/* ============================================================
   CODEBRIDGE TECHNOLOGIES — MAIN STYLESHEET
   cbtech.co.za | Version 1.0
============================================================ */

/* --------------------------------
   CSS CUSTOM PROPERTIES
-------------------------------- */
:root {
  --cb-primary: #0d6efd;
  --cb-primary-dark: #0a58ca;
  --cb-primary-light: #4d94ff;
  --cb-accent: #fd7e14;
  --cb-accent-dark: #e86d04;
  --cb-accent-light: #ff9a45;

  --cb-bg: #060810;
  --cb-bg-2: #0d1117;
  --cb-bg-3: #161b27;
  --cb-bg-4: #1f2937;

  --cb-white: #ffffff;
  --cb-light: #f1f5f9;
  --cb-muted: #94a3b8;
  --cb-muted-2: #64748b;

  --grad-primary: linear-gradient(135deg, #0d6efd 0%, #fd7e14 100%);
  --grad-blue: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
  --grad-orange: linear-gradient(135deg, #fd7e14 0%, #e86d04 100%);
  --grad-subtle: linear-gradient(135deg, rgba(13,110,253,0.08) 0%, rgba(253,126,20,0.08) 100%);
  --grad-card: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);

  --glass: rgba(255,255,255,0.03);
  --glass-2: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.08);
  --glass-border-2: rgba(255,255,255,0.12);

  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-blue: 0 8px 32px rgba(13,110,253,0.25);
  --shadow-orange: 0 8px 32px rgba(253,126,20,0.25);

  --sidebar-width: 268px;
  --mobile-header: 68px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t: 0.3s;
  --t-fast: 0.15s;
  --t-slow: 0.6s;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --------------------------------
   RESET & BASE
-------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  background: var(--cb-bg);
  color: var(--cb-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t) var(--ease); }
ul { list-style: none; padding: 0; margin: 0; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--cb-bg-2); }
::-webkit-scrollbar-thumb { background: var(--glass-border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--cb-primary); }

/* --------------------------------
   TYPOGRAPHY
-------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--cb-white);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; font-weight: 600; }

p { color: var(--cb-muted); }

.lead { font-size: 1.15rem; color: var(--cb-muted); line-height: 1.75; }

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-blue { color: var(--cb-primary) !important; }
.text-orange { color: var(--cb-accent) !important; }
.text-muted-custom { color: var(--cb-muted) !important; }
.text-white { color: var(--cb-white) !important; }

/* --------------------------------
   LAYOUT
-------------------------------- */
.cb-layout { display: flex; min-height: 100vh; }

.cb-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
}

/* --------------------------------
   SIDEBAR
-------------------------------- */
.cb-sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--cb-bg-2);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  z-index: 1050;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--t) var(--ease);
  scrollbar-width: none;
}
.cb-sidebar::-webkit-scrollbar { display: none; }

.cb-sidebar-brand {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.cb-sidebar-brand img { width: 155px; height: auto; }

.cb-sidebar-nav { flex: 1; padding: 0.75rem 0; }

.cb-nav-list { display: flex; flex-direction: column; }

.cb-nav-item { position: relative; }

.cb-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  color: var(--cb-muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: all var(--t) var(--ease);
  border-left: 3px solid transparent;
}

.cb-nav-link i.nav-icon {
  font-size: 1rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  transition: color var(--t) var(--ease);
}

.cb-nav-link .nav-text { flex: 1; }

.cb-nav-link .nav-arrow {
  font-size: 0.7rem;
  transition: transform var(--t) var(--ease);
  margin-left: auto;
}

.cb-nav-link:hover,
.cb-nav-link.active {
  color: var(--cb-white);
  background: var(--glass-2);
  border-left-color: var(--cb-primary);
}

.cb-nav-link:hover i.nav-icon,
.cb-nav-link.active i.nav-icon { color: var(--cb-primary); }

