.activities-page { overflow: clip; }

.activities-hero {
  padding: clamp(82px, 10vw, 145px) 0 108px;
  background: radial-gradient(circle at 82% 35%, var(--hero-glow), transparent 25rem), var(--bg);
  border-bottom: 1px solid var(--line);
}

.activities-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 320px);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
}

.activities-hero h1 {
  max-width: 930px;
  margin: 15px 0 25px;
  color: var(--ink);
  font: clamp(3.2rem, 6.2vw, 5.9rem)/1.04 var(--display);
  letter-spacing: -.035em;
}

.activities-hero h1 em,
.collab-contact-box h2 em,
.contact-hero h1 em { color: var(--clay); font-style: italic; }

.collab-contact-box h2 em { color: var(--paper, var(--white)); }

.activities-hero p:not(.eyebrow) { max-width: 700px; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }

.activities-index-card {
  position: relative;
  display: flex;
  min-height: 300px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  overflow: hidden;
  background: var(--forest-900, var(--green-dark));
  color: var(--paper, var(--white));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.activities-index-card::before {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 210px;
  height: 210px;
  content: '';
  border: 1px solid color-mix(in srgb, currentColor 20%, transparent);
  border-radius: 50%;
}

.activities-index-card span {
  position: absolute;
  top: 24px;
  left: 25px;
  color: var(--paper, var(--white));
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.activities-index-card strong { font: 2.25rem/1.08 var(--display); }
.activities-index-card small { margin-top: 8px; color: var(--paper, var(--white)); }
.activities-index-card i { position: absolute; right: 25px; bottom: 25px; font-style: normal; font-size: 1.4rem; }

.activities-catalog,
.areas-catalog,
.collab-options { padding: 100px 0; background: var(--paper, var(--surface)); }

.activity-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 45px;
}

.activity-card {
  position: relative;
  display: flex;
  min-height: 280px;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease-slow), box-shadow var(--ease-slow), border-color var(--ease), background-color var(--ease);
}

.activity-card:hover {
  border-color: color-mix(in srgb, var(--green) 32%, var(--line));
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.activity-card--featured { background: var(--green-soft); }
.activity-number,
.collab-number { color: var(--muted); }
.activity-type { display: block; margin-bottom: 8px; color: var(--clay); }

.activity-card h3,
.collab-card h3 {
  margin: 0 0 13px;
  color: var(--ink);
  font: clamp(1.85rem, 2.7vw, 2.7rem)/1.08 var(--display);
}

.activity-card p,
.collab-card p { max-width: 620px; margin: 0; color: var(--muted); }

.activity-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  align-self: flex-end;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--green);
}

.agenda-section { padding: 100px 0; background: var(--surface-alt); }

.agenda-heading {
  display: grid;
  grid-template-columns: .65fr 1.2fr;
  gap: 50px;
  align-items: end;
}

.agenda-heading h2 {
  margin: 0;
  color: var(--ink);
  font: clamp(2.6rem, 4.5vw, 4.5rem)/1.04 var(--display);
}

.agenda-heading p { max-width: 420px; margin: 0; color: var(--muted); }

.agenda-empty {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 25px;
  align-items: center;
  margin-top: 45px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.agenda-empty-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  font: 2rem var(--display);
}

.agenda-empty strong { color: var(--ink); font: 1.5rem/1.1 var(--display); }
.agenda-empty p { margin: 5px 0 0; color: var(--muted); }

.activities-blog-bridge,
.collab-contact { padding: 100px 0; background: var(--bg); }

.bridge-card,
.collab-contact-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 45px;
  align-items: center;
  padding: 45px;
  background: var(--forest-900, var(--green-dark));
  color: var(--paper, var(--white));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.bridge-card h2 {
  margin: 6px 0 0;
  font: clamp(2rem, 3.5vw, 3.5rem)/1.08 var(--display);
}

.bridge-card p,
.collab-contact-box p {
  margin: 0;
  color: var(--paper, var(--white));
}

