body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(#ffffff, #edf3ff);
  color: #1f2937;
}

header, footer {
  text-align: center;
  padding: 16px;
  background-color: #1f2a44;
  color: white;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.6);
}

nav {
  background: linear-gradient(#f7f9ff, #dee8ff);
  padding: 10px;
  box-shadow: 0px 2px 6px rgba(0,0,0,0.18);
  border-bottom: 1px solid #c7d6ff;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

nav li {
  display: inline-block;
  margin: 6px 10px;
}

nav a {
  text-decoration: none;
  color: #1f2a44;
  font-weight: bold;
  padding: 8px 10px;
  border-radius: 10px;
}

nav a:hover {
  background-color: rgba(31, 42, 68, 0.08);
}

main {
  max-width: 920px;
  margin: 18px auto;
  padding: 18px;
  background-color: rgba(255, 255, 255, 0.92);
  border: 1px solid #d6e0ff;
  border-radius: 16px;
  box-shadow: 0px 10px 25px rgba(0,0,0,0.08);
}

main p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

main h2, main h3 {
  text-align: center;
}

img {
  max-width: 100%;
  height: auto;
}

.recipe-img {
  width: 420px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 12px auto;
  border-radius: 18px;
}

.cookbook-img {
  width: 420px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 12px auto;
  border-radius: 18px;
}

.bg-kitchen {
  background-image: url("img/kitchen-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.bg-kitchen main {
  background-color: rgba(255, 255, 255, 0.94);
}

button {
  padding: 10px 14px;
  cursor: pointer;
  border: 1px solid #c7d6ff;
  border-radius: 10px;
  background-color: #f2f6ff;
}

button:hover {
  background-color: #e7efff;
}

hr {
  border: none;
  border-top: 1px solid #d6e0ff;
  margin: 16px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px auto;
  max-width: 760px;
}

th, td {
  border: 1px solid #c7d6ff;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #dee8ff;
}