@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

:root {
  --primary-color: #1ABC9C;
  --secondary-color: #2C3E50;
  --accent-color: #F1C40F;
  --light-color: #ECF0F1;
  --dark-color: #1A252F;
  --gradient-primary: linear-gradient(135deg, #1ABC9C 0%, #16A085 100%);
  --hover-color: #16A085;
  --background-color: #FFFFFF;
  --text-color: #2C3E50;
  --border-color: rgba(44, 62, 80, 0.2);
  --divider-color: rgba(44, 62, 80, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.1);
  --highlight-color: #E67E22;
  --main-font: 'Roboto Condensed', sans-serif;
  --alt-font: 'Open Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body { background-color: var(--background-color); color: var(--text-color); font-family: var(--alt-font); margin: 0; padding: 0; }
.font-main { font-family: var(--main-font); }
.font-alt { font-family: var(--alt-font); }

.bg-light { background-color: var(--light-color); }
.color-primary { color: var(--primary-color); }
.color-secondary { color: var(--secondary-color); }
.header-main { background-color: var(--dark-color); }
.border-divider { border-color: var(--divider-color); }

.btn-primary {
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--hover-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--shadow-color);
}

.hover-underline:hover { text-decoration: underline; color: var(--highlight-color); }

.feature-card {
  transition: all 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px var(--shadow-color);
  border-color: var(--primary-color);
}

/* Mobile Menu Logic w/o JS */
#mobile-menu:checked ~ .navigation {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--dark-color);
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
#mobile-menu:checked ~ .navigation ul { flex-direction: column; text-align: center; }
#mobile-menu:checked ~ .navigation ul li { margin-bottom: 15px; margin-left: 0; }