.collection-hero {
  padding-block: clamp(84px, 11vw, 145px) clamp(65px, 8vw, 100px);
}

.collection-hero h1 {
  max-width: 1050px;
  margin: 0;
  font-size: clamp(4.2rem, 9.5vw, 9rem);
  font-weight: 860;
  line-height: .87;
  letter-spacing: -.078em;
}

.collection-hero h1 span { color: var(--accent); }

.collection-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-top: 54px;
}

.collection-intro p {
  max-width: 49ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.collection-count {
  justify-self: end;
  font-size: .77rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.collection-body { padding-block: clamp(82px, 10vw, 135px); }

.collection-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 42px;
  align-items: end;
  margin-bottom: 54px;
}

.collection-heading h2 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.9rem, 5.8vw, 5.8rem);
  line-height: .92;
  letter-spacing: -.065em;
}

.collection-heading p {
  max-width: 44ch;
  margin: 0;
  color: var(--muted);
}

.collection-heading h2 + p { margin-top: 20px; }

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

.resource-row {
  min-height: 145px;
  padding: 27px 24px 27px 0;
  display: grid;
  grid-template-columns: 70px minmax(220px, .9fr) minmax(280px, 1.35fr) auto;
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding .2s ease;
}

.resource-row:hover { padding-left: 24px; background: white; }
.resource-no { color: var(--accent); font-size: .77rem; font-weight: 800; letter-spacing: .1em; }
.resource-title h3 { margin: 0 0 5px; font-size: clamp(1.55rem, 2.8vw, 2.6rem); line-height: 1; letter-spacing: -.045em; }
.resource-title span { color: var(--muted); font-size: .74rem; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }
.resource-row p { max-width: 52ch; margin: 0; color: var(--muted); }
.resource-arrow { color: var(--accent); font-size: 1.5rem; transition: transform .2s ease; }
.resource-row:hover .resource-arrow { transform: translate(4px, -4px); }

.book-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}

.book-card {
  min-height: 445px;
  padding: 30px 34px 34px 0;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding .2s ease;
}

.book-card:nth-child(even) { padding-left: 34px; border-left: 1px solid var(--line); }
.book-card:hover { padding-left: 34px; background: white; }
.book-top { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .73rem; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
.book-card h2 { max-width: 12ch; margin: 58px 0 8px; font-size: clamp(2.35rem, 4vw, 4.1rem); line-height: .94; letter-spacing: -.057em; }
.book-author { margin: 0; color: var(--accent); font-weight: 760; }
.book-take { margin-top: auto; padding-top: 34px; border-top: 1px solid var(--line); color: var(--muted); }
.book-take strong { display: block; margin-bottom: 9px; color: var(--ink); font-size: .74rem; letter-spacing: .11em; text-transform: uppercase; }

.music-body { padding-block: clamp(82px, 10vw, 135px); background: var(--ink); color: white; }
.music-body .collection-heading p { color: rgba(255,255,255,.6); }
.track-list { border-top: 1px solid rgba(255,255,255,.18); }
.track-row {
  min-height: 118px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) auto auto;
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.18);
  transition: background .2s ease, padding .2s ease;
}
.track-row:hover { padding-inline: 22px; background: rgba(255,255,255,.055); }
.track-no { color: var(--accent); font-size: .77rem; font-weight: 800; letter-spacing: .1em; }
.track-title strong { display: block; font-size: clamp(1.45rem, 2.8vw, 2.45rem); line-height: 1.05; letter-spacing: -.04em; }
.track-title span { display: block; margin-top: 7px; color: rgba(255,255,255,.52); font-size: .76rem; font-weight: 760; letter-spacing: .09em; text-transform: uppercase; }
.track-tag { color: rgba(255,255,255,.55); font-size: .73rem; font-weight: 760; letter-spacing: .1em; text-transform: uppercase; }
.play-mark { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; color: var(--accent); transition: background .2s ease, color .2s ease; }
.track-row:hover .play-mark { background: var(--accent); color: var(--ink); border-color: var(--accent); }

@media (max-width: 820px) {
  .collection-intro, .collection-heading { grid-template-columns: 1fr; }
  .collection-count { justify-self: start; }
  .resource-row { grid-template-columns: 52px 1fr auto; gap: 20px; }
  .resource-row p { grid-column: 2 / 4; }
  .book-grid { grid-template-columns: 1fr; }
  .book-card, .book-card:nth-child(even) { min-height: 400px; padding-inline: 0; border-left: 0; }
  .book-card:hover { padding-left: 18px; }
}

@media (max-width: 520px) {
  .collection-hero h1 { font-size: 3.9rem; }
  .resource-row { grid-template-columns: 38px 1fr auto; padding-right: 0; }
  .resource-row:hover { padding-left: 10px; }
  .track-row { grid-template-columns: 36px 1fr auto; gap: 15px; }
  .track-tag { display: none; }
  .track-row:hover { padding-inline: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .resource-row, .resource-arrow, .book-card, .track-row, .play-mark { transition: none; }
}