.program-page-hero {
  position: relative;
  padding: calc(var(--header-height) + 72px) 0 70px;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 25%, rgba(214, 165, 31, 0.24), transparent 25rem),
    radial-gradient(circle at 18% 90%, rgba(37, 129, 189, 0.26), transparent 30rem),
    var(--navy-950);
  overflow: hidden;
}

.program-page-hero::after {
  position: absolute;
  width: 360px;
  height: 360px;
  right: -120px;
  bottom: -250px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 45px rgba(255, 255, 255, 0.025),
    0 0 0 90px rgba(255, 255, 255, 0.018);
  content: "";
}

.program-page-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 42px;
}

.program-page-heading h1 {
  max-width: 760px;
  margin: 22px 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 7vw, 5.6rem);
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.program-page-heading p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.08rem;
}

.program-page-date {
  display: grid;
  min-width: 190px;
  padding: 22px 26px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
}

.program-page-date strong {
  color: var(--gold-500);
  font-size: 2.65rem;
  line-height: 1;
}

.program-page-date span {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}


.program-reserved-section {
  background: var(--paper);
}

.program-reserved-shell {
  display: grid;
  max-width: 980px;
  grid-template-columns: 220px minmax(0, 1fr);
  margin: 0 auto;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.program-reserved-mark {
  display: grid;
  min-height: 100%;
  place-items: center;
  color: var(--gold-500);
  background:
    radial-gradient(circle at 20% 15%, rgba(37, 129, 189, 0.28), transparent 14rem),
    var(--navy-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.program-reserved-copy {
  padding: clamp(34px, 6vw, 64px);
}

.program-reserved-copy > p:not(.eyebrow) {
  max-width: 690px;
  color: var(--muted);
}

.program-reserved-data {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0;
  padding: 0;
  list-style: none;
}

.program-reserved-data li {
  padding: 17px;
  background: var(--sky-100);
  border-radius: 14px;
}

.program-reserved-data span,
.program-reserved-data strong {
  display: block;
}

.program-reserved-data span {
  margin-bottom: 5px;
  color: var(--blue-700);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.program-reserved-data strong {
  color: var(--navy-900);
  font-size: 0.92rem;
  line-height: 1.45;
}

@media (max-width: 760px) {
  .program-page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .program-page-date {
    min-width: 0;
  }

  .program-reserved-shell {
    grid-template-columns: 1fr;
  }

  .program-reserved-mark {
    min-height: 105px;
    writing-mode: initial;
    transform: none;
  }

  .program-reserved-data {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .program-page-hero {
    padding-top: calc(var(--header-height) + 54px);
  }

  .program-page-heading h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }
}

.program-shell {
  display: grid;
  gap: 34px;
}

.program-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.program-heading > div {
  max-width: 720px;
}

.program-heading .section-lead {
  margin-bottom: 0;
}

.program-badge {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  padding: 11px 15px;
  color: var(--navy-900);
  background: var(--gold-100);
  border: 1px solid rgba(214, 165, 31, 0.35);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.program-badge-dot {
  width: 9px;
  height: 9px;
  background: #e38a00;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(227, 138, 0, 0.13);
}

.program-days {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.program-day {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.program-day summary {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 21px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-900), var(--blue-700));
  cursor: pointer;
  list-style: none;
}

.program-day summary::-webkit-details-marker {
  display: none;
}

.program-day summary small,
.program-day summary strong {
  display: block;
}

.program-day summary small {
  margin-bottom: 4px;
  color: var(--gold-500);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.program-day summary strong {
  font-size: 1.15rem;
}

.program-toggle {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  place-items: center;
  color: var(--navy-950);
  background: var(--gold-500);
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 800;
  transition: transform 0.25s ease;
}

.program-day[open] .program-toggle {
  transform: rotate(45deg);
}

.program-timeline {
  display: grid;
  margin: 0;
  padding: 10px 18px 16px;
  list-style: none;
}

.program-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 11px;
  padding: 11px 0 11px 15px;
  border-bottom: 1px solid rgba(10, 48, 78, 0.1);
}

.program-timeline li:last-child {
  border-bottom: 0;
}

.program-timeline li::before {
  position: absolute;
  top: 17px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--blue-500);
  border-radius: 50%;
  content: "";
}

.program-timeline li[data-kind="ceremony"]::before,
.program-timeline li[data-kind="culture"]::before {
  background: #e84a24;
}

.program-timeline li[data-kind="plenary"]::before {
  background: #8e3ca6;
}

.program-timeline li[data-kind="poster"]::before {
  background: #09aeb2;
}

.program-timeline li[data-kind="roundtable"]::before,
.program-timeline li[data-kind="break"]::before,
.program-timeline li[data-kind="lunch"]::before {
  background: var(--gold-500);
}

.program-timeline li[data-kind="register"]::before {
  background: #33a852;
}

.program-timeline time {
  color: var(--navy-800);
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

.program-timeline span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.program-day--tour {
  min-height: 100%;
}

.program-tour {
  display: grid;
  min-height: 270px;
  place-items: center;
  align-content: center;
  gap: 16px;
  padding: 30px;
  text-align: center;
}

.program-tour-icon {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  color: var(--navy-950);
  background: var(--gold-500);
  border-radius: 50%;
  font-size: 1.6rem;
}

.program-tour strong {
  color: var(--navy-900);
  font-size: 1.15rem;
}

.program-tour p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.program-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 26px;
  background: var(--white);
  border: 1px solid rgba(214, 165, 31, 0.28);
  border-left: 5px solid var(--gold-500);
  border-radius: 15px;
}

.program-footer strong {
  color: var(--navy-900);
}

.program-footer p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.87rem;
}

@media (max-width: 1060px) {
  .program-days {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .program-heading,
  .program-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .program-days {
    grid-template-columns: 1fr;
  }

  .program-day:not([open]) summary {
    border-radius: 17px;
  }

  .program-footer .btn {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .program-timeline li {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}