principal.css

/* Importação da fonte */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* Reset CSS e definição da fonte padrão */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

/* Estilos gerais do body */
body {
    background: #eaeaea;
}

/* Estilos do cabeçalho */
.header {
    position: relative;
    text-align: center;
    width: 100%;
    padding: 30px 8%;
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

/* Estilos do logo */
.logo {
    font-size: 25px;
    color: #222;
    text-decoration: none;
    font-weight: 600;
    opacity: 0;
    animation: slideRight 1s ease forwards;
}

/* Estilos da barra de navegação */
.navbar {
    display: flex;
    align-items: center;
}

.navbar a {
    font-size: 18px;
    color: #000;
    text-decoration: none;
    font-weight: 500;
    margin: 0 20px;
    transition: 0.3s;
}

/* Estilos do conteúdo do menu dropdown */
.navbar .dropdown-content a {
    display: block;
    padding: 10px 20px;
}

.navbar a:hover {
    color: #1743e3;
}

/* Estilos das redes sociais */
.social-media {
    display: flex;
    justify-content: space-between;
    width: 150px;
    height: 40px;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid transparent;
    text-decoration: none;
    transform: rotate(45deg);
    transition: 0.5s;
}

.social-media a:hover {
    border-color: #eaeaea;
}

.social-media a i {
    font-size: 24px;
    color: #eaeaea;
    transform: rotate(-45deg);
}

/* Estilos da seção home */
.home {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 8% 0;
    overflow: hidden;
}

/* Estilos do conteúdo da seção home */
.home-content {
    max-width: 630px;
    position: relative;
    z-index: 1;
    margin-left: -12px;
}

.home-content h1 {
    font-size: 50px;
    line-height: 1.2;
}

.home-content h3 {
    font-size: 25px;
    color: #1743e3;
    margin-bottom: 10px;
}

.home-content p {
    font-size: 16px;
    margin: 5px 0 20px;
    padding-left: 1px;
}

/* Estilos do botão */
.btn {
    display: inline-block;
    padding: 10px 28px;
    background: #1743e3;
    border: 2px solid #1743e3;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    font-size: 16px;
    color: #eaeaea;
    letter-spacing: 1px;
    text-decoration: none;
    font-weight: 600;
    transition: .5s;
}

.btn:hover {
    background: transparent;
    color: #1743e3;
}

/* Estilos da imagem na seção home */
.home-img {
    position: relative;
    right: -7%;
    width: 450px;
    height: 450px;
    transform: rotate(45deg);
}

.home-img .rhombus {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #eaeaea;
    border: 10px solid #1743e3;
    box-shadow: -15px 15px 15px rgba(0, 0, 0, .2);
}

.home-img .rhombus img {
    position: absolute;
    top: 80px;
    left: -200px;
    max-width: 750px;
    transform: rotate(-45deg);
}

/* Elemento de fundo da seção home */
.home .rhombus2 {
    position: absolute;
    top: -25%;
    right: -25%;
    width: 700px;
    height: 700px;
    background: #1743e3;
    transform: rotate(45deg);
    z-index: -1;
}

/* Estilos do menu dropdown */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Animação de entrada do logo */
@keyframes slideRight {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }

    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

.slide-down {
    animation: slideDown 1s ease forwards;
}