/* AI Academy hub + tutorial pages + Curriculum Atlas */

.academy-page {
  --ac-muted: rgba(196, 210, 232, 0.72);
  --ac-accent: #00fca1;
  --ac-accent-2: #a4e6ff;
}

.academy-main {
  position: relative;
  z-index: 1;
  padding: 2rem 0 4rem;
}

.academy-shell {
  max-width: 960px;
}

.academy-shell--studio {
  max-width: 1120px;
}

.academy-shell--lesson {
  max-width: 760px;
}

.academy-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.1rem;
  font-size: 0.875rem;
  color: var(--ac-muted);
}

.academy-crumbs a {
  color: var(--ac-accent-2);
  text-decoration: none;
}

.academy-hero__badge {
  display: inline-flex;
  margin: 0 0 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 252, 161, 0.28);
  background: rgba(0, 252, 161, 0.08);
  color: var(--ac-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.academy-hero h1,
.academy-tutorial-page h1,
.academy-trainer-hero h1,
.academy-lesson-page h1 {
  margin: 0 0 0.75rem;
  font-family: 'Hanken Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  line-height: 1.15;
  color: #f4f8ff;
}

.academy-hero__lead,
.academy-deck {
  margin: 0 0 1rem;
  max-width: 44rem;
  color: var(--ac-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.academy-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
}

.academy-section {
  margin: 2.25rem 0;
}

.academy-section h2,
.academy-related h2,
.academy-quiz h2 {
  margin: 0 0 1rem;
  font-family: 'Hanken Grotesk', sans-serif;
  font-size: 1.3rem;
  color: #e8f0ff;
}

.academy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.academy-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem 1.2rem;
  border-radius: 16px;
  border: 1px solid rgba(164, 230, 255, 0.12);
  background: linear-gradient(160deg, rgba(26, 36, 56, 0.95), rgba(12, 18, 34, 0.98));
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.academy-card:hover {
  border-color: rgba(0, 252, 161, 0.4);
  transform: translateY(-2px);
}

.academy-card__meta,
.academy-card__foot,
.academy-kicker {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--ac-muted);
}

.academy-card__title {
  font-family: 'Hanken Grotesk', sans-serif;
  font-size: 1.02rem;
  color: #f4f8ff;
  line-height: 1.35;
}

.academy-card__summary {
  margin: 0;
  flex: 1;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--ac-muted);
}

.academy-path-grid,
.academy-trainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.academy-path,
.academy-trainer-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.15rem;
  border-radius: 14px;
  border: 1px solid rgba(164, 230, 255, 0.12);
  background: rgba(12, 18, 32, 0.85);
  text-decoration: none;
  color: inherit;
}

.academy-path:hover,
.academy-trainer-card:hover {
  border-color: rgba(0, 252, 161, 0.35);
}

.academy-path strong,
.academy-trainer-card strong {
  font-family: 'Hanken Grotesk', sans-serif;
  color: #f4f8ff;
}

.academy-path p,
.academy-trainer-card__headline {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ac-muted);
  line-height: 1.5;
}

.academy-path span,
.academy-trainer-card__meta {
  font-size: 0.8rem;
  color: var(--ac-accent-2);
}

.academy-verified {
  color: var(--ac-accent);
  font-size: 0.85em;
  font-weight: 700;
}

.academy-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.academy-cats a {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(164, 230, 255, 0.16);
  color: #dce8f8;
  text-decoration: none;
  font-size: 0.82rem;
}

.academy-cat-block {
  margin: 1.5rem 0;
}

.academy-cat-block h3 {
  margin: 0 0 0.75rem;
  font-family: 'Hanken Grotesk', sans-serif;
  color: #e8f0ff;
}

.academy-byline {
  margin: 0 0 1.25rem;
  color: var(--ac-muted);
}

.academy-byline a {
  color: var(--ac-accent-2);
}

.academy-video {
  position: relative;
  margin: 0 0 1.5rem;
  padding-bottom: 56.25%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(164, 230, 255, 0.12);
}

.academy-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.academy-body h2 {
  margin: 1.75rem 0 0.65rem;
  font-family: 'Hanken Grotesk', sans-serif;
  color: #f0f5ff;
}

.academy-body p,
.academy-body li {
  color: var(--ac-muted);
  line-height: 1.7;
}

.academy-note {
  font-size: 0.92rem;
}

.academy-quiz {
  margin: 2rem 0;
  padding: 1.2rem;
  border-radius: 14px;
  border: 1px solid rgba(0, 252, 161, 0.2);
  background: rgba(0, 252, 161, 0.05);
}

.academy-quiz__q {
  margin-bottom: 1.25rem;
}

.academy-quiz__choices {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.academy-quiz__choice {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid rgba(164, 230, 255, 0.16);
  background: rgba(8, 12, 22, 0.75);
  color: #e8f0ff;
  cursor: pointer;
}

.academy-quiz__choice:hover {
  border-color: rgba(0, 252, 161, 0.4);
}

.academy-quiz__choice.is-correct {
  border-color: rgba(0, 252, 161, 0.6);
  background: rgba(0, 252, 161, 0.12);
}

.academy-quiz__choice.is-wrong {
  border-color: rgba(255, 120, 120, 0.5);
  background: rgba(255, 80, 80, 0.1);
}

.academy-quiz__explain {
  margin: 0.65rem 0 0;
  color: var(--ac-accent-2);
  font-size: 0.9rem;
}

.academy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.academy-tags span {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(164, 230, 255, 0.16);
  font-size: 0.75rem;
  color: var(--ac-accent-2);
}

.academy-path-steps {
  margin: 1rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.academy-path-steps li {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(164, 230, 255, 0.08);
}

.academy-path-steps span {
  color: var(--ac-accent);
  font-weight: 700;
}

.academy-path-steps a {
  color: #e8f0ff;
}

.academy-path-steps em {
  color: var(--ac-muted);
  font-style: normal;
  font-size: 0.85rem;
}

.academy-related {
  margin: 2.5rem 0 1.5rem;
}

.academy-shell--atlas {
  max-width: 1120px;
}

/* —— Curriculum Atlas (Academy hub redesign) —— */
.academy-atlas-page {
  --at-ink: #eef8ff;
  --at-muted: rgba(180, 210, 230, 0.78);
  --at-cyan: #6ec8ff;
  --at-mint: #00fca1;
  --at-line: rgba(110, 200, 255, 0.2);
  --at-panel: rgba(8, 16, 28, 0.88);
  --at-display: 'Space Grotesk', 'Hanken Grotesk', sans-serif;
  --at-body: 'IBM Plex Sans', 'Hanken Grotesk', sans-serif;
  font-family: var(--at-body);
}

.atlas-sky {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.atlas-sky__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.atlas-sky__orb--a {
  width: 42vw;
  height: 42vw;
  top: -12%;
  right: -8%;
  background: radial-gradient(circle, rgba(110, 200, 255, 0.18), transparent 68%);
  animation: atlasOrb 16s ease-in-out infinite alternate;
}

.atlas-sky__orb--b {
  width: 28vw;
  height: 28vw;
  bottom: 8%;
  left: -6%;
  background: radial-gradient(circle, rgba(0, 252, 161, 0.12), transparent 70%);
  animation: atlasOrb 12s ease-in-out infinite alternate-reverse;
}

.atlas-sky__grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(110, 200, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 200, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 20%, #000 20%, transparent 75%);
  animation: atlasGrid 22s linear infinite;
}

@keyframes atlasOrb {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-24px, 18px) scale(1.06); }
}

@keyframes atlasGrid {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}

.academy-main--atlas {
  padding-top: 1.1rem;
}

.atlas-hero {
  position: relative;
  margin: 0 0 1.5rem;
  padding: 1.35rem 0 1.6rem;
  min-height: min(38vh, 320px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(200px, 0.85fr);
  gap: 1.25rem 1.75rem;
  align-items: end;
  border-bottom: 1px solid var(--at-line);
  animation: atlasIn 0.7s ease both;
}

.atlas-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
}

.atlas-hero__visual {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.atlas-hero__visual .hub-infographic {
  width: min(100%, 320px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.35));
  animation: atlasIn 0.9s ease both;
  animation-delay: 0.12s;
}

.atlas-hero__live {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-cyan);
  font-weight: 600;
}

.atlas-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--at-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6.2vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--at-ink);
  max-width: 11ch;
}

.atlas-hero__lead {
  margin: 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--at-muted);
}

.atlas-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

@media (max-width: 820px) {
  .atlas-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .atlas-hero__visual {
    order: -1;
    justify-content: flex-start;
  }

  .atlas-hero__visual .hub-infographic {
    width: min(100%, 280px);
  }
}

.atlas-focus {
  position: relative;
  margin: 1.5rem 0 1.75rem;
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--at-line);
  border-radius: 2px 28px 2px 28px;
  background:
    linear-gradient(135deg, rgba(110, 200, 255, 0.08), transparent 45%),
    var(--at-panel);
  animation: atlasIn 0.75s ease both;
  animation-delay: 0.05s;
}

.atlas-focus__label {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--at-mint);
  font-weight: 700;
}

.atlas-focus h2 {
  margin: 0 0 0.55rem;
  font-family: var(--at-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  line-height: 1.2;
  color: var(--at-ink);
}

.atlas-focus h2 a {
  color: inherit;
  text-decoration: none;
}

.atlas-focus h2 a:hover {
  color: var(--at-cyan);
}

.atlas-focus > p {
  margin: 0 0 0.85rem;
  max-width: 42rem;
  color: var(--at-muted);
  line-height: 1.6;
}

.atlas-focus__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-size: 0.82rem;
  color: var(--at-cyan);
}

.atlas-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  gap: 1.75rem 2rem;
  align-items: start;
  margin: 0 0 2.5rem;
}

.atlas-track {
  margin: 0 0 1.85rem;
  animation: atlasIn 0.8s ease both;
}

.atlas-track__head {
  margin-bottom: 0.85rem;
}

.atlas-track__head h2,
.atlas-catalog__head h2,
.atlas-panel h2 {
  margin: 0 0 0.3rem;
  font-family: var(--at-display);
  font-size: 1.28rem;
  color: var(--at-ink);
}

