/**
 * TRADIES AUSTRALIA - UNIVERSAL STYLES
 * Jack1001 Sovereign Recursion Engine  
 * Billion-Dollar Design System
 */

/* ============================================================================
   DESIGN TOKENS
   ============================================================================ */
:root {
  /* Colors */
  --primary: #d97757;
  --primary-dark: #c25a3a;
  --primary-light: #e39678;
  --sage: #8a9a7b;
  --sage-dark: #6b7a5f;
  --cream: #faf8f3;
  --warm-white: #fff9f0;
  --text: #2d2d2d;
  --text-light: #6b6b6b;
  --text-lighter: #999;
  --border: #e8e3d8;
  --success: #4caf50;
  --error: #f44336;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  
  /* Typography */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Caveat', cursive;
  
  /* Borders */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 32px rgba(0,0,0,0.16);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-header: 1000;
  --z-mobile-menu: 1100;
  --z-modal: 1200;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ============================================================================
   UNIVERSAL HEADER
   ============================================================================ */
.universal-header {
  background: var(--warm-white);
  border-bottom: 3px solid var(--primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-icon {
  font-size: 36px;
  line-height: 1;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(217, 119, 87, 0.08);
}

.nav-btn {
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.nav-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-xs);
  cursor: pointer;
  position: relative;
  width: 32px;
  height: 32px;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hamburger::before,
.hamburger::after {
  content: '';
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.mobile-menu-toggle.active .hamburger {
  background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--warm-white);
  padding: var(--space-lg);
  overflow-y: auto;
  z-index: var(--z-mobile-menu);
  opacity: 0;
  transform: translateY(-20px);
  transition: all var(--transition-base);
}

.mobile-menu.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-md);
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover {
  background: rgba(217, 119, 87, 0.08);
  color: var(--primary);
}

.mobile-contact {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--cream);
  border-radius: var(--radius-md);
  text-align: center;
}

.mobile-contact a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

/* ============================================================================
   UNIVERSAL FOOTER
   ============================================================================ */
.universal-footer {
  background: var(--text);
  color: white;
  margin-top: var(--space-3xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--primary-light);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
  font-size: 14px;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: white;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
}

.btn-large {
  padding: 20px 40px;
  font-size: 18px;
  min-height: 64px;
}

.btn-block {
  width: 100%;
  display: flex;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ============================================================================
   UTILITIES
   ============================================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }