/* ===== АКАДЕМИЯ ОБЩЕПИТА — long-read статьи ===== */
.academy-page { padding-top: calc(var(--topbar-h) + var(--header-h)); }

.academy-hero {
  padding: clamp(36px, 6vw, 64px) 0 clamp(28px, 4vw, 40px);
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.academy-hero__inner { max-width: 820px; }
.academy-hero h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(30px, 5.5vw, 44px);
  font-weight: 700;
  line-height: 1.12;
  margin: 14px 0 16px;
  letter-spacing: -0.02em;
}
.academy-hero__lead {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 680px;
}
.academy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 20px 0 24px;
  font-size: 13px;
  color: var(--text-tertiary);
}
.academy-hero__meta span { display: flex; align-items: center; gap: 6px; }
.academy-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.academy-hero__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(255, 107, 44, 0.12);
  border: 1px solid rgba(255, 107, 44, 0.25);
}

.academy-error {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 20px 0;
}
.academy-error h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text);
  scroll-margin-top: calc(var(--topbar-h) + var(--header-h) + 20px);
}
.academy-error p { font-size: 15px; margin-bottom: 10px; }
.academy-error .academy-block { margin: 14px 0 0; }

.academy-cost {
  background: linear-gradient(145deg, rgba(255, 107, 107, 0.08), var(--surface));
  border: 1px solid rgba(255, 107, 107, 0.25);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 32px);
  margin: 32px 0 40px;
  text-align: center;
}
.academy-cost__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ff6b6b;
  margin-bottom: 8px;
}
.academy-cost h4 { font-size: 18px; margin: 0 0 10px; }
.academy-cost__sum {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: #ff6b6b;
  margin: 16px 0 10px;
}
.academy-cost__note { font-size: 14px; color: var(--muted); max-width: 520px; margin: 0 auto 16px; line-height: 1.55; }

.academy-page--flagship .academy-content h2 { margin-top: 56px; }
.academy-calc--loss { margin-top: 48px; }
.academy-form--pdf { margin-top: 40px; }

.academy-table-wrap { overflow-x: auto; margin: 24px 0; }
.academy-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.academy-table th, .academy-table td {
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line);
}
.academy-table th {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); background: var(--bg-2);
}
.academy-table__total td { background: rgba(255, 107, 44, 0.08); border-bottom: none; }
.academy-table--compare td:nth-child(2) { white-space: nowrap; font-weight: 600; }
.academy-case {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--eng-blue);
  border-radius: var(--radius); padding: 22px 24px; margin: 20px 0;
}
.academy-case h3 { margin: 0 0 12px; font-size: 17px; }
.academy-case p { margin-bottom: 8px; font-size: 15px; }
.academy-list { margin: 16px 0 24px 1.2em; line-height: 1.65; }
.academy-list li { margin-bottom: 10px; color: var(--text-secondary); }

.academy-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding: clamp(32px, 5vw, 48px) 0 clamp(64px, 8vw, 96px);
  align-items: start;
}

.academy-toc {
  position: sticky;
  top: calc(var(--topbar-h) + var(--header-h) + 16px);
  max-height: calc(100vh - var(--topbar-h) - var(--header-h) - 32px);
  overflow-y: auto;
}
.academy-toc__toggle {
  display: none;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.academy-toc__toggle::after {
  content: " ▾";
  float: right;
  opacity: 0.6;
}
.academy-toc.is-open .academy-toc__toggle::after { content: " ▴"; }
.academy-toc__title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--eng-blue);
  margin-bottom: 12px;
}
.academy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.academy-toc__list a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.academy-toc__list a:hover { color: var(--text); background: var(--surface); }
.academy-toc__list a.is-active {
  color: var(--accent);
  background: rgba(255, 107, 44, 0.08);
  border-left-color: var(--accent);
  font-weight: 600;
}

.academy-toc__audit {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.academy-toc__audit p {
  margin: 6px 0 12px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.academy-content { min-width: 0; max-width: 760px; }
.academy-content h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin: 48px 0 14px;
  letter-spacing: -0.02em;
  scroll-margin-top: calc(var(--topbar-h) + var(--header-h) + 20px);
}
.academy-content h2:first-child { margin-top: 0; }
.academy-content h3 { font-size: 18px; font-weight: 700; margin: 24px 0 10px; }
.academy-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 16px;
}
.academy-content ul,
.academy-content ol {
  margin: 0 0 20px 1.2em;
  color: var(--text-secondary);
  line-height: 1.65;
}
.academy-content li { margin-bottom: 8px; font-size: 16px; }
.academy-content a { color: var(--eng-blue); text-decoration: underline; text-underline-offset: 2px; }
.academy-content a:hover { color: var(--accent); }
.academy-content strong { color: var(--text); font-weight: 600; }

.academy-block {
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 24px 0;
  border: 1px solid var(--line);
}
.academy-block__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.academy-block p:last-child { margin-bottom: 0; }
.academy-block--mistake {
  background: rgba(255, 107, 107, 0.06);
  border-left: 3px solid #ff6b6b;
}
.academy-block--mistake .academy-block__label { color: #ff6b6b; }
.academy-block--tip {
  background: var(--eng-blue-dim);
  border-left: 3px solid var(--eng-blue);
}
.academy-block--tip .academy-block__label { color: var(--eng-blue); }
.academy-block--checklist {
  background: var(--surface);
  border-left: 3px solid var(--call);
}
.academy-block--checklist .academy-block__label { color: var(--call); }
.academy-block--checklist ul {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}
.academy-block--checklist li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-size: 15px;
}
.academy-block--checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--call);
  font-weight: 700;
}
.academy-block--case {
  background: var(--surface);
  border-left: 3px solid var(--accent);
}
.academy-block--case .academy-block__label { color: var(--accent); }

