/* ==========================================================================
   APC Pédagogie — Design System & Custom Styles
   Framework: Bootstrap 5 (loaded via CDN)
   Fonts: Inter (UI), JetBrains Mono (code)
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* — Primary Palette — */
  --apc-primary:        #2563EB; /* Bright Blue */
  --apc-primary-light:  #3B82F6;
  --apc-primary-dark:   #1D4ED8;
  --apc-primary-rgb:    37, 99, 235;
  --apc-primary-50:     #EFF6FF;
  --apc-primary-100:    #DBEAFE;
  --apc-primary-200:    #BFDBFE;
  --apc-primary-700:    #1D4ED8;

  /* — Accent (Vibrant Amber/Gold) — */
  --apc-accent:         #F59E0B;
  --apc-accent-light:   #FCD34D;
  --apc-accent-dark:    #D97706;

  /* — Success / Warning / Danger — */
  --apc-success:        #10B981;
  --apc-warning:        #F59E0B;
  --apc-danger:         #EF4444;

  /* — Neutrals (Light Mode Backgrounds) — */
  --apc-white:          #FFFFFF; /* Card Backgrounds */
  --apc-off-white:      #F8FAFC; /* Main Background */
  
  /* Text Colors (Light Mode) */
  --apc-gray-50:        #F8FAFC;
  --apc-gray-100:       #F1F5F9;
  --apc-gray-200:       #E2E8F0;
  --apc-gray-300:       #CBD5E1;
  --apc-gray-400:       #94A3B8;
  --apc-gray-500:       #64748B; /* Muted Text */
  --apc-gray-600:       #475569; /* Secondary Text */
  --apc-gray-700:       #334155; /* Primary Text */
  --apc-gray-800:       #1E293B; /* Headings */
  --apc-gray-900:       #0F172A; /* Darkest Text */

  /* — Typography — */
  --font-sans:          'Inter', 'Poppins', system-ui, -apple-system, sans-serif;
  --font-arabic:        'Tajawal', 'Cairo', sans-serif;
  --font-mono:          'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* — Spacing — */
  --section-py:         5rem;

  /* — Borders & Radius — */
  --radius-sm:          0.375rem;
  --radius-md:          0.625rem;
  --radius-lg:          1rem;
  --radius-xl:          1.25rem;
  --radius-full:        9999px;

  /* — Shadows — */
  --shadow-xs:          0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm:          0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:          0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg:          0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl:          0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-card:        0 1px 3px rgba(0,0,0,0.06), 0 6px 16px rgba(0,0,0,0.04);
  --shadow-card-hover:  0 4px 12px rgba(0,0,0,0.1), 0 12px 28px rgba(0,0,0,0.08);

  /* — Transitions — */
  --transition-fast:    150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:    250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth:  350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   1. Base & Reset Enhancements
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--apc-gray-700);
  background-color: var(--apc-off-white);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
}

::selection {
  background-color: var(--apc-primary-200);
  color: var(--apc-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* — RTL & Arabic Typography — */
.rtl, [dir="rtl"] {
  direction: rtl;
  text-align: right;
  font-family: var(--font-arabic);
}

.arabic-text {
  font-family: var(--font-arabic) !important;
  line-height: 1.8;
  letter-spacing: 0;
}

/* Bi-directional support for mixed content */
.bidi-wrapper {
  unicode-bidi: embed;
}

a {
  color: var(--apc-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--apc-primary);
}

/* --------------------------------------------------------------------------
   2. Header / Navbar
   -------------------------------------------------------------------------- */

/* — Header Wrapper (Sticky) — */
.apc-header-absolute,
.apc-header-solid {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1050;
}

/* — Solid Header Wrapper — */
.apc-header-solid {
  background-color: var(--apc-primary);
  width: 100%;
  z-index: 1050;
}
.apc-header-solid .apc-navbar {
  background-color: var(--apc-primary);
}

/* — Top Bar — */
.apc-topbar {
  background-color: #0a0a0a;
  color: #d1d5db;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.apc-topbar-text {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.apc-social-links {
  gap: 1.5rem;
}

.apc-social-links a {
  color: var(--apc-gray-300);
  font-size: 1.15rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.apc-social-links a:hover {
  color: var(--apc-white);
  transform: scale(1.2);
}

/* — Main Navbar (Solid) — */
.apc-navbar {
  background-color: #091b33 !important; /* Dark blue from screenshot */
  background-image: 
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1rem 0;
  transition: all var(--transition-smooth);
  z-index: 1040;
}

.apc-navbar.scrolled {
  background-color: #091b33 !important;
  background-image: 
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  padding: 0.5rem 0;
}

/* — Logo Image — */
.apc-logo-img {
  height: 60px;
  width: auto;
  transition: height var(--transition-smooth);
}

.apc-navbar.scrolled .apc-logo-img {
  height: 50px;
}

/* — Nav Links — */
.apc-navbar .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.55rem 1rem !important;
  border-radius: 6px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.apc-navbar .nav-link:hover,
.apc-navbar .nav-link:focus,
.apc-navbar .nav-link.active {
  color: var(--apc-white);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Fix Toggler */
.apc-navbar .navbar-toggler {
  border: none;
  padding: 0;
}
.apc-navbar .navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}

/* — Dropdown (Menus déroulants) — */
.apc-navbar .dropdown-menu {
  background-color: var(--apc-white);
  border: none;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: 0.5rem;
  margin-top: 0.5rem;
  min-width: 15rem;
  animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* — Global Float Animation — */
@keyframes float {
  0% { transform: translateY(0px) translateX(0px); }
  50% { transform: translateY(-15px) translateX(5px); }
  100% { transform: translateY(0px) translateX(0px); }
}

