/* Component Styles */

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(5, 5, 5, 0.8);
  /* Fallback for browsers without backdrop-filter support */
  background: rgba(5, 5, 5, 0.95);
  -webkit-backdrop-filter: blur(var(--blur-md));
  backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--color-glass-border);
  height: 4rem;
}

/* Enhanced backdrop-filter support with @supports */
@supports (backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px)) {
  .site-header {
    background: rgba(5, 5, 5, 0.8);
  }
}

@media (min-width: 1024px) {
  .site-header {
    height: 5rem;
  }
}

.header-container {
  max-width: var(--container-2xl);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .header-container {
    padding: 0 var(--space-xl);
  }
}

/* Logo */
.logo-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  border-radius: var(--radius-sm);
}

.logo-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

.logo {
  height: 2rem;
  width: auto;
}

@media (min-width: 1024px) {
  .logo {
    height: 2.5rem;
  }
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: var(--space-md);
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }
}

.nav-link {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  transition: opacity var(--transition-fast);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  opacity: 0.7;
}

.nav-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.menu-toggle:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

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

.menu-icon {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  gap: 0.375rem;
}

.line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  -webkit-transition: -webkit-transform var(--transition-base), opacity var(--transition-base);
  transition: -webkit-transform var(--transition-base), opacity var(--transition-base);
  -o-transition: transform var(--transition-base), opacity var(--transition-base);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transition: transform var(--transition-base), opacity var(--transition-base), -webkit-transform var(--transition-base);
}

.menu-toggle[aria-expanded="true"] .line-1 {
  -webkit-transform: rotate(45deg) translateY(0.5rem);
  -ms-transform: rotate(45deg) translateY(0.5rem);
  transform: rotate(45deg) translateY(0.5rem);
}

.menu-toggle[aria-expanded="true"] .line-2 {
  -webkit-transform: rotate(-45deg) translateY(-0.5rem);
  -ms-transform: rotate(-45deg) translateY(-0.5rem);
  transform: rotate(-45deg) translateY(-0.5rem);
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-menu);
  /* Fallback for browsers without backdrop-filter */
  background: rgba(5, 5, 5, 0.98);
  -webkit-backdrop-filter: blur(var(--blur-md));
  backdrop-filter: blur(var(--blur-md));
  /* Flexbox fallback is already the default */
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  -webkit-transition: opacity var(--transition-base);
  -o-transition: opacity var(--transition-base);
  transition: opacity var(--transition-base);
}

@supports (backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px)) {
  .menu-overlay {
    background: rgba(5, 5, 5, 0.95);
  }
}

.menu-overlay[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

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

.menu-link {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  opacity: 0;
  -webkit-transform: translateY(1.25rem);
  -ms-transform: translateY(1.25rem);
  transform: translateY(1.25rem);
  -webkit-transition: opacity var(--transition-base), -webkit-transform var(--transition-base);
  transition: opacity var(--transition-base), -webkit-transform var(--transition-base);
  -o-transition: opacity var(--transition-base), transform var(--transition-base);
  transition: opacity var(--transition-base), transform var(--transition-base);
  transition: opacity var(--transition-base), transform var(--transition-base), -webkit-transform var(--transition-base);
  border-radius: var(--radius-sm);
}

.menu-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

.menu-overlay[aria-hidden="false"] .menu-link {
  opacity: 1;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}

.menu-overlay[aria-hidden="false"] .menu-link:nth-child(1) {
  transition-delay: 0.1s;
}

.menu-overlay[aria-hidden="false"] .menu-link:nth-child(2) {
  transition-delay: 0.2s;
}

.menu-overlay[aria-hidden="false"] .menu-link:nth-child(3) {
  transition-delay: 0.3s;
}

.menu-overlay[aria-hidden="false"] .menu-link:nth-child(4) {
  transition-delay: 0.4s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding-top: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: var(--container-2xl);
  width: 100%;
  padding: var(--space-xl) var(--space-md);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  text-align: center;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .hero-container {
    padding: var(--space-3xl) var(--space-xl);
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    text-align: left;
    gap: var(--space-3xl);
  }
}

.hero-content {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  z-index: var(--z-base);
}

.hero-headline {
  margin-bottom: var(--space-md);
}

.hero-subheadline {
  font-size: var(--font-size-body);
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

.hero-visual {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  min-height: 20rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.hero-animation {
  width: 100%;
  height: 100%;
  min-height: 20rem;
  opacity: 0.5;
}

