body {
  background: #f6f6f6;
  font-family: 'Roboto Slab', serif;
  margin: 0;
  padding: 0;
  color: #222;
}

header {
  background: #fff;
  border-bottom: 2px solid #222;
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 10px 20px 0 20px;
  justify-content: space-between;
}

.logo {
  font-size: 2.5rem;
  font-weight: bold;
  letter-spacing: 2px;
}

nav {
  flex: 1;
}

.menu {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu > li {
  position: relative;
}

.menu a {
  color: #222;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 400;
  padding: 10px 8px;
  display: block;
  transition: background 0.15s;
}

.menu a:hover {
  background: #efefef;
}

.has-dropdown > a:after {
  content: ' ▼';
  font-size: 0.75em;
}

.dropdown {
  display: none;
  position: absolute;
  top: 38px;
  left: 0;
  background: #fff;
  min-width: 220px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 9;
  list-style: none;
  padding: 0;
}

.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown {
  display: block;
}

.dropdown li {
  position: relative;
}

.dropdown .has-dropdown > a:after {
  content: ' ▶';
  float: right;
}

.dropdown .dropdown {
  left: 100%;
  top: 0;
  margin-left: 1px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.main-container {
  background: #fff;
  max-width: 900px;
  margin: 40px auto 30px auto;
  border-radius: 3px;
  padding: 40px 40px 30px 40px;
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.05);
}

h1 {
  font-size: 2.3rem;
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 12px;
  text-align: center;
}

.subtitle {
  text-align: center;
  margin-bottom: 32px;
  color: #444;
}

h2 {
  font-size: 2rem;
  font-weight: bold;
  margin-top: 40px;
}

footer {
  background: #fff;
  border-top: 1px solid #e0e0e0;
  text-align: center;
  font-size: 1rem;
  padding: 16px 0 16px 0;
  color: #222;
  position: relative;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 1100px) {
  .navbar, .footer-inner, .main-container {
    max-width: 98vw;
    padding-left: 8px;
    padding-right: 8px;
  }
  .main-container {
    padding-left: 10px;
    padding-right: 10px;
  }
}

@media (max-width: 750px) {
  .navbar, .main-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0 0 0;
  }
  .main-container {
    margin: 20px auto 15px auto;
    padding: 10px 5px;
  }
  .logo {
    font-size: 1.5rem;
    margin-bottom: 10px;
  }
  .menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  .menu > li {
    width: 100%;
  }
  .dropdown {
    min-width: 180px;
    position: static;
    box-shadow: none;
  }
}