:root {
  --primary-color: #0b4f3b; /* Deep green */
  --secondary-color: #2e8b57; /* Sea green */
  --accent-color: #8fbc8f; /* Dark sea green */
  --text-dark: #333333;
  --text-light: #f4f4f9;
  --bg-color: #ffffff;
  --bg-secondary: #f0fdf4;
  --transition: all 0.3s ease;
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  --glass-blur: blur(12px);
}

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  /* The body background will be a subtle ambient image so glassmorphism pops */
  background: linear-gradient(135deg, #e0f2f1 0%, #a5d6a7 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

/* Layout Classes */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

.text-center {
  text-align: center;
}

/* Glassmorphism Container */
.glass-container {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 24px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

/* Button */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  background-color: var(--primary-color);
  color: var(--text-light);
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(11, 79, 59, 0.3);
}

.btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(46, 139, 87, 0.4);
}

/* Header & Nav */
header {
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

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

.logo img {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

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

.nav-links a {
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,0.4);
  color: var(--primary-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background: url('https://images.unsplash.com/photo-1501854140801-50d01698950b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
  position: relative;
  text-align: center;
  margin-top: 0;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.3);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4rem 2rem;
  border-radius: 30px;
  max-width: 800px;
  margin: 100px auto 0;
  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.hero h1 {
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  animation: fadeInDown 1s ease;
}

.hero p {
  color: #f0f0f0;
  font-size: 1.3rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  text-shadow: 0 1px 5px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease 0.3s;
  animation-fill-mode: both;
}

.hero .btn {
  animation: fadeInUp 1s ease 0.6s;
  animation-fill-mode: both;
  background-color: var(--secondary-color);
}

/* Services Grid & Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-top: 4px solid var(--secondary-color);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.4);
}

.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.service-card h3 {
  font-size: 1.3rem;
}

/* Image Grids */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.image-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: var(--glass-shadow);
  transition: 0.3s;
}

.image-grid img:hover {
  transform: scale(1.05);
}

/* Contact Info Display */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  max-width: 600px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.2rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.4);
  border-radius: 15px;
  width: 100%;
  transition: 0.3s;
}

.contact-item:hover {
  background: rgba(255,255,255,0.6);
  transform: translateX(10px);
}

.contact-item i {
  color: var(--secondary-color);
  font-size: 1.8rem;
}

/* Footer */
footer {
  background: rgba(11, 79, 59, 0.85);
  backdrop-filter: blur(10px);
  color: var(--text-light);
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-credit {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: #a5d6a7;
  font-weight: 600;
  letter-spacing: 1px;
}

/* About Page Specifics */
.page-header {
  padding: 180px 0 100px;
  background: url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
  color: var(--text-light);
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(11, 79, 59, 0.6);
  z-index: 0;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  margin-bottom: 0;
}

.about-content {
  display: flex;
  align-items: stretch;
  gap: 4rem;
}

.about-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-image {
  flex: 1;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--glass-shadow);
}

.pillars-container {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.pillar {
  text-align: center;
  flex: 1;
  background: rgba(255,255,255,0.3);
  padding: 2rem;
  border-radius: 20px;
  transition: 0.3s;
}

.pillar:hover {
  background: rgba(255,255,255,0.5);
  transform: translateY(-10px);
}

.pillar-circle {
  width: 100px;
  height: 100px;
  background-color: var(--secondary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: bold;
  margin: 0 auto 1.5rem;
  box-shadow: 0 10px 20px rgba(46, 139, 87, 0.3);
}

.team-member {
  max-width: 500px;
  margin: 0 auto;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 900px) {
  .about-content {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 80px;
    left: -100%;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    padding: 2rem 0;
    transition: 0.4s;
    box-shadow: 0 10px 10px rgba(0,0,0,0.05);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }
  
  .pillars-container {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-glass {
    padding: 2rem 1.5rem;
  }
}