/* Symmetrical Pure CSS Reset */
@import url("https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@300;400;600&display=swap");

* { box-sizing: border-box; margin: 0; padding: 0; }

body, html { 
    height: 100%; 
    width: 100%; 
    overflow: hidden; 
    background-color: #000000; 
    color: #ffffff;
    font-family: "Source Sans Pro", sans-serif;
}

/* Background Layer */
#bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%; z-index: 1;
    /* This color loads instantly while the image downloads in the background */
    background: #1b1f22 url("/images/background-blur-clean-clear-531880_tinified.jpg") no-repeat center center / cover;
}

#bg:before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.65); 
    z-index: 2;
}

/* The Spine: Horizontal and Vertical Centering */
#wrapper {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between; /* Pushes content to 25% top and bottom */
    padding: 25vh 0; /* Creates the empty 25% space at top and bottom */
}

#header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#header h1 { 
    font-size: 5rem; 
    font-weight: 400; 
    letter-spacing: 0.5rem; 
    line-height: 1;
}

#header p { 
    text-transform: uppercase; 
    letter-spacing: 0.2rem; 
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* Navigation Line and Buttons */
nav { 
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* The long vertical line */
nav:before {
    content: '';
    display: block;
    width: 1px;
    height: 15vh; /* Bridges the gap from header */
    background: #ffffff;
    margin-bottom: 2rem;
    opacity: 0.6;
}

nav ul { 
    list-style: none; 
    display: flex; 
    border: 1px solid #ffffff; 
    border-radius: 4px;
}

nav ul li:first-child { border-right: 1px solid #ffffff; }

nav ul li a { 
    display: block; 
    width: 14rem; 
    padding: 1.2rem 0; 
    color: #ffffff; 
    text-decoration: none; 
    text-transform: uppercase; 
    font-size: 0.75rem; 
    letter-spacing: 0.2rem;
    text-align: center;
    transition: background 0.2s;
}

nav ul li a:hover { background: rgba(255, 255, 255, 0.1); }

/* Footer: Anchored to the very bottom */
#footer {
    position: absolute;
    bottom: 2rem;
    width: 100%;
    text-align: center;
}

#footer p {
    font-size: 0.6rem; 
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    opacity: 0.4;
}

#footer a { color: inherit; text-decoration: none; border-bottom: 1px dotted rgba(255,255,255,0.5); }