/* ==============================================
   INDEX PAGE SPECIFIC STYLES
   ESL Fun Online - Optimized for Performance
   ============================================== */

/* Page-specific CSS Variables */
:root {
  --hero-gradient: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 50%,
    #f093fb 100%
  );
}

/* Page Header */
.page-header {
  background: var(--hero-gradient);
  color: white;
  padding: 8rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.3;
  z-index: 1;
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  font-family: var(--font-family-brand);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.breadcrumb a {
  color: white;
  text-decoration: none;
  transition: opacity var(--transition-normal);
}

.breadcrumb a:hover {
  opacity: 1;
}

/* Enhanced Hero Section - With PNG Background */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
      135deg,
      rgba(102, 126, 234, 0) 0%,
      rgba(118, 75, 162, 0) 50%,
      rgba(241, 147, 251, 0) 100%
    ),
    url("../images/Blue Night Sky Cute Whale Desktop Wallpaper.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 30% 70%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 20%,
      rgba(255, 255, 255, 0.05) 0%,
      transparent 50%
    );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

.hero h1 {
  font-family: var(--font-family-brand);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  margin-bottom: 3rem;
  opacity: 0.95;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Hero Stats Section */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.stat-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-xl);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffd700;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Enhanced Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.2rem 2.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: left 0.6s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.btn-secondary::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-color);
  border-color: white;
  box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 4;
  transition: all var(--transition-normal);
}

.scroll-indicator:hover {
  color: white;
  transform: translateX(-50%) scale(1.2);
}

/* Section Styles */
.section {
  padding: 5rem 0;
}

.section-title {
  font-family: var(--font-family-brand);
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

/* Resources Grid */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.resource-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.resource-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(70, 187, 229, 0.1),
    transparent
  );
  transition: left 0.6s;
}

.resource-card:hover::before {
  left: 100%;
}

.resource-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.resource-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 2rem;
  background: var(--gradient-primary);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: white;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 20px rgba(70, 187, 229, 0.3);
}

.resource-card:hover .resource-icon {
  transform: scale(1.1) rotateY(15deg);
  box-shadow: 0 12px 30px rgba(70, 187, 229, 0.4);
}

.resource-card h3 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  transition: color var(--transition-normal);
}

.resource-card:hover h3 {
  color: var(--primary-color);
}

.resource-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: 1.05rem;
}

.read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all var(--transition-normal);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.read-more::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-normal);
}

.read-more:hover::after {
  width: calc(100% - 1.5rem);
}

.read-more:hover {
  color: var(--primary-hover);
  transform: translateX(5px);
}

.read-more i {
  transition: transform var(--transition-normal);
}

.read-more:hover i {
  transform: translateX(5px);
}

/* Dual Option Cards */
.dual-option-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.dual-option-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--border-color),
    transparent
  );
  transform: translateX(-50%);
}

.dual-option-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.dual-option-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.dual-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.option {
  padding: 1rem;
  border-radius: var(--radius);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  color: inherit;
}

.option:hover {
  border-color: var(--primary-color);
  background: rgba(79, 70, 229, 0.05);
  transform: scale(1.05);
  text-decoration: none;
}

.option-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 0.5rem;
  background: var(--gradient-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.option h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.option p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* CTA Section */
.cta {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: 5rem 0;
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Mobile Responsive Optimizations */
@media (max-width: 768px) {
  /* Fix hero background on mobile */
  .hero {
    background-attachment: scroll;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-item {
    padding: 0.8rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
    padding: 1.3rem 2rem;
  }

  .dual-options {
    grid-template-columns: 1fr;
  }

  .dual-option-card::before {
    display: none;
  }

  .hero-content {
    padding: 1.5rem 1rem;
  }

  .scroll-indicator {
    font-size: 1.2rem;
    bottom: 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .resources-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .resource-card,
  .dual-option-card {
    padding: 1.5rem;
  }

  .cta h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 1rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .stat-item {
    padding: 1rem 0.5rem;
  }
}