/* ═══════════════════════════════════════════════════════════════
   Sovereign Design System — IIF
   نظام التصميم السيادي لصندوق الاستثمار الدولي
   ═══════════════════════════════════════════════════════════════ */

/* ─── Color Tokens ─── */
:root {
  --sov-navy-900: #060a12;
  --sov-navy-800: #0a0e18;
  --sov-navy-700: #131b2e;
  --sov-navy-600: #1a2438;
  --sov-navy-500: #22304a;

  --sov-gold-500: #c9a227;
  --sov-gold-400: #d4b43a;
  --sov-gold-300: #e8d48a;
  --sov-gold-200: #f0e5b8;
  --sov-gold-600: #a08020;
  --sov-gold-glow: rgba(201, 162, 39, 0.15);
  --sov-gold-glow-strong: rgba(201, 162, 39, 0.35);

  --sov-ivory: #faf8f3;
  --sov-cream: #f5f0e6;
  --sov-silver: #e2e8f0;
  --sov-slate: #94a3b8;
  --sov-slate-muted: #64748b;

  --sov-success: #1c8a57;
  --sov-warning: #d4a017;
  --sov-error: #c0392b;

  /* Semantic mappings */
  --color-bg: var(--sov-navy-900);
  --color-bg-elevated: var(--sov-navy-700);
  --color-surface: var(--sov-navy-800);
  --color-surface-raised: var(--sov-navy-600);
  --color-border: rgba(201, 162, 39, 0.12);
  --color-border-strong: rgba(201, 162, 39, 0.25);
  --color-glass: rgba(255, 255, 255, 0.03);
  --color-glass-border: rgba(201, 162, 39, 0.08);

  --color-text: var(--sov-ivory);
  --color-text-muted: var(--sov-silver);
  --color-text-dim: var(--sov-slate);
  --color-text-inverse: var(--sov-navy-900);

  --color-accent: var(--sov-gold-500);
  --color-accent-soft: var(--sov-gold-300);
  --color-accent-dim: var(--sov-gold-600);
}

/* ─── Typography ─── */
:root {
  --font-ar-display: "Noto Naskh Arabic", "Amiri", "Traditional Arabic", serif;
  --font-ar-body: "Noto Sans Arabic", "Segoe UI", "Tahoma", sans-serif;
  --font-en-display: "Cormorant Garamond", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-en-body: "Inter", "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.35rem, 1.2rem + 0.75vw, 1.6rem);
  --text-2xl: clamp(1.7rem, 1.4rem + 1.5vw, 2.2rem);
  --text-3xl: clamp(2.2rem, 1.7rem + 2.5vw, 3.2rem);
  --text-4xl: clamp(2.8rem, 2rem + 4vw, 4.5rem);
  --text-5xl: clamp(3.5rem, 2.5rem + 5vw, 6rem);

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;
}

/* ─── Spacing ─── */
:root {
  --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;

  --section-py: clamp(4rem, 8vw, 8rem);
  --section-px: clamp(1.25rem, 5vw, 4rem);
  --container-max: 1280px;
  --container-narrow: 880px;
}

/* ─── Radius & Shadows ─── */
:root {
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.5);
  --shadow-gold: 0 0 40px var(--sov-gold-glow);
  --shadow-gold-strong: 0 0 60px var(--sov-gold-glow-strong);

  --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-normal: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);
  --transition-slower: 0.7s cubic-bezier(0.4,0,0.2,1);
}

/* ─── Base Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-en-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Arabic font stack override */
[lang="ar"] body, [dir="rtl"] body {
  font-family: var(--font-ar-body);
}

/* ─── Selection & Focus ─── */
::selection {
  background: var(--sov-gold-500);
  color: var(--sov-navy-900);
}

:focus-visible {
  outline: 2px solid var(--sov-gold-500);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--sov-navy-900); }
::-webkit-scrollbar-thumb { background: var(--sov-navy-500); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--sov-gold-600); }

/* ─── Typography Utilities ─── */
.sov-text-display {
  font-family: var(--font-en-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}
[lang="ar"] .sov-text-display, [dir="rtl"] .sov-text-display {
  font-family: var(--font-ar-display);
  font-weight: 700;
}

.sov-text-body {
  font-family: var(--font-en-body);
  font-weight: 400;
  line-height: var(--leading-normal);
}
[lang="ar"] .sov-text-body, [dir="rtl"] .sov-text-body {
  font-family: var(--font-ar-body);
}

.sov-text-label {
  font-family: var(--font-en-body);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}
[lang="ar"] .sov-text-label, [dir="rtl"] .sov-text-label {
  font-family: var(--font-ar-body);
  letter-spacing: var(--tracking-wide);
  text-transform: none;
}

/* ─── Layout Utilities ─── */
.sov-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-px);
}

.sov-container-narrow {
  max-width: var(--container-narrow);
}

.sov-section {
  padding-block: var(--section-py);
  position: relative;
}

.sov-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: var(--space-8);
}

.sov-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
}

.sov-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-6);
}

.sov-flex {
  display: flex;
  align-items: center;
}

.sov-flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.visually-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

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