:root {
    margin: 0;
    padding: 0;
    --background: rgba(8, 18, 68, 0.9);
    --annotation: rgba(194, 168, 49, 0.9);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', Verdana, Geneva, Tahoma, sans-serif;
    font-size: 100%;
}

header {
    position: fixed;
    width: 100%;
    background: var(--background);
    border: none;
    text-align: left;
    z-index: 999;
}

.logo {
    max-width: 100%;
    height: auto;
    margin: 1rem 0 1rem 1rem;
}

.nav-toggle {
    display: none;
}
  
.nav-toggle-label {
    position: absolute;
    top: 0;
    right: 0;
    margin-right: 1rem;
    height: 100%;
    display: flex;
    align-items: center;
}
  
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: rgba(255, 255, 255, 0.9);
    height: 2px;
    width: 2rem;
    border-radius: 2px;
    position: relative;
}
  
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}
  
.nav-toggle-label span::before {
    bottom: 7px;
}
  
.nav-toggle-label span::after {
    top: 7px;
}
  
nav {
    position: absolute;
    text-align: right;
    top: 100%;
    right: 0;
    background: var(--background);
    width: 100%;
    transform: scale(1, 0);
    transform-origin: top;
    transition: transform 400ms ease-in-out;
}
  
nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
  
nav li {
    margin-bottom: 1rem;
    margin-right: 1rem;
}
  
nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 1.2rem;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 150ms ease-in-out;
}
  
nav a:hover {
    color: var(--annotation);
}
  
.nav-toggle:checked ~ nav {
    transform: scale(1,1);
}
  
.nav-toggle:checked ~ nav a {
    opacity: 1;
    transition: opacity 250ms ease-in-out 250ms;
}

.nav-toggle:checked ~ .nav-toggle-label span,
.nav-toggle:checked ~ .nav-toggle-label span::before,
.nav-toggle:checked ~ .nav-toggle-label span::after {
    background-color: var(--annotation);
}

.banner, .article-1, .article-2, .article-3, .ftr {
    position: relative;
    margin: 0;
    padding: 0;
}

.background {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0;
    padding: 0;
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    text-transform: uppercase;
    text-align: center;
    color: rgba(255, 255, 255, 1);
    font-size: 1.2rem;
    text-shadow: 2px 2px var(--background);
    background-color: rgba(255, 255, 255, 0.25);
    padding: 50% 0;
}

h1, h3, h4, p {
    margin: 0;
    padding: 0;
}

h3, h4, p {
    width: 100%;
}

h3 {
    margin-bottom: 2rem;
}

h3, h4, p {
    padding: 0.5rem 1rem;
}

.article-1-text, .article-2-text, .article-3-text, .ftr-text {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    text-align: center;
}

.article-2-text, .contact, .ftr-text {
    color: rgba(255, 255, 255, 0.9);
}

.ftr-text {
    margin: 0;
    padding: 0;
    width: 100%;
}

#contact {
    position: absolute;
    margin: 0;
    padding: 0;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    font-size: 1.2rem;
}

form label {
    display: none;
}

#name, #last, #email, #subject, #message {
    width: 80%;
    height: 1.2rem;
    margin: 0.5rem 0;
    padding: 0;
    background-color: rgba(255, 255, 255, 0.5);
    color: rgba(8, 18, 68, 0.9);
    border: none;
    font-family: 'Roboto', Verdana, Geneva, Tahoma, sans-serif;
    font-size: 1rem;
}

#name::placeholder,
#last::placeholder,
#email::placeholder,
#subject::placeholder,
#message::placeholder {
    color:rgba(8, 18, 68, 0.9);
    font-family:'Roboto', Verdana, Geneva, Tahoma, sans-serif;
    font-size: 1rem;
}

#message {
    height: 5rem;
}

#submit {
    width: 40%;
    height: 1.5rem;
    margin: 0;
    padding: 0;
    background-color: rgba(255, 255, 255, 0.5);
    color: rgba(8, 18, 68, 0.9);
    border: none;
    font-family:'Roboto', Verdana, Geneva, Tahoma, sans-serif;
    text-transform: uppercase;
    font-size: 1.2rem;
    font-weight: bolder;
}

#submit:hover {
    color: var(--annotation);
}

#disclaimer {
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    text-transform: capitalize;
    font-size: 0.75rem;
}

@media screen and (min-width: 600px) {

    .banner-text {
        top: 50%;
        left: 4rem;
        transform: translateY(-50%);
        padding: 50% 1rem;
    }
    
    #name, #last, #email, #subject, #message {
        width: 60%;
        height: 1.5rem;
    }

    #message {
        height: 6rem;
    }
    
    #submit {
        width: 30%;
        height: 2.5rem;
    }

}

@media screen and (min-width: 960px) {

    .nav-toggle-label {
        display: none;
    }
  
    header {
        display: grid;
        grid-template-columns: 1fr auto minmax(600px, 3fr) 1fr;
    }

    .navbar {
        display: flexbox;
        grid-column: 2/3;
    }
    
    nav {
        position: relative;
        text-align: right;
        transition: none;
        transform: scale(1,1);
        background: none;
        top: initial;
        left: initial;      
        grid-column: 3 / 4;
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }
    
    nav ul {
        display: flex;
    }
    
    nav li {
        margin-left: 3em;
        margin-bottom: 0;
    }
    
    nav a {
        opacity: 1;
        position: relative;
    }
    
    #name, #last, #email, #subject {
        width: 30%;
        height: 1.5rem;
    }

    #name, #email {
        margin-right: 0.5%;
    }

    #last, #subject {
        margin-left: 0.5%;
    }

    #message {
        width: 61%;
    }
}

@media screen and (min-width: 1200px) {

    .banner-text {
        top: 60%;
        left: 25rem;
        transform: translateY(-50%);
        padding: 50% 1rem;
        font-size: 1.5rem;
    }

    .article-1-text, .article-2-text, .article-3-text, .ftr-text {
        font-size: 1.5rem;
    }

    h3 {
        margin-bottom: 6rem;
    }

    p {
        padding: 1.5rem 0;
    }

    #name, #last, #email, #subject {
        width: 30%;
        height: 2rem;
    }

    #message {
        height: 8rem;
    }

}