/* ================================
   DONCONT GROUP - REFINED MAIN STYLES
   ================================ */

/* CSS Variables - Improved Color System */
:root {
  /* Primary Colors */
  --red: #DC2626;
  --red-dark: #B91C1C;
  --red-light: #EF4444;
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #3B82F6;
  
  /* Neutral Colors - Better Contrast */
  --white: #FFFFFF;
  --black: #000000;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --text-inverse: #FFFFFF;
  
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-muted: #F3F4F6;
  
  --border-light: #F3F4F6;
  --border-default: #E5E7EB;
  --border-strong: #D1D5DB;
  
  /* Status Colors */
  --success: #059669;
  --warning: #D97706;
  --danger: #DC2626;
  --info: #0284C7;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Consistent Spacing Scale */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--space-5);
  --section-padding: var(--space-20) 0;
  --section-padding-sm: var(--space-16) 0;
  --header-height: 80px;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Improved Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h1 { 
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

h2 { 
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-5);
}

h3 { 
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

h4 { 
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

h5 { 
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

h6 { 
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-4);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-large {
  font-size: 1.125rem;
  line-height: 1.7;
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Links */
a {
  color: var(--blue);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover, a:focus {
  color: var(--blue-dark);
}

/* Images */
img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Spacing - Better Consistency */
.section {
  padding: var(--section-padding);
}

.section-sm {
  padding: var(--section-padding-sm);
}

/* Background Variants - Better Contrast */
.bg-light {
  background-color: var(--bg-secondary);
}

.bg-white {
  background-color: var(--bg-primary);
}

.bg-muted {
  background-color: var(--bg-muted);
}

.bg-dark {
  background-color: var(--gray-900);
  color: var(--text-inverse);
}

.bg-primary {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--text-inverse);
}

.bg-secondary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--text-inverse);
}

/* Enhanced Button System - Better Colors */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--blue-light);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants - Improved Contrast */
.btn-primary {
  background: var(--red);
  color: var(--text-inverse);
  border-color: var(--red);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--blue);
  color: var(--text-inverse);
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}

.btn-outline:hover:not(:disabled) {
  background: var(--red);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

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

.btn-white:hover:not(:disabled) {
  background: var(--gray-100);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-inverse);
  border-color: var(--white);
}

.btn-outline-white:hover:not(:disabled) {
  background: var(--white);
  color: var(--text-primary);
}

/* Button Sizes - Better Spacing */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: 1.25rem;
}

.btn-block {
  width: 100%;
}

/* Enhanced Header - Better Spacing */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
  z-index: var(--z-fixed);
  transition: var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-8);
}

/* Logo Styling - Better Spacing */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo-img {
  width: 80px;  /* or whatever size you prefer */
  height: auto;
  border-radius: var(--radius-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.logo-name {
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--text-primary);
  line-height: 1;
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1;
}

/* Enhanced Navigation - Better Spacing */
.main-nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
  height: 100%;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--red);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Enhanced Dropdown - Better Colors */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 600px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-normal);
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-fast);
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--bg-secondary);
  transform: translateX(4px);
}

.dropdown-item:nth-child(odd) {
  border-right: 1px solid var(--border-light);
}

.dropdown-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.dropdown-icon {
  width: 28px;
  height: 28px;
  color: var(--blue);
  flex-shrink: 0;
}

.dropdown-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.dropdown-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Header Contact - Better Styling */
.header-contact {
  display: flex;
  align-items: center;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

.phone-link:hover {
  background: var(--red);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.phone-icon {
  width: 18px;
  height: 18px;
}

/* Body Spacing for Fixed Header */
body {
  padding-top: var(--header-height);
}

/* Improved Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }
.text-white { color: var(--text-inverse); }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }

/* Consistent Spacing Utilities */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }

/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 1;
  visibility: visible;
  transition: var(--transition-normal);
}

.loading-spinner.hidden {
  opacity: 0;
  visibility: hidden;
  display: none;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-default);
  border-top: 4px solid var(--red);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Focus management */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}


/* Force navigation visibility - override all conflicts */
.main-nav {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
}

.header-contact {
  display: flex !important;
  align-items: center !important;
}

.nav-list {
  display: flex !important;
  align-items: center !important;
  gap: var(--space-8) !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.nav-item {
  position: relative !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
}

.nav-link {
  display: flex !important;
  align-items: center !important;
  gap: var(--space-1) !important;
  padding: var(--space-2) 0 !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  color: var(--text-primary) !important;
  text-decoration: none !important;
  transition: var(--transition-fast) !important;
  position: relative !important;
  height: 100% !important;
}

/* Mobile toggle - hidden on desktop */
.mobile-menu-toggle {
  display: none !important;
}

/* Mobile responsive override */
@media (max-width: 767px) {
  .main-nav {
    display: none !important;
  }
  
  .header-contact {
    display: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-1) !important;
    padding: var(--space-2) !important;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    z-index: calc(var(--z-fixed) + 2) !important;
  }
  
  .hamburger-line {
    width: 28px !important;
    height: 3px !important;
    background: var(--text-primary) !important;
    border-radius: 2px !important;
    transition: var(--transition-fast) !important;
  }
}