@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;700&display=swap');

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

body {
    background-color: #0f0f0f;
    color: #f8f8f8;
    line-height: 1.8;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    width: 85%;
    margin: 0 auto;
}

header {
    position: relative;
    background: linear-gradient(135deg, #00bcd4, #3f51b5);
    padding: 60px 0;
    text-align: center;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.4);
    transition: background-color 0.4s ease, color 0.4s ease;
}

header h1 {
    font-size: 42px;
    font-weight: 700;
    text-transform: uppercase;
}

header p {
    font-size: 20px;
    font-weight: 300;
}

#toggle-tema {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: 2px solid #f8f8f8;
    border-radius: 50%;
    color: #f8f8f8;
    width: 100px;
    height: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#toggle-tema:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.perfil {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
    padding: 20px;
    background-color: #222;
    border-radius: 12px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
    transition: background-color 0.4s ease, color 0.4s ease;
}

.foto img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 5px solid #00bcd4;
    transition: transform 0.3s ease;
}

.foto img:hover {
    transform: scale(1.1);
}

.descricao h2 {
    color: #00bcd4;
    font-size: 28px;
    border-bottom: 2px solid #00bcd4;
    padding-bottom: 5px;
    display: inline-block;
}

.descricao p {
    font-size: 18px;
    margin-top: 10px;
}

section {
    background-color: #222;
    padding: 20px;
    margin-top: 30px;
    border-radius: 12px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.4s ease, color 0.4s ease;
}

section:hover {
    transform: scale(1.02);
}

h2 {
    font-size: 26px;
    color: #00bcd4;
    border-bottom: 2px solid #00bcd4;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

ul {
    list-style: none;
}

ul li {
    font-size: 18px;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

ul li:hover {
    color: #00bcd4;
}

a {
    color: #00bcd4;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

footer {
    background-color: #1a1a1a;
    color: #f8f8f8;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-top: 3px solid #00bcd4;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.redes-sociais {
    text-align: center;
}

.botoes-redes {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 180px;
    height: 60px;
    background-color: #444;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s;
    font-size: 18px;
}

.btn-social i {
    font-size: 22px;
}

.btn-social:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}

/* ===== Cores dos Botões ===== */
.linkedin {
    background-color: #0077b5;
}

.lattes {
    background-color: #005a9c;
}

.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.github {
    background-color: #444;
}

body.claro {
    background-color: #f0f0f0;
    color: #222;
}

body.claro header {
    background: linear-gradient(135deg, #90caf9, #5c6bc0);
    color: #fff;
}

body.claro section {
    background-color: #fff;
    color: #222;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

body.claro footer {
    background-color: #e0e0e0;
    color: #222;
    border-top: 3px solid #5c6bc0;
}

body.claro h2 {
    color: #3f51b5;
    border-bottom: 2px solid #3f51b5;
}

body.claro a {
    color: #3f51b5;
}

body.claro .btn-social {
    color: white;
}

@media (max-width: 900px) {
    .container {
        width: 95%;
    }

    header h1 {
        font-size: 30px;
    }

    header p {
        font-size: 16px;
    }

    .perfil {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }

    .foto img {
        width: 140px;
        height: 140px;
    }

    .descricao p {
        font-size: 16px;
        padding: 0 10px;
    }

    .btn-social {
        width: 150px;
        height: 50px;
        font-size: 16px;
    }

    section {
        padding: 15px;
        margin-top: 20px;
    }

    ul li {
        font-size: 16px;
    }

    footer p {
        font-size: 14px;
    }

    #toggle-tema {
        top: 10px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade {
    animation: fadeIn 0.5s ease;
}

body, header, section, footer {
    transition: background-color 0.4s ease, color 0.4s ease;
}