* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #f5f5f5;
  line-height: 1.6;
}

/* Each demo section is a card */
.demo-section {
  background-color: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.demo-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #1a1a2e;
  border-bottom: 2px solid #4a90e2;
  padding-bottom: 8px;
  display: inline-block;
}

.demo-description {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
  margin-top: 10px;
}

.code {
  background-color: #1e1e2e;
  color: #82b1ff;
  padding: 15px;
  border-radius: 8px;
  font-family: "Courier New", monospace;
  font-size: 13px;
  overflow-x: auto;
  margin-top: 20px;
}

hr {
  margin: 40px 0;
  border-color: #ddd;
}

/* ===================================
           NAVBAR 1: BASIC FLEX ROW
           =================================== */
.navbar-1 {
  background-color: #1a1a2e;
  padding: 15px 30px;
}

.nav-1-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-1-menu a {
  color: white;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 0;
}

.nav-1-menu a:hover {
  color: #4a90e2;
}

/* ===================================
           NAVBAR 2: LOGO + NAVIGATION
           =================================== */
.navbar-2 {
  background-color: #16213e;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: white;
  font-size: 24px;
  font-weight: bold;
}

.nav-2-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-2-menu a {
  color: white;
  text-decoration: none;
  padding: 8px 0;
}

.nav-2-menu a:hover {
  color: #4a90e2;
}

/* ===================================
           NAVBAR 3: WITH BUTTON
           =================================== */
.navbar-3 {
  background-color: #0f3460;
  padding: 12px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-3 {
  color: white;
  font-size: 22px;
  font-weight: bold;
}

.nav-3-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-3-menu a {
  color: white;
  text-decoration: none;
}

.nav-3-menu a:hover {
  color: #e94560;
}

.btn-login {
  background-color: #e94560;
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.btn-login:hover {
  background-color: #c73b54;
}

/* ===================================
           NAVBAR 4: CENTERED NAVIGATION
           =================================== */
.navbar-4 {
  background-color: #1a1a2e;
  padding: 15px 30px;
}

.nav-4-menu {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 35px;
}

.nav-4-menu a {
  color: white;
  text-decoration: none;
  font-size: 16px;
}

.nav-4-menu a:hover {
  color: #4a90e2;
}

/* ===================================
           NAVBAR 5: DROPDOWN READY (with arrow)
           =================================== */
.navbar-5 {
  background-color: #2c3e50;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-5 {
  color: white;
  font-size: 22px;
  font-weight: bold;
}

.nav-5-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-5-menu a {
  color: white;
  text-decoration: none;
}

.has-dropdown {
  position: relative;
}

.dropdown-arrow::after {
  content: " ▼";
  font-size: 10px;
  color: white;
}

/* ===================================
           NAVBAR 6: MOBILE-FRIENDLY (responsive)
           =================================== */
.navbar-6 {
  background-color: #1a1a2e;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo-6 {
  color: white;
  font-size: 22px;
  font-weight: bold;
}

.nav-6-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-6-menu a {
  color: white;
  text-decoration: none;
}

.menu-icon {
  display: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
}

/* Media query for mobile */
@media (max-width: 768px) {
  .menu-icon {
    display: block;
  }

  .nav-6-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 20px 0;
  }

  /* This would need JavaScript to toggle. Showing structure only. */
}

footer {
  text-align: center;
  padding: 30px;
  color: #666;
  margin-top: 40px;
}