/* ============================================================
   PrepWise — Global Stylesheet
   A clean, modern, mobile-first design system
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #7c3aed;
  --color-secondary-light: #ede9fe;
  --color-accent: #06b6d4;

  /* Semantic Colors */
  --color-success: #22c55e;
  --color-success-bg: #dcfce7;
  --color-error: #ef4444;
  --color-error-bg: #fef2f2;
  --color-warning: #f59e0b;
  --color-warning-bg: #fffbeb;

  /* Neutrals */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  --color-text: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --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, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Layout */
  --max-width: 1200px;
  --navbar-height: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-secondary); }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--navbar-height);
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.95);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.35rem;
  font-weight: 800;
  color: #000000;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.navbar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: #000000;
  border: 2.5px solid #facc15;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #facc15;
  font-size: 1.25rem;
  font-weight: 900;
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.45);
  transition: transform var(--transition-fast);
}

.navbar-brand:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

.navbar-brand .logo-text-wise {
  background: #facc15;
  color: #000000;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  margin-left: 2px;
  font-weight: 900;
}

/* ---------- Live MNC News Ticker (Yellow & Black Accent) ---------- */
.news-ticker-bar {
  background: #09090b;
  color: #ffffff;
  padding: 7px var(--space-md);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-bottom: 2px solid #facc15;
  overflow: hidden;
  position: relative;
  z-index: 80;
}

.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #facc15;
  color: #000000;
  font-weight: 900;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.live-dot {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  display: inline-block;
  animation: pulseLive 1.4s infinite;
}

@keyframes pulseLive {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.ticker-content {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- MNC News Section & Cards ---------- */
.mnc-news-section {
  padding: var(--space-2xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.mnc-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

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

.news-card:hover {
  border-color: #000000;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.news-card-internship {
  border: 1.5px solid #facc15;
  background: linear-gradient(180deg, #ffffff 0%, #fffef0 100%);
}

.news-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.news-badge-live {
  background: #000000;
  color: #facc15;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.news-title {
  font-size: 1rem;
  font-weight: 800;
  color: #000000;
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}

.news-summary {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.news-meta-box {
  background: #ffffff;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: var(--space-md);
}

.news-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-sm);
}

.news-action-btn {
  font-size: 0.8rem;
  font-weight: 700;
  color: #000000;
  background: #facc15;
  padding: 5px 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.news-action-btn:hover {
  background: #eab308;
  color: #000000;
}

/* ---------- Fresher Job Description & CTC Breakdown ---------- */
.fresher-badge-pill {
  background: #fef08a;
  color: #854d0e;
  border: 1px solid #facc15;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ctc-box {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 12px;
  margin-bottom: var(--space-md);
}

.ctc-box .ctc-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 3px 0;
  border-bottom: 1px dashed #e2e8f0;
}

.ctc-box .ctc-row:last-child {
  border-bottom: none;
}

.ctc-box .ctc-label {
  color: var(--color-text-secondary);
}

.ctc-box .ctc-value {
  font-weight: 700;
  color: #059669;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navbar-nav a {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.mobile-menu-btn {
  display: none;
  padding: var(--space-sm);
  color: var(--color-text);
  font-size: 1.5rem;
}

/* ---------- Hero Section ---------- */
.hero {
  padding: var(--space-3xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------- Filter Bar ---------- */
.filter-section {
  padding: var(--space-lg) 0;
  position: sticky;
  top: var(--navbar-height);
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.filter-bar {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.filter-search {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.filter-search .search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.filter-search input {
  width: 100%;
  padding: 0.65rem 0.75rem 0.65rem 2.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 0.925rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-sans);
}

.filter-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-select {
  padding: 0.65rem 2.25rem 0.65rem 0.85rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 0.925rem;
  background: var(--color-surface);
  color: var(--color-text);
  appearance: none;
  cursor: pointer;
  font-family: var(--font-sans);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  transition: border-color var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* ---------- Company Cards Grid ---------- */
.companies-section {
  padding: var(--space-xl) 0 var(--space-3xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.companies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.company-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.company-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: inherit;
}

.company-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.company-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.company-card-header .company-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.company-card-header .company-info .company-industry {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.company-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.company-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.tag {
  display: inline-flex;
  padding: 2px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag-region {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.tag-degree {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.company-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.company-card-footer .question-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.company-card-footer .arrow {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.company-card:hover .arrow {
  background: var(--color-primary);
  color: white;
}

