/* Activities: each class keeps its own accent within the Gymnos visual language. */
.activities-section .activity-head p { max-width: 400px; }
.activity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
  gap: clamp(30px, 4vw, 72px);
  align-items: start;
}
.activity-list { min-width: 0; }
.activity-list .activity-item {
  display: block;
  min-height: 0;
  padding: 0;
  border-top: 1px solid #bfc2b7;
  color: var(--ink);
  transition: background-color .22s ease, color .22s ease;
}
.activity-list .activity-item:last-child { border-bottom: 1px solid #bfc2b7; }
.activity-list .activity-item[hidden] { display: none; }
.activity-list .activity-item.is-active {
  background: var(--activity-color);
  color: var(--activity-ink);
}
.activity-heading { margin: 0; font: inherit; }
.activity-mobile-meta,.activity-help-mobile,.activity-expand-icon { display: none; }
.activity-symbol .activity-expand-icon { display: none; }
.activity-trigger {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 130px 26px;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 82px;
  padding: 12px 16px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.activity-trigger:focus-visible { outline: 2px solid currentColor; outline-offset: -5px; }
.activity-trigger .activity-number {
  font-family: var(--display);
  font-size: 25px;
  font-weight: 800;
  color: inherit;
  opacity: .72;
}
.activity-trigger strong {
  font-family: var(--display);
  font-size: clamp(31px, 3vw, 47px);
  line-height: .95;
  letter-spacing: -.035em;
  white-space: nowrap;
}
.activity-trigger .activity-kind {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-align: right;
  opacity: .72;
}
.activity-trigger .activity-symbol {
  font-size: 23px;
  line-height: 1;
  text-align: right;
  transition: transform .22s ease;
}
.activity-item.is-active .activity-symbol { transform: translate(2px, -2px); }
@media (min-width: 981px) and (hover: hover) {
  .activity-list .activity-item:hover { background: var(--activity-color); color: var(--activity-ink); }
  .activity-item:hover .activity-symbol { transform: translate(2px, -2px); }
}
.activity-inline-detail { display: none; }
.activity-feature {
  position: sticky;
  top: 108px;
  min-width: 0;
  background: var(--feature-color);
  color: var(--feature-ink);
  transition: background-color .25s ease, color .25s ease;
}
.activity-feature-copy {
  min-height: 370px;
  padding: clamp(24px, 2.5vw, 39px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 30px;
}
.activity-feature-top,
.activity-feature-kind,
.activity-feature-photo span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}
.activity-feature-top { display: flex; justify-content: space-between; gap: 16px; }
.activity-feature-top span:last-child { font-size: 21px; line-height: 1; }
.activity-feature-kind { display: block; margin-bottom: 10px; }
.activity-feature-title {
  font-family: var(--display);
  font-size: clamp(58px, 5.5vw, 90px);
  letter-spacing: -.055em;
  line-height: .85;
  margin: 0 0 17px;
  overflow-wrap: anywhere;
}
.activity-feature.is-long .activity-feature-title { font-size: clamp(48px, 4.6vw, 68px); }
.activity-feature-description { max-width: 450px; font-size: 16px; line-height: 1.45; margin: 0; }
.activity-feature-specs { margin-top: 25px; }
.activity-specs {
  display: flex;
  gap: clamp(24px, 3vw, 55px);
  border-top: 1px solid currentColor;
  padding-top: 15px;
}
.activity-spec { display: flex; flex-direction: column; gap: 8px; }
.activity-spec > span:first-child {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}
.activity-spec strong {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1;
  white-space: nowrap;
}
.activity-scale { display: flex; align-items: center; gap: 10px; }
.activity-meter { display: inline-flex; align-items: end; gap: 3px; }
.activity-meter i {
  display: block;
  width: 8px;
  height: 20px;
  border: 1px solid currentColor;
  opacity: .7;
}
.activity-meter i.filled { background: currentColor; opacity: 1; }
.activity-feature-photo { position: relative; background: #292b27; }
