.cambridge-listening-page {
  --c21-forest: #173d35;
  --c21-forest-deep: #0c2722;
  --c21-mint: #a6d8c6;
  --c21-lime: #d5e66e;
  --c21-paper: #f5f0e5;
  --c21-ink: #17241f;
  --c21-line: rgba(23, 61, 53, 0.16);
  background: #f7f4ed;
}

.cambridge-listening-page .main-panel {
  background:
    linear-gradient(rgba(23, 61, 53, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 61, 53, 0.028) 1px, transparent 1px),
    #f7f4ed;
  background-size: 28px 28px;
}

.cambridge-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  min-height: 430px;
  overflow: hidden;
  border-radius: 30px;
  color: #fff;
  background: var(--c21-forest);
  box-shadow: 0 28px 70px rgba(12, 39, 34, 0.18);
}

.cambridge-hero-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 58px 64px 62px;
  isolation: isolate;
}

.cambridge-hero-copy::before,
.cambridge-hero-copy::after {
  position: absolute;
  content: "";
  z-index: -1;
  border-radius: 50%;
  filter: blur(1px);
}

.cambridge-hero-copy::before {
  width: 470px;
  height: 470px;
  right: -130px;
  top: -245px;
  border: 1px solid rgba(213, 230, 110, 0.5);
  box-shadow: 0 0 0 42px rgba(213, 230, 110, 0.055), 0 0 0 94px rgba(213, 230, 110, 0.035);
}

.cambridge-hero-copy::after {
  width: 180px;
  height: 180px;
  left: -70px;
  bottom: -100px;
  background: var(--c21-lime);
  opacity: 0.86;
}

.cambridge-kicker,
.shelf-index {
  margin-bottom: 18px;
  color: var(--c21-lime);
  font: 700 12px/1.2 "Aptos Narrow", "Segoe UI", sans-serif;
  letter-spacing: 0.18em;
}

.cambridge-hero h2 {
  max-width: 700px;
  margin: 0;
  font: 800 clamp(50px, 7vw, 92px)/0.88 Georgia, "Times New Roman", serif;
  letter-spacing: -0.055em;
}

.cambridge-hero h2 span {
  display: block;
  margin-bottom: 12px;
  color: var(--c21-mint);
  font: italic 400 clamp(26px, 3vw, 40px)/1.1 Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
}

.cambridge-hero-copy > p {
  max-width: 660px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 16px;
  line-height: 1.8;
}

.cambridge-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.cambridge-listening-page .cambridge-hero-actions .btn {
  min-height: 46px;
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
  background: transparent;
}

.cambridge-listening-page .cambridge-hero-actions .btn.primary {
  border-color: var(--c21-lime);
  color: var(--c21-forest-deep);
  background: var(--c21-lime);
}

.cambridge-resume-link[hidden] { display: none !important; }

.cambridge-edition {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: 18px;
  padding: 48px 44px;
  color: var(--c21-ink);
  background: var(--c21-paper);
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.cambridge-edition .edition-label {
  width: max-content;
  padding: 7px 10px;
  color: var(--c21-paper);
  background: var(--c21-forest);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.cambridge-edition > strong {
  color: var(--c21-forest);
  font: 800 124px/0.8 Georgia, "Times New Roman", serif;
  letter-spacing: -0.08em;
}

.cambridge-edition > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--c21-line);
  color: rgba(23, 36, 31, 0.66);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cambridge-edition > div b {
  color: var(--c21-forest);
  font: 700 26px/1 Georgia, "Times New Roman", serif;
}

.cambridge-shelf {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--c21-line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 20px 50px rgba(12, 39, 34, 0.08);
}

.shelf-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 38px 30px;
  border-bottom: 1px solid var(--c21-line);
}

.shelf-heading h2 {
  margin: 0;
  color: var(--c21-ink);
  font: 700 34px/1.1 Georgia, "Times New Roman", serif;
}

