@font-face {
  font-family: "Geist";
  src: url("fonts/geist.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #ffffff;
  --ink: #111111;
  --ink-2: #5d5d5c;
  --ink-3: #8c8c8a;
  --ink-4: #c4c4c1;
  --line: #ececea;
  --card: #ffffff;
  --card-2: #f5f5f3;
  --shadow: 0 1px 1px rgba(0, 0, 0, 0.03), 0 8px 24px -6px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.05);
  --accent: #ff4f00;
  --spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --soft: cubic-bezier(0.25, 0.8, 0.25, 1);
  --sans: "Geist", "Helvetica Neue", Helvetica, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0c0c;
    --ink: #ededeb;
    --ink-2: #a3a3a0;
    --ink-3: #6e6e6c;
    --ink-4: #3a3a39;
    --line: #1f1f1e;
    --card: #161616;
    --card-2: #1c1c1b;
    --shadow: 0 0 0 1px rgba(255, 255, 255, 0.07), 0 12px 32px -8px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0c0c0c;
  --ink: #ededeb;
  --ink-2: #a3a3a0;
  --ink-3: #6e6e6c;
  --ink-4: #3a3a39;
  --line: #1f1f1e;
  --card: #161616;
  --card-2: #1c1c1b;
  --shadow: 0 0 0 1px rgba(255, 255, 255, 0.07), 0 12px 32px -8px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul {
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
  border-radius: 4px;
}

/* theme toggle, top right */

.controls {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 20;
}

.theme {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--ink-3);
  transition: color 0.25s ease, background-color 0.25s ease, transform 0.35s var(--spring);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.theme:hover {
  color: var(--ink);
  background: var(--card-2);
}

.theme:active {
  transform: scale(0.9);
}

.theme svg {
  width: 20px;
  height: 20px;
  overflow: visible;
  transition: transform 0.6s var(--spring);
}

.theme .disc {
  fill: currentColor;
  transform-origin: 12px 12px;
  transition: r 0.5s var(--spring);
}

.theme .cut {
  transition: cx 0.6s var(--spring), cy 0.6s var(--spring);
}

.theme .rays {
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  fill: none;
  transform-origin: 12px 12px;
  transition: transform 0.6s var(--spring), opacity 0.3s ease;
}

/* light shows the moon you can switch to, dark shows the sun */
.theme[aria-pressed="false"] .disc {
  r: 8px;
}

.theme[aria-pressed="false"] .cut {
  cx: 17px;
  cy: 7px;
}

.theme[aria-pressed="false"] .rays {
  opacity: 0;
  transform: rotate(-45deg) scale(0.5);
}

.theme[aria-pressed="false"] svg {
  transform: rotate(-20deg);
}

.theme[aria-pressed="true"] svg {
  transform: rotate(90deg);
}

/* holding it hands the theme back to the device, this ring fills while you hold */
.theme::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  opacity: 0;
  transform: scale(0.6);
  pointer-events: none;
}

.theme.holding::after {
  opacity: 0.5;
  transform: scale(1);
  transition: transform 0.6s linear, opacity 0.6s linear;
}

.theme.pulse::after {
  animation: pulse 0.7s var(--soft);
}

@keyframes pulse {
  from {
    opacity: 0.6;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(1.7);
  }
}

.theme-tip {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  white-space: nowrap;
  font-size: 12px;
  color: var(--ink-3);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.4s var(--spring);
}

.theme.told .theme-tip {
  opacity: 1;
  transform: none;
}


/* links to elsewhere, and email copies itself */

.elsewhere {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-top: 40px;
  font-size: 14px;
  color: var(--ink-3);
}

.elsewhere a {
  position: relative;
  transition: color 0.2s ease;
}

.elsewhere a:hover {
  color: var(--ink);
}

/* email copies itself and the word rolls over to "copied" */
.slot {
  display: inline-grid;
  height: 1.6em;
  overflow: hidden;
  vertical-align: bottom;
}

.slot span {
  grid-area: 1 / 1;
  transition: transform 0.5s var(--spring), opacity 0.3s ease;
}

.slot span + span {
  transform: translateY(100%);
  opacity: 0;
}

.email.copied .slot span:first-child {
  transform: translateY(-100%);
  opacity: 0;
}

.email.copied .slot span + span {
  transform: none;
  opacity: 1;
  color: var(--ink);
}

/* page transitions, inside the home and between pages: the old page lifts away, the new one settles in, names and titles fly */

@view-transition {
  navigation: auto;
}

::view-transition-group(*) {
  animation-duration: 0.55s;
  animation-timing-function: var(--spring);
}

::view-transition-group(name),
::view-transition-group(title) {
  animation-duration: 0.6s;
  animation-timing-function: var(--spring);
}

::view-transition-old(name),
::view-transition-new(name),
::view-transition-old(title),
::view-transition-new(title) {
  height: 100%;
  animation-duration: 0.45s;
}

::view-transition-old(root) {
  animation: vt-out 0.28s ease both;
}

::view-transition-new(root) {
  animation: vt-in 0.55s var(--spring) 0.08s both;
}

@keyframes vt-out {
  to {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(-6px);
  }
}

@keyframes vt-in {
  from {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(10px);
  }
}

/* switching theme wipes the new colours out from the toggle in a circle */
html.theming ::view-transition-old(root) {
  animation: none;
}

html.theming ::view-transition-new(root) {
  animation: wipe 0.7s cubic-bezier(0.65, 0, 0.35, 1) both;
}

html.theming * {
  view-transition-name: none !important;
}

@keyframes wipe {
  from {
    clip-path: circle(0 at var(--tx, 100%) var(--ty, 0));
  }
  to {
    clip-path: circle(var(--tr, 150vmax) at var(--tx, 100%) var(--ty, 0));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}