/* ============================================================
   BFLY REVIEWS — Design System
   Theme: Light Editorial — inspired by GearLab's clean, trustworthy style
   Primary: Forest Green · Background: Clean White · Text: Charcoal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Color Tokens ── */
:root {
  /* Surfaces */
  --color-background:             #ffffff;
  --color-surface:                #ffffff;
  --color-surface-dim:            #f0f4f0;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low:  #f5f7f5;
  --color-surface-container:      #edf2ed;
  --color-surface-container-high: #e2ebe2;
  --color-surface-container-highest: #d6e3d6;
  --color-surface-bright:         #ffffff;

  /* Brand — Forest Green (GearLab-inspired) */
  --color-primary:                #2d6a2d;
  --color-primary-container:      #3a8c3a;
  --color-primary-dim:            #245424;
  --color-primary-light:          #e8f4e8;
  --color-primary-xlight:         #f0f8f0;

  /* Secondary — Warm Amber/Orange for CTAs */
  --color-secondary:              #e07b00;
  --color-secondary-container:    #f59c2a;
  --color-secondary-dim:          #c46a00;
  --color-secondary-light:        #fff3e0;

  /* Tertiary — Deep teal */
  --color-tertiary:               #1a6b6b;

  /* On-Colors */
  --color-on-background:          #1a1f1a;
  --color-on-surface:             #1a1f1a;
  --color-on-surface-variant:     #4a554a;
  --color-on-surface-subtle:      #7a897a;
  --color-on-primary:             #ffffff;
  --color-on-secondary:           #ffffff;

  /* Outline */
  --color-outline:                #a8baa8;
  --color-outline-variant:        #d0ddd0;
  --color-divider:                #e8f0e8;

  /* Semantic */
  --color-error:                  #c0392b;
  --color-success:                #2d6a2d;
  --color-warning:                #e07b00;

  /* ── Typography ── */
  --font-headline: 'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-label:    'Inter', sans-serif;

  /* Type Scale */
  --text-display-lg:  3.5rem;
  --text-display-md:  2.75rem;
  --text-display-sm:  2.25rem;
  --text-headline-lg: 2rem;
  --text-headline-md: 1.75rem;
  --text-headline-sm: 1.5rem;
  --text-title-lg:    1.25rem;
  --text-title-md:    1.125rem;
  --text-title-sm:    1rem;
  --text-body-lg:     1rem;
  --text-body-md:     0.9375rem;
  --text-body-sm:     0.875rem;
  --text-label-lg:    0.875rem;
  --text-label-md:    0.8125rem;
  --text-label-sm:    0.75rem;

  /* ── Shape ── */
  --radius-none:   0px;
  --radius-xs:     2px;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     12px;
  --radius-xl:     16px;
  --radius-2xl:    24px;
  --radius-full:   9999px;

  /* ── Spacing ── */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-5:   20px;
  --space-6:   24px;
  --space-7:   28px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;

  /* ── Transitions ── */
  --transition-fast:     0.15s ease-out;
  --transition-standard: 0.3s ease-out;
  --transition-slow:     0.5s ease-out;

  /* ── Shadows (clean, editorial) ── */
  --shadow-xs:  0 1px 3px rgba(0,0,0,0.06);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-glow-primary:   0 0 20px rgba(45,106,45,0.15);
  --shadow-glow-secondary: 0 0 20px rgba(224,123,0,0.2);
}

/* ── Global Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-background);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Typography Base ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
}

h1 { font-size: var(--text-display-md); letter-spacing: -0.03em; }
h2 { font-size: var(--text-headline-lg); }
h3 { font-size: var(--text-headline-sm); }
h4 { font-size: var(--text-title-lg); }
h5 { font-size: var(--text-title-md); }
h6 { font-size: var(--text-title-sm); }

p { color: var(--color-on-surface-variant); line-height: 1.75; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-container); }

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ── Selection ── */
::selection {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface-container-low); }
::-webkit-scrollbar-thumb { background: var(--color-outline); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-on-surface-subtle); }

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ── Utility Classes ── */
.text-primary   { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-muted     { color: var(--color-on-surface-variant) !important; }
.text-headline  { font-family: var(--font-headline) !important; }

.bg-surface     { background: var(--color-surface); }
.bg-container   { background: var(--color-surface-container); }
.bg-primary     { background: var(--color-primary); color: var(--color-on-primary); }

.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.truncate  { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Grid System ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }
  h1 { font-size: var(--text-display-sm); }
}