/* ============================================================
   INTELTEK AFRICA — Design System (Light Theme)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Colors */
  --primary:        #7C3AED;
  --primary-light:  #9D6FF2;
  --primary-dark:   #5B21B6;
  --accent:         #D61F8A;
  --accent-light:   #EC4899;
  --electric:       #0EA5E9;
  --green:          #10B981;
  --orange:         #F59E0B;
  --red:            #EF4444;

  /* Light Backgrounds */
  --bg-page:      #FFFFFF;
  --bg-section:   #F7F8FD;
  --bg-alt:       #F0F4FF;
  --bg-card:      #FFFFFF;
  --bg-surface:   #F3F4F6;
  --bg-dark:      #1A1A2E;

  /* Text */
  --text-primary:   #1A1A2E;
  --text-secondary: #374151;
  --text-muted:     #6B7280;
  --text-light:     #9CA3AF;
  --text-white:     #FFFFFF;

  /* Borders */
  --border:         #E5E7EB;
  --border-primary: rgba(124, 58, 237, 0.2);
  --border-hover:   rgba(124, 58, 237, 0.5);

  /* Gradients */
  --gradient-primary:  linear-gradient(135deg, #7C3AED 0%, #D61F8A 100%);
  --gradient-accent:   linear-gradient(135deg, #D61F8A 0%, #F59E0B 100%);
  --gradient-electric: linear-gradient(135deg, #0EA5E9 0%, #7C3AED 100%);
  --gradient-green:    linear-gradient(135deg, #10B981 0%, #0EA5E9 100%);
  --gradient-hero:     linear-gradient(135deg, rgba(26,26,46,0.82) 0%, rgba(91,33,182,0.65) 100%);

  /* Shadows — soft for light bg */
  --shadow-xs:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.12);
  --shadow-xl:   0 16px 64px rgba(0,0,0,0.14);
  --shadow-glow: 0 4px 24px rgba(124,58,237,0.18);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.07);

  /* Typography */
  --font-display: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-body:    'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

  /* Layout */
  --navbar-height: 76px;
  --section-py:    90px;
  --section-py-sm: 56px;
  --container-max: 1200px;
  --container-px:  24px;

  /* Radius */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* Transitions */
  --tr-fast:   0.15s ease;
  --tr-normal: 0.28s ease;
  --tr-slow:   0.5s ease;
}

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

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
h1 { font-size: clamp(1.9rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: clamp(1rem, 2vw, 1.2rem); }
p  { font-size: 1rem; color: var(--text-secondary); line-height: 1.75; }

/* ----- Container ----- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-px); }
.container--wide { max-width: 1400px; margin: 0 auto; padding: 0 var(--container-px); }

/* ----- Section ----- */
.section      { padding: var(--section-py) 0; background: var(--bg-page); }
.section--alt { padding: var(--section-py) 0; background: var(--bg-section); }
.section--dark { padding: var(--section-py) 0; background: var(--bg-dark); }
.section--sm  { padding: var(--section-py-sm) 0; }

/* ----- Section Header ----- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(124,58,237,0.08);
  border: 1px solid rgba(124,58,237,0.2);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.section-header h2 { color: var(--text-primary); margin-bottom: 12px; }
.section-header h2 .accent { color: var(--primary); }
.section-header h2 .gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header p { max-width: 580px; margin: 0 auto; color: var(--text-muted); }

/* ----- Text Utilities ----- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-primary-color { color: var(--primary); }
.text-accent        { color: var(--accent); }
.text-muted         { color: var(--text-muted); }
.text-center        { text-align: center; }

/* ----- Divider ----- */
.divider {
  width: 48px; height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin: 14px auto;
}
.divider--left { margin: 14px 0; }

/* ----- Section Divider ----- */
.section-divider { height: 1px; background: var(--border); }

/* ----- Grid ----- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --section-py: 56px; --container-px: 16px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section-header { margin-bottom: 36px; }
}
@media (max-width: 480px) { :root { --section-py: 44px; } }