/* ---------- How It Works Section ---------- */
.how-it-works {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
  letter-spacing: -0.02em;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
}

.step-card {
  text-align: center;
  padding: var(--space-lg);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto var(--space-md);
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---------- Company Detail Page ---------- */
.breadcrumb {
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb .separator {
  margin: 0 var(--space-sm);
  color: var(--color-text-muted);
}

.company-header {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.company-header-top {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.company-header .company-logo-lg {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  flex-shrink: 0;
}

.company-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.company-header .company-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.company-quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
}

.quick-stat {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.quick-stat .stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.quick-stat .stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Tabs ---------- */
.tabs-container {
  margin-bottom: var(--space-xl);
}

.tabs-nav {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-secondary);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
  padding: var(--space-lg) 0;
}

.tab-panel.active {
  display: block;
}

/* Reserved ad placements stay collapsed until a real ad integration enables them. */
.ad-slot {
  display: none;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.ad-slot.is-enabled {
  display: block;
}

.ad-slot.ad-loading {
  min-height: var(--ad-slot-min-height, 50px);
}

.ad-slot.ad-error {
  display: none;
}

.ad-slot[data-ad-state="loaded"] {
  min-height: var(--ad-slot-min-height, 0);
}

.ad-slot-sticky {
  width: min(100%, var(--ad-slot-width, 100%));
  margin-left: auto;
  margin-right: auto;
}

.ad-slot-leaderboard,
.ad-slot-banner {
  max-width: 970px;
  margin: 0 auto;
}

.ad-slot-inline {
  margin: var(--space-lg) 0;
}

.ad-slot-sidebar {
  width: 100%;
}

/* ---------- Company Info Content ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-xl);
}

.info-main h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.info-main h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: var(--space-lg) 0 var(--space-sm);
}

.info-main p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.milestone-list {
  position: relative;
  padding-left: var(--space-lg);
}

.milestone-list::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--color-border);
  border-radius: 1px;
}

.milestone-item {
  position: relative;
  padding-bottom: var(--space-md);
}

.milestone-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg) + 0px);
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.milestone-item .milestone-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.milestone-item .milestone-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.info-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

.sidebar-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.sidebar-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list .label {
  color: var(--color-text-muted);
}

.sidebar-list .value {
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
}

/* ---------- Test Pattern ---------- */
.test-pattern-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.test-pattern-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.pattern-table {
  width: 100%;
  border-collapse: collapse;
}

.pattern-table th,
.pattern-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.pattern-table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-surface-alt);
}

.pattern-table td {
  color: var(--color-text);
}

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

.tips-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.tips-list li .tip-icon {
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- Practice Questions (Category Selector) ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}

.category-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}

.category-card .category-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.category-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.category-card .category-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.start-all-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  margin-top: var(--space-lg);
  text-decoration: none;
}

.start-all-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

/* ---------- Quiz Page ---------- */
.quiz-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-3xl);
}

.quiz-header {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.quiz-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.quiz-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.quiz-category-badge {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.quiz-progress {
  margin-bottom: var(--space-sm);
}

.progress-bar {
  height: 6px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: var(--space-xs);
}

/* ---------- Question Card ---------- */
.question-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.question-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.question-meta .difficulty {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Difficulty & Preparation Levels */
.difficulty-beginner, .level-beginner {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.difficulty-intermediate, .level-intermediate {
  background: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.difficulty-advanced, .level-advanced {
  background: #f3e8ff;
  color: #7e22ce;
  border: 1px solid #e9d5ff;
}

.difficulty-legend, .level-legend {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
  border: 1px solid #f59e0b;
  font-weight: 800;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
  animation: legendGlow 2.5s infinite alternate;
}

@keyframes legendGlow {
  from { box-shadow: 0 0 4px rgba(245, 158, 11, 0.3); }
  to { box-shadow: 0 0 12px rgba(245, 158, 11, 0.6); }
}

/* Level Selector Pills */
.level-selector-bar {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
  margin: var(--space-md) 0;
}

.level-pill {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.level-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.level-pill.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.level-pill.active.pill-legend {
  background: linear-gradient(135deg, #d97706, #b45309);
  border-color: #d97706;
}

/* Country Selector & Badges */
.country-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.country-info-banner {
  background: linear-gradient(135deg, #eff6ff, #f5f3ff);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-xl);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.country-info-banner h3 {
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Job Roles & Salary System */
.role-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.role-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.role-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.role-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.role-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.35;
}

