/* About Page Styles */

/* About Hero */
.about-hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
  overflow: hidden;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.about-hero-content {
  position: relative;
  z-index: 1;
}

.about-hero .badge {
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  padding: var(--space-1) var(--space-4);
}

.about-hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

.about-hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Platform Intro */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-intro-text h2 {
  margin-bottom: var(--space-5);
}

.about-intro-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.about-intro-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.intro-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-normal);
}

.intro-stat:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.intro-stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.intro-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Core Advantages */
.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.about-feature-card {
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-normal);
}

.about-feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.about-feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: var(--feature-color, var(--color-primary));
}

.about-feature-icon svg {
  width: 28px;
  height: 28px;
}

.about-feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.about-feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.team-card {
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-normal);
}

.team-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0 auto var(--space-4);
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 2px var(--border-color);
}

.team-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.team-role {
  font-size: 0.875rem;
  color: var(--color-secondary);
  font-weight: 500;
  display: block;
  margin-bottom: var(--space-3);
}

.team-bio {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: var(--space-8);
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--bg-body);
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.2);
}

.timeline-content {
  width: calc(50% - var(--space-8));
  padding: var(--space-5);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: var(--space-2);
}

.timeline-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form {
  padding: var(--space-6);
}

.contact-form h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.contact-form .form-group {
  margin-bottom: var(--space-4);
}

.contact-form .btn {
  margin-top: var(--space-2);
}

.contact-form .btn svg {
  width: 16px;
  height: 16px;
}

.contact-info-card {
  padding: var(--space-6);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-5);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.contact-info-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: var(--space-3);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 var(--space-5) var(--space-4);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Legal Section */
.legal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.legal-card {
  padding: var(--space-6);
}

.legal-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-light);
}

.legal-content {
  max-height: 400px;
  overflow-y: auto;
  padding-right: var(--space-3);
}

.legal-content h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-4) 0 var(--space-2);
}

.legal-content h3:first-child {
  margin-top: 0;
}

.legal-content p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

/* Responsive */
@media (max-width: 1023px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .legal-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 50px;
  }
  
  .timeline-dot {
    left: 20px;
    transform: translateX(-50%);
  }
  
  .timeline-content {
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}

@media (max-width: 767px) {
  .about-hero-title {
    font-size: 1.75rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .about-intro-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  .intro-stat-num {
    font-size: 1.5rem;
  }
}