/* ===================================== */
/*   DESIGN SYSTEM — tokitauhid.me       */
/*   Dark theme, professional portfolio  */
/* ===================================== */

:root {
  /* ---- COLORS ---- */
  --bg-primary: #0B0D0F;
  --bg-secondary: #111418;
  --bg-surface: #181B20;
  --bg-elevated: #1E2228;
  --bg-overlay: rgba(11, 13, 15, 0.92);

  /* Accents */
  --accent: #6C63FF;
  --accent-soft: rgba(108, 99, 255, 0.15);
  --accent-glow: rgba(108, 99, 255, 0.3);
  --teal: #00D4AA;
  --teal-soft: rgba(0, 212, 170, 0.12);
  --warm: #FF6B35;
  --warm-soft: rgba(255, 107, 53, 0.12);

  /* Text */
  --text-primary: #F0F0F2;
  --text-secondary: #8A8F98;
  --text-muted: #4A4F57;
  --text-inverse: #0B0D0F;

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(108, 99, 255, 0.3);

  /* Glassmorphism */
  --glass-bg: rgba(18, 20, 26, 0.5);
  --glass-bg-hover: rgba(18, 20, 26, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.14);
  --glass-blur: 20px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* ---- TYPOGRAPHY ---- */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --h1: clamp(2.8rem, 6vw, 5rem);
  --h2: clamp(2rem, 4vw, 3.2rem);
  --h3: clamp(1.4rem, 2.5vw, 1.8rem);
  --h4: clamp(1.1rem, 1.5vw, 1.3rem);
  --body: clamp(0.95rem, 1.1vw, 1.0625rem);
  --small: clamp(0.8rem, 0.9vw, 0.875rem);
  --label: 0.75rem;
  --tiny: 0.6875rem;

  --weight-thin: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* ---- SPACING ---- */
  --side-padding: clamp(20px, 4vw, 48px);
  --top-padding: clamp(16px, 3vh, 40px);
  --section-gap: clamp(80px, 12vh, 160px);
  --card-gap: 16px;
  --container-max: 1100px;

  /* ---- RADIUS ---- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 9999px;

  /* ---- SHADOWS ---- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px var(--accent-soft);

  /* ---- ANIMATIONS ---- */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --duration-fast: 0.15s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
  --duration-loader: 3s;

  /* ---- LAYOUT ---- */
  --nav-height: 60px;
  --z-cursor: 10000;
  --z-overlay: 9000;
  --z-menu: 8000;
  --z-nav: 7000;
  --z-progress: 6500;
  --z-loader: 99999;
}