:root {
    --sans: "Atlas Grotesk", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
    --font-size-giant: clamp(3rem);
    --font-size-large: clamp(1.5rem);
    --font-size-medium: clamp(1rem);
    --font-size-small: clamp(15px);
    --font-weight-bold: 900;
    --font-weight-normal: 400;
    --font-weight-thin: 100;
    --margin: 16px;    
    --white: #EFEFEF;
    --black: #191919;
}

body {
    margin: 0;
    padding: 0;
    background: var(--black);
    color: var(--white);
    word-wrap: break-word;
    line-height: 1.4;
}


.topnav {
    list-style-type: none;
    float: right;
    margin: var(--margin) var(--margin) var(--margin) var(--margin);
    display: flex;
    padding: 0;
}

.topnav .navlink {
    position: relative;
    text-decoration: none;
    color: var(--white);
}

.topnav .navlink::after {
    content: ''; /*add content after element*/
    position: absolute; /*position absolute for pseudo-element*/
    width: 100%; /* full width*/
    transform: scaleX(0); /*initial scale of 0 for underline effect*/
    height: 2px; /* height of underline */
    bottom: 0; /* align to bottom */
    left: 0; /* align to left */
    background-color:  var(--white);
    transform-origin: bottom right;
    transition: transform 0.2s ease-out; /* transition effect for the underline */
}

.topnav .navlink:hover::after {
    transform: scaleX(1); /* scale the underline on hover */
    transform-origin: bottom left; /* set transform origin */
}

.topnav .navlink.active::after {
    transform: scaleX(1); /* matches state when hovering */
    transform-origin: bottom left;
}

/* the below was added by claude and I */
.topnav .navlink.receding::after {
    transform: scaleX(0);
    transform-origin: bottom right;
}

.dropdown {
    margin-top: var(--margin);
    overflow: hidden;
    max-width: 200px;    
}

.dropdown a {
    padding-bottom: 3px;
}


/* should be hidden by defaule */
.dropdown-content {
    background-color: var(--black);
    box-shadow: -10px 10px 10px 8px var(--black);
    padding-left: var(--margin);
    padding-bottom: var(--margin);
    right: var(--margin);
    position: absolute;
    text-align: right;
    /* Hide properties */
    visibility: none; /* Prevent interaction */
    opacity: 0; /* Fade out */
    max-height: 0; /* Collapse height */
    overflow: hidden; /* Hide overflow content */
    
    /* Transitions: Animate opacity and max-height */
    transition: 
        opacity 0.3s ease, 
        max-height 0.4s ease, 
        visibility 0.3s ease;
}    

.dropdown:hover .dropdown-content {
    visibility: visible;
    opacity: 1;
    max-height: 800px;
}

/* claude and I */
.dropdown:hover > .navlink::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.header {
    height: 25%;
    padding: 0;
    margin: 0;
    text-align: center;
    font-size: 30px;
}
    
.footer {
    text-align: center;
    margin: 16px;

}

h1 {
    margin: 0;
    margin-left: var(--margin);
    font-size: 48px;
    font-family: var(--sans);
    font-weight: 900;
}

h2 {
    margin-top: 64px;
    margin-left: var(--margin);
    font-family: var(--sans);
    font-weight: var(--font-weight-normal);
    font-size: 36px;
}

p {
    font-weight: var(--font-weight-thin);
    font-size: var(--font-size-large);
    font-size: 24px;
    line-height: 1.4;
    margin: 16px;
}

ul {
    list-style: none;
}

li::before {
    content: "\21D2";
}

a {
    margin: var(--margin);
    font-weight: var(--font-weight-thin);
    font-size: 24px;
    color: var(--font-color);
}

.smallParagraph {
    font-size: var(--font-size-small);
}

.content {
    display: grid;
    grid-template-rows: repeat(12, 1fr);
    
}

.center {
    position: absolute;
    justify-content: center;
    place-items: center;
    margin: auto;

}