.activity-feature-photo img { width: 100%; height: auto; aspect-ratio: 683 / 384; object-fit: cover; }
.activity-feature-photo span {
  position: absolute;
  left: 0;
  top: 0;
  background: #181a17;
  color: #fff;
  padding: 12px 16px;
}
@media (max-width: 980px) {
  .activities-section { padding: 58px 0; }
  .activities-section .section-title { font-size: clamp(39px, 10.5vw, 60px); line-height: .9; margin: 34px 0 24px; }
  .activities-section .activity-head p { font-size: 15px; margin-bottom: 28px; }
  .activity-layout { display: block; }
  .activity-feature { display: none; }
  .activity-help-desktop { display: none; }
  .activity-help-mobile { display: inline; }
  .activity-list .activity-item { border: 1px solid #d2d6c9; border-left: 4px solid var(--activity-color); margin: 0 0 12px; background: #fbf9f2; }
  .activity-list .activity-item:last-child { border-bottom: 1px solid #d2d6c9; }
  .activity-list .activity-item.is-expanded { background: var(--activity-color); border-color: var(--activity-color); color: var(--activity-ink); }
  .activity-trigger { grid-template-columns: 27px minmax(0, 1fr) 28px; gap: 6px 10px; min-height: 120px; padding: 18px 15px; }
  .activity-trigger .activity-number { grid-row: 1 / 4; align-self: start; font-size: 22px; line-height: 1.15; }
  .activity-trigger strong { grid-column: 2; font-size: clamp(27px, 6.8vw, 36px); }
  .activity-trigger .activity-kind { grid-column: 2; grid-row: 2; text-align: left; }
  .activity-trigger .activity-mobile-meta { display: block; grid-column: 2; grid-row: 3; font: 700 11px/1.5 var(--sans); letter-spacing: .01em; }
  .activity-trigger .activity-symbol { grid-column: 3; grid-row: 1 / 4; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 1px solid currentColor; transform: none; }
  .activity-symbol > .icon:first-child { display: none; }
  .activity-symbol .activity-expand-icon { display: block; width: 19px; height: 19px; }
  .activity-plus-stem { transform-origin: 12px 12px; transition: transform .22s ease; }
  .is-expanded .activity-plus-stem { transform: scaleY(0); }
  .activity-inline-detail {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows .28s ease, opacity .2s ease;
  }
  .activity-inline-content { min-height: 0; overflow: hidden; }
  .activity-item.is-expanded .activity-inline-detail { grid-template-rows: 1fr; opacity: 1; }
  .activity-inline-detail p { color: inherit; font-size: 15px; line-height: 1.5; margin: 0; padding: 0 18px 21px; max-width: 590px; }
  .activity-inline-photo { position: relative; isolation: isolate; background: var(--activity-color); aspect-ratio: 16 / 9; }
  .activity-inline-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.12); mix-blend-mode: multiply; opacity: .88; }
  .activity-inline-photo:after { content: ''; position: absolute; inset: 0; background: var(--activity-color); mix-blend-mode: color; opacity: .35; pointer-events: none; }
  .filter-row { flex-wrap: nowrap; gap: 6px; }
  .filter { flex: 1 1 auto; padding: 12px 10px; min-height: 44px; font-size: 10px; white-space: nowrap; }
  .filter span { margin-left: 5px; }
}
@media (max-width: 430px) {
  .activity-trigger { padding: 17px 12px; gap: 6px 8px; }
  .activity-trigger strong { font-size: clamp(25px, 7vw, 30px); }
  .activity-trigger .activity-kind { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .activity-item, .activity-symbol, .activity-feature, .activity-inline-detail, .activity-plus-stem { transition: none !important; }
}

.activity-sessions { display: inline-flex; align-items: center; min-height: 44px; margin-top: 20px; padding: 10px 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: inherit; font: 800 13px/1.4 var(--sans); text-align: left; cursor: pointer; }
.activity-sessions:hover { border-bottom-width: 3px; padding-bottom: 8px; }
.activity-sessions:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
@media (max-width: 980px) {
  .activity-inline-content > .activity-sessions { margin: 0 18px 22px; max-width: calc(100% - 36px); }
}