/* ==========================================================================
   SUPPORTS QUERY CSS - Demo específico
   Colores de brand: #2448A6 (azul) y #F5B841 (dorado)
   ========================================================================== */

/* ==========================================================================
   DEMO HEADER Y NAVEGACIÓN (REUTILIZABLE)
   ========================================================================== */

.demo-header {
  background: var(--background);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg) 0;
}

.demo-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
}

.back-link:hover {
  color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 8%, transparent);
  border-color: var(--primary-color);
  transform: translateX(-2px);
}

.back-link svg {
  transition: transform var(--transition-fast);
}

.back-link:hover svg {
  transform: translateX(-2px);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.brand-logo-small {
  flex-shrink: 0;
}

.brand-logo-small svg {
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--primary-color) 20%, transparent));
  transition: transform var(--transition-normal);
}

.brand-logo-small:hover svg {
  transform: scale(1.05);
}

.brand-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   THEME TOGGLE (REUTILIZABLE)
   ========================================================================== */

.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-normal);
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 8px 25px color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.theme-toggle:hover .theme-toggle__icon {
  color: var(--brand-white);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-toggle__icon {
  position: absolute;
  width: 18px;
  height: 18px;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  transform-origin: center;
}

:root[data-theme="light"] .theme-toggle__icon--sun,
:root:not([data-theme]) .theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

:root[data-theme="light"] .theme-toggle__icon--moon,
:root:not([data-theme]) .theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(180deg) scale(0.5);
}

:root[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(-180deg) scale(0.5);
}

:root[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
}

.theme-toggle[aria-pressed="true"] {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.theme-toggle[aria-pressed="true"] .theme-toggle__icon {
  color: var(--brand-white);
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.demo-main {
  padding: var(--spacing-3xl) 0;
}

/* ==========================================================================
   DEMO HERO SECTION
   ========================================================================== */

.demo-hero {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--primary-color) 5%, var(--background)) 0%,
    color-mix(in srgb, var(--secondary-color) 3%, var(--background)) 100%
  );
  border-radius: var(--border-radius-large);
  position: relative;
  overflow: hidden;
}

.demo-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--primary-color) 10%, transparent) 0%, transparent 70%),
    radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--secondary-color) 10%, transparent) 0%, transparent 70%);
  z-index: -1;
}

.demo-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.badge-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.badge-tag {
  background: var(--secondary-color);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.demo-hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  margin-top: var(--spacing-sm);
}

.demo-hero__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.demo-hero__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  max-width: 600px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-align: left;
}

.feature-text strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.feature-text span {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* ==========================================================================
   CAPABILITIES SECTION
   ========================================================================== */

.capabilities-section {
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.section-subtitle {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

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

/* ==========================================================================
   CAPABILITY CARDS
   ========================================================================== */

.capability-card {
  background: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--border-color);
  transition: all var(--transition-normal);
}

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

.capability-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  display: block;
}

.capability-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.capability-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.capability-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

.status-badge {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

/* Estados de las capabilities */
.capability-card[data-status="checking"] .capability-status {
  background: color-mix(in srgb, var(--info) 15%, var(--surface));
  color: var(--info);
}

.capability-card[data-status="supported"] {
  border-color: var(--success);
}

.capability-card[data-status="supported"]::before {
  background: var(--success);
}

.capability-card[data-status="supported"] .capability-status {
  background: color-mix(in srgb, var(--success) 15%, var(--surface));
  color: var(--success);
}

.capability-card[data-status="not-supported"] {
  border-color: var(--error);
  opacity: 0.7;
}

.capability-card[data-status="not-supported"]::before {
  background: var(--error);
}

.capability-card[data-status="not-supported"] .capability-status {
  background: color-mix(in srgb, var(--error) 15%, var(--surface));
  color: var(--error);
}

/* Animación de checking */
.capability-card[data-status="checking"] .status-badge::after {
  content: '...';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* ==========================================================================
   INTERACTIVE SECTION
   ========================================================================== */

.interactive-section {
  margin-bottom: var(--spacing-3xl);
}

.demo-instructions {
  background: color-mix(in srgb, var(--secondary-color) 8%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--secondary-color) 20%, var(--border-color));
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  text-align: center;
}

.instruction-text {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.instruction-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==========================================================================
   PROGRESSIVE GALLERY - FALLBACK FLEXBOX
   ========================================================================== */

