:root {
  --primary-color: #00AA00;
  --primary-dark: #008800;
  --primary-light: #00DD00;
  --secondary-color: #003366;
  /* Deep refreshing blue for balance, optional */
  --text-color: #333333;
  --light-gray: #F5F7FA;
  --white: #FFFFFF;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 20px rgba(0, 170, 0, 0.15);
  --font-family: 'Montserrat', sans-serif;
  --spacing-unit: 8px;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--white);
  position: relative;
  overflow-x: hidden;
}

/* Cursor Glow Effect */
#cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 170, 0, 0.08) 0%, rgba(0, 170, 0, 0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

body:hover #cursor-glow {
  opacity: 1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

ul {
  list-style: none;
}

/* Header */
header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 2rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
}

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

.nav-links a {
  font-weight: 600;
  color: var(--text-color);
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/images/hero-bg.png');
  background-size: cover;
  background-position: center;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  padding: 0 1rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 170, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 170, 0, 0.35);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--white);
  margin-left: 1rem;
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--text-color);
}

/* Section General */
section {
  padding: 5rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  margin: 1rem auto 0;
}

/* Features / About Teaser */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 12px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  border: 1px solid #e8e8e8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 170, 0, 0.05), transparent);
  transition: left 0.6s;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
  display: inline-block;
}

.feature-card:hover .feature-icon {
  transform: scale(1.15) rotate(5deg);
}

/* Footer */
footer {
  background-color: #f8f9fa;
  /* Light cleanup footer */
  color: #555;
  padding: 3rem 1rem;
  margin-top: auto;
  border-top: 1px solid #eee;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-col h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #ddd;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
    /* Mobile menu implementation TODO */
  }
}