:root {
  --primary-color: #1e3a8a; /* Deep Blue */
  --secondary-color: #ea580c; /* Safety Orange */
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f3f4f6;
  --bg-white: #ffffff;
  --header-bg: #ffffff;
  --topbar-bg: #1e3a8a;
  --border-color: #e5e7eb;
  --transition: all 0.3s ease;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Roboto', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-padding {
  padding: 5rem 0;
}

.text-center { text-align: center; }
.text-white { color: var(--bg-white); }
.text-primary { color: var(--primary-color); }
.bg-white { background-color: var(--bg-white); }
.bg-light { background-color: var(--bg-light); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #1e40af;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background-color: #c2410c;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Header & Navigation */
.header-wrapper {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  box-shadow: var(--shadow-md);
}

/* Top Bar */
.top-bar {
  background-color: var(--topbar-bg);
  color: var(--bg-white);
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left, .top-bar-right {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.top-bar i {
  margin-right: 0.5rem;
  color: var(--secondary-color);
}

/* Main Navbar */
.navbar {
  background-color: var(--header-bg);
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--secondary-color);
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 600;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link:hover, .nav-item:hover > .nav-link {
  color: var(--primary-color);
}

/* Dropdowns */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-white);
  min-width: 250px;
  box-shadow: var(--shadow-lg);
  border-radius: 0.375rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  padding: 0.5rem 0;
  border-top: 3px solid var(--primary-color);
  z-index: 100;
}

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

.dropdown-item {
  padding: 0.75rem 1.5rem;
  display: block;
  font-weight: 500;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background-color: var(--bg-light);
  color: var(--primary-color);
  padding-left: 2rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero h1 {
  color: var(--bg-white);
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.hero p {
  color: #e5e7eb;
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.section-title p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Cards Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-white);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  height: 250px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img {
  transform: scale(1.1);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Enquiry Section */
.enquiry-section {
  background-color: var(--primary-color);
  color: var(--bg-white);
  padding: 5rem 0;
}

.enquiry-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.enquiry-content h2 {
  color: var(--bg-white);
}

.enquiry-content p {
  color: #e5e7eb;
}

.enquiry-form-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  color: var(--text-dark);
}

.enquiry-form-card h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Footer */
.footer {
  background-color: #111827;
  color: #e5e7eb;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-title {
  color: var(--bg-white);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #9ca3af;
}

.footer-links a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

.seo-keywords {
  font-size: 0.75rem;
  color: #4b5563;
  margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 991px) {
  .top-bar {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px; /* Adjust based on navbar height */
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    transition: var(--transition);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-link {
    padding: 1rem 0;
    justify-content: space-between;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background-color: var(--bg-light);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }
  
  .nav-item.active .dropdown-menu {
    display: block;
  }
  
  .enquiry-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
}

/* Floating Action Buttons (FAB) */
.floating-btn {
  position: fixed;
  bottom: 20px;
  width: 55px;
  height: 55px;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  transition: all 0.3s ease;
}

.floating-btn:hover {
  transform: translateY(-5px);
  box-shadow: 2px 5px 10px rgba(0,0,0,0.4);
  color: #FFF;
}

.float-whatsapp {
  right: 20px;
  background-color: #25D366;
}

.float-call {
  left: 20px;
  background-color: var(--primary-color);
}