/* ============================================
   BASE.CSS - Hungarian Cycling E-commerce
   Adventurous • Cinematic • Modern • Bold
   ============================================ */

/* Variables
   ============================================ */
:root {
  /* Color Palette - Adventure & Reliability */
  --color-white: #ffffff;
  --color-graphite-50: #f6f7f8;
  --color-graphite-100: #e5e7eb;
  --color-graphite-200: #d1d5db;
  --color-graphite-300: #9ca3af;
  --color-graphite-400: #6b7280;
  --color-graphite-500: #4b5563;
  --color-graphite-600: #374151;
  --color-graphite-700: #1f2937;
  --color-graphite-800: #111827;
  --color-graphite-900: #0b0f19;
  
  --color-navy-600: #1e3a5f;
  --color-navy-700: #152a45;
  --color-navy-800: #0d1b2a;
  
  --color-red-500: #dc2626;
  --color-red-600: #b91c1c;
  --color-red-700: #991b1b;
  
  --color-green-500: #10b981;
  --color-green-600: #059669;
  
  /* Semantic Colors */
  --color-bg: var(--color-white);
  --color-bg-alt: var(--color-graphite-50);
  --color-text: var(--color-graphite-800);
  --color-text-muted: var(--color-graphite-500);
  --color-primary: var(--color-red-600);
  --color-primary-hover: var(--color-red-700);
  --color-secondary: var(--color-navy-700);
  --color-accent: var(--color-green-600);
  --color-success: var(--color-green-600);
  --color-warning: #d97706;
  --color-danger: var(--color-red-600);
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-tracking-adventure: 0.1em;
  
  /* Spacing Scale (0-96px) */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;
  --space-48: 12rem;
  --space-56: 14rem;
  --space-64: 16rem;
  --space-80: 20rem;
  --space-96: 24rem;
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows - Cinematic Depth */
  --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, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-cinematic: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-transform: transform var(--transition-base);
  --transition-colors: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), fill var(--transition-fast), stroke var(--transition-fast);
  
  /* Layout */
  --container-max: 1440px;
  --container-padding: var(--space-4);
  --header-height: 80px;
}

@media (min-width: 640px) {
  :root {
    --container-padding: var(--space-6);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-8);
  }
}

/* Reset & Normalize
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100%;
  line-height: var(--line-height-normal);
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: transparent;
  border: none;
}

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

ul,
ol {
  list-style: none;
}

/* Base Styles
   ============================================ */
body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-graphite-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }
  h3 { font-size: var(--font-size-3xl); }
}

@media (min-width: 1024px) {
  h1 { font-size: var(--font-size-6xl); }
}

p {
  margin-bottom: var(--space-4);
  }

p:last-child {
  margin-bottom: 0;
}

/* Links */
a {
  transition: var(--transition-colors);
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

/* Layout Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-8 {
  gap: var(--space-8);
}

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

/* Components
   ============================================ */

/* Buttons - Bold, Conversion-Focused */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-tracking-adventure);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white)!important;
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-navy-800);
  border-color: var(--color-navy-800);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: var(--color-graphite-300);
  color: var(--color-graphite-800);
  border-color: var(--color-graphite-300);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(220, 38, 38, 0.05);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-graphite-700);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-graphite-100);
  color: var(--color-graphite-900);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

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

/* Inputs - Streamlined */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 2px solid var(--color-graphite-200);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.input:hover {
  border-color: var(--color-graphite-300);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.input::placeholder {
  color: var(--color-graphite-400);
}

.input:disabled {
  background-color: var(--color-graphite-50);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Card - Product & Content */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  border: 1px solid var(--color-graphite-100);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: transparent;
}

.card-body {
  padding: var(--space-6);
}

.card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Focus Visible Utilities */
.focus-visible\:ring:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.4);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .btn:hover:not(:disabled),
  .card:hover {
    transform: none;
  }
  
  .card:hover .card-img {
    transform: none;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #b91c1c;
    --color-text: #000000;
  }
  
  .btn:focus-visible,
  a:focus-visible,
  .input:focus {
    outline-width: 3px;
  }
}