/* Kiosk Display & Mega Screen Responsive System */
/* This file ensures the website adapts dynamically to all screen sizes from mobile to large kiosk displays */

/* ============================================
   FLUID TYPOGRAPHY & SPACING SYSTEM
   ============================================ */
:root {
  /* Fluid font sizes using clamp() for smooth scaling across all screen sizes */
  --fs-xs: clamp(0.75rem, 0.7rem + 0.25vw, 1rem);
  --fs-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1.125rem);
  --fs-base: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --fs-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --fs-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
  --fs-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.5rem);
  --fs-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 3.5rem);
  --fs-4xl: clamp(2.25rem, 1.8rem + 2vw, 5rem);
  --fs-5xl: clamp(3rem, 2.5rem + 2.5vw, 6.5rem);
  
  /* Fluid spacing that scales with viewport */
  --spacing-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
  --spacing-sm: clamp(0.5rem, 0.4rem + 0.5vw, 1rem);
  --spacing-md: clamp(1rem, 0.8rem + 1vw, 2rem);
  --spacing-lg: clamp(1.5rem, 1.2rem + 1.5vw, 3rem);
  --spacing-xl: clamp(2rem, 1.5rem + 2.5vw, 5rem);
  --spacing-2xl: clamp(3rem, 2rem + 5vw, 8rem);
  
  /* Container max-widths for different screen categories */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  --container-3xl: 1920px;
  --container-4xl: 2560px;
  --container-kiosk: 3840px; /* 4K displays */
}

/* ============================================
   RESPONSIVE CONTAINER SYSTEM
   ============================================ */
.container,
.site-header .container,
.site-footer .container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 2vw, 3rem);
  padding-right: clamp(1rem, 2vw, 3rem);
}

/* Progressive max-width for different screen sizes */
@media (min-width: 640px) {
  .container { max-width: var(--container-sm); }
}

@media (min-width: 768px) {
  .container { max-width: var(--container-md); }
}

@media (min-width: 1024px) {
  .container { max-width: var(--container-lg); }
}

@media (min-width: 1280px) {
  .container { max-width: var(--container-xl); }
}

@media (min-width: 1536px) {
  .container { max-width: var(--container-2xl); }
}

/* Large displays (1920px - 2560px) */
@media (min-width: 1920px) {
  .container { 
    max-width: var(--container-3xl);
    padding-left: clamp(2rem, 3vw, 5rem);
    padding-right: clamp(2rem, 3vw, 5rem);
  }
}

/* Mega screens and kiosk displays (2560px+) */
@media (min-width: 2560px) {
  .container { 
    max-width: var(--container-4xl);
    padding-left: clamp(3rem, 4vw, 8rem);
    padding-right: clamp(3rem, 4vw, 8rem);
  }
}

/* 4K and ultra-wide kiosk displays (3840px+) */
@media (min-width: 3840px) {
  .container { 
    max-width: var(--container-kiosk);
    padding-left: clamp(4rem, 5vw, 10rem);
    padding-right: clamp(4rem, 5vw, 10rem);
  }
}

/* ============================================
   FLUID TYPOGRAPHY APPLICATION
   ============================================ */
body {
  font-size: var(--fs-base);
  line-height: 1.6;
}

h1 {
  font-size: var(--fs-5xl);
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--fs-4xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--fs-3xl);
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--fs-2xl);
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: var(--fs-xl);
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--fs-lg);
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

p, li, td, th {
  font-size: var(--fs-base);
  line-height: 1.6;
}

small, .text-sm {
  font-size: var(--fs-sm);
}

.text-xs {
  font-size: var(--fs-xs);
}

/* ============================================
   RESPONSIVE GRID SYSTEM
   ============================================ */
.grid {
  display: grid;
  gap: var(--spacing-md);
  width: 100%;
}

/* Mobile-first: 1 column */
.grid-cols-1 { grid-template-columns: 1fr; }

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

/* Desktop: 3 columns */
@media (min-width: 1024px) {
  .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Large screens: More columns */
@media (min-width: 1536px) {
  .grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* Mega screens: Maximum columns */
@media (min-width: 2560px) {
  .grid-cols-8 { grid-template-columns: repeat(8, 1fr); }
  .grid {
    gap: var(--spacing-lg);
  }
}

/* ============================================
   RESPONSIVE IMAGES & MEDIA
   ============================================ */
img, video, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Ensure images scale properly on large displays */
@media (min-width: 1920px) {
  img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Logo scaling for different screen sizes */
.branding-logo {
  max-height: clamp(48px, 5vw, 120px);
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ============================================
   RESPONSIVE NAVIGATION
   ============================================ */
.nav-bar {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 3rem);
  padding: var(--spacing-sm) 0;
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 1.5vw, 2.5rem);
  align-items: center;
}

.nav-link {
  font-size: var(--fs-base);
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* Large screen navigation adjustments */
@media (min-width: 1920px) {
  .nav-bar {
    padding: var(--spacing-md) 0;
  }
  
