:root {
    --primary-color: #1a1a1a;    
    --secondary-color: #2c2c2c;  
    --accent-color: #c17f3e;     
    --text-color: #333333;       
    --light-gray: #f5f5f5;      
    --medium-gray: #e0e0e0;      
    --dark-gray: #666666;        
    --white: #ffffff;            
    --black: #000000;            
}

/* Base Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
}

/* Button Styles */
.btn,
.btn-submit,
.service-card .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-decoration: none;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
    min-width: 180px;
}

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

.btn.primary:hover {
    background-color: #a66b34;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 127, 62, 0.2);
}

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

.btn.secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.service-card .btn {
    width: 100%;
    margin-top: 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
}

.service-card .btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-submit {
    width: 100%;
    background-color: var(--accent-color);
    color: var(--white);
    border: none;
    margin-top: 1rem;
}

.btn-submit:hover {
    background-color: #a66b34;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(193, 127, 62, 0.2);
}

.btn:active,
.btn-submit:active,
.service-card .btn:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Navigation */
.main-nav {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* Reset and base styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
  }
  
  /* Header and Navigation */
  header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
  }
  
  .main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .logo {
    padding: 0.5rem 0;
  }
  
  .logo img {
    height: 50px;
    width: auto;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
  }
  
  .nav-links a:hover {
    color: #007bff;
  }
  
  /* Hero Section */
  .hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
      url('/images/hero-oilfield.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 1rem;
  }
  
  .hero-content {
    max-width: 800px;
  }
  
  .hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  }
  
  .hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  }
  
  .hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
  }
  
  .btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
  }
  
  .btn.secondary {
    background-color: transparent;
    border: 2px solid white;
    color: white;
  }
  
  .btn.secondary:hover {
    background-color: white;
    color: #333;
  }
  
  /* Mobile Navigation */
  .nav-toggle {
    display: none;
  }
  
  .nav-toggle-label {
    display: none;
    cursor: pointer;
  }
  
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    background: #333;
    height: 2px;
    width: 2rem;
    position: relative;
  }
  
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: '';
    position: absolute;
  }
  
  .nav-toggle-label span::before {
    bottom: 7px;
  }
  
  .nav-toggle-label span::after {
    top: 7px;
  }
  
  /* Mobile Responsive */
  @media screen and (max-width: 768px) {
    .nav-toggle-label {
      display: block;
    }
  
    .nav-links {
      display: none;
      width: 100%;
      position: absolute;
      top: 100%;
      left: 0;
      background: white;
      padding: 1rem;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }
  
    .nav-toggle:checked ~ .nav-links {
      display: flex;
    }
  
    .hero h1 {
      font-size: 3rem;
    }
  
    .hero p {
      font-size: 1.2rem;
    }
  }

.nav-links {
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section *//* Reset and base styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
  }
  
  /* Header and Navigation */
  header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
  }
  
  .main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .logo {
    padding: 0.5rem 0;
  }
  
  .logo img {
    height: 50px;
    width: auto;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
  }
  
  .nav-links a:hover {
    color: #007bff;
  }
  
  /* Hero Section */
  .hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
      url('https://s3.amazonaws.com/das-filter/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 1rem;
  }
  
  .hero-content {
    max-width: 800px;
  }
  
  .hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  }
  
  .hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  }
  
  .hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
  }
  
  .btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
  }
  
  .btn.secondary {
    background-color: transparent;
    border: 2px solid white;
    color: white;
  }
  
  .btn.secondary:hover {
    background-color: white;
    color: #333;
  }
  
  /* Mobile Navigation */
  .nav-toggle {
    display: none;
  }
  
  .nav-toggle-label {
    display: none;
    cursor: pointer;
  }
  
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    background: #333;
    height: 2px;
    width: 2rem;
    position: relative;
  }
  
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: '';
    position: absolute;
  }
  
  .nav-toggle-label span::before {
    bottom: 7px;
  }
  
  .nav-toggle-label span::after {
    top: 7px;
  }
  
  /* Mobile Responsive */
  @media screen and (max-width: 768px) {
    .nav-toggle-label {
      display: block;
    }
  
    .nav-links {
      display: none;
      width: 100%;
      position: absolute;
      top: 100%;
      left: 0;
      background: white;
      padding: 1rem;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }
  
    .nav-toggle:checked ~ .nav-links {
      display: flex;
    }
  
    .hero h1 {
      font-size: 3rem;
    }
  
    .hero p {
      font-size: 1.2rem;
    }
  }
/* Services Section */
.services {
    padding: 5rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin: 1rem 0;
    font-size: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.service-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li:before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Projects Section */
.projects {
    padding: 5rem 0;
    background: var(--white);
}

.projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.project-card {
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.8);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.project-card:hover .project-info {
    transform: translateY(0);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    color: var(--text-color);
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
}

.contact-info i {
    width: 1.5rem;
    color: var(--accent-color);
}

.hours {
    margin-top: 2rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--medium-gray);
    border-radius: 0.375rem;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-links {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--dark-gray);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .nav-toggle-label {
        display: block;
        padding: 1rem;
        cursor: pointer;
    }

    .nav-toggle-label span,
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        display: block;
        background: var(--text-color);
        height: 2px;
        width: 2rem;
        position: relative;
        transition: transform 0.3s;
    }

    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        content: '';
        position: absolute;
    }

    .nav-toggle-label span::before {
        bottom: 7px;
    }

    .nav-toggle-label span::after {
        top: 7px;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--white);
        flex-direction: column;
        padding: 0;
        margin: 0;
        text-align: center;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.3s, opacity 0.3s;
        pointer-events: none;
    }

    .nav-toggle:checked ~ .nav-links {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links li {
        margin: 0;
        padding: 1rem;
        border-top: 1px solid var(--light-gray);
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .btn,
    .btn-submit,
    .service-card .btn {
        padding: 0.875rem 1.75rem;
        min-width: 160px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* CDL Application Form Styles */
.container {
  max-width: 600px;
  background: var(--white);
  padding: 2rem;
  margin: 2rem auto;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: var(--primary-color);
}

label {
  font-weight: bold;
  display: block;
  margin-top: 1rem;
  color: var(--text-color);
}

input, select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid var(--medium-gray);
  border-radius: 4px;
  font-size: 1rem;
  background: var(--white);
  color: var(--text-color);
}

input:focus, select:focus {
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 5px rgba(193, 127, 62, 0.3);
}

button {
  width: 100%;
  padding: 12px;
  background: var(--accent-color);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 4px;
  margin-top: 1.5rem;
  transition: all 0.2s ease-in-out;
}

button:hover {
  background: #a66b34;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(193, 127, 62, 0.2);
}

/* File Upload Styling */
input[type="file"] {
  border: 1px solid var(--medium-gray);
  padding: 10px;
  cursor: pointer;
  background: var(--white);
}

input[type="file"]:hover {
  border-color: var(--accent-color);
}

/* Responsive Form */
@media screen and (max-width: 768px) {
  .container {
      width: 90%;
      padding: 1.5rem;
  }
  
  button {
      font-size: 0.95rem;
      padding: 10px;
  }
}