/* =========================================
   PPF Portal — Design Tokens
   ========================================= */
:root {
  /* Colors */
  --color-primary: #1a56db;
  --color-primary-hover: #1648c0;
  --color-primary-light: #ebf0fd;
  --color-bg: #ffffff;
  --color-surface: #f9fafb;
  --color-surface-2: #f3f4f6;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-subtle: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --color-success: #059669;
  --color-white: #ffffff;

  /* Hero gradient — soğuk mavi'den sıcak amber'e */
  --hero-gradient: linear-gradient(135deg, #eef2ff 0%, #f0f4ff 30%, #fff8f0 65%, #fff5eb 100%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font sizes */
  --text-xs: 0.75rem;   /* 12px */
  --text-sm: 0.875rem;  /* 14px */
  --text-base: 1rem;    /* 16px */
  --text-lg: 1.125rem;  /* 18px */
  --text-xl: 1.25rem;   /* 20px */
  --text-2xl: 1.5rem;   /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem;  /* 36px */
  --text-5xl: 3rem;     /* 48px */
  --text-6xl: 3.5rem;   /* 56px */

  /* Font weights */
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Spacing */
  --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;

  /* Border radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-primary: 0 4px 20px rgba(26, 86, 219, 0.25);

  /* Layout */
  --container-max: 1200px;
  --container-md: 800px;
  --header-height: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-index */
  --z-dropdown: 100;
  --z-header: 200;
  --z-modal: 300;
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }
}