body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #333333;
    color: #333;
}
header {
    background: #21303f;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    position: relative;
}
header .logo {
    position: absolute;
    left: 1rem;
    top: -1rem;
}
header .logo img {
    height: 121px;
}
nav {
    display: flex;
    justify-content: center;
    background: #2e4358;
    margin-top: -1rem;
}
nav a {
    color: #fff;
    padding: 1rem;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
}
nav a:hover {
    background: #2c3e50;
}
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    background: #333333;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h2 {
    border-bottom: 2px solid #ffffff;
    padding-bottom: 0.5rem;
    color: #fff;
}
.category {
    margin-bottom: 2rem;
}
.category h2 {
    background: #2c3e50;
    color: #fff;
    padding: 0.5rem;
    text-transform: uppercase;
}
.category ul {
    list-style: none;
    padding: 0;
}
.category ul li {
    background: #333333;
    margin: 0.5rem 0;
    padding: 1rem;
    color:#fff;
    border: 1px solid #e0fcfc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.category ul li a {
    background: #2c3e50;
    color: #fff;
    padding: 0.5rem 1rem;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
}
.category ul li a:hover {
    background: #34495e;
}
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
form input[type="text"],
form input[type="email"],
form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;

}
form input[type="submit"] {
    background: #2c3e50;
    color: #fff;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    border-radius: 5px;
}
form input[type="submit"]:hover {
    background: #34495e;
}

p {
    color: #fff;
}

label {
    color: #fff;

}


.alert {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #28a745;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    font-size: 16px;
    z-index: 1000;
    transition: opacity 0.5s ease;
}
.alert.show {
    display: block;
    opacity: 1;
}
.alert.hide {
    opacity: 0;
    display: none;
}

::-webkit-scrollbar {
    width: 12px; 
}

::-webkit-scrollbar-track {
    background: #f0f0f0; 
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #007bff; 
    border-radius: 10px;
    transition:  0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: #ffffff;
}

::-webkit-scrollbar-corner {
    background: #f0f0f0;
}

/* Firefox */
html {
    scrollbar-width: thin; 
    scrollbar-color: #ffffff #000000; 
}