:root {
  --page: #131313;
  --surface: #1c1c1c;
  --surface-2: #232323;
  --term: #0f0f0f;
  --line: rgba(255, 255, 255, .07);
  --line-strong: rgba(255, 255, 255, .14);
  --text: #e5e2e1;
  --dim: #bdc8d1;
  --faint: #87929a;
  --accent: #8ed5ff;
  --warm: #ff8a6a;
  --shadow: 0 24px 60px rgba(0, 0, 0, .5);
  --sans: "Manrope", ui-sans-serif, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .22s;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

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

html {
  background: var(--page);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
@media (min-width: 60rem) { html { font-size: 17px; } }

body { min-height: 100dvh; display: flex; flex-direction: column; overflow-x: hidden; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}
.nav, main, .footer { position: relative; z-index: 1; }

img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 600; line-height: 1.15; letter-spacing: -.022em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: rgba(142, 213, 255, .25); }

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

code {
  font-family: var(--mono);
  font-size: .875em;
  padding: .1em .35em;
  border-radius: 4px;
  background: rgba(255, 255, 255, .06);
  color: var(--text);
  white-space: nowrap;
}

.label {
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faint);
}
.label--accent { color: var(--accent); }
.dot { color: var(--faint); margin-inline: .6em; }
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: .7rem;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--faint);
  padding: .3rem .4rem .2rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: 100;
  padding: .6rem .9rem;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 1rem; }

.wrap { width: 100%; max-width: 72rem; margin-inline: auto; padding-inline: var(--gutter); }
.wrap--prose { max-width: calc(40rem + 2 * var(--gutter)); }

/* nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(19, 19, 19, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 3.5rem;
  gap: 1rem;
}
.nav__mark {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: -.01em;
  white-space: nowrap;
  justify-self: start;
}
.nav__mark img { border-radius: 5px; }
.nav__links { display: flex; gap: 1.75rem; font-size: .875rem; color: var(--dim); }
.nav__links a { transition: color var(--dur) var(--ease); }
.nav__links a:hover { color: var(--text); }
.nav__inner > .pill { justify-self: end; }

/* pills */

.pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  height: 2.6rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.pill:active { transform: translateY(1px); }
.pill--sm { height: 2rem; padding: 0 .9rem; font-size: .8125rem; }
.pill--white { background: var(--text); color: var(--page); }
.pill--white:hover { background: #fff; }
.pill--dark { background: var(--surface-2); color: var(--text); border: 1px solid var(--line-strong); }
.pill--dark:hover { border-color: var(--faint); }

/* hero */

.hero { padding-block: clamp(4rem, 10vh, 7rem) 3.5rem; max-width: calc(40rem + 2 * var(--gutter)); margin-inline: 0; }
@media (min-width: 72rem) { .hero { margin-inline: auto; max-width: 72rem; } .hero > * { max-width: 40rem; } .hero > .hero__title { max-width: none; } }

.hero__title {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -.022em;
  line-height: 1.08;
  text-align: center;
  max-width: none;
}
.hero__title em { font-style: normal; color: var(--accent); }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: 2rem; max-width: none; }

/* the annotated frame */

.wrap--wide { max-width: 72rem; }
.panel {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  border: 1px solid var(--line);
  background-color: var(--surface);
  background-image: radial-gradient(rgba(255, 255, 255, .06) 1px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: 12px 12px;
  overflow: hidden;
}
.panel .window {
  position: absolute;
  left: 10%;
  top: 6%;
  width: 92%;
}
.window {
  background: var(--term);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.window__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.window__dots { position: absolute; left: 12px; display: flex; gap: 6px; }
.window__dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .14); }
.window__url { text-transform: none; letter-spacing: .02em; padding: 2px 40px; border: 1px solid var(--line); border-radius: 6px; }
/* A terminal wears the real macOS lights and a plain title, not an address bar. */
.window__title { text-transform: none; letter-spacing: .02em; color: var(--text-dim); }
.window__dots i:nth-child(1) { background: #ff5f57; }
.window__dots i:nth-child(2) { background: #febc2e; }
.window__dots i:nth-child(3) { background: #28c840; }
.window__body--dark { background: #1b1b1b; padding-top: 6px; }
.window__body { background: #f6f5f2; }
.window__body img, .window__body video { width: 100%; height: auto; }

/* The recording carries its own window chrome, so it sits bare on the grid, fully in view. */
.panel--video {
  aspect-ratio: auto;
  padding: clamp(1rem, 4vw, 3rem);
}
.panel--video .demo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: #000;
  box-shadow: var(--shadow);
}

.callouts__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.callout-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset .9s var(--ease) .25s;
}
.callout-dot { fill: var(--accent); }
.panel[data-shown="true"] .callout-line { stroke-dashoffset: 0; }
.callout {
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: .4rem .7rem;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--text);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .35);
}
.callout .dot { margin-inline: .5em; }

/* sections */

.section { padding-block: 6rem 0; }
.section__head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.5rem; }
.section__title { font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); }
.section__rule { flex: 1; height: 1px; background: var(--line-strong); transform: translateY(-.35em); }
.section__more { white-space: nowrap; transition: color var(--dur) var(--ease); }
.section__more:hover { color: var(--text); }

