:root {

  /* —————————————————— Colors Primaries —————————————————— */
  
  --black: #181818;
  --gray-5: #323232;
  --gray-4: #343434;
  --gray-3: #5d5d5d;
  --gray-2: #a3a3a3;
  --gray-1: #f2f2f2;
  --white: #fff;
  --orange: #ff5c34;
  --orange-2: #E8451D;
  --orange-3: #C43B19;
  --burnt-orange: #693022;
  --peach: #F99780;

  /* ——————————————————— Light Theme Colors —————————————————— */

  --background: var(--gray-1);
  --font-color: var(--gray-4);
  --font-color-light: var(--gray-3);
  --font-color-link: var(--gray-4);
  --font-color-link-hover: var(--orange);
  --font-color-link-focus: var(--gray-1);
  --font-color-link-active: var(--orange-2);
  --font-color-link-selection: var(--gray-1);
  --font-color-link-underline: var(--gray-2);
  --font-color-link-underline-hover: var(--peach);
  --font-color-link-underline-active: var(--orange);
  --color-active: var(--orange);
  --stroke-color: var(--gray-2);
}

/* ——————————————————— Dark Theme Colors —————————————————— */

.dark {
  --background: var(--black);
  --font-color: var(--gray-2);
  --font-color-light: var(--gray-3);
  --font-color-link: var(--gray-2);
  --font-color-link-hover: var(--orange);
  --font-color-link-focus: var(--black);
  --font-color-link-active: var(--orange-3);
  --font-color-link-selection: var(--black);
  --font-color-link-underline: var(--gray-4);
  --font-color-link-underline-hover: var(--burnt-orange);
  --font-color-link-underline-active: var(--orange-3);
  --color-active: var(--orange); 
  --stroke-color: var(--gray-5);
  }

html {
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-background-size: cover;
  -moz-osx-font-smoothing: greyscale;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background: var(--background);
  color: var(--font-color);
}

body {
  background: var(--background);
  color: var(--font-color);
  font-family: var(--font-display);
  text-rendering: optimizeSpeed;
  font-size: 24px;
  line-height: 140%;
  margin: 0 16px 0 16px;
  animation: fadein 1s;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

main {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 820px;
  margin: 0 auto;
}

.work-img {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0 24px 0;
}

header h1 {
  font-family: var(--font-display);
  font-size: inherit;
  font-weight: normal;
}

header h1:first-child {
  margin-top: 0;
}

header h1:last-child {
  margin-bottom: 0;
}

header h2 {
  font-family: var(--font-regular-italic);
  font-size: 14px;
  font-weight: normal;
  margin: 0;
}

.bio {
  position: relative;
  padding: 0 0 24px 0;
}

.links {
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  line-height: 100%;
  border-style: solid none none none;
  border-color: var(--stroke-color);
  border-width: 1px;
  padding: 24px 0 24px 0;
}

.social {
  position: relative;
  display: flex;
  align-items: center;
}

.social-icon {
  font-family: var(--font-display);
  margin: 0;
  padding-right: 10px;
}

.footer {
  position: relative;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  align-items: flex-start;
  color: var(--font-color-light);
  font-family: var(--font-regular);
  font-size: 12px;
  line-height: 150%;
  gap: 24px;
  border-style: solid none none none;
  border-color: var(--stroke-color);
  border-width: 1px;
  padding: 24px 0 24px 0;
}

.footer-text {
  flex-grow: 1;
}

/* ——————————————————— Responsive Behavior —————————————————— */

@media screen and (min-width: 640px) {
  
  body {
    margin: 0 24px 0 24px;
  }

  .work-img {
    margin: 32px 0 32px 0;
  }

  header h1 {
    font-size: 32px;
    line-height: 140%;
  }

  header h2 {
    font-size: 18px;
    line-height: 140%;
  }

  .bio {
    padding: 0 0 32px 0;
  }
 
  .links {
    padding: 32px 0 32px 0;
  }

  .social-icon {
    padding-right: 16px;
  }

  .footer {
    padding: 32px 0 32px 0;
  }
}

/* ——————————————————— Buttons —————————————————— */

.toggle-btn {
  background-color: var(--background);
  color: var(--font-color-link);
  font-family: var(--font-regular-italic);
  font-size: 12px;  
  text-decoration: none;
  border: none;
  cursor: pointer;
  padding: 0;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
  -webkit-user-select: none;
}

.toggle-label {
  text-decoration: underline;
  text-decoration-color: var(--font-color-link-underline);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.toggle-icon {
  color: var(--font-color-link);
  padding-right: 4px;
}

/* Focus State */

.toggle-btn:focus {
  outline: none;
}

.toggle-btn:focus-visible {
  background-color: var(--color-active);
  color: var(--font-color-link-focus);
}

.toggle-btn:focus-visible .toggle-icon {
  color: var(--font-color-link-focus);
}

/* Active State */

.toggle-btn:active {
  color: var(--font-color-link-active);
}

.toggle-btn:active .toggle-label {
  text-decoration-color: var(--font-color-link-underline-active);
}

.toggle-btn:active .toggle-icon {
  color: var(--font-color-link-active);
}

/* Hover State */

@media (hover: hover) and (pointer: fine) {

  .toggle-btn:hover {
    color: var(--font-color-link-hover);
  }
  
  .toggle-btn:hover .toggle-label {
    text-decoration-color: var(--font-color-link-underline-hover);
  }
  
  .toggle-btn:hover .toggle-icon {
    color: var(--color-active);
  }
}

/* ——————————————————— Links —————————————————— */

a {
  font-family: inherit;
  color: var(--font-color-link);
  text-decoration: underline;
  text-decoration-color: var(--font-color-link-underline);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:visited {
  color: inherit;
}

a:hover {
  color: var(--font-color-link-hover);
  text-decoration: underline;
  text-decoration-color: var(--font-color-link-underline-hover);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: 0.3s ease;
  cursor: pointer;
}

a:focus-visible {
  background: var(--color-active);
  color: var(--font-color-link-focus);
  outline: none;
}

a:active {
  color: var(--font-color-link-active);
  text-decoration-color: var(--font-color-link-underline-active);
}

/* ——————————————————— Selection —————————————————— */

::selection {
  background: var(--color-active);
  color: var(--font-color-link-selection);
}

::-moz-selection {
  background: var(--color-active);
  color: color var(--font-color-link-selection);
}