:root {
  --primary: #004d40;
  --secondary: #00bfa5;
  --accent: #ffca28;
  --light-bg: #f1f8e9;
  --dark-text: #263238;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

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

header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 1.5rem 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header h1 { font-size: 2rem; }
header p { font-size: 1rem; opacity: 0.9; }

nav {
  background: var(--secondary);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 0.75rem;
}

nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 5px;
  transition: 0.3s;
}

nav a:hover,
nav a.active {
  background: var(--accent);
  color: var(--dark-text);
}

.hero {
  background: url('https://cdn.pixabay.com/photo/2016/11/22/07/09/coins-1843703_1280.jpg') center/cover no-repeat;
  color: var(--white);
  text-align: center;
  padding: 6rem 2rem;
  background-blend-mode: multiply;
  background-color: rgba(0, 77, 64, 0.6);
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

section {
  padding: 4rem 10%;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
  transition: 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.service-card img {
  width: 80px;
  margin-bottom: 1rem;
}

footer {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 2rem;
}

footer p { margin: 0.5rem 0; }

.contact-form {
  max-width: 600px;
  margin: auto;
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.contact-form button {
  background: var(--secondary);
  color: var(--white);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}

.contact-form button:hover { background: var(--accent); }

@media (max-width: 768px) {
  header h1 { font-size: 1.5rem; }
  .hero h2 { font-size: 1.8rem; }
}