/* =========================================================
   PULSE — Happenings: vertical news + horizontal events
   ========================================================= */

.pulse {
  --pulse-news-visible: 4;
  --pulse-news-gap: 0.85rem;
  --pulse-card-h: 7.25rem;
  --pulse-rail-h: calc(
    (var(--pulse-news-visible) * var(--pulse-card-h)) +
    ((var(--pulse-news-visible) - 1) * var(--pulse-news-gap))
  );
  padding: clamp(2.5rem, 5.5vw, 4rem) 0 clamp(3.5rem, 6.5vw, 5.25rem);
  background: #fff;
}

.pulse__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.25rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.15rem);
  flex-wrap: wrap;
}
.pulse__intro {
  max-width: 36rem;
}
.pulse__intro h2,
.pulse__intro .section-heading {
  margin: 0 0 0.75rem;
}
.pulse__intro .lede {
  margin: 0;
  max-width: 30rem;
}
.pulse__all {
  text-decoration: underline;
  text-underline-offset: 0.2em;
  flex-shrink: 0;
  margin-bottom: 0.15rem;
}

.pulse__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  align-items: start;
  min-width: 0;
}

/* Shared nav buttons */
.pulse__nav {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid rgba(41, 56, 150, 0.14);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.pulse__nav:hover:not(:disabled) {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.pulse__nav:disabled {
  opacity: 0.35;
  cursor: default;
}
.pulse__nav span {
  display: block;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}
.pulse__nav--up span { transform: rotate(-135deg) translateY(-1px); }
.pulse__nav--down span { transform: rotate(45deg) translateY(-1px); }
.pulse__nav--prev span { transform: rotate(135deg); }
.pulse__nav--next span { transform: rotate(-45deg); }

/* ——— Left: vertical news slider ——— */
.pulse__news {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.pulse__news-controls {
  display: none;
}

.pulse__news-all {
  margin-top: 0.95rem;
  width: fit-content;
}

.pulse__news-viewport {
  height: var(--pulse-rail-h);
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 0.45rem;
  scroll-snap-type: y mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(41, 56, 150, 0.38) rgba(41, 56, 150, 0.08);
  overscroll-behavior-y: auto;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}
.pulse__news-viewport::-webkit-scrollbar {
  width: 5px;
}
.pulse__news-viewport::-webkit-scrollbar-track {
  background: rgba(41, 56, 150, 0.08);
  border-radius: 999px;
}
.pulse__news-viewport::-webkit-scrollbar-thumb {
  background: rgba(41, 56, 150, 0.38);
  border-radius: 999px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--pulse-news-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list > li {
  flex: 0 0 var(--pulse-card-h);
  height: var(--pulse-card-h);
  scroll-snap-align: start;
}

.news-card {
  display: grid;
  grid-template-columns: minmax(7.5rem, 9.5rem) 1fr;
  gap: 0;
  background: var(--white);
  border-radius: var(--r-lg, 1.25rem);
  overflow: hidden;
  height: 100%;
  box-shadow: none;
  border: 1px solid rgba(41, 56, 150, 0.1);
  transition: transform 0.35s var(--ease);
}
.news-card:hover {
  transform: translateY(-2px);
  box-shadow: none;
}
.news-card__media {
  display: block;
  min-height: 100%;
  height: 100%;
  background: #d8dee6;
  overflow: hidden;
}
.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out);
}
.news-card:hover .news-card__media img {
  transform: scale(1.05);
}
.news-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.3rem;
  min-width: 0;
  padding: 0.85rem 1.1rem;
}
.news-card__body time {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maroon);
  font-weight: 600;
}
.news-card__body strong {
  font-size: clamp(0.98rem, 1.4vw, 1.12rem);
  color: var(--navy);
  letter-spacing: -0.015em;
  line-height: 1.25;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__body span {
  color: var(--slate);
  font-size: 0.86rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ——— Right: horizontal event slider ——— */
.pulse__event {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--r-lg, 1.25rem);
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(249, 192, 63, 0.2), transparent 55%),
    linear-gradient(165deg, var(--navy-mid) 0%, var(--navy) 55%, #212d78 100%);
  border: 1px solid rgba(249, 192, 63, 0.22);
  box-shadow: 0 20px 44px rgba(0, 16, 36, 0.22);
  color: var(--white);
}

