@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Modern Eco-Premium Palette */
  --wf-bg: #f8fafc;
  --wf-fg: #1e293b;
  --wf-primary: #14532d; /* Deep Forest Green (Tailwind green-900 approx) */
  --wf-primary-light: #166534; /* Slightly lighter */
  --wf-accent: #d97706; /* Amber/Gold for contrast */
  --wf-neutral: #64748b;
  --wf-border: #e2e8f0;
  --wf-white: #ffffff;
  --wf-overlay: rgba(20, 83, 45, 0.85); /* Darker green overlay */
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(192, 160, 98, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--wf-bg);
  color: var(--wf-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #0f172a;
  line-height: 1.2;
  margin: 0 0 var(--spacing-sm) 0;
}

h1 { font-size: 3.5rem; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; font-weight: 600; }

p { margin: 0 0 var(--spacing-sm) 0; color: var(--wf-neutral); }

a { text-decoration: none; color: inherit; transition: color 0.2s; }

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--wf-border);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--wf-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  font-weight: 500;
  color: var(--wf-fg);
  font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--wf-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--wf-primary) 0%, var(--wf-primary-light) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(20, 83, 45, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--wf-primary-light) 0%, var(--wf-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(20, 83, 45, 0.4);
}

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

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

.btn-secondary {
  background: var(--wf-white);
  color: var(--wf-primary);
  border: 1px solid var(--wf-border);
}

/* Hero Section */
.page-header {
  padding: 140px 0 var(--spacing-lg);
  background-color: #0f172a;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, var(--wf-primary) 0%, #062c21 100%);
  opacity: 0.95;
  z-index: 0;
}

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

.page-header p {
  color: rgba(255,255,255,0.8);
  font-size: 1.2rem;
  max-width: 600px;
}

.page-header-centered {
  text-align: center;
}

.page-header-centered p {
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: #0f172a;
  color: white;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(20, 83, 45, 0.9) 0%, rgba(6, 44, 33, 0.95) 100%);
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  font-weight: 300;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--wf-accent);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.card {
  background: var(--wf-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--wf-border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--wf-primary);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: #f1f5f9;
  color: var(--wf-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.placeholder-icon {
  width: 24px;
  height: 24px;
  background-color: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

/* Icon Shapes using CSS masks or simple SVG backgrounds would be ideal, 
   but for pure CSS wireframes without external SVGs, we can use simple geometric shapes or text.
   Here I will use specific classes to mock icons with CSS shapes if needed, 
   or stick to the placeholder-icon generic box for now. 
*/
.icon-building { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V7l8-4 8 4v14'/%3E%3Cpath d='M17 21v-8.5a1.5 1.5 0 0 0-1.5-1.5h-7a1.5 1.5 0 0 0-1.5 1.5V21'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V7l8-4 8 4v14'/%3E%3Cpath d='M17 21v-8.5a1.5 1.5 0 0 0-1.5-1.5h-7a1.5 1.5 0 0 0-1.5 1.5V21'/%3E%3C/svg%3E"); }
.icon-wind { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.59 4.59A2 2 0 1 1 11 8H2m10.59 11.41A2 2 0 1 0 14 16H2m15.73-8.27A2.5 2.5 0 1 1 19.5 12H2'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.59 4.59A2 2 0 1 1 11 8H2m10.59 11.41A2 2 0 1 0 14 16H2m15.73-8.27A2.5 2.5 0 1 1 19.5 12H2'/%3E%3C/svg%3E"); }
.icon-water { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2.69l5.66 5.66a8 8 0 1 1-11.31 0z'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2.69l5.66 5.66a8 8 0 1 1-11.31 0z'/%3E%3C/svg%3E"); }
.icon-clipboard { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2'/%3E%3Crect x='8' y='2' width='8' height='4' rx='1' ry='1'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2'/%3E%3Crect x='8' y='2' width='8' height='4' rx='1' ry='1'/%3E%3C/svg%3E"); }

.card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background-color: var(--wf-white);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.section-label {
  color: var(--wf-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  display: block;
  margin-bottom: var(--spacing-xs);
}

/* Stats */
.section-intro {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.stat-item h3 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--wf-primary);
  margin-bottom: 0.5rem;
  line-height: 1;
  background: linear-gradient(135deg, var(--wf-primary) 0%, var(--wf-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  font-size: 1.1rem;
  font-weight: 500;
}

/* Quote/Testimonial */
.quote-section {
  background: var(--wf-primary);
  color: white;
  text-align: center;
}

.quote-text {
  font-size: 1.8rem;
  font-family: var(--font-heading);
  line-height: 1.4;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

/* Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--wf-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: border 0.2s;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--wf-primary);
  box-shadow: 0 0 0 3px rgba(15, 81, 50, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  color: white;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.footer-heading {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

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

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  margin-top: var(--spacing-lg);
  color: #64748b;
}

.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: #94a3b8; }
.footer-links a:hover { color: white; }

/* Feature Rows (Services) */
.feature-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row.reverse {
  flex-direction: row-reverse;
}

.feature-content {
  flex: 1;
}

.feature-image {
  flex: 1;
  height: 400px;
  background-color: #cbd5e1;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--wf-fg);
  font-weight: 500;
}

.feature-list li::before {
  content: "✓";
  color: var(--wf-primary);
  font-weight: bold;
}

@media (max-width: 900px) {
  .feature-row, .feature-row.reverse {
    flex-direction: column;
  }
  .feature-image {
    width: 100%;
    height: 300px;
  }
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.team-card {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--wf-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: #cbd5e1;
  margin: 0 auto var(--spacing-sm);
  background-size: cover;
  background-position: center;
}

.team-role {
  color: var(--wf-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

/* Image Placeholders */
.placeholder-image {
  width: 100%;
  height: 200px;
  background-color: #e2e8f0;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.placeholder-hero {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80') center/cover;
  z-index: 0;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; } /* Simplified mobile nav for wireframe */
}