:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --error-color: #dc3545;
  --success-color: #28a745;
  --font-family: 'Montserrat', sans-serif;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-color);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header and Navigation */
header {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  cursor: pointer;
}

.nav-links {
  list-style: none;
  display: flex;
}

.nav-links li {
  margin-left: 20px;
}

.nav-links a {
  color: var(--light-color);
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

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

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: var(--light-color);
  margin: 5px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url('https://via.placeholder.com/1500x800') center center/cover no-repeat;
  height: 80vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--light-color);
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.cta-button {
  background-color: var(--primary-color);
  color: var(--light-color);
  padding: 12px 25px;
  border: none;
  border-radius: 5px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
  background-color: #0056b3;
  transform: translateY(-2px);
}

/* General Section Styling */
section {
  padding: 50px 0;
}

h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: var(--primary-color);
}

/* About Section */
.about-section p {
  text-align: center;
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Services Section */
.services-section {
  background-color: #e9ecef;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background-color: var(--light-color);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  padding: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.card img {
  max-width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 15px;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.card p {
  font-size: 1.1rem;
}

/* Contact Section */
.contact-section {
  background-color: var(--light-color);
}

#contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 30px;
  background-color: var(--dark-color);
  color: var(--light-color);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--secondary-color);
  border-radius: 5px;
  font-family: var(--font-family);
  font-size: 1rem;
  background-color: var(--light-color);
  color: var(--dark-color);
}

.form-group textarea {
  resize: vertical;
}

.submit-button {
  background-color: var(--success-color);
  color: var(--light-color);
  padding: 12px 25px;
  border: none;
  border-radius: 5px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.submit-button:hover {
  background-color: #218838;
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  text-align: center;
  padding: 20px 0;
  margin-top: 30px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    right: 0;
    top: 8vh;
    height: 92vh;
    background-color: var(--dark-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    width: 50%;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
  }

  .nav-links li {
    margin: 15px 0;
    opacity: 0;
  }

  .burger {
    display: block;
  }

  .nav-active {
    transform: translateX(0%);
  }

  .toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  .toggle .line2 {
    opacity: 0;
  }
  .toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.2rem;
  }

  h2 {
    font-size: 2rem;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }
}