:root {
  color-scheme: light;
  --paper: #f3f5f2;
  --ink: #173d35;
  --muted: #455f55;
  --line: #d6e0d8;
  --accent: #237260;
  font-family: system-ui, sans-serif;
  line-height: 1.55;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-underline-offset: .24em; }
a:focus-visible { outline: 3px solid #12679e; outline-offset: 4px; }
.wrap { width: min(72rem, calc(100% - 3rem)); margin-inline: auto; }

.skip-link {
  position: absolute;
  top: .75rem;
  left: .75rem;
  z-index: 1;
  padding: .6rem .9rem;
  background: white;
  transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }
.site-header { background: white; border-bottom: 1px solid var(--line); }
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--line);
}

.masthead span { color: var(--muted); font-size: .875rem; }
.brand { font-weight: 800; letter-spacing: .12em; text-decoration: none; }
.main-nav {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: .4rem;
  margin: 0;
  padding: .45rem 0;
  list-style: none;
}

.main-nav a {
  display: block;
  padding: .65rem .45rem;
  border-radius: .35rem;
  font-size: .875rem;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
}

.main-nav a:hover { background: #eaf2ed; text-decoration: underline; }

.eyebrow { color: #c0e5ce; font-size: .75rem; font-weight: 700; letter-spacing: .14em; }
.levels h2 { margin-bottom: 1rem; font-size: 1.55rem; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.category {
  padding: 1.15rem 1.25rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: white;
  scroll-margin-top: 1rem;
}

.category:target { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.category-number { color: var(--accent); font-size: .8rem; font-weight: 700; letter-spacing: .08em; }
.category h3 { margin-block: .3rem; font-size: 1.1rem; }
.category p { color: var(--muted); font-size: .93rem; }
.category-link { display: inline-block; margin-top: .65rem; color: var(--accent); font-size: .86rem; font-weight: 650; }
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem;
  margin-top: 2.5rem;
  padding-block: 1rem 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}

@media (max-width: 50rem) {
  .main-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 37rem) {
  .wrap { width: calc(100% - 2rem); }
  .main-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main-nav a { text-align: left; }
  .category-grid { grid-template-columns: 1fr; }
}

.hero {
  position: relative;
  isolation: isolate;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(1.2rem, 3.5vw, 3.2rem);
  margin-block: clamp(1rem, 3vw, 2.1rem) 0;
  padding: clamp(1.2rem, 3.2vw, 2.85rem);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-radius: 1.25rem;
  background: radial-gradient(ellipse at 92% 32%, #215248, transparent 62%), #102d27;
  color: white;
}
.hero-copy { animation: hero-arrive .46s ease-out both; }
@keyframes hero-arrive {
  from { opacity: 0; transform: translateY(.35rem); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 { font-size: clamp(2.4rem, 5.05vw, 4.5rem); line-height: .99; margin-block: .5rem .9rem; text-wrap: balance; }
.hero h1 span { display: block; color: #a2e4b9; font-size: .82em; line-height: 1.15; }
.hero .hero-lead { color: #e4f1e9; max-width: 41ch; font-size: clamp(1rem, 1.65vw, 1.15rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem 1.1rem; margin-top: 1.35rem; }
.hero-actions a { min-height: 2.75rem; display: inline-flex; align-items: center; gap: .45rem; font-size: .9rem; font-weight: 750; }
.hero-primary { padding: .65rem .9rem; border-radius: .55rem; background: #b8ebc8; color: #102d27; text-decoration: none; transition: background-color .2s ease; }
.hero-primary:hover { background: #d8f6e1; }
.hero-actions a:focus-visible, .hero .motion-credit a:focus-visible { outline-color: #fff; }
.hero-media .motion-stage { aspect-ratio: 4 / 3; border: 1px solid #5e8579; background: #071613; border-radius: .75rem; }
.hero-media .motion-caption { color: #e8f3ec; }
.hero-media .motion-credit { color: #bad4c9; }
.hero-media .motion-credit a { color: inherit; }
.hero-media .motion-caption strong { color: #fff; }
.motion-collection { margin-block: clamp(1.9rem, 5vw, 3.1rem) 2.5rem; scroll-margin-top: 1rem; }
.section-kicker { color: var(--accent); font-size: .73rem; font-weight: 800; letter-spacing: .13em; }
.motion-collection h2 { margin: .2rem 0 .22rem; font-size: clamp(1.45rem, 3vw, 2.15rem); line-height: 1.2; letter-spacing: -.032em; }
.motion-intro { margin-bottom: 1.05rem; color: var(--muted); }
.motion-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.motion-card { display: flex; flex-direction: column; gap: .8rem; padding: .72rem .72rem 1rem; background: #fff; border: 1px solid var(--line); border-radius: 1rem; transition: transform .2s ease, box-shadow .2s ease; }
.motion-card:focus-within, .motion-card:hover { box-shadow: 0 .45rem 1.15rem #133c2514; transform: translateY(-2px); }
.motion-card .motion-stage { aspect-ratio: 16 / 10; }
.motion-card .motion-media figcaption { padding-inline: .28rem; }
.motion-card .motion-credit { color: var(--muted); }
.motion-card-heading { display: block; margin: 0 0 .26rem; font-size: 1.12rem; line-height: 1.3; color: var(--ink); }
.motion-card .category-link { align-self: flex-start; margin: auto .28rem 0; }
.category { transition: border-color .2s ease, box-shadow .2s ease; }
.category:focus-within, .category:hover { border-color: #8eb6a4; box-shadow: 0 .35rem 1.1rem #133c2510; }

@media (max-width: 52rem) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .motion-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 42rem) {
  .hero { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 35rem) {
  .motion-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-actions { gap: .35rem .8rem; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-copy { animation: none; }
  .hero-primary, .category, .motion-card { transition: none; }
  .motion-card:focus-within, .motion-card:hover { transform: none; }
}