/* LUX Akademy course guide — scoped to the lesson index. */
.lux-page {
  --lux-paper: #f5f5f5;
  --lux-ink: #171717;
  --lux-muted: rgba(23, 23, 23, 0.58);
  --lux-dark: #111111;
  --lux-dark-muted: rgba(245, 245, 245, 0.62);
  --lux-line: rgba(23, 23, 23, 0.15);
  background: var(--lux-paper);
  color: var(--lux-ink);
}

/* The shared stylesheet reserves #hero for the dark homepage hero. */
#hero.lux-hero,
#hero.lux-hero * {
  color: var(--lux-ink) !important;
}

#hero.lux-hero a.lux-corner-link,
#hero.lux-hero a.lux-text-link {
  color: inherit !important;
}

body:has(.lux-page) main > nav.fixed,
body:has(.lux-page) main > nav.fixed * {
  color: #171717 !important;
}

body #site-nav,
body #site-nav * {
  color: #171717 !important;
}

body #site-nav {
  background-color: rgba(245, 245, 245, 0.94) !important;
}

body #site-nav .text-foreground\/50,
body #site-nav [class*="text-foreground/50"] {
  color: rgba(23, 23, 23, 0.58) !important;
}

body:has(.lux-page) main > nav.fixed {
  background-color: rgba(245, 245, 245, 0.94);
}

body:has(.lux-page) main > nav.fixed .text-foreground\/50,
body:has(.lux-page) main > nav.fixed [class*="text-foreground/50"] {
  color: var(--lux-muted) !important;
}

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

.lux-page a {
  text-decoration: none;
}

.lux-course {
  scroll-margin-top: 5rem;
}

.lux-eyebrow {
  color: var(--lux-muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.lux-hero {
  min-height: min(760px, 88svh);
  padding-top: clamp(9rem, 18vw, 13rem);
  padding-bottom: clamp(5rem, 12vw, 9rem);
}

.lux-hero__grid,
.lux-orientation__grid,
.lux-course__header,
.lux-lesson,
.lux-next__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(1.25rem, 3vw, 4rem);
}

.lux-hero__meta {
  grid-column: span 3;
}

.lux-hero__meta .lux-eyebrow {
  margin-bottom: 2.5rem;
}

.lux-hero__signal {
  color: var(--lux-muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.65;
}

.lux-hero__content {
  grid-column: 5 / span 7;
  align-self: end;
}

.lux-hero h1 {
  max-width: 9ch;
  margin-bottom: 2rem;
  color: var(--lux-ink);
  font-size: clamp(3.7rem, 9vw, 8.5rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.86;
}

.lux-hero h1 span {
  color: #177d93;
}

.lux-hero__intro {
  max-width: 42rem;
  margin-bottom: 3rem;
  color: var(--lux-muted);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.5;
}

.lux-hero__links,
.lux-lesson__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.lux-corner-link,
.lux-text-link,
.lux-quiet-link {
  color: inherit;
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.lux-corner-link {
  position: relative;
  display: inline-flex;
  min-height: 2.8rem;
  align-items: center;
  padding: 0.75rem 1.05rem;
  border: 1px solid currentColor;
  transition: background 180ms ease, color 180ms ease;
}

.lux-corner-link:hover,
.lux-corner-link:focus-visible {
  background: var(--lux-ink);
  color: #fff;
}

.lux-text-link,
.lux-quiet-link {
  color: var(--lux-muted);
  transition: color 180ms ease;
}

.lux-text-link:hover,
.lux-text-link:focus-visible,
.lux-quiet-link:hover,
.lux-quiet-link:focus-visible {
  color: var(--lux-ink);
}

.lux-orientation {
  border-top: 1px solid var(--lux-line);
  border-bottom: 1px solid var(--lux-line);
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.lux-orientation__intro {
  grid-column: span 3;
}

