.page-course {
  --cc-ink: #10141c;
  --cc-body: #1a2130;
  --cc-dim: #3e4758;
  --cc-blue: #1a3f9c;
  --cc-blue-deep: #122c74;
  --cc-line: rgba(16, 20, 28, 0.14);
  --cc-gap: 1rem;
  --cc-block: 2.4rem;
  color: var(--cc-ink);
  background: #fff;
  font-family: "Golos Text", "Segoe UI", sans-serif;
}

.page-course .brand strong,
.page-course .site-nav a {
  font-family: inherit;
}

.page-course p,
.page-course li,
.page-course dd {
  color: var(--cc-body);
}

.page-course [data-constructor] {
  min-height: calc(100dvh - 160px);
}

.cc-progress {
  position: sticky;
  top: 68px;
  z-index: 8;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 16px 20px;
  background: #fff;
  border-bottom: 1px solid var(--cc-line);
}

.cc-progress button {
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border: 1.5px solid var(--cc-ink);
  border-radius: 999px;
  color: var(--cc-ink);
  background: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.cc-progress button[aria-current="step"] {
  color: #fff;
  background: var(--cc-blue);
  border-color: var(--cc-blue);
}

.cc-screen {
  width: min(880px, calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) 0 80px;
}

.cc-screen.is-enter {
  animation: cc-enter 0.35s ease;
}

@keyframes cc-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.cc-eyebrow {
  margin: 0 0 12px;
  color: var(--cc-blue);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.cc-title {
  max-width: none;
  margin: 0 0 var(--cc-gap);
  color: var(--cc-ink);
  font-family: inherit;
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.04em;
  overflow-wrap: break-word;
}

.cc-title:focus {
  outline: none;
}

.cc-lead {
  max-width: 38rem;
  margin: 0 0 1.5rem;
  color: var(--cc-body);
  font-size: clamp(1.22rem, 2.2vw, 1.42rem);
  font-weight: 500;
  line-height: 1.55;
}

.cc-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  row-gap: 0.45rem;
  column-gap: 0;
  margin: 0 0 var(--cc-block);
  padding: 0;
  list-style: none;
}

.cc-formula li {
  color: var(--cc-ink);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.5;
}

.cc-formula li:not(:last-child)::after {
  content: "→";
  display: inline-block;
  margin: 0 0.6rem;
  color: var(--cc-blue);
  font-weight: 600;
}

.cc-map {
  display: grid;
  margin: 0 0 var(--cc-block);
  padding: 0;
  list-style: none;
}

.cc-map li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 0.45rem 0;
  color: var(--cc-ink);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.cc-map li:has(button) {
  padding: 0;
}

.cc-map button {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 16px;
  align-items: baseline;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0;
  border: 0;
  color: inherit;
  background: none;
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  cursor: pointer;
}

.cc-map button:focus-visible {
  outline: 2px solid var(--cc-blue);
  outline-offset: 4px;
}

.cc-map-num {
  color: var(--cc-blue);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.cc-terms {
  display: grid;
  margin: 0 0 var(--cc-block);
  padding: 0;
}

.cc-term {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--cc-line);
}

.cc-term:last-child {
  border-bottom: 1px solid var(--cc-line);
}

.cc-term dt {
  min-width: 0;
  color: var(--cc-ink);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.2;
  overflow-wrap: break-word;
  hyphens: none;
}

.cc-term dd {
  min-width: 0;
  margin: 0;
  padding-top: 0;
  max-width: 40rem;
}

.cc-term p {
  margin: 0;
  color: var(--cc-body);
  font-size: 1.12rem;
  font-weight: 400;
  line-height: 1.45;
}

.cc-example {
  margin-top: 0.85rem !important;
  padding-left: 14px;
  border-left: 3px solid var(--cc-blue);
  color: var(--cc-ink) !important;
  font-weight: 500 !important;
}

.cc-tools-block {
  margin: var(--cc-block) 0;
}

.cc-tools-block .cc-title {
  margin-top: 0;
  margin-bottom: var(--cc-gap);
}

.cc-tools-lead {
  max-width: 38rem;
  margin: 0 0 1.25rem;
  color: var(--cc-body);
  font-size: 1.12rem;
  line-height: 1.5;
}

.cc-tools-block .cc-terms {
  margin-bottom: 0;
}

.cc-trap p {
  margin: 0 0 0.85rem;
}

.cc-trap p:last-child {
  margin-bottom: 0;
}

.cc-trap span {
  color: var(--cc-blue);
  font-weight: 700;
}

.cc-summary p {
  color: var(--cc-ink);
  font-weight: 500;
}

.cc-summary p + p {
  margin-top: 0.85rem;
}

.cc-note {
  margin: 0 0 var(--cc-block);
}

.cc-note h2 {
  margin: 0 0 0.7rem;
  color: var(--cc-blue);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.cc-note p,
.cc-note li {
  margin: 0;
  color: var(--cc-body);
  font-size: 1.28rem;
  line-height: 1.6;
}

