/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Avatar */
.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid #00ccff;
    object-fit: cover;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.avatar:hover {
    transform: scale(1.05);
}

/* Social */
.social {
    margin-top: 15px;
}

.social a img {
    width: 40px;
    margin: 0 8px;
    transition: transform 0.3s ease, filter 0.3s;
}

.social a img:hover {
    transform: scale(1.2);
    filter: brightness(1.5);
}

/* ================= RESPONSIVO ================= */

@media (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
}

@media (max-width: 768px) {

    .portfolio-container {
        flex-direction: column;
        padding: 12px;
        gap: 12px;
    }

    .sidebar {
        padding: 20px;
        width: 100%;
        text-align: center;
    }

    .avatar {
        width: 110px;
        height: 110px;
        margin: 0 auto 15px;
    }

    .sidebar h1 {
        font-size: 1.4em;
    }

    .title {
        font-size: 0.95em;
    }

    .content {
        padding: 18px;
        width: 100%;
    }

    h2 {
        font-size: 1.35em;
        text-align: center;
    }

    .skills-icons img {
        width: 40px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        max-height: none;
        overflow: visible;
    }

    /* 📱 certificados mais confortáveis */
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .certificate-card {
        padding: 14px;
        border-radius: 16px;
    }
}

@media (max-width: 480px) {

    /* 🔥 UM CERTIFICADO EMBAIXO DO OUTRO */
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .certificate-card {
        padding: 14px;
        border-radius: 18px;
    }

    .certificate-card img {
        width: 100%;
        border-radius: 14px;
    }

    .avatar {
        width: 95px;
        height: 95px;
    }

    .sidebar h1 {
        font-size: 1.25em;
    }

    .title {
        font-size: 0.9em;
    }
}

/* toque no celular */
.certificate-card:active {
    transform: scale(0.97);
}