.cb-nav-item.open .nav-arrow { transform: rotate(180deg); }

.cb-nav-dropdown {
  display: none;
  background: rgba(0,0,0,0.25);
  border-left: 1px solid var(--glass-border);
  margin-left: 1.25rem;
}
.cb-nav-item.open .cb-nav-dropdown { display: block; }

.cb-nav-dropdown li a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem 0.55rem 1.5rem;
  color: var(--cb-muted-2);
  font-size: 0.83rem;
  transition: all var(--t) var(--ease);
}
.cb-nav-dropdown li a:hover { color: var(--cb-primary-light); }
.cb-nav-dropdown li a i { font-size: 0.78rem; }

.cb-sidebar-divider {
  height: 1px;
  background: var(--glass-border);
  margin: 0.5rem 1.25rem;
}

.cb-sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.btn-sidebar-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem;
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--t) var(--ease);
  box-shadow: var(--shadow-blue);
}
.btn-sidebar-cta:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 40px rgba(13,110,253,0.4); }

.sidebar-contact-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.sidebar-contact-list a {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; color: var(--cb-muted-2);
  transition: color var(--t) var(--ease);
}
.sidebar-contact-list a:hover { color: var(--cb-white); }
.sidebar-contact-list a i { font-size: 0.85rem; flex-shrink: 0; }
.sidebar-contact-list a.phone i { color: var(--cb-primary); }
.sidebar-contact-list a.whatsapp i { color: #25d366; }

/* --------------------------------
   MOBILE HEADER
-------------------------------- */
.cb-mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--mobile-header);
  background: rgba(6,8,16,0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1040;
  padding: 0 1rem;
  align-items: center;
  justify-content: space-between;
}

.mobile-logo img { height: 38px; width: auto; }

.mobile-header-right { display: flex; align-items: center; gap: 0.75rem; }

.btn-mobile-cta {
  padding: 0.4rem 1rem;
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--t) var(--ease);
}
.btn-mobile-cta:hover { color: #fff; transform: scale(1.03); }

.cb-hamburger {
  width: 38px; height: 38px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  background: var(--glass-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}
.cb-hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--cb-light); border-radius: 1px;
  transition: all var(--t) var(--ease); transform-origin: center;
}
.cb-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.cb-hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.cb-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Overlay */
.cb-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 1030;
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}
.cb-overlay.active { display: block; opacity: 1; }

/* --------------------------------
   RESPONSIVE
-------------------------------- */
@media (max-width: 1199px) {
  .cb-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .cb-sidebar.active { transform: translateX(0); }
  .cb-main { margin-left: 0; padding-top: var(--mobile-header); }
  .cb-mobile-header { display: flex; }
}

/* --------------------------------
   SECTION UTILITIES
-------------------------------- */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-lg { padding: 7rem 0; }
.section-dark { background: var(--cb-bg); }
.section-darker { background: var(--cb-bg-2); }

.section-head { text-align: center; margin-bottom: 3.5rem; }

.label-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cb-accent);
  margin-bottom: 1rem;
}
.label-tag::before, .label-tag::after {
  content: '';
  display: block; width: 20px; height: 1px;
  background: var(--cb-accent);
}

.section-head h2 { margin-bottom: 1rem; }
.section-head p { color: var(--cb-muted); max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* --------------------------------
   FOOTER
-------------------------------- */
.cb-footer {
  background: var(--cb-bg-2);
  border-top: 1px solid var(--glass-border);
}

.footer-main { padding: 4.5rem 0 2rem; }

.footer-brand img { width: 155px; margin-bottom: 1.25rem; }
.footer-brand p { color: var(--cb-muted); font-size: 0.9rem; line-height: 1.75; margin-bottom: 1.5rem; }

.footer-social { display: flex; gap: 0.625rem; }
.footer-social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); color: var(--cb-muted);
  font-size: 0.9rem; transition: all var(--t) var(--ease);
}
.footer-social a:hover { background: var(--grad-primary); border-color: transparent; color: #fff; transform: translateY(-2px); }

.cb-footer h5 {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--cb-white); margin-bottom: 1.25rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { color: var(--cb-muted); font-size: 0.9rem; transition: color var(--t) var(--ease); }
.footer-links a:hover { color: var(--cb-primary); }

