/* ========================================
   CSS VARIABLES (Design Tokens)
   ======================================== */
:root {
  /* Colors - Primary */
  --color-primary-dark: #0F5D4E;
  --color-primary-light: #12795F;
  --color-primary-hover: #0A4A3D;
  
  /* Colors - Accent */
  --color-accent-yellow: #FFD166;
  --color-accent-yellow-hover: #FFC64D;
  
  /* Colors - Neutral */
  --color-neutral-darkest: #1F2937;
  --color-neutral-dark: #374151;
  --color-neutral-medium: #6B7280;
  --color-neutral-light: #E5E7EB;
  --color-neutral-lightest: #F3F4F6;
  --color-neutral-white: #FFFFFF;
  
  /* Colors - Semantic */
  --color-success: #16A34A;
  --color-error: #DC2626;
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing Scale (4px base) */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  
  /* Container */
  --container-max-width: 80rem;
  
  /* Dark Mode Colors (inherited in dark mode) */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F3F4F6;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
}  
/* Dark Mode Palette */
[data-theme="dark"] {
  /* Backgrounds */
  --bg-primary: #1A1F28;
  --bg-secondary: #1A1F28;

  /* Text */
  --text-primary: #D1D5DB; /* body text */
  --text-secondary: #9CA3AF; /* muted text */
  --heading-color: #FFFFFF;

  /* Borders */
  --border-color: #1F2937;

  /* Surfaces */
  --color-neutral-white: #2D3542; /* cards */
  --color-neutral-lightest: #1A1F28; /* section bg */
  --color-neutral-light: #1F2937; /* nested surfaces/borders */
  --color-neutral-medium: #9CA3AF;
  --color-neutral-dark: #D1D5DB;
  --color-neutral-darkest: #FFFFFF;

  /* Accents */
  --accent-green: #10B981;
  --accent-green-hover: #059669;
  --accent-green-10: rgba(16,185,129,0.10);
  --status-red: #F87171;
  --status-blue: #60A5FA;
  --status-green: #34D399;
}

/* ========================================
   PAGE: BLOG DETAIL
   ======================================== */

main {
  padding-top: 0;
}

.blog-detail-header {
  background-color: #F3F4F6;
  margin-top: 5rem;
  padding: 2rem 0;
  border-bottom: 1px solid #E5E7EB;
}

.blog-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #0F5D4E;
  font-weight: 600;
  margin-bottom: 1rem;
  transition: color 150ms ease-in-out;
  text-decoration: none;
}

.blog-detail-back:hover {
  color: #0A4A3D;
}

.blog-detail-category {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #0F5D4E;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  clear: both;
  width: 100%;
}

.blog-detail-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 1.5rem;
  line-height: 1.3;
  clear: both;
  width: 100%;
}

/* Add clearfix to ensure proper separation */
.blog-detail-header .container::after {
  content: "";
  display: table;
  clear: both;
}

.blog-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: #6B7280;
  margin-bottom: 2rem;
}

.blog-detail-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-detail-content {
  padding: 4rem 0;
  background-color: #fff;
}

.blog-detail-article {
  max-width: 48rem;
  margin: 0 auto;
}

.blog-detail-image {
  font-size: 4rem;
  text-align: center;
  margin-bottom: 2rem;
}

.blog-detail-image img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.article-content {
  color: #374151;
  line-height: 1.8;
}

.article-content .lead {
  font-size: 1.25rem;
  font-weight: 500;
  color: #1F2937;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.article-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1F2937;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.article-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1F2937;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content strong {
  color: #1F2937;
  font-weight: 600;
}

.article-content .highlight {
  background-color: #FFD166;
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  font-weight: 600;
  color: #1F2937;
}

.article-content .formula-box {
  background-color: #F3F4F6;
  border-left: 4px solid #0F5D4E;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0.5rem;
}

.article-content .callout {
  background-color: #FEF3C7;
  border-left: 4px solid #FFD166;
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0.5rem;
}

.article-content .callout p {
  margin: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.article-content table th {
  background-color: #0F5D4E;
  color: white;
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
}

.article-content table td {
  padding: 0.75rem;
  border-bottom: 1px solid #E5E7EB;
}

.article-content table tr:nth-child(even) {
  background-color: #F9FAFB;
}

.blog-detail-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid #E5E7EB;
}

.blog-detail-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.blog-detail-author-avatar {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, #0F5D4E, #12795F);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.blog-detail-author-name {
  font-weight: 700;
  color: #1F2937;
}

.blog-detail-author-title {
  font-size: 0.875rem;
  color: #6B7280;
}

.blog-detail-share {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 2px solid #0F5D4E;
  border-radius: 0.5rem;
  color: #0F5D4E;
  font-weight: 600;
  transition: all 200ms ease-in-out;
  background-color: transparent;
  cursor: pointer;
}

.blog-detail-share:hover {
  background-color: #0F5D4E;
  color: white;
}

.related-articles {
  padding: 4rem 0;
  background-color: #F3F4F6;
}

.related-articles-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 2rem;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.related-article-category {
  display: inline-block;
  background-color: #DEF7EC;
  color: #03543F;
  padding: 0.25rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
  width: fit-content;
}

.related-article-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 1rem;
}

.related-article-link {
  color: #0F5D4E;
  font-weight: 600;
  font-size: 0.875rem;
  transition: color 150ms ease-in-out;
  text-decoration: none;
}

.related-article-link:hover {
  color: #0A4A3D;
  text-decoration: underline;
}

.cta-section {
  padding: 4rem 0;
  background: linear-gradient(90deg, #0F5D4E, #12795F);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .blog-detail-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .blog-detail-author {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  
  .blog-detail-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}

/* Dark Mode Palette */
[data-theme="dark"] {
  /* Backgrounds */
  --bg-primary: #1A1F28;
  --bg-secondary: #1A1F28;

  /* Text */
  --text-primary: #D1D5DB; /* body text */
  --text-secondary: #9CA3AF; /* muted text */
  --heading-color: #FFFFFF;

  /* Borders */
  --border-color: #1F2937;

  /* Surfaces */
  --color-neutral-white: #2D3542; /* cards */
  --color-neutral-lightest: #1A1F28; /* section bg */
  --color-neutral-light: #1F2937; /* nested surfaces/borders */
  --color-neutral-medium: #9CA3AF;
  --color-neutral-dark: #D1D5DB;
  --color-neutral-darkest: #FFFFFF;

  /* Accents */
  --accent-green: #10B981;
  --accent-green-hover: #059669;
  --accent-green-10: rgba(16,185,129,0.10);
  --status-red: #F87171;
  --status-blue: #60A5FA;
  --status-green: #34D399;
}

.navbar__cta {
  display: none !important;
}

@media (min-width: 1024px) {
  .navbar__cta {
    display: inline-flex !important;
  }
}

/* Component overrides in dark mode */
[data-theme="dark"] body {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .navbar {
  background-color: rgba(17, 24, 39, 0.85) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.6) !important;
}

[data-theme="dark"] .navbar__link,
[data-theme="dark"] .navbar__dropdown-toggle,
[data-theme="dark"] .navbar__mobile-link {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .navbar__link--active,
[data-theme="dark"] .navbar__link:hover,
[data-theme="dark"] .navbar__dropdown-item:hover {
  color: var(--accent-green) !important;
}