.pulse__event-controls {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 3;
  display: flex;
  gap: 0.4rem;
}
.pulse__event-controls .pulse__nav {
  background: rgba(255, 255, 255, 0.92);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(0, 16, 36, 0.18);
}

.pulse__event-viewport {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: var(--pulse-rail-h);
  max-height: var(--pulse-rail-h);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: auto;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
  border-radius: 0;
}
.pulse__event-viewport::-webkit-scrollbar {
  display: none;
}

.event-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  max-height: 100%;
  scroll-snap-align: start;
  background: transparent;
  color: inherit;
  border-radius: 0;
  overflow: hidden;
  height: 100%;
  border: 0;
  box-shadow: none;
}
.event-card__media {
  display: block;
  flex: 0 0 58%;
  max-height: 58%;
  min-height: 0;
  overflow: hidden;
  background: #0a335c;
  position: relative;
}
.event-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 21, 46, 0.45) 100%);
  pointer-events: none;
}
.event-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out);
}
.event-card:hover .event-card__media img {
  transform: scale(1.04);
}
.event-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 1rem 1.15rem 3.1rem;
  flex: 1;
  min-height: 0;
}
.event-card__meta {
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 750;
}
.event-card__title {
  display: block;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-weight: 750;
}
.event-card__text {
  opacity: 0.85;
  font-size: 0.88rem;
  line-height: 1.45;
  text-wrap: pretty;
  flex: 0 0 auto;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pulse__event-all {
  position: absolute;
  left: 1.15rem;
  bottom: 1.1rem;
  z-index: 4;
  color: var(--gold);
  text-decoration-color: currentColor;
  font-size: 0.95rem;
  font-weight: 700;
}
.pulse__event-all:hover {
  color: var(--white);
}

/* =========================================================
   PULSE — Responsive
   ========================================================= */

@media (max-width: 980px) {
  .pulse {
    --pulse-news-visible: 3;
    --pulse-card-h: 6.75rem;
  }
  .pulse__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .news-card {
    grid-template-columns: minmax(6.5rem, 8rem) 1fr;
  }
  .event-card__media {
    flex: 0 0 58%;
    max-height: 58%;
  }
}

@media (max-width: 780px) {
  .pulse {
    --pulse-news-visible: 3;
    --pulse-card-h: 6.6rem;
    --pulse-news-gap: 0.7rem;
  }
  .pulse__head {
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .pulse__grid {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    width: 100%;
    min-width: 0;
  }

  .pulse__news,
  .pulse__event,
  .pulse__event-viewport {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .pulse__event {
    order: -1;
  }
  .pulse__event-viewport {
    height: 27.5rem;
    max-height: none;
  }
  .event-card {
    width: 100%;
    max-width: 100%;
    min-height: 27.5rem;
  }
  .event-card__media {
    flex: 0 0 13.25rem;
    max-height: 13.25rem;
  }
  .event-card__body {
    padding: 0.95rem 1rem 3rem;
    gap: 0.4rem;
    flex: 1 1 auto;
  }
  .event-card__title {
    font-size: 1.2rem;
  }
  .event-card__text {
    -webkit-line-clamp: 3;
  }

  .news-card {
    grid-template-columns: 6.6rem minmax(0, 1fr);
  }
  .news-card__body {
    padding: 0.7rem 0.8rem;
    gap: 0.2rem;
  }
  .news-card__body strong {
    font-size: 0.98rem;
    -webkit-line-clamp: 2;
  }
  .news-card__body span {
    display: -webkit-box;
    -webkit-line-clamp: 1;
  }

  .pulse__event-all {
    left: 1rem;
    bottom: 1rem;
  }
}

@media (max-width: 420px) {
  .pulse {
    --pulse-card-h: 6.25rem;
  }
  .news-card {
    grid-template-columns: 5.75rem minmax(0, 1fr);
  }
  .pulse__event-viewport,
  .event-card {
    height: 26.75rem;
    min-height: 26.75rem;
  }
  .event-card__media {
    flex: 0 0 12.5rem;
    max-height: 12.5rem;
  }
}

/* =========================================================
   PULSE — END
   ========================================================= */