/* Curriculum Milestones — curriculum-journey-* */

.curriculum-journey-section {
  --journey-emerald-950: #042a25;
  --journey-emerald-900: #073b33;
  --journey-emerald-800: #0c5144;
  --journey-gold: #c9993a;
  --journey-gold-light: #ead39a;
  --journey-cream-alt: #fbf7ee;
  --journey-ivory: #fffdf8;
  --journey-text: #173b32;
  --journey-muted: #66756f;
  --journey-border: rgba(7, 59, 51, 0.14);
  position: relative;
  background: var(--journey-cream-alt);
  overflow: hidden;
  scroll-margin-bottom: 5rem;
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.curriculum-journey-section__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background: url("../icons/islamic-rosette.svg") center / 420px repeat;
}

.curriculum-journey-section__intro {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  margin-inline: auto;
}

.curriculum-journey-section__separator {
  width: 3.5rem;
  height: 3px;
  margin: 1rem auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--journey-gold), var(--journey-gold-light));
}

.curriculum-journey-section__subtitle {
  max-width: 38.75rem;
  margin-inline: auto;
  font-size: 1.05rem;
  line-height: 1.65;
}

.curriculum-journey-timeline {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin-inline: auto;
  padding-inline-start: 2.5rem;
  --curriculum-journey-line-scale: 1;
}

.curriculum-journey-timeline__line {
  position: absolute;
  top: 0;
  inset-inline-start: 0.65rem;
  width: 3px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--journey-gold-light),
    var(--journey-emerald-900) 15%,
    var(--journey-emerald-900) 85%,
    var(--journey-gold-light)
  );
  border-radius: 3px;
  transform: scaleY(var(--curriculum-journey-line-scale));
  transform-origin: top center;
  transition: transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.curriculum-journey-milestone {
  position: relative;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.curriculum-journey-milestone:last-child {
  margin-bottom: 0;
}

.curriculum-journey-marker {
  position: absolute;
  inset-inline-start: calc(-2.5rem + 0.35rem);
  top: 1.35rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--journey-gold);
  border: 3px solid var(--journey-ivory);
  box-shadow: 0 0 0 3px rgba(201, 153, 58, 0.35);
  z-index: 2;
}

.curriculum-journey-marker::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--journey-emerald-900);
}

.curriculum-journey-marker.is-pulsed {
  animation: curriculum-journey-pulse-once 0.85s ease forwards;
}

@keyframes curriculum-journey-pulse-once {
  0% {
    box-shadow: 0 0 0 3px rgba(201, 153, 58, 0.35);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(201, 153, 58, 0.12);
  }
  100% {
    box-shadow: 0 0 0 3px rgba(201, 153, 58, 0.35);
  }
}

.curriculum-journey-card {
  border-radius: 22px;
  padding: 1.35rem 1.45rem 1.45rem;
  border: 1px solid var(--journey-border);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 14px 36px rgba(4, 42, 37, 0.07);
  transition:
    transform 0.36s ease,
    border-color 0.36s ease,
    box-shadow 0.36s ease;
  overflow: hidden;
}

.curriculum-journey-card--tone-1 {
  --tone-bg: linear-gradient(145deg, #b8e8d0 0%, #8fd4b4 100%);
  --tone-accent: #067a52;
  --tone-accent-dark: #034a38;
  --tone-border: rgba(6, 122, 82, 0.34);
  background: var(--tone-bg);
  border-color: var(--tone-border);
}

.curriculum-journey-card--tone-2 {
  --tone-bg: linear-gradient(145deg, #b4daf0 0%, #86c4e6 100%);
  --tone-accent: #156a8a;
  --tone-accent-dark: #0a4560;
  --tone-border: rgba(21, 106, 138, 0.34);
  background: var(--tone-bg);
  border-color: var(--tone-border);
}

.curriculum-journey-card--tone-3 {
  --tone-bg: linear-gradient(145deg, #f2d078 0%, #e4b84a 100%);
  --tone-accent: #9a6800;
  --tone-accent-dark: #5c4008;
  --tone-border: rgba(154, 104, 0, 0.38);
  background: var(--tone-bg);
  border-color: var(--tone-border);
}

