/* ============================================================================
   GENERAL STYLES - Unified Dashboard + Marketing
   Combines dashboard and marketing styles into one reusable file
   Dashboard styles take priority over marketing styles in conflicts
   ============================================================================ */

/* ============================================================================
   MARKETING PAGE STYLES
   For landing pages, pricing, and public pages
   ============================================================================ */

/* === PAGE STRUCTURE === */

/* Page Container */
.landing-container {
  position: relative;
  overflow-x: hidden;
}

/* Decorative background grid */
.landing-container::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

/* === HERO SECTION === */

.hero {
  display: block;
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 40px 80px;
  text-align: center;
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] .hero::before {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
}

.hero-eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 24px 0;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero h2 {
  display: block;
  font-size: 64px;
  font-weight: 800;
  margin: 0 0 28px 0;
  color: var(--fg);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.hero .subtitle {
  display: block;
  font-size: 21px;
  color: var(--muted);
  margin: 0 0 48px 0;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  font-weight: 400;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta-container {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.8s forwards;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] .hero::before {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 24px 0;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero h2 {
  font-size: 64px;
  font-weight: 800;
  margin: 0 0 28px 0;
  color: var(--fg);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.hero .subtitle {
  font-size: 21px;
  color: var(--muted);
  margin: 0 0 48px 0;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  font-weight: 400;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta-container {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.8s forwards;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

/* === MARKETING SECTION HEADERS === */

.section-header.landing {
  text-align: center;
  margin-bottom: 80px;
}

.section-eyebrow {
  display: block !important;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px 0;
}

.section-title {
  display: block !important;
  font-size: 42px;
  font-weight: 800;
  margin: 0 0 16px 0;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.section-subtitle {
  display: block !important;
  font-size: 18px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === FEATURES SECTION === */

.features {
  display: block;
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 40px;
  z-index: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.section-header {
  display: block !important;
  text-align: center;
  margin-bottom: 80px;
}

.feature-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent);
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: var(--accent);
}

.feature-card:hover::before {
  height: 100%;
}

[data-theme="dark"] .feature-card {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .feature-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent));
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 26px;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2);
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
}

.feature-card h4 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

/* === CONTENT SECTIONS === */

.content-section {
  display: block !important;
  position: relative;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 40px;
  margin: 60px 0;
  z-index: 1;
}

.content-section-inner {
  max-width: 1400px;
  margin: 0 auto;
}

/* Tools section - needs width constraints for alignment */
.tools {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 40px;
  z-index: 1;
}

.tools-content {
  width: 100%;
}

/* === TOOLS/CATEGORY GRID === */

.tool-categories {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

/* Ensure tools section renders as block */
.tools {
  display: block;
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 40px;
  z-index: 1;
}

.tools-content {
  display: block;
  width: 100%;
}

.tool-category {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: all 0.3s ease;
}

.tool-category:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
}

[data-theme="dark"] .tool-category:hover {
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
}

.tool-category h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px 0;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.tool-category h4 i {
  font-size: 20px;
}

.tool-category ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tool-category li {
  padding: 10px 0;
  color: var(--fg);
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.2s ease, color 0.2s ease;
  position: relative;
}

.tool-category li::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  color: var(--accent);
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateX(-8px);
}

.tool-category li:hover {
  padding-left: 20px;
  color: var(--accent);
}

.tool-category li:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.tool-category li:last-child {
  border-bottom: none;
}

/* === PRICING CARDS === */

.pricing-content {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 48px;
}

.pricing-card {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card.popular {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] .pricing-card.popular {
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.2);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.pricing-card h4 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 16px 0;
  color: var(--fg);
}

.pricing-price {
  font-size: 48px;
  font-weight: 800;
  margin: 16px 0;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.pricing-description {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 28px 0;
}

.pricing-cta {
  display: block;
  padding: 14px 28px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: all 0.2s ease;
}

.pricing-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.pricing-cta.secondary {
  background: var(--button-bg);
  color: var(--fg);
  border: 1px solid var(--border);
}

.pricing-cta.secondary:hover {
  background: var(--button-hover);
  box-shadow: none;
}

