/* =========================
   Global variables
   ========================= */
:root {
  --primary: #0021A5;
  --dark: #333;
  --light: #f9f9f9;
}

/* =========================
   Base layout
   ========================= */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  line-height: 1.6;
  background: var(--light);
  color: var(--dark);
}

main {
  max-width: 1000px;
  margin: auto;
  padding: 2rem 1rem;
}

h1, h2 {
  color: var(--primary);
}

/* =========================
   Navigation
   ========================= */
nav {
  background: var(--primary);
  padding: 0 1rem;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

nav li {
  position: relative;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 1rem;
  display: block;
  font-size: 1.05rem;
}

nav li:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* =========================
   Dropdown
   ========================= */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #444;
  min-width: 220px;
  z-index: 1000;
}

.dropdown-menu a {
  padding: 0.75rem 1rem;
}

li.show > .dropdown-menu {
  display: block;
}

/* =========================
   Mobile menu
   ========================= */
.menu-toggle {
  display: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: white;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }

  nav ul.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
    padding: 1rem;
  }
}

/* =========================
   Cards / grids
   ========================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* =========================
   Typography
   ========================= */
blockquote {
  margin: 0.5rem 0 0;
  font-style: italic;
}

/* =========================
   Media embeds
   ========================= */
iframe {
  width: 100%;
  max-width: 660px;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  border: none;
}