/**
 * Thmanyah Sans Typography System
 * Bilingual (Arabic & English) typography for DownMe
 * Configured with exact OpenType weights, Apple fallbacks, and font-display: swap
 */

/* Thmanyah Sans - Light (300) */
@font-face {
  font-family: 'Thmanyah Sans';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: local('thmanyah sans Light'),
       local('thmanyahsans-Light'),
       url('/fonts/thmanyahsans-Light.otf') format('opentype');
}

/* Thmanyah Sans - Regular (400) */
@font-face {
  font-family: 'Thmanyah Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('thmanyah sans Regular'),
       local('thmanyah sans'),
       local('thmanyahsans-Regular'),
       url('/fonts/thmanyahsans-Regular.otf') format('opentype');
}

/* Thmanyah Sans - Medium (500) */
@font-face {
  font-family: 'Thmanyah Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: local('thmanyah sans Medium'),
       local('thmanyah sans Med'),
       local('thmanyahsans-Medium'),
       url('/fonts/thmanyahsans-Medium.otf') format('opentype');
}

/* Thmanyah Sans - Bold (700) */
@font-face {
  font-family: 'Thmanyah Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('thmanyah sans Bold'),
       local('thmanyahsans-Bold'),
       url('/fonts/thmanyahsans-Bold.otf') format('opentype');
}

/* Thmanyah Sans - Black (900) */
@font-face {
  font-family: 'Thmanyah Sans';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: local('thmanyah sans Black'),
       local('thmanyahsans-Black'),
       url('/fonts/thmanyahsans-Black.otf') format('opentype');
}

/* Global Font Stacks */
:root {
  --font-sans: 'Thmanyah Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Text',
               'SF Pro AR', 'SF Pro Display', system-ui, 'Segoe UI',
               Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}

/* Typographic Scale & Hierarchy */
.text-display {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.text-title-1 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.text-title-2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.text-title-3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1875rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.text-headline {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.text-body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.9375rem;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

.text-callout {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.45;
}

.text-subhead {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.8125rem;
  line-height: 1.4;
}

.text-caption {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.75rem;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.4;
  font-feature-settings: 'tnum' 1;
}

/* Bilingual Arabic/English Layout Optimizations */
[dir="rtl"] {
  letter-spacing: 0 !important;
}

[dir="rtl"] .text-display,
[dir="rtl"] .text-title-1,
[dir="rtl"] .text-title-2 {
  line-height: 1.35;
}

/* Text Smoothing */
html, body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}