.academy-lead {
  background: linear-gradient(145deg, rgba(74, 158, 255, 0.1), var(--surface));
  border: 1px solid rgba(74, 158, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  margin: 36px 0;
  text-align: center;
}
.academy-lead h3 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(20px, 3vw, 26px);
  margin: 0 0 10px;
}
.academy-lead p { margin-bottom: 20px; }

.academy-calc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 32px);
  margin: 36px 0;
  min-width: 0;
  max-width: 100%;
}
.academy-calc h3 { margin-top: 0; }
.academy-calc__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 16px;
  min-width: 0;
}
.academy-calc__fields { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.academy-calc__field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.academy-calc__field > span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}
.academy-calc__field input[type="range"] { width: 100%; min-width: 0; max-width: 100%; accent-color: var(--accent); }
.academy-calc__field output {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
}
.academy-calc__field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  font-size: 15px;
}
.academy-calc__result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255, 107, 44, 0.08);
  border: 1px solid rgba(255, 107, 44, 0.25);
  text-align: center;
}
.academy-project-docs {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  font-size: 14px;
  line-height: 1.5;
}
.academy-project-docs li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 107, 44, 0.15);
  color: var(--text-secondary);
}
.academy-project-docs li:last-child { border-bottom: none; }
.academy-calc__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}
.academy-calc__sum {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 8px;
}
.academy-calc__hint { font-size: 13px; color: var(--muted); margin: 0; }

.academy-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 32px);
  margin: 36px 0;
}
.academy-form h3 { margin-top: 0; }
.academy-form input,
.academy-form textarea {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  font-size: 15px;
}
.academy-form .checkbox { margin: 12px 0 16px; }

.academy-faq { margin: 48px 0 0; }
.academy-faq h2 { margin-top: 0; }

.academy-pdf {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  margin: 40px 0;
  text-align: center;
}
.academy-pdf h2 { margin-top: 0; text-align: center; }

.academy-final {
  background: var(--grad-accent);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 52px);
  margin: 48px 0 0;
  text-align: center;
  color: #fff;
}
.academy-final h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(24px, 4vw, 32px);
  color: #fff;
  margin: 0 0 14px;
}
.academy-final p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 24px;
}
.academy-final .btn--primary { background: #fff; color: var(--accent); }

.academy-hub-catalog-link {
  margin: 0 0 28px;
}

.hub-more-link {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.hub-more-link a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.hub-more-link a:hover {
  text-decoration: underline;
}

.academy-sticky {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(10, 10, 10, 0.94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(12px);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}
.academy-sticky.is-visible { transform: translateY(0); }
.academy-sticky .btn { width: 100%; }

.academy-hub-hero { padding-bottom: 24px; }
.academy-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.academy-category-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.academy-category-card:hover {
  border-color: rgba(74, 158, 255, 0.4);
  transform: translateY(-2px);
}
.academy-category-card h2 { font-size: 20px; margin: 0 0 8px; }
.academy-category-card h2 a { color: inherit; text-decoration: none; }
.academy-category-card p { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.academy-category-card__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--eng-blue);
}

@media (max-width: 1024px) {
  .academy-layout { grid-template-columns: 1fr; }
  .academy-toc {
    position: static;
    max-height: none;
    margin-bottom: 8px;
  }
  .academy-toc__toggle { display: block; }
  .academy-toc__panel { display: none; margin-top: 12px; }
  .academy-toc.is-open .academy-toc__panel { display: block; }
  .academy-toc__title { display: none; }
  .academy-calc__grid { grid-template-columns: 1fr; }
  .academy-sticky { display: block; }
  .academy-page.has-academy-sticky {
    padding-bottom: calc(112px + env(safe-area-inset-bottom));
    scroll-padding-bottom: calc(112px + env(safe-area-inset-bottom));
  }
  .academy-categories { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .academy-hero__actions .btn { flex: 1 1 100%; justify-content: center; }
}

.academy-diagram {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 24px 0;
  overflow-x: auto;
}
.academy-diagram__pre {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
  margin: 0;
  white-space: pre;
  color: var(--text-secondary);
}
.academy-diagram__caption { font-size: 13px; color: var(--muted); margin: 12px 0 0; }

.academy-checklist {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 24px 0;
}
.academy-checklist__progress { font-size: 15px; margin: 0 0 16px; }
.academy-checklist__list { display: flex; flex-direction: column; gap: 10px; }
.academy-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  cursor: pointer;
}
.academy-checklist__item input { margin-top: 4px; accent-color: var(--accent); }

.academy-final--inline {
  margin: 40px 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 107, 44, 0.12), var(--surface));
  border: 1px solid rgba(255, 107, 44, 0.3);
  padding: clamp(28px, 5vw, 40px);
  text-align: center;
}

.academy-calc__sum[data-fit="good"] { color: var(--call); }
.academy-calc__sum[data-fit="mid"] { color: #e6a700; }
.academy-calc__sum[data-fit="bad"] { color: #ff6b6b; }