/* ===== CSS Variables ===== */
:root {
  /* Brand Colors */
  --primary-color: #0d3b66; /* Deep blue - professional & trustworthy */
  --secondary-color: #ee964b; /* Warm orange - action & warmth */
  --light-color: #f8f9fa; /* Light gray background */
  --white: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ===== Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Header Styles ===== */
.main-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-normal);
  box-shadow: none;
  height: 80px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(13, 59, 102, 0.1);
}

.main-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-left,
.header-center,
.header-right {
  display: flex;
  align-items: center;
}

.header-left {
  flex: 1;
}

.header-center {
  flex: 2;
  justify-content: center;
}

.header-right {
  flex: 1;
  justify-content: flex-end;
}

/* Logo Styles */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.logo svg {
  flex-shrink: 0;
}

.company-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  white-space: nowrap;
}

/* Navigation Styles */
.main-nav {
  display: block;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  display: block;
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-color);
  background: rgba(13, 59, 102, 0.1);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-normal);
  z-index: 1001;
  padding: var(--spacing-md) 0;
  border: 1px solid rgba(13, 59, 102, 0.1);
}

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

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  border-radius: 0;
  color: var(--text-color);
}

.dropdown-menu a:hover {
  background: rgba(13, 59, 102, 0.05);
  color: var(--primary-color);
}

/* Phone CTA Button */
.phone-cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.phone-cta:hover {
  background: #e0853a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.phone-cta i {
  font-size: 1.125rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  margin-left: var(--spacing-md);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: var(--transition-fast);
}

/* Main Content */
.main-content {
  margin-top: 80px;
}

/* Hero Section */
.hero-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-section h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.hero-section p {
  font-size: 1.25rem;
  color: var(--text-light);
}

/* ===== Responsive Design ===== */
/* Tablet Styles (768px - 992px) */
@media (max-width: 992px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav-menu {
    gap: var(--spacing-md);
  }
  
  .nav-menu a {
    padding: var(--spacing-sm);
    font-size: 0.95rem;
  }
  
  .company-name {
    font-size: 1.125rem;
  }
  
  .phone-cta span {
    display: none;
  }
  
  .phone-cta {
    padding: var(--spacing-sm);
    min-width: 40px;
    justify-content: center;
  }
}

/* Mobile Styles (<768px) */
@media (max-width: 768px) {
  .main-header {
    height: 60px;
    border-bottom: 1px solid rgba(13, 59, 102, 0.1);
  }
  
  .header-center,
  .header-right {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1000;
    gap: 0;
    border-top: 1px solid rgba(13, 59, 102, 0.1);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu a {
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(0,0,0,0.02);
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-md) var(--spacing-lg);
    border-radius: 0;
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border: none;
  }
  
  .dropdown.active .dropdown-menu {
    max-height: 300px;
  }
  
  .dropdown > a::after {
    content: '+';
    position: absolute;
    right: var(--spacing-sm);
    font-weight: bold;
  }
  
  .dropdown.active > a::after {
    content: '-';
  }
  
  .phone-cta {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 999;
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: var(--shadow-lg);
  }
  
  .phone-cta i {
    font-size: 1.5rem;
  }
  
  .main-content {
    margin-top: 60px;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-section p {
    font-size: 1.125rem;
  }
}

/* Animation for mobile menu toggle */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}