.apc-navbar .dropdown-item {
  color: var(--apc-gray-700);
  font-size: 0.9rem;
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.apc-navbar .dropdown-item:hover {
  background-color: var(--apc-primary-50);
  color: var(--apc-primary);
}

.apc-navbar .dropdown-item .bi {
  font-size: 1rem;
  color: var(--apc-gray-400);
  flex-shrink: 0;
}

.apc-navbar .dropdown-item:hover .bi {
  color: var(--apc-primary-light);
}

/* — Sub-dropdown (Level 2 & 3) — */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu > .dropdown-menu {
  top: -0.5rem;
  left: 100%;
  margin-top: 0;
  margin-left: 0.25rem;
  display: none;
}

.dropdown-submenu > .dropdown-item::after {
  content: '\F285'; /* Bootstrap icon chevron-right */
  font-family: 'bootstrap-icons';
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--apc-gray-400);
}

.dropdown-submenu:hover > .dropdown-menu {
  display: block;
}

/* Prevent right-side overflow: flip submenus that go off-screen */
@media (min-width: 992px) {
  .dropdown-submenu .dropdown-menu {
    max-height: 80vh;
    overflow-y: auto;
  }
}

/* — Mobile Accordion Dropdowns — */
@media (max-width: 991.98px) {
  .apc-navbar .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 1rem;
    margin-top: 0;
    animation: none;
  }

  .apc-navbar .dropdown-item {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    white-space: normal;
  }

  .apc-navbar .dropdown-item:hover,
  .apc-navbar .dropdown-item:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
  }

  .apc-navbar .dropdown-item .bi {
    color: rgba(255, 255, 255, 0.5);
  }

  .dropdown-submenu > .dropdown-menu {
    position: static;
    left: 0;
    margin-left: 0;
    padding-left: 1rem;
    border-left: 2px solid var(--apc-accent);
  }

  .dropdown-submenu > .dropdown-item::after {
    content: '\F282'; /* chevron-down */
    color: rgba(255, 255, 255, 0.5);
  }

  .dropdown-submenu.open > .dropdown-item::after {
    content: '\F286'; /* chevron-up */
  }

  .apc-navbar .nav-link {
    padding: 0.65rem 0.75rem !important;
  }

  .apc-navbar .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.1);
  }
}

/* — Actions (Recherche & Boutons Auth) — */
.apc-nav-actions .nav-icon-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.apc-nav-actions .nav-icon-link:hover {
  color: var(--apc-accent);
  transform: scale(1.1);
}

/* Ghost Button (Se connecter) */
.btn-apc-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: white;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.45rem 1.25rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.btn-apc-ghost:hover {
  background-color: white;
  color: var(--apc-primary);
  border-color: white;
}

/* Accent Button (S'inscrire) */
.btn-apc-accent {
  background-color: var(--apc-accent);
  color: #111827;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.45rem 1.25rem;
  border-radius: 6px;
  border: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.btn-apc-accent:hover {
  background-color: var(--apc-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
}

/* Futuristic Button (Visual Composer Replacements) */
.btn-apc-futuristic {
  position: relative;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(79, 70, 229, 0.1));
  color: var(--apc-primary) !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  border: 2px solid var(--apc-primary-200);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.05);
}

.btn-apc-futuristic::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--apc-primary), var(--apc-primary-dark));
  z-index: -1;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.btn-apc-futuristic:hover {
  color: #ffffff !important;
  border-color: transparent;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-apc-futuristic:hover::before {
  opacity: 1;
  transform: scaleX(1);
  transform-origin: left;
}

/* Futuristic Cards (Subcategories) */
.apc-futur-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -5px rgba(0,0,0,0.1) !important;
  border-color: #e2e8f0 !important;
}

.apc-futur-btn:hover {
  background: #d97706 !important;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   3. Hero Section
   -------------------------------------------------------------------------- */
.apc-hero {
  position: relative;
  background-color: #0F172A; /* Dark slate blue matching the image */
  padding: 10rem 0 5rem; /* Increased top padding to account for absolute header */
  overflow: hidden;
  color: white;
}

.apc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.apc-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");
  pointer-events: none;
}

.apc-hero-content {
  position: relative;
  z-index: 2;
}

.apc-hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.apc-hero h1 .highlight {
  color: var(--apc-accent-light);
}

.apc-hero .lead {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.apc-hero .btn-hero {
  background: white;
  color: var(--apc-primary-dark);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  border: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.apc-hero .btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  color: var(--apc-primary);
}

.apc-hero .btn-hero-outline {
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.35);
  transition: all var(--transition-base);
}

.apc-hero .btn-hero-outline:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transform: translateY(-2px);
}

/* Hero Stats */
.apc-hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.apc-hero-stat h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.15rem;
}

.apc-hero-stat p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

/* Hero Illustration */
.apc-hero-visual {
  position: relative;
  z-index: 2;
}

.apc-hero-code-card {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #e2e8f0;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.apc-hero-code-card .code-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dot.red    { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green  { background: #22c55e; }

.code-header span.filename {
  margin-left: 0.75rem;
  color: var(--apc-gray-400);
  font-size: 0.8rem;
}

.code-line {
  line-height: 1.8;
}

.code-line .keyword  { color: #c084fc; }
.code-line .function { color: #67e8f9; }
.code-line .string   { color: #86efac; }
.code-line .comment  { color: #64748b; }
.code-line .number   { color: #fdba74; }

/* Floating badges on hero */
.apc-float-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  position: absolute;
  animation: floatBadge 6s ease-in-out infinite;
}

