/* ==========================================================================
   UPSKILL ACADEMY — CORE DESIGN SYSTEM & STYLESHEET
   Aesthetic: Editorial, Authoritative, Modern, Human (Executive Academy)
   CSS Architecture: Modern CSS Reset, Custom Properties, Logical Properties (RTL-Ready)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Strict Brand Colors */
  --color-primary-black: #0A0A0A;
  --color-primary-dark: #121212;
  --color-primary-card-dark: #181818;
  
  --color-burgundy: #700019;
  --color-burgundy-hover: #540013;
  --color-burgundy-deep: #3D000E;
  --color-burgundy-subtle: rgba(112, 0, 25, 0.06);
  --color-burgundy-border: rgba(112, 0, 25, 0.18);
  
  --color-accent-gold: #C8952E;
  --color-accent-gold-hover: #AF7F22;
  --color-accent-gold-light: rgba(200, 149, 46, 0.12);
  --color-accent-gold-border: rgba(200, 149, 46, 0.28);
  
  --color-bg: #FCFBF8;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  --color-surface-subtle: #F6F4EE;
  
  --color-border: #EAE6DF;
  --color-border-hover: #D4CEBF;
  --color-border-dark: #262626;

  --color-text-main: #0A0A0A;
  --color-text-muted: #52504C;
  --color-text-light: #7E7B74;
  --color-text-inverse: #FCFBF8;
  --color-text-inverse-muted: #B5B2A8;

  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-arabic: 'Cairo', 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Fluid Clamp Typography */
  --text-xs: clamp(0.75rem, 0.2vw + 0.7rem, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.3vw + 0.8rem, 0.9375rem);
  --text-base: clamp(1rem, 0.35vw + 0.9rem, 1.0625rem);
  --text-lg: clamp(1.125rem, 0.5vw + 1rem, 1.25rem);
  --text-xl: clamp(1.25rem, 0.8vw + 1.05rem, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2vw + 1.2rem, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.8vw + 1.4rem, 2.375rem);
  --text-4xl: clamp(2.25rem, 2.5vw + 1.6rem, 3.125rem);
  --text-display: clamp(2.75rem, 4.5vw + 1.6rem, 4.25rem);

  /* Spacing Scale (8pt System) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Structural Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 10, 10, 0.04), 0 1px 2px rgba(10, 10, 10, 0.02);
  --shadow-md: 0 4px 12px rgba(10, 10, 10, 0.05), 0 2px 4px rgba(10, 10, 10, 0.02);
  --shadow-lg: 0 12px 32px rgba(10, 10, 10, 0.08), 0 4px 8px rgba(10, 10, 10, 0.03);
  --shadow-burgundy: 0 8px 24px rgba(112, 0, 25, 0.22);
  --shadow-card-hover: 0 16px 36px rgba(10, 10, 10, 0.09), 0 4px 10px rgba(10, 10, 10, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 380ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout Containers */
  --container-max: 1200px;
  --container-narrow: 860px;
  --container-wide: 1320px;
  --header-height: 80px;
}

/* --------------------------------------------------------------------------
   2. MODERN CSS RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

/* Arabic & RTL Language Adaptations */
html[lang="ar"], html[dir="rtl"] {
  font-family: var(--font-arabic);
}

html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4, html[lang="ar"] h5, html[lang="ar"] h6 {
  letter-spacing: normal;
  line-height: 1.35;
}

html[lang="ar"] .eyebrow,
html[lang="ar"] .badge-pill,
html[lang="ar"] .accordion-tag,
html[lang="ar"] .manifesto-attribution {
  letter-spacing: normal;
}

html[dir="rtl"] .btn svg {
  transform: scaleX(-1);
}

html[dir="rtl"] .btn:hover svg {
  transform: scaleX(-1) translateX(-3px);
}

/* Language Switcher Badge */
.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding-block: 0.35rem;
  padding-inline: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.lang-switch-btn:hover {
  border-color: var(--color-burgundy);
  color: var(--color-burgundy);
  background-color: var(--color-surface-subtle);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--color-bg);
}

body.nav-locked {
  overflow: hidden;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-burgundy);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY SYSTEM
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.display-title {
  font-size: var(--text-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.page-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.015em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-burgundy);
  margin-block-end: var(--space-3);
}

.eyebrow-gold {
  color: var(--color-accent-gold);
}

.lead-text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-weight: 400;
  line-height: 1.65;
  max-width: 68ch;
}