.lux-orientation__intro .lux-eyebrow {
  margin-bottom: 1rem;
}

.lux-orientation__intro h2 {
  margin-bottom: 0;
  color: var(--lux-ink);
  font-size: clamp(1.75rem, 3vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.lux-course-index {
  grid-column: 5 / span 8;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.lux-course-index__item {
  min-width: 0;
  min-height: 12rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  border: 1px solid var(--lux-line);
  background: #fff;
  color: var(--lux-ink);
  transition: border-color 180ms ease, transform 180ms ease;
}

.lux-course-index__item:hover,
.lux-course-index__item:focus-visible {
  border-color: var(--lux-ink);
  transform: translateY(-2px);
}

.lux-course-index__item--dark {
  border-color: var(--lux-dark);
  background: var(--lux-dark);
  color: #f5f5f5;
}

.lux-course-index__number {
  color: currentColor;
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.62;
}

.lux-course-index__item strong {
  margin-top: 2.25rem;
  font-size: clamp(1.35rem, 2.5vw, 2.2rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.lux-course-index__item > span:last-child {
  margin-top: 1.15rem;
  color: currentColor;
  font-size: 0.82rem;
  line-height: 1.45;
  opacity: 0.7;
}

.lux-course {
  padding-top: clamp(5rem, 9vw, 9rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
}

.lux-course--light {
  background: #fff;
}

.lux-course--dark {
  background: var(--lux-dark);
  color: #f5f5f5;
}

.lux-course--dark .lux-eyebrow,
.lux-course--dark .lux-course__description,
.lux-course--dark .lux-lesson__summary,
.lux-course--dark .lux-lesson__details,
.lux-course--dark .lux-video__label,
.lux-course--dark .lux-quiet-link {
  color: var(--lux-dark-muted);
}

.lux-course__header {
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.lux-course__header > div {
  grid-column: span 6;
  min-width: 0;
}

.lux-course__header .lux-eyebrow {
  margin-bottom: 1.5rem;
}

.lux-course h2 {
  max-width: 100%;
  margin-bottom: 0;
  color: inherit;
  font-size: clamp(3.4rem, 6vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.86;
  overflow-wrap: anywhere;
}

.lux-course__description {
  grid-column: 8 / span 5;
  max-width: 30rem;
  margin-bottom: 0;
  color: var(--lux-muted);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
}

.lux-course__count {
  margin-top: 1.5rem;
  margin-bottom: 0;
  color: var(--lux-muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lux-course--dark .lux-course__count {
  color: var(--lux-dark-muted);
}

.lux-lesson-list {
  border-top: 1px solid currentColor;
}

.lux-lesson {
  padding-top: 2rem;
  padding-bottom: clamp(4.5rem, 8vw, 8rem);
  border-bottom: 1px solid currentColor;
}

.lux-lesson__number {
  grid-column: span 3;
  color: #177d93;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.lux-lesson__body {
  grid-column: 5 / span 8;
  min-width: 0;
}

.lux-lesson__heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.6rem;
}

.lux-lesson__heading .lux-eyebrow {
  margin-bottom: 1rem;
}

.lux-lesson h3 {
  max-width: 18ch;
  margin-bottom: 0;
  color: inherit;
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.lux-status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.45rem;
  color: var(--lux-muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lux-course--dark .lux-status {
  color: var(--lux-dark-muted);
}

.lux-status i {
  width: 0.42rem;
  height: 0.42rem;
  display: inline-block;
  border-radius: 50%;
  background: #0b9b78;
}

.lux-lesson__summary {
  max-width: 48rem;
  margin-bottom: 1.8rem;
  color: var(--lux-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.45;
}

.lux-lesson__details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 2rem;
  margin-bottom: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--lux-line);
  color: var(--lux-muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  line-height: 1.55;
}

.lux-lesson__details p {
  margin-bottom: 0;
}

.lux-lesson__details strong {
  display: block;
  margin-bottom: 0.2rem;
  color: inherit;
  font-weight: 400;
  text-transform: uppercase;
}

