nav a {
    margin: 0 15px;
    color: #00ffcc;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    transition: color 0.3s;
}
nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    background: #00ffcc;
    transition: width 0.3s;
}
nav a:hover::after {
    width: 100%;
}
nav a:hover {
    color: #ff00cc;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

ul.skills li {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 15px;
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 204, 0.2);
    transition: background 0.3s, transform 0.3s;
}
ul.skills li:hover {
    background: #00ffcc33;
    transform: translateY(-3px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project {
    padding: 20px;
    border-radius: 10px;
    background: rgba(40, 40, 40, 0.85);
    border: 1px solid rgba(0, 255, 204, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}
.project:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px #00ffcc55;
}

.project h3 {
    color: #00ffcc;
}

#themeToggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #00ffcc;
    color: #000;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 0 10px #00ffccaa;
    transition: transform 0.3s;
}
#themeToggle:hover {
    transform: rotate(20deg) scale(1.1);
}

@media (max-width: 768px) {
    nav a {
        display: block;
        margin: 10px 0;
    }
    ul.skills {
        justify-content: center;
    }
}