.pricing-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}

.pricing-link:hover {
  gap: 10px;
}

/* === CTA SECTIONS === */

.cta-section {
  position: relative;
  max-width: 900px;
  margin: 100px auto 120px;
  padding: 60px 40px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  z-index: 1;
}

[data-theme="dark"] .cta-section {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.cta-section h3 {
  font-size: 38px;
  font-weight: 800;
  margin: 0 0 16px 0;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 36px 0;
  line-height: 1.6;
}

.cta-button {
  display: inline-block;
  padding: 16px 36px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.35);
}

[data-theme="dark"] .cta-button {
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .cta-button:hover {
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}

/* === PROGRESS CTA BUTTON === */

.progress-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 32px;
  border-radius: 12px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: white;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  overflow: hidden;
  min-height: 60px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.35);
}

[data-theme="dark"] .progress-cta {
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .progress-cta:hover {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.progress-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.progress-cta__fill,
.progress-cta__success {
  position: absolute;
  pointer-events: none;
  border-radius: inherit;
  transition: opacity 0.3s ease;
}

.progress-cta__fill {
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 100%);
  z-index: 0;
  transition: width 1.6s ease;
}

.progress-cta.is-loading .progress-cta__fill {
  width: 100%;
}

.progress-cta__success {
  inset: 0;
  background: rgba(34, 197, 94, 0.9);
  opacity: 0;
  z-index: 1;
}

.progress-cta.is-success .progress-cta__success {
  animation: successFlash 0.6s forwards;
}

.progress-cta__content {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.progress-cta__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: white;
  transition: transform 0.3s ease;
}

.progress-cta:hover .progress-cta__icon {
  animation: rocketBounce 1.2s ease-in-out infinite;
}

.progress-cta__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.progress-cta__label {
  font-size: 17px;
}

.progress-cta__status-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: color 0.2s ease;
}

.progress-cta.is-loading {
  pointer-events: none;
}

@keyframes rocketBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes successFlash {
  0% { opacity: 0; }
  20% { opacity: 1; }
  100% { opacity: 0; }
}

/* ============================================================================
   DASHBOARD STYLES
   Priority: Overrides marketing styles when conflicts occur
   ============================================================================ */

/* === 1. BASE LAYOUT & CONTAINERS === */

/* Dashboard container - max-width centered layout */
.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 32px 64px;
}

/* Dashboard header - hero section with gradient background */
.dashboard-header {
  position: relative;
  background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  margin-bottom: 48px;
  overflow: hidden;
}

.dashboard-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.dashboard-header-content {
  position: relative;
  z-index: 1;
}

.dashboard-header h1 {
  font-size: 48px;
  font-weight: 800;
  margin: 0 0 16px 0;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.1;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.1s forwards;
  background: linear-gradient(135deg, var(--fg) 0%, var(--muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .dashboard-header h1 {
  background: linear-gradient(135deg, var(--fg) 0%, var(--neutral-300) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.dashboard-header p {
  color: var(--muted);
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.2s forwards;
}

/* === 2. STATS GRID === */

/* 3-column responsive grid for stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Stat card with hover effects */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Stat card header with icon */
.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.stat-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover .stat-card-icon {
  transform: scale(1.08) rotate(3deg);
}

/* Icon color variants */
.stat-card-icon.seats {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
}

.stat-card-icon.classes {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.stat-card-icon.tutors {
  background: rgba(168, 85, 247, 0.12);
  color: #a855f7;
}

/* Stat value and label */
.stat-card-value {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 8px;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-card-label {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.stat-card-action {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.stat-card-action a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.stat-card-action a:hover {
  text-decoration: none;
  transform: translateX(4px);
}

/* === 3. PROGRESS BAR === */

.progress-track {
  height: 10px;
  background: var(--neutral-200);
  border-radius: 999px;
  overflow: hidden;
  margin: 16px 0 10px;
}

[data-theme="dark"] .progress-track {
  background: var(--neutral-700);
}

.progress-fill {
  height: 100%;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 999px;
}

.progress-label {
  text-align: right;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* === 4. SECTION HEADERS (DASHBOARD VARIANT - OVERRIDES MARKETING) === */

