:root {
  --primary: #FF6600; /* Orange */
  --secondary: #001F3F; /* Navy Blue */
  --accent: #FF851B; /* Lighter Orange */
  --light: #F5F7FA;
  --dark: #001233;
  --white: #ffffff;
  --gray: #e0e0e0;
  --text-color: #333333;
  --font-main: 'Inter', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--secondary);
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 3rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1rem;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.text-center {
  text-align: center;
}
.text-primary {
  color: var(--primary);
}
.text-accent {
  color: var(--accent);
}

.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}
.gap-1 {
  gap: 1rem;
}
.gap-2 {
  gap: 2rem;
}

.grid {
  display: grid;
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--secondary);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--secondary);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: var(--transition);
  }
  .nav-links.active {
    transform: translateY(0);
  }
}

/* Footer */
.footer {
  background-color: var(--secondary);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h4 {
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.footer a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}
.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s forwards;
}
.slide-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideLeft 0.8s forwards;
}
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  animation: scaleIn 0.8s forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes scaleIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--light) 0%, #e6f0ff 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--secondary);
}

.hero p {
  font-size: 1.25rem;
  color: #555;
  margin-bottom: 2rem;
}

/* Cards */
.card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gray);
  border-radius: 5px;
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: scaleIn 0.3s forwards;
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
}