.apc-float-badge.badge-1 { top: 10%; right: -10%; animation-delay: 0s; }
.apc-float-badge.badge-2 { bottom: 15%; right: -5%; animation-delay: 2s; }
.apc-float-badge.badge-3 { bottom: 5%; left: 5%; animation-delay: 4s; }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* --------------------------------------------------------------------------
   4. Section Titles
   -------------------------------------------------------------------------- */
.apc-section {
  padding: var(--section-py) 0;
}

.apc-section.bg-white {
  background-color: var(--apc-white);
}

.apc-section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.apc-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--apc-primary-50);
  color: var(--apc-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.apc-section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--apc-gray-900);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.apc-section-subtitle {
  font-size: 1.05rem;
  color: var(--apc-gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   5. Category Cards
   -------------------------------------------------------------------------- */
.apc-category-card {
  background: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.apc-category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--apc-primary), var(--apc-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.apc-category-card:hover {
  border-color: var(--apc-primary-200);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.apc-category-card:hover::before {
  transform: scaleX(1);
}

.apc-category-icon {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2.2rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 10px 20px rgba(0,0,0,0.04);
}

.apc-category-card:hover .apc-category-icon {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 15px 25px rgba(0,0,0,0.08);
}

.apc-category-icon.icon-web       { background: #eff6ff; color: var(--apc-primary); }
.apc-category-icon.icon-mobile    { background: #f0fdf4; color: var(--apc-success); }
.apc-category-icon.icon-pedagogy  { background: #fef3c7; color: var(--apc-warning); }
.apc-category-icon.icon-database  { background: #fce7f3; color: #db2777; }
.apc-category-icon.icon-devops    { background: #f3e8ff; color: #7c3aed; }
.apc-category-icon.icon-algo      { background: #ecfdf5; color: #059669; }

.apc-category-card h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--apc-gray-800);
  margin-bottom: 0.45rem;
}

.apc-category-card p {
  font-size: 0.875rem;
  color: var(--apc-gray-500);
  margin: 0;
  line-height: 1.55;
}

.apc-category-count {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--apc-primary);
  background: var(--apc-primary-50);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   6. Course / Article Cards
   -------------------------------------------------------------------------- */
.apc-course-card {
  background: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.apc-course-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: var(--apc-gray-300);
}

.apc-course-thumb {
  position: relative;
  aspect-ratio: 16 / 9.5;
  overflow: hidden;
  background: var(--apc-gray-100);
}

.apc-course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.apc-course-card:hover .apc-course-thumb img {
  transform: scale(1.05);
}

.apc-course-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  color: var(--apc-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
}

.apc-course-body {
  padding: 1.25rem 1.35rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.apc-course-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  font-size: 0.8rem;
  color: var(--apc-gray-500);
}

.apc-course-meta .bi {
  font-size: 0.85rem;
}

.apc-course-body h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-bottom: 0.55rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.apc-course-body h5 a {
  color: inherit;
  text-decoration: none;
}

.apc-course-body h5 a:hover {
  color: var(--apc-primary);
}

.apc-course-excerpt {
  font-size: 0.875rem;
  color: var(--apc-gray-500);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.apc-course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--apc-gray-100);
}

.apc-course-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.apc-course-author img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
  background: white;
  padding: 2px;
  border: 1.5px solid rgba(26, 54, 93, 0.2);
}

.apc-course-author span {
  color: var(--apc-gray-600);
  font-weight: 500;
}

.apc-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--apc-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition-fast);
}

.apc-read-more:hover {
  gap: 0.55rem;
  color: var(--apc-primary-dark);
}

/* --------------------------------------------------------------------------
   7. Newsletter / CTA Section
   -------------------------------------------------------------------------- */
.apc-newsletter {
  background-color: var(--apc-primary-dark);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.apc-newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='20' cy='20' r='1' fill='rgba(255,255,255,0.08)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.apc-newsletter h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
  position: relative;
}

.apc-newsletter p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  max-width: 480px;
  position: relative;
}

.apc-newsletter .input-group {
  max-width: 460px;
  position: relative;
}

.apc-newsletter .form-control {
  border: none;
  border-radius: var(--radius-full);
  padding: 0.8rem 1.25rem;
  font-size: 0.95rem;
}

.apc-newsletter .btn {
  border-radius: var(--radius-full);
  padding: 0.8rem 1.75rem;
  font-weight: 600;
  background: var(--apc-gray-900);
  color: white;
  border: none;
  margin-left: 0.5rem;
  transition: all var(--transition-fast);
}

.apc-newsletter .btn:hover {
  background: var(--apc-gray-800);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   8. Footer
   -------------------------------------------------------------------------- */
.apc-footer {
  background-color: var(--apc-gray-900);
  color: var(--apc-gray-400);
  padding-top: 4rem;
  font-size: 0.9rem;
}

.apc-footer h6 {
  color: var(--apc-white);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}

.apc-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.apc-footer-links li {
  margin-bottom: 0.6rem;
}

.apc-footer-links a {
  color: var(--apc-gray-400);
  font-size: 0.875rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.apc-footer-links a:hover {
  color: var(--apc-white);
  padding-left: 4px;
}

.apc-footer-description {
  color: var(--apc-gray-500);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.apc-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--apc-gray-400);
  margin-right: 0.5rem;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.apc-footer-social a:hover {
  background: var(--apc-primary);
  color: white;
  transform: translateY(-2px);
}

.apc-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  margin-top: 3rem;
}

.apc-footer-bottom p {
  margin: 0;
  font-size: 0.825rem;
  color: var(--apc-gray-500);
}

/* --------------------------------------------------------------------------
   9. Breadcrumb (Article Page)
   -------------------------------------------------------------------------- */
.apc-breadcrumb-section {
  background: var(--apc-white);
  border-bottom: 1px solid var(--apc-gray-200);
  padding: 0.85rem 0;
}

