/**
 * Base Styles - Reset, Typography, Global Styles
 * Bora Akü Website Modernization
 */

/* ============================================
   CSS RESET - Modern 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;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-extrabold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.5rem, 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, var(--font-size-2xl));
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
}

h5 {
  font-size: clamp(1.125rem, 2vw, var(--font-size-xl));
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
}

/* Paragraphs */
p {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

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

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: none;
}

a:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

a:focus:not(:focus-visible) {
  outline: none;
}

/* Lists */
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-style: none;
}

/* Strong and Bold */
strong, b {
  font-weight: var(--font-weight-bold);
}

/* Emphasis and Italic */
em, i {
  font-style: italic;
}

/* Small Text */
small {
  font-size: var(--font-size-sm);
}

/* Code */
code, pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

/* Horizontal Rule */
hr {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

/* ============================================
   UTILITY CLASSES - Typography
   ============================================ */

/* Text Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

/* Font Weights */
.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

/* Text Colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-light { color: var(--color-text-light); }
.text-white { color: var(--color-text-white); }
.text-accent { color: var(--color-accent); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Line Height */
.leading-tight { line-height: var(--line-height-tight); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

/* ============================================
   UTILITY CLASSES - Spacing
   ============================================ */

/* Margin */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

/* ============================================
   UTILITY CLASSES - Display
   ============================================ */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none !important; }

/* ============================================
   UTILITY CLASSES - Borders
   ============================================ */

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ============================================
   UTILITY CLASSES - Shadows
   ============================================ */

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-none { box-shadow: none; }

/* ============================================
   UTILITY CLASSES - Backgrounds
   ============================================ */

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-accent { background: var(--gradient-accent); }

/* ============================================
   UTILITY CLASSES - Position
   ============================================ */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ============================================
   UTILITY CLASSES - Overflow
   ============================================ */

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-visible { overflow: visible; }

/* ============================================
   UTILITY CLASSES - Width & Height
   ============================================ */

.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }

/* ============================================
   UTILITY CLASSES - Cursor
   ============================================ */

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* ============================================
   UTILITY CLASSES - Pointer Events
   ============================================ */

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ============================================
   UTILITY CLASSES - User Select
   ============================================ */

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* ============================================
   SELECTION STYLES
   ============================================ */

::selection {
  background-color: var(--color-secondary);
  color: var(--color-text-white);
}

::-moz-selection {
  background-color: var(--color-secondary);
  color: var(--color-text-white);
}

/* ============================================
   SCROLLBAR STYLES
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* ============================================
   FOCUS STYLES
   ============================================ */

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.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;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  left: -9999px;
  z-index: var(--z-maximum);
  padding: var(--space-4) var(--space-6);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
}

.skip-to-content:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ============================================
   MOBILE SPECIFIC
   ============================================ */

.mobile-hidden {
  display: none;
}

@media (min-width: 768px) {
  .mobile-hidden {
    display: block;
  }
  .desktop-hidden {
    display: none;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  img {
    page-break-inside: avoid;
  }

  h2, h3, p {
    orphans: 3;
    widows: 3;
  }

  h2, h3 {
    page-break-after: avoid;
  }
}