.salary-tag {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.role-experience {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.skill-chip {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.role-prep-box {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.8rem;
}

.role-prep-box strong {
  color: var(--color-primary);
  display: block;
  margin-bottom: 4px;
}

.role-prep-box ul {
  padding-left: 16px;
  list-style: disc;
}

.role-prep-box li {
  margin-bottom: 3px;
  color: var(--color-text-secondary);
}

.prepare-role-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0.75rem var(--space-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-top: auto;
}

.prepare-role-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  color: white;
}

/* Role Target Banner in Quiz */
.quiz-role-target-banner {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.quiz-role-target-banner .role-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.quiz-role-target-banner .target-salary {
  font-size: 0.85rem;
  font-weight: 700;
  color: #34d399;
}

.question-text {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.question-number {
  color: var(--color-primary);
  font-weight: 700;
}

/* Options */
.options-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.option-btn {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  padding: 0.85rem var(--space-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  text-align: left;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: pointer;
  line-height: 1.5;
}

.option-btn:hover:not(.disabled) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.option-label {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-btn:hover:not(.disabled) .option-label {
  background: var(--color-primary);
  color: white;
}

.option-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.option-btn.selected .option-label {
  background: var(--color-primary);
  color: white;
}

.option-btn.correct {
  border-color: var(--color-success);
  background: var(--color-success-bg);
}

.option-btn.correct .option-label {
  background: var(--color-success);
  color: white;
}

.option-btn.incorrect {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.option-btn.incorrect .option-label {
  background: var(--color-error);
  color: white;
}

.option-btn.disabled {
  cursor: default;
  opacity: 0.7;
}

/* Solution Toggle */
.solution-section {
  margin-top: var(--space-md);
}

.solution-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem var(--space-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  transition: all var(--transition-fast);
}

.solution-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.solution-toggle .toggle-icon {
  transition: transform var(--transition-fast);
}

.solution-toggle.open .toggle-icon {
  transform: rotate(180deg);
}

.solution-content {
  display: none;
  margin-top: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.solution-content.visible {
  display: block;
}

.solution-content h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.solution-content p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  white-space: pre-wrap;
}

/* Quiz Navigation */
.quiz-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.quiz-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}

.quiz-btn-primary {
  background: var(--color-primary);
  color: white;
}

.quiz-btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

.quiz-btn-secondary {
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-surface);
}

.quiz-btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.quiz-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Quiz Results */
.quiz-results {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.results-score {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.results-label {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.results-breakdown {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.breakdown-item {
  text-align: center;
}

.breakdown-item .breakdown-number {
  font-size: 1.5rem;
  font-weight: 800;
}

.breakdown-item .breakdown-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.breakdown-correct .breakdown-number { color: var(--color-success); }
.breakdown-incorrect .breakdown-number { color: var(--color-error); }
.breakdown-skipped .breakdown-number { color: var(--color-text-muted); }

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

/* ---------- Next Steps / CTA ---------- */
.next-steps {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.next-steps h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.next-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.next-step-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.next-step-link:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.next-step-link .step-emoji {
  font-size: 1.5rem;
}

/* ---------- Ad Placements & Background Advertising System ---------- */
.ad-slot {
  display: none;
  background: var(--color-surface-alt);
  border: 1px dashed var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.ad-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.15);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

/* Future monetization placements remain collapsed until an integration enables them. */
.ad-slot-sticky {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  max-width: none;
  min-height: 0;
  margin: 0;
  border-radius: 0;
  padding: 0;
}

.ad-slot-sticky-desktop.is-enabled {
  display: block;
}

.ad-slot-sticky-mobile {
  display: none;
}

.ad-slot-close {
  position: absolute;
  top: 4px;
  right: 8px;
  z-index: 1;
  border: 0;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.ad-slot-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
  max-width: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: rgba(15, 23, 42, 0.72);
}

.ad-slot-overlay.is-enabled:not([hidden]) {
  display: flex;
}

.ad-slot-overlay .ad-slot-close {
  top: 16px;
  right: 16px;
}

body.ad-overlay-open {
  overflow: hidden;
}

@media (max-width: 768px) {
  .ad-slot-sticky-desktop.is-enabled {
    display: none;
  }

  .ad-slot-sticky-mobile.is-enabled {
    display: block;
  }
}

.ad-creative-mock {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(124,58,237,0.04));
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.ad-slot-sidebar.is-enabled {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ad-slot-halfpage.is-enabled {
  min-height: 600px;
}

