/* Landing Page Styles - Extend auth.css */

/* Animated Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: #0a0a0a;
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand .brand-logo {
  font-size: 1.5rem;
  margin: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-blue);
}

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-text {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  transition: color 0.3s;
}

.btn-text:hover {
  color: var(--accent-blue);
}

/* Page Sections */
.page-section {
  display: none;
  padding-top: 80px;
  min-height: 100vh;
}

.page-section.active {
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #00aa55 0%, #00ff88 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Features Section */
.features-section {
  padding: 6rem 0;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

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

.feature-card {
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: 0 10px 30px rgba(0, 170, 85, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent-blue);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Product Details */
.products-hero,
.pricing-hero,
.learning-hero {
  padding: 6rem 0 4rem 0;
  text-align: center;
}

.product-details {
  padding: 4rem 0;
}

.product-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 6rem;
  align-items: center;
}

.product-feature.reverse {
  direction: rtl;
}

.product-feature.reverse > * {
  direction: ltr;
}

.feature-content h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--accent-blue);
}

.feature-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-weight: bold;
}

.feature-visual {
  background: rgba(15, 15, 15, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-visual {
  font-size: 2rem;
  color: var(--text-secondary);
}

/* Pricing Cards */
.pricing-cards {
  padding: 4rem 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: 0 10px 30px rgba(0, 170, 85, 0.2);
}

.pricing-card.featured {
  border-color: var(--accent-blue);
  box-shadow: 0 0 30px rgba(0, 170, 85, 0.3);
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-blue);
  color: var(--bg-primary);
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.price span {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(26, 61, 26, 0.3);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.btn-block {
  width: 100%;
}

/* Learning Center */
.learning-content {
  padding: 4rem 0;
}

.learning-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.learning-card {
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.learning-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
}

.learning-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent-blue);
}

.learning-card ul {
  list-style: none;
  padding: 0;
}

.learning-card ul li {
  margin-bottom: 0.75rem;
}

.learning-card ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  display: block;
  padding: 0.5rem 0;
}

.learning-card ul li a:hover {
  color: var(--accent-blue);
  padding-left: 0.5rem;
}

/* Auth Modal */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #000;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-close {
  position: fixed;
  top: 2rem;
  right: 2rem;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 2001;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.auth-modal .auth-container {
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .product-feature {
    grid-template-columns: 1fr;
  }
  
  .product-feature.reverse {
    direction: ltr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}