*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  background: var(--night-0);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
  scroll-padding-bottom: calc(var(--dock-h) + 1.5rem);
}

body {
  margin: 0;
  min-height: 100dvh;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: clip;
  -webkit-tap-highlight-color: transparent;
}

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

h1,
h2,
h3 {
  line-height: var(--lh-tight);
  font-weight: 800;
}

a {
  color: inherit;
}

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

img,
svg {
  display: block;
}

::selection {
  background: rgba(20, 227, 208, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: fixed;
  z-index: 100;
  inset-inline-start: 1rem;
  top: 1rem;
  padding: 0.6rem 1rem;
  border-radius: var(--r-control);
  background: var(--night-2);
  transform: translateY(-200%);
}

.skip:focus {
  transform: none;
}

/* living background */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(110% 70% at 100% 0%, rgba(56, 189, 248, 0.12), transparent 62%),
    radial-gradient(90% 60% at 0% 100%, rgba(20, 227, 208, 0.1), transparent 60%),
    linear-gradient(180deg, var(--night-0) 0%, var(--night-1) 100%);
  view-transition-name: backdrop;
}

.blob {
  position: absolute;
  width: 48vmax;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--blob) 0%, transparent 68%);
  animation: drift var(--blob-time, 30s) var(--ease-wave) infinite alternate;
  animation-delay: var(--phase, 0s);
  will-change: transform;
}

.blob-a {
  --blob: rgba(20, 227, 208, 0.3);
  --blob-time: 28s;
  top: -16vmax;
  right: -12vmax;
}

.blob-b {
  --blob: rgba(56, 189, 248, 0.28);
  --blob-time: 36s;
  bottom: -20vmax;
  left: -14vmax;
}

.blob-c {
  --blob: rgba(99, 102, 241, 0.2);
  --blob-time: 42s;
  width: 36vmax;
  top: 28%;
  left: 30%;
}

.blob-d {
  --blob: rgba(45, 212, 191, 0.16);
  --blob-time: 33s;
  width: 30vmax;
  bottom: 6%;
  right: 18%;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(7vmax, -5vmax, 0) scale(1.14);
  }
  100% {
    transform: translate3d(-5vmax, 6vmax, 0) scale(0.92);
  }
}

.particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* type */

.display {
  font-size: var(--fs-display);
  font-weight: 850;
  line-height: 1.25;
}

.text-gradient {
  background: var(--grad-title);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 22px rgba(20, 227, 208, 0.22));
}

.muted {
  color: var(--ink-dim);
}

/* page frame */

.page {
  width: min(var(--page-max), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding-block: 0.5rem 4rem;
}

.page-head {
  display: grid;
  gap: 0.35rem;
  margin-block: clamp(1.4rem, 0.9rem + 2vw, 2.4rem) 1.6rem;
}

.page-head h1 {
  font-size: var(--fs-title);
}

.page-head p {
  max-width: 62ch;
  color: var(--ink-dim);
}

.stack {
  display: grid;
  gap: 1rem;
}

/* entrance */

.rise {
  animation: rise var(--dur-slow) var(--ease-out) backwards;
  animation-delay: calc(var(--i, 0) * 85ms + 80ms);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.965);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

/* page transitions */

@media (prefers-reduced-motion: no-preference) {
  @view-transition {
    navigation: auto;
  }
}

::view-transition-old(root) {
  animation: 180ms var(--ease-out) both vt-out;
}

::view-transition-new(root) {
  animation: 380ms var(--ease-out) both vt-in;
}

::view-transition-group(backdrop),
::view-transition-new(backdrop),
::view-transition-new(site-header),
::view-transition-new(dock) {
  animation: none;
}

::view-transition-old(backdrop),
::view-transition-old(site-header),
::view-transition-old(dock) {
  display: none;
}

::view-transition-group(nav-pill),
::view-transition-group(dock-pill) {
  animation-duration: 480ms;
  animation-timing-function: var(--ease-spring);
}

@keyframes vt-out {
  to {
    opacity: 0;
    transform: scale(0.985);
  }
}

@keyframes vt-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 1ms !important;
  }

  .toast-timer,
  .toast-timer::before,
  .toast-timer::after {
    animation-duration: 5.5s !important;
    animation-iteration-count: 1 !important;
  }

  .blob {
    animation: none !important;
  }
}