.apc-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
}

.apc-breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--apc-gray-500);
}

.apc-breadcrumb li a {
  color: var(--apc-gray-500);
  transition: color var(--transition-fast);
}

.apc-breadcrumb li a:hover {
  color: var(--apc-primary);
}

.apc-breadcrumb li.active {
  color: var(--apc-primary);
  font-weight: 500;
}

.apc-breadcrumb .separator {
  color: var(--apc-gray-300);
  font-size: 0.7rem;
}

/* --------------------------------------------------------------------------
   10. Article Content Area
   -------------------------------------------------------------------------- */
.apc-article-header {
  padding: 2.5rem 0 2rem;
}

.apc-article-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--apc-primary-50);
  color: var(--apc-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.apc-article-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--apc-gray-900);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 1.15rem;
}

.apc-article-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--apc-gray-500);
}

.apc-article-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.apc-article-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.apc-article-author-name {
  font-weight: 600;
  color: var(--apc-gray-800);
}

/* Article Typography */
.apc-article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--apc-gray-700);
}

.apc-article-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--apc-gray-100);
  letter-spacing: -0.01em;
}

.apc-article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--apc-gray-800);
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.apc-article-content p {
  margin-bottom: 1.35rem;
}

.apc-article-content ul,
.apc-article-content ol {
  margin-bottom: 1.35rem;
  padding-left: 1.5rem;
}

.apc-article-content li {
  margin-bottom: 0.4rem;
}

.apc-article-content a {
  color: var(--apc-primary);
  text-decoration: underline;
  text-decoration-color: var(--apc-primary-200);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.apc-article-content a:hover {
  text-decoration-color: var(--apc-primary);
}

/* Code Blocks */
.apc-article-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--apc-primary-50);
  color: var(--apc-primary-dark);
  padding: 0.15em 0.45em;
  border-radius: var(--radius-sm);
}

.apc-article-content pre {
  background: var(--apc-gray-900);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.7;
  border: 1px solid var(--apc-gray-800);
  position: relative;
}

.apc-article-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.06);
  margin: -1.5rem -1.5rem 1rem -1.5rem;
  padding: 0.6rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: 0.8rem;
  color: var(--apc-gray-400);
}

.code-block-header .lang {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.btn-copy-code {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--apc-gray-400);
  font-size: 0.78rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.btn-copy-code:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

/* Blockquotes */
.apc-article-content blockquote {
  border-left: 4px solid var(--apc-primary-light);
  background: var(--apc-primary-50);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--apc-gray-600);
}

.apc-article-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Info/Tip Boxes */
.apc-info-box {
  display: flex;
  gap: 0.85rem;
  padding: 1.15rem 1.35rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.apc-info-box.info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.apc-info-box.tip {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.apc-info-box.warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.apc-info-box .info-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* --------------------------------------------------------------------------
   11. Sidebar
   -------------------------------------------------------------------------- */
.apc-sidebar-card {
  background: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.apc-sidebar-card h6 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.apc-sidebar-card h6 .bi {
  color: var(--apc-primary);
}

/* Table of Contents */
.apc-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.apc-toc-list li {
  margin-bottom: 0.15rem;
}

.apc-toc-list li a {
  display: block;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  color: var(--apc-gray-600);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}

.apc-toc-list li a:hover,
.apc-toc-list li a.active {
  background: var(--apc-primary-50);
  color: var(--apc-primary);
  border-left-color: var(--apc-primary);
}

.apc-toc-list li.toc-h3 a {
  padding-left: 1.5rem;
  font-size: 0.82rem;
}

/* Related Articles */
.apc-related-item {
  display: flex;
  gap: 0.85rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--apc-gray-100);
}

.apc-related-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.apc-related-item img {
  width: 72px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.apc-related-item h6 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--apc-gray-800);
  margin-bottom: 0.2rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.apc-related-item h6 a {
  color: inherit;
}

.apc-related-item h6 a:hover {
  color: var(--apc-primary);
}

.apc-related-item small {
  color: var(--apc-gray-400);
  font-size: 0.78rem;
}

/* Categories List */
.apc-cat-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.apc-cat-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  font-size: 0.88rem;
  color: var(--apc-gray-600);
  border-bottom: 1px solid var(--apc-gray-100);
  transition: color var(--transition-fast);
}

.apc-cat-list li:last-child a {
  border-bottom: none;
}

.apc-cat-list li a:hover {
  color: var(--apc-primary);
}

.apc-cat-list li a .count {
  background: var(--apc-gray-100);
  color: var(--apc-gray-500);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.apc-cat-list li a:hover .count {
  background: var(--apc-primary-50);
  color: var(--apc-primary);
}

/* --------------------------------------------------------------------------
   12. Scroll-to-Top Button
   -------------------------------------------------------------------------- */
.apc-scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--apc-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  cursor: pointer;
  z-index: 999;
}

.apc-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.apc-scroll-top:hover {
  background: var(--apc-primary-dark);
  transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   13. Animations (Scroll Reveal)
   -------------------------------------------------------------------------- */
.apc-reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.apc-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   14. Responsive Overrides
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .apc-hero h1 {
    font-size: 2.5rem;
  }

  .apc-hero-stats {
    gap: 1.5rem;
  }

  .apc-hero-code-card {
    display: none;
  }

  .apc-section-title {
    font-size: 1.85rem;
  }

  .apc-article-title {
    font-size: 2rem;
  }

  .dropdown-submenu > .dropdown-menu {
    left: 0;
    top: 100%;
    margin-left: 0;
  }

  .apc-search-wrapper {
    max-width: 100%;
    margin-top: 0.75rem;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-py: 3.5rem;
  }