[data-theme="dark"] .navbar__dropdown-menu,
[data-theme="dark"] .navbar__mobile-menu {
  background-color: var(--color-neutral-white) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .card {
  background-color: var(--color-neutral-white) !important;
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
}

[data-theme="dark"] .section-header__title,
[data-theme="dark"] .kpi__value,
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] .hero__title,
[data-theme="dark"] .contact-title,
[data-theme="dark"] .service-item__title {
  color: var(--heading-color) !important;
}

[data-theme="dark"] .kpi,
[data-theme="dark"] .services,
[data-theme="dark"] .benefits {
  background-color: var(--color-neutral-lightest) !important;
}

/* Dark buttons and icons */
[data-theme="dark"] .btn--primary {
  background-color: var(--accent-green) !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .btn--primary:hover {
  background-color: var(--accent-green-hover) !important;
}
[data-theme="dark"] .service-item__icon-wrapper {
  background-color: var(--accent-green-10) !important;
}
[data-theme="dark"] .service-item__icon {
  color: var(--accent-green) !important;
}
[data-theme="dark"] .service-item__problem-title { color: var(--status-red) !important; }
[data-theme="dark"] .service-item__output-title { color: var(--status-blue) !important; }

/* Dark Mode - Inline style neutralization */
[data-theme="dark"] [style*="background-color: #fff"],
[data-theme="dark"] [style*="background-color:#fff"],
[data-theme="dark"] [style*="background-color: #FFFFFF"],
[data-theme="dark"] [style*="background-color:#FFFFFF"] {
  background-color: var(--bg-secondary) !important;
}
[data-theme="dark"] [style*="background-color: #F3F4F6"],
[data-theme="dark"] [style*="background-color:#F3F4F6"] {
  background-color: var(--color-neutral-lightest) !important;
}

/* Inline text colors */
[data-theme="dark"] [style*="color: #1F2937"],
[data-theme="dark"] [style*="color:#1F2937"] { color: var(--heading-color) !important; }
[data-theme="dark"] [style*="color: #374151"],
[data-theme="dark"] [style*="color:#374151"] { color: var(--text-secondary) !important; }
[data-theme="dark"] [style*="color: #6B7280"],
[data-theme="dark"] [style*="color:#6B7280"] { color: var(--text-secondary) !important; }

/* Accent bullets and icons */
[data-theme="dark"] [style*="background-color: #0F5D4E"],
[data-theme="dark"] [style*="background-color:#0F5D4E"] { background-color: var(--accent-green) !important; }
[data-theme="dark"] svg[stroke="#0F5D4E"] { stroke: var(--accent-green) !important; }

/* Service detail page specific overrides */
[data-theme="dark"] .service-description-section,
[data-theme="dark"] .service-process-section,
[data-theme="dark"] .service-benefits-section {
  background-color: var(--color-neutral-lightest) !important;
}
[data-theme="dark"] .service-section-title,
[data-theme="dark"] .service-hero-title,
[data-theme="dark"] .service-feature-title,
[data-theme="dark"] .service-process-step-title { color: var(--heading-color) !important; }
[data-theme="dark"] .service-description-text,
[data-theme="dark"] .service-feature-description,
[data-theme="dark"] .service-process-step-description { color: var(--text-secondary) !important; }
[data-theme="dark"] .service-feature-card,
[data-theme="dark"] .service-process-card { background-color: var(--color-neutral-white) !important; border-color: var(--border-color) !important; box-shadow: var(--shadow-sm) !important; }
[data-theme="dark"] .service-feature-icon { background-color: var(--accent-green-10) !important; }
[data-theme="dark"] .service-feature-icon svg { color: var(--accent-green) !important; }
[data-theme="dark"] .service-process-arrow { color: var(--border-color) !important; }

/* FAQ - Service page */
[data-theme="dark"] .service-faq-section { background-color: var(--color-neutral-lightest) !important; }
[data-theme="dark"] .service-faq-title { color: var(--heading-color) !important; }
[data-theme="dark"] .accordion-item { border-color: var(--border-color) !important; }
[data-theme="dark"] .accordion-header { background-color: var(--color-neutral-white) !important; color: var(--text-primary) !important; }
[data-theme="dark"] .accordion-header:hover { background-color: var(--color-neutral-light) !important; }
[data-theme="dark"] .accordion-header::after { color: var(--accent-green) !important; }
[data-theme="dark"] .accordion-content { background-color: var(--color-neutral-lightest) !important; border-top-color: var(--border-color) !important; color: var(--text-secondary) !important; }

/* Contact weekly schedule */
.contact-schedule {
  margin-top: 3rem;
}

.contact-schedule__title {
  font-size: 2rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-schedule__card {
  max-width: 800px;
  margin: 0 auto;
}

.contact-schedule__table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.contact-schedule__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;
}

.contact-schedule__header-row {
  background-color: #F9FAFB;
  border-bottom: 2px solid #E5E7EB;
}

.contact-schedule__header-day,
.contact-schedule__header-hours {
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: #374151;
  text-align: left;
}

.contact-schedule__header-hours {
  text-align: right;
}

.contact-schedule__row {
  border-bottom: 1px solid #E5E7EB;
}

.contact-schedule__day,
.contact-schedule__hours {
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

.contact-schedule__day {
  color: #1F2937;
  font-weight: 500;
}

.contact-schedule__hours {
  color: #6B7280;
  text-align: right;
}

@media (max-width: 640px) {
  .contact-schedule__table {
    font-size: 0.9rem;
  }

  .contact-schedule__day,
  .contact-schedule__hours {
    padding: 0.6rem 0.75rem;
  }
}

/* Desktop-only navbar CTA */
.navbar__cta--desktop {
  display: none !important;
}

@media (min-width: 1024px) {
  .navbar__cta--desktop {
    display: inline-flex !important;
  }
}

/* Mobile navbar menu */
.navbar__mobile-menu {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1.25rem 1.25rem;
  gap: 0.25rem;
}

.navbar__mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  font-size: 0.95rem;
}

.navbar__mobile-link--parent {
  font-weight: 600;
}

.navbar__mobile-link--sub {
  padding-left: 0.5rem;
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .navbar__mobile-menu {
    padding: 0.5rem 1rem 0.75rem;
  }

  .navbar__mobile-link {
    padding: 0.4rem 0;
    font-size: 0.9rem;
  }

  .navbar__mobile-link--sub {
    padding-left: 0.4rem;
    font-size: 0.85rem;
  }

  .navbar__mobile-menu .btn {
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
  }

  .navbar__mobile-menu .btn.btn--primary,
  .navbar__mobile-menu .btn.btn--outline {
    width: 100%;
  }
}

/* Blog pages */
[data-theme="dark"] .blog-filters-section { background-color: var(--color-neutral-lightest) !important; border-bottom-color: var(--border-color) !important; }
[data-theme="dark"] .blog-grid-section { background-color: var(--bg-secondary) !important; }
[data-theme="dark"] .blog-article-card { background-color: var(--color-neutral-white) !important; }
[data-theme="dark"] .blog-article-card h3 { color: var(--heading-color) !important; }
[data-theme="dark"] .blog-article-card p { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog-article-card .blog-meta { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog-article-card .blog-date { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog-article-card .blog-read-more { color: var(--accent-green) !important; }
[data-theme="dark"] .blog-article-card .blog-read-more:hover { color: var(--accent-green-hover) !important; }
[data-theme="dark"] .blog-category-badge { background-color: var(--color-neutral-light) !important; color: var(--text-primary) !important; }

