/* ==========================================================================
   Page-Specific Styles
   ========================================================================== */

/* Hero Section (Home Page)
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(rgba(26, 26, 26, 0.3), rgba(26, 26, 26, 0.5)),
              url('../images/hero-background.jpg') center/cover no-repeat;
  color: var(--color-white);
  text-align: center;
}

.hero-content {
  z-index: 1;
  max-width: 800px;
  padding: var(--space-2xl);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  margin-bottom: var(--space-sm);
  opacity: 0.95;
  font-weight: 300;
}

.hero-location {
  font-size: var(--fs-lg);
  opacity: 0.85;
  font-weight: 300;
  margin-bottom: var(--space-3xl);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-3xl);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--fs-2xl);
  color: var(--color-white);
  opacity: 0.7;
  cursor: pointer;
}

.scroll-arrow {
  display: block;
}

/* Featured Section
   ========================================================================== */

.featured-section {
  background-color: var(--color-gray-100);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.featured-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  background-color: var(--color-gray-300);
}

.featured-item a {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

.featured-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: translateY(0);
  opacity: 1;
  transition: all var(--transition-base);
}

.featured-item:hover .featured-overlay {
  transform: translateY(0);
  opacity: 0;
}

.featured-title {
  font-size: var(--fs-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.featured-description {
  font-size: var(--fs-base);
  margin-bottom: 0;
  color: var(--color-white);
}

/* Statement Section
   ========================================================================== */

.statement-section {
  background-color: var(--color-white);
}

.statement-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.statement-quote {
  border-left: none;
  padding: 0;
  margin: 0 0 var(--space-2xl);
}

.statement-quote p {
  font-size: var(--fs-xl);
  line-height: var(--lh-loose);
  font-style: italic;
  color: var(--color-gray-700);
  margin-bottom: var(--space-lg);
}

.statement-quote cite {
  font-style: normal;
  font-size: var(--fs-base);
  color: var(--color-gray-500);
}

.statement-cta {
  margin-top: var(--space-2xl);
}

/* CTA Section
   ========================================================================== */

.cta-section {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.cta-content p {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2xl);
  color: var(--color-text-secondary);
}

/* About Page
   ========================================================================== */

.page-header {
  padding: calc(80px + var(--space-xl)) 0 var(--space-lg);
  background-color: var(--color-gray-100);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  font-size: var(--fs-lg);
  color: var(--color-gray-700);
  max-width: 700px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-4xl);
}

.about-image-container {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.about-content h2 {
  margin-top: var(--space-3xl);
}

.about-content h2:first-child {
  margin-top: 0;
}

.credentials-list {
  list-style: none;
  padding: 0;
}

.credentials-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.credentials-list li:last-child {
  border-bottom: none;
}

.cv-download {
  margin-top: var(--space-2xl);
}

/* Works/Gallery Page
   ========================================================================== */

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--fs-base);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid var(--color-gray-300);
  background-color: var(--color-white);
  color: var(--color-gray-700);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-width: 100px;
}

.filter-btn:hover {
  border-color: var(--color-black);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-btn.active {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.filter-hint {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-text-secondary, #666);
  margin-top: var(--space-lg);
  font-style: italic;
  line-height: 1.6;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-gray-100);
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  color: var(--color-white);
  padding: var(--space-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item-info {
  transform: translateY(0);
}

.gallery-item-title {
  font-size: var(--fs-lg);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.gallery-item-meta {
  font-size: var(--fs-sm);
  opacity: 0.9;
}

/* Projects Grid
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: var(--space-3xl);
}

.project-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}

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

.project-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.project-info {
  padding: var(--space-xl);
}

.project-title {
  font-size: var(--fs-2xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.project-year {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-description {
  font-size: var(--fs-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.project-view-btn {
  width: 100%;
}

/* Exhibitions List (Simple)
   ========================================================================== */

.exhibitions-list {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2xl);
}

.exhibition-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.exhibition-year-simple {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.exhibition-details h4 {
  font-size: var(--fs-lg);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-black);
}