/* Directional subtle accent rule */
.accent-line {
  width: 48px;
  height: 3px;
  background-color: var(--color-accent-gold);
  border-radius: var(--radius-full);
  margin-block: var(--space-4);
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTAINERS (CSS LOGICAL PROPERTIES)
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section-spacing {
  padding-block: var(--space-20);
}

.section-spacing-lg {
  padding-block: var(--space-24);
}

.section-spacing-sm {
  padding-block: var(--space-12);
}

/* --------------------------------------------------------------------------
   5. COMPONENT SYSTEM: BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-block: 0.85rem;
  padding-inline: 1.65rem;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  text-decoration: none;
}

.btn svg {
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Primary Button: #700019 */
.btn-primary {
  background-color: var(--color-burgundy);
  color: #FFFFFF;
  border-color: var(--color-burgundy);
  box-shadow: 0 4px 14px rgba(112, 0, 25, 0.16);
}

.btn-primary:hover {
  background-color: var(--color-burgundy-hover);
  border-color: var(--color-burgundy-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-burgundy);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button: Outlined Black */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-black);
  border-color: var(--color-primary-black);
}

.btn-secondary:hover {
  background-color: var(--color-primary-black);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* White Button (Used on dark burgundy/black surfaces) */
.btn-white {
  background-color: #FFFFFF;
  color: var(--color-burgundy);
  border-color: #FFFFFF;
  font-weight: 700;
}

.btn-white:hover {
  background-color: var(--color-surface-subtle);
  border-color: var(--color-surface-subtle);
  color: var(--color-burgundy-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* White Outlined Button */
.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Small Button Variant */
.btn-sm {
  padding-block: 0.55rem;
  padding-inline: 1.15rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding-block: 1.05rem;
  padding-inline: 2.15rem;
  font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   6. COMPONENT SYSTEM: BADGES & LABELS
   -------------------------------------------------------------------------- */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-1);
  padding-inline: var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-black);
  box-shadow: var(--shadow-sm);
}

.badge-status::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding-block: 0.25rem;
  padding-inline: 0.65rem;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.badge-burgundy {
  background-color: var(--color-burgundy-subtle);
  border-color: var(--color-burgundy-border);
  color: var(--color-burgundy);
}

.badge-gold {
  background-color: var(--color-accent-gold-light);
  border-color: var(--color-accent-gold-border);
  color: var(--color-accent-gold);
}

/* --------------------------------------------------------------------------
   7. NAVIGATION & SITE HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: var(--header-height);
  background-color: rgba(252, 251, 248, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-block-end: 1px solid var(--color-border);
  z-index: 100;
  transition: all var(--transition-base);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  border-block-end-color: #DCD6CA;
  box-shadow: 0 4px 20px rgba(10, 10, 10, 0.04);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.03);
}

.brand-wordmark {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-primary-black);
  line-height: 1;
  text-transform: uppercase;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-burgundy);
}

.nav-link.active {
  color: var(--color-burgundy);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-burgundy);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mobile Menu Button */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-primary-black);
}

.mobile-nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  inset-inline: 0;
  background-color: var(--color-surface);
  border-block-end: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-slow), opacity var(--transition-base);
  z-index: 99;
  box-shadow: var(--shadow-lg);
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer .nav-link {
  font-size: var(--text-lg);
  padding-block: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.mobile-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 10, 10, 0.4);
  backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   8. HERO SECTION COMPONENTS
   -------------------------------------------------------------------------- */
.hero-section {
  padding-block-start: var(--space-16);
  padding-block-end: var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-block-start: var(--space-8);
}

/* Metric Panel Visual */
.hero-metric-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-metric-panel::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 10%;
  inset-inline-end: 10%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-burgundy), var(--color-accent-gold), transparent);
}

.metric-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-block-end: 1px solid var(--color-border);
  padding-block-end: var(--space-4);
}

.metric-stats-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.metric-stat-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.metric-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-burgundy-subtle);
  border: 1px solid var(--color-burgundy-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-burgundy);
  flex-shrink: 0;
}

.metric-stat-num {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary-black);
  line-height: 1.2;
}

.metric-stat-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   9. BRAND MANIFESTO BANNER (DARK THEME ACCENT)
   -------------------------------------------------------------------------- */
.manifesto-banner {
  background-color: var(--color-primary-black);
  color: var(--color-text-inverse);
  padding-block: var(--space-16);
  position: relative;
  border-block: 1px solid var(--color-border-dark);
}