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
}

/* === 5. BUTTONS === */

.btn-create {
  padding: 12px 24px;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-create:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-create i {
  font-size: 18px;
}

.btn-primary {
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

/* === 6. EMPTY STATE === */

.empty-state {
  text-align: center;
  padding: 80px 32px;
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: 16px;
  color: var(--muted);
  transition: all 0.3s ease;
}

.empty-state:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--card-bg), var(--neutral-50));
}

[data-theme="dark"] .empty-state:hover {
  background: linear-gradient(135deg, var(--card-bg), var(--neutral-900));
}

.empty-state i {
  font-size: 56px;
  margin-bottom: 20px;
  opacity: 0.6;
}

.empty-state p {
  font-size: 18px;
  margin-bottom: 24px;
  font-weight: 500;
}

/* === 7. CARDS & ITEMS GRID === */

/* Responsive grid for cards */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.class-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.class-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.class-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.class-card:hover::before {
  transform: scaleY(1);
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.class-card h3 {
  margin: 0 0 16px 0;
  font-size: 20px;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
}

/* Class code badge */
.class-code {
  font-family: 'DM Sans', monospace;
  font-weight: 600;
  background: var(--neutral-100);
  color: var(--neutral-700);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  align-self: flex-start;
  margin-bottom: 20px;
  border: 1px solid var(--neutral-200);
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.class-card:hover .class-code {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

[data-theme="dark"] .class-code {
  background: var(--neutral-800);
  color: var(--neutral-300);
  border-color: var(--neutral-700);
}

/* Class metadata */
.class-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.class-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease;
}

.class-card:hover .class-meta-item {
  color: var(--accent);
}

.class-meta-item i {
  font-size: 16px;
}

/* === 8. PAGE LOADER === */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 56px;
  height: 56px;
  border: 5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* === 9. ANIMATIONS === */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered fade-in for grid items */
.stats-grid > div,
.classes-grid > a {
  animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  opacity: 0;
}

.stats-grid > div:nth-child(1) {
  animation-delay: 0.1s;
}

.stats-grid > div:nth-child(2) {
  animation-delay: 0.2s;
}

.stats-grid > div:nth-child(3) {
  animation-delay: 0.3s;
}

.classes-grid > a:nth-child(1) {
  animation-delay: 0.4s;
}

.classes-grid > a:nth-child(2) {
  animation-delay: 0.5s;
}

.classes-grid > a:nth-child(3) {
  animation-delay: 0.6s;
}

.classes-grid > a:nth-child(4) {
  animation-delay: 0.7s;
}

/* === 10. BACKGROUND PATTERNS === */

/* Subtle grid background for dashboards */
body.dashboard-page::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

/* === 11. NAVIGATION STYLES === */

/* Top navigation bar */
.top-nav {
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--bg) 100%);
  border-bottom: 2px solid var(--border);
  padding: 16px 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

[data-theme="dark"] .top-nav {
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--bg) 100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.top-nav::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent, var(--accent));
  opacity: 0.6;
}

/* Brand section */
.nav-brand h1 {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  transition: color 0.3s ease;
  position: relative;
}

.nav-brand h1::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.nav-brand h1:hover::before {
  width: 100%;
}

.nav-brand-link {
  background: linear-gradient(135deg, var(--accent), rgba(59, 130, 246, 0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation icon buttons */
.nav-icon-button {
  position: relative;
  padding: 8px;
  cursor: pointer;
  text-decoration: none !important;
}

.nav-icon-button svg,
.nav-icon-button i {
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-icon-button:hover svg,
.nav-icon-button:hover i {
  color: var(--accent);
  transform: scale(1.15);
}

.nav-icon-button--with-label {
  padding: 10px 16px;
  gap: 10px;
  position: relative;
}

.nav-icon-button--with-label::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.nav-icon-button--with-label:hover::before {
  width: 100%;
}

.nav-icon-button-label {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--muted);
}

/* Menu trigger */
.menu-trigger {
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
  position: relative;
  cursor: pointer;
}

.menu-trigger::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.menu-trigger:hover::after {
  width: 100%;
}