.exhibition-details p {
  font-size: var(--fs-base);
  color: var(--color-gray-600);
  margin: 0;
}

/* Exhibitions Page (Legacy)
   ========================================================================== */

.exhibitions-timeline {
  max-width: 900px;
  margin: 0 auto;
}

.exhibition-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-base);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  transition: box-shadow var(--transition-base);
}

.exhibition-card:hover {
  box-shadow: var(--shadow-lg);
}

.exhibition-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.exhibition-year {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.exhibition-type {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.exhibition-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.exhibition-venue {
  font-size: var(--fs-lg);
  color: var(--color-gray-700);
  margin-bottom: var(--space-xs);
}

.exhibition-location {
  font-size: var(--fs-base);
  color: var(--color-gray-500);
}

.exhibition-description {
  color: var(--color-gray-700);
  line-height: var(--lh-loose);
}

/* Contact Page
   ========================================================================== */

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.contact-form {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info h2 {
  margin-bottom: var(--space-xl);
}

.contact-info p {
  margin-bottom: var(--space-lg);
  color: var(--color-gray-700);
}

.contact-details {
  list-style: none;
  padding: 0;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.contact-details li:last-child {
  border-bottom: none;
}

.contact-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.contact-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-gray-100);
  transition: all var(--transition-base);
}

.contact-social a:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.form-success,
.form-error-message {
  padding: var(--space-lg);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-lg);
}

.form-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-error-message {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Lightbox
   ========================================================================== */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease-out;
}

.lightbox-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-info {
  color: var(--color-white);
  overflow-y: auto;
  max-height: 80vh;
}

.lightbox-info h2 {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-lg);
}

.lightbox-meta {
  font-size: var(--fs-base);
  color: var(--color-gray-300);
  margin-bottom: var(--space-lg);
}

.lightbox-description {
  font-size: var(--fs-lg);
  line-height: var(--lh-loose);
  color: var(--color-gray-100);
  margin-bottom: var(--space-lg);
}

.lightbox-availability {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-base);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lightbox-availability.available {
  background-color: rgba(39, 174, 96, 0.2);
  color: #2ecc71;
  border: 1px solid #2ecc71;
}

.lightbox-availability.sold {
  background-color: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
  border: 1px solid #e74c3c;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--color-white);
  color: var(--color-white);
  font-size: var(--fs-3xl);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: 50%;
  backdrop-filter: blur(5px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox-close {
  top: var(--space-xl);
  right: var(--space-xl);
  font-size: var(--fs-4xl);
  line-height: 1;
}

.lightbox-prev {
  left: var(--space-xl);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: var(--space-xl);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox-next:hover {
  transform: translateY(-50%) scale(1.1);
}

/* Help Button & Modal
   ========================================================================== */

.help-btn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: var(--color-accent);
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 255, 0.3);
  z-index: 9999;
}

.help-btn:hover {
  background: #0000cc;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 255, 0.4);
}

.help-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.help-modal.active {
  display: flex;
}

.help-modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  max-width: 360px;
  width: 100%;
  max-height: 70vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.help-modal-content h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  padding-right: var(--space-2xl);
  color: var(--color-text-primary);
}

.help-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-text-tertiary);
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--color-bg-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-modal-close:hover {
  background: var(--color-text-primary);
  transform: scale(1.1);
}

.help-items {
  display: grid;
  gap: var(--space-md);
}

.help-item {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-gray-300);
}

.help-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.help-item h3 {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 0.125rem;
  color: var(--color-black);
}

.help-item p {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
}

/* Collapsible Sections
   ========================================================================== */

.collapsible-header {
  margin-bottom: var(--space-md);
}

.collapse-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  padding: var(--space-md) 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-family: var(--font-serif);
  color: var(--color-text);
  cursor: pointer;
  transition: opacity 0.2s;
  text-align: left;
}

.collapse-btn:hover {
  opacity: 0.7;
}

.collapse-title {
  font-weight: 600;
}

.collapse-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  stroke: var(--color-text);
}