@media (min-width: 1024px) {
  .hero-animation {
    opacity: 1;
  }
}

/* CTA Button */
.cta-button {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  background: var(--color-glass-background);
  border: 1px solid var(--color-glass-border);
  -webkit-border-radius: var(--radius-sm);
  border-radius: var(--radius-sm);
  -webkit-backdrop-filter: blur(var(--blur-sm));
  backdrop-filter: blur(var(--blur-sm));
  -webkit-transition: -webkit-transform var(--transition-fast), background var(--transition-fast);
  -o-transition: transform var(--transition-fast), background var(--transition-fast);
  transition: transform var(--transition-fast), background var(--transition-fast), -webkit-transform var(--transition-fast);
  min-width: 12rem;
  height: 3rem;
}

@media (max-width: 767px) {
  .cta-button {
    width: 100%;
    max-width: 20rem;
  }
}

@media (min-width: 1024px) {
  .cta-button {
    height: 3.5rem;
    min-width: 12.5rem;
  }
}

.cta-button:hover {
  background: rgba(255, 255, 255, 0.1);
  -webkit-transform: translateY(-2px);
  -ms-transform: translateY(-2px);
  transform: translateY(-2px);
}

.cta-button:active {
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}

.cta-button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

/* Bento Grid */
.bento-grid {
  /* Flexbox fallback for browsers without CSS Grid */
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* CSS Grid with @supports for progressive enhancement */
@supports (display: grid) {
  .bento-grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  @supports (display: grid) {
    .bento-grid {
      -ms-grid-columns: (1fr)[6];
      grid-template-columns: repeat(6, 1fr);
      gap: var(--space-md);
    }
  }
}

@media (min-width: 1024px) {
  @supports (display: grid) {
    .bento-grid {
      -ms-grid-columns: (1fr)[12];
      grid-template-columns: repeat(12, 1fr);
      gap: var(--space-lg);
    }
  }
}

/* Product Card */
.product-card {
  padding: var(--space-lg);
  background: var(--color-glass-background);
  border: 1px solid var(--color-glass-border);
  -webkit-border-radius: var(--radius-md);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(var(--blur-sm));
  backdrop-filter: blur(var(--blur-sm));
  -webkit-transition: -webkit-transform var(--transition-base), -webkit-box-shadow var(--transition-base);
  transition: -webkit-transform var(--transition-base), -webkit-box-shadow var(--transition-base);
  -o-transition: transform var(--transition-base), box-shadow var(--transition-base);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  transition: transform var(--transition-base), box-shadow var(--transition-base), -webkit-transform var(--transition-base), -webkit-box-shadow var(--transition-base);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: var(--space-md);
  /* Flexbox fallback for grid */
  -webkit-box-flex: 1;
  -ms-flex: 1 1 100%;
  flex: 1 1 100%;
  min-width: 280px;
}

@media (min-width: 1024px) {
  .product-card {
    padding: var(--space-xl);
  }
  
  .product-card:hover {
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
    -webkit-box-shadow: 0 0 2rem rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 2rem rgba(255, 255, 255, 0.1);
  }
  
  .product-card:focus-within {
    -webkit-box-shadow: 0 0 2rem rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 2rem rgba(255, 255, 255, 0.15);
  }
}

.card-icon {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
}

.card-icon svg {
  width: 3rem;
  height: 3rem;
}

.card-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.card-description {
  font-size: var(--font-size-body);
  line-height: var(--line-height-normal);
  opacity: 0.9;
  margin: 0;
  -webkit-box-flex: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
}

.card-link {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  opacity: 0.8;
  -webkit-transition: opacity var(--transition-fast);
  -o-transition: opacity var(--transition-fast);
  transition: opacity var(--transition-fast);
  -ms-flex-item-align: start;
  align-self: flex-start;
  border-radius: var(--radius-sm);
}

.card-link:hover {
  opacity: 1;
}

.card-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

/* Card Sizes */
/* Flexbox fallback - cards will wrap naturally */
.card-small {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 100%;
  flex: 1 1 100%;
}

@media (min-width: 768px) {
  .card-small {
    -ms-flex: 1 1 calc(50% - var(--space-md));
    flex: 1 1 calc(50% - var(--space-md));
  }
}

@media (min-width: 1024px) {
  .card-small {
    -ms-flex: 1 1 calc(33.333% - var(--space-lg));
    flex: 1 1 calc(33.333% - var(--space-lg));
  }
}

.card-medium {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 100%;
  flex: 1 1 100%;
}

@media (min-width: 768px) {
  .card-medium {
    -ms-flex: 1 1 100%;
    flex: 1 1 100%;
  }
}

