/* ==============================================
   PORTFOLIO SECTIONS - REFINED LAYOUT SYSTEM
   Consistent spacing, typography, and visual hierarchy
   ============================================== */

/* Section Container Base */
section {
  position: relative;
  animation: sectionFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes sectionFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Header - Consistent across all sections */
.section-header {
  margin-bottom: 2rem;
  position: relative;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-header h2 .relative.z-10 {
  position: relative;
  z-index: 10;
}

.section-header h2 .absolute {
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary) 0%, transparent 100%);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-top: 0.75rem;
  max-width: 48rem;
}

/* ============================================
   SUMMARY SECTION
   ============================================ */

.summary-content {
  position: relative;
}

/* Summary Grid Layout */
.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .summary-grid {
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
  }
}

/* Summary Main Content Card */
.summary-main-card {
  background: var(--bg-elevated);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-default);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.summary-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0.8;
}

.summary-main-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-primary);
}

.summary-main-card p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.summary-main-card p:last-child {
  margin-bottom: 0;
}

/* Summary Sidebar Card */
.summary-sidebar-card {
  background: var(--bg-elevated);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-default);
  height: 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.summary-sidebar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-gold), var(--accent-secondary));
  opacity: 0.8;
}

.summary-sidebar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-gold);
}

.summary-sidebar-card h3 {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-sidebar-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-sidebar-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.625rem 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.summary-sidebar-card li:last-child {
  border-bottom: none;
}

.summary-sidebar-card li:hover {
  color: var(--text-primary);
  padding-left: 0.5rem;
}

.summary-sidebar-card li i {
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 0.125rem;
  font-size: 0.875rem;
}

/* ============================================
   EDUCATION SECTION
   ============================================ */

.education-card {
  border-radius: 12px;
  border: 1px solid var(--border-default);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.education-card:last-child {
  margin-bottom: 0;
}

.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-gold));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.education-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-primary);
}

/* Education Card Header */
.education-header {
  background: var(--bg-elevated);
  padding: 2rem;
  position: relative;
}

.education-header-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .education-header-content {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.education-title-section h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.education-university {
  color: var(--accent-primary);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
}

.education-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .education-meta {
    align-items: flex-end;
  }
}

.education-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-gold);
  font-size: 0.9375rem;
  font-weight: 500;
}

.education-meta-item i {
  font-size: 0.875rem;
}

/* Education Card Body */
.education-body {
  padding: 2rem;
  background: var(--bg-primary);
}

.education-overview {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border-default);
}

.education-overview h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.education-overview h4 i {
  color: var(--accent-primary);
}

.education-overview p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.education-overview p:last-child {
  margin-bottom: 0;
}

.education-highlight {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */

.certifications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

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

/* Certification Card */
.certification-card {
  border-radius: 12px;
  border: 1px solid var(--border-default);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg-primary);
}

.certification-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: var(--accent-primary);
}

/* Certification Header */
.certification-header {
  background: var(--bg-elevated);
  padding: 1.5rem;
  position: relative;
}

.certification-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-gold));
}

.certification-header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.certification-icon {
  padding: 0.875rem;
  background: var(--bg-navy-dark);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.certification-card:hover .certification-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.certification-icon i {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.certification-title-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.certification-issuer {
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Certification Body */
.certification-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.certification-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-tertiary);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-accent);
}

.certification-date i {
  color: var(--accent-primary);
}

.certification-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Certification Footer */
.certification-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  flex-wrap: wrap;
}

.certification-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.certification-tag {
  background: var(--bg-navy-dark);
  color: var(--accent-gold);
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.certification-tag:hover {
  background: var(--accent-gold);
  color: var(--bg-navy-dark);
  transform: scale(1.05);
}

.certification-verify-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.certification-verify-link:hover {
  color: var(--text-primary);
  gap: 0.5rem;
}

.certification-verify-link i {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.certification-verify-link:hover i {
  transform: translateX(2px) translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .section-header h2 {
    font-size: 1.75rem;
  }

  .summary-main-card,
  .summary-sidebar-card,
  .education-header,
  .education-body,
  .certification-header,
  .certification-body {
    padding: 1.5rem;
  }

  .education-title-section h3 {
    font-size: 1.25rem;
  }

  .certification-header-content {
    gap: 0.75rem;
  }

  .certification-icon {
    padding: 0.75rem;
  }

  .certification-icon i {
    font-size: 1.25rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  section,
  .summary-main-card,
  .summary-sidebar-card,
  .education-card,
  .certification-card,
  .certification-icon {
    animation: none;
    transition: none;
  }
}