.brs-section {
  background: var(--colour-white);
}

.brs-header {
  max-width: var(--reading-width);
  margin-bottom: 2rem;
}

.brs-section > .container > h2 {
  margin-bottom: 2rem;
}

.brs-intro {
  color: var(--colour-muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.brs-disclosure {
  margin: 1rem 0 0;
  color: var(--colour-muted);
  font-size: 0.9rem;
}

.brs-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.brs-fallback {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 0.0625rem solid var(--colour-border);
}

.brs-fallback-empty {
  margin: 0;
  padding: 0.75rem 0;
  border-top: 0.0625rem solid var(--colour-border);
  border-bottom: 0.0625rem solid var(--colour-border);
}

.brs-fallback li {
  padding: 0.75rem 0;
  border-bottom: 0.0625rem solid var(--colour-border);
}

.brs-fallback strong {
  color: var(--colour-navy);
}

.brs-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--colour-muted);
  font-size: 0.875rem;
}

.brs-legend-item {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.brs-legend-text strong {
  color: var(--colour-navy);
}

.brs-legend-swatch {
  flex: none;
  width: 1.6rem;
  height: 1.1rem;
  border-radius: 0.3rem;
}

.brs-legend-swatch--quiet {
  background: var(--colour-surface);
  border: 0.0625rem solid var(--colour-border);
}

.brs-timeline {
  display: grid;
  gap: 2rem;
}

.brs-year-title {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0 0 0.75rem;
  color: var(--colour-navy);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brs-year-title::after {
  content: "";
  flex: 1;
  height: 0.125rem;
  background: linear-gradient(90deg, var(--colour-teal), var(--colour-border));
}

.brs-months {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.brs-month {
  min-width: 0;
  min-height: 7.25rem;
  padding: 0.5rem 0.25rem 0.4rem;
  border-radius: 0.5rem;
  background: var(--colour-surface);
}

.brs-month-name {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--colour-muted);
  font-size: 0.8rem;
  font-weight: 650;
  text-align: center;
}

.brs-month--has-release {
  background: var(--colour-teal-tint);
  box-shadow: inset 0 0.25rem 0 var(--colour-teal);
  padding-top: 0.75rem;
}

.brs-month--has-release .brs-month-name {
  color: var(--colour-navy);
  font-weight: 800;
}

.brs-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.brs-year-empty {
  margin: 0;
  color: var(--colour-muted);
  font-size: 0.95rem;
}

.brs-card {
  padding: 0.4rem 0.2rem;
  border: 0.125rem solid transparent;
  border-radius: 0.4rem;
  font-size: 0.78rem;
  line-height: 1.3;
  text-align: center;
}

.brs-card p {
  margin: 0;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.brs-card-market {
  font-size: 0.68rem;
  font-weight: 650;
  opacity: 0.85;
}

.brs-card-series {
  font-weight: 750;
}

.brs-card-period {
  font-size: 0.95rem;
  font-weight: 800;
  white-space: pre-line;
}

.brs-card-status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.3rem;
  align-items: center;
  justify-content: center;
  margin-top: 0.3rem !important;
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brs-card-note {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.brs-card--released {
  color: var(--colour-white);
  background: var(--colour-navy);
}

.brs-card--scheduled {
  color: var(--colour-white);
  background: var(--colour-teal-dark);
  box-shadow: 0 0.35rem 0.9rem rgba(var(--colour-teal-dark-rgb), 0.25);
}

.brs-card--indicative {
  color: var(--colour-navy);
  background: var(--colour-white);
  border-color: var(--colour-teal-dark);
  border-style: dashed;
}

.brs-legend-swatch.brs-card--indicative {
  border-width: 0.125rem;
}

.brs-marker {
  display: inline-block;
  flex: none;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  font-size: 0.6rem;
  line-height: 0.7rem;
  text-align: center;
}

.brs-marker--released {
  background: var(--colour-white);
  color: var(--colour-navy);
  font-weight: 900;
}

.brs-marker--scheduled {
  background: var(--colour-white);
}

.brs-marker--indicative {
  border: 0.125rem solid var(--colour-teal-dark);
  background: transparent;
}

@media (min-width: 35rem) and (max-width: 61.99rem) {
  .brs-months {
    gap: 0.15rem;
  }

  .brs-month {
    min-height: 6.25rem;
    padding: 0.4rem 0.1rem 0.3rem;
    border-radius: 0.35rem;
  }

  .brs-month--has-release {
    padding-top: 0.6rem;
  }

  .brs-month-name {
    margin-bottom: 0.3rem;
    font-size: 0.66rem;
  }

  .brs-cards {
    gap: 0.2rem;
  }

  .brs-month--has-release .brs-cards {
    position: relative;
    z-index: 1;
    margin-inline: -0.8rem;
  }

  .brs-month--has-release + .brs-month--has-release .brs-cards {
    margin-left: 0;
  }

  .brs-month--has-release:has(+ .brs-month--has-release) .brs-cards {
    margin-right: 0;
  }

  .brs-card {
    padding: 0.25rem 0.1rem;
    border-width: 0.1rem;
    border-radius: 0.3rem;
    font-size: clamp(0.6rem, 0.294rem + 0.875vw, 0.75rem);
  }

  .brs-card-period {
    font-size: clamp(0.7rem, 0.394rem + 0.875vw, 0.95rem);
  }

  .brs-card-status {
    margin-top: 0.2rem !important;
    font-size: clamp(0.5rem, 0.194rem + 0.875vw, 0.62rem);
    letter-spacing: 0;
  }

  .brs-marker {
    width: 0.5rem;
    height: 0.5rem;
    font-size: 0.45rem;
    line-height: 0.5rem;
  }
}

@media (max-width: 34.99rem) {
  .brs-timeline {
    gap: 1.75rem;
  }

  .brs-months {
    display: block;
    position: relative;
    padding-left: 1.25rem;
  }

  .brs-months::before {
    content: "";
    position: absolute;
    top: 0.4rem;
    bottom: 0.4rem;
    left: 0.2rem;
    width: 0.125rem;
    background: var(--colour-border);
  }

  .brs-month {
    position: relative;
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr);
    gap: 0.75rem;
    align-items: start;
    min-height: 0;
    margin-bottom: 0.9rem;
    padding: 0.75rem;
    box-shadow: none;
  }

  .brs-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .brs-month--has-release {
    box-shadow: inset 0.25rem 0 0 var(--colour-teal);
    padding-top: 0.75rem;
  }

  .brs-month:last-child {
    margin-bottom: 0;
  }

  .brs-months .brs-month--quiet {
    display: none;
  }

  .brs-month--has-release::before {
    content: "";
    position: absolute;
    top: 1.15rem;
    left: -1.25rem;
    width: 0.55rem;
    height: 0.55rem;
    border: 0.125rem solid var(--colour-teal);
    border-radius: 50%;
    background: var(--colour-white);
  }

  .brs-month-name {
    margin: 0;
    font-size: 1.05rem;
    text-align: left;
  }

  .brs-card {
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
    text-align: left;
  }

  .brs-card-period {
    font-size: 1.15rem;
  }

  .brs-card-status {
    justify-content: flex-start;
    font-size: 0.72rem;
  }

  .brs-card-note {
    position: static;
    width: auto;
    height: auto;
    margin: 0.3rem 0 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    font-size: 0.82rem;
  }

  .brs-year-empty {
    padding-left: 1.25rem;
    font-size: 0.9rem;
  }

  .brs-year--calendar .brs-months {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.35rem;
    padding-left: 0;
  }

  .brs-year--calendar .brs-months::before {
    display: none;
  }

  .brs-year--calendar .brs-months .brs-month--quiet {
    display: block;
    min-height: 3.5rem;
    margin: 0;
    padding: 0.5rem 0.25rem;
  }

  .brs-year--calendar .brs-month-name {
    text-align: center;
    font-size: 0.85rem;
  }

  .brs-year--calendar .brs-year-empty {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .brs-legend {
    display: grid;
    gap: 0.6rem;
  }
}