/* Blog grid layout */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* Blog filters section */
.blog-filters-section {
  padding: 2rem 0;
  background-color: #F9FAFB;
  border-bottom: 1px solid #E5E7EB;
  overflow-x: hidden;
}

/* Blog grid section */
.blog-grid-section {
  padding: 4rem 0;
  background-color: #fff;
}

/* Blog article card */
.blog-article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Blog article image */
.blog-article-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  width: 100%;
}

.blog-article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Blog article placeholder */
.blog-article-placeholder {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  width: 100%;
  background-color: #F3F4F6;
}

/* Blog article content */
.blog-article-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Blog category badge */
.blog-category-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  width: fit-content;
  max-width: 100%;
  background-color: #F3F4F6;
  color: #374151;
  word-wrap: break-word;
  overflow-wrap: break-word;
  height: 1.75rem;
}

/* Blog title wrapper */
.blog-title-wrap {
  min-height: 3.75rem;
  margin-bottom: 0.75rem;
}

/* Blog article title */
.blog-article-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Blog description wrapper */
.blog-desc-wrap {
  min-height: 4.2rem;
  margin-bottom: 1rem;
}

/* Blog article description */
.blog-article-description {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Blog meta */
.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

/* Blog author */
.blog-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
}

/* Blog reading time */
.blog-reading-time {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
}

/* Blog footer */
.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid #E5E7EB;
  margin-top: auto;
}

/* Blog date */
.blog-date {
  font-size: 0.75rem;
}

/* Blog read more link */
.blog-read-more {
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
}

.blog-read-more:hover {
  text-decoration: underline;
}

/* Blog pagination */
.blog-pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

/* Blog empty state */
.blog-empty {
  text-align: center;
  padding: 4rem 0;
}

.blog-empty p {
  color: #6B7280;
  font-size: 1.125rem;
}

/* Blog detail */
[data-theme="dark"] .blog-detail-header { background-color: var(--color-neutral-lightest) !important; border-bottom-color: var(--border-color) !important; }
[data-theme="dark"] .blog-detail-back { color: var(--accent-green) !important; }
[data-theme="dark"] .blog-detail-back:hover { color: var(--accent-green-hover) !important; }
[data-theme="dark"] .blog-detail-title { color: var(--heading-color) !important; }
[data-theme="dark"] .blog-detail-meta { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog-detail-content { background-color: var(--bg-secondary) !important; }
[data-theme="dark"] .article-content { color: var(--text-secondary) !important; }
[data-theme="dark"] .article-content h2,
[data-theme="dark"] .article-content h3,
[data-theme="dark"] .article-content strong { color: var(--heading-color) !important; }
[data-theme="dark"] .article-content .highlight { background-color: var(--accent-green-10) !important; color: var(--heading-color) !important; }
[data-theme="dark"] .article-content .formula-box { background-color: var(--color-neutral-lightest) !important; border-left-color: var(--accent-green) !important; }
[data-theme="dark"] .article-content .callout { background-color: var(--color-neutral-light) !important; border-left-color: var(--accent-green) !important; }
[data-theme="dark"] .article-content table th { background-color: var(--accent-green) !important; }
[data-theme="dark"] .article-content table tr:nth-child(even) { background-color: var(--color-neutral-lightest) !important; }
[data-theme="dark"] .blog-detail-author-name { color: var(--heading-color) !important; }
[data-theme="dark"] .blog-detail-author-title { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog-detail-share { border-color: var(--accent-green) !important; color: var(--accent-green) !important; }
[data-theme="dark"] .blog-detail-share:hover { background-color: var(--accent-green) !important; color: #FFFFFF !important; }
[data-theme="dark"] .related-articles { background-color: var(--color-neutral-lightest) !important; }
[data-theme="dark"] .related-articles-title { color: var(--heading-color) !important; }
[data-theme="dark"] .related-article-title { color: var(--heading-color) !important; }
[data-theme="dark"] .related-article-link { color: var(--accent-green) !important; }
[data-theme="dark"] .related-article-link:hover { color: var(--accent-green-hover) !important; }
[data-theme="dark"] .cta-section { background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light)) !important; }

/* Related articles section */
.related-articles {
  padding: 4rem 0;
  background-color: #F9FAFB;
}

.related-articles-title {
  font-size: 2rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 2rem;
  text-align: center;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(302px, 1fr));
  gap: 2rem;
}

.related-articles-grid .card,
.related-articles-grid a.card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
}

.related-articles-grid a.card:hover {
  color: inherit;
}

.related-articles-grid a.card:hover .related-article-title {
  color: var(--color-primary-dark);
}

@media (max-width: 768px) {
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}

.related-article-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.related-article-link {
  color: #0F5D4E;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

.related-article-link:hover {
  color: #0A4A3D;
}

/* Blog category badges */
[data-theme="dark"] .blog-category-badge {
  background-color: var(--color-neutral-light) !important;
  color: var(--text-primary) !important;
}

/* Dark mode styles for blog section in index page */
[data-theme="dark"] .blog { background-color: var(--bg-secondary) !important; }
[data-theme="dark"] .blog__category { color: var(--accent-green) !important; }
[data-theme="dark"] .blog__title { color: var(--heading-color) !important; }
[data-theme="dark"] .blog__date { color: var(--text-secondary) !important; }
[data-theme="dark"] .blog__link { color: var(--accent-green) !important; }
[data-theme="dark"] .blog__link:hover { color: var(--accent-green-hover) !important; }

/* Category-specific colors - Light mode */
.gunes-enerjisi {
  background-color: #DEF7EC !important;
  color: #03543F !important;
}

.verimlilik {
  background-color: #DBEAFE !important;
  color: #1E40AF !important;
}

.epc {
  background-color: #EDE9FE !important;
  color: #6B21A8 !important;
}

.ruzgar {
  background-color: #FEE2E2 !important;
  color: #991B1B !important;
}

.mevzuat {
  background-color: #DEF7EC !important;
  color: #03543F !important;
}

.teknoloji {
  background-color: #FEF3C7 !important;
  color: #92400E !important;
}

/* Category-specific colors - Dark mode */
[data-theme="dark"] .gunes-enerjisi {
  background-color: rgba(16, 185, 129, 0.2) !important;
  color: #34D399 !important;
}

[data-theme="dark"] .verimlilik {
  background-color: rgba(59, 130, 246, 0.2) !important;
  color: #93C5FD !important;
}

[data-theme="dark"] .epc {
  background-color: rgba(179, 136, 255, 0.2) !important;
  color: #D8B4FE !important;
}

[data-theme="dark"] .ruzgar {
  background-color: rgba(239, 68, 68, 0.2) !important;
  color: #FCA5A5 !important;
}

[data-theme="dark"] .mevzuat {
  background-color: rgba(16, 185, 129, 0.2) !important;
  color: #34D399 !important;
}

[data-theme="dark"] .teknoloji {
  background-color: rgba(245, 158, 11, 0.2) !important;
  color: #FCD34D !important;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Inline style overrides for blog pages */
[data-theme="dark"] [style*="background-color: #fff"],
[data-theme="dark"] [style*="background-color:#fff"],
[data-theme="dark"] [style*="background-color: #FFFFFF"],
[data-theme="dark"] [style*="background-color:#FFFFFF"] {
  background-color: var(--bg-secondary) !important;
}
[data-theme="dark"] [style*="background-color: #F3F4F6"],
[data-theme="dark"] [style*="background-color:#F3F4F6"],
[data-theme="dark"] [style*="background-color: #F9FAFB"],
[data-theme="dark"] [style*="background-color:#F9FAFB"] {
  background-color: var(--color-neutral-light) !important;
}
[data-theme="dark"] [style*="background-color: #DEF7EC"],
[data-theme="dark"] [style*="background-color:#DEF7EC"] {
  background-color: var(--color-neutral-light) !important;
}
[data-theme="dark"] [style*="color: #1F2937"],
[data-theme="dark"] [style*="color:#1F2937"] { color: var(--heading-color) !important; }
[data-theme="dark"] [style*="color: #374151"],
[data-theme="dark"] [style*="color:#374151"],
[data-theme="dark"] [style*="color: #6B7280"],
[data-theme="dark"] [style*="color:#6B7280"] { color: var(--text-secondary) !important; }
[data-theme="dark"] [style*="border-bottom: 1px solid #E5E7EB"],
[data-theme="dark"] [style*="border-bottom:1px solid #E5E7EB"] { border-bottom-color: var(--border-color) !important; }
[data-theme="dark"] [style*="color: #0F5D4E"],
[data-theme="dark"] [style*="color:#0F5D4E"] { color: var(--accent-green) !important; }
[data-theme="dark"] [style*="background: linear-gradient(135deg, #0F5D4E, #12795F)"],
[data-theme="dark"] [style*="background:linear-gradient(135deg,#0F5D4E,#12795F)"] { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light)) !important; }
[data-theme="dark"] [style*="border-left: 4px solid #0F5D4E"],
[data-theme="dark"] [style*="border-left:4px solid #0F5D4E"] { border-left-color: var(--accent-green) !important; }
[data-theme="dark"] .card[style*="background-color: #F3F4F6"] { background-color: var(--color-neutral-light) !important; }
[data-theme="dark"] .card[style*="background-color:#F3F4F6"] { background-color: var(--color-neutral-light) !important; }

/* ========================================
   CONTACT PAGE: SCHEDULE TABLE
   ======================================== */
.contact-schedule {
  margin-top: 3rem;
}

.contact-schedule__title {
  font-size: 2rem;
  font-weight: bold;
  color: #1F2937;
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-schedule__card {
  overflow: hidden;
}

.contact-schedule__table-wrapper {
  overflow-x: auto;
}

.contact-schedule__table {
  width: 100%;
  border-collapse: collapse;
}

.contact-schedule__header-row {
  background-color: #F9FAFB;
  border-bottom: 2px solid #E5E7EB;
}

.contact-schedule__header-day,
.contact-schedule__header-hours {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #374151;
}

.contact-schedule__row {
  border-bottom: 1px solid #E5E7EB;
  transition: background-color 0.2s;
}

.contact-schedule__row:hover {
  background-color: #F9FAFB;
}

.contact-schedule__day,
.contact-schedule__hours {
  padding: 1rem;
  color: #374151;
}

.contact-schedule__day {
  font-weight: 500;
}

.contact-schedule__row--today {
  background-color: #F3F4F6;
}

.contact-schedule__day--today,
.contact-schedule__hours--today {
  font-weight: 700;
  color: #374151;
}

.contact-schedule__badge {
  margin-left: 0.5rem;
  padding: 0.25rem 0.5rem;
  background-color: #0F5D4E;
  color: white;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Dark mode */
[data-theme="dark"] .contact-schedule__title {
  color: var(--heading-color);
}

[data-theme="dark"] .contact-schedule__header-row {
  background-color: var(--color-neutral-light);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .contact-schedule__header-day,
[data-theme="dark"] .contact-schedule__header-hours {
  color: var(--text-primary);
}

[data-theme="dark"] .contact-schedule__row {
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .contact-schedule__row:hover {
  background-color: rgba(16, 185, 129, 0.05);
}

[data-theme="dark"] .contact-schedule__day,
[data-theme="dark"] .contact-schedule__hours {
  color: var(--text-secondary);
}

[data-theme="dark"] .contact-schedule__row--today {
  background-color: rgba(16, 185, 129, 0.15);
}

[data-theme="dark"] .contact-schedule__day--today,
[data-theme="dark"] .contact-schedule__hours--today {
  color: var(--accent-green);
  font-weight: 700;
}

[data-theme="dark"] .contact-schedule__badge {
  background-color: var(--accent-green);
  color: var(--color-neutral-darkest);
}



/* ========================================
   PAGE SYSTEM (CSS-only page navigation)
   ======================================== */
.page {
  display: none;
}

.page--active {
  display: block;
}

/* Show pages based on URL hash */
#home:target,
#services-page:target,
#about:target,
#projects:target,
#contact:target,
#blog-page:target,
#sustainability:target,
#careers:target {
  display: block;
}

/* Hide home page when other pages are targeted */
#services-page:target ~ #home,
#about:target ~ #home,
#projects:target ~ #home,
#contact:target ~ #home,
#blog-page:target ~ #home,
#sustainability:target ~ #home,
#careers:target ~ #home {
  display: none;
}


/* ========================================
   RESET & BASE STYLES
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent-yellow);
  outline-offset: 2px;
}


/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--spacing-6);
    padding-right: var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--spacing-8);
    padding-right: var(--spacing-8);
  }
}

.sr-only, .visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0 !important;
  border: 0 !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden;
}


/* ========================================
   COMPONENT: BUTTON
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
  padding: var(--spacing-3) var(--spacing-6);
  font-size: 1rem;
}

.btn--primary {
  background-color: var(--color-accent-yellow);
  color: var(--color-neutral-darkest);
}

.btn--primary:hover {
  background-color: var(--color-accent-yellow-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: scale(0.98);
}

.btn--secondary {
  background-color: var(--color-primary-dark);
  color: var(--color-neutral-white);
}

.btn--secondary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid #0F5D4E;
  color: #0F5D4E;
}

.btn--outline:hover {
  background-color: #0F5D4E;
  color: var(--color-neutral-white);
}

.btn--outline-white {
  background-color: transparent;
  border: 2px solid var(--color-neutral-white);
  color: var(--color-neutral-white);
}

.btn--outline-white:hover {
  background-color: var(--color-neutral-white);
  color: var(--color-primary-dark);
}

/* Dark mode button styles */
[data-theme="dark"] .btn--outline {
  border-color: #10B981;
  color: #10B981;
}

[data-theme="dark"] .btn--outline:hover {
  background-color: rgba(16, 185, 129, 0.15);
  border-color: #10B981;
  color: #10B981;
}

[data-theme="dark"] .btn--secondary {
  background-color: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--color-neutral-white);
}

[data-theme="dark"] .btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-neutral-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .btn--outline-white {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-neutral-white);
}

