:root {
  --bg: #07101e;
  --bg-deep: #040914;
  --border: rgba(74,163,255,.22);
  --accent: #4aa3ff;
  --accent-2: #8dceff;
  --text: #edf7ff;
  --muted: #a9bed4;
  --faint: #758ca5;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }



/* Фирменный фон Академии: мягкие частицы и линии данных */
.academy-particles {
  position: fixed;
  z-index: 0;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: .72;
}

.page {
  position: relative;
  z-index: 1;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 74% 8%, rgba(38,119,231,.17), transparent 31%),
    radial-gradient(circle at 13% 42%, rgba(48,139,255,.10), transparent 26%),
    var(--bg-deep);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
.page { width: min(1380px, calc(100% - 64px)); margin: 0 auto; }

.header {
  display: flex;
  min-height: 106px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(74,163,255,.15);
}

.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { width: 55px; height: 55px; object-fit: contain; filter: drop-shadow(0 0 12px rgba(74,163,255,.25)); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-size: 25px; font-weight: 700; letter-spacing: .12em; }
.brand-tagline { margin-top: 6px; color: #9bb8d2; font-size: 9px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  border: 1px solid rgba(120,176,239,.38);
  border-radius: 999px;
  background: rgba(13,25,47,.55);
  color: #e9f5ff;
  font-size: 14px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.back-link:hover,
.back-link:focus-visible {
  border-color: var(--accent-2);
  background: rgba(37,83,141,.38);
  outline: none;
  transform: translateY(-1px);
}

h1, h2, h3, p { margin-top: 0; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.academy-hero {
  display: grid;
  grid-template-columns: minmax(0,.88fr) minmax(460px,1.12fr);
  gap: clamp(36px,7vw,104px);
  align-items: center;
  min-height: 590px;
  padding: 70px 0 82px;
}

h1 {
  max-width: 670px;
  margin-bottom: 24px;
  font-size: clamp(38px,4.25vw,62px);
  font-weight: 700;
  letter-spacing: -.05em;
  line-height: 1.02;
}

.academy-hero__lead {
  max-width: 590px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 9px 13px;
  border: 1px solid rgba(124,199,255,.24);
  border-radius: 999px;
  background: rgba(74,163,255,.08);
  color: #d7edff;
  font-size: 12px;
  font-weight: 600;
}

.hero-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px rgba(124,199,255,.9);
}

.digital-route {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 47%, rgba(74,163,255,.18), transparent 28%),
    linear-gradient(135deg, rgba(18,37,70,.78), rgba(7,13,28,.84));
  box-shadow: 0 24px 70px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.04);
}

.digital-route::before,
.digital-route::after {
  position: absolute;
  border: 1px solid rgba(74,163,255,.18);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.digital-route::before { width: 440px; height: 200px; top: 80px; left: 50%; transform: translateX(-50%); }
.digital-route::after { width: 330px; height: 150px; top: 105px; left: 50%; transform: translateX(-50%); border-color: rgba(124,199,255,.30); }

.digital-route__grid {
  position: absolute;
  inset: 0;
  opacity: .55;
  background-image: linear-gradient(rgba(116,193,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(116,193,255,.10) 1px,transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 45%,#000,transparent 70%);
}

.digital-route__model {
  position: absolute;
  z-index: 1;
  top: 44px;
  left: 50%;
  width: 240px;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 28px rgba(74,163,255,.32));
}

.digital-route__model svg { display: block; width: 100%; height: auto; }

.route-steps {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 26px;
  left: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
}

.route-steps span {
  padding: 7px 10px;
  border: 1px solid rgba(124,199,255,.28);
  border-radius: 999px;
  background: rgba(6,13,28,.74);
  color: #d9efff;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.route-steps i,
.learning-path i {
  width: 16px;
  height: 1px;
  background: linear-gradient(90deg,var(--accent),rgba(74,163,255,.1));
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 32px;
}

.section-heading h2,
.course-overview h2,
.info-card h2 {
  margin-bottom: 0;
  font-size: clamp(30px,3vw,44px);
  letter-spacing: -.04em;
  line-height: 1.08;
}

.section-heading > p {
  width: min(420px,100%);
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.section-heading--stacked { align-items: start; }
.courses { padding: 18px 0 82px; }

.course-card {
  display: grid;
  grid-template-columns: minmax(210px,.68fr) minmax(0,1.35fr) minmax(240px,.72fr);
  gap: 30px;
  padding: 30px;
  border: 1px solid rgba(74,163,255,.34);
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 86% 16%,rgba(74,163,255,.16),transparent 25%),linear-gradient(135deg,rgba(16,34,67,.90),rgba(8,15,30,.88));
  box-shadow: 0 20px 56px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.045);
}

.course-card__top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.course-card__number { color: rgba(141,206,255,.56); font-size: 52px; font-weight: 700; line-height: 1; letter-spacing: -.06em; }
.course-card__status { padding: 6px 11px; border: 1px solid rgba(124,199,255,.28); border-radius: 999px; background: rgba(74,163,255,.10); color: var(--accent-2); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.course-card__eyebrow { margin-bottom: 10px; color: var(--accent-2); font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.course-card h3 { margin-bottom: 14px; color: #fff; font-size: clamp(25px,2.4vw,36px); letter-spacing: -.035em; line-height: 1.08; }
.course-card__body > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.68; }

.course-facts {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(124,199,255,.16);
}

.course-facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(124,199,255,.16);
  font-size: 12px;
}

.course-facts span { color: var(--faint); }
.course-facts b { color: #e7f5ff; font-weight: 600; text-align: right; }

.course-card__footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(124,199,255,.16);
}

.course-enroll {
  flex-shrink: 0;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(124,199,255,.20);
  border-radius: 999px;
  background: rgba(124,199,255,.08);
  color: rgba(222,239,255,.56);
  cursor: not-allowed;
  font-size: 14px;
  font-weight: 700;
}

.course-enroll__note { max-width: 560px; margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.5; text-align: right; }

.course-overview {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(360px,.85fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 82px;
  padding: 38px;
  border: 1px solid rgba(74,163,255,.22);
  border-radius: var(--radius-xl);
  background: linear-gradient(112deg,rgba(15,35,70,.72),rgba(8,15,30,.72));
}

.course-overview__intro > p:last-child { max-width: 780px; margin: 18px 0 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.learning-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.learning-path span { color: #d8eeff; font-size: 13px; font-weight: 600; white-space: nowrap; }
.outcomes { padding-bottom: 82px; }

.outcomes-list {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: outcomes;
}

.outcomes-list li {
  position: relative;
  min-height: 146px;
  padding: 24px 24px 24px 72px;
  border: 1px solid rgba(74,163,255,.18);
  border-radius: var(--radius-lg);
  background: rgba(11,21,41,.68);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
  counter-increment: outcomes;
}

.outcomes-list li::before {
  position: absolute;
  top: 22px;
  left: 22px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(124,199,255,.36);
  border-radius: 50%;
  color: var(--accent-2);
  content: counter(outcomes);
  font-size: 11px;
  font-weight: 700;
}

.audience-location {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 22px;
  padding-bottom: 60px;
}

.info-card {
  min-height: 280px;
  padding: 32px;
  border: 1px solid rgba(74,163,255,.20);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg,rgba(15,30,58,.78),rgba(8,15,30,.76));
}

.info-card h2 { margin-bottom: 16px; font-size: clamp(25px,2.5vw,34px); }
.info-card > p:last-of-type { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.info-card--location { background: radial-gradient(circle at 87% 13%,rgba(74,163,255,.18),transparent 26%),linear-gradient(135deg,rgba(15,37,73,.82),rgba(8,15,30,.78)); }
.location-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.location-meta span { padding: 7px 10px; border: 1px solid rgba(124,199,255,.25); border-radius: 999px; color: #dcefff; font-size: 11px; font-weight: 600; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(74,163,255,.14);
  color: var(--faint);
  font-size: 12px;
}

.footer a { color: var(--accent-2); }
.footer a:hover { color: #fff; }

@media (max-width: 980px) {
  .academy-hero { grid-template-columns: 1fr; min-height: 0; padding: 58px 0 62px; }
  .digital-route { max-width: 760px; }
  .course-card { grid-template-columns: 180px minmax(0,1fr); }
  .course-facts { grid-column: 1 / -1; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 22px; }
  .course-overview { grid-template-columns: 1fr; }
  .learning-path { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .page { width: min(100% - 32px,1380px); }
  .header { min-height: 84px; }
  .brand-mark { width: 42px; height: 42px; }
  .brand-name { font-size: 18px; }
  .brand-tagline { font-size: 6.5px; }
  .back-link { padding: 10px 13px; font-size: 12px; }
  .back-link svg { width: 15px; height: 15px; }
  .academy-hero { padding: 42px 0 50px; }
  h1 { font-size: 37px; }
  .academy-hero__lead { font-size: 15px; }
  .digital-route { min-height: 400px; padding: 20px; }
  .digital-route::before { width: 360px; height: 162px; top: 80px; }
  .digital-route::after { width: 270px; height: 122px; top: 99px; }
  .digital-route__model { top: 44px; width: 205px; }
  .route-steps { right: 14px; bottom: 17px; left: 14px; gap: 6px; }
  .route-steps span { padding: 6px 8px; font-size: 10px; }
  .route-steps i { width: 8px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
  .section-heading > p { width: auto; }
  .courses { padding-bottom: 54px; }
  .course-card { display: block; padding: 24px; }
  .course-card__top { flex-direction: row; align-items: center; margin-bottom: 24px; }
  .course-card__number { font-size: 42px; }
  .course-card h3 { font-size: 28px; }
  .course-facts { margin-top: 24px; }
  .course-card__footer { display: block; margin-top: 24px; padding-top: 20px; }
  .course-enroll { width: 100%; }
  .course-enroll__note { margin-top: 12px; text-align: left; }
  .course-overview { margin-bottom: 54px; padding: 26px 24px; }
  .learning-path { gap: 8px; }
  .learning-path span { font-size: 12px; }
  .learning-path i { width: 10px; }
  .outcomes { padding-bottom: 54px; }
  .outcomes-list { grid-template-columns: 1fr; }
  .outcomes-list li { min-height: 0; padding: 22px 20px 22px 62px; }
  .outcomes-list li::before { top: 20px; left: 20px; }
  .audience-location { grid-template-columns: 1fr; gap: 16px; padding-bottom: 48px; }
  .info-card { min-height: 0; padding: 26px 24px; }
  .footer { flex-direction: column; gap: 8px; padding-bottom: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}


