/* Global variables */

:root {
    --bg-color: #f9f9f9;
    --text-color: #262626;
    --green-color: #009245;
    --red-color: #ed1c24;
    --blue-color: #0000ff;
    --grey-color: #cecece;
    --top-margin: 3.5rem;
    --bottom-margin: 1.5rem;
    --left-margin: 1.5rem;
    --right-margin: 1.5rem;
    --content-top-margin: 5.5rem;
    --content-bottom-margin: 3.5rem;
}

/* Global styles */

html {
  font-size: 16px;
  font-family: "Archivo", sans-serif;
  font-weight: 400;
}

/* Body styles */

body {
    margin: 0;
    padding: 0;
    background: var(--bg-color);
    overflow: hidden; /* prevent scrolling */
}

/* Global animations */

.underline-button {
    display: inline-block;
    position: relative;
    padding-bottom: 0.2rem;
    margin-bottom: -0.2rem;
    background-image: linear-gradient(var(--text-color) 0 0);
    background-position: 0 100%;
    background-size: 0% 1px;
    background-repeat: no-repeat;
    transition: 
        background-size 0.6s,
        background-position 0s 0.6s;
}

.underline-button:hover,
.underline-button:active,
.underline-button:focus-visible,
.underline-button.active {
  background-position: 100% 100%;
  background-size: 100% 1px;
}

.asterisk {
  animation: rotation 4s linear infinite;
  font-size: 0.6rem;
  display: inline-block;
}

@keyframes rotation {
    from { 
        transform: rotate(0deg); 
    }
    to {
        transform: rotate(360deg);
    }
}

.external-link-arrow {
    font-size: 0.6rem;
}

/* Home header styles */

.home-header {
    position: fixed;
    left: 50%;
    top: var(--top-margin);
    transform: translateX(-50%);
    padding: 0;
    z-index: 1000;
}

.home-link {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    cursor: pointer;
    text-align: left;
}

.home-title {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.05rem;
}

.home-header .asterisk {
  position: absolute;
}

/* Main menu styles */

.main-menu {
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
}

.main-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.main-menu-list li {
    position: relative;
}

.main-menu-list li {
    position: relative;
}

.main-menu-item {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 14rem;
    height: 14rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.main-menu-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: screen;
    background-color: var(--text-color);
    transition: background-color 0.3s ease;
}

#main-menu-about-item .main-menu-item img:hover {
    background-color: var(--red-color);
}

#main-menu-my-work-item .main-menu-item img:hover {
    background-color: var(--green-color);
}

#main-menu-misc-item .main-menu-item img:hover {
    background-color: var(--blue-color);
}

@media (max-width: 700px) {
    .main-menu {
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .main-menu-list {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }

    .main-menu-item {
        width: 8rem;
        height: 8rem;
    }
}

/* Contact styles */

.contact-card {
    position: fixed;
    right: var(--right-margin);
    bottom: calc(var(--bottom-margin) + 4.5rem);
    line-height: 1.45;
    color: var(--text-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease-in-out;
    z-index: 950;
    text-align: right;
}

.contact-card.active {
    opacity: 1;
    pointer-events: auto;
}

.contact-card dl {
    margin: 0;
}

.contact-card dt {
    font-size: 0.8rem;
    font-weight: 400;
    margin: 0 0 0.15rem 0;
}

.contact-card dd {
    margin: 0 0 0.75rem 0;
}

.contact-card a {
    color: var(--blue-color);
    text-decoration: none;
    font-size: 0.7rem;
}

.contact-card a .external-link-arrow {
    color: var(--text-color);
}

/* Grey out all menu images when contact card is open */
#contactCard.active ~ .main-menu .main-menu-item img,
body:has(#contactCard.active) .main-menu .main-menu-item img {
    background-color: var(--grey-color);
}

body:has(#contactCard.active) .main-menu .main-menu-item img:hover {
    background-color: var(--grey-color);
}

/* Footer styles */

.footer-source {
    display: inline-block;
    color: var(--text-color);
}

.page-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: var(--bottom-margin);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: var(--left-margin);
    padding-right: var(--right-margin);
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
    background: transparent;
    font-size: 0.9rem;
    color: var(--text-color);
    z-index: 1000;
}

.page-footer a {
    color: var(--text-color);
    text-decoration: none;
}

.footer-back {
    display: none;
}

.page-footer .asterisk {
    vertical-align: super;
}