:root {
  --primary-color: #0D9488;
  --secondary-color: #0F766E;
  --accent-color: #14B8A6;
  --background-color: #0F172A;
  --text-color: #F8FAFC;
  --heading-color: #CCFBF1;
  --card-bg: #1E293B;
  --main-font: 'Inter', sans-serif;
  --heading-font: 'Oswald', sans-serif;
}

body {
  font-family: var(--main-font);
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  color: var(--heading-color);
  letter-spacing: 0.05em;
}

.text-primary { color: var(--primary-color); }
.bg-primary { background-color: var(--primary-color); }
.bg-primary:hover { background-color: var(--secondary-color); }

/* Mobile Menu - CSS Checkbox Hack */
.menu-toggle {
  display: none;
}
.menu-icon {
  display: none;
  cursor: pointer;
  font-size: 30px;
  color: var(--heading-color);
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: var(--text-color);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--accent-color);
}

@media (max-width: 768px) {
  .menu-icon {
    display: block;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 75px;
    left: 0;
    background-color: var(--card-bg);
    padding: 1.5rem 0;
    box-shadow: 0 10px 15px rgba(0,0,0,0.5);
    z-index: 50;
  }
  .menu-toggle:checked ~ .nav-links {
    display: flex;
  }
}

.highlight-pricing {
  transform: scale(1.05);
  border: 2px solid var(--accent-color);
  background-color: #1e293b;
  box-shadow: 0 10px 25px rgba(20, 184, 166, 0.2);
}
@media (max-width: 768px) {
  .highlight-pricing {
    transform: scale(1);
  }
}