.shelf-heading p {
  margin: 9px 0 0;
  color: #68746e;
}

.shelf-index { margin-bottom: 10px; color: var(--c21-forest); }

.source-seal {
  flex: none;
  padding: 10px 13px;
  border: 1px solid var(--c21-forest);
  color: var(--c21-forest);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.cambridge-volume {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 390px;
}

.volume-cover {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 34px;
  overflow: hidden;
  color: #fff;
  background: var(--c21-forest);
}

.volume-cover::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  content: "";
  border-radius: 50%;
  background: var(--c21-lime);
}

.volume-cover span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.volume-cover strong {
  margin-top: 56px;
  font: 700 42px/1 Georgia, "Times New Roman", serif;
}

.volume-cover b {
  position: relative;
  z-index: 1;
  margin-top: 2px;
  color: var(--c21-mint);
  font: 800 126px/0.9 Georgia, "Times New Roman", serif;
  letter-spacing: -0.08em;
}

.volume-cover small {
  position: relative;
  z-index: 1;
  margin-top: auto;
  color: rgba(255, 255, 255, 0.7);
}

.volume-tests {
  min-width: 0;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(245, 240, 229, 0.7));
}

.planned-test-strip {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--c21-line);
  color: #86908b;
  font-size: 11px;
  letter-spacing: 0.05em;
}

.planned-test-strip span {
  padding: 15px 18px;
  border-right: 1px solid var(--c21-line);
}

.planned-test-strip span:last-child { border-right: 0; }
.planned-test-strip b { margin-right: 5px; color: #66716b; }

.available-test { padding: 28px 30px 30px; }
.available-test + .available-test { border-top: 1px solid var(--c21-line); }

.available-test-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.test-eyebrow {
  display: block;
  margin-bottom: 7px;
  color: var(--c21-forest);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.available-test h3 {
  margin: 0;
  color: var(--c21-ink);
  font: 700 28px/1.1 Georgia, "Times New Roman", serif;
}

.available-test h3 em {
  margin-left: 9px;
  color: #718079;
  font: normal 13px/1.2 "Aptos", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

.suite-button {
  flex: none;
  padding: 10px 14px;
  border: 1px solid var(--c21-forest);
  border-radius: 10px;
  color: var(--c21-paper);
  background: var(--c21-forest);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.suite-button span {
  display: block;
  margin-bottom: 3px;
  color: var(--c21-mint);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.suite-button:hover,
.suite-button:focus-visible {
  background: var(--c21-forest-deep);
  box-shadow: 0 8px 18px rgba(12, 39, 34, 0.2);
  transform: translateY(-2px);
  outline: none;
}

.cambridge-part-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cambridge-part-card {
  position: relative;
  display: flex;
  min-height: 184px;
  flex-direction: column;
  padding: 19px 20px 18px;
  overflow: hidden;
  border: 1px solid var(--c21-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.cambridge-part-card::after {
  position: absolute;
  right: -38px;
  bottom: -55px;
  width: 105px;
  height: 105px;
  content: "";
  border: 16px solid rgba(166, 216, 198, 0.2);
  border-radius: 50%;
  pointer-events: none;
}

.cambridge-part-card:hover {
  border-color: rgba(23, 61, 53, 0.34);
  box-shadow: 0 12px 28px rgba(12, 39, 34, 0.09);
  transform: translateY(-3px);
}

.cambridge-part-card.has-progress { border-color: rgba(213, 230, 110, 0.9); }
.cambridge-part-card.is-complete { border-color: rgba(23, 61, 53, 0.4); }

.part-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.part-card-top span {
  color: var(--c21-forest);
  font: 800 10px/1 "Aptos Narrow", "Segoe UI", sans-serif;
  letter-spacing: 0.17em;
}

.part-card-top b {
  padding: 4px 7px;
  border-radius: 999px;
  color: #748079;
  background: #f0f1ed;
  font-size: 10px;
}