  .apc-hero {
    padding: 4rem 0 3.5rem;
  }

  .apc-hero h1 {
    font-size: 2rem;
  }

  .apc-hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .apc-newsletter {
    padding: 2.5rem 1.75rem;
    text-align: center;
  }

  .apc-newsletter .input-group {
    margin: 0 auto;
    flex-direction: column;
    gap: 0.5rem;
  }

  .apc-newsletter .btn {
    margin-left: 0;
    width: 100%;
  }

  .apc-article-title {
    font-size: 1.65rem;
  }

  .apc-article-content {
    font-size: 1rem;
  }

  .apc-float-badge {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   15. Utility Classes
   -------------------------------------------------------------------------- */
.text-gradient {
  background: linear-gradient(135deg, var(--apc-primary), var(--apc-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider {
  height: 1px;
  background: var(--apc-gray-200);
  border: none;
  margin: 0;
}

/* Placeholder images - SVG patterns for demo */
.placeholder-img {
  background: linear-gradient(135deg, var(--apc-gray-100), var(--apc-gray-200));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--apc-gray-400);
  font-size: 2rem;
}

/* --------------------------------------------------------------------------
   17. Cours Programmation (Tech Cards & Sidebar)
   -------------------------------------------------------------------------- */

/* — Tech Cards — */
.apc-tech-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-smooth);
  border: 1px solid var(--apc-gray-100);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.apc-tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
}

.apc-tech-icon {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--apc-primary-50);
  color: var(--apc-primary);
  font-size: 1.8rem;
  border-radius: 16px;
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
  overflow: hidden;
}

.apc-tech-icon img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.apc-tech-card:hover .apc-tech-icon {
  background-color: rgba(245, 158, 11, 0.15); /* Elegant gold tint */
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.apc-tech-card:hover .apc-tech-icon img {
  transform: scale(1.15);
}

.apc-tech-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-bottom: 0.5rem;
}

.apc-tech-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--apc-gray-100);
  color: var(--apc-gray-600);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.apc-tech-btn {
  margin-top: auto;
  color: var(--apc-accent-dark);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.apc-tech-btn:hover {
  color: var(--apc-primary);
  gap: 0.6rem;
}

/* — Category List Sidebar (Cours) — */
.apc-cat-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.apc-cat-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  background-color: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: 8px;
  color: var(--apc-gray-700);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.apc-cat-list-item:hover {
  background-color: var(--apc-primary-50);
  color: var(--apc-primary);
  border-color: var(--apc-primary-100);
  transform: translateX(4px);
}

.apc-cat-count {
  background-color: var(--apc-gray-100);
  color: var(--apc-gray-600);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.apc-cat-list-item:hover .apc-cat-count {
  background-color: white;
  color: var(--apc-primary);
}

/* — Scrollable cat-list with premium scrollbar — */
.apc-cat-list {
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--apc-gold) var(--apc-gray-100);
}

.apc-cat-list::-webkit-scrollbar {
  width: 5px;
}

.apc-cat-list::-webkit-scrollbar-track {
  background: var(--apc-gray-100);
  border-radius: 10px;
}

.apc-cat-list::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--apc-gold), var(--apc-primary));
  border-radius: 10px;
}

.apc-cat-list::-webkit-scrollbar-thumb:hover {
  background: var(--apc-primary);
}

/* --------------------------------------------------------------------------
   16. Programming Hero — Premium Asymmetric
   -------------------------------------------------------------------------- */

/* ─── Section base ─────────────────────────────────────────────────────── */
.apc-prog-hero {
  position: relative;
  background-color: #091b33 !important;
  background-image: 
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 16px) !important;
  padding: 11rem 0 6rem;
  overflow: hidden;
  color: #fff;
}

/* ─── Grid dot texture ──────────────────────────────────────────────────── */
.apc-prog-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ─── Radial glow orbs ──────────────────────────────────────────────────── */
.apc-prog-hero__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(72px);
}

.apc-prog-hero__orb.orb-1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(245,158,11,0.18) 0%, transparent 70%);
  top: -180px;
  right: 5%;
}

.apc-prog-hero__orb.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(44,82,130,0.45) 0%, transparent 70%);
  bottom: -120px;
  left: -60px;
}

/* ─── Breadcrumb ────────────────────────────────────────────────────────── */
.apc-prog-breadcrumb {
  list-style: none;
  padding: 0;
  margin: 0 0 1.4rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  position: relative;
  z-index: 1;
}

.apc-prog-breadcrumb li {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.apc-prog-breadcrumb li a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.apc-prog-breadcrumb li a:hover { color: var(--apc-accent); }
.apc-prog-breadcrumb li.active { color: var(--apc-accent); font-weight: 600; }

/* ─── Eyebrow label ─────────────────────────────────────────────────────── */
.apc-prog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.35);
  color: var(--apc-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.4rem;
  position: relative;
  z-index: 1;
}

/* ─── H1 Title ──────────────────────────────────────────────────────────── */
.apc-prog-hero__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 1;
  color: #fff;
}

.apc-prog-hero__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.55em;
  color: var(--apc-accent);
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 0.2em 0.55em;
  border-radius: 6px;
  vertical-align: middle;
  margin-right: 0.3em;
  letter-spacing: 0;
}

.apc-prog-hero__highlight {
  background: linear-gradient(135deg, var(--apc-accent) 0%, #FBBF24 60%, #FDE68A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Description ───────────────────────────────────────────────────────── */
.apc-prog-hero__desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.72);
  max-width: 540px;
  margin-bottom: 1.8rem;
  position: relative;
  z-index: 1;
}

