*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

:root {
    --primaria: #4f46e5;
    --secundaria: #7c3aed;
    --escuro: #0f172a;
    --escuro-rgb: 15, 23, 42;
    --maisEscuro: #0a0f1c;
    --claro: #e2e8f0;
    --vidro: rgba(255, 255, 255, 0.1);
    --cor-texto: #ffffff;
    --cor-texto-secundario: #e0e0e0;
}

.light-theme {
    --primaria: #4f46e5;
    --secundaria: #7c3aed;

    --escuro-rgb: 255, 255, 255;
    --escuro: #ffffff;
    --maisEscuro: #f1f5f9;

    --claro: #0f172a;
    --vidro: rgba(0, 0, 0, 0.1);

    --cor-texto: #222222;
    --cor-texto-secundario: #444444;
}

#botao-tema {
    position: fixed;
    top: 20px;
    right: 25px;
    font-size: 25px;
    cursor: pointer;
    z-index: 999;
    color: var(--claro);
}

body{
    background-color: var(--escuro);
    color: var(--claro);
    overflow-x: hidden;
}

.navegacao{
    position: fixed;
    top: 0;
    background: rgba(var(--escuro-rgb), 0.8);
    width: 100%;
    z-index: 999;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);

}

.menu{
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 3rem;
}

.menu-link{
    text-decoration: none;
    color: var(--claro);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.menu-link::after{
    content: '';
    height: 2px;
    width: 0;
    position: absolute;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--primaria), var(--secundaria));
    transition: width 0.5s ease;
}

.menu-link:hover::after{
    width: 100%;
}

.cabecalho{
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.foto-perfil{
    width: 300px;
    height: 300px;
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
    border-radius: 50%;
    border: 4px solid var(--vidro);
    animation: flutuar 5s ease-in-out infinite;
    transition: transform 0.3s ease;
    box-shadow: 0.3 ease;
}

h1{
    font-size: 3.5rem;
    color: var(--primaria);
    font-weight: bold;
    margin: 20px;
}

.cabecalho-sub-titulo{
    font-size: 1.5rem;
    color: var(--claro);
}

.sobre{
    padding: 6rem 2rem;
}

.sobre-titulo{
    font-size: 3rem;
    color: var(--claro);
    text-align: center;
    margin-bottom: 20px;
}

.sobre-caixa{
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 16px;
    border: 1px solid var(--vidro);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.05);
}

.habilidades{
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
    padding: 8px 25px;
    justify-content: center;
}

.tag-habilidades{
    background-color: rgba(77, 124, 254, 0.2);
    color: #4d7cfe;
    padding: 8px 15px;
    border-radius: 20px;
    margin-right: 10px;
    font-size: 14px;
}

.sobre-paragrafo{
    text-align: center;
    text-align: justify;    
    font-size: 1rem;
}

.projetos{
    padding: 6rem 2rem;
}

.projetos-titulo{
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.projetos-card:hover{
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-10px) scale(1.03);
}

.projetos-caixa{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.projetos-card{
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    backdrop-filter: blur(5px);
    border: 1px solid var(--vidro);
    overflow: hidden;
    transition: all 0.5s ease;
    cursor: pointer;
}

.projetos-imagem{
    height: 200px;
    width: 100%;
    object-fit: cover;
    margin-bottom: 10px;
}

.info-projetos{
    margin-bottom: 5px;
    color: var(--cor-texto);
}

.paragrafo-projetos{
    color: rgba(226, 232, 240, 0.8);
    line-height: 1.25rem;
    color: var(--cor-texto-secundario);
}

.botao{
    display: inline-block;
    margin-top: 3em;
    text-align: left;
    text-decoration: none;
    color: var(--maisEscuro);
    background-color: var(--maisEscuro);
    padding: 10px 20px;
    border-radius: 8px;
}

.caixa-textos-projeto{
    padding: 1.5rem;
}

.caixa-textos-projeto h3 {
    color: #4f46e5;
    font-weight: 700;
}

.caixa-textos-projeto p {
    text-align: justify;
}

.caixa-textos-projeto a {
    color: #7c3aed;
    font-weight: 300;    
}

.contato{
    padding: 6rem 2rem;
}

.contatos-titulo{
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.formulario-contato{
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    padding: 2rem;
    border: 1px solid var(--vidro);
    border-radius: 16px;
}

.campo-form{
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: var(--claro);
    border: 1px solid var(--vidro);
    outline: none;
}

.campo-form:focus{
    border-color: var(--secundaria);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.3);

}

.grupo-form{
    margin-bottom: 1.5rem;
}

.botao-form{
    color: var(--claro);
    background: linear-gradient(45deg, var(--primaria), var(--secundaria));
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: all 0.5s ease;
}

.botao-form:hover{
    transform: translateY(-4px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
}

.particulas{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
    background: 
    radial-gradient(circle at 10% 20%, var(--primaria) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, var(--secundaria) 0%, transparent 20%),
    var(--maisEscuro);
}

@keyframes flutuar {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }  
}

.titulo-secao{
    display: flex;
}

.botoes-contato{
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.botao-contato{
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 500;
    min-width: 160px;
    color: white;
}

.whatsapp{background-color: #25D366;}

.email{background-color: #EA4335;}

.instagram{background-color: #0077B5;}

.github{background-color: #0a0f1c;}

footer {
    background-color: var(--maisEscuro);
    color: var(--claro);
    text-align: center;
    padding: 20px 10px;
    font-family: 'Arial', sans-serif;
    font-size: 14px;
    margin-top: 40px;
    border-top: 2px solid #4f46e5;
    backdrop-filter: blur(6px);
    background: rgba(30, 30, 30, 0.7);
    border-top: 2px solid rgba(79, 70, 229, 0.6);
}

footer a {
    display: inline-block;
    margin-bottom: 10px;
}

footer .img_logo_fatec {
    width: 120px;
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

footer .img_logo_fatec:hover {
    transform: scale(1.1);
}

footer p {
    margin: 0;
    opacity: 0.9;
}

.efeito-cursor{
    cursor: pointer;
    transition: translateY 0.2s ease-in-out;
}

.efeito-cursor:hover{
    transform: translateY(-5px);
}

/*responsividade*/ 

/*img {
    max-width: 100px;
    height: auto;
}*/


@media (max-width: 768px){
    header{
        padding: 20px;
    }

    .projetos-caixa{
    grid-template-columns: 1fr;
    }

    .menu{
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    }

    .secao{
        padding: 60px 20px;
    }

    h1{
        font-size: 2rem;
    }

    .sobre-titulo, .projetos-titulo, .contatos-titulo{
        font-size: 2rem;
    }

    .foto-perfil{
        width: 180px;
        height: 180px;
    }

    :focus-visible{
        outline: 2px solid var(--primaria);
        outline-offset: 4px;
    }

    /*body{
        background-color: #25D366;
    }*/
}