:root {
    --primary-color: rgba(13, 110, 139, 0.63);
    --overlay-color: rgba(24, 39, 51, 0.85);
    --menu-speed: 0.75s;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.4;
}
.container {
    max-width: 960px;
    margin: auto;
    overflow: hidden;
    padding: 0 3rem;
}
.showcase {
    background-color: var(--primary-color);
    color: #ffffff;
    height: 100vh;
    position: relative;
}
.showcase::before {
    content: '';
    background: url('../img/showcase.jpg') no-repeat center center/cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.showcase .showcase-inner{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
}
.showcase h1 {
    font-size: 4rem;
}
.showcase p {
    font-size: 1.3rem;
}
.btn {
    display: inline-block;
    border: none;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    margin-top: 1rem;
    text-decoration: none;
    transition: opacity 1s ease-in;
}
.btn:hover {
    opacity: 0.7;
}