* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: radial-gradient(circle, #3b0066, #100018);
    color: #fff;
    text-align: center;
    padding-bottom: 120px;
}

header h1 {
    font-size: 2.4rem;
    margin-top: 20px;
    color: #d48aff;
    text-shadow: 0 0 12px #a043ff;
}

.sub {
    margin-bottom: 25px;
    opacity: 0.9;
}

.projects h2 {
    margin: 20px 0 15px;
    font-size: 1.7rem;
    color: #e8baff;
    text-shadow: 0 0 7px #c061ff;
}

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 0 15px 30px 15px;
}

.project-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #a043ff;
    box-shadow: 0 0 12px rgba(160, 67, 255, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px #cf7fff;
}

.btn {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #a043ff;
    color: white;
    font-weight: bold;
    width: 100%;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    box-shadow: 0 0 12px #cf7fff;
    transform: scale(1.05);
}

/* Botão fixo de informações de contato com contraste futurista */
#contact-fixed-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 14px 18px;
    background: #00fff0; /* Neon ciano */
    color: #100018; /* Roxo escuro para contraste */
    font-weight: bold;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 0 20px #00fff0, 0 0 40px #00fff0;
    transition: 0.3s;
    z-index: 1000;
}

#contact-fixed-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px #00fff0, 0 0 60px #00fff0;
}

footer {
    margin-top: 40px;
    opacity: 0.7;
}

/* Painel de contato */
.contact-info {
    display: none;
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 92%;
    background: #35006b;
    border: 2px solid #c174ff;
    padding: 20px;
    border-radius: 16px;
    text-align: left;
    box-shadow: 0 -2px 20px rgba(200, 120, 255, .4);
    z-index: 1001;
}

.close-btn {
    margin-top: 15px;
    width: 100%;
    padding: 10px;
    background: #d673ff;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
}

/* Responsividade */
@media (max-width: 600px) {
    .projects {
        grid-template-columns: 1fr;
    }
}