.bridge-card .btn-dark,
.collab-contact-box .btn-dark {
  background: var(--paper, var(--white));
  color: var(--forest-900, var(--green-dark));
}

.bridge-card .btn-dark:hover,
.collab-contact-box .btn-dark:hover { background: var(--surface); }

.area-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.area-feature-card {
  position: relative;
  display: flex;
  min-height: 300px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--ease-slow), box-shadow var(--ease-slow), background-color var(--ease), border-color var(--ease);
}

.area-feature-card:hover {
  background: var(--green-soft);
  border-color: color-mix(in srgb, var(--green) 32%, var(--line));
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.area-feature-card:focus-visible { z-index: 1; }

.area-feature-card--large {
  grid-row: span 2;
  min-height: 618px;
  background: var(--forest-900, var(--green-dark));
  color: var(--paper, var(--white));
}

.area-feature-card--large:hover { background: color-mix(in srgb, var(--forest-900, var(--green-dark)) 88%, var(--green)); }
.area-feature-card > span {
  position: absolute;
  top: 23px;
  left: 28px;
  color: var(--muted);
}

.area-feature-card--large > span { color: var(--paper, var(--white)); }

.area-feature-card h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font: clamp(2rem, 3.6vw, 3.8rem)/1.06 var(--display);
}

.area-feature-card p { margin: 0 0 18px; color: var(--muted); }
.area-feature-card strong { color: var(--green); font-size: .76rem; }
.area-feature-card--large h2,
.area-feature-card--large p,
.area-feature-card--large strong { color: var(--paper, var(--white)); }

.area-notes { padding: 100px 0; background: var(--surface-alt); }

.area-notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px 100px;
}

.area-notes article {
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.area-notes h2 {
  margin: 8px 0 15px;
  color: var(--ink);
  font: clamp(1.85rem, 2.7vw, 2.8rem)/1.08 var(--display);
}

.area-notes p { margin: 0; color: var(--muted); }

.collab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 45px;
}

.collab-card {
  display: flex;
  min-height: 290px;
  flex-direction: column;
  align-items: flex-start;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease-slow), box-shadow var(--ease-slow), border-color var(--ease), background-color var(--ease);
}

.collab-card:hover {
  border-color: color-mix(in srgb, var(--green) 32%, var(--line));
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.collab-card--featured { background: var(--green-soft); }
.collab-card h3 { margin-top: 20px; }
.collab-card .arrow-link,
.collab-card .btn { margin-top: auto; }

.collab-contact-box h2 {
  margin: 7px 0 0;
  color: var(--paper, var(--white));
  font: clamp(2.15rem, 3.6vw, 3.7rem)/1.05 var(--display);
}

@media (max-width: 900px) {
  .activities-hero-grid,
  .agenda-heading,
  .bridge-card,
  .collab-contact-box { grid-template-columns: 1fr; }

  .activity-cards,
  .area-feature-grid,
  .collab-grid,
  .area-notes-grid { grid-template-columns: 1fr; }

  .area-feature-card--large { grid-row: auto; min-height: 380px; }
  .agenda-heading { gap: 20px; }
  .bridge-card,
  .collab-contact-box { gap: 22px; }
  .activities-index-card { min-height: 230px; }
}

@media (max-width: 600px) {
  .activities-hero { padding: 65px 0 75px; }
  .activities-hero h1 { font-size: clamp(2.75rem, 12vw, 3.9rem); }

  .activities-catalog,
  .areas-catalog,
  .collab-options,
  .agenda-section,
  .area-notes,
  .activities-blog-bridge,
  .collab-contact { padding: 72px 0; }

  .activity-card,
  .collab-card { min-height: 250px; padding: 25px; }
  .agenda-empty { grid-template-columns: 1fr; }
  .bridge-card,
  .collab-contact-box { padding: 28px; }
  .area-feature-card--large { min-height: 330px; }
}