.atlas-track__head p {
  margin: 0;
  color: var(--at-muted);
  font-size: 0.92rem;
}

.atlas-track__scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 280px);
  gap: 0.85rem;
  overflow-x: auto;
  padding-bottom: 0.65rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 252, 161, 0.55) rgba(110, 200, 255, 0.08);
}

.atlas-track__scroll::-webkit-scrollbar {
  height: 6px;
}

.atlas-track__scroll::-webkit-scrollbar-track {
  margin: 0 0.15rem;
  background: rgba(110, 200, 255, 0.08);
  border-radius: 999px;
}

.atlas-track__scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, rgba(0, 252, 161, 0.65), rgba(110, 200, 255, 0.7));
  border-radius: 999px;
}

.atlas-track__scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, rgba(0, 252, 161, 0.9), rgba(110, 200, 255, 0.95));
}

.atlas-track__scroll::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
}

.atlas-chip {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-height: 9.5rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--at-line);
  border-radius: 2px 20px 2px 20px;
  background: linear-gradient(165deg, rgba(110, 200, 255, 0.06), rgba(8, 16, 28, 0.95));
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.atlas-chip:hover {
  border-color: rgba(0, 252, 161, 0.45);
  transform: translateY(-3px);
}

.atlas-chip__cat {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-mint);
  font-weight: 700;
}

.atlas-chip strong {
  font-family: var(--at-display);
  font-size: 1rem;
  line-height: 1.3;
  color: var(--at-ink);
  flex: 1;
}

.atlas-chip > span:last-child {
  font-size: 0.78rem;
  color: var(--at-muted);
}

.atlas-chip--trainer {
  border-color: rgba(0, 252, 161, 0.22);
  background: linear-gradient(165deg, rgba(0, 252, 161, 0.07), rgba(8, 16, 28, 0.95));
}

.atlas-catalog__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.85rem;
}

.atlas-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.atlas-filters button {
  padding: 0.28rem 0.65rem;
  border-radius: 4px;
  border: 1px solid var(--at-line);
  background: transparent;
  color: var(--at-muted);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.atlas-filters button.is-active,
.atlas-filters button:hover {
  color: #071018;
  background: var(--at-cyan);
  border-color: var(--at-cyan);
}

.atlas-catalog__list {
  display: grid;
  gap: 0;
}

.atlas-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(110, 200, 255, 0.12);
  text-decoration: none;
  color: inherit;
}

.atlas-row:hover strong {
  color: var(--at-cyan);
}

.atlas-row span {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-mint);
  font-weight: 600;
}

.atlas-row strong {
  font-size: 0.95rem;
  color: var(--at-ink);
  font-weight: 600;
}

.atlas-row em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--at-muted);
  white-space: nowrap;
}

.atlas-panel {
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.05rem;
  border: 1px solid var(--at-line);
  border-radius: 2px 22px 2px 22px;
  background: var(--at-panel);
}

.atlas-routes {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.atlas-routes li {
  counter-increment: route;
  border-top: 1px solid rgba(110, 200, 255, 0.12);
}

.atlas-routes a {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: 0.5rem;
  padding: 0.7rem 0;
  text-decoration: none;
  color: inherit;
}

.atlas-routes a::before {
  content: counter(route, decimal-leading-zero);
  color: var(--at-cyan);
  font-family: var(--at-display);
  font-weight: 700;
  font-size: 0.85rem;
}

.atlas-routes strong {
  display: block;
  color: var(--at-ink);
  font-size: 0.92rem;
}

.atlas-routes span {
  display: block;
  grid-column: 2;
  font-size: 0.78rem;
  color: var(--at-muted);
}

.atlas-guides {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.atlas-guides a {
  display: block;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(110, 200, 255, 0.1);
  text-decoration: none;
  color: inherit;
}

.atlas-guides strong {
  display: block;
  color: var(--at-ink);
  font-size: 0.92rem;
}

.atlas-guides span {
  font-size: 0.78rem;
  color: var(--at-muted);
}

.atlas-panel__note {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  color: var(--at-muted);
}

.atlas-panel__note a {
  color: var(--at-mint);
}

.atlas-compose__note {
  margin: 0.35rem 0 0.85rem;
  font-size: 0.82rem;
  color: var(--at-muted);
}

.atlas-compose__form {
  display: grid;
  gap: 0.4rem;
}

.atlas-compose__form label {
  font-size: 0.76rem;
  color: var(--at-cyan);
  margin-top: 0.3rem;
}

.atlas-compose__form input,
.atlas-compose__form textarea,
.atlas-compose__form select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--at-line);
  background: rgba(5, 12, 22, 0.9);
  color: var(--at-ink);
  font: inherit;
  font-size: 0.88rem;
}

.atlas-compose__msg {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--at-mint);
  min-height: 1.2em;
}

@keyframes atlasIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .atlas-board {
    grid-template-columns: 1fr;
  }

  .atlas-hero h1 {
    max-width: none;
  }

  .atlas-hero {
    min-height: 0;
  }

  .atlas-row {
    grid-template-columns: 1fr;
  }
}