:root {
  color-scheme: light;
  --bg: #f6f7f2;
  --surface: #ffffff;
  --surface-soft: #eef4f3;
  --ink: #17202a;
  --muted: #5b6773;
  --line: #d8dfdc;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --gold: #b7791f;
  --coral: #c2410c;
  --shadow: 0 18px 45px rgba(23, 32, 42, 0.12);
  --radius: 8px;
  --max-width: 1120px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(183, 121, 31, 0.09) 45%, rgba(194, 65, 12, 0.06)),
    var(--bg);
  color: var(--ink);
  font-family: inherit;
  line-height: 1.5;
}

a {
  color: inherit;
}

.page-shell {
  width: min(100% - 32px, var(--max-width));
  min-height: 100vh;
  margin: 0 auto;
  padding: 40px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hero,
.placeholder-panel {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(216, 223, 220, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: clamp(28px, 5vw, 56px);
  display: grid;
  gap: 14px;
  border-top: 6px solid var(--teal);
}

.compact-hero {
  padding-block: clamp(26px, 4vw, 42px);
}

.eyebrow {
  margin: 0;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 0;
  font-size: clamp(2.15rem, 6vw, 4.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.section-heading {
  margin-bottom: 18px;
  display: grid;
  gap: 6px;
}

.section-heading p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.activity-card {
  min-height: 252px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(23, 32, 42, 0.08);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.activity-card.compact {
  min-height: 196px;
}

.activity-card:hover,
.activity-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--teal);
  box-shadow: 0 16px 36px rgba(23, 32, 42, 0.14);
}

.activity-card:focus-visible,
.button-link:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.35);
  outline-offset: 3px;
}

.card-kicker,
.status-pill {
  width: fit-content;
  padding: 5px 9px;
  background: var(--surface-soft);
  color: var(--teal-dark);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.card-title {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 850;
  line-height: 1.16;
}

.card-copy {
  color: var(--muted);
  font-size: 0.98rem;
}

.card-action {
  margin-top: auto;
  color: var(--teal-dark);
  font-weight: 800;
}

.folder-index {
  display: grid;
  gap: 22px;
}

.folder-index-group {
  padding: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.folder-index-group h3 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.folder-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.folder-links a {
  padding: 7px 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--teal-dark);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.folder-links a:hover,
.folder-links a:focus-visible {
  border-color: var(--teal);
  outline: none;
}

.breadcrumb,
.path-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--teal-dark);
  font-weight: 800;
  text-decoration: none;
}

.note-panel {
  padding: 18px 20px;
  background: rgba(238, 244, 243, 0.8);
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius);
}

.note-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.placeholder-main {
  display: grid;
  place-items: center;
  flex: 1;
}

.placeholder-panel {
  width: min(100%, 760px);
  padding: clamp(28px, 5vw, 48px);
  display: grid;
  gap: 18px;
  border-top: 6px solid var(--gold);
}

.placeholder-panel h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.placeholder-panel p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.button-row {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-link {
  min-height: 44px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #ffffff;
  border: 1px solid var(--teal-dark);
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button-link:hover {
  background: var(--teal-dark);
}

.site-footer {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .activity-grid,
  .collection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 22px, var(--max-width));
    padding-top: 18px;
  }

  .hero,
  .placeholder-panel {
    padding: 24px;
  }

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

  .activity-card {
    min-height: 210px;
  }

  .site-footer {
    display: grid;
  }
}