/* ============================================
   NIVAM — Design System Variables
   Brand: Forest Green + Warm Gold
   Philosophy: Darkness to Light
   ============================================ */

:root {

  /* ── BRAND CORE ── */
  --clr-green:          #1A6B3A;
  --clr-green-dark:     #124D2A;
  --clr-green-mid:      #1E8048;
  --clr-green-light:    #E8F5EE;
  --clr-green-glow:     rgba(26, 107, 58, 0.35);

  --clr-gold:           #F2C12E;
  --clr-gold-dark:      #C99B1A;
  --clr-gold-deep:      #A67C00;
  --clr-gold-light:     #FDF6DC;
  --clr-gold-glow:      rgba(242, 193, 46, 0.30);

  /* ── DARK BACKGROUNDS ── */
  --clr-bg-darkest:     #060E09;
  --clr-bg-dark:        #0C1810;
  --clr-bg-mid:         #112016;
  --clr-bg-surface:     #162B1C;
  --clr-bg-glass:       rgba(22, 43, 28, 0.60);

  /* ── LIGHT SECTION BACKGROUNDS ── */
  --clr-bg-light:       #F0F7F3;
  --clr-bg-ivory:       #FAFAF7;
  --clr-bg-gold-tint:   #FEFAEE;
  --clr-white:          #FFFFFF;

  /* ── TEXT ── */
  --clr-text-light:     #F2F7F4;
  --clr-text-muted-light: rgba(242, 247, 244, 0.65);
  --clr-text-dark:      #0F1E13;
  --clr-text-muted-dark: #5A7063;

  /* ── BORDERS ── */
  --clr-border-dark:    rgba(242, 193, 46, 0.15);
  --clr-border-green:   rgba(26, 107, 58, 0.20);
  --clr-border-light:   rgba(26, 107, 58, 0.12);

  /* ── GRADIENTS ── */
  --grad-hero:          linear-gradient(160deg, #060E09 0%, #0C1810 40%, #1A6B3A 100%);
  --grad-hero-radial:   radial-gradient(ellipse at 70% 50%, rgba(26,107,58,0.4) 0%, transparent 70%);
  --grad-gold:          linear-gradient(135deg, #F2C12E 0%, #C99B1A 100%);
  --grad-gold-soft:     linear-gradient(135deg, #F2C12E 0%, #E8B86D 100%);
  --grad-green:         linear-gradient(135deg, #1A6B3A 0%, #124D2A 100%);
  --grad-dark:          linear-gradient(160deg, #060E09 0%, #0C1810 100%);
  --grad-cta:           linear-gradient(135deg, #0C1810 0%, #1A6B3A 60%, #124D2A 100%);
  --grad-card-dark:     linear-gradient(145deg, rgba(22,43,28,0.9) 0%, rgba(12,24,16,0.95) 100%);
  --grad-glass:         linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);
  --grad-section-light: linear-gradient(180deg, #FAFAF7 0%, #F0F7F3 100%);

  /* ── GLOW EFFECTS ── */
  --glow-gold:          0 0 40px rgba(242, 193, 46, 0.25), 0 0 80px rgba(242, 193, 46, 0.10);
  --glow-green:         0 0 40px rgba(26, 107, 58, 0.30), 0 0 80px rgba(26, 107, 58, 0.12);
  --glow-card:          0 8px 32px rgba(0, 0, 0, 0.40), 0 2px 8px rgba(242,193,46,0.08);

  /* ── SHADOWS ── */
  --shadow-card-dark:   0 4px 24px rgba(0,0,0,0.40), 0 1px 4px rgba(242,193,46,0.06);
  --shadow-card-light:  0 4px 24px rgba(26,107,58,0.10), 0 1px 4px rgba(26,107,58,0.05);
  --shadow-hover:       0 16px 48px rgba(0,0,0,0.15), 0 4px 16px rgba(26,107,58,0.15);
  --shadow-gold:        0 4px 20px rgba(242,193,46,0.40), 0 1px 6px rgba(242,193,46,0.20);
  --shadow-btn:         0 4px 16px rgba(242,193,46,0.35);
  --shadow-nav:         0 2px 24px rgba(0,0,0,0.30);

  /* ── TYPOGRAPHY ── */
  --ff-display:         'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --ff-body:            'Poppins', system-ui, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.0625rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  clamp(1.75rem, 3vw, 2.25rem);
  --fs-4xl:  clamp(2rem, 4vw, 2.75rem);
  --fs-5xl:  clamp(2.5rem, 5.5vw, 4rem);
  --fs-hero: clamp(2.8rem, 6vw, 5rem);

  /* ── SPACING ── */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;
  --sp-4: 1rem;     --sp-5: 1.25rem;  --sp-6: 1.5rem;
  --sp-7: 1.75rem;  --sp-8: 2rem;     --sp-10: 2.5rem;
  --sp-12: 3rem;    --sp-16: 4rem;    --sp-20: 5rem;
  --sp-24: 6rem;    --sp-32: 8rem;

  /* ── BORDER RADIUS ── */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-2xl:  36px;
  --radius-pill: 100px;
  --radius-full: 9999px;

  /* ── MOTION ── */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 180ms;
  --duration-mid:  380ms;
  --duration-slow: 650ms;

  /* ── LAYOUT ── */
  --container-max: 1260px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);
  --section-py:    clamp(4rem, 8vw, 8rem);
  --nav-height:    80px;
  --container-wide: 1400px;

  /* ── BACKWARD COMPAT ALIASES ── */
  --clr-primary:        var(--clr-green);
  --clr-primary-dark:   var(--clr-green-dark);
  --clr-primary-light:  var(--clr-green-light);
  --clr-accent:         var(--clr-gold);
  --clr-accent-light:   var(--clr-gold-light);
  --clr-dark:           var(--clr-bg-darkest);
  --clr-charcoal:       var(--clr-bg-dark);
  --clr-text:           var(--clr-text-dark);
  --clr-text-muted:     var(--clr-text-muted-dark);
  --clr-border:         var(--clr-border-light);
  --clr-bg:             var(--clr-bg-ivory);
  --clr-bg-gold:        var(--clr-bg-gold-tint);
  --clr-surface:        var(--clr-white);

  --ff-heading:         var(--ff-display);
  --font-heading:       var(--ff-display);
  --font-body:          var(--ff-body);
  --font-primary:       var(--ff-body);
  --font-accent:        var(--ff-display);
  --font-devanagari:    'Noto Sans Devanagari', sans-serif;

  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semi:    600;
  --fw-bold:    700;
  --fw-black:   900;

  --transition-fast: all var(--duration-fast) var(--ease-out);
  --transition-base: all var(--duration-mid) var(--ease-smooth);
  --transition-slow: all var(--duration-slow) var(--ease-out);

  --shadow-sm:   var(--shadow-card-light);
  --shadow-md:   0 8px 28px rgba(26,107,58,0.12);
  --shadow-lg:   0 12px 40px rgba(26,107,58,0.15);
  --shadow-xl:   0 20px 60px rgba(26,107,58,0.18);
  --shadow-glow: var(--shadow-gold);

  --grad-primary: var(--grad-green);
  --grad-accent:  var(--grad-gold);
  --grad-card-hover: linear-gradient(135deg, #E8F5EE 0%, #FFFFFF 100%);

  --space-xs: 4px; --space-sm: 8px; --space-md: 16px;
  --space-lg: 24px; --space-xl: 32px; --space-2xl: 48px;
}