/* ─── Meta Pills ────────────────────────────────────────────────────────── */
.apc-prog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.apc-prog-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.apc-prog-pill i {
  color: var(--apc-accent);
  font-size: 0.9rem;
}

.apc-prog-pill:hover {
  background: rgba(245,158,11,0.15);
  border-color: rgba(245,158,11,0.4);
  color: #fff;
}

/* ─── CTAs ──────────────────────────────────────────────────────────────── */
.apc-prog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.apc-prog-cta-primary {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--apc-accent) 0%, #D97706 100%);
  color: var(--apc-primary-dark);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
  transition: all var(--transition-base);
}

.apc-prog-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,158,11,0.55);
  color: var(--apc-primary-dark);
}

.apc-prog-cta-ghost {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: all var(--transition-base);
}

.apc-prog-cta-ghost:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.45);
  color: #fff;
  transform: translateY(-2px);
}

/* ─── Right Column — Visual Wrapper ─────────────────────────────────────── */
.apc-prog-visual {
  position: relative;
  z-index: 1;
  animation: progHeroFloat 5s ease-in-out infinite;
}

@keyframes progHeroFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

/* ─── Code Window (Glassmorphism) ───────────────────────────────────────── */
.apc-code-window {
  background: rgba(10, 25, 47, 0.82);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 24px 60px rgba(0,0,0,0.5),
    0 0 80px rgba(245,158,11,0.08);
}

.apc-code-window__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.2rem;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.apc-code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green  { background: #28C840; }

.apc-code-window__filename {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
}

.apc-code-window__body {
  padding: 1.4rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.9;
}

/* ─── Syntax Colors ─────────────────────────────────────────────────────── */
.apc-cl   { display: block; color: rgba(255,255,255,0.75); }
.cl-kw    { color: #C678DD; }   /* purple  — keywords   */
.cl-fn    { color: #61AFEF; }   /* blue    — functions  */
.cl-var   { color: #E06C75; }   /* red     — variables  */
.cl-str   { color: #98C379; }   /* green   — strings    */
.cl-cm    { color: #5C6370; font-style: italic; }  /* grey — comments */
.cl-op    { color: #ABB2BF; }   /* light   — operators  */
.cl-num   { color: #D19A66; }   /* orange  — numbers    */

/* ─── Blinking cursor ───────────────────────────────────────────────────── */
.apc-cl--cursor::after {
  content: '|';
  color: var(--apc-accent);
  animation: cursorBlink 1.1s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─── Floating Tech Tags ────────────────────────────────────────────────── */
.apc-prog-float-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 2;
  white-space: nowrap;
}

.apc-prog-float-tag img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
}

.apc-prog-float-tag.tag-a {
  top: -22px;
  left: 10%;
  animation: floatA 4s ease-in-out infinite;
}

.apc-prog-float-tag.tag-b {
  bottom: -18px;
  right: 5%;
  animation: floatB 4.5s ease-in-out infinite;
}

.apc-prog-float-tag.tag-c {
  top: 35%;
  right: -30px;
  animation: floatC 3.8s ease-in-out infinite;
}

.apc-prog-float-tag.tag-d {
  bottom: 22%;
  left: -35px;
  animation: floatA 5s ease-in-out infinite reverse;
}

@keyframes floatA {
  0%, 100% { transform: translateY(0)    rotate(-1deg); }
  50%       { transform: translateY(-10px) rotate(1deg); }
}

@keyframes floatB {
  0%, 100% { transform: translateY(0)    rotate(1.5deg); }
  50%       { transform: translateY(-8px) rotate(-1.5deg); }
}

@keyframes floatC {
  0%, 100% { transform: translateX(0)    rotate(-1deg); }
  50%       { transform: translateX(8px)  rotate(1deg); }
}

/* ─── SVG Wave Divider ──────────────────────────────────────────────────── */
.apc-prog-hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
  z-index: 2;
}

.apc-prog-hero__wave svg {
  width: 100%;
  height: 80px;
  display: block;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .apc-prog-hero {
    padding: 9rem 0 4rem;
    text-align: center;
  }

  .apc-prog-breadcrumb,
  .apc-prog-meta,
  .apc-prog-hero__actions {
    justify-content: center;
  }

  .apc-prog-hero__desc {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 575.98px) {
  .apc-prog-hero__title {
    font-size: 2rem;
  }

  .apc-prog-cta-primary,
  .apc-prog-cta-ghost {
    width: 100%;
    justify-content: center;
  }
}

/* ─── Legacy .apc-category-hero (other pages) ──────────────────────────── */
.apc-category-hero {
  background-color: var(--apc-primary-dark);
  padding: 10rem 0 3.5rem;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.apc-category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 70%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(26, 54, 93, 0.3) 0%, transparent 50%);
  pointer-events: none;
}
.apc-category-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  position: relative;
}

.apc-category-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* — Category Breadcrumb — */
.apc-category-hero .apc-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem auto 0;
  font-size: 0.875rem;
  position: relative;
}

.apc-category-hero .apc-breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.apc-category-hero .apc-breadcrumb a:hover {
  color: var(--apc-accent);
}

.apc-category-hero .apc-breadcrumb .separator {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.7rem;
}

.apc-category-hero .apc-breadcrumb .active {
  color: var(--apc-accent-light);
  font-weight: 600;
}

/* — Resource Card (Category Content) — */
.apc-resource-card {
  background: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.apc-resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.apc-resource-card-icon {
  background-color: var(--apc-primary-50);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--apc-primary);
}

.apc-resource-card-body {
  padding: 1.25rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.apc-resource-card-body h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.apc-resource-card-body h5 a {
  color: inherit;
  text-decoration: none;
}

