/* ============================================================
   OII4 ACTIVITY BRIEFS
============================================================ */

.activity-brief-single {
  background: #ffffff;
}

/* Hero */
.activity-hero {
  position: relative;
  min-height: 72svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #061525;
  color: #ffffff;
}

.activity-hero__media {
  position: absolute;
  inset: 0;
}

.activity-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(6,21,37,0.22) 0%,
      rgba(6,21,37,0.62) 48%,
      rgba(6,21,37,0.95) 100%
    ),
    radial-gradient(circle at 15% 20%, rgba(217,178,111,0.22), transparent 34%);
}

.activity-hero__content {
  position: relative;
  z-index: 2;
  padding-block: 10rem 4.5rem;
}

.activity-hero .oii-kicker {
  color: #f7d7a2;
}

.activity-hero h1 {
  max-width: 1050px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.activity-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.activity-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  color: rgba(255,255,255,0.86);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(12px);
  font-size: 0.88rem;
  font-weight: 700;
}

/* Body */
.activity-body {
  background:
    radial-gradient(circle at 0% 0%, rgba(217,178,111,0.10), transparent 30%),
    #ffffff;
}

.activity-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.activity-story {
  max-width: 820px;
}

.activity-story .oii-kicker {
  margin-bottom: 1.25rem;
}

.activity-summary {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.9;
  color: #1f2937;
}

.activity-summary h2,
.activity-summary h3,
.activity-summary h4 {
  margin-top: 2.2rem;
  color: #071b2f;
}

.activity-summary p + p {
  margin-top: 1rem;
}

/* Sidebar */
.activity-sidebar {
  position: sticky;
  top: 120px;
}

.activity-facts {
  padding: 1.4rem;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(248,250,252,0.96), rgba(255,255,255,0.96));
  border: 1px solid rgba(100,116,139,0.14);
  box-shadow: 0 24px 60px rgba(7,27,47,0.10);
}

.activity-facts h2 {
  margin: 0 0 1rem;
  color: #071b2f;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.activity-facts div {
  padding: 1rem 0;
  border-top: 1px solid rgba(100,116,139,0.14);
}

.activity-facts strong {
  display: block;
  margin-bottom: 0.25rem;
  color: #64748b;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.activity-facts span {
  color: #071b2f;
  font-weight: 800;
}

/* Gallery */
.activity-gallery {
  background: #f8fafc;
}

.activity-gallery .home-section-head {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.activity-gallery__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.activity-gallery__grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #061525;
  box-shadow: 0 20px 45px rgba(7,27,47,0.10);
}

.activity-gallery__grid figure:nth-child(1) {
  grid-column: span 7;
  grid-row: span 2;
}

.activity-gallery__grid figure:nth-child(2) {
  grid-column: span 5;
}

.activity-gallery__grid figure:nth-child(3) {
  grid-column: span 5;
}

.activity-gallery__grid figure:nth-child(n+4) {
  grid-column: span 4;
}

.activity-gallery__grid img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transition: transform 700ms ease;
}

.activity-gallery__grid figure:hover img {
  transform: scale(1.06);
}

/* Responsive */
@media (max-width: 980px) {
  .activity-body__grid {
    grid-template-columns: 1fr;
  }

  .activity-sidebar {
    position: static;
  }

  .activity-gallery__grid {
    grid-template-columns: 1fr;
  }

  .activity-gallery__grid figure,
  .activity-gallery__grid figure:nth-child(1),
  .activity-gallery__grid figure:nth-child(2),
  .activity-gallery__grid figure:nth-child(3),
  .activity-gallery__grid figure:nth-child(n+4) {
    grid-column: span 1;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .activity-hero {
    min-height: 64svh;
  }

  .activity-hero__content {
    padding-block: 8rem 3rem;
  }

  .activity-meta span {
    width: 100%;
    justify-content: center;
  }
}

.activity-meta a {
  color: inherit;
  text-decoration: none;
}

.activity-meta a:hover,
.activity-meta a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
}

.activity-report-section {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

.activity-report-section--lead {
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96), rgba(248,250,252,0.9));
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
}

.activity-report-section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-heading, "Sora", sans-serif);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  letter-spacing: -0.04em;
  color: var(--brand-navy, #0f2742);
}

.activity-report-section p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(15, 23, 42, 0.76);
}

.activity-side-link {
  display: inline-flex;
  margin-top: 1.25rem;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  background: var(--brand-navy, #0f2742);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.activity-side-link:hover,
.activity-side-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.18);
}

.activity-related {
  background:
    radial-gradient(circle at top left, rgba(237,156,102,0.18), transparent 36%),
    linear-gradient(180deg, #f8fafc, #ffffff);
}

.activity-related .activity-card {
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.activity-related .activity-card__content {
  padding: 1.5rem;
}

.activity-related .activity-card__content h2 {
  font-size: 1.15rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.activity-related .activity-card__content h2 a {
  color: var(--brand-navy, #0f2742);
  text-decoration: none;
}

.activity-related .activity-card__link {
  display: inline-flex;
  margin-top: 0.85rem;
  font-weight: 800;
  color: var(--brand-orange, #ED9C66);
  text-decoration: none;
}

.activity-hero__media:empty {
  background:
    radial-gradient(circle at 18% 20%, rgba(237,156,102,0.28), transparent 32%),
    linear-gradient(135deg, #061525, #0f2742 52%, #17385a);
}

.activity-report-section ul,
.activity-report-section ol {
  margin: 1rem 0 0 1.25rem;
  color: rgba(15, 23, 42, 0.76);
  line-height: 1.85;
}

.activity-archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.activity-card__image {
  position: relative;
  display: block;
  min-height: 240px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(237,156,102,0.22), transparent 34%),
    linear-gradient(135deg, #061525, #17385a);
}

.activity-card__image img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 700ms ease;
}

.activity-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6,21,37,0.72));
}

.activity-related .activity-card:hover .activity-card__image img {
  transform: scale(1.06);
}

.activity-card__excerpt {
  color: rgba(15, 23, 42, 0.68);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .activity-archive-grid {
    grid-template-columns: 1fr;
  }
}