@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  --primary: #0f5c4d;
  --primary-light: #188c75;
  --dark: #2c3e50;
  --light: #f8f9fa;
  --white: #ffffff;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: auto; }

/* Header & Navigation */
header {
  background: var(--white);
  padding: 15px 0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-logo {
  max-height: 60px; /* Adjust based on your logo */
  width: auto;
}
nav a {
  color: var(--dark);
  margin-left: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}
nav a:hover { color: var(--primary); }

/* Hero Section */
.hero {
  background: linear-gradient(rgba(15, 92, 77, 0.8), rgba(15, 92, 77, 0.8)), url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d') center/cover no-repeat;
  color: var(--white);
  padding: 150px 0;
  text-align: center;
}
.hero h1 { font-size: 54px; margin-bottom: 20px; font-weight: 700; }
.hero p { font-size: 20px; margin-bottom: 40px; font-weight: 300; }

/* Buttons */
.btn {
  background: var(--primary);
  color: var(--white);
  padding: 15px 35px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--primary-light); transform: translateY(-2px); }

/* Sections & Cards */
.section { padding: 90px 0; background: var(--white); }
.section.alt { background: var(--light); }
.section-title { text-align: center; font-size: 36px; margin-bottom: 50px; color: var(--primary); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }

.card {
  background: var(--white);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); }
.card img { width: 100%; border-radius: 8px; margin-bottom: 20px; height: 200px; object-fit: cover; }
.card h3 { color: var(--primary); margin-top: 0; }

/* Forms */
form { background: var(--white); padding: 40px; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
form input, form textarea {
  width: 100%; padding: 15px; margin-bottom: 20px;
  border: 1px solid #ddd; border-radius: 5px;
  font-family: 'Inter', sans-serif; box-sizing: border-box;
}
form input:focus, form textarea:focus { outline: none; border-color: var(--primary); }

/* Footer */
footer { background: var(--dark); color: var(--light); text-align: center; padding: 40px 0; }
footer p { margin: 5px 0; font-size: 14px; opacity: 0.8; }

/* Responsive */
@media(max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav { flex-direction: column; gap: 20px; }
  nav a { margin: 0 10px; }
  .hero h1 { font-size: 38px; }
}