column: 10rem;
  --key-date-marker-column: 2.75rem;
  position: relative;
  display: grid;
  gap: 0.85rem;
  margin: 1.25rem 0 2.25rem;
}

.key-dates::before {
  position: absolute;
  top: 1.25rem;
  bottom: 1.25rem;
  left: calc(var(--key-date-column) + (var(--key-date-marker-column) / 2));
  width: 2px;
  background: var(--conference-border);
  content: "";
}

.key-date {
  position: relative;
  display: grid;
  grid-template-columns: var(--key-date-column) var(--key-date-marker-column) minmax(0, 1fr);
  align-items: start;
}

.key-date-date {
  align-self: center;
  justify-self: end;
  margin: 0;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: var(--conference-navy);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: right;
  white-space: nowrap;
}

.key-date-date span:not(.key-date-tba) {
  display: block;
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.key-date-marker {
  z-index: 1;
  grid-column: 2;
  align-self: center;
  justify-self: center;
  width: 0.86rem;
  height: 0.86rem;
  border: 0.2rem solid #ffffff;
  border-radius: 50%;
  background: var(--conference-blue);
  box-shadow: 0 0 0 2px var(--conference-border);
}

.key-date-important .key-date-marker,
.key-date-important .key-date-date {
  background: var(--conference-accent);
}

.key-date-conference .key-date-marker,
.key-date-conference .key-date-date {
  background: #3f7b61;
}

.key-date-pending .key-date-marker {
  background: #8a9299;
}

.key-date-pending .key-date-date {
  border: 1px solid var(--conference-border);
  background: #ffffff;
  color: var(--conference-muted);
}

.key-date-tba {
  letter-spacing: 0.06em;
}

.key-date-details {
  grid-column: 3;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--conference-border);
  border-radius: 0.55rem;
  background: #ffffff;
}

.key-date-details h3 {
  margin: 0 0 0.25rem;
  font-size: 1.02rem;
}

.key-date-details p:last-child {
  margin-bottom: 0;
  color: var(--conference-muted);
  font-size: 0.94rem;
}

.grant-record-link {
  color: var(--conference-navy);
  font-weight: 700;
}

table {
  margin: 1.25rem 0 2rem;
}

thead {
  background: var(--conference-surface);
}

.page-footer {
  color: var(--conference-muted);
  font-size: 0.9rem;
}

:focus-visible {
  outline: 3px solid #e6a868;
  outline-offset: 3px;
}

@media (max-width: 768px) {
  body {
    font-size: 1rem;
  }

  .conference-hero {
    margin-top: 0.75rem;
    padding: 1.7rem 1.25rem;
  }

  .status-grid,
  .link-grid,
  .proposal-grid,
  .design-options-grid {
    grid-template-columns: 1fr;
  }

  .conference-hero .btn,
  .design-hero .btn {
    display: block;
    width: 100%;
    margin-right: 0;
  }

  .design-hero {
    min-height: 36rem;
    margin-top: 0.75rem;
  }

  .design-hero-content {
    justify-content: flex-end;
    padding: 2rem 1.25rem;
  }

  .home-hero-rotator .design-hero-content {
    padding: 2rem 1.25rem;
  }

  .design-hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .design-hero-facts {
    display: grid;
    gap: 0.4rem;
  }

  .design-hero-facts span {
    display: block;
    box-sizing: border-box;
    width: 100%;
  }

  .design-option-waseda .design-hero-image {
    object-position: 58% 50%;
  }

  .design-option-historic .design-hero-image,
  .home-hero-rotator[data-hero-active="historic"] .home-hero-image {
    object-position: 46% 50%;
  }

  .design-option-modern .design-hero-image {
    object-position: 58% 50%;
  }

  .design-option-skyline .design-hero-content,
  .home-hero-rotator[data-hero-active="skyline"] .design-hero-content {
    margin-left: 0;
    text-align: left;
  }

  .design-option-skyline h1,
  .design-option-skyline .design-hero-subtitle,
  .home-hero-rotator[data-hero-active="skyline"] h1,
  .home-hero-rotator[data-hero-active="skyline"] .design-hero-subtitle {
    margin-left: 0;
  }

  .design-option-skyline .design-hero-facts,
  .home-hero-rotator[data-hero-active="skyline"] .design-hero-facts {
    justify-content: flex-start;
  }

  .design-option-skyline .design-hero-image,
  .home-hero-rotator[data-hero-active="skyline"] .home-hero-image {
    object-position: 60% 50%;
  }

  .key-dates {
    --key-date-column: 0rem;
    --key-date-marker-column: 1.5rem;
    gap: 1rem;
  }

  .key-dates::before {
    top: 0.55rem;
    bottom: 1rem;
    left: 0.38rem;
  }

  .key-date {
    grid-template-columns: var(--key-date-marker-column) minmax(0, 1fr);
  }

  .key-date-date {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
    margin-bottom: 0.4rem;
    text-align: left;
  }

  .key-date-date span:not(.key-date-tba) {
    display: inline;
    margin-right: 0.2rem;
  }

  .key-date-marker {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
    margin-top: 0.45rem;
  }

  .key-date-details {
    grid-column: 2;
    grid-row: 2;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }
}