/* ==========================================================================
   COURSES SECTION STYLES — EDITORIAL SELECTOR & DIRECTIONAL SLIDE
   Miracle IT Career Academy
   ========================================================================== */

.courses-section {
  background-color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   EDITORIAL TWO-COLUMN LAYOUT
   -------------------------------------------------------------------------- */

.courses-selector-layout {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 2.25rem;
  align-items: start;
  margin-top: 2.5rem;
  margin-bottom: 3.5rem;
}

/* --------------------------------------------------------------------------
   LEFT COLUMN: VERTICAL COURSE INDEX
   -------------------------------------------------------------------------- */

.course-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl, 20px);
  padding: 0.85rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.course-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 58px;
  padding: 0.95rem 1.15rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--color-text-muted, #94a3b8);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  position: relative;
  transition:
    background-color 200ms ease,
    border-color 200ms ease,
    color 200ms ease,
    transform 200ms ease,
    box-shadow 200ms ease;
  outline: none;
}

.course-nav-item:focus-visible {
  border-color: #FF7A00;
  box-shadow: 0 0 0 2px rgba(255, 122, 0, 0.4);
}

.course-nav-identity {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  min-width: 0;
}

.course-nav-number {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 800;
  color: rgba(148, 163, 184, 0.5);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  transition: color 200ms ease;
}

.course-nav-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.course-nav-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: rgba(241, 245, 249, 0.82);
  line-height: 1.3;
  transition: color 200ms ease;
}

.course-nav-subtitle {
  font-size: 0.77rem;
  color: rgba(148, 163, 184, 0.65);
  margin-top: 3px;
  transition: color 200ms ease;
}

.course-nav-arrow {
  width: 18px;
  height: 18px;
  color: rgba(148, 163, 184, 0.4);
  flex-shrink: 0;
  transition: transform 220ms ease, color 220ms ease, opacity 220ms ease;
  opacity: 0.4;
}

.course-nav-arrow svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Hover state on course row */
.course-nav-item:hover {
  background: rgba(255, 255, 255, 0.045);
  color: #FFFFFF;
}

.course-nav-item:hover .course-nav-title {
  color: #FFFFFF;
}

.course-nav-item:hover .course-nav-number {
  color: rgba(255, 255, 255, 0.85);
}

.course-nav-item:hover .course-nav-arrow {
  color: #38BDF8;
  transform: translateX(3px);
  opacity: 0.85;
}

/* Active state on course row */
.course-nav-item.is-active {
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.14) 0%, rgba(37, 99, 235, 0.12) 100%);
  border-color: rgba(255, 122, 0, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), inset 3px 0 0 #FF7A00;
}

.course-nav-item.is-active .course-nav-number {
  color: #FF9433;
}

.course-nav-item.is-active .course-nav-title {
  color: #FFFFFF;
  font-weight: 800;
}

.course-nav-item.is-active .course-nav-subtitle {
  color: #CBD5E1;
}

.course-nav-item.is-active .course-nav-arrow {
  color: #FF7A00;
  transform: translateX(4px);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   RIGHT COLUMN: DYNAMIC CARD STAGE & DIRECTIONAL SLIDE
   -------------------------------------------------------------------------- */

.course-display-stage {
  position: relative;
  width: 100%;
  overflow: hidden; /* Clips horizontal slide in / out */
  border-radius: var(--radius-xl, 20px);
}

.course-stage-track {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-areas: "card";
  align-items: start;
}

.course-preview-card {
  grid-area: card;
  width: 100%;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(24px, 0, 0);
  transition:
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 260ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

/* Active card in resting position */
.course-preview-card.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0, 0, 0);
  z-index: 2;
}

/* Directional transitions */
.course-preview-card.is-exiting-left {
  visibility: visible;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-24px, 0, 0);
  z-index: 1;
}

.course-preview-card.is-exiting-right {
  visibility: visible;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(24px, 0, 0);
  z-index: 1;
}

.course-preview-card.is-entering-left {
  visibility: visible;
  opacity: 0;
  transform: translate3d(-24px, 0, 0) !important;
  transition: none !important;
}

.course-preview-card.is-entering-right {
  visibility: visible;
  opacity: 0;
  transform: translate3d(24px, 0, 0) !important;
  transition: none !important;
}

/* --------------------------------------------------------------------------
   CARD INTERIOR CHASSIS
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   CARD INTERIOR CHASSIS — COMPACT, MODERN & INTERACTIVE
   -------------------------------------------------------------------------- */