.lux-button {
  min-height: 2.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #177d93;
  color: #fff;
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  transition: background 180ms ease, transform 180ms ease;
}

.lux-button:hover,
.lux-button:focus-visible {
  background: #0c6679;
  transform: translateY(-1px);
}

.lux-course--dark .lux-button {
  background: #b9e5ef;
  color: #111;
}

.lux-course--dark .lux-button:hover,
.lux-course--dark .lux-button:focus-visible {
  background: #fff;
}

.lux-video,
.lux-lesson__image {
  margin-top: 2.5rem;
}

.lux-video {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #dfe6e9;
}

.lux-video iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.lux-video__label {
  margin: 0;
  padding-top: 0.7rem;
  color: var(--lux-muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lux-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.lux-video-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lux-video-grid .lux-video {
  margin-bottom: 0;
}

.lux-lesson__image {
  margin-bottom: 2rem;
}

.lux-lesson__image img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);
}

.lux-lesson__image figcaption {
  padding-top: 0.7rem;
  color: var(--lux-muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
}

.lux-next {
  padding-top: clamp(5rem, 9vw, 9rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
  background: #fff;
}

.lux-next__grid .lux-eyebrow {
  grid-column: span 3;
}

.lux-next__grid > div {
  grid-column: 5 / span 7;
}

.lux-next h2 {
  max-width: 16ch;
  margin-bottom: 2rem;
  color: var(--lux-ink);
  font-size: clamp(2rem, 4.5vw, 4.5rem);
  letter-spacing: -0.06em;
  line-height: 0.95;
}

@media (max-width: 900px) {
  .lux-hero__content,
  .lux-lesson__body,
  .lux-next__grid > div {
    grid-column: 4 / span 9;
  }

  .lux-lesson__number,
  .lux-next__grid .lux-eyebrow,
  .lux-orientation__intro {
    grid-column: span 3;
  }

  .lux-course__header {
    display: block;
  }

  .lux-course__title {
    margin-bottom: 2.25rem;
  }

  .lux-course__description {
    max-width: 42rem;
  }
}

@media (max-width: 720px) {
  body:has(.lux-page) #site-nav .site-nav-industry-mobile,
  body:has(.lux-page) #site-nav .site-services-dropdown {
    display: none !important;
  }

  body:has(.lux-page) #site-nav [data-gsap="navigation-schedule-call"] {
    width: auto;
    margin-left: auto;
  }

  .lux-hero {
    min-height: auto;
    padding-top: 8rem;
  }

  .lux-hero__grid,
  .lux-orientation__grid,
  .lux-course__header,
  .lux-lesson,
  .lux-next__grid {
    display: block;
  }

  .lux-hero__meta,
  .lux-course__header > div,
  .lux-lesson__number,
  .lux-next__grid .lux-eyebrow,
  .lux-orientation__intro {
    margin-bottom: 2rem;
  }

  .lux-hero__content,
  .lux-course__description,
  .lux-lesson__body,
  .lux-next__grid > div {
    width: 100%;
  }

  .lux-hero h1 {
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 4.5rem);
    overflow-wrap: normal;
  }

  .lux-course__header {
    margin-bottom: 3.5rem;
  }

  .lux-course__header h2 {
    font-size: clamp(3.2rem, 15vw, 5rem);
  }

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

  .lux-course-index__item {
    min-height: 10.5rem;
  }

  .lux-lesson__heading {
    display: block;
  }

  .lux-status {
    margin-top: 1.25rem;
  }

  .lux-lesson__details,
  .lux-video-grid {
    grid-template-columns: 1fr;
  }

  .lux-lesson__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .lux-button,
  .lux-quiet-link {
    min-height: 44px;
    align-items: center;
  }

  .lux-button {
    display: inline-flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lux-page * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}