.manifesto-content {
  text-align: center;
  max-width: 920px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.manifesto-quote {
  font-size: clamp(1.35rem, 2.2vw + 0.6rem, 2.15rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin-block: var(--space-6);
  font-style: normal;
  position: relative;
}

.manifesto-quote mark {
  background: transparent;
  color: var(--color-accent-gold);
  font-weight: 700;
}

.manifesto-attribution {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   10. WHY UPSKILL: 4 STRATEGIC PILLARS
   -------------------------------------------------------------------------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-block-start: var(--space-12);
}

.pillar-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-burgundy-border);
  box-shadow: var(--shadow-card-hover);
}

.pillar-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-burgundy);
  letter-spacing: -0.03em;
  margin-block-end: var(--space-2);
}

.pillar-line {
  width: 32px;
  height: 2px;
  background-color: var(--color-accent-gold);
  margin-block-end: var(--space-5);
}

.pillar-card h3 {
  font-size: var(--text-lg);
  margin-block-end: var(--space-3);
  font-weight: 700;
}

.pillar-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   11. FEATURED FLAGSHIP TRACK CARD
   -------------------------------------------------------------------------- */
.flagship-featured-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-block-start: var(--space-12);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  transition: border-color var(--transition-base);
}

.flagship-featured-card:hover {
  border-color: var(--color-burgundy-border);
}

.flagship-card-main {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.flagship-card-sidebar {
  background-color: var(--color-surface-subtle);
  border-inline-start: 1px solid var(--color-border);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.flagship-highlights-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-block: var(--space-6);
}

.flagship-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-main);
  font-weight: 500;
}

.flagship-highlight-item svg {
  color: var(--color-burgundy);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   12. CONVERSION CTA BANNER
   -------------------------------------------------------------------------- */
.conversion-banner {
  background: linear-gradient(145deg, #700019 0%, #4D0011 100%);
  color: #FFFFFF;
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.conversion-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle at 50% 30%, rgba(200, 149, 46, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.conversion-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.conversion-title {
  color: #FFFFFF;
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-block-end: var(--space-4);
  letter-spacing: -0.02em;
}

.conversion-subtitle {
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--text-base);
  margin-block-end: var(--space-8);
  max-width: 60ch;
  line-height: 1.6;
}

.conversion-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   13. INSTITUTIONAL FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-black);
  color: var(--color-text-inverse);
  padding-block-start: var(--space-20);
  padding-block-end: var(--space-10);
  border-block-start: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  margin-block-end: var(--space-16);
}

.footer-brand p {
  color: var(--color-text-inverse-muted);
  font-size: var(--text-sm);
  margin-block-start: var(--space-4);
  max-width: 38ch;
  line-height: 1.6;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-block-end: var(--space-5);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-list a {
  color: var(--color-text-inverse-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: #FFFFFF;
}

.footer-admissions-box {
  background-color: var(--color-primary-card-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.footer-admissions-box p {
  font-size: var(--text-xs);
  color: var(--color-text-inverse-muted);
  line-height: 1.5;
  margin-block-end: var(--space-3);
}

.footer-bottom {
  border-block-start: 1px solid var(--color-border-dark);
  padding-block-start: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-inverse-muted);
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-block-start: var(--space-5);
}

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-card-dark);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-inverse-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-social-btn:hover {
  background-color: var(--color-burgundy);
  border-color: var(--color-burgundy);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(112, 0, 25, 0.4);
}

.footer-social-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

/* --------------------------------------------------------------------------
   14. COURSE DETAILS PAGE COMPONENTS (ACCORDIONS, COMPARISON, ETC.)
   -------------------------------------------------------------------------- */
.course-hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-end: var(--space-5);
}

/* Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-block-start: var(--space-8);
}

.audience-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border-inline-start: 4px solid var(--color-burgundy);
  transition: all var(--transition-base);
}

.audience-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.audience-card h4 {
  font-size: var(--text-base);
  margin-block-end: var(--space-2);
}

.audience-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Interactive Curriculum Accordions */
.curriculum-module-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-block-start: var(--space-10);
}

.curriculum-module-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.curriculum-module-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #D2CDC2;
}

.curriculum-card-header {
  padding: var(--space-6) var(--space-8);
  background-color: #FFFFFF;
  border-block-end: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.curriculum-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.curriculum-card-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-burgundy);
}