[data-theme="dark"] .btn--outline-white:hover {
  background-color: rgba(16, 185, 129, 0.15);
  border-color: #10B981;
  color: #10B981;
  transform: translateY(-2px);
}

.btn--sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: 0.875rem;
}

.btn--lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: 1.125rem;
}


/* ========================================
   COMPONENT: CARD
   ======================================== */
.card {
  background-color: var(--color-neutral-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-6);
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card--hover {
  transition: all var(--transition-base);
}

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

.card--center {
  text-align: center;
}

/* Project stats grid */
.project-stats {
  display: grid;
  gap: 0.5rem;
  text-align: center;
}

.project-stats--one-col {
  grid-template-columns: 1fr;
}

.project-stats--two-cols {
  grid-template-columns: 1fr 1fr;
}

/* Project cards need consistent alignment */
article.card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Ensure card content takes up available space */
article.card > *:not(:last-child) {
  flex-shrink: 0;
}

/* Make sure the content area grows to push footer to bottom */
article.card > div:not([style*="background-color:#F3F4F6"]):not([style*="display:flex"]):not(.project-stats) {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Ensure metadata section has minimum height for alignment */
article.card > div[style*="flex-direction:column"] {
  min-height: 5.5rem;
}

/* Stats box should have consistent height */
article.card > div[style*="background-color:#F3F4F6"] {
  min-height: 4.5rem;
}

/* Energy savings section */
article.card > div[style*="Enerji Tasarrufu"] {
  min-height: 2rem;
  margin-top: auto !important;
  margin-bottom: 1rem !important;
}

/* Push button to bottom */
article.card > a.btn {
  margin-top: auto;
}


/* ========================================
   COMPONENT: NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-base);
}

.navbar__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 6rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
}

/* Logo Images */
.navbar__logo-img {
  height: 5.5rem;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-base);
  max-width: 220px;
}

/* Light mode - show logo-light.png */
.navbar__logo-img--light {
  display: block;
}

.navbar__logo-img--dark {
  display: none;
}

/* Dark mode - show logo-dark.png */
[data-theme="dark"] .navbar__logo-img--light {
  display: none;
}

[data-theme="dark"] .navbar__logo-img--dark {
  display: block;
}

/* Responsive logo size */
@media (max-width: 768px) {
  .navbar__logo-img {
    height: 4rem;
    max-width: 180px;
  }
}

.navbar__logo-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__logo-icon span {
  color: var(--color-neutral-white);
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
}

.navbar__logo-text {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
}

.navbar__menu {
  display: none;
  align-items: center;
  gap: var(--spacing-6);
}

@media (min-width: 1024px) {
  .navbar__menu {
    display: flex;
  }
}

.navbar__link {
  color: var(--color-neutral-dark);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  padding: var(--spacing-2) 0;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
}

.navbar__link:hover {
  color: var(--color-primary-dark);
}

.navbar__link--active {
  color: var(--color-primary-dark);
}

.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--color-neutral-dark);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  padding: var(--spacing-2) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
}

.navbar__dropdown-toggle:hover {
  color: var(--color-primary-dark);
}

.navbar__dropdown-icon {
  transition: transform var(--transition-fast);
}

.navbar__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--spacing-2);
  min-width: 16rem;
  background-color: var(--color-neutral-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2) 0;
  border: 1px solid var(--color-neutral-light);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
}

.navbar__dropdown:hover .navbar__dropdown-menu,
.navbar__dropdown:focus-within .navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar__dropdown:hover .navbar__dropdown-icon {
  transform: rotate(180deg);
}

.navbar__dropdown-item {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-neutral-dark);
  transition: all var(--transition-fast);
}

.navbar__dropdown-item:hover {
  background-color: var(--color-neutral-lightest);
  color: var(--color-primary-dark);
}

.navbar__cta {
  display: none !important;
}

.navbar__dark-mode-btn {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__cta {
    display: inline-flex !important;
  }
  
  .navbar__dark-mode-btn {
    display: flex;
  }
}

.navbar__mobile-toggle {
  display: flex;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .navbar__mobile-toggle {
    display: none;
  }
}

.navbar__mobile-icon {
  color: var(--color-neutral-darkest);
}

.navbar__mobile-icon--close {
  display: none;
}

.navbar__mobile-checkbox {
  display: none;
}

.navbar__mobile-checkbox:checked ~ .navbar__content .navbar__mobile-toggle .navbar__mobile-icon--menu {
  display: none;
}

.navbar__mobile-checkbox:checked ~ .navbar__content .navbar__mobile-toggle .navbar__mobile-icon--close {
  display: block;
}

.navbar__mobile-menu {
  display: none;
  background-color: var(--color-neutral-white);
  border-top: 1px solid var(--color-neutral-light);
  padding: var(--spacing-4);
}

.navbar__mobile-checkbox:checked ~ .navbar__mobile-menu {
  display: block;
}

@media (min-width: 1024px) {
  .navbar__mobile-menu {
    display: none !important;
  }
}

.navbar__mobile-link {
  display: block;
  padding: var(--spacing-2) 0;
  color: var(--color-neutral-dark);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.navbar__mobile-link:hover {
  color: var(--color-primary-dark);
}

.navbar__mobile-link--sub {
  padding-left: var(--spacing-4);
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
}

.navbar__mobile-dropdown-checkbox {
  display: none;
}

.navbar__mobile-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-2) 0;
  color: var(--color-neutral-dark);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}

.navbar__mobile-dropdown-icon {
  transition: transform var(--transition-fast);
}

.navbar__mobile-dropdown-checkbox:checked ~ .navbar__mobile-dropdown-toggle .navbar__mobile-dropdown-icon {
  transform: rotate(180deg);
}

.navbar__mobile-dropdown-content {
  display: none;
  margin-top: var(--spacing-2);
}

.navbar__mobile-dropdown-checkbox:checked ~ .navbar__mobile-dropdown-content {
  display: block;
}


/* ========================================
   SECTION: HERO
   ======================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  color: var(--color-neutral-white);
  margin-top: 5rem;
  padding: 3rem 0;
}

.hero__content {
  max-width: 48rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3.75rem;
  }
}

.hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
  max-width: 60rem;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
  }
}

.hero__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background: linear-gradient(to top, var(--color-neutral-white), transparent);
}


/* ========================================
   SECTION: KPI
   ======================================== */
.kpi {
  padding: var(--spacing-12) 0;
  background-color: var(--color-neutral-lightest);
}

.kpi__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .kpi__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.kpi__item {
  text-align: center;
}

.kpi__icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-3);
}

.kpi__icon svg {
  color: var(--color-primary-dark);
}

.kpi__value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-1);
}

@media (min-width: 768px) {
  .kpi__value {
    font-size: 2.25rem;
  }
}

.kpi__label {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
}


/* ========================================
   SECTION: BENEFITS
   ======================================== */
.benefits {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.benefits__grid {
  display: grid;
  gap: var(--spacing-8);
}

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

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

.benefits__icon {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-4);
}

.benefits__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-3);
}

.benefits__description {
  color: var(--color-neutral-medium);
}


/* ========================================
   SECTION: SERVICES
   ======================================== */
.services {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-lightest);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.section-header__title {
  font-size: 2.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-4);
}

.section-header__subtitle {
  color: var(--color-neutral-medium);
  max-width: 42rem;
  margin: 0 auto;
}

.services__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
  align-items: stretch;
}

@media (min-width: 768px) {
  .services__grid {
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .services__grid {
    max-width: 1200px;
    margin: 0 auto;
    gap: 4rem;
  }
}

.services__grid .card {
  display: flex;
  flex-direction: column;
  flex: 0 0 calc(25% - 1.5rem);
  min-width: 240px;
  max-width: 280px;
}

.services__icon-wrapper {
  width: 4rem;
  height: 4rem;
  background-color: rgba(15, 93, 78, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
}

.services__icon {
  color: var(--color-primary-dark);
}

.services__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-3);
}

.services__description {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
  margin-bottom: var(--spacing-4);
  flex-grow: 1;
}

.services__link {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
  margin-top: auto;
  display: inline-block;
}

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

/* Dark Mode: Services Section */
[data-theme="dark"] .services__icon-wrapper {
  background-color: rgba(16, 185, 129, 0.1);
}

[data-theme="dark"] .services__icon {
  color: var(--accent-green);
}

[data-theme="dark"] .services__link {
  color: var(--accent-green);
}

[data-theme="dark"] .services__link:hover {
  color: var(--accent-green-hover);
}


/* ========================================
   SECTION: TIMELINE
   ======================================== */
.timeline {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.timeline__wrapper {
  position: relative;
}

.timeline__line {
  display: none;
  position: absolute;
  top: 2rem;
  left: 0;
  right: 0;
  height: 4px;
  background-color: rgba(15, 93, 78, 0.2);
}

@media (min-width: 768px) {
  .timeline__line {
    display: block;
  }
}

.timeline__grid {
  display: grid;
  gap: var(--spacing-6);
  position: relative;
}

@media (min-width: 768px) {
  .timeline__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.timeline__item {
  text-align: center;
}

.timeline__number {
  width: 4rem;
  height: 4rem;
  background-color: var(--color-primary-dark);
  color: var(--color-neutral-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
  margin: 0 auto var(--spacing-4);
  position: relative;
  z-index: 10;
}

.timeline__step {
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.timeline__description {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
}


/* ========================================
   SECTION: TESTIMONIALS
   ======================================== */
.testimonials {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-lightest);
}

.testimonials__grid {
  display: grid;
  gap: var(--spacing-8);
}

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

/* Ensure consistent card height and content alignment */
.testimonials .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.testimonials .card > *:last-child {
  margin-top: auto;
}

.testimonials__logo {
  width: 4rem;
  height: 4rem;
  background-color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-neutral-white);
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-4);
}

.testimonials__quote {
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-4);
  font-style: italic;
  flex-grow: 1;
}

.testimonials__company {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
}


/* ========================================
   SECTION: BLOG
   ======================================== */
.blog {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.blog__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-8);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.blog__link {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
}

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

.blog__grid {
  display: grid;
  gap: var(--spacing-6);
}

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

.blog__category {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-2);
  text-transform: uppercase;
}

.blog__title {
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.blog__date {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
}


/* ========================================
   SECTION: CTA
   ======================================== */
.cta {
  padding: var(--spacing-16) 0;
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light));
  color: var(--color-neutral-white);
}

.cta__content {
  text-align: center;
}

.cta__title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
  .cta__title {
    font-size: 2.25rem;
  }
}

.cta__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}


/* ========================================
   COMPONENT: FOOTER
   ======================================== */
.footer {
  background-color: var(--color-neutral-white);
  color: var(--color-neutral-darkest);
  padding: var(--spacing-12) 0;
  border-top: 1px solid var(--color-neutral-light);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

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

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.footer__column {
  display: flex;
  flex-direction: column;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo-icon span {
  color: var(--color-neutral-white);
  font-weight: var(--font-weight-bold);
}

.footer__logo-text {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
}

.footer__description {
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-4);
}

.footer__social {
  display: flex;
  gap: var(--spacing-4);
}

.footer__social-link {
  color: var(--color-neutral-medium);
  transition: color var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-primary-dark);
}

.footer__heading {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-4);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer__link {
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-dark);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
}

.footer__contact-icon {
  flex-shrink: 0;
  margin-top: var(--spacing-1);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-neutral-light);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copyright {
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer__legal-link {
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-primary-dark);
}


/* ========================================
   COMPONENT: TOAST (CSS-only notification)
   ======================================== */
.toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: none;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  color: var(--color-neutral-white);
  animation: slideIn 0.3s ease-out;
}

/* Show toast when targeted via hash */
.toast:target {
  display: flex;
}

.toast--success {
  background-color: var(--color-success);
}

.toast--error {
  background-color: var(--color-error);
}

.toast__icon {
  flex-shrink: 0;
}

.toast__message {
  font-weight: var(--font-weight-medium);
}

.toast__close {
  margin-left: var(--spacing-2);
  color: var(--color-neutral-white);
  transition: opacity var(--transition-fast);
}

.toast__close:hover {
  opacity: 0.8;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}


/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

/* Mobile-specific adjustments */
@media (max-width: 639px) {
  .hero__title {
    font-size: 2.5rem;
  }
  
  .section-header__title {
    font-size: 1.875rem;
  }
  
  .cta__title {
    font-size: 1.75rem;
  }
}

/* Tablet adjustments */
@media (min-width: 640px) and (max-width: 1023px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print styles */
@media print {
  .navbar,
  .footer,
  .toast {
    display: none;
  }
  .hero {
    padding-top: var(--spacing-8);
  }
}


/* ========================================
   COMPONENT: PAGE HERO (Reusable header)
   ======================================== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  color: var(--color-neutral-white);
  margin-top: 5rem;
  padding: 3rem 0;
}

.page-hero__content {
  max-width: 48rem;
}

.page-hero__title {
  font-size: 2.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
  .page-hero__title {
    font-size: 3rem;
  }
}

.page-hero__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 768px) {
  .page-hero__subtitle {
    font-size: 1.25rem;
  }
}

@media (min-width: 768px) {
  .page-hero {
    padding: 3rem 0;
  }
}


/* ========================================
   PAGE: ABOUT
   ======================================== */
.about-content {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.about-content__grid {
  display: grid;
  gap: var(--spacing-12);
}

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

.about-content__column {
  display: flex;
  flex-direction: column;
}

.about-content__text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  color: var(--color-neutral-dark);
}

.about-content__subtitle {
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.about-content__description {
  color: var(--color-neutral-medium);
}


/* ========================================
   PAGE: PROJECTS
   ======================================== */
.projects-impact {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-lightest);
}


/* ========================================
   PAGE: CONTACT
   ======================================== */
.contact-content {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.contact-grid {
  display: grid;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-12);
}

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

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

.contact-icon {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-4);
}

.contact-title {
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.contact-link {
  color: var(--color-neutral-medium);
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-primary-dark);
}

.contact-text {
  color: var(--color-neutral-medium);
}

/* ========================================
   /* Dark Mode - Global Component Coverage */
   [data-theme="dark"] .contact-content,
   [data-theme="dark"] .projects-impact,
   [data-theme="dark"] .services-detail {
     background-color: var(--color-neutral-lightest) !important;
   }

