:root {
  /* Colors */
  --color-bg: #f5f5f5;
  --color-black: #000000;
  --color-focus: #ffa500;
  --color-link: #ffffff;
  --color-link-hover: #ffa500;
  --color-muted: #666666;
  --color-primary: #0066cc;
  --color-text: #1a1a1a;
  --color-white: #ffffff;

  --color-bonfire-orange: #de977a;
  --color-instagram-purple: #7638fa;
  --color-facebook-blue: #1877f2;
  --color-linkedin-blue: #0077b5;
  --color-x-blue: #1D9BF0;
  --color-youtube-red: #db0036;

  /* Modular Scale */
  --ratio: 1.5;
  --s-5: calc(var(--s-4) / var(--ratio));
  --s-4: calc(var(--s-3) / var(--ratio));
  --s-3: calc(var(--s-2) / var(--ratio));
  --s-2: calc(var(--s-1) / var(--ratio));
  --s-1: calc(var(--s0) / var(--ratio));
  --s0: 1rem;
  --s1: calc(var(--s0) * var(--ratio));
  --s2: calc(var(--s1) * var(--ratio));
  --s3: calc(var(--s2) * var(--ratio));
  --s4: calc(var(--s3) * var(--ratio));
  --s5: calc(var(--s4) * var(--ratio));

  /* Typography */
  --font-serif: "Playfair Display", serif;
  --font-sans: "Montserrat", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --line-height-base: var(--ratio);
  --line-height-heading: 1em;

  /* Specialty */
  --panel-box-shadow: 0px 5px 20px 5px rgba(0, 0, 0, 0.35);
}

/* Dark Mode Preference */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121212;
    --color-link: #1a1a1a;
    --color-link-hover: #0052A3;
    --color-muted: #a0a0a0;
    --color-primary: #4da3ff;
    --color-text: #f5f5f5;
    --panel-box-shadow: 0px 5px 20px 5px rgba(0, 0, 0, 0.75);
  }
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-optical-sizing: auto;
  font-weight: 400;
  line-height: var(--line-height-base);
  min-height: 100vh;
  text-rendering: optimizeSpeed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-heading);
  font-family: var(--font-serif);
  font-weight: 600;
  text-wrap: balance;
}

p,
li,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul[class],
ol[class] {
  list-style: none;
}

a {
  color: var(--color-primary);
  text-decoration-skip-ink: auto;
}

img,
picture,
svg,
video,
canvas {
  max-inline-size: 100%;
  height: auto;
  display: block;
}

input,
button,
textarea,
select {
  font: inherit;
}

small {
  font-size: 0.8em;
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus styles */
*:focus {
  outline: 3px solid var(--color-focus);
}

/* Remove underlines from abbreviations */
abbr {
  text-decoration: none;
}

/* Utility classes for supporting older browsers */
[hidden] {
  display: none !important;
}

/* Hide content if it is not focused or active. Content is still visible to screen readers. */
.visually-hidden:not(:focus):not(:active) {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  white-space: nowrap;
}

/* Links/Buttons */
a[href] {
  color: var(--color-link);
  text-decoration-color: var(--color-link);
  text-decoration-thickness: 0.04167em;
  text-underline-offset: 1.5px;
}

a[href]:hover,
a[href]:focus {
  border-color: var(--color-link-hover);
  color: var(--color-link-hover);
  text-decoration-color: var(--color-link-hover);
}

a[target]:after {
  background-image: url(/images/external-link.svg);
  background-repeat: no-repeat;
  background-size: 18px 18px;
  color: var(--color-muted);
  content: "";
  display: inline-block;
  height: 18px;
  margin-left: 3px;
  vertical-align: middle;
  width: 18px;
}

/* Buttons */
.btn {
  border: 1px solid var(--color-link);
  border-radius: 3em;
  color: var(--color-link);
  display: inline-block;
  line-height: 1;
  margin: 0 auto;
  padding: 0.75em 1.5em;
  text-decoration: none;
  transition: 0.25s ease-in-out;
  -moz-transition: 0.25s ease-in-out;
  -webkit-transition: 0.25s ease-in-out;
  width: fit-content;
}