/* how it works */

.features { display: grid; gap: 1.5rem; }
.feature {
  display: grid;
  grid-template-columns: 5fr 7fr;
  align-items: center;
  min-height: 34rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.feature__text { padding: 3rem 2.5rem 3rem 3.5rem; max-width: 30rem; }
.feature__title { font-size: 1.375rem; color: var(--warm); margin-bottom: .5rem; }
.feature__text p { color: var(--dim); }
.feature__shot { position: relative; align-self: stretch; min-height: 34rem; }
.stage {
  position: absolute;
  top: 1.25rem;
  left: 0;
  right: -5rem;
  bottom: -5rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.stage .window { position: absolute; top: 2rem; left: 2rem; width: calc(100% - 2rem); }
.feature--flip { grid-template-columns: calc(58.333% + 5rem) 1fr; }
.feature--flip .feature__text { grid-column: 2; grid-row: 1; padding: 3rem 3rem 3rem 2.5rem; }
.feature--flip .feature__shot { grid-column: 1; grid-row: 1; }
.feature--flip .stage { left: 0; right: 0; }
.feature--flip .stage .window { left: 2rem; width: calc(100% - 2rem); }

/* setup */

.requirements { display: flex; flex-wrap: wrap; margin-bottom: 1.5rem; }
.rows { border-top: 1px solid var(--line); }
.row { padding-block: 1.75rem; border-bottom: 1px solid var(--line); }
.row__top { display: flex; align-items: baseline; gap: 1rem; }
.row__title { font-size: 1.125rem; }
.row__meta { margin-left: auto; }
.row__note { margin-top: .4rem; color: var(--dim); }
.row__note a { color: var(--accent); }
.row__note a:hover { text-decoration: underline; text-underline-offset: 3px; }
.term + .row__note { margin-top: 1rem; }

.term {
  margin-top: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}
.term__head {
  display: flex;
  align-items: center;
  gap: .6rem;
  height: 2.75rem;
  padding: 0 .5rem 0 1rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--faint);
  font-size: .875rem;
}
.term__glyph { font-family: var(--mono); font-size: .8rem; letter-spacing: -.05em; }
.term__label { flex: 1; }
.copy {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  color: var(--faint);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.copy:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.copy__check { display: none; }
.copy--done .copy__icon { display: none; }
.copy--done .copy__check { display: block; color: var(--accent); }
.term__body {
  margin: 0;
  padding: 1rem 1.25rem;
  background: var(--term);
  font-family: var(--mono);
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--text);
  overflow-x: auto;
}
.term__body code { background: none; padding: 0; font-size: inherit; white-space: pre; }

/* day to day */

.loop {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.5rem;
  border-top: 1px solid var(--line);
}
.loop dt, .loop dd {
  padding-block: .85rem;
  border-bottom: 1px solid var(--line);
}
.loop dt { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 2px; padding-top: .95rem; }
.loop dd { margin: 0; color: var(--dim); }
.loop > div { display: contents; }
.loop > div[hidden] { display: none; }
.loop__toggle { margin-top: 1.25rem; }
kbd, .key {
  display: inline-block;
  padding: 0 .45em;
  min-width: 1.6em;
  text-align: center;
  font-family: var(--mono);
  font-size: .75rem;
  line-height: 1.5rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  vertical-align: 1px;
  white-space: nowrap;
}
.key--warm { color: var(--warm); border-color: rgba(255, 138, 106, .4); }

/* footer */

.footer { margin-top: 7rem; border-top: 1px solid var(--line); padding-block: 1.75rem; font-size: .8125rem; color: var(--faint); }
/* One row on wide screens: name and licence left, the links and the credit right. */
.footer__inner { display: flex; align-items: center; gap: .75rem 1.5rem; }
.footer__meta { margin-right: auto; }
.footer__links { display: flex; gap: 1.5rem; white-space: nowrap; }
.footer__credit { white-space: nowrap; }
.footer a { transition: color var(--dur) var(--ease); }
.footer a:hover { color: var(--accent); }

/* reveal */

.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal[data-shown="true"] { opacity: 1; transform: none; }

/* responsive */

@media (max-width: 60rem) {
  .feature, .feature--flip { grid-template-columns: 1fr; min-height: 0; }
  .feature__shot, .feature--flip .feature__shot { grid-column: 1; grid-row: 1; min-height: 18rem; }
  .feature__text, .feature--flip .feature__text { grid-column: 1; grid-row: 2; padding: .5rem 1.75rem 2.25rem; max-width: none; }
  .stage, .feature--flip .stage { left: 1.75rem; right: -2.5rem; top: 1.5rem; bottom: 0; }
  .stage .window, .feature--flip .stage .window { left: 1.5rem; top: 1.5rem; width: calc(100% - 1.5rem); }
}

@media (max-width: 45rem) {
  .nav__links { display: none; }
  .nav__inner { grid-template-columns: 1fr auto; }
  .nav__mark .tag { display: none; }
  .hero { padding-top: 3.5rem; }
  .panel { aspect-ratio: auto; padding: 1rem 1rem 0; }
  .panel--video { padding: .75rem; }
  .panel .window { position: static; width: 100%; border-bottom: 0; border-radius: 10px 10px 0 0; }
  .callouts__lines, .callout { display: none; }
  .section { padding-block: 4.5rem 0; }
  .section__more { display: none; }
  .feature__shot, .feature--flip .feature__shot { min-height: 15rem; }
  .loop { grid-template-columns: 1fr; }
  .loop dt { border-bottom: 0; padding-bottom: 0; }
  .loop dd { padding-top: .4rem; }
  .footer { margin-top: 5rem; }
  /* Narrow: name and the social links share one line, the credit sits centred beneath. */
  .footer__inner { flex-wrap: wrap; justify-content: space-between; }
  .footer__meta { margin-right: 0; }
  .footer__credit { flex-basis: 100%; text-align: center; margin-top: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, ::before, ::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .callout-line { stroke-dashoffset: 0; }
}