.course-preview-card .card-inner.compact-card {
  position: relative;
  background: linear-gradient(175deg, rgba(17, 24, 39, 0.94) 0%, rgba(10, 14, 26, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-xl, 20px);
  padding: 1.85rem 2.15rem;
  box-shadow:
    0 16px 40px -10px rgba(0, 0, 0, 0.7),
    0 0 30px -5px rgba(255, 122, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.28s ease;
  overflow: hidden;
}

/* Subtle laser highlight along top edge */
.course-preview-card .card-inner.compact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #FF7A00, #38BDF8, transparent);
  opacity: 0.6;
  transition: opacity 0.3s ease, left 0.3s ease, right 0.3s ease;
}

/* Hover Lift & Glow on Card */
.course-preview-card .card-inner.compact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 122, 0, 0.4);
  box-shadow:
    0 22px 50px -10px rgba(0, 0, 0, 0.82),
    0 0 35px -2px rgba(255, 122, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.course-preview-card .card-inner.compact-card:hover::before {
  opacity: 1;
  left: 0;
  right: 0;
}

.course-card-top {
  margin-bottom: 0.75rem;
}

.course-badge-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.card-demand-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #FBBF24;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 9999px;
  letter-spacing: 0.02em;
}

.course-duration-hint {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: #CBD5E1;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Course Name: Primary Visual Focal Point */
.course-card-title {
  font-size: clamp(1.45rem, 2.3vw, 1.85rem);
  color: #FFFFFF;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.025em;
  margin: 0;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

/* Concise Summary: Who It Is For */
.course-card-summary {
  font-size: 0.92rem;
  color: #CBD5E1;
  line-height: 1.55;
  margin-top: 0.65rem;
  margin-bottom: 0.95rem;
}

.course-card-summary strong {
  color: #38BDF8;
  font-weight: 700;
}

/* Relevant Technology / Tool Logos Row */
.course-tech-stack {
  margin-bottom: 0.95rem;
}

.tech-stack-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-brand);
  margin-bottom: 0.5rem;
}

.tech-logos-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.tech-logo-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.28rem 0.62rem;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.2s ease;
  user-select: none;
  cursor: default;
}

.tech-logo-pill img {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.22s ease;
}

.tech-logo-pill .tech-name {
  font-size: 0.77rem;
  font-weight: 600;
  color: #E2E8F0;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

/* Subtle Interactive Hover Effect on Tech Logo */
.tech-logo-pill:hover {
  transform: translateY(-2px) scale(1.04);
  background: rgba(255, 122, 0, 0.14);
  border-color: rgba(255, 122, 0, 0.45);
  box-shadow: 0 6px 16px -2px rgba(255, 122, 0, 0.25);
}

.tech-logo-pill:hover img {
  transform: scale(1.15) rotate(-3deg);
  filter: drop-shadow(0 0 6px rgba(255, 122, 0, 0.5));
}

.tech-logo-pill:hover .tech-name {
  color: #FFFFFF;
}

/* Light Theme Compatibility */
.section-light .tech-logo-pill,
[data-theme="light"] .tech-logo-pill {
  background: #F8FAFC;
  border-color: #E2E8F0;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.06);
}

.section-light .tech-logo-pill .tech-name,
[data-theme="light"] .tech-logo-pill .tech-name {
  color: #1E293B !important;
}

.section-light .tech-logo-pill:hover,
[data-theme="light"] .tech-logo-pill:hover {
  background: #FFF7ED;
  border-color: #FF7A00;
  box-shadow: 0 4px 14px rgba(255, 122, 0, 0.2);
}

/* 2–4 Key Learning Areas: Sleek Interactive Chips */
.course-key-areas {
  margin-bottom: 1.15rem;
}

.key-areas-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-cyan);
  margin-bottom: 0.65rem;
}

.key-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.key-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: #F1F5F9;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 0.42rem 0.85rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease,
              border-color 0.2s ease,
              color 0.2s ease,
              box-shadow 0.2s ease;
  user-select: none;
  cursor: default;
}

.key-chip:hover {
  transform: translateY(-2px) scale(1.02);
  background: rgba(255, 122, 0, 0.15);
  border-color: rgba(255, 122, 0, 0.45);
  color: #FFFFFF;
  box-shadow: 0 6px 16px -2px rgba(255, 122, 0, 0.25);
}

/* Card Action Footer & Refined Explore CTA */
.course-card-footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-explore-track {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.25rem;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(255, 122, 0, 0.35);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.24s ease;
}

.btn-explore-track .explore-arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.24s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

.btn-explore-track:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 122, 0, 0.55);
}

.btn-explore-track:hover .explore-arrow {
  transform: translateX(4px);
}

.btn-counselling-sub {
  font-size: 0.84rem;
  padding: 0.58rem 1.05rem;
}

/* --------------------------------------------------------------------------
   ADVISORY BANNER (PRESERVED)
   -------------------------------------------------------------------------- */

