/* ============================================
   WIN LIFE PHARMA — Design System Tokens
   ============================================ */

:root {
  /* ── Colors ── */
  --color-primary:        #1580c3;
  --color-primary-light:  #2996db;
  --color-primary-dark:   #0f6298;
  --color-accent-blue:    #1580c3;
  --color-accent-blue-light: #2996db;
  --color-cta:            #78be20;
  --color-cta-hover:      #609e17;
  --color-cta-light:      rgba(120, 190, 32, 0.15);

  --color-surface:        #ffffff;
  --color-surface-alt:    #f8fafc;
  --color-surface-grey:   #f1f5f9;
  --color-surface-dark:   #092f47;

  --color-text-primary:   #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted:     #94a3b8;
  --color-text-white:     #ffffff;
  --color-text-on-dark:   rgba(255, 255, 255, 0.85);

  --color-border:         #e2e8f0;
  --color-border-hover:   #cbd5e1;
  --color-divider:        rgba(255, 255, 255, 0.12);

  /* Glassmorphism */
  --glass-bg:             rgba(255, 255, 255, 0.08);
  --glass-border:         rgba(255, 255, 255, 0.15);
  --glass-bg-light:       rgba(255, 255, 255, 0.7);
  --glass-border-light:   rgba(255, 255, 255, 0.3);

  /* Gradients */
  --gradient-hero:        linear-gradient(135deg, rgba(9, 47, 71, 0.9) 0%, rgba(21, 128, 195, 0.75) 100%);
  --gradient-dark:        linear-gradient(180deg, #092f47 0%, #061e2e 100%);
  --gradient-cta:         linear-gradient(135deg, #78be20 0%, #609e17 100%);
  --gradient-blue:        linear-gradient(135deg, #2996db 0%, #1580c3 100%);
  --gradient-card:        linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  --gradient-parallax:    linear-gradient(135deg, rgba(9, 47, 71, 0.95) 0%, rgba(21, 128, 195, 0.85) 100%);

  /* ── Typography ── */
  --font-heading:   'Poppins', sans-serif;
  --font-sub:       'Montserrat', sans-serif;
  --font-body:      'Inter', sans-serif;

  --fs-display:     clamp(2.5rem, 5vw, 3.5rem);
  --fs-h1:          clamp(2rem, 4vw, 3rem);
  --fs-h2:          clamp(1.75rem, 3vw, 2.5rem);
  --fs-h3:          clamp(1.25rem, 2vw, 1.75rem);
  --fs-h4:          clamp(1.1rem, 1.5vw, 1.25rem);
  --fs-body:        1rem;
  --fs-body-lg:     1.125rem;
  --fs-caption:     0.875rem;
  --fs-small:       0.8125rem;
  --fs-overline:    0.75rem;

  --lh-tight:       1.15;
  --lh-heading:     1.25;
  --lh-body:        1.7;
  --lh-relaxed:     1.85;

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

  --ls-tight:       -0.02em;
  --ls-normal:      0;
  --ls-wide:        0.05em;
  --ls-overline:    0.12em;

  /* ── 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 */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-28:  6.25rem;   /* 100px */
  --space-32:  7.5rem;    /* 120px */

  --section-py:     var(--space-28);
  --section-py-lg:  var(--space-32);
  --container-max:  1280px;
  --container-px:   var(--space-6);

  /* ── Borders & Radius ── */
  --radius-sm:   0.5rem;    /* 8px */
  --radius-md:   0.75rem;   /* 12px */
  --radius-lg:   1rem;      /* 16px */
  --radius-xl:   1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs:       0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm:       0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:       0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg:       0 8px 40px rgba(0, 0, 0, 0.1);
  --shadow-xl:       0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-card:     0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-header:   0 2px 20px rgba(0, 0, 0, 0.08);
  --shadow-glow:     0 0 40px rgba(37, 99, 235, 0.15);
  --shadow-cta:      0 4px 16px rgba(220, 38, 38, 0.3);

  /* ── Transitions ── */
  --ease-out:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:    150ms;
  --duration-normal:  300ms;
  --duration-slow:    500ms;
  --duration-slower:  700ms;
  --transition-base:  all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast:  all 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  all 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Z-index ── */
  --z-dropdown:    100;
  --z-sticky:      200;
  --z-overlay:     300;
  --z-modal:       400;
  --z-floating:    500;
  --z-tooltip:     600;
}
