/* ============================================
   Vazir Font Family - Complete Integration
   ============================================ */

/* Vazir Thin (100) */
@font-face {
  font-family: 'Vazir';
  src: url('../fonts/vazir-font-v16.1.0/Vazir-Thin.woff2') format('woff2'),
       url('../fonts/vazir-font-v16.1.0/Vazir-Thin.woff') format('woff');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

/* Vazir Light (300) */
@font-face {
  font-family: 'Vazir';
  src: url('../fonts/vazir-font-v16.1.0/Vazir-Light.woff2') format('woff2'),
       url('../fonts/vazir-font-v16.1.0/Vazir-Light.woff') format('woff');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

/* Vazir Regular (400) */
@font-face {
  font-family: 'Vazir';
  src: url('../fonts/vazir-font-v16.1.0/Vazir.woff2') format('woff2'),
       url('../fonts/vazir-font-v16.1.0/Vazir.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Vazir Medium (500) */
@font-face {
  font-family: 'Vazir';
  src: url('../fonts/vazir-font-v16.1.0/Vazir-Medium.woff2') format('woff2'),
       url('../fonts/vazir-font-v16.1.0/Vazir-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* Vazir Bold (700) */
@font-face {
  font-family: 'Vazir';
  src: url('../fonts/vazir-font-v16.1.0/Vazir-Bold.woff2') format('woff2'),
       url('../fonts/vazir-font-v16.1.0/Vazir-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   Typography System Variables
   ============================================ */

:root {
  /* Font Families */
  --font-primary: 'Vazir', Tahoma, Arial, sans-serif;
  --font-monospace: ui-monospace, 'Courier New', monospace;
  
  /* Font Weights */
  --font-weight-thin: 100;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Typography Scale - Desktop */
  --text-xs: 0.7rem;      /* 11.2px */
  --text-sm: 0.79rem;     /* 12.64px */
  --text-base: 0.92rem;   /* 14.72px */
  --text-md: 1rem;        /* 16px */
  --text-lg: 1.08rem;     /* 17.28px */
  --text-xl: 1.22rem;     /* 19.52px */
  --text-2xl: 1.45rem;    /* 23.2px */
  --text-3xl: 1.85rem;    /* 29.6px */
  --text-4xl: 2.2rem;     /* 35.2px */
  --text-5xl: 2.9rem;     /* 46.4px */
  --text-6xl: 3.45rem;    /* 55.2px */
  
  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.55;
  --leading-relaxed: 1.65;
  --leading-loose: 1.85;
  
  /* Letter Spacing */
  --tracking-tighter: -0.03em;
  --tracking-tight: -0.012em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.06em;
  --tracking-widest: 0.12em;
}

/* ============================================
   Base Typography
   ============================================ */

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-relaxed);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

/* ============================================
   Heading Hierarchy
   ============================================ */

h1, .h1 {
  font-size: clamp(var(--text-3xl), 7.8vw, var(--text-6xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h2, .h2 {
  font-size: clamp(var(--text-2xl), 4.7vw, var(--text-4xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}

h3, .h3 {
  font-size: clamp(var(--text-lg), 3.5vw, var(--text-xl));
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-normal);
}

h4, .h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-normal);
}

h5, .h5 {
  font-size: var(--text-md);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-normal);
}

h6, .h6 {
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-normal);
}

/* ============================================
   Body Text Styles
   ============================================ */

.text-body {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

.text-body-sm {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.text-muted {
  color: var(--color-text-muted);
}

/* ============================================
   UI Component Typography
   ============================================ */

/* Buttons */
button,
.button {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-medium);
  font-size: 0.96rem;
  letter-spacing: var(--tracking-normal);
}

/* Inputs & Form Elements */
input,
textarea,
select {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
}

/* Labels & Small Text */
label,
.label {
  font-weight: var(--font-weight-medium);
  font-size: var(--text-sm);
}

/* Badges & Chips */
.chip,
.badge {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-normal);
}

/* Eyebrow Text (overline style) */
.eyebrow {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

/* Code & Monospace */
code,
pre,
.monospace {
  font-family: var(--font-monospace);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* ============================================
   Utility Classes
   ============================================ */

/* Font Weights */
.font-thin { font-weight: var(--font-weight-thin); }
.font-light { font-weight: var(--font-weight-light); }
.font-regular { font-weight: var(--font-weight-regular); }
.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); }

/* Font Sizes */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md { font-size: var(--text-md); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

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

/* Letter Spacing */
.tracking-tighter { letter-spacing: var(--tracking-tighter); }
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* ============================================
   Responsive Typography Adjustments
   ============================================ */

@media (max-width: 47.99rem) {
  :root {
    --text-base: 0.88rem;
    --text-md: 0.96rem;
  }
  
  body {
    line-height: 1.78;
  }
  
  h1, .h1 {
    font-size: clamp(1.75rem, 8.6vw, 2.55rem);
    line-height: 1.28;
  }
  
  h2, .h2 {
    font-size: clamp(1.4rem, 4.6vw, 2rem);
    line-height: 1.4;
  }
}

@media (max-width: 29.99rem) {
  :root {
    --text-xs: 0.64rem;
    --text-sm: 0.72rem;
    --text-base: 0.84rem;
  }
  
  body {
    line-height: 1.85;
  }
}

/* ============================================
   Accessibility & Performance
   ============================================ */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Improve readability for long-form content */
article,
.content {
  max-inline-size: 65ch;
}

/* Optimal line-height for body text */
p {
  line-height: var(--leading-relaxed);
}

p + p {
  margin-block-start: 1em;
}

/* Prevent orphans in headings */
h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
}

/* Optimal readability for paragraphs */
p {
  text-wrap: pretty;
}

@supports not (text-wrap: balance) {
  h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
  }
}

@supports not (text-wrap: pretty) {
  p {
    overflow-wrap: break-word;
  }
}