/* === PAGES.CSS - PAGE-SPECIFIC STYLES === */

/* Page Header (used across multiple pages) */
.page-header {
  text-align: center;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.page-header-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 16px;
  line-height: 1.2;
}

.page-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0 auto;
  max-width: 600px;
}

/* About Page Specific */
.about-content-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

.about-intro {
  margin-bottom: 50px;
}

.about-intro p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.about-intro p:first-child {
  font-size: 1.3rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Skills Section (About Page) */
.skills-section {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.skill-category {
  padding: 20px;
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.skill-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74,158,255,0.1);
  border-radius: 8px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.skill-category h3 {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  margin: 0;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-light);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-family: 'JetBrains Mono', monospace;
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.skill-tag.expert {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  font-weight: 600;
}

/* Certifications Section */
.certifications-section {
  max-width: 900px;
  margin: 0 auto;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.cert-card {
  padding: 40px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-medium);
}

.cert-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-success);
  box-shadow: var(--shadow-md);
}

.cert-badge-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16,185,129,0.1);
  border-radius: 50%;
  color: var(--color-success);
}

.cert-card h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.cert-level {
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.cert-issuer {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.cert-status {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 50px;
  color: var(--color-success);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Experience Page Specific */
.experience-timeline-section {
  max-width: 1100px;
  margin: 0 auto;
}

/* Contact Page Specific */
.contact-section {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-container {
  max-width: 900px;
  margin: 0 auto;
}

.contact-intro {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 50px;
  text-align: center;
}

/* Projects Page Specific */
.projects-section {
  max-width: 1400px;
  margin: 0 auto;
}

/* Hero Section Overrides for Different Pages */
.page-header + main {
  margin-top: 0;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .page-header {
    padding: var(--spacing-md) 0 var(--spacing-sm);
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 2.5rem;
  }

  .page-description {
    font-size: 1.05rem;
  }

  .about-intro p:first-child {
    font-size: 1.15rem;
  }

  .about-intro p {
    font-size: 1rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .skill-category {
    padding: 16px;
  }
}

@media (max-width: 640px) {
  .page-header {
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-md);
  }

  .page-header h1 {
    font-size: 2rem;
    margin-bottom: 12px;
  }

  .page-description {
    font-size: 1rem;
  }

  .contact-intro {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .cert-card {
    padding: 30px 20px;
  }

  .cert-badge-icon {
    width: 60px;
    height: 60px;
  }
}

/* Print Styles for Pages */
@media print {
  .page-header {
    page-break-after: avoid;
  }

  .section {
    page-break-inside: avoid;
  }
}

/* Dark Mode Support (if implementing theme toggle) */
@media (prefers-color-scheme: light) {
  /* Light mode overrides can go here */
  /* Currently designed for dark mode by default */
}

/* High Performance Mode */
@media (prefers-reduced-data: reduce) {
  /* Reduce animations and effects for slow connections */
  .page-header {
    animation: none;
  }
}

/* Loading States */
.page-loading {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-loaded {
  opacity: 1;
}

/* Focus States for Accessibility */
.page-header:focus-within {
  outline: none;
}

/* Smooth Transitions Between Pages */
@supports (view-transition-name: auto) {
  .page-transition {
    view-transition-name: page-content;
  }
}

/* Grid Layout Improvements */
.content-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* Utility Classes for Pages */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.max-width-narrow {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.max-width-medium {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.max-width-wide {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* Spacing Utilities */
.mt-small { margin-top: var(--spacing-sm); }
.mt-medium { margin-top: var(--spacing-md); }
.mt-large { margin-top: var(--spacing-lg); }

.mb-small { margin-bottom: var(--spacing-sm); }
.mb-medium { margin-bottom: var(--spacing-md); }
.mb-large { margin-bottom: var(--spacing-lg); }

/* Background Variations */
.bg-subtle {
  background: rgba(74,158,255,0.03);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.bg-highlight {
  background: linear-gradient(135deg, rgba(74,158,255,0.08) 0%, rgba(74,158,255,0.03) 100%);
  border: 1px solid rgba(74,158,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

/* Content Dividers */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--spacing-lg) 0;
}

.divider-thick {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: var(--spacing-xl) 0;
}

/* Callout Boxes */
.callout {
  padding: 20px 24px;
  border-left: 4px solid var(--color-accent);
  background: rgba(74,158,255,0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
}

.callout-success {
  border-left-color: var(--color-success);
  background: rgba(16,185,129,0.05);
}

.callout p {
  margin: 0;
  color: var(--color-text-primary);
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-up {
  animation: slideUp 0.6s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Skeleton Loading States (optional) */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-tertiary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-heading {
  height: 32px;
  margin-bottom: 16px;
  width: 60%;
}

.skeleton-card {
  height: 200px;
  width: 100%;
}