@media (min-width: 1024px) {
  .card-medium {
    -ms-flex: 1 1 calc(50% - var(--space-lg));
    flex: 1 1 calc(50% - var(--space-lg));
  }
}

.card-large {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 100%;
  flex: 1 1 100%;
}

@media (min-width: 768px) {
  .card-large {
    -ms-flex: 1 1 100%;
    flex: 1 1 100%;
  }
}

@media (min-width: 1024px) {
  .card-large {
    -ms-flex: 1 1 calc(66.666% - var(--space-lg));
    flex: 1 1 calc(66.666% - var(--space-lg));
  }
}

.card-featured {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 100%;
  flex: 1 1 100%;
}

/* CSS Grid with @supports for progressive enhancement */
@supports (display: grid) {
  .card-small {
    -ms-grid-column-span: 1;
    grid-column: span 1;
  }

  @media (min-width: 768px) {
    .card-small {
      -ms-grid-column-span: 3;
      grid-column: span 3;
    }
  }

  @media (min-width: 1024px) {
    .card-small {
      -ms-grid-column-span: 4;
      grid-column: span 4;
    }
  }

  .card-medium {
    -ms-grid-column-span: 1;
    grid-column: span 1;
  }

  @media (min-width: 768px) {
    .card-medium {
      -ms-grid-column-span: 6;
      grid-column: span 6;
    }
  }

  @media (min-width: 1024px) {
    .card-medium {
      -ms-grid-column-span: 6;
      grid-column: span 6;
    }
  }

  .card-large {
    -ms-grid-column-span: 1;
    grid-column: span 1;
  }

  @media (min-width: 768px) {
    .card-large {
      -ms-grid-column-span: 6;
      grid-column: span 6;
    }
  }

  @media (min-width: 1024px) {
    .card-large {
      -ms-grid-column-span: 8;
      grid-column: span 8;
    }
  }

  .card-featured {
    -ms-grid-column-span: 1;
    grid-column: span 1;
  }

  @media (min-width: 768px) {
    .card-featured {
      -ms-grid-column-span: 6;
      grid-column: span 6;
    }
  }

  @media (min-width: 1024px) {
    .card-featured {
      -ms-grid-column-span: 12;
      grid-column: span 12;
    }
  }
}

/* Touch Optimizations */
/* Ensure minimum touch target size of 44x44px for all interactive elements */
.menu-toggle,
.nav-link,
.menu-link,
.cta-button,
.card-link,
.logo-link {
  /* Prevent double-tap zoom on interactive elements */
  -ms-touch-action: manipulation;
  touch-action: manipulation;
}

/* Touch active state - Applied via JavaScript on touch devices */
.touch-active {
  opacity: 0.7 !important;
  -webkit-transition: opacity 0.1s ease !important;
  -o-transition: opacity 0.1s ease !important;
  transition: opacity 0.1s ease !important;
}

/* Ensure menu toggle meets 44x44px minimum */
.menu-toggle {
  min-width: 2.75rem; /* 44px */
  min-height: 2.75rem; /* 44px */
}

/* Ensure navigation links have adequate touch targets */
.nav-link {
  min-height: 2.75rem; /* 44px */
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

/* Ensure mobile menu links have adequate touch targets */
.menu-link {
  min-height: 2.75rem; /* 44px */
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
}

/* Ensure CTA button meets minimum touch target */
.cta-button {
  min-height: 2.75rem; /* 44px */
}

/* Ensure card links have adequate touch targets */
.card-link {
  min-height: 2.75rem; /* 44px */
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: var(--space-xs) 0;
}

/* Touch feedback - Active states for mobile interactions */
@media (max-width: 1023px) {
  .menu-toggle:active {
    opacity: 0.7;
    -webkit-transform: scale(0.95);
    -ms-transform: scale(0.95);
    transform: scale(0.95);
  }
  
  .nav-link:active,
  .menu-link:active {
    opacity: 0.6;
    -webkit-transform: scale(0.98);
    -ms-transform: scale(0.98);
    transform: scale(0.98);
  }
  
  .cta-button:active {
    -webkit-transform: scale(0.98);
    -ms-transform: scale(0.98);
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.15);
  }
  
  .card-link:active {
    opacity: 1;
    -webkit-transform: translateX(4px);
    -ms-transform: translateX(4px);
    transform: translateX(4px);
  }
  
  .product-card:active {
    -webkit-transform: scale(0.99);
    -ms-transform: scale(0.99);
    transform: scale(0.99);
  }
}

/* Footer */
.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-glass-border);
  text-align: center;
}

.footer-container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-container p {
  font-size: var(--font-size-small);
  opacity: 0.7;
}