/* FALLBACK: Por defecto usa Flexbox */
.progressive-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.gallery-item {
  flex: 1 1 calc(33.333% - var(--spacing-lg));
  min-width: 280px;
}

/* ==========================================================================
   @SUPPORTS: GRID MODERNO
   ========================================================================== */

@supports (display: grid) {
  .progressive-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    grid-auto-flow: dense;
  }
  
  .gallery-item {
    flex: none;
    min-width: 0;
  }
  
  /* Items especiales ocupan más espacio */
  .gallery-item:nth-child(1),
  .gallery-item:nth-child(4) {
    grid-column: span 1;
    grid-row: span 2;
  }
}

/* ==========================================================================
   GALLERY ITEMS
   ========================================================================== */

.gallery-item {
  background: var(--surface);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px color-mix(in srgb, var(--primary-color) 20%, transparent);
  border-color: var(--primary-color);
}

/* ==========================================================================
   GALLERY IMAGE
   ========================================================================== */

.gallery-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.image-emoji {
  font-size: 4rem;
  opacity: 0.6;
  transition: all var(--transition-normal);
}

.gallery-item:hover .image-emoji {
  transform: scale(1.2);
  opacity: 0.8;
}

/* ==========================================================================
   GALLERY OVERLAY - FALLBACK NORMAL
   ========================================================================== */

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* ==========================================================================
   @SUPPORTS: BACKDROP FILTER (GLASSMORPHISM)
   ========================================================================== */

@supports (backdrop-filter: blur(10px)) {
  .gallery-overlay {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
  }
}

/* ==========================================================================
   OVERLAY BUTTON
   ========================================================================== */

.overlay-button {
  background: var(--brand-white);
  color: var(--primary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.overlay-button:hover {
  transform: scale(1.1);
  background: var(--primary-color);
  color: var(--brand-white);
}

/* ==========================================================================
   GALLERY CONTENT
   ========================================================================== */

.gallery-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.gallery-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.gallery-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.gallery-meta {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.meta-tag {
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   @SUPPORTS: COLOR-MIX EN HOVER
   ========================================================================== */

@supports (background: color-mix(in srgb, red, blue)) {
  .meta-tag:hover {
    background: color-mix(in srgb, var(--primary-color) 70%, var(--secondary-color) 30%);
    transform: scale(1.05);
  }
}

.meta-date {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ==========================================================================
   GALLERY INFO
   ========================================================================== */

.gallery-info {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: color-mix(in srgb, var(--primary-color) 5%, var(--surface));
  border-radius: var(--border-radius-large);
  border: 1px solid color-mix(in srgb, var(--primary-color) 20%, var(--border-color));
}

.gallery-info__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.gallery-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.badge-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.badge-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.badge-content strong {
  color: var(--primary-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.badge-content span {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

/* Estados según soporte */
.feature-badge[data-feature="grid"] {
  border-color: var(--success);
}

.feature-badge[data-feature="backdrop"] {
  border-color: var(--info);
}

.feature-badge[data-feature="color-mix"] {
  border-color: var(--warning);
}

/* ==========================================================================
   CODE SECTION
   ========================================================================== */

.code-section {
  margin-bottom: var(--spacing-3xl);
}

.code-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.code-block {
  background: var(--surface);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.code-block.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: color-mix(in srgb, var(--primary-color) 8%, var(--surface));
  border-bottom: 1px solid var(--border-color);
}

.code-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.code-lang {
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.code-content {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  padding: var(--spacing-xl);
  margin: 0;
  overflow-x: auto;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.code-content:hover {
  background: color-mix(in srgb, var(--secondary-color) 5%, var(--background));
}

/* ==========================================================================
   USE CASES SECTION
   ========================================================================== */

.use-cases-section {
  margin-bottom: var(--spacing-3xl);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.use-case-card {
  background: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(20px);
}

.use-case-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.use-case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.use-case-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  display: block;
}

.use-case-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.use-case-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   BROWSER SUPPORT SECTION
   ========================================================================== */

.support-section {
  margin-bottom: var(--spacing-3xl);
}

.browser-support {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.browser-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.browser-item--supported {
  border-left: 4px solid var(--success);
}

.browser-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.browser-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.browser-info strong {
  color: var(--text-primary);
  font-weight: 600;
}

.browser-info span {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.support-note {
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  border: 1px solid color-mix(in srgb, var(--success) 30%, var(--border-color));
  text-align: center;
}

.support-note p {
  margin: 0;
  color: var(--text-primary);
  line-height: 1.6;
}

