*,
*::before,
*::after { box-sizing: border-box; }

html { color: var(--ink); background: var(--bg); font-family: var(--font-body); }
body { min-width: 0; margin: 0; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 0.55rem 0.8rem;
  color: var(--surface);
  background: var(--accent);
  transform: translateY(-120%);
}

.skip-link:focus { transform: translateY(0); }

.hub-shell {
  width: min(100% - 3rem, 68rem);
  margin-inline: auto;
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

.top-nav,
.hub-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  font: 500 0.76rem/1.4 var(--font-display);
}

.top-nav a,
.hub-footer a { text-decoration: none; }
.top-nav a:hover,
.hub-footer a:hover { text-decoration: underline; }

.hub-header {
  max-width: 58rem;
  padding-block: 0 clamp(0.75rem, 1.25vw, 1rem);
}

.eyebrow {
  color: var(--accent-text);
  font: 600 0.67rem/1.3 var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow { margin: 0 0 0.9rem; }
h1, h2, p { margin-top: 0; }

h1 {
  max-width: 32ch;
  margin-bottom: 1rem;
  font: 700 clamp(2rem, 3.6vw, 3.1rem)/1 var(--font-display);
  letter-spacing: -0.055em;
}

.deck {
  max-width: 44rem;
  margin-bottom: 0;
  color: var(--body-text);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.55;
}

.hub-visual {
  aspect-ratio: 1733 / 605;
  overflow: hidden;
  margin: 0 0 clamp(2rem, 5vw, 4rem);
}
.hub-visual picture,
.hub-visual img { display: block; width: 100%; height: 100%; }
.hub-visual img { object-fit: cover; object-position: center; }

.materials { padding-bottom: clamp(2rem, 5vw, 4rem); }

/* A quiet section label, not a second page heading. */
.materials h2 {
  margin-bottom: 0.9rem;
  color: var(--muted);
  font: 500 0.72rem/1.4 var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 1.1rem;
  font: 600 clamp(1.05rem, 1.7vw, 1.35rem)/1.2 var(--font-display);
  letter-spacing: -0.025em;
}

.material-list { border-top: 1px solid var(--border); }

.material-row {
  display: grid;
  grid-template-columns: 3.75rem minmax(0, 1fr) 8rem 2.25rem;
  gap: clamp(0.8rem, 2vw, 1.5rem);
  align-items: center;
  min-height: 7.5rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border);
  color: inherit;
  text-decoration: none;
}

.material-row:hover { color: inherit; background: linear-gradient(90deg, transparent, var(--accent-pale) 14%, var(--accent-pale) 86%, transparent); }
.material-row:hover .material-copy strong,
.material-row:hover .material-arrow { color: var(--accent); }

.material-number { display: none; }

.material-symbol {
  display: grid;
  width: 3.4rem;
  height: 3.4rem;
  place-items: center;
  color: var(--ink);
}

.material-symbol svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.material-copy { display: grid; min-width: 0; gap: 0.32rem; }
.material-copy strong { font: 700 clamp(1.05rem, 1.8vw, 1.35rem)/1.18 var(--font-display); letter-spacing: -0.03em; transition: color 120ms ease; }
.material-copy > span:last-child { max-width: 64ch; color: var(--body-text); font-size: 0.93rem; line-height: 1.45; }
.material-time { justify-self: end; color: var(--muted); font: 500 0.7rem/1.35 var(--font-display); text-align: right; }
.material-arrow { justify-self: end; color: var(--accent); font: 500 1.65rem/1 var(--font-display); transition: transform 120ms ease; }
.material-row:hover .material-arrow { transform: translateX(0.18rem); }

.hub-footer { padding-top: 1.25rem; border-top: 1px solid var(--border); }

@media (max-width: 640px) {
  .hub-shell { width: min(100% - 2rem, 68rem); }
  .hub-header { padding-block: 0 1rem; }
  .material-row { grid-template-columns: 3rem minmax(0, 1fr); min-height: 0; padding: 1.2rem 0; }
  .material-symbol { width: 2.75rem; height: 2.75rem; }
  .material-time { grid-column: 2; justify-self: start; text-align: left; }
  .material-arrow { display: none; }
  .material-copy > span:last-child { font-size: 0.88rem; }
}

@media (prefers-reduced-motion: reduce) {
  .material-copy strong,
  .material-arrow { transition: none; }
}