.ad-slot-inline {
  margin: var(--space-lg) 0;
}

.ad-billboard-top {
  margin: var(--space-md) auto;
  max-width: var(--max-width);
}

/* Background Skin / Wallpaper Takeover Ads */
.skin-ad {
  position: fixed;
  top: 70px;
  width: 140px;
  height: 600px;
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  z-index: 40;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-sm);
  box-shadow: var(--shadow-sm);
  transition: opacity var(--transition-base);
}

.skin-ad-left {
  left: calc(50% - 600px - 150px);
}

.skin-ad-right {
  right: calc(50% - 600px - 150px);
}

body.has-wallpaper-ad {
  background: #f1f5f9;
  background-image: 
    linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Sticky Bottom Anchor Ad */
.sticky-anchor-ad {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  padding: 8px var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  transition: transform var(--transition-base);
}

.sticky-anchor-ad.minimized {
  transform: translateY(calc(100% - 24px));
}

.sticky-anchor-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 970px;
  gap: var(--space-md);
}

.anchor-toggle-btn {
  position: absolute;
  top: -24px;
  right: 20px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  cursor: pointer;
  box-shadow: 0 -2px 6px rgba(0,0,0,0.05);
}

/* Floating Corner Outstream Video Ad */
.floating-video-ad {
  position: fixed;
  bottom: 80px;
  right: 24px;
  width: 280px;
  background: #0f172a;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  z-index: 92;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  animation: slideUpFade 0.4s ease-out;
}

@keyframes slideUpFade {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.video-ad-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: rgba(0,0,0,0.4);
  color: #94a3b8;
  font-size: 0.7rem;
  font-weight: 600;
}

.video-ad-body {
  height: 150px;
  background: #1e293b;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  padding: var(--space-md);
}

.video-ad-body .play-pulse {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.video-ad-progress {
  height: 3px;
  background: #334155;
  width: 100%;
}

.video-ad-progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 45%;
  animation: adProgress 12s linear infinite;
}

@keyframes adProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* Floating Ad Engine Switcher Panel */
.ad-control-pill {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 99;
  background: #0f172a;
  color: white;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.15);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.ad-control-pill:hover {
  transform: translateY(-2px);
  background: #1e293b;
}

.ad-modal {
  position: fixed;
  bottom: 74px;
  left: 24px;
  width: 320px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 100;
  padding: var(--space-lg);
  display: none;
  animation: slideUpFade 0.25s ease-out;
}

.ad-modal.open {
  display: block;
}

.ad-modal h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ad-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.825rem;
}

.ad-toggle-row:last-child {
  border-bottom: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 22px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-primary);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

@media (min-width: 1360px) {
  .skin-ad {
    display: flex;
  }
}

@media (max-width: 768px) {
  .floating-video-ad {
    width: 200px;
    bottom: 70px;
    right: 12px;
  }
  .video-ad-body {
    height: 100px;
  }
  .ad-modal {
    left: 12px;
    right: 12px;
    width: auto;
  }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-text);
  color: var(--color-text-muted);
  padding: var(--space-2xl) 0 var(--space-lg);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand h3 {
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.footer-links h4 {
  color: var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.footer-links a {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ---------- Empty / Loading States ---------- */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 56px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .navbar-nav {
    display: none;
  }
  
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: var(--space-xl) 0 var(--space-2xl);
  }

  .hero-stats {
    gap: var(--space-lg);
  }

  .hero-stat .stat-number {
    font-size: 1.35rem;
  }

  .filter-bar {
    flex-direction: column;
  }

  .filter-search {
    width: 100%;
  }

  .filter-select {
    width: 100%;
  }

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

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

  .company-header-top {
    flex-direction: column;
    text-align: center;
  }

  .tabs-nav {
    gap: 0;
  }

  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .quiz-container {
    padding: var(--space-md) var(--space-md) var(--space-2xl);
  }

  .question-card {
    padding: var(--space-lg);
  }

  .results-breakdown {
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr;
  }

  .company-quick-stats {
    grid-template-columns: 1fr 1fr;
  }

  .quiz-nav {
    flex-direction: column;
  }

  .quiz-btn {
    width: 100%;
    justify-content: center;
  }
}
.question-validation-warning {
  margin: 0 0 1rem;
  padding: 0.8rem 1rem;
  border: 1px solid #f59e0b;
  border-radius: 0.5rem;
  background: #fffbeb;
  color: #92400e;
}