/* ==========================================================
   variables.css — Design Tokens for airseen1 Portfolio
   ========================================================== */

:root {
  /* --- Colors (Premium Dark Theme with Violet Accent) --- */
  --bg-primary: #030303;
  --bg-secondary: #08080a;
  --bg-card: rgba(17, 17, 19, 0.65);
  --bg-elevated: rgba(26, 26, 30, 0.85);
  --bg-glass: rgba(8, 8, 10, 0.75);

  --text-primary: #f9fafb;
  --text-secondary: #a1a1aa;
  --text-tertiary: #6b6b76;

  --border: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.09);
  --border-active: rgba(129, 140, 248, 0.4);

  --accent-solid: #818cf8;
  --accent-solid-hover: #c084fc;
  --accent: #e4e4e7;
  --accent-hover: #ffffff;
  
  --accent-gradient: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
  --accent-glow: rgba(129, 140, 248, 0.12);
  --accent-glow-hover: rgba(192, 132, 252, 0.22);

  --backdrop-blur: blur(16px);

  /* --- Typography --- */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --fs-xs: 0.75rem;    /* 12px */
  --fs-sm: 0.875rem;   /* 14px */
  --fs-base: 1rem;     /* 16px */
  --fs-md: 1.125rem;   /* 18px */
  --fs-lg: 1.25rem;    /* 20px */
  --fs-xl: 1.5rem;     /* 24px */
  --fs-2xl: 2rem;      /* 32px */
  --fs-3xl: 2.75rem;   /* 44px */

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  /* --- Spacing --- */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */

  /* --- Border Radius --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* --- Shadows (Premium Soft Shadows) --- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.05);

  /* --- Transitions --- */
  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Layout --- */
  --container-max: 720px;
  --container-padding: var(--space-6);
}