/* CSS Variables */
:root {
  --color-primary: #2E8B57; /* SeaGreen as Green theme */
  --color-primary-dark: #1f633e;
  --color-white: #ffffff;
  --color-black: #111111;
  --color-gray-light: #f4f4f4;
  --color-gray-medium: #e0e0e0;
  --color-text-main: #333333;
  --color-text-muted: #666666;
  --font-family-main: 'Inter', sans-serif;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;
  --border-radius: 8px;
  --container-width: 1200px;
}

/* Reset & Base Styles (No universal selector) */
.page-body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-main);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.heading-1, .heading-2, .heading-3, .heading-4 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
  font-weight: 700;
}

.heading-1 { font-size: 2.5rem; line-height: 1.2; }
.heading-2 { font-size: 2rem; line-height: 1.3; }
.heading-3 { font-size: 1.5rem; }
.paragraph { margin-bottom: var(--spacing-md); }

.link { text-decoration: none; color: inherit; transition: color 0.3s ease; }
.link:hover { color: var(--color-primary); }

.list-unordered { list-style: none; padding: 0; margin: 0; }
.image-responsive { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius); }

/* Layout Utilities */
.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.section { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.section-gray { background-color: var(--color-gray-light); }

.flex-row { display: flex; flex-direction: row; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }

/* Advertisement Top Bar */
.ad-top-bar {
  background-color: var(--color-gray-light);
  padding: 10px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-gray-medium);
}

/* Header */
.site-header {
  background-color: var(--color-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu { display: flex; gap: var(--spacing-md); align-items: center; }
.nav-item-link { font-weight: 500; font-size: 1rem; color: var(--color-black); }

.btn-cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: inline-block;
  text-align: center;
}

.btn-cta:hover { background-color: var(--color-primary-dark); transform: translateY(-2px); }

/* Hamburger */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}
.bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-black);
  transition: transform 0.3s;
}

/* Mobile Menu */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 75%;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  padding: var(--spacing-lg);
  transition: right 0.3s ease;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-menu-overlay.active { right: 0; }
.close-btn { align-self: flex-end; font-size: 2rem; cursor: pointer; background: none; border: none; }

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}
.hero-content { flex: 1; }
.hero-image-wrapper { flex: 1; }
.hero-title { font-size: 3rem; margin-bottom: var(--spacing-md); color: var(--color-black); }
.hero-subtitle { font-size: 1.25rem; color: var(--color-text-muted); margin-bottom: var(--spacing-lg); }

/* About & Why Us */
.feature-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-5px); }

/* Testimonials */
.testimonial-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--border-radius);
}
.stars { color: #FFD700; margin-bottom: var(--spacing-sm); }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-gray-medium);
  padding: var(--spacing-md) 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
}
.faq-answer { display: none; margin-top: var(--spacing-sm); color: var(--color-text-muted); }
.faq-item.active .faq-answer { display: block; }
.faq-icon { transition: transform 0.3s; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

/* Footer */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  font-size: 0.9rem;
}
.footer-heading { color: var(--color-white); font-size: 1.2rem; margin-bottom: var(--spacing-md); }
.footer-link { color: #cccccc; display: block; margin-bottom: 8px; text-decoration: none; }
.footer-link:hover { color: var(--color-white); }
.footer-ad-note {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid #333;
  font-size: 0.8rem;
  color: #888;
  text-align: center;
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
  z-index: 2000;
}
.modal-content {
  background: var(--color-white);
  padding: var(--spacing-lg);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  border-radius: var(--border-radius);
  position: relative;
}
.close-modal {
  position: absolute;
  top: 15px;
  right: 15px;
  cursor: pointer;
  font-size: 1.5rem;
  background: none;
  border: none;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.2);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 1500;
  width: 90%;
  max-width: 800px;
  display: none; /* hidden by default, shown via JS */
}

/* Loader */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  flex-direction: column;
}
.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid var(--color-gray-light);
  border-top: 5px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Responsive Media Queries */
@media (max-width: 768px) {
  .hero-section { flex-direction: column-reverse; text-align: center; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-menu { display: none; } /* Hidden on desktop, shown via hamburger logic */
  .hamburger-btn { display: flex; }
  .hero-title { font-size: 2rem; }
  .cookie-banner { flex-direction: column; text-align: center; }
}