.curriculum-card-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary-black);
}

.curriculum-card-phase-pill {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-burgundy);
  background-color: var(--color-burgundy-light);
  border: 1px solid var(--color-burgundy-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.curriculum-card-body {
  padding: var(--space-6) var(--space-8);
}

.curriculum-card-desc {
  font-size: var(--text-base);
  color: var(--color-text-body);
  line-height: 1.7;
  margin-block-end: var(--space-6);
}

.curriculum-highlights-box {
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}

.curriculum-highlights-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-burgundy);
  margin-block-end: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.curriculum-highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3) var(--space-6);
}

.curriculum-highlight-point {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.5;
}

.curriculum-highlight-point svg {
  color: var(--color-burgundy);
  flex-shrink: 0;
  margin-block-start: 3px;
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: none;
  text-align: start;
  cursor: pointer;
  font-family: var(--font-primary);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-surface-subtle);
}

.accordion-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.accordion-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-burgundy);
}

.accordion-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary-black);
}

.accordion-toggle-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base), background-color var(--transition-fast);
}

.accordion-header[aria-expanded="true"] .accordion-toggle-icon {
  transform: rotate(180deg);
  background-color: var(--color-burgundy);
  color: #FFFFFF;
  border-color: var(--color-burgundy);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  background-color: var(--color-surface);
}

.accordion-inner {
  padding: var(--space-6);
  border-block-start: 1px solid var(--color-border);
}

.module-intro-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-block-end: var(--space-6);
  padding-block-end: var(--space-4);
  border-block-end: 1px dashed var(--color-border);
}

.session-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.session-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-surface-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.session-number-badge {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-burgundy);
  background-color: var(--color-surface);
  border: 1px solid var(--color-burgundy-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  text-align: center;
}

.session-item-body h5 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-black);
  margin-block-end: var(--space-1);
}

.session-item-body p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Comparison Matrix (Grammar Memorization vs UPSKILL Motor Fluency) */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-block-start: var(--space-10);
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}

.comparison-card-passive {
  background-color: #F8F7F5;
  border-color: #E2DDD5;
}

.comparison-card-upskill {
  background-color: var(--color-surface);
  border: 2px solid var(--color-burgundy);
  box-shadow: var(--shadow-md);
  position: relative;
}

.comparison-card-upskill::before {
  content: 'THE UPSKILL STANDARD';
  position: absolute;
  top: -12px;
  inset-inline-start: var(--space-8);
  background-color: var(--color-burgundy);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.comparison-card h4 {
  font-size: var(--text-lg);
  margin-block-end: var(--space-4);
}

.comparison-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.comparison-item-passive svg {
  color: #9C988F;
  flex-shrink: 0;
  margin-top: 3px;
}

.comparison-item-upskill svg {
  color: var(--color-burgundy);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --------------------------------------------------------------------------
   15. ABOUT PAGE & PHILOSOPHY COMPONENTS
   -------------------------------------------------------------------------- */
.editorial-lead-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: center;
}

.statement-box {
  background-color: var(--color-surface);
  border-inline-start: 4px solid var(--color-accent-gold);
  border: 1px solid var(--color-border);
  border-inline-start-width: 4px;
  border-inline-start-color: var(--color-accent-gold);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.statement-box p {
  font-size: var(--text-base);
  color: var(--color-text-main);
  line-height: 1.7;
}

/* Future Tracks Grid */
.future-tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-block-start: var(--space-10);
}

.track-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.track-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: #D2CDC2;
}

.track-card-header {
  margin-block-end: var(--space-4);
}

/* --------------------------------------------------------------------------
   16. RESPONSIVE DESIGN (MEDIA QUERIES)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .flagship-featured-card {
    grid-template-columns: 1fr;
  }

  .flagship-card-sidebar {
    border-inline-start: none;
    border-block-start: 1px solid var(--color-border);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .editorial-lead-section {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

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

  .curriculum-card-header,
  .curriculum-card-body {
    padding: var(--space-5);
  }

  .session-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .session-number-badge {
    text-align: start;
    width: fit-content;
  }

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

  .conversion-actions {
    flex-direction: column;
    width: 100%;
  }

  .conversion-actions .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container, .container-narrow, .container-wide {
    padding-inline: var(--space-4);
  }

  .hero-metric-panel {
    padding: var(--space-5);
  }

  .flagship-card-main, .flagship-card-sidebar {
    padding: var(--space-6);
  }
}