/* --- Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Helvetica, Arial, sans-serif;
    color: #000000;
    background-color: #ffffff;
    line-height: 1.4;
    
}

#wrapper {
    max-width: 1200px;     
    margin: 40px auto;
    padding: 0 20px;
}

/* --- Header Section --- */
header {
    /* Restricts the block and the double line to 500px wide */
    width: 100%; 
    border-bottom: 4px double #000000;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

header h1 {
    font-size: 2em; 
    text-transform: none;
    font-weight: bold;
    letter-spacing: .39em; 
    margin: 0;
}

.first-word {
    font-weight: bold;
}

/* --- Navigation Section --- */
nav {
    /* Forces navigation to match the exact width and alignment of the header */
    width: 500px; 
    margin-bottom: 30px; 
}

nav .nav {
    list-style: none;
    display: flex; 
    justify-content: space-between; /* Spreads links evenly across the 500px span */
    padding-left: 0;
    margin-left: 0;
}

nav .nav li {
    margin: 0;
}

nav .nav a {
    text-decoration: none;
    color: #000;
    font-weight: normal;
}

nav .nav a:hover {
    color: #03F; 
}

/* --- Main Layout Structure --- */
.main-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between; 
    width: 100%;
    gap: 40px;
}

.left-stack {
    width: 500px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

/* --- Text Content Area --- */
#leftcolumn h3 {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    width: 500px;
}

#leftcolumn p {
    font-size: .8em;
    text-align: justify;
    margin-bottom: .8em;
    text-justify: inter-word;
    width: 500px;
}
/*
/* --- Thumbnails Gallery --- */
/*.thumbnail-gallery {
    display: flex; 
    flex-wrap: wrap; 
    gap: 0; 
}/*

/*.thumbnail-item {
    margin-right: 10px; 
}/*

/*.thumbnail {
    opacity: 0.65;
    transition: opacity .2s ease-in-out;
    cursor: pointer;
    border: 2px solid #000000;
}

/*.thumbnail:hover {
    opacity: 1; 
}*/

/* --- Large Image Display Area --- */
.Around { flex: 0 0 auto; }

#LargeOne {
    display: block;
    height: auto;
    max-width: 600px; 
    border: 2px solid #000000; 
    opacity: 1;
    transition: opacity 0.2s ease-in-out; 
}

/* --- Footer Alignment --- */
.Copyright {
    margin-top: 40px;
    font-size: 14px;
    text-align: left;
}

/* --- Responsive Breakpoints --- */
@media screen and (max-width: 920px) {
    .main-container {
        flex-direction: column;
        gap: 39px;
    }
    
    header, nav, .left-stack, #leftcolumn h3, #leftcolumn p {
        width: 100%;
    }
    
    header h1 {
        font-size: 1.8em;
    }
    
    nav .nav {
        justify-content: flex-start;
        gap: 20px;
        flex-wrap: wrap;
    }