/* ==========================================
   HOMEPAGE & LANDING STYLES (PHASES 2 & 4)
   ========================================== */

/* Hero Carousel */
.hero-carousel-section {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 550px;
  max-height: 750px;
  overflow: hidden;
  background-color: var(--colour-primary);
}

.hero-carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-content {
  color: var(--colour-secondary);
  max-width: 800px;
  padding: 0 1.5rem;
  transform: translateY(20px);
  transition: transform 0.8s ease;
}

.hero-slide.active .hero-content {
  transform: translateY(0);
}

.hero-badge {
  display: inline-block;
  background-color: rgba(37, 99, 235, 0.2);
  color: var(--colour-accent);
  border: 1px solid rgba(96, 165, 250, 0.3);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--colour-secondary);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 2rem;
  line-height: 1.6;
  max-width: 680px;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Controls & Indicators */
.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.4);
  color: var(--colour-secondary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.75rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.carousel-control:hover {
  background: rgba(37, 99, 235, 0.8);
  transform: translateY(-50%) scale(1.05);
}

.carousel-control.prev { left: 1.5rem; }
.carousel-control.next { right: 1.5rem; }

.carousel-indicators {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}

.carousel-indicators .indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-indicators .indicator.active {
  background: var(--colour-accent);
  width: 32px;
  border-radius: 6px;
}

/* AI 101 Landing Page Styles */
.landing-hero-section {
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, var(--colour-primary) 0%, var(--colour-primary-light) 100%);
  color: var(--colour-secondary);
  text-align: center;
}

.urgency-badge {
  display: inline-block;
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  padding: 0.4rem 1.25rem;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.landing-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  color: var(--colour-secondary);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.landing-late {
  font-size: clamp(1.1rem, 2.25vw, 1.8rem);
  font-weight: 400;
  color: var(--colour-secondary);
  line-height: 0.6;
  margin-bottom: 0.6125rem;
}

.landing-title .highlight { color: var(--colour-accent); }

.landing-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: #94a3b8;
  max-width: 820px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.6;
}

.hero-cta-box {
  background-color: var(--colour-primary-light);
  border: 1px solid var(--colour-border-dark);
  border-radius: 12px;
  padding: 2rem;
  max-width: 550px;
  margin: 0 auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.price-strike { text-decoration: line-through; color: #fff000; font-size: 1.5rem; }
.price-free { font-size: 2.25rem; font-weight: 900; color: #22c55e; }
.price-note { font-size: 0.85rem; color: rgba(255, 255, 255, 0.78); }


.btn-large {
  width: 100%;
  padding: 1.1rem 2rem;
  font-size: 1.15rem;
}

/* Value Grid */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.value-card {
  background-color: var(--colour-secondary);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--colour-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.value-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--colour-accent);
  margin-bottom: 0.5rem;
}

/* Curriculum Timeline */
.curriculum-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.curriculum-card {
  background-color: var(--colour-secondary);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-top: 5px solid var(--colour-accent);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
}

.day-badge {
  background-color: var(--colour-accent);
  color: var(--colour-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.curriculum-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}

.curriculum-list li {
  margin-bottom: 0.85rem;
  line-height: 1.5;
  color: var(--colour-text-secondary);
  font-size: 0.95rem;
}

/* Instructor Section */
.instructor-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .instructor-grid {
    grid-template-columns: 1fr;
  }
}

.instructor-img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
}

.instructor-label {
  color: var(--colour-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

.backed-by-box {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--colour-border-dark);
}

/* Registration & Upsell Section */
.registration-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .registration-wrapper {
    grid-template-columns: 1fr;
  }
}

.resource-pack-card, .registration-form-card {
  background-color: var(--colour-secondary);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--colour-border);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.resource-list {
  list-style: none;
  padding: 0;
  margin-top: 1.25rem;
}

.resource-list li {
  padding: 0.5rem 0;
  color: var(--colour-border-dark);
  font-weight: 500;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--colour-primary-light);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 6px;
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--colour-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.btn-block {
  width: 100%;
}

.secure-note {
  display: block;
  text-align: center;
  font-size: 0.8rem;
  color: var(--colour-text-muted);
  margin-top: 0.75rem;
}







/* ------------------------------------------
   Service Cards
   ------------------------------------------ */
.service-card {
  text-align: center;
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  background-color: var(--colour-background-alt);
  border: 1px solid var(--colour-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--colour-primary);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ------------------------------------------
   Stats Section
   ------------------------------------------ */
.stats-section {
  background-color: var(--colour-background-dark);
  color: var(--colour-text-inverse);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--colour-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: rgba(255, 255, 255, 0.75);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-number {
    font-size: var(--text-4xl);
  }
}

/* ------------------------------------------
   Course Cards
   ------------------------------------------ */
.course-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-image {
  aspect-ratio: 16 / 9;
  background-color: var(--colour-background-alt);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--colour-text-muted);
  font-size: var(--text-sm);
  border: 1px solid var(--colour-border);
}

.course-meta {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--colour-accent-dark);
  margin-bottom: var(--space-2);
}

.course-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--colour-primary);
}

.course-description {
  color: var(--colour-text-secondary);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

/* ------------------------------------------
   Event Items
   ------------------------------------------ */
.event-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-6);
  background-color: var(--colour-background);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base);
  align-items: start;
}

.event-item:hover {
  box-shadow: var(--shadow-md);
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 64px;
  background-color: var(--colour-primary);
  color: var(--colour-text-inverse);
  border-radius: var(--radius-md);
  text-align: center;
  line-height: 1;
  flex-shrink: 0;
}

.event-date-day {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
}

.event-date-month {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-top: var(--space-1);
}

.event-details h3 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--colour-primary);
}

.event-location {
  font-size: var(--text-sm);
  color: var(--colour-text-secondary);
  margin-bottom: var(--space-3);
}

/* ------------------------------------------
   CTA Section
   ------------------------------------------ */
.cta-section {
  text-align: center;
  background-color: var(--colour-primary);
  color: var(--colour-text-inverse);
}

.cta-section .section-title {
  color: var(--colour-text-inverse);
}

.cta-section .section-description {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-7);
}



/* Phase 3 brand refinement */
.hero-carousel-section,
.landing-hero-section {
  background-color: var(--colour-primary);
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 34, 0.18), rgba(7, 21, 34, 0.05));
  pointer-events: none;
}

.hero-slide > * {
  position: relative;
  z-index: 1;
}

.hero-badge {
  background-color: rgba(212, 175, 55, 0.14);
  color: var(--colour-accent);
  border-color: rgba(212, 175, 55, 0.40);
}

.carousel-control:hover {
  background: rgba(212, 175, 55, 0.88);
  color: var(--colour-primary);
}

.carousel-indicators .indicator.active {
  background: var(--colour-accent);
}

.landing-title .highlight {
  color: var(--colour-accent);
}