.curriculum-journey-card--tone-4 {
  --tone-bg: linear-gradient(145deg, #c8b8e8 0%, #a894dc 100%);
  --tone-accent: #5c4090;
  --tone-accent-dark: #352658;
  --tone-border: rgba(92, 64, 144, 0.34);
  background: var(--tone-bg);
  border-color: var(--tone-border);
}

.curriculum-journey-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(201, 153, 58, 0.45);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 22px 48px rgba(4, 42, 37, 0.12);
}

.curriculum-journey-card__accent {
  display: block;
  width: 2.5rem;
  height: 3px;
  border-radius: 0 0 3px 3px;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--tone-accent-dark, var(--journey-gold)), var(--tone-accent, var(--journey-gold-light)));
}

.curriculum-journey-card__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.curriculum-journey-card__head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.curriculum-journey-level-badge {
  font-family: var(--font-family-sans);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--journey-gold-light);
  background: linear-gradient(145deg, var(--journey-emerald-900), var(--journey-emerald-950));
  border: 1px solid rgba(201, 153, 58, 0.35);
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.curriculum-journey-card__title {
  font-family: var(--font-family-serif);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 0;
  flex: 1 1 14rem;
  text-align: start;
  background: linear-gradient(135deg, var(--tone-accent-dark, var(--journey-emerald-950)) 0%, var(--tone-accent, var(--journey-emerald-800)) 55%, var(--tone-accent-dark, var(--journey-emerald-950)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not (background-clip: text) {
  .curriculum-journey-card__title {
    color: var(--tone-accent-dark, var(--journey-emerald-950));
    background: none;
  }
}

.curriculum-journey-card__duration {
  font-family: var(--font-family-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--journey-muted);
  white-space: nowrap;
}

.curriculum-journey-card__skills-label {
  font-family: var(--font-family-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--journey-emerald-900);
  margin-bottom: 0.5rem;
  text-align: start;
}

.curriculum-journey-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
}

.curriculum-journey-chip {
  font-family: var(--font-family-sans);
  font-size: 0.75rem;
  line-height: 1.35;
  color: var(--journey-text);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(6, 79, 60, 0.22);
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
}

.curriculum-journey-card__skills-text {
  font-family: var(--font-family-sans);
  font-size: 0.9375rem;
  line-height: 1.62;
  color: var(--journey-muted);
  margin: 0;
  text-align: start;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

@media (min-width: 992px) {
  .curriculum-journey-milestone:nth-child(even) .curriculum-journey-card {
    margin-inline-start: 2.5rem;
  }

  .curriculum-journey-milestone:nth-child(odd) .curriculum-journey-card {
    margin-inline-end: 2.5rem;
  }
}

.curriculum-journey-section.curriculum-journey-animate .curriculum-journey-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.curriculum-journey-section.curriculum-journey-animate .curriculum-journey-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 992px) {
  .curriculum-journey-section.curriculum-journey-animate .curriculum-journey-milestone:nth-child(odd).curriculum-journey-reveal {
    transform: translate(22px, 22px);
  }

  .curriculum-journey-section.curriculum-journey-animate .curriculum-journey-milestone:nth-child(even).curriculum-journey-reveal {
    transform: translate(-22px, 22px);
  }

  .curriculum-journey-section.curriculum-journey-animate .curriculum-journey-milestone.curriculum-journey-reveal.is-visible {
    transform: translate(0, 0);
  }
}

@media (max-width: 991.98px) {
  .curriculum-journey-timeline {
    padding-inline-start: 2rem;
  }

  .curriculum-journey-marker {
    inset-inline-start: calc(-2rem + 0.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .curriculum-journey-timeline__line,
  .curriculum-journey-marker.is-pulsed,
  .curriculum-journey-card,
  .curriculum-journey-section.curriculum-journey-animate .curriculum-journey-reveal {
    transition: none;
    animation: none;
    transform: none;
    opacity: 1;
  }

  .curriculum-journey-timeline {
    --curriculum-journey-line-scale: 1;
  }
}