/* ══════════════════════════════════════════
   ARTIZAN — DESIGN SYSTEM (style.css)
   Shared variables, resets, base styles
══════════════════════════════════════════ */

:root {
  /* Brand colours */
  --brand-purple: #4F46E5;
  --brand-purple-dark: #3730A3;
  --brand-purple-light: #EEF2FF;
  --brand-green: #059669;
  --brand-green-dark: #047857;
  --brand-green-light: #ECFDF5;

  /* Neutrals */
  --ink-900: #0F0F10;
  --ink-800: #1C1C1E;
  --ink-700: #2C2C2E;
  --ink-600: #48484A;
  --ink-500: #636366;
  --ink-400: #8E8E93;
  --ink-300: #C7C7CC;
  --ink-200: #E5E5EA;
  --ink-100: #F2F2F7;
  --ink-50:  #FAFAFA;
  --white:   #FFFFFF;

  /* Semantic */
  --text-primary:   var(--ink-900);
  --text-secondary: var(--ink-600);
  --text-muted:     var(--ink-400);
  --border:         var(--ink-200);
  --border-strong:  var(--ink-300);
  --surface:        var(--white);
  --surface-raised: var(--ink-50);

  /* Trust colours */
  --trust-high-bg:    #ECFDF5;
  --trust-high-color: #065F46;
  --trust-mid-bg:     #FFFBEB;
  --trust-mid-color:  #92400E;
  --trust-low-bg:     #F9FAFB;
  --trust-low-color:  #6B7280;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,0.16);

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
  background: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section headers */
.section-header { text-align: center; margin-bottom: 52px; }
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-purple);
  margin-bottom: 12px;
}
.section-label.light { color: rgba(255,255,255,0.7); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--brand-purple);
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* Shared buttons */
.btn-primary-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: var(--brand-purple);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}
.btn-primary-sm:hover { background: var(--brand-purple-dark); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--brand-purple); color: var(--brand-purple); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ink-100); }
::-webkit-scrollbar-thumb { background: var(--ink-300); border-radius: 3px; }

/* Utility */
.hidden { display: none !important; }