/* ================================================
   KURUMSAL.CSS - Corporate Category Unified Components
   Version: 3.2 - REVISED: No CSS Custom Properties
   
   Bu dosya TÜM kurumsal sayfaları için reusable components içerir:
   - Hakkımızda
   - Uzman Ekibimiz
   - Belgeler ve Sertifikalar
   - İnovasyon
   
   YAKLAŞIM: Sektörler ve Hizmetlerimiz ile AYNI mantık
   - CSS: Unified components
   - HTML: Page-specific content (pagecontent column'unda)
   
   CSS Custom Properties: GEREKSİZ
   Body Classes: GEREKSİZ
   ================================================ */

/* ================================================
   HERO SECTION - Unified for all corporate pages
   ================================================ */
.hero-section {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
  padding: var(--space-20) 0;
  color: var(--text-white);
  position: relative;
  overflow: hidden;
  min-height: 500px;
  margin-bottom: var(--space-12);
  border-radius: var(--radius-2xl);
}

/* Decorative background pattern */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
  z-index: var(--z-base);
}

.hero-section .container {
  position: relative;
  z-index: var(--z-content-ui);
}

/* Hero Content */
.hero-content {
  color: var(--text-white);
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-green), #059669);
  color: var(--text-white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-lg);
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  color: var(--text-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* ================================================
   STAT CARDS - For statistics display
   Used in: Hakkımızda, İnovasyon
   ================================================ */
.stat-grid {
  display: grid;
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.stat-card strong {
  display: block;
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--primary-blue);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.stat-card span {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ================================================
   TEAM CARDS - For team members
   Used in: Uzman Ekibimiz
   ================================================ */
.team-grid {
  display: grid;
  gap: var(--space-8);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.team-card {
  background: var(--bg-white);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  border: 4px solid var(--border-light);
}

.team-avatar i {
  font-size: var(--text-4xl);
  color: var(--text-white);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}

.team-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.team-role {
  color: var(--primary-blue);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.team-bio {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

/* ================================================
   TECH/INNOVATION CARDS - For technologies
   Used in: İnovasyon
   ================================================ */
.tech-grid {
  display: grid;
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tech-card {
  background: var(--bg-white);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
}

.tech-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.tech-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  transition: transform var(--transition-base);
}

.tech-card:hover .tech-icon {
  transform: scale(1.1) rotate(5deg);
}

.tech-icon i {
  font-size: var(--text-3xl);
  color: var(--text-white);
}

.tech-card h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-top: var(--space-3);
}

/* ================================================
   CERTIFICATE CARDS - For documents/certificates
   Used in: Belgeler ve Sertifikalar
   ================================================ */
.certificate-grid {
  display: grid;
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .certificate-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .certificate-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.certificate-card {
  background: var(--bg-white);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-green);
  transition: height var(--transition-base);
}

.certificate-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.certificate-card:hover::before {
  height: 100%;
}

.certificate-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-green), #059669);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.certificate-icon i {
  font-size: var(--text-3xl);
  color: var(--text-white);
}

.certificate-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.certificate-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.certificate-date {
  display: block;
  color: var(--primary-blue);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  margin-top: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ================================================
   CONTENT SECTIONS - General sections
   ================================================ */
.content-section {
  padding: var(--space-16) 0;
}

.content-section.bg-light {
  background: var(--bg-light);
}

.content-section.bg-white {
  background: var(--bg-white);
}

.section-badge {
  display: inline-block;
  background: var(--primary-blue);
  color: var(--text-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 800px;
}

/* ================================================
   FEATURE CARDS - General feature display
   ================================================ */
.feature-grid {
  display: grid;
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-white);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--primary-blue);
  transition: height var(--transition-base);
}

.feature-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-icon i {
  font-size: var(--text-2xl);
  color: var(--text-white);
}

.feature-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-base);
}

/* ================================================
   VALUE CARDS - Two-column cards with icon
   ================================================ */
.value-grid {
  display: grid;
  gap: var(--space-8);
  margin: var(--space-12) 0;
}

@media (min-width: 768px) {
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--border-light);
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-lg);
  transform: translateX(8px);
}

.value-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon i {
  font-size: var(--text-3xl);
  color: var(--text-white);
}

.value-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.value-content p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ================================================
   CTA SECTION - Call to action
   ================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  padding: var(--space-20) 0;
  color: var(--text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  margin: var(--space-16) 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
}

.cta-description {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  background: var(--text-white);
  color: var(--primary-blue);
  padding: var(--space-4) var(--space-10);
  border-radius: var(--radius-full);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.cta-button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-2xl);
  background: var(--accent-green);
  color: var(--text-white);
}

/* ================================================
   TIMELINE - For company history
   ================================================ */
.timeline {
  position: relative;
  padding: var(--space-10) 0;
  margin: var(--space-12) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: var(--border-light);
}

.timeline-item {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  position: relative;
}

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

.timeline-content {
  flex: 1;
  background: var(--bg-white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 2px solid var(--border-light);
  transition: all var(--transition-base);
}

.timeline-content:hover {
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-lg);
}

.timeline-year {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-blue);
  color: var(--text-white);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  box-shadow: var(--shadow-lg);
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 400px;
    padding: var(--space-16) 0;
  }
  
  .hero-title {
    font-size: var(--text-2xl);
  }
  
  .hero-description {
    font-size: var(--text-base);
  }
  
  .value-card {
    flex-direction: column;
    text-align: center;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-item {
    flex-direction: column !important;
    padding-left: 60px;
  }
  
  .timeline-year {
    left: 30px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--text-xl);
  }
  
  .section-title {
    font-size: var(--text-xl);
  }
  
  .cta-title {
    font-size: var(--text-2xl);
  }
}

/* ================================================
   UTILITY CLASSES
   ================================================ */
.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }