:root {
  --primary-color: #2F4F4F; /* Dark Slate Gray (Mountain base/Vegetation) */
  --secondary-color: #8B4513; /* Saddle Brown (Earth/Path) */
  --accent-color: #556B2F; /* Dark Olive Green (Sagebrush) */
  --text-color: #333333;
  --bg-color: #F5F5DC; /* Beige (Dry Earth) */
  --white: #ffffff;
  --success: #28a745;
  --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

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

/* Header & Navigation */
header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

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

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary-color);
  text-decoration: none;
  letter-spacing: 1px;
}

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

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

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  transition: color 0.3s;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

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

/* Hero Section */
.hero {
  height: 100vh;
  background-image: url('../images/hero-banner.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  padding-top: 80px;
  position: relative;
}

.hero-content {
  max-width: 800px;
  padding: 40px;
  background: rgba(47, 79, 79, 0.75); /* Dark Slate Gray overlay */
  border-radius: 8px;
  backdrop-filter: blur(3px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--secondary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background-color 0.3s, transform 0.2s;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.btn:hover {
  background-color: #6F370F; /* Darker Saddle Brown */
  transform: translateY(-2px);
}

/* About Section */
.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 60px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--secondary-color);
  margin: 15px auto 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.about-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Services Section */
.services {
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* Force 2 columns */
  gap: 30px;
  max-width: 1000px; /* Constrain width to keep cards proportional */
  margin: 0 auto;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr; /* Stack on mobile */
  }
}

.service-card {
  background: var(--bg-color);
  padding: 40px;
  border-radius: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--secondary-color);
}

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

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  display: block;
}

.service-card h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.4rem;
}

/* Capabilities */
.capabilities {
  background-color: var(--primary-color);
  color: var(--white);
}

.capabilities .section-title {
  color: var(--white);
}

.cap-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.cap-item {
  background: rgba(255,255,255,0.1);
  padding: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
}

.cap-item::before {
  content: '✓';
  color: var(--secondary-color);
  font-weight: bold;
  margin-right: 15px;
  font-size: 1.2rem;
}

/* Contact Section */
.contact-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: var(--white);
  padding: 60px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.contact-email {
  font-size: 1.5rem;
  color: var(--primary-color);
  font-weight: bold;
  margin: 30px 0;
  display: block;
  text-decoration: none;
}

.location {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  color: #666;
}

/* Footer */
footer {
  background-color: #2F2F2F; /* Dark Grey */
  color: #888;
  padding: 40px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #333;
  margin-bottom: 20px;
}

.footer-logo {
  font-weight: bold;
  color: var(--white);
  font-size: 1.2rem;
}

.copyright {
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .about-grid, .cap-list {
    grid-template-columns: 1fr;
  }
  
  nav {
    flex-direction: column;
    height: auto;
    padding: 20px 0;
  }
  
  .nav-links {
    margin-top: 20px;
  }
  
  .nav-links li {
    margin: 0 10px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 20px;
  }
}