:root {
  --primary: #fce300;
  --primary-hover: #e5cd00;
  --secondary: #00897b; /* Teal from reference */
  --secondary-hover: #00796b;
  --text-dark: #333333;
  --text-light: #ffffff;
  --bg-light: #f5f7fa;
  --bg-white: #ffffff;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-white);
}

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

/* Top Bar */
.top-bar {
  background-color: var(--secondary);
  color: var(--text-light);
  padding: 8px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.top-bar .social, .top-bar .contact-info {
  display: flex;
  gap: 20px;
}
.top-bar i {
  margin-right: 8px;
  color: var(--primary);
}
.top-bar a:hover {
  color: var(--primary);
}

/* Navbar */
.navbar {
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar .logo img {
  height: 90px;
  transition: var(--transition);
}
.navbar .logo img:hover {
  transform: scale(1.05);
}
.navbar .nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  font-weight: 600;
}
.navbar .nav-links a:hover {
  color: var(--secondary);
}
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  color: var(--secondary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  display: flex;
  align-items: center;
  padding: 0 5%;
  color: var(--text-light);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.3) 100%), url('hero_bg.png') center/cover;
  z-index: -1;
}
.hero-content {
  max-width: 600px;
  animation: fadeIn 1s ease-out;
}
.hero-content h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 20px;
  font-weight: 800;
}
.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}
.hero-btn {
  background: var(--primary);
  color: var(--text-dark);
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  border-radius: 30px;
  transition: var(--transition);
}
.hero-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(252, 227, 0, 0.4);
}

/* Services Section */
.services {
  padding: 80px 5%;
  background: var(--bg-light);
  text-align: center;
}
.services h2 {
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: var(--text-dark);
}
.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.card {
  background: var(--bg-white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: var(--transition);
  cursor: pointer;
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}
.card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}
.card:hover img {
  transform: scale(1.05);
}
.card-content {
  padding: 30px;
}
.card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}
.card p {
  color: #666;
}

/* Eco Section */
.eco {
  padding: 80px 5%;
  background: var(--bg-white);
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}
.eco-text {
  flex: 1;
  min-width: 300px;
}
.eco-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.eco-text p {
  color: #666;
  margin-bottom: 20px;
}
.eco-icons {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 60px;
  text-align: center;
  flex-wrap: wrap;
}
.eco-icon i {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 10px;
  transition: var(--transition);
}
.eco-icon:hover i {
  transform: scale(1.2);
  color: var(--primary);
}

/* Process Section */
.process {
  padding: 80px 5%;
  background: var(--bg-light);
  text-align: center;
}
.process h2 {
  font-size: 2.5rem;
  margin-bottom: 50px;
}
.process-steps {
  display: flex;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}
.step {
  max-width: 200px;
}
.step-icon {
  width: 100px;
  height: 100px;
  background: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2.5rem;
  color: var(--text-dark);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  transition: var(--transition);
  border: 2px solid transparent;
}
.step:hover .step-icon {
  border-color: var(--primary);
  transform: translateY(-5px);
  color: var(--secondary);
}

/* Footer */
.footer {
  padding: 60px 5% 20px;
  background: var(--bg-white);
  border-top: 1px solid #eee;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo img {
  height: 100px;
  margin-bottom: 20px;
}
.footer-links h4, .footer-subscribe h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a:hover {
  color: var(--secondary);
}
.subscribe-form {
  display: flex;
  margin-top: 15px;
}
.subscribe-form input {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px 0 0 5px;
  flex: 1;
  outline: none;
}
.subscribe-form button {
  padding: 12px 20px;
  background: var(--primary);
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}
.subscribe-form button:hover {
  background: var(--primary-hover);
}
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #eee;
  color: #888;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .top-bar { flex-direction: column; gap: 10px; text-align: center; padding: 10px; }
  .top-bar .contact-info { flex-direction: column; gap: 8px; align-items: center; }
  .top-bar .social { justify-content: center; }
  .navbar .logo img { height: 65px; }
  .menu-toggle { display: block; }
  .navbar { flex-wrap: wrap; }
  .navbar .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    text-align: center;
    gap: 15px;
    padding-top: 20px;
  }
  .navbar .nav-links.active { display: flex; }
  .hero-content h1 { font-size: 2.5rem; }
  .eco { flex-direction: column; text-align: center; }
}