/*
  About Page Styles - kodebit Studio
  Modern, responsive design with smooth animations
*/

/* About Hero Section */
.about-hero {
  position: relative;
  padding-top: 120px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 100%;
  background: 
    radial-gradient(800px 400px at 30% 20%, rgba(79, 70, 229, 0.15), transparent 70%),
    radial-gradient(600px 300px at 70% 80%, rgba(168, 85, 247, 0.12), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.about-hero-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 12px 20px;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-size: 16px;
  filter: drop-shadow(0 4px 8px rgba(79, 70, 229, 0.3));
}

.hero-title {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--muted-light);
  line-height: 1.6;
  margin-bottom: 0;
}

.about-hero-content {
  display: grid;
  gap: 48px;
  margin-top: 60px;
}

/* Stats Section */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  padding: 40px 0;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--fuchsia));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

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

.stat-number {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--indigo-light), var(--fuchsia-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* Principles Section */
.about-principles {
  max-width: 1100px;
  margin: 0 auto;
}

.about-principles h3 {
  text-align: center;
  margin-bottom: 32px;
  color: var(--text-secondary);
}

.principles-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  margin-top: 24px;
}

.principle-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all var(--transition-normal);
  min-height: 140px;
  height: 100%;
}

.principle-item:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.25);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-sm);
}

.principle-icon {
  font-size: 24px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 8px rgba(79, 70, 229, 0.3));
}

.principle-content { flex: 1; }

.principle-content h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-secondary);
}

.principle-content p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* Tech Stack Section */
.tech-stack {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  position: relative;
}

.tech-stack::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.tech-category {
  text-align: center;
}

.tech-category h3 {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 20px;
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tech-item {
  display: inline-block;
  padding: 10px 16px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-light);
  transition: all var(--transition-fast);
  cursor: default;
}

.tech-item:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Mission & Values Section */
.mission-values {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.01));
  position: relative;
}

.mission-values::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.mission-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.mission-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--fuchsia));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mission-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

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

.mission-icon {
  font-size: 48px;
  margin-bottom: 20px;
  filter: drop-shadow(0 8px 16px rgba(79, 70, 229, 0.3));
}

.mission-card h3 {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.mission-card p {
  margin-bottom: 24px;
  color: var(--muted-light);
}

.mission-list {
  list-style: none;
  padding: 0;
  text-align: left;
}

.mission-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--muted);
}

.mission-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--indigo-light);
  font-weight: bold;
}

/* Why Choose Us Section */
.why-choose {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.advantage-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--indigo-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.advantage-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

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

.advantage-icon {
  font-size: 32px;
  margin-bottom: 16px;
  filter: drop-shadow(0 6px 12px rgba(79, 70, 229, 0.3));
}

.advantage-card h3 {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 18px;
}

.advantage-card p {
  margin: 0;
  color: var(--muted-light);
  font-size: 14px;
  line-height: 1.6;
}

/* Call to Action Section */
.cta-section {
  background: 
    radial-gradient(600px 300px at 50% 50%, rgba(79, 70, 229, 0.1), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  position: relative;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 48px 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.cta-content h2 {
  margin-bottom: 16px;
  color: var(--text);
}

.cta-content p {
  margin-bottom: 32px;
  color: var(--muted-light);
  font-size: 16px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .about-hero-header {
    max-width: 700px;
  }
  
  .tech-categories {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .mission-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 960px) {
  .about-hero {
    padding-top: 100px;
    min-height: 90vh;
  }
  
  .about-hero-content {
    gap: 40px;
  }
  
  .about-stats {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
  }
  
  .tech-categories {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .mission-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .principles-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  
  .cta-content {
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  .about-hero {
    min-height: 80vh;
  }
  
  .about-hero-header {
    max-width: 100%;
    margin-bottom: 40px;
  }
  
  .hero-title {
    font-size: clamp(28px, 6vw, 42px);
  }
  
  .about-hero-content {
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .about-hero {
    padding-top: 80px;
    min-height: 75vh;
  }
  
  .hero-badge {
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .hero-title {
    font-size: clamp(24px, 7vw, 36px);
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: clamp(14px, 4vw, 18px);
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 0;
  }
  
  .principles-list {
    grid-template-columns: 1fr;
  }
  
  .stat-item {
    padding: 20px 16px;
  }
  
  .stat-number {
    font-size: clamp(24px, 6vw, 32px);
  }
  
  .principle-item {
    padding: 16px;
    gap: 12px;
    flex-direction: column;
    text-align: center;
  }
  
  .principle-icon {
    font-size: 20px;
  }
  
  .tech-items {
    gap: 8px;
  }
  
  .tech-item {
    padding: 8px 12px;
    font-size: 12px;
  }
  
  .mission-card {
    padding: 24px 20px;
  }
  
  .mission-icon {
    font-size: 40px;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .advantage-card {
    padding: 24px 20px;
  }
  
  .advantage-icon {
    font-size: 28px;
  }
  
  .cta-content {
    padding: 32px 20px;
    margin: 0 16px;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .cta-actions .btn {
    justify-content: center;
    padding: 16px 24px;
  }
}

@media (max-width: 480px) {
  .about-hero {
    padding-top: 60px;
    min-height: 70vh;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 48px 0;
  }
  
  .hero-title {
    font-size: clamp(22px, 8vw, 32px);
  }
  
  .about-stats {
    gap: 12px;
  }
  
  .stat-item {
    padding: 16px 12px;
  }
  
  .principle-item {
    padding: 12px;
  }
  
  .tech-category h3 {
    font-size: 18px;
  }
  
  .mission-card,
  .advantage-card {
    padding: 20px 16px;
  }
  
  .mission-icon,
  .advantage-icon {
    font-size: 32px;
  }
  
  .cta-content {
    padding: 24px 16px;
    margin: 0 8px;
  }
}

/* Animation delays for staggered reveals */
.reveal[data-delay="0"] { transition-delay: 0ms; }
.reveal[data-delay="100"] { transition-delay: 100ms; }
.reveal[data-delay="200"] { transition-delay: 200ms; }
.reveal[data-delay="300"] { transition-delay: 300ms; }
.reveal[data-delay="400"] { transition-delay: 400ms; }
.reveal[data-delay="500"] { transition-delay: 500ms; }

/* Hover effects for better interactivity */
@media (hover: hover) {
  .tech-item:hover {
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
  }
  
  .principle-item:hover .principle-icon {
    transform: scale(1.1);
    transition: transform var(--transition-fast);
  }
  
  .mission-card:hover .mission-icon {
    transform: scale(1.05) rotate(5deg);
    transition: transform var(--transition-normal);
  }
  
  .advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    transition: transform var(--transition-fast);
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .stat-item,
  .principle-item,
  .tech-item,
  .mission-card,
  .advantage-card {
    transition: none;
  }
  
  .principle-item:hover .principle-icon,
  .mission-card:hover .mission-icon,
  .advantage-card:hover .advantage-icon {
    transform: none;
  }
}