/* ============================================
   COMPACT COURSE DETAILS OVERRIDE
   ============================================ */

/* Уменьшенный визуал «Цифровой маршрут первой детали» */
.academy-hero {
  min-height: 390px;
  padding: 52px 0 60px;
}

.digital-route {
  min-height: 250px;
  padding: 18px;
}

.digital-route::before {
  width: 250px;
  height: 114px;
  top: 35px;
}

.digital-route::after {
  width: 188px;
  height: 86px;
  top: 48px;
}

.digital-route__model {
  top: 12px;
  width: 148px;
}

.route-steps {
  right: 16px;
  bottom: 15px;
  left: 16px;
  gap: 6px 7px;
}

.route-steps span {
  padding: 5px 8px;
  font-size: 10px;
}

.route-steps i {
  width: 10px;
}

/* Действия и раскрываемые подробности курса */
.course-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.course-details-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(124,199,255,.42);
  border-radius: 999px;
  background: rgba(74,163,255,.10);
  color: #dbefff;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.course-details-toggle:hover,
.course-details-toggle:focus-visible {
  border-color: var(--accent-2);
  background: rgba(74,163,255,.22);
  outline: none;
  transform: translateY(-1px);
}

.course-details-toggle svg {
  flex: 0 0 auto;
  transition: transform .2s ease;
}

.course-details-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.course-details {
  grid-column: 1 / -1;
  margin-top: 4px;
  padding-top: 30px;
  border-top: 1px solid rgba(124,199,255,.18);
}

.course-details[hidden] {
  display: none;
}

.course-details__intro {
  max-width: 850px;
}

.course-details h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: clamp(24px, 2.5vw, 34px);
  letter-spacing: -.035em;
  line-height: 1.12;
}

.course-details__intro > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.course-details .learning-path {
  justify-content: flex-start;
  margin: 24px 0 32px;
  padding: 18px;
  border: 1px solid rgba(74,163,255,.18);
  border-radius: 14px;
  background: rgba(8,16,31,.54);
}

.course-details__section {
  margin-top: 8px;
}

.course-details__section > .eyebrow {
  margin-bottom: 10px;
}

.course-details__info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.course-details__info .info-card {
  min-height: 0;
  padding: 24px;
}

.course-details__info .info-card h4 {
  font-size: 22px;
}

@media (max-width: 640px) {
  .academy-hero {
    padding: 38px 0 44px;
  }

  .digital-route {
    min-height: 210px;
    padding: 14px;
  }

  .digital-route::before {
    width: 220px;
    height: 100px;
    top: 29px;
  }

  .digital-route::after {
    width: 164px;
    height: 75px;
    top: 40px;
  }

  .digital-route__model {
    top: 8px;
    width: 128px;
  }

  .route-steps {
    right: 10px;
    bottom: 10px;
    left: 10px;
    gap: 4px;
  }

  .route-steps span {
    padding: 4px 6px;
    font-size: 8.5px;
  }

  .route-steps i {
    width: 5px;
  }

  .course-card__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .course-details-toggle {
    width: 100%;
  }

  .course-details {
    margin-top: 0;
    padding-top: 24px;
  }

  .course-details h4 {
    font-size: 25px;
  }

  .course-details .learning-path {
    margin: 20px 0 26px;
    padding: 14px;
  }

  .course-details__info {
    grid-template-columns: 1fr;
  }

  .course-details__info .info-card {
    padding: 20px;
  }
}