.has-progress .part-card-top b { color: #47510c; background: rgba(213, 230, 110, 0.42); }
.is-complete .part-card-top b { color: var(--c21-forest); background: rgba(166, 216, 198, 0.38); }

.cambridge-part-card h4 {
  max-width: 90%;
  margin: 17px 0 8px;
  color: var(--c21-ink);
  font: 700 17px/1.24 Georgia, "Times New Roman", serif;
}

.cambridge-part-card p {
  margin: 0;
  color: #7a857f;
  font-size: 12px;
}

.part-card-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
}

.part-start-button,
.part-review-link {
  min-height: 34px;
  padding: 8px 11px;
  border: 1px solid var(--c21-forest);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
}

.part-start-button {
  color: var(--c21-paper);
  background: var(--c21-forest);
  cursor: pointer;
}

.part-start-button:hover { background: var(--c21-forest-deep); }

.part-review-link { color: var(--c21-forest); background: transparent; }
.part-review-link:hover { background: rgba(166, 216, 198, 0.2); }
.part-review-link[hidden] { display: none !important; }

.cambridge-boundary-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  padding: 22px 26px;
  border: 1px solid var(--c21-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
}

.boundary-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  color: var(--c21-paper);
  background: var(--c21-forest);
  font: 700 13px/1 Georgia, "Times New Roman", serif;
}

.cambridge-boundary-note strong,
.cambridge-boundary-note p { display: block; margin: 0; }
.cambridge-boundary-note p { margin-top: 4px; color: #75807a; line-height: 1.55; }
.boundary-state { color: var(--c21-forest); font-size: 12px; font-weight: 800; letter-spacing: 0.06em; }

@media (prefers-reduced-motion: no-preference) {
  .cambridge-hero,
  .cambridge-shelf,
  .cambridge-boundary-note {
    animation: c21-rise 0.48s cubic-bezier(0.22, 0.8, 0.25, 1) both;
  }
  .cambridge-shelf { animation-delay: 0.06s; }
  .cambridge-boundary-note { animation-delay: 0.12s; }
  @keyframes c21-rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (max-width: 1040px) {
  .cambridge-hero { grid-template-columns: 1fr 260px; }
  .cambridge-hero-copy { padding: 48px 42px 54px; }
  .cambridge-edition { padding: 40px 30px; }
  .cambridge-volume { grid-template-columns: 240px minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .cambridge-hero { grid-template-columns: 1fr; }
  .cambridge-edition { grid-template-columns: auto repeat(3, 1fr); border-left: 0; }
  .cambridge-edition > strong { font-size: 82px; }
  .cambridge-edition > div { display: grid; justify-content: start; }
  .cambridge-volume { grid-template-columns: 1fr; }
  .volume-cover { min-height: 280px; }
  .volume-cover strong { margin-top: 32px; }
  .volume-cover b { font-size: 98px; }
  .shelf-heading { align-items: flex-start; flex-direction: column; }
  .available-test-head { align-items: flex-start; flex-direction: column; }
  .cambridge-part-grid { grid-template-columns: 1fr; }
  .cambridge-boundary-note { grid-template-columns: auto minmax(0, 1fr); }
  .boundary-state { grid-column: 2; }
}

@media (max-width: 480px) {
  .cambridge-hero-copy { padding: 38px 24px 48px; }
  .cambridge-hero-actions { flex-direction: column; }
  .cambridge-hero-actions .btn { width: 100%; }
  .cambridge-edition { grid-template-columns: 1fr 1fr; }
  .cambridge-edition > strong { text-align: right; }
  .shelf-heading { padding: 28px 22px; }
  .source-seal { max-width: 100%; }
  .planned-test-strip { grid-template-columns: 1fr; }
  .planned-test-strip span { border-right: 0; border-bottom: 1px solid var(--c21-line); }
  .planned-test-strip span:last-child { border-bottom: 0; }
  .available-test { padding: 24px 20px; }
  .available-test h3 em { display: block; margin: 7px 0 0; }
  .suite-button { width: 100%; text-align: left; }
}