.btn:hover {
  background-color: var(--color-link);
  border-color: var(--color-link) !important;
  color: var(--color-text) !important;
}

/* Layout */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

header {
  z-index: 6;
}

main {
  align-items: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 1.5rem;
  justify-content: center;
  padding: var(--s0);
  z-index: 4;
}

@media (min-width: 768px) {
  main {
    padding: var(--s3);
  }
}

footer {
  z-index: 5;
}

/* Typography */
h1 {
  font-size: var(--s3);
}

h1 span.error {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--s0);
  font-weight: 200;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
}

h2 {
  font-size: var(--s2);
}

h3 {
  font-size: var(--s1);
}

h4 {
  font-size: var(--s0);
}

h5 {
  font-size: var(--s-1);
}

/*  Background images */
.bg-container {
  background-repeat: no-repeat;
  height: 100%;
  left: 0;
  position: fixed;
  top: 0;
  width: 100%;
}

#bg-image {
  background-image: url('/images/background.jpg');
  visibility: hidden;
  z-index: 1;
}

#bg-overlay {
  background: var(--color-black);
  opacity: 0.5;
  z-index: 3;
  transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -webkit-transition: opacity 1s ease-in-out;
  visibility: hidden;
}

#bg-overlay.faded {
  opacity: 0.15;
}

#bg-temp-image {
  background-image: url('/images/background-sm.jpg');
  background-size: cover;
  height: 100%;
  opacity: 1;
  transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -webkit-transition: opacity 1s ease-in-out;
  width: 100%;
  z-index: 2;
}

#bg-temp-image.faded {
  opacity: 0;
}

#not-found #bg-image {
  background-image: url('/images/not-found.jpg');
}

#not-found #bg-temp-image {
  background-image: url('/images/not-found-sm.jpg');
}

/* Tooltips */
.tooltip-wrap {
  position: relative;
  display: inline-block;
}

.tooltip-wrap a:hover + .tooltip-content,
.tooltip-wrap a:focus + .tooltip-content {
  visibility: visible;
  opacity: 1;
}

.tooltip-wrap a[target]:after {
  background-image: none;
  content: none;
}

.tooltip-wrap .tooltip-content {
  visibility: hidden;
  position: absolute;
  bottom: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 0.75rem;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  border-radius: 0.5rem;
  white-space: nowrap;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tooltip-wrap .tooltip-content::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0.5rem;
  border-style: solid;
  border-color: var(--color-bg) transparent transparent transparent;
}

/* Social Links */
#socials a.bonfire:hover,
#socials a.bonfire:focus {
  color: var(--color-bonfire-orange);
}

#socials a.facebook:hover,
#socials a.facebook:focus {
  color: var(--color-facebook-blue);
}

#socials a.instagram:hover,
#socials a.instagram:focus {
  color: var(--color-instagram-purple);
}

#socials a.linkedin:hover,
#socials a.linkedin:focus {
  color: var(--color-linkedin-blue);
}

#socials a.x:hover,
#socials a.x:focus {
  color: var(--color-x-blue);
}

#socials a.youtube:hover,
#socials a.youttube:focus {
  color: var(--color-youtube-red);
}

/* Affiliates */
#affiliates a.oswa img {
  background-color: var(--color-white);
  border-radius: var(--s0);
  padding: 5px;
}

@media (prefers-color-scheme: dark) {
  #affiliates a.oswa img {
    background-color: unset;
  }
}

/* Page styles */
#home h1 {
  aspect-ratio: 79 /95;
  background-color: var(--color-bg);
  -webkit-mask: url('/images/logo.svg') no-repeat center / contain;
  mask: url('/images/logo.svg') no-repeat center / contain;
  display: block;
  height: auto;
  max-width: 300px;
  width: 100%;
}

@media (min-width: 768px) {
  #home h1 {
    width: 300px;
  }
}

ul.list-inline {
  display: flex;
  gap: 1rem;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  ul.list-inline {
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  ul.list-inline {
    gap: 2.5rem;
  }
}

.panel {
  align-items: center;
  background-color: var(--color-text);
  border-radius: 1.5rem;
  box-shadow: var(--panel-box-shadow);
  color: var(--color-bg);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .panel {
    padding: 3rem;
    width: 60%;
  }
}