.collapse-btn[aria-expanded="false"] .collapse-icon {
  transform: rotate(-90deg);
}

.collapsible-content {
  overflow: hidden;
}

.general-studies-section {
  margin-top: var(--space-4xl);
  padding-top: var(--space-4xl);
  border-top: 1px solid var(--color-border);
}

/* Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
  .about-grid,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .about-image-container {
    position: relative;
    top: 0;
  }

  .exhibition-header {
    flex-direction: column;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

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

  .filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-sm);
    min-width: 80px;
  }

  .collapse-btn {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .lightbox-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .lightbox-image {
    max-height: 50vh;
  }

  .lightbox-info {
    max-height: 30vh;
  }

  .lightbox-close {
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    font-size: var(--fs-2xl);
  }

  .lightbox-prev,
  .lightbox-next {
    bottom: var(--space-md);
    top: auto;
    transform: none;
    width: 40px;
    height: 40px;
  }

  .lightbox-prev {
    left: var(--space-md);
  }

  .lightbox-next {
    right: var(--space-md);
  }

  .lightbox-prev:hover,
  .lightbox-next:hover {
    transform: scale(1.1);
  }

  .help-btn {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
  }

  .help-modal-content {
    padding: var(--space-md);
    max-width: 85%;
  }

  .help-modal-content h2 {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-sm);
  }

  .help-modal-close {
    top: var(--space-sm);
    right: var(--space-sm);
    width: 26px;
    height: 26px;
    font-size: 1.125rem;
  }

  .help-items {
    gap: var(--space-sm);
  }

  .help-item {
    padding-bottom: var(--space-sm);
  }

  .help-item h3 {
    font-size: var(--fs-sm);
  }

  .help-item p {
    font-size: var(--fs-xs);
  }
}

/* ==========================================================================
   Side Navigation for Artworks Page
   ========================================================================== */

.side-nav {
  position: fixed;
  left: 0;
  top: 80px; /* Below main navigation */
  width: 220px;
  height: calc(100vh - 80px);
  background-color: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  z-index: 100;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.side-nav-content {
  padding: var(--space-2xl) var(--space-lg);
}

.side-nav-title {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  margin-bottom: var(--space-xl);
  padding: 0 var(--space-sm);
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.side-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.side-nav-list li {
  margin-bottom: var(--space-sm);
}

.side-nav-link {
  display: block;
  padding: var(--space-md) var(--space-md);
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
  position: relative;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.side-nav-link:hover {
  color: var(--color-accent);
  background-color: rgba(0, 0, 255, 0.05);
}

.side-nav-link.active {
  color: var(--color-accent);
  background-color: rgba(0, 0, 255, 0.1);
  font-weight: 400;
}

.side-nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 70%;
  background-color: var(--color-accent);
  border-radius: 0 2px 2px 0;
}

/* Adjust main content when side nav is present */
.main-with-sidenav {
  margin-left: 220px;
}

/* Adjust footer when side nav is present */
.main-with-sidenav ~ .footer {
  margin-left: 220px;
}

/* Mobile responsive */
@media (max-width: 1024px) {
  .side-nav {
    transform: translateX(-100%);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }

  .side-nav.mobile-open {
    transform: translateX(0);
  }

  .main-with-sidenav {
    margin-left: 0;
  }

  .main-with-sidenav ~ .footer {
    margin-left: 0;
  }

  /* Mobile toggle button */
  .side-nav-toggle {
    position: fixed;
    left: var(--space-md);
    top: 90px;
    width: 44px;
    height: 44px;
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 101;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    color: var(--color-white);
  }

  .side-nav-toggle:hover {
    background-color: var(--color-gray-700);
    transform: scale(1.05);
  }

  .side-nav-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
  }
}

@media (max-width: 768px) {
  .side-nav {
    width: 280px;
  }

  .side-nav-toggle {
    top: 80px;
    left: var(--space-sm);
  }
}