body {   
    
    justify-content: center;
    align-items: center;
    flex-direction: column;
   
}

main
{display: grid;
  grid-template-columns: minmax(0, 800px);
  justify-content: center;
}

header {
    padding: 0px;
}
.post-content {
    margin-bottom: 20px;
    padding: 2rem;
    border-radius: 12px;
    background: white;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.post-content h1 {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.post-content p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

h1::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: #89b6a5; 
    margin: 0 auto;
    margin-top: 10px;
}
nav {
    background-color: inherit;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    margin-bottom: 20px;
    
    top: 0;
    left: 0;
    z-index: 10001;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 5px solid #89b6a5; 
}

nav button {
    
    background-color: #315659;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s ease;

}

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

nav ul li {
    display: inline-block;
    position: relative;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    display: inline-block;
}

nav ul li:hover {
    background-color: #8E7C93;
}

/* Submenu Styling */
nav ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #315659;
    padding: 0;
    width: 100%;
    border-radius: 4px;
    z-index: 30000;
}
@media (min-width: 769px) {
    nav ul li:hover ul {
    display: block;
}
}


nav ul li ul li {
    display: block;
}

nav ul li ul li a {
    padding: 10px;
}

nav ul li ul li:hover {
    background-color: #8E7C93;
}



@media (max-width: 768px) {
.dropdown-button {
    width: 100%;
}
header {
    position: static;
}
nav {
    border-radius: 0px;
    position: static;
}
nav a {
    width: 100%;
}
nav ul {
    display: flex;
    flex-direction: column;
    text-align: left;
    border-radius: 0px;
}

nav ul li ul {
    position: static;
    display: none;
    border-radius: 0px;
    
}
nav ul li ul li {
    background-color:#1f3638;
    border-radius: 0px;
}

nav ul li.open > ul {
    display: block;
}

}