/* ==========================================
   WA Platform Landing Page Styles
   Modern, conversion-optimized design with dual themes
   ========================================== */

/* Import AOS animations */
@import url('https://unpkg.com/aos@2.3.1/dist/aos.css');

/* ==========================================
   Landing-specific CSS Variables
   ========================================== */
:root {
  --landing-spacing-section: 120px;
  --landing-spacing-mobile: 60px;
  --hero-gradient: linear-gradient(135deg, rgba(31, 111, 235, 0.1) 0%, rgba(36, 188, 164, 0.05) 100%);
  --hero-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.8));
  --hero-glow-left: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.25), transparent 45%);
  --hero-glow-right: radial-gradient(circle at 80% 0%, rgba(16, 185, 129, 0.2), transparent 40%);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 111, 235, 0.1);
  --glass-backdrop: blur(20px) saturate(180%);
}

html[data-theme="dark"] {
  --hero-gradient: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(168, 85, 247, 0.1) 100%);
  --hero-overlay: linear-gradient(180deg, rgba(8, 12, 22, 0.95), rgba(8, 12, 22, 0.8));
  --hero-glow-left: radial-gradient(circle at 12% 20%, rgba(56, 189, 248, 0.18), transparent 50%);
  --hero-glow-right: radial-gradient(circle at 80% 5%, rgba(168, 85, 247, 0.16), transparent 45%);
  --glass-bg: rgba(17, 24, 39, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --glass-backdrop: blur(20px) saturate(120%);
}

/* ==========================================
   General Landing Styles
   ========================================== */
.landing-page {
  background: var(--bg-base);
  overflow-x: hidden;
}

.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Glass card effect */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  box-shadow: var(--glass-shadow);
  padding: 2rem;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--landing-spacing-section) 0;
  background: var(--bg-base);
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-glow-left), var(--hero-glow-right), var(--hero-overlay);
  z-index: 0;
  pointer-events: none;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

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

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero Visual Card */
.hero-visual {
  position: relative;
  z-index: 1;
}

.visual-card {
  padding: 0;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.card-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #22c55e; }

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-content {
  padding: 1.5rem;
}

.connector-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.connector-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-base);
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.connector-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.connector-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  padding: 4px;
}

.connector-logo {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.connector-icon-bitrix { background: linear-gradient(135deg, #2fc7f5 0%, #1a7fa8 100%); }
.connector-icon-whatsapp { background: linear-gradient(135deg, #25d366 0%, #128c7e 100%); }
.connector-icon-olx { background: linear-gradient(135deg, #002f34 0%, #005662 100%); }
.connector-icon-asterisk { background: linear-gradient(135deg, #f37021 0%, #c95a1a 100%); }

.connector-info {
  flex: 1;
}

.connector-name {
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.connector-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   Integrations Section
   ========================================== */
.integrations-section {
  padding: var(--landing-spacing-section) 0;
}

.integrations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.integration-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.integration-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.integration-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  border-color: var(--primary);
}

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

.integration-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.integration-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 4px;
}

.integration-logo {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
}

.integration-icon-bitrix { background: linear-gradient(135deg, #2fc7f5 0%, #1a7fa8 100%); }
.integration-icon-whatsapp { background: linear-gradient(135deg, #25d366 0%, #128c7e 100%); }
.integration-icon-olx { background: linear-gradient(135deg, #002f34 0%, #005662 100%); }
.integration-icon-asterisk { background: linear-gradient(135deg, #f37021 0%, #c95a1a 100%); }
.integration-icon-chat { background: linear-gradient(135deg, #1f93ff 0%, #0066cc 100%); }
.integration-icon-ai { background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%); }

.integration-badge {
  padding: 0.375rem 0.75rem;
  background: rgba(31, 111, 235, 0.1);
  color: var(--primary);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

html[data-theme="dark"] .integration-badge {
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary);
}

.integration-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.integration-description {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  min-height: 48px;
}

.integration-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.integration-link:hover {
  gap: 0.75rem;
  text-decoration: none;
}

.integration-link svg {
  transition: transform 0.2s ease;
}

.integration-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================
   Features Section
   ========================================== */
.features-section {
  padding: var(--landing-spacing-section) 0;
  background: var(--bg-base);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 8px 24px rgba(31, 111, 235, 0.25);
}

html[data-theme="dark"] .feature-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.2);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.feature-description {
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
  padding: var(--landing-spacing-section) 0;
  background: var(--hero-gradient);
}

.cta-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.cta-card {
  text-align: center;
  padding: 4rem 3rem;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cta-contact {
  color: var(--text-muted);
  font-size: 1rem;
}

.cta-contact a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.cta-contact a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ==========================================
   Button Styles (Landing-specific enhancements)
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 111, 235, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --landing-spacing-section: 80px;
  }
  
  .hero-section {
    min-height: auto;
    padding: var(--landing-spacing-mobile) 0;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .stat-divider {
    width: 100%;
    height: 1px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
  
  .integrations-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-card {
    padding: 2.5rem 2rem;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .section-container {
    padding: 0 1rem;
  }
  
  .hero-container {
    padding: 0 1rem;
  }
  
  .cta-container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* ==========================================
   Accessibility & Performance
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.integration-link:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}