/* ==========================================================================
   CODAR TECH AFRICA - THEME & DESIGN SYSTEM
   Light & Dark Mode CSS Variables
   ========================================================================== */

:root {
  /* ===== Brand Colors ===== */
  --codar-primary: #0A2A6E;
  /* --codar-primary: #4E48B2; */
  --codar-primary-dark: #061E52;
  --codar-primary-light: #1E5EFF;
  --codar-accent: #F5B400;
  --codar-accent-dark: #D89E00;
  --codar-success: #10B981;
  --codar-danger: #EF4444;
  --codar-warning: #F59E0B;
  --codar-info: #3B82F6;

  /* ===== Light Theme (default) ===== */
  --bg-body: #ffffff;
  --bg-soft: #F4F7FE;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --bg-navbar: rgba(255, 255, 255, 0.95);
  --bg-footer: #061E52;
  --bg-overlay: rgba(10, 42, 110, 0.85);

  --text-primary: #0A1733;
  --text-secondary: #4B5572;
  --text-muted: #7A839A;
  --text-on-primary: #ffffff;
  --text-on-dark: #ffffff;
  --text-link: var(--codar-primary-light);

  --border-color: #E4E8F2;
  --border-soft: #EEF1F8;

  --shadow-sm: 0 1px 3px rgba(10, 42, 110, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 42, 110, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 42, 110, 0.12);
  --shadow-xl: 0 24px 64px rgba(10, 42, 110, 0.16);
  --shadow-blue: 0 12px 32px rgba(30, 94, 255, 0.25);

  /* ===== Typography ===== */
  --font-heading: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* ===== Spacing & Radius ===== */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* ===== Transitions ===== */
  --transition-fast: 0.18s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* ===== Gradients ===== */
  --gradient-primary: linear-gradient(135deg, #0A2A6E 0%, #1E5EFF 100%);
  --gradient-accent: linear-gradient(135deg, #F5B400 0%, #FFD449 100%);
  --gradient-hero: linear-gradient(135deg, #061E52 0%, #0A2A6E 50%, #1E5EFF 100%);
  --gradient-soft: linear-gradient(135deg, #F4F7FE 0%, #E8EFFF 100%);
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
  --bg-body: #0A1129;
  --bg-soft: #0F1A3A;
  --bg-card: #131F45;
  --bg-elevated: #182954;
  --bg-navbar: rgba(10, 17, 41, 0.95);
  --bg-footer: #04102E;
  --bg-overlay: rgba(4, 16, 46, 0.92);

  --text-primary: #F1F5FF;
  --text-secondary: #B8C2DC;
  --text-muted: #8995B4;
  --text-on-primary: #ffffff;
  --text-on-dark: #ffffff;
  --text-link: #5D8BFF;

  --border-color: #25325A;
  --border-soft: #1B2647;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-blue: 0 12px 32px rgba(30, 94, 255, 0.4);

  --gradient-soft: linear-gradient(135deg, #0F1A3A 0%, #182954 100%);
}

/* ==========================================================================
   GLOBAL RESETS & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; }

p { color: var(--text-secondary); margin-bottom: 1rem; }

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--codar-primary); }

img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--codar-primary-light); color: #fff; }

/* ===== Section spacing ===== */
.section-padding { padding: 100px 0; }
.section-padding-sm { padding: 70px 0; }

@media (max-width: 767.98px) {
  .section-padding { padding: 60px 0; }
  .section-padding-sm { padding: 45px 0; }
}

/* ===== Section heading ===== */
.section-heading { margin-bottom: 60px; }
.section-heading .badge-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(30, 94, 255, 0.1);
  color: var(--codar-primary-light);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
[data-theme="dark"] .section-heading .badge-tag {
  background: rgba(93, 139, 255, 0.15);
  color: #5D8BFF;
}

.section-heading h2 { margin-bottom: 16px; }
.section-heading p { font-size: 1.05rem; max-width: 700px; margin: 0 auto; }
.section-heading.text-start p { margin: 0; }

/* ===== Text gradient ===== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-accent { color: var(--codar-accent); }
.text-primary-codar { color: var(--codar-primary-light) !important; }

/* ===== Buttons ===== */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}

.btn-primary-codar {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-blue);
}
.btn-primary-codar:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(30, 94, 255, 0.4);
  color: #fff;
}

.btn-accent {
  background: var(--codar-accent);
  color: #0A1733;
  border: none;
}
.btn-accent:hover {
  background: var(--codar-accent-dark);
  transform: translateY(-2px);
  color: #0A1733;
}

.btn-outline-codar {
  background: transparent;
  color: var(--codar-primary-light);
  border: 2px solid var(--codar-primary-light);
}
.btn-outline-codar:hover {
  background: var(--codar-primary-light);
  color: #fff;
  transform: translateY(-2px);
}

.btn-light-codar {
  background: #fff;
  color: var(--codar-primary);
  border: none;
}
.btn-light-codar:hover {
  background: #fff;
  color: var(--codar-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: none;
}
.btn-ghost:hover { color: var(--codar-primary-light); }

.btn-lg-codar { padding: 16px 36px; font-size: 1rem; }
.btn-sm-codar { padding: 8px 20px; font-size: 0.85rem; }

/* ===== Cards ===== */
.codar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}
.codar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--codar-primary-light);
}

/* ===== Form elements ===== */
.form-control, .form-select {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.form-control:focus, .form-select:focus {
  background: var(--bg-card);
  border-color: var(--codar-primary-light);
  box-shadow: 0 0 0 4px rgba(30, 94, 255, 0.12);
  color: var(--text-primary);
}
.form-control::placeholder { color: var(--text-muted); }
.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

/* ===== Utility ===== */
.bg-soft { background: var(--bg-soft); }
.bg-primary-codar { background: var(--gradient-primary); color: #fff; }
.bg-primary-codar p, .bg-primary-codar h1, .bg-primary-codar h2,
.bg-primary-codar h3, .bg-primary-codar h4 { color: #fff; }
.bg-primary-codar p { color: rgba(255,255,255,0.85); }

.divider-line {
  width: 60px; height: 4px;
  background: var(--gradient-accent);
  border-radius: 4px;
  margin: 0 auto 24px;
}
.divider-line.start { margin-left: 0; }

/* ===== Icon box ===== */
.icon-box {
  width: 64px; height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(30, 94, 255, 0.1);
  color: var(--codar-primary-light);
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: all var(--transition-base);
}
.icon-box.gradient {
  background: var(--gradient-primary);
  color: #fff;
}
.icon-box.accent {
  background: rgba(245, 180, 0, 0.15);
  color: var(--codar-accent-dark);
}
[data-theme="dark"] .icon-box {
  background: rgba(93, 139, 255, 0.15);
  color: #7BA1FF;
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(30, 94, 255, 0.4); }
  50% { box-shadow: 0 0 0 16px rgba(30, 94, 255, 0); }
}
.float-anim { animation: float 4s ease-in-out infinite; }
.fade-up { animation: fadeUp 0.6s ease both; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: var(--codar-primary-light); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--codar-primary); }

/* ===== Selection helpers ===== */
.shape-blob {
  position: absolute;
  width: 400px; height: 400px;
  background: var(--gradient-primary);
  filter: blur(120px);
  opacity: 0.15;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}