:root {
  /* Color Palette */
  --primary-color: #0284c7; /* Sky Blue */
  --primary-dark: #0369a1;
  --secondary-color: #0f172a; /* Slate Dark */
  --accent-color: #f59e0b; /* Amber */
  --accent-hover: #d97706;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #334155;
  --text-muted: #64748b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  --gradient-bg: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Shadows */
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--secondary-color);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* Typography Utilities */
.text-center { text-align: center; }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section {
  padding: 5rem 0;
}
.section-light {
  background-color: var(--bg-white);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-dark);
}
.btn-accent {
  background: var(--accent-color);
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--accent-hover);
}

/* Header & Navigation */
.header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo i {
  font-size: 2rem;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links li {
  position: relative;
}
.nav-links a {
  font-weight: 500;
  padding: 0.5rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-fast);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary-color);
}
.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary-color);
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-white);
  box-shadow: var(--shadow-lg);
  border-radius: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}
.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  padding: 0.75rem 1.5rem;
  display: block;
}
.dropdown-menu a::after {
  display: none;
}
.dropdown-menu a:hover {
  background-color: var(--bg-light);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.4));
}
.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  max-width: 600px;
  animation: fadeInUp 1s ease-out;
}
.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: white;
}
.hero-desc {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Features/Services Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.card {
  background: var(--bg-white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}
.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}
.card:hover .card-icon {
  background: var(--gradient-primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
}
.card-title {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

/* Footer */
.footer {
  background: var(--secondary-color);
  color: white;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-heading {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: var(--text-muted);
}
.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-white);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-md);
  }
  .nav-links.active {
    left: 0;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    text-align: center;
    display: none;
  }
  .nav-item-dropdown:hover .dropdown-menu {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.5rem;
  }
}