.support-note strong {
  color: var(--success);
  font-weight: 700;
}

/* ==========================================================================
   FOOTER (REUTILIZABLE)
   ========================================================================== */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__logo svg {
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--primary-color) 15%, transparent));
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__text {
  color: var(--text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.footer__author {
  color: var(--primary-color);
  font-weight: 600;
}

.footer__subtitle {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer__separator {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
  .demo-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .header-brand {
    position: static;
    transform: none;
  }
  
  .demo-hero {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .demo-hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .demo-hero__features {
    grid-template-columns: 1fr;
  }
  
  .feature-item {
    flex-direction: column;
    text-align: center;
  }
  
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  
  .progressive-gallery {
    grid-template-columns: 1fr;
  }
  
  .gallery-features {
    grid-template-columns: 1fr;
  }
  
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  
  .browser-support {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__brand {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  .demo-header {
    padding: var(--spacing-md) 0;
  }
  
  .gallery-image {
    height: 200px;
  }
  
  .image-emoji {
    font-size: 3rem;
  }
  
  .code-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
  
  .code-content {
    padding: var(--spacing-lg);
    font-size: var(--font-size-xs);
  }
  
  .browser-support {
    grid-template-columns: 1fr;
  }
  
  .feature-badge {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   ACCESIBILIDAD Y PREFERENCIAS
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .gallery-item,
  .capability-card,
  .code-block,
  .use-case-card {
    animation: none;
    transition: none;
  }
  
  .gallery-item:hover,
  .capability-card:hover,
  .use-case-card:hover {
    transform: none;
  }
  
  .image-emoji {
    animation: none;
  }
  
  .capability-card[data-status="checking"] .status-badge::after {
    animation: none;
  }
}

@media (prefers-contrast: high) {
  .capability-card,
  .gallery-item,
  .code-block,
  .use-case-card {
    border-width: 2px;
  }
  
  .badge-tag,
  .code-lang,
  .meta-tag {
    border: 2px solid var(--text-primary);
  }
}

/* ==========================================================================
   ANIMACIONES DE ENTRADA
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Aplicar animaciones de entrada */
.demo-hero {
  animation: fadeInUp 0.8s ease-out;
}

.capabilities-section {
  animation: slideInLeft 0.8s ease-out 0.2s both;
}

.progressive-gallery {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.back-link {
  animation: slideInRight 0.6s ease-out 0.1s both;
}

/* Animación de entrada progresiva para gallery items */
.gallery-item {
  animation: fadeInUp 0.6s ease-out both;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }

/* Animación de entrada para capability cards */
.capability-card {
  animation: fadeInUp 0.6s ease-out both;
}

.capability-card:nth-child(1) { animation-delay: 0.1s; }
.capability-card:nth-child(2) { animation-delay: 0.2s; }
.capability-card:nth-child(3) { animation-delay: 0.3s; }
.capability-card:nth-child(4) { animation-delay: 0.4s; }
.capability-card:nth-child(5) { animation-delay: 0.5s; }
.capability-card:nth-child(6) { animation-delay: 0.6s; }

/* ==========================================================================
   EFECTOS ESPECIALES CON @SUPPORTS
   ========================================================================== */

/* Si el navegador soporta :has(), mejorar interacciones */
@supports selector(:has(*)) {
  .progressive-gallery:has(.gallery-item:hover) .gallery-item:not(:hover) {
    opacity: 0.6;
    filter: grayscale(0.3);
  }
}

/* Si soporta scroll-timeline, animación al hacer scroll */
@supports (animation-timeline: scroll()) {
  .gallery-item {
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
}

/* Efectos de aspect-ratio si está soportado */
@supports (aspect-ratio: 1) {
  .gallery-image {
    aspect-ratio: 16 / 9;
    height: auto;
  }
}

/* ==========================================================================
   UTILIDADES
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Estado de carga para images */
.image-placeholder {
  position: relative;
  background-size: cover;
  background-position: center;
}

.image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  background-size: 200% 200%;
  animation: shimmer 2s infinite;
}

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

/* Efecto de hover mejorado en gallery */
.gallery-item {
  position: relative;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--border-radius-large);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover::after {
  opacity: 0.15;
}

/* Indicador de feature no soportada más claro */
.capability-card[data-status="not-supported"]::after {
  content: 'No soportado en este navegador';
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  color: var(--error);
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.capability-card[data-status="not-supported"]:hover::after {
  opacity: 1;
}