.learning-path-page {
  overflow: hidden;
}

.learning-hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  align-items: center;
  gap: clamp(64px, 10vw, 132px);
  padding-block: 104px 116px;
}

.learning-kicker {
  margin: 0 0 22px;
  color: var(--cyan);
  font: 600 12px/1.5 "JetBrains Mono", Consolas, monospace;
  letter-spacing: .07em;
}

.learning-kicker::before {
  content: "// ";
  color: var(--faint);
}

.learning-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 6.4vw, 82px);
  line-height: 1.02;
  letter-spacing: -.062em;
}

.learning-deck {
  max-width: 690px;
  margin: 30px 0 0;
  color: #adbfce;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.8;
}

.learning-start {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(94, 219, 211, .55);
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.learning-start span {
  color: var(--cyan);
}

.learning-start:hover {
  border-color: var(--cyan);
}

.learning-start:focus-visible,
.learning-step a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

.learning-route {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid rgba(94, 219, 211, .34);
}

.learning-route::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0;
  width: 7px;
  height: 46%;
  border-radius: 999px;
  background: linear-gradient(var(--cyan), rgba(94, 219, 211, .08));
  box-shadow: 0 0 20px rgba(94, 219, 211, .34);
}

.learning-route ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.learning-route li {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.learning-route li > span {
  color: var(--faint);
  font: 10px/1.4 "JetBrains Mono", Consolas, monospace;
}

.learning-route li > strong {
  font-size: 18px;
  font-weight: 580;
  letter-spacing: -.02em;
}

.learning-route p {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 13px;
  line-height: 1.7;
}

.learning-sequence {
  padding-block: 106px 118px;
  border-block: 1px solid var(--line);
  background: rgba(9, 23, 38, .58);
}

.learning-section-head {
  display: grid;
  grid-template-columns: 160px minmax(320px, .9fr) minmax(300px, 1.1fr);
  align-items: end;
  gap: 38px;
  margin-bottom: 62px;
}

.learning-section-head > p {
  margin: 0;
  color: var(--cyan);
  font: 11px/1.6 "JetBrains Mono", Consolas, monospace;
}

.learning-section-head h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -.05em;
}

.learning-section-head > span {
  max-width: 520px;
  color: var(--muted);
  line-height: 1.75;
}

.learning-step-list {
  position: relative;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.learning-step-list::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 44px;
  bottom: 44px;
  width: 1px;
  background: linear-gradient(var(--cyan), rgba(94, 219, 211, .08));
}

.learning-step {
  position: relative;
  border-top: 1px solid var(--line);
}

.learning-step a {
  display: grid;
  grid-template-columns: 62px minmax(250px, .9fr) minmax(320px, 1.1fr) 24px;
  align-items: start;
  gap: 34px;
  padding: 34px 14px 36px 0;
  text-decoration: none;
  transition: background .2s ease, padding-left .2s ease;
}

.learning-step a:hover {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(94, 219, 211, .055), transparent 74%);
}

.learning-step-number {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 55px;
  height: 55px;
  border: 1px solid rgba(94, 219, 211, .3);
  border-radius: 50%;
  color: var(--cyan);
  background: #0a1928;
  font: 11px/1 "JetBrains Mono", Consolas, monospace;
}

.learning-step-title small {
  color: var(--cyan);
  font: 11px/1.4 "JetBrains Mono", Consolas, monospace;
}

.learning-step-title h2 {
  margin: 8px 0 0;
  font-size: clamp(21px, 2.2vw, 28px);
  line-height: 1.35;
  letter-spacing: -.035em;
}

.learning-step-detail p {
  max-width: 620px;
  margin: 0;
  color: #aabccc;
  line-height: 1.75;
}

.learning-step-detail .learning-question {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.learning-question strong {
  display: block;
  margin-bottom: 2px;
  color: var(--faint);
  font: 10px/1.5 "JetBrains Mono", Consolas, monospace;
}

.learning-step-open {
  color: var(--faint);
  font: 13px/1.5 "JetBrains Mono", Consolas, monospace;
}

.learning-step a:hover .learning-step-open {
  color: var(--cyan);
}

.learning-outcome {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(360px, 1.1fr);
  gap: clamp(56px, 9vw, 128px);
  padding-block: 112px 126px;
}

.learning-outcome h2 {
  max-width: 540px;
  margin: 0;
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.08;
  letter-spacing: -.05em;
}

.learning-outcome > div:last-child > p {
  margin: 0;
  color: #adbfce;
  font-size: 18px;
  line-height: 1.8;
}

.learning-outcome ul {
  display: grid;
  gap: 11px;
  margin: 28px 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.learning-outcome li {
  position: relative;
  padding-left: 21px;
}

.learning-outcome li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

@media (max-width: 920px) {
  .learning-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 64px;
    padding-block: 86px 94px;
  }

  .learning-route {
    max-width: 620px;
  }

  .learning-section-head {
    grid-template-columns: 1fr 2fr;
  }

  .learning-section-head > p {
    grid-column: 1 / -1;
  }

  .learning-step a {
    grid-template-columns: 62px minmax(0, 1fr) 22px;
    gap: 24px;
  }

  .learning-step-detail {
    grid-column: 2 / 3;
  }

  .learning-step-open {
    grid-column: 3;
    grid-row: 1;
  }
}

@media (max-width: 680px) {
  .learning-hero {
    gap: 54px;
    padding-block: 70px 80px;
  }

  .learning-hero h1 {
    font-size: clamp(43px, 13vw, 59px);
  }

  .learning-sequence {
    padding-block: 78px 86px;
  }

  .learning-section-head,
  .learning-outcome {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .learning-section-head {
    margin-bottom: 42px;
  }

  .learning-section-head > p {
    grid-column: auto;
  }

  .learning-section-head > span {
    margin-top: 4px;
  }

  .learning-step-list::before {
    left: 20px;
  }

  .learning-step a {
    grid-template-columns: 45px minmax(0, 1fr) 16px;
    gap: 15px;
    padding: 27px 4px 30px 0;
  }

  .learning-step a:hover {
    padding-left: 0;
  }

  .learning-step-number {
    width: 41px;
    height: 41px;
  }

  .learning-step-detail {
    grid-column: 2 / 4;
  }

  .learning-step-open {
    grid-column: 3;
  }

  .learning-outcome {
    padding-block: 82px 94px;
  }

  .learning-outcome > div:last-child > p {
    font-size: 16px;
  }
}