:root {
  color-scheme: light;
  --bg: #ffffff;
  --secondary: #fafafa;
  --text: #171717;
  --text-color: var(--text);
  --muted: #737373;
  --brand: #0b7a75;
  --border: #e5e5e5;
  --focus: #171717;
  --brand-link: #500000;
  --theme-transition-fast: 200ms;
  --theme-transition-normal: 220ms;
  --theme-switch-slide-ms: 320ms;
  --theme-transition-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0a0a;
  --secondary: #171717;
  --text: #fafafa;
  --text-color: var(--text);
  --muted: #a3a3a3;
  --brand: #2dd4bf;
  --border: #262626;
  --focus: #fafafa;
  --brand-link: #500000;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  padding: 3.5rem 1.5rem;
  transition:
    background-color var(--theme-transition-normal) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease);
}

body::before {
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--brand) 16%, transparent) 28%,
    color-mix(in srgb, var(--text) 10%, var(--bg) 90%) 50%,
    color-mix(in srgb, var(--secondary) 58%, transparent) 72%,
    transparent 100%
  );
  content: "";
  inset: -12vh auto -12vh 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  transform: translate3d(-126%, 0, 0);
  transform-origin: left center;
  width: clamp(18rem, 42vw, 34rem);
  will-change: transform, opacity;
  z-index: 50;
}

.skip-link {
  left: 1rem;
  opacity: 0;
  position: absolute;
  top: 1rem;
  z-index: 10;
}

.skip-link:focus-visible {
  background: var(--secondary);
  border: 1px solid var(--border);
  opacity: 1;
  padding: 0.35rem 0.5rem;
  transition:
    background-color var(--theme-transition-fast) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease);
}

.page-shell {
  margin: 0 auto;
  max-width: 40rem;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
}

h2 {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

h3 {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.theme-toggle {
  appearance: none;
  background: color-mix(in srgb, var(--secondary) 45%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  line-height: 1;
  padding: 0.28rem;
  transition:
    background-color var(--theme-transition-fast) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease),
    box-shadow var(--theme-transition-fast) var(--theme-transition-ease);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.theme-toggle:focus-visible {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--focus) 45%, transparent);
}

.theme-toggle-icon {
  display: inline-flex;
  height: 1rem;
  width: 1rem;
}

.theme-toggle-icon svg {
  display: block;
  height: 100%;
  width: 100%;
  animation: theme-icon-swap 220ms var(--theme-transition-ease);
}

html[data-theme-switching="true"] body::before {
  animation: theme-slide-sweep var(--theme-switch-slide-ms) cubic-bezier(0.26, 0.72, 0.19, 1);
}

@keyframes theme-icon-swap {
  from {
    opacity: 0.62;
    transform: rotate(-8deg) scale(0.9);
  }

  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

@keyframes theme-slide-sweep {
  0% {
    opacity: 0;
    transform: translate3d(-126%, 0, 0);
  }

  20% {
    opacity: 0.2;
    transform: translate3d(-82%, 0, 0);
  }

  56% {
    opacity: 0.28;
    transform: translate3d(-4%, 0, 0);
  }

  84% {
    opacity: 0.12;
    transform: translate3d(74%, 0, 0);
  }

  100% {
    opacity: 0;
    transform: translate3d(132%, 0, 0);
  }
}

.section-block {
  margin: 0;
}

.section-block + .section-block {
  margin-top: 2.6rem;
}

p {
  max-width: 65ch;
}

ul {
  list-style: none;
  padding: 0;
}

.app-group + .app-group {
  margin-top: 1rem;
}

.row-list li {
  padding: 0.18rem 0;
}

.inline-list li + li {
  margin-top: 0.35rem;
}

.muted,
.metric-label,
.site-footer {
  color: var(--muted);
  transition: color var(--theme-transition-fast) var(--theme-transition-ease);
}

.inline-list .muted {
  display: inline-block;
  margin-right: 0.45rem;
  min-width: 4.75rem;
}

a {
  color: inherit;
  text-decoration: none;
}

.link {
  color: color-mix(in srgb, var(--text) 96%, transparent);
  display: inline-block;
  padding-bottom: 0.12rem;
  position: relative;
  transition: color var(--theme-transition-fast) var(--theme-transition-ease);
}

.link.techhub-link,
.link.techhub-link:link,
.link.techhub-link:visited,
.link.techhub-link:hover,
.link.techhub-link:focus-visible,
.link.techhub-link:active {
  color: #500000;
  text-decoration: none;
}

.link::after {
  background: currentColor;
  bottom: -0.02em;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 300ms cubic-bezier(0.2, 0.9, 0.2, 1);
  width: 100%;
}

.link:hover::after,
.link:focus-visible::after {
  transform: scaleX(1);
}

.link.techhub-link::after {
  background: #500000;
}

.link.techhub-link:hover::after,
.link.techhub-link:focus-visible::after {
  background: var(--text-color);
}

.external-mark {
  font-size: 0.8em;
  margin-left: 0.15rem;
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.2;
}

.metric-cycle {
  min-height: 3.7rem;
}

.metric-entry {
  animation: metric-fade-slide 380ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes metric-fade-slide {
  from {
    opacity: 0;
    transform: translateY(0.3rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  font-size: 0.8125rem;
}

footer {
  margin-top: 2.6rem;
}

.sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hover-preview {
  background: color-mix(in srgb, var(--bg) 92%, var(--secondary));
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 0.55rem;
  box-shadow: 0 10px 24px color-mix(in srgb, #000000 16%, transparent);
  display: flex;
  flex-direction: column;
  left: var(--preview-x, 1rem);
  max-height: calc(100vh - 1.75rem);
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  top: var(--preview-y, 1rem);
  transform: translate3d(0, 6px, 0) scale(0.992);
  transition:
    opacity 120ms ease-out,
    transform 140ms cubic-bezier(0.2, 0.72, 0.18, 1),
    background-color var(--theme-transition-normal) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    box-shadow var(--theme-transition-fast) var(--theme-transition-ease);
  width: min(26.25rem, calc(100vw - 2rem));
  z-index: 30;
}

.hover-preview.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hover-preview-media {
  border-radius: 0.5rem;
  display: block;
  height: auto;
  max-height: min(52vh, 28rem);
  object-fit: contain;
  width: 100%;
  background: var(--secondary);
  transition: background-color var(--theme-transition-fast) var(--theme-transition-ease);
}

@media (max-width: 42rem) {
  body {
    padding: 2.8rem 1.25rem;
  }

  .hover-preview {
    width: min(22rem, calc(100vw - 2rem));
  }
}