body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 60px;
}

html {
    scroll-behavior: smooth;
}

.navbar {
    width: 100%;
    backdrop-filter: blur(3px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 10px 0;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: auto;
}

.navbar-logo {
    color: #7289DA;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
}

.navbar-menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.navbar-item {
    margin-left: 20px;
}

.navbar-link {
    border-radius: 5px;
    color: #fff;
    text-decoration: none;
    padding: 15px;
    display: block;
    transition: background 0.3s, color 0.3s;
}

.navbar-link:hover {
    background: #333;
    color: #7289DA;
}

.hero {
    padding: 50px 10px;
    background: linear-gradient(to bottom right, #121212, #1e1e1e);
    text-align: center;
    color: #fff;
    position: relative;
}

.hero h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.hero .btn {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s;
}

.hero .btn:hover {
    background-color: #222222;
}

.btn {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #2e2b2b;
}

.container {
    position: relative;
    width: 80%;
    padding: 20px;
    text-align: center;
}

.category {
    margin-bottom: 50px;
}

.category h2 {
    color: #7289DA;
    margin-bottom: 20px;
}

.tool-box {
    background-color: #1e1e1e;
    padding: 20px;
    margin: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    flex: 1 1 calc(33.33% - 20px);
    box-sizing: border-box;
}

.tool-box h3 {
    color: #7289DA;
    margin-top: 0;
    margin-bottom: 10px;
}

.tool-box p {
    color: #ccc;
    margin-bottom: 30px;
}

.tool-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.footer {
    width: 100%;
    padding: 20px 0;
    background-color: #121212;
    text-align: center;
    color: #fff;
    margin-top: 50px;
    border-top: 1px solid #333;
}

.footer p {
    margin: 0;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #1e1e1e;
}

::-webkit-scrollbar-thumb {
    background-color: #1e1e1e;
    border-radius: 6px;
    border: 3px solid #1e1e1e;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #333;
}

@media (max-width: 768px) {
    .tool-box {
        flex: 1 1 calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .tool-box {
        flex: 1 1 calc(100% - 20px);
    }
}