.cc-note ol {
  margin: 0;
  padding-left: 1.35rem;
  display: grid;
  gap: 0.7rem;
}

.cc-tasks {
  display: grid;
  gap: 0;
  margin: 0 0 var(--cc-block);
}

.cc-task {
  padding: 1.6rem 0 1.8rem;
  border-top: 1px solid var(--cc-line);
}

.cc-task:last-child {
  border-bottom: 1px solid var(--cc-line);
}

.cc-task h2 {
  margin: 0 0 0.7rem;
  color: var(--cc-ink);
  font-size: clamp(1.55rem, 3.5vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.cc-task-prompt,
.cc-task-lead,
.cc-task-sub,
.cc-task-hint,
.cc-task-verdict {
  margin: 0 0 0.85rem;
  color: var(--cc-body);
  font-size: 1.12rem;
  line-height: 1.5;
}

.cc-task-lead {
  max-width: 40rem;
  color: var(--cc-ink);
  font-weight: 500;
}

.cc-task-sub {
  margin: 1.1rem 0 0.55rem;
  color: var(--cc-blue);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.cc-task-hint {
  color: var(--cc-dim);
}

.cc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 0.4rem;
}

.cc-chips-row {
  min-height: 3rem;
}

.cc-chip {
  max-width: 100%;
  padding: 0.55rem 0.9rem;
  border: 1.5px solid var(--cc-ink);
  border-radius: 999px;
  color: var(--cc-ink);
  background: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
}

.cc-chip.is-on {
  color: #fff;
  background: var(--cc-blue);
  border-color: var(--cc-blue);
}

.cc-sort {
  display: grid;
  gap: 1.1rem;
}

.cc-sort-card p {
  margin: 0 0 0.55rem;
  color: var(--cc-ink);
  font-size: 1.12rem;
  font-weight: 500;
  line-height: 1.45;
}

.cc-seq {
  display: grid;
  gap: 8px;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.cc-seq .cc-chip {
  width: 100%;
  border-radius: 12px;
}

.cc-scale {
  margin: 0 0 1rem;
}

.cc-scale-anchors {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 0.85rem;
  color: var(--cc-body);
  font-size: 1rem;
  line-height: 1.4;
}

.cc-scale-anchors b {
  color: var(--cc-blue);
}

.cc-scale input[type="range"] {
  width: 100%;
  accent-color: var(--cc-blue);
}

.cc-scale-value {
  margin: 0.4rem 0 0;
  color: var(--cc-ink);
  font-size: 1.35rem;
  font-weight: 700;
}

.cc-fields {
  display: grid;
  gap: 1rem;
  margin: 0 0 0.4rem;
}

.cc-field {
  display: grid;
  gap: 0.4rem;
}

.cc-field span {
  color: var(--cc-blue);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.cc-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--cc-line);
  border-radius: 10px;
  color: var(--cc-ink);
  background: #fff;
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.45;
  resize: vertical;
}

.cc-field textarea:focus {
  outline: 2px solid var(--cc-blue);
  outline-offset: 1px;
  border-color: var(--cc-blue);
}

.cc-task-bar {
  margin: 1.1rem 0 0;
}

.cc-task-check {
  min-height: 48px;
  padding: 0 18px;
  border: 1.5px solid var(--cc-ink);
  border-radius: 999px;
  color: var(--cc-ink);
  background: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.cc-task-result {
  margin-top: 1rem;
}

.cc-task.is-ok .cc-task-verdict {
  color: var(--cc-blue);
  font-weight: 700;
}

.cc-task.is-miss .cc-task-verdict {
  color: var(--cc-ink);
  font-weight: 700;
}

.cc-task-result .cc-example {
  margin-top: 0.55rem !important;
}
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0.5rem;
  padding-top: var(--cc-block);
}

.page-course .button {
  min-height: 56px;
  padding: 0 22px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-course .button-primary {
  color: #fff;
  background: var(--cc-blue);
  box-shadow: none;
}

.page-course .button-primary:hover {
  background: var(--cc-blue-deep);
}

.page-course .button-secondary {
  color: var(--cc-ink);
  background: #fff;
  box-shadow: inset 0 0 0 1.5px var(--cc-ink);
}

@media (hover: hover) and (pointer: fine) {
  .page-course .button:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  .cc-progress {
    top: 60px;
    gap: 7px;
    padding: 12px 16px;
  }

  .cc-progress button {
    width: 1.85rem;
    height: 1.85rem;
    font-size: 0.78rem;
  }

  .cc-term {
    gap: 0.55rem;
    padding: 1.2rem 0;
  }

  .cc-term dd {
    padding-top: 0;
  }

  .cc-actions .button {
    width: 100%;
  }

  .cc-task-check {
    width: 100%;
  }

  .cc-seq .cc-chip,
  .cc-sort .cc-chip {
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cc-screen.is-enter {
    animation: none;
  }
}