.apc-resource-card-body h5 a:hover {
  color: var(--apc-primary);
}

.apc-resource-card-meta {
  font-size: 0.8rem;
  color: var(--apc-gray-500);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.apc-resource-card-excerpt {
  font-size: 0.875rem;
  color: var(--apc-gray-500);
  line-height: 1.65;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.apc-resource-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--apc-gray-100);
}

/* Download / Read Button */
.btn-apc-download {
  background-color: var(--apc-accent);
  color: #111827;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-apc-download:hover {
  background-color: var(--apc-accent-dark);
  color: white;
  transform: translateY(-1px);
}

.btn-apc-read {
  color: var(--apc-primary);
  font-weight: 600;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.btn-apc-read:hover {
  gap: 0.55rem;
  color: var(--apc-accent-dark);
}

/* — Sidebar (Category Page) — */
.apc-sidebar-search .form-control {
  border: 1.5px solid var(--apc-gray-200);
  border-radius: 8px;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.apc-sidebar-search .form-control:focus {
  border-color: var(--apc-primary);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
  outline: none;
}

.apc-sidebar-search .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--apc-gray-400);
  pointer-events: none;
}

.apc-sidebar-widget {
  background: var(--apc-white);
  border: 1px solid var(--apc-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.apc-sidebar-widget h6 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--apc-gray-900);
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--apc-primary-50);
}

/* Category Badge Links */
.apc-badge-link {
  display: inline-block;
  background-color: var(--apc-primary-50);
  color: var(--apc-primary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
  margin: 0.2rem;
}

.apc-badge-link:hover {
  background-color: var(--apc-primary);
  color: white;
  transform: translateY(-1px);
}

.apc-badge-link.active {
  background-color: var(--apc-accent);
  color: #111827;
}

/* Results count */
.apc-results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--apc-gray-200);
}

.apc-results-bar span {
  color: var(--apc-gray-500);
  font-size: 0.9rem;
}

.apc-results-bar .results-count {
  font-weight: 600;
  color: var(--apc-primary);
}


/* --- Hover for main dropdowns on desktop --- */
@media (min-width: 992px) {
  .apc-navbar .nav-item.dropdown:hover > .dropdown-menu {
    display: block;
    margin-top: 0; /* Ensures smooth hover transition */
  }
}

/* Styling for old content lists and tables */
.wp-content table {
    width: 100%;
    margin-bottom: 1.5rem;
}

.wp-content div[style*='font-weight: 900'],
.wp-content div[style*='font-size: 26px'] {
    background: white;
    padding: 15px 20px !important;
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border-right: 4px solid var(--apc-primary);
    transition: all 0.3s ease;
    text-align: right !important;
}

.wp-content div[style*='font-weight: 900']:hover,
.wp-content div[style*='font-size: 26px']:hover {
    transform: translateX(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}

.wp-content div[style*='font-weight: 900'] a,
.wp-content div[style*='font-size: 26px'] a {
    color: var(--apc-gray-800) !important;
    text-decoration: none !important;
    font-size: 1.1rem;
    display: block;
}

.wp-content div[style*='font-weight: 900'] a:hover,
.wp-content div[style*='font-size: 26px'] a:hover {
    color: var(--apc-primary) !important;
}

/* --------------------------------------------------------------------------
   parsed-content fixes for WordPress/Elementor raw HTML
   -------------------------------------------------------------------------- */

/* Hide duplicated WordPress h2 titles since we already display a hero title */
.parsed-content center h2 {
    display: none;
}

/*
.parsed-content .col-lg-6 {
    display: inline-block;
    width: 48.5%;
    vertical-align: top;
    margin-bottom: 1.5rem;
}
.parsed-content .col-lg-6:nth-child(even) {
    margin-left: 1%;
}
.parsed-content .col-lg-6:nth-child(odd) {
    margin-right: 1%;
}
@media (max-width: 991px) {
    .parsed-content .col-lg-6 {
        display: block;
        width: 100%;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}
*/

/* Make Bootstrap cards inside parsed-content look like the old WordPress theme */
.parsed-content .card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    height: 100%; /* Ensure cards in a row have same height */
}
.parsed-content .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}
.parsed-content .card-img-top {
    height: 180px;
    object-fit: cover;
    width: 100%;
}
.parsed-content .card-title {
    font-weight: 700;
    color: var(--apc-gray-900);
}
.parsed-content .card-body {
    display: flex;
    flex-direction: column;
}
.parsed-content .card-body .btn {
    margin-top: auto; /* Push button to the bottom */
}
.parsed-content .btn-primary {
    color: #ffffff !important;
}

/* WordPress native image alignments */
.parsed-content img.alignleft {
    float: left;
    margin: 0.5rem 1.5rem 1rem 0;
    border-radius: 8px;
    max-width: 100%;
}
.parsed-content img.alignright {
    float: right;
    margin: 0.5rem 0 1rem 1.5rem;
    border-radius: 8px;
    max-width: 100%;
}
.parsed-content img.aligncenter {
    display: block;
    margin: 1rem auto;
    border-radius: 8px;
    max-width: 100%;
}

/* -----------------------------------------
   Old Site Bottom Navigation Buttons (Orange)
   ----------------------------------------- */
.parsed-content .btn-outline.btn-primary {
    background-color: #f39c12 !important; /* Beautiful flat orange */
    color: #ffffff !important;
    border: none !important;
    border-radius: 6px;
    font-weight: 700;
    padding: 14px 24px;
    box-shadow: 0 4px 10px rgba(243, 156, 18, 0.25);
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parsed-content .btn-outline.btn-primary:hover {
    background-color: #e67e22 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(243, 156, 18, 0.35);
}