  .nav-link {
    font-size: var(--fs-lg);
  }
}

/* ============================================
   RESPONSIVE BUTTONS & FORMS
   ============================================ */
button, .btn, input[type="submit"] {
  font-size: var(--fs-base);
  padding: clamp(0.5rem, 1vw, 1rem) clamp(1rem, 2vw, 2rem);
  border-radius: clamp(0.375rem, 0.5vw, 0.75rem);
  transition: all 0.3s ease;
}

input, textarea, select {
  font-size: var(--fs-base);
  padding: clamp(0.5rem, 1vw, 1rem);
  border-radius: clamp(0.25rem, 0.5vw, 0.5rem);
  width: 100%;
}

/* Form scaling for large displays */
@media (min-width: 1920px) {
  button, .btn, input[type="submit"] {
    min-height: 48px;
  }
  
  input, textarea, select {
    min-height: 48px;
  }
}

@media (min-width: 2560px) {
  button, .btn, input[type="submit"] {
    min-height: 64px;
  }
  
  input, textarea, select {
    min-height: 64px;
  }
}

/* ============================================
   RESPONSIVE SECTIONS & SPACING
   ============================================ */
section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.hero {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

/* Large display spacing */
@media (min-width: 1920px) {
  section {
    padding-top: clamp(3rem, 5vw, 8rem);
    padding-bottom: clamp(3rem, 5vw, 8rem);
  }
}

/* ============================================
   RESPONSIVE CARDS & COMPONENTS
   ============================================ */
.card, .feature-card, .project-card {
  padding: var(--spacing-md);
  border-radius: clamp(0.5rem, 1vw, 1.5rem);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (min-width: 1920px) {
  .card, .feature-card, .project-card {
    padding: var(--spacing-lg);
  }
}

/* Prevent cards from becoming too large on mega screens */
@media (min-width: 2560px) {
  .card, .feature-card, .project-card {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================
   KIOSK-SPECIFIC OPTIMIZATIONS
   ============================================ */
@media (min-width: 1920px) {
  /* Increase touch target sizes for kiosk interaction */
  button, a, input, select, textarea {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Enhance readability */
  body {
    letter-spacing: 0.01em;
  }
  
  /* Optimize for viewing distance */
  :root {
    --optimal-line-length: 80ch;
  }
  
  p, li {
    max-width: var(--optimal-line-length);
  }
}

/* Ultra-wide kiosk displays */
@media (min-width: 3840px) {
  /* Center content and prevent excessive width */
  .content-wrapper {
    max-width: 3200px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Increase base font size for better readability at distance */
  :root {
    --fs-base: clamp(1.25rem, 1vw, 1.5rem);
  }
}

/* ============================================
   RESPONSIVE TABLES
   ============================================ */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

th, td {
  padding: var(--spacing-sm);
  text-align: left;
}

@media (min-width: 1920px) {
  table {
    font-size: var(--fs-base);
  }
  
  th, td {
    padding: var(--spacing-md);
  }
}

/* ============================================
   VIEWPORT HEIGHT UTILITIES
   ============================================ */
.min-h-screen {
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile browsers */
}

.h-screen {
  height: 100vh;
  height: 100dvh;
}

/* ============================================
   RESPONSIVE UTILITY CLASSES
   ============================================ */
/* Spacing utilities */
.p-responsive { padding: var(--spacing-md); }
.px-responsive { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.py-responsive { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.m-responsive { margin: var(--spacing-md); }
.mx-responsive { margin-left: var(--spacing-md); margin-right: var(--spacing-md); }
.my-responsive { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }

/* Gap utilities */
.gap-responsive { gap: var(--spacing-md); }

/* Text alignment for different screens */
.text-center-mobile { text-align: center; }

@media (min-width: 1024px) {
  .text-center-mobile { text-align: left; }
}

/* ============================================
   PRINT OPTIMIZATIONS
   ============================================ */
@media print {
  * {
    background: white !important;
    color: black !important;
  }
  
  .no-print, .nav-bar, .site-footer, button {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
  }
}

/* ============================================
   HIGH DPI DISPLAY OPTIMIZATIONS
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize rendering for retina and high-DPI displays */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* ============================================
   ACCESSIBILITY & REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   ORIENTATION HANDLING
   ============================================ */
@media (orientation: landscape) and (max-height: 600px) {
  /* Optimize for landscape orientation on shorter displays */
  section {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
  }
  
  .hero {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
  }
}

/* ============================================
   DYNAMIC CONTENT SCALING
   ============================================ */
/* Ensure content never becomes uncomfortably large */
.content-limiter {
  max-width: min(100%, 1600px);
  margin-left: auto;
  margin-right: auto;
}

/* Scale content proportionally on mega screens */
@media (min-width: 2560px) {
  .scale-content {
    transform: scale(1.2);
    transform-origin: top center;
  }
}

/* ============================================
   FLEXIBLE BOX LAYOUTS
   ============================================ */
.flex-responsive {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .flex-responsive {
    flex-direction: column;
    align-items: stretch;
  }
}