/* Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background: #f0f0f5;
  color: #333;
  line-height: 1.6;
  overflow: hidden;
}

/* Fixed Navigation Bar */
.nav-menu {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  z-index: 1200;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.home-link {
  text-decoration: none;
  font-size: 1.2rem;
  color: #333;
}
.inline-toggle, #language-selector {
  padding: 0.5rem 1rem;
  border-radius: 25px;
  border: 2px solid #333;
  background: #fff;
  color: #333;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}

/* Page Header */
.page-header {
  padding: 80px 20px 20px; /* allows space for fixed nav */
  text-align: center;
}
.page-header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}
.page-header p {
  font-size: 1rem;
}

/* Cards Grid: 2 Columns, 2 Rows */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  height: calc(100vh - 120px); /* adjust based on header/nav */
  padding: 20px;
}

/* Card Styling */
.card {
  position: relative;
  border-radius: 25px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s;
}
.card:hover {
  transform: scale(1.02);
}

/* Card Background */
.card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
}
.card-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Card Content */
.card-content {
  position: relative;
  z-index: 1;
  padding: 20px;
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

/* Dark Mode */
body.dark {
  background: #121212;
  color: #e0e0e0;
}
body.dark .nav-container, 
body.dark .inline-toggle, 
body.dark #language-selector {
  background: #333;
  color: #e0e0e0;
  border-color: #e0e0e0;
}