.parsed-content .btn-outline.btn-primary i {
    margin: 0 8px;
}

/* Fallback for BS4 btn-block in BS5 */
.parsed-content .btn-block {
    display: block;
    width: 100%;
}

/* -----------------------------------------
   APC Accordion Links Styling 
   ----------------------------------------- */
.apc-accordion .accordion-body {
    padding: 0; /* Remove default padding for edge-to-edge items */
}

/* Reset headings and lists inside accordion body to avoid huge gaps */
.apc-accordion .accordion-body h3,
.apc-accordion .accordion-body h4,
.apc-accordion .accordion-body h5,
.apc-accordion .accordion-body h6,
.apc-accordion .accordion-body ul,
.apc-accordion .accordion-body ol {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 1rem;
}

.apc-accordion .accordion-body li {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Style links as beautiful clickable rows */
.apc-accordion .accordion-body a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--apc-gray-700) !important;
    text-decoration: none !important;
    border-bottom: 1px solid #f1f5f9;
    transition: all 0.25s ease-in-out;
    font-size: 1rem;
    font-weight: 500;
}

.apc-accordion .accordion-body a:last-child {
    border-bottom: none;
}

/* Hover effect */
.apc-accordion .accordion-body a:hover {
    background-color: #f8fafc;
    color: var(--apc-primary) !important;
    padding-left: 2rem; /* Indent slightly on hover for dynamic feel */
}

/* Add an elegant chevron icon before the link */
.apc-accordion .accordion-body a::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%233b82f6'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M9 5l7 7-7 7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    flex-shrink: 0;
    transition: transform 0.25s ease-in-out;
}

/* Animate the chevron slightly on hover */
.apc-accordion .accordion-body a:hover::before {
    transform: translateX(4px);
}


/* --------------------------------------------------------------------------
   parsed-content Titles (Custom Design requested by teacher)
   -------------------------------------------------------------------------- */
.parsed-content {
  counter-reset: parsed-title;
}

.parsed-content ol {
  list-style: none !important;
  padding-left: 0;
}

.parsed-content h2 {
  counter-increment: parsed-title;
  color: #00cbf0 !important;
  font-weight: 800;
  border-bottom: 1px dashed #00cbf0;
  padding-bottom: 12px;
  margin-top: 40px;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.75rem;
}

.parsed-content h2::before {
  content: counter(parsed-title);
  background-color: #00cbf0;
  color: #ffffff;
  min-width: 50px;
  height: 34px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: normal;
  font-family: "Roboto Slab", "Zilla Slab", Georgia, serif;
}

.parsed-content ul {
  list-style-type: none !important;
  padding-left: 0;
}

.parsed-content ul li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: #4b5563;
  line-height: 1.7;
}

.parsed-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  border: 2px solid #8892b0;
  border-radius: 50%;
  background: transparent;
}

/* Details and Summary (e.g. Code toggle blocks) */
.parsed-content details {
  margin-bottom: 1.5rem;
}

.parsed-content details > summary {
  color: #00cbf0 !important;
  font-weight: bold;
  font-size: 1.2rem;
  font-family: "Roboto", "Helvetica Neue", Arial, sans-serif;
  cursor: pointer;
  margin-bottom: 10px;
  outline: none;
  list-style: none;
}

.parsed-content details > summary::-webkit-details-marker {
  display: none;
}

.parsed-content details > summary::before {
  content: "▶";
  font-size: 1.6rem;
  margin-right: 12px;
  vertical-align: middle;
  color: inherit;
}

.parsed-content details[open] > summary {
  color: #000000 !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: 10px;
}

.parsed-content details[open] > summary::before {
  content: "▼";
}

/* Custom Logo Styling (Overlapping header and hero section) */
.apc-navbar {
  position: relative;
  z-index: 100;
}

.apc-logo {
  position: relative;
  display: block;
  width: 115px;
  height: 40px;
  transition: all 0.4s ease;
}

.apc-logo-img {
  position: absolute;
  top: -10px;
  left: 0;
  height: 115px;
  max-width: none;
  z-index: 1050;
  filter: drop-shadow(0 8px 25px rgba(255, 182, 6, 0.6));
  transition: all 0.4s ease;
}

.apc-logo-img:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 12px 30px rgba(255, 182, 6, 0.8));
}

/* --- Dynamic Scrolled Header State --- */
.is-scrolled .apc-logo {
  width: 60px;
  height: auto;
}

.is-scrolled .apc-logo-img {
  position: relative;
  top: 0;
  height: 60px;
  filter: drop-shadow(0 4px 10px rgba(255, 182, 6, 0.3));
}

.is-scrolled .apc-topbar {
  display: none !important;
}

/* ==========================================================================
   Modern Details and Summary Styling
   ========================================================================== */
details {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

details:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    border-color: #dee2e6;
}

details[open] {
    background-color: #ffffff;
    border-color: #dee2e6;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

summary {
    font-weight: 600;
    color: #1a202c;
    cursor: pointer;
    list-style: none; /* Hide default arrow in standard browsers */
    position: relative;
    padding: 4px 24px 4px 0;
    outline: none;
    user-select: none;
}

/* Hide default arrow for Safari/WebKit */
summary::-webkit-details-marker {
    display: none;
}

/* Custom animated arrow */
summary::after {
    content: "▼";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
    color: #718096;
    font-size: 0.85em;
}

details[open] summary::after {
    transform: translateY(-50%) rotate(180deg);
}

details[open] summary {
    color: #2b6cb0;
    border-bottom: 1px solid #edf2f7;
    padding-bottom: 12px;
    margin-bottom: 12px;
}

details p:last-child, 
details ul:last-child, 
details pre:last-child {
    margin-bottom: 0;
}

details pre {
    border-radius: 6px;
}