/* Courses page — layout & motion scoped to .page-courses only */

.page-courses {
  --courses-gold: #e8b923;
  --courses-gold-soft: rgba(232, 185, 35, 0.22);
  --courses-ink: #141820;
  --courses-muted: #5c6578;
  --courses-line: rgba(20, 24, 32, 0.08);
  --courses-glass: rgba(255, 255, 255, 0.78);
  --courses-shadow: 0 20px 50px rgba(20, 24, 40, 0.08);
  --font-courses: 'Poppins', system-ui, sans-serif;
}

.page-courses .courses-page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: linear-gradient(165deg, #f6f1e8 0%, #eef4fb 42%, #fdfbf6 100%);
}

.page-courses .courses-page-bg::before,
.page-courses .courses-page-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: courses-orb-float 18s ease-in-out infinite;
}

.page-courses .courses-page-bg::before {
  width: min(52vw, 420px);
  height: min(52vw, 420px);
  background: radial-gradient(circle, rgba(232, 185, 35, 0.55) 0%, transparent 70%);
  top: -8%;
  right: -6%;
  animation-delay: -4s;
}

.page-courses .courses-page-bg::after {
  width: min(48vw, 380px);
  height: min(48vw, 380px);
  background: radial-gradient(circle, rgba(100, 140, 200, 0.35) 0%, transparent 70%);
  bottom: 5%;
  left: -10%;
  animation-delay: -9s;
}

@keyframes courses-orb-float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(2%, 3%) scale(1.04);
  }
  66% {
    transform: translate(-2%, -2%) scale(0.96);
  }
}

@keyframes courses-panel-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.page-courses .courses-main {
  position: relative;
  z-index: 1;
  padding: 2rem 0 3.5rem;
  font-family: var(--font-courses);
  overflow-x: hidden;
}

.page-courses .courses-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 960px) {
  .page-courses .courses-shell {
    grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
    align-items: start;
    gap: 2rem;
  }
}

.page-courses .courses-rail {
  position: relative;
}

@media (min-width: 960px) {
  .page-courses .courses-rail {
    position: sticky;
    top: 5.5rem;
  }
}

.page-courses .courses-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-courses .courses-tabs-hint {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--courses-muted);
}

.page-courses .courses-tabs {
  display: flex;
  flex-direction: row;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

@media (max-width: 767px) {
  .page-courses .courses-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }
}

@media (min-width: 960px) {
  .page-courses .courses-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }
}

.page-courses .courses-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: min(100%, 280px);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--courses-line);
  border-radius: 16px;
  background: var(--courses-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--courses-ink);
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease,
    background 0.25s ease;
  box-shadow: 0 4px 16px rgba(20, 24, 40, 0.04);
}

@media (max-width: 767px) {
  .page-courses .courses-tab {
    width: 100%;
  }
}

@media (min-width: 960px) {
  .page-courses .courses-tab {
    width: 100%;
  }
}

.page-courses .courses-tab:hover {
  border-color: rgba(232, 185, 35, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(20, 24, 40, 0.07);
}

.page-courses .courses-tab[aria-selected='true'] {
  border-color: rgba(232, 185, 35, 0.85);
  background: linear-gradient(135deg, rgba(255, 252, 240, 0.95) 0%, rgba(255, 255, 255, 0.92) 100%);
  box-shadow:
    0 0 0 1px rgba(232, 185, 35, 0.25),
    0 16px 40px rgba(200, 160, 40, 0.12);
}

.page-courses .courses-tab__icon-wrap {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #fff9e6 0%, #fff3cc 100%);
  border: 1px solid rgba(232, 185, 35, 0.35);
  transition: transform 0.25s ease;
}

.page-courses .courses-tab[aria-selected='true'] .courses-tab__icon-wrap {
  transform: scale(1.05);
}

.page-courses .courses-tab__icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
}

.page-courses .courses-tab__text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-courses .courses-tab__label {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.page-courses .courses-tab__hint {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--courses-muted);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.page-courses .courses-stage {
  min-width: 0;
}

.page-courses .courses-panel {
  border-radius: 22px;
  border: 1px solid var(--courses-line);
  background: var(--courses-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--courses-shadow);
  padding: 1.5rem 1.35rem 1.65rem;
  animation: courses-panel-in 0.5s ease forwards;
}

@media (min-width: 640px) {
  .page-courses .courses-panel {
    padding: 1.85rem 1.75rem 2rem;
  }
}

.page-courses .courses-panel[hidden] {
  display: none !important;
}

.page-courses .courses-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--courses-line);
}

.page-courses .courses-panel__title {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 700;
  color: var(--courses-ink);
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22rem;
}

.page-courses .courses-panel__tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--courses-gold-soft);
  color: #7a5f08;
  border: 1px solid rgba(232, 185, 35, 0.35);
}

.page-courses .courses-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.page-courses .courses-stat {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
  border: 1px solid var(--courses-line);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.page-courses .courses-stat:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 24, 40, 0.06);
}

.page-courses .courses-stat__label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--courses-muted);
}

.page-courses .courses-stat__label img {
  width: 15px;
  height: 15px;
  object-fit: contain;
  opacity: 0.9;
}

.page-courses .courses-stat__value {
  margin: 0.4rem 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--courses-ink);
  line-height: 1.35;
}

.page-courses .courses-highlights {
  margin-top: 0.25rem;
}

.page-courses .courses-highlights__title {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--courses-ink);
}

.page-courses .courses-highlights__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-courses .courses-highlights__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--courses-muted);
}

.page-courses .courses-highlights__list li > span:last-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-courses .courses-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 0.12rem;
  line-height: 0;
}

.page-courses .courses-check img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .page-courses .courses-page-bg::before,
  .page-courses .courses-page-bg::after {
    animation: none;
  }

  .page-courses .courses-panel {
    animation: none;
  }

  .page-courses .courses-tab:hover,
  .page-courses .courses-stat:hover {
    transform: none;
  }
}