   [data-theme="dark"] .contact-title,
   [data-theme="dark"] .about-content__title,
   [data-theme="dark"] .section-header__title {
     color: var(--text-primary) !important;
   }

   [data-theme="dark"] .contact-link,
   [data-theme="dark"] .about-content__description,
   [data-theme="dark"] .section-header__subtitle,
   [data-theme="dark"] .project-card__description,
   [data-theme="dark"] .faq-content,
   [data-theme="dark"] .form-checkbox-label span {
     color: var(--text-secondary) !important;
   }

   [data-theme="dark"] .form-label { color: var(--text-primary) !important; }

   /* Form fields */
   [data-theme="dark"] .form-input,
   [data-theme="dark"] .form-textarea {
     background-color: var(--color-neutral-white) !important;
     color: var(--text-primary) !important;
     border-color: var(--border-color) !important;
   }
   [data-theme="dark"] .form-input:focus,
   [data-theme="dark"] .form-textarea:focus {
     border-color: var(--color-primary-light) !important;
     box-shadow: 0 0 0 3px rgba(18, 121, 95, 0.15) !important;
   }

   [data-theme="dark"] .form-link { color: var(--accent-green) !important; }

   /* Service detail & items */
   [data-theme="dark"] .service-item {
     background-color: var(--color-neutral-white) !important;
     box-shadow: var(--shadow-sm) !important;
   }
   [data-theme="dark"] .service-item__title { color: var(--text-primary) !important; }
   [data-theme="dark"] .service-item__subtitle { color: var(--text-secondary) !important; }
   [data-theme="dark"] .service-item__scope {
     background-color: var(--color-neutral-light) !important;
   }
   [data-theme="dark"] .service-item__scope-title { color: var(--text-primary) !important; }
   [data-theme="dark"] .service-item__scope-item { color: var(--text-secondary) !important; }

   /* FAQ */
   [data-theme="dark"] .faq-item { border-color: var(--border-color) !important; }
   [data-theme="dark"] .faq-summary {
     background-color: var(--color-neutral-white) !important;
     color: var(--text-primary) !important;
   }
   [data-theme="dark"] .faq-summary:hover { background-color: var(--color-neutral-light) !important; }
   [data-theme="dark"] .faq-content {
     background-color: var(--color-neutral-lightest) !important;
     border-top-color: var(--border-color) !important;
   }

   /* Project filters */
   [data-theme="dark"] .project-filter__label {
     background-color: var(--color-neutral-white) !important;
     border-color: var(--border-color) !important;
     color: var(--text-secondary) !important;
   }
   [data-theme="dark"] .project-filter__label:hover {
     border-color: var(--color-primary-dark) !important;
     color: var(--color-primary-dark) !important;
   }

   /* Project cards */
   [data-theme="dark"] .project-card { background-color: var(--color-neutral-white) !important; }
   [data-theme="dark"] .project-card__title { color: var(--text-primary) !important; }
   [data-theme="dark"] .project-card__description { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-card__meta { border-top-color: var(--border-color) !important; }
   [data-theme="dark"] .project-card__meta-item strong { color: var(--text-primary) !important; }

   /* Project detail page */
   [data-theme="dark"] .project-detail-header { background-color: var(--color-neutral-lightest) !important; border-bottom-color: var(--border-color) !important; }
   [data-theme="dark"] .project-detail-back { color: var(--accent-green) !important; }
   [data-theme="dark"] .project-detail-back:hover { color: var(--accent-green-hover) !important; }
   [data-theme="dark"] .project-detail-sector { color: var(--accent-green) !important; }
   [data-theme="dark"] .project-detail-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-detail-meta { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-detail-content { background-color: var(--bg-secondary) !important; }
   [data-theme="dark"] .project-detail-summary-text { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-detail-client { background-color: var(--color-neutral-lightest) !important; color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-section-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-section-description { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-point-text { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-results-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-results-description { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-metric-card { background-color: var(--color-neutral-white) !important; }
   [data-theme="dark"] .project-metric-value { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-metric-label { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-metric-icon { color: var(--accent-green) !important; }
   [data-theme="dark"] .project-achievements { background-color: var(--color-neutral-lightest) !important; border-color: var(--border-color) !important; }
   [data-theme="dark"] .project-achievements-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-achievement-text { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-achievement-icon { color: var(--status-green) !important; }
   [data-theme="dark"] .project-technical-details { background-color: var(--color-neutral-white) !important; }
   [data-theme="dark"] .project-technical-label { color: var(--text-secondary) !important; }
   [data-theme="dark"] .project-technical-value { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-details-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-timeline-phase { color: var(--heading-color) !important; }
   [data-theme="dark"] .project-timeline-duration { color: var(--text-secondary) !important; }
   [data-theme="dark"] .related-projects { background-color: var(--color-neutral-lightest) !important; }
   [data-theme="dark"] .related-projects-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .related-project-category { background-color: var(--color-neutral-light) !important; color: var(--text-primary) !important; }
   [data-theme="dark"] .related-project-title { color: var(--heading-color) !important; }
   [data-theme="dark"] .related-project-meta { color: var(--text-secondary) !important; }
   [data-theme="dark"] .related-project-link { color: var(--accent-green) !important; }
   [data-theme="dark"] .related-project-link:hover { color: var(--accent-green-hover) !important; }
   [data-theme="dark"] .project-testimonial { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light)) !important; }
   [data-theme="dark"] .project-testimonial-info div:last-child { color: var(--color-neutral-light) !important; }
   [data-theme="dark"] .project-icon { color: var(--heading-color) !important; }

   /* Footer */
   [data-theme="dark"] .footer { background-color: var(--color-neutral-white) !important; }
   [data-theme="dark"] .footer__heading,
   [data-theme="dark"] .footer__logo-text,
   [data-theme="dark"] .footer__description,
   [data-theme="dark"] .footer__copyright,
   [data-theme="dark"] .footer__legal-link,
   [data-theme="dark"] .footer__link {
     color: var(--color-neutral-darkest) !important;
   }
   [data-theme="dark"] .footer__legal-link:hover,
   [data-theme="dark"] .footer__link:hover { color: var(--color-primary-dark) !important; }
   [data-theme="dark"] .footer__logo-icon { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light)) !important; }
   [data-theme="dark"] .footer__logo-icon span { color: var(--color-neutral-white) !important; }

   /* Toast */
   [data-theme="dark"] .toast { background-color: var(--color-neutral-white) !important; color: var(--text-primary) !important; }

/* ========================================
   COMPONENT: FORMS
   ======================================== */
.contact-form-wrapper {
  max-width: 48rem;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-top: var(--spacing-6);
}

.form-row {
  display: grid;
  gap: var(--spacing-4);
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.form-required {
  color: #EF4444;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--color-neutral-light);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-neutral-darkest);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-dark);
  box-shadow: 0 0 0 3px rgba(15, 93, 78, 0.1);
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: #EF4444;
}

.form-input:valid:not(:placeholder-shown),
.form-textarea:valid:not(:placeholder-shown) {
  border-color: #10B981;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
}

.form-checkbox {
  margin-top: var(--spacing-1);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox-label span {
  font-size: 0.875rem;
  color: var(--color-neutral-dark);
}