.menu-trigger svg,
.menu-trigger i {
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-trigger:hover svg,
.menu-trigger:hover i {
  color: var(--accent);
  transform: scale(1.15);
}

.menu-trigger.active {
  color: var(--accent);
}

.menu-trigger.active .menu-trigger-icon {
  transform: rotate(180deg);
}

.menu-trigger-icon {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dropdown menu */
.menu-dropdown {
  position: absolute;
  top: 100%;
  left: auto;
  right: 0;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(12px);
  min-width: 220px;
  padding: 8px 0;
  display: none !important;
  z-index: 1000;
  transform-origin: top right;
  animation: dropdownFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-dropdown.show {
  display: block !important;
}

[data-theme="dark"] .menu-dropdown {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border-color: var(--neutral-700);
}

.menu-option {
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  color: var(--muted);
}

.menu-option::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.menu-option:hover {
  color: var(--accent);
  padding-left: 12px;
}

.menu-option:hover::before {
  width: 100%;
}

/* Theme toggle */
.theme-toggle {
  cursor: pointer;
}

.theme-toggle svg {
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover svg {
  color: var(--accent);
  transform: scale(1.15);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.mobile-menu-toggle:hover {
  color: var(--accent);
}

.mobile-menu-toggle[data-mobile-open="true"] {
  color: var(--accent);
}

.mobile-menu-toggle[data-mobile-open="true"] .mobile-menu-toggle-bar {
  background: var(--accent);
}

.mobile-menu-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover .mobile-menu-toggle-bar {
  background: var(--accent);
}

/* Override global button hover styles */
body .top-nav button.nav-icon-button,
body .top-nav a.nav-icon-button,
body .top-nav button.menu-trigger,
body .top-nav button.theme-toggle,
body .top-nav button.mobile-menu-toggle {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

body .top-nav button.nav-icon-button:hover,
body .top-nav a.nav-icon-button:hover,
body .top-nav button.menu-trigger:hover,
body .top-nav button.theme-toggle:hover,
body .top-nav button.mobile-menu-toggle:hover {
  background: transparent !important;
  border: none !important;
  border-color: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

body .top-nav button.nav-icon-button:hover:not(.primary),
body .top-nav a.nav-icon-button:hover:not(.primary),
body .top-nav button.menu-trigger:hover:not(.primary),
body .top-nav button.theme-toggle:hover:not(.primary),
body .top-nav button.mobile-menu-toggle:hover:not(.primary) {
  background: transparent !important;
  border: none !important;
  border-color: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

/* Dark mode overrides */
[data-theme="dark"] body .top-nav button.nav-icon-button:hover:not(.primary),
[data-theme="dark"] body .top-nav a.nav-icon-button:hover:not(.primary),
[data-theme="dark"] body .top-nav button.menu-trigger:hover:not(.primary),
[data-theme="dark"] body .top-nav button.theme-toggle:hover:not(.primary),
[data-theme="dark"] body .top-nav button.mobile-menu-toggle:hover:not(.primary) {
  background: transparent !important;
  border: none !important;
  border-color: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

/* === 12. RESPONSIVE BREAKPOINTS === */

/* Marketing responsive */
@media (max-width: 1024px) {
  .hero h2 {
    font-size: 48px;
  }

  .section-title {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 24px 60px;
  }

  .hero h2 {
    font-size: 40px;
  }

  .hero .subtitle {
    font-size: 18px;
  }

  .features,
  .content-section {
    padding: 60px 24px;
  }

  .section-title {
    font-size: 32px;
  }

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

  .tool-categories {
    grid-template-columns: 1fr;
  }

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

  .cta-section {
    margin: 60px 24px 80px;
    padding: 40px 24px;
  }

  .cta-section h3 {
    font-size: 32px;
  }

  /* Dashboard responsive overrides */
  .dashboard-header {
    padding: 32px;
  }

  .dashboard-header h1 {
    font-size: 32px;
  }

  .dashboard-header p {
    font-size: 16px;
  }

  .dashboard-header-decoration {
    display: none;
  }

  .top-nav {
    padding: 12px 16px;
  }

  .nav-brand h1 {
    font-size: 22px;
  }

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