/* =========================================================
   DESIGN TOKENS
   Interactive Proposal Design System v1
   Healthcare Platform — Podiatry Telemedicine
   ========================================================= */

:root {
  /* ----- PRIMARY PALETTE ----- */
  --color-midnight: #0A1220;
  --color-midnight-deep: #060B16;
  --color-midnight-soft: #111A2C;
  --color-white: #F5F8FC;

  /* ----- SECONDARY (ACCENTS) ----- */
  --color-cyan: #3FD0FF;
  --color-cyan-soft: rgba(63, 208, 255, 0.16);
  --color-cyan-glow: rgba(63, 208, 255, 0.45);
  --color-teal: #0FBF9F;
  --color-teal-soft: rgba(15, 191, 159, 0.14);

  /* ----- SUPPORTING ----- */
  --color-platinum: #B8C2CC;
  --color-muted: #7E8A9A;
  --color-faint: #4A5566;

  /* ----- STRATEGIC ACCENT ----- */
  --color-crimson: #9D1F2D;

  /* ----- SURFACES ----- */
  --surface-glass: rgba(255, 255, 255, 0.06);
  --surface-glass-strong: rgba(255, 255, 255, 0.09);
  --surface-glass-faint: rgba(255, 255, 255, 0.03);
  --surface-border: rgba(255, 255, 255, 0.08);
  --surface-border-strong: rgba(255, 255, 255, 0.14);
  --surface-border-accent: rgba(63, 208, 255, 0.22);

  /* ----- TYPOGRAPHY ----- */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* ----- TYPE SCALE ----- */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 4rem;
  --fs-5xl: 5.5rem;
  --fs-hero: clamp(2.75rem, 6vw, 5.5rem);
  --fs-section: clamp(2rem, 4vw, 3.5rem);

  /* ----- SPACING ----- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --space-section: clamp(5rem, 10vw, 9rem);

  /* ----- CONTAINERS ----- */
  --container-xl: 1600px;
  --container-lg: 1280px;
  --container-md: 1080px;
  --container-sm: 768px;
  --container-gutter: clamp(1.5rem, 4vw, 3rem);

  /* ----- RADII ----- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 22px;
  --radius-pill: 999px;

  /* ----- DURATIONS ----- */
  --duration-fast: 0.35s;
  --duration-medium: 0.75s;
  --duration-slow: 1.2s;
  --duration-cinematic: 2s;

  /* ----- EASINGS ----- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-expo: cubic-bezier(0.19, 1, 0.22, 1);

  /* ----- Z-INDEX ----- */
  --z-base: 1;
  --z-content: 10;
  --z-nav: 50;
  --z-overlay: 80;
  --z-modal: 100;
  --z-toast: 120;

  /* ----- SHADOWS ----- */
  --shadow-glow-cyan: 0 0 32px rgba(63, 208, 255, 0.25);
  --shadow-glow-cyan-strong: 0 0 48px rgba(63, 208, 255, 0.42);
  --shadow-card: 0 18px 48px rgba(0, 0, 0, 0.42), 0 2px 6px rgba(0, 0, 0, 0.18);
  --shadow-elevated: 0 32px 80px rgba(0, 0, 0, 0.55);

  /* ----- GRADIENTS ----- */
  --gradient-hero: radial-gradient(ellipse at 50% 30%, rgba(63, 208, 255, 0.18) 0%, rgba(10, 18, 32, 0) 55%);
  --gradient-section: linear-gradient(180deg, rgba(63, 208, 255, 0.03) 0%, rgba(10, 18, 32, 0) 100%);
  --gradient-line-cyan: linear-gradient(90deg, rgba(63, 208, 255, 0) 0%, rgba(63, 208, 255, 0.55) 50%, rgba(63, 208, 255, 0) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-teal) 100%);
}