/* RESET + BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: auto;
  overflow-x: hidden;
  font-family: 'Segoe UI', sans-serif;
  background: #f5faff;
  color: #1c1c1c;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}



.main-header {
  background-color: #0072ce;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav-menu {
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  padding: 0;
  margin: 0;
}
.nav-menu li {
  position: relative;
}
.nav-menu > li > a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 15px 18px;
  display: inline-block;
  white-space: nowrap;
}
.nav-menu > li > a:hover {
  background-color: #005fa3;
  border-radius: 4px;
}

/* DROPDOWN */
.dropdown-menu {
  display: none;
  position: absolute;
  background-color: #0072ce;
  top: 100%;
  left: 0;
  min-width: 220px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  z-index: 1001;
}
.dropdown:hover .dropdown-menu {
  display: block;
}
.dropdown-menu li {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.dropdown-menu li a {
  padding: 12px 16px;
  display: block;
  color: #fff;
  text-decoration: none;
}
.dropdown-menu li a:hover {
  background-color: #005fa3;
}
.arrow {
  font-size: 10px;
  margin-left: 5px;
}