.footer-contact-list { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 0.75rem; }
.footer-contact-list li i { color: var(--cb-primary); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.footer-contact-list li a, .footer-contact-list li span { color: var(--cb-muted); font-size: 0.9rem; }
.footer-contact-list li a:hover { color: var(--cb-primary); }

.footer-bottom {
  padding: 1.25rem 0;
  border-top: 1px solid var(--glass-border);
}
.footer-bottom p { color: var(--cb-muted-2); font-size: 0.85rem; margin: 0; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: var(--cb-muted-2); font-size: 0.85rem; }
.footer-bottom-links a:hover { color: var(--cb-primary); }

/* --------------------------------
   FLOATING ELEMENTS
-------------------------------- */
.floating-wa {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  background: #25d366; color: #fff;
  border-radius: 50%; font-size: 1.5rem;
  box-shadow: 0 4px 24px rgba(37,211,102,0.4);
  z-index: 900; transition: all var(--t) var(--ease-spring);
}
.floating-wa:hover { color: #fff; transform: scale(1.12); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }

.floating-book {
  position: fixed; bottom: 6.5rem; right: 2rem;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  background: var(--grad-primary); color: #fff;
  font-size: 0.82rem; font-weight: 600;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-blue);
  z-index: 900; transition: all var(--t) var(--ease);
}
.floating-book:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 40px rgba(13,110,253,0.4); }

/* --------------------------------
   SCROLL REVEAL ANIMATIONS
-------------------------------- */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

.reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }
.reveal-left.in-view { opacity: 1; transform: translateX(0); }

.reveal-right { opacity: 0; transform: translateX(28px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }
.reveal-right.in-view { opacity: 1; transform: translateX(0); }

[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }

/* --------------------------------
   BADGES / TAGS
-------------------------------- */
.cb-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.73rem; font-weight: 600; letter-spacing: 0.04em;
}
.cb-badge-primary { background: rgba(13,110,253,0.15); color: var(--cb-primary-light); border: 1px solid rgba(13,110,253,0.2); }
.cb-badge-accent  { background: rgba(253,126,20,0.15);  color: var(--cb-accent-light);   border: 1px solid rgba(253,126,20,0.2); }
.cb-badge-green   { background: rgba(16,185,129,0.15);  color: #34d399;                  border: 1px solid rgba(16,185,129,0.2); }
.cb-badge-purple  { background: rgba(139,92,246,0.15);  color: #a78bfa;                  border: 1px solid rgba(139,92,246,0.2); }

/* --------------------------------
   BACKGROUND HELPERS
-------------------------------- */
.bg-grid-pattern {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.glow-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none; z-index: 0;
}
.glow-orb-blue { background: rgba(13,110,253,0.18); }
.glow-orb-orange { background: rgba(253,126,20,0.14); }

/* --------------------------------
   DIVIDERS
-------------------------------- */
.divider-gradient {
  height: 1px; border: none;
  background: linear-gradient(90deg, transparent, var(--cb-primary), var(--cb-accent), transparent);
  margin: 0; opacity: 0.4;
}

/* --------------------------------
   BREADCRUMB
-------------------------------- */
.cb-breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.83rem; color: var(--cb-muted-2); margin-bottom: 1.5rem; flex-wrap: wrap; }
.cb-breadcrumb a { color: var(--cb-muted-2); }
.cb-breadcrumb a:hover { color: var(--cb-primary); }
.cb-breadcrumb .sep { color: var(--cb-muted-2); font-size: 0.65rem; }
.cb-breadcrumb .current { color: var(--cb-muted); }

/* --------------------------------
   MISC UTILITIES
-------------------------------- */
.border-gradient {
  border: 1px solid transparent;
  background-clip: padding-box;
  position: relative;
}
.border-gradient::before {
  content: '';
  position: absolute; inset: -1px;
  background: var(--grad-primary);
  border-radius: inherit; z-index: -1;
}