/* ===== COURSES UPCOMING PAGE STYLES ===== */

/* Hero Section */
.courses-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--navbar-height, 70px) + 3rem) 2rem 4rem;
}

.courses-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0B1120 0%, #1E293B 50%, #0B1120 100%);
  z-index: 0;
}

.courses-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

.courses-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.courses-glow-orb.orb-gold {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.4), transparent);
  top: -100px;
  right: 10%;
  animation: float 15s ease-in-out infinite;
}

.courses-glow-orb.orb-cyan {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.3), transparent);
  bottom: -50px;
  left: 20%;
  animation: float 12s ease-in-out infinite reverse;
}

.courses-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.courses-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.text-gradient-gold {
  background: linear-gradient(90deg, #FFD700, #FFA500, #FFD700);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}

.courses-hero-subtitle {
  font-size: 1.15rem;
  color: #9CA3AF;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.courses-hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-outline-cyan {
  background: transparent;
  border: 2px solid rgba(56, 189, 248, 0.5);
  color: #38BDF8;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-outline-cyan:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: #38BDF8;
  color: #38BDF8;
}

/* Roadmap Section */
.courses-roadmap-section {
  background: linear-gradient(180deg, #0B1120, #1E293B);
  padding: 5rem 0;
}

.courses-timeline {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Course Card */
.course-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(11, 17, 32, 0.9));
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 1.5rem;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.course-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.course-number {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(56, 189, 248, 0.1);
  line-height: 1;
}

.course-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.course-badge.upcoming {
  background: rgba(255, 215, 0, 0.15);
  color: #FFD700;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.course-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.course-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}

.course-description {
  color: #9CA3AF;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.course-modules {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.course-modules h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #38BDF8;
  margin-bottom: 1rem;
}

.course-modules ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.course-modules li {
  color: #E5E7EB;
  font-size: 0.9rem;
  padding-left: 1.25rem;
  position: relative;
}

.course-modules li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #38BDF8;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(56, 189, 248, 0.1);
}

.meta-item {
  font-size: 0.85rem;
  color: #9CA3AF;
}

.meta-item strong {
  color: #E5E7EB;
}

.course-cta {
  text-align: center;
}

.notify-btn {
  display: inline-block;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 165, 0, 0.2));
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: #FFD700;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.notify-btn:hover {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 165, 0, 0.3));
  transform: translateY(-2px);
  color: #FFD700;
}

/* Difference Section */
.courses-difference-section {
  background: #ffffff;
  padding: 5rem 0;
}

.difference-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.difference-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: #f8fafc;
  border-radius: 1rem;
  transition: all 0.3s ease;
}

.difference-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.difference-icon {
  width: 64px;
  height: 64px;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.25rem;
  color: white;
}

.difference-icon.cyan { background: linear-gradient(135deg, #38BDF8, #0ea5e9); }
.difference-icon.amber { background: linear-gradient(135deg, #FFD700, #ea580c); }
.difference-icon.emerald { background: linear-gradient(135deg, #10b981, #14b8a6); }
.difference-icon.violet { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

.difference-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #0B1120;
}

.difference-card p {
  color: #6B7280;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Free CTA Section */
.courses-free-cta-section {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
}

.courses-free-cta-section .cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0B1120, #1E293B);
  z-index: 0;
}

.courses-free-cta-section .cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.courses-free-cta-section h2 {
  color: #ffffff;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.courses-free-cta-section .cta-description {
  color: #9CA3AF;
  margin-bottom: 2rem;
}

/* Fade-in Animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section Labels */
.section-label-gold {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #0ea5e9;
  background: rgba(14, 165, 233, 0.08);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .courses-hero {
    padding: 4rem 1rem 3rem;
  }

  .courses-hero-title {
    font-size: 2rem;
  }

  .course-card {
    padding: 1.5rem;
  }

  .course-modules ul {
    grid-template-columns: 1fr;
  }

  .course-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .difference-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .courses-hero {
    padding: calc(var(--navbar-height, 70px) + 2rem) 1rem 2.5rem;
    min-height: 40vh;
  }
  .courses-hero-title {
    font-size: 1.75rem;
  }
  .course-card {
    padding: 1.25rem;
  }
  .course-modules ul {
    gap: 0.35rem;
  }
}

/* ==========================================================================
   FADE-IN ANIMATION OVERRIDE
   Forces visibility for fade-in elements (no JS IntersectionObserver on this page)
   ========================================================================== */

.courses-hero .fade-in,
.courses-roadmap-section .fade-in,
.courses-getting-started .fade-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
  visibility: visible !important;
}