.courses-advisory-banner {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.8) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem 2.25rem;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.advisory-inner {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.advisory-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.advisory-text {
  flex: 1;
}

.advisory-text strong {
  display: block;
  font-size: 1.05rem;
  color: #FFFFFF;
  margin-bottom: 0.35rem;
}

.advisory-text p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.advisory-action {
  flex-shrink: 0;
}

/* ==========================================================================
   RESPONSIVE: TABLET (768px - 1023px)
   ========================================================================== */

@media (max-width: 1023px) {
  .courses-selector-layout {
    grid-template-columns: 42% 58%;
    gap: 1.5rem;
  }

  .course-preview-card .card-inner {
    padding: 1.75rem;
  }

  .course-nav-item {
    padding: 0.85rem 1rem;
    min-height: 52px;
  }

  .course-nav-title {
    font-size: 0.95rem;
  }

  .course-nav-subtitle {
    font-size: 0.73rem;
  }

  .advisory-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.25rem;
  }
}

/* ==========================================================================
   RESPONSIVE: MOBILE (<= 767px)
   ========================================================================== */

@media (max-width: 767px) {
  .courses-selector-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.75rem;
    margin-bottom: 2.5rem;
  }

  .course-nav-list {
    display: flex !important;
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.35rem 0.5rem;
    gap: 0.5rem;
    border-radius: var(--radius-lg);
  }

  .course-nav-list::-webkit-scrollbar {
    display: none;
  }

  .course-nav-item {
    flex: 0 0 auto;
    scroll-snap-align: start;
    min-height: 44px;
    padding: 0.55rem 0.85rem;
    white-space: nowrap;
  }

  .course-nav-identity {
    gap: 0.5rem;
  }

  .course-nav-title {
    font-size: 0.88rem;
  }

  .course-nav-arrow {
    display: none;
  }

  .course-preview-card .card-inner.compact-card {
    padding: 1.35rem 1.15rem;
  }

  .course-card-title {
    font-size: 1.35rem;
  }

  .course-card-summary {
    font-size: 0.88rem;
    margin-bottom: 0.85rem;
  }

  .key-chip {
    font-size: 0.78rem;
    padding: 0.35rem 0.7rem;
  }

  .course-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .course-card-footer .btn {
    width: 100%;
    justify-content: center;
  }

  .courses-advisory-banner {
    padding: 1.5rem 1.25rem;
  }
}

/* ==========================================================================
   RESPONSIVE: SMALL MOBILE (<= 420px)
   ========================================================================== */

@media (max-width: 420px) {
  .course-nav-subtitle {
    display: none;
  }

  .course-nav-number {
    font-size: 0.82rem;
  }

  .course-nav-title {
    font-size: 0.88rem;
  }

  .course-badge-row {
    gap: 0.45rem;
  }

  .card-demand-tag {
    font-size: 0.68rem;
  }
}

/* ==========================================================================
   RESPONSIVE: ULTRA-NARROW PHONES (<= 380px & 320px)
   ========================================================================== */

@media (max-width: 380px) {
  .course-nav-list {
    padding: 0.35rem;
    gap: 0.25rem;
  }

  .course-nav-item {
    min-height: 42px;
    padding: 0.55rem 0.65rem;
  }

  .course-nav-identity {
    gap: 0.5rem;
  }

  .course-nav-number {
    font-size: 0.76rem;
  }

  .course-nav-title {
    font-size: 0.82rem;
  }

  .course-preview-card .card-inner.compact-card {
    padding: 1.1rem 0.85rem;
    border-radius: var(--radius-lg);
  }

  .course-card-title {
    font-size: 1.18rem;
  }

  .course-card-summary {
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
  }

  .key-chip {
    font-size: 0.74rem;
    padding: 0.28rem 0.55rem;
  }

  .tech-logo-pill {
    padding: 0.22rem 0.5rem;
    gap: 0.32rem;
  }

  .tech-logo-pill img {
    width: 15px;
    height: 15px;
  }

  .tech-logo-pill .tech-name {
    font-size: 0.72rem;
  }

  .courses-advisory-banner {
    padding: 1.1rem 0.85rem;
  }
}

/* ==========================================================================
   ACCESSIBILITY: REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .course-preview-card {
    transition: none !important;
    transform: none !important;
  }

  .course-preview-card .card-inner.compact-card {
    transition: none !important;
    transform: none !important;
  }

  .course-nav-item {
    transition: none !important;
  }

  .course-nav-arrow {
    transition: none !important;
  }
}