.form-link {
  color: var(--color-primary-dark);
  transition: color var(--transition-fast);
}

.form-link:hover {
  text-decoration: underline;
}


/* ========================================
   SERVICES DETAIL PAGE
   ======================================== */
.services-detail {
  padding: var(--spacing-16) 0;
  background-color: var(--color-neutral-white);
}

.services-detail__content {
  max-width: 56rem;
  margin: 0 auto;
}

.services-detail__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

/* Service Item Component */
.service-item {
  background-color: var(--color-neutral-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-6);
  transition: box-shadow var(--transition-base);
}

.service-item:hover {
  box-shadow: var(--shadow-xl);
}

.service-item__header {
  display: grid;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
  .service-item__header {
    grid-template-columns: auto 1fr;
  }
}

.service-item__icon-wrapper {
  width: 4rem;
  height: 4rem;
  background-color: rgba(15, 93, 78, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-item__icon {
  color: var(--color-primary-dark);
}

.service-item__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-2);
}

.service-item__subtitle {
  color: var(--color-neutral-medium);
}

.service-item__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.service-item__columns {
  display: grid;
  gap: var(--spacing-4);
}

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

.service-item__column {
  display: flex;
  flex-direction: column;
}

.service-item__problem-title {
  font-weight: var(--font-weight-semibold);
  color: #DC2626;
  margin-bottom: var(--spacing-2);
  font-size: 0.875rem;
}

.service-item__solution-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-2);
  font-size: 0.875rem;
}

.service-item__output-title {
  font-weight: var(--font-weight-semibold);
  color: #2563EB;
  margin-bottom: var(--spacing-2);
  font-size: 0.875rem;
}

.service-item__text {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
}

.service-item__scope {
  background-color: var(--color-neutral-lightest);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
}

.service-item__scope-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-3);
}

.service-item__scope-grid {
  display: grid;
  gap: var(--spacing-2);
}

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

.service-item__scope-item {
  font-size: 0.875rem;
  color: var(--color-neutral-dark);
}


/* ========================================
   COMPONENT: FAQ ACCORDION
   ======================================== */
.faq-item {
  border: 1px solid var(--color-neutral-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-3);
  overflow: hidden;
}

/* Category-specific colors - Light mode */
.gunes-enerjisi {
  background-color: #DEF7EC !important;
  color: #03543F !important;
}

.verimlilik {
  background-color: #DBEAFE !important;
  color: #1E40AF !important;
}

.epc {
  background-color: #EDE9FE !important;
  color: #6B21A8 !important;
}

.ruzgar {
  background-color: #FEE2E2 !important;
  color: #991B1B !important;
}

.mevzuat {
  background-color: #DEF7EC !important;
  color: #03543F !important;
}

.teknoloji {
  background-color: #FEF3C7 !important;
  color: #92400E !important;
}

/* Category-specific colors - Dark mode */
[data-theme="dark"] .gunes-enerjisi {
  background-color: rgba(16, 185, 129, 0.2) !important;
  color: #34D399 !important;
}

[data-theme="dark"] .verimlilik {
  background-color: rgba(59, 130, 246, 0.2) !important;
  color: #93C5FD !important;
}

[data-theme="dark"] .epc {
  background-color: rgba(179, 136, 255, 0.2) !important;
  color: #D8B4FE !important;
}

[data-theme="dark"] .ruzgar {
  background-color: rgba(239, 68, 68, 0.2) !important;
  color: #FCA5A5 !important;
}

[data-theme="dark"] .mevzuat {
  background-color: rgba(16, 185, 129, 0.2) !important;
  color: #34D399 !important;
}

[data-theme="dark"] .teknoloji {
  background-color: rgba(245, 158, 11, 0.2) !important;
  color: #FCD34D !important;
}

.faq-summary {
  padding: var(--spacing-4);
  background-color: var(--color-neutral-white);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-darkest);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-fast);
}

.faq-summary:hover {
  background-color: var(--color-neutral-lightest);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  font-weight: bold;
  transition: transform var(--transition-base);
}

.faq-item[open] .faq-summary::after {
  content: '−';
}

.faq-content {
  padding: var(--spacing-4);
  background-color: var(--color-neutral-lightest);
  border-top: 1px solid var(--color-neutral-light);
  color: var(--color-neutral-dark);
  line-height: 1.6;
}


/* ========================================
   COMPONENT: PROJECT FILTERS
   ======================================== */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  justify-content: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 640px) {
  .project-filters {
    justify-content: flex-start;
    flex-wrap: nowrap;
    padding: 0 1rem;
  }
  
  .project-filter__label {
    flex-shrink: 0;
    white-space: nowrap;
  }
}

.project-filter__radio {
  display: none;
}

.project-filter__label {
  padding: var(--spacing-3) var(--spacing-5);
  background-color: var(--color-neutral-white);
  border: 2px solid var(--color-neutral-light);
  border-radius: var(--radius-md);
  color: var(--color-neutral-dark);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-filter__label:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

.project-filter__radio:checked + .project-filter__label {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-neutral-white);
}


/* ========================================
   COMPONENT: PROJECT CARDS
   ======================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-6);
}

.project-card {
  background-color: var(--color-neutral-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.project-card__image {
  width: 100%;
  overflow: hidden;
}

.project-card__content {
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card__category {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-neutral-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-3);
  width: fit-content;
}

.project-card__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  margin-bottom: var(--spacing-3);
  line-height: 1.3;
}

.project-card__description {
  color: var(--color-neutral-dark);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-4);
  flex-grow: 1;
}

.project-card__meta {
  display: flex;
  gap: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-neutral-light);
}

.project-card__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-card__meta-item strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-darkest);
  font-size: 0.875rem;
}

.project-card__meta-item span {
  font-size: 0.75rem;
  color: var(--color-neutral-gray);
}

/* CSS-only filtering */
#filter-solar:checked ~ .container .projects-grid .project-card:not([data-category="solar"]) {
  display: none;
}

#filter-wind:checked ~ .container .projects-grid .project-card:not([data-category="wind"]) {
  display: none;
}

#filter-efficiency:checked ~ .container .projects-grid .project-card:not([data-category="efficiency"]) {
  display: none;
}

@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .project-card__meta {
    flex-direction: column;
    gap: var(--spacing-2);
  }
}


/* ========================================
   DARK MODE TOGGLE BUTTON
   ======================================== */
.navbar__dark-mode-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: var(--spacing-4);
  background-color: transparent;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  transition: all var(--transition-base);
  color: var(--text-primary);
  cursor: pointer;
}

.navbar__dark-mode-btn:hover {
  background-color: var(--bg-secondary);
  border-color: var(--color-primary-dark);
}

.navbar__dark-mode-icon {
  position: absolute;
  transition: opacity var(--transition-base), transform var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__dark-mode-icon--sun {
  opacity: 1;
  transform: rotate(0deg);
}

.navbar__dark-mode-icon--moon {
  opacity: 0;
  transform: rotate(-90deg);
}

@media (max-width: 768px) {
  .navbar__dark-mode-btn {
    width: 2.25rem;
    height: 2.25rem;
    margin-left: var(--spacing-3);
  }

  .navbar__dark-mode-icon {
    width: 18px;
    height: 18px;
  }


}