:root {
  --bg: #0b0c0d;
  --ink: #ecedee;
  --muted: #8b8f94;
  --dim: #8b8f94;
  --faint: #4a4e53;
  --read: #8ab4f8;
  --glass: rgba(16, 17, 19, 0.4);
  --edge: rgba(255, 255, 255, 0.12);
  --serif: "Iowan Old Style", Charter, "Source Serif Pro", ui-serif, Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --hairline: 1px;
}

@media (min-resolution: 2dppx) {
  :root { --hairline: 0.5px; }
}

* { box-sizing: border-box; }

html { background: var(--bg); color-scheme: dark; }

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis: none;
  overflow-x: hidden;
}

@property --reach {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 0%;
}

.light {
  --reach: 0%;
  position: fixed;
  inset: 0 0 auto 0;
  height: 120svh;
  background: url(light.webp) 70% 0 / cover no-repeat;
  mask-image:
    radial-gradient(circle at 68% -10%, #000 calc(var(--reach) - 30%), transparent var(--reach)),
    linear-gradient(to bottom, #000 45%, rgb(0 0 0 / 0.74) 60%, rgb(0 0 0 / 0.42) 73%, rgb(0 0 0 / 0.16) 86%, transparent);
  mask-composite: intersect;
  opacity: 0;
  transition: --reach 2400ms cubic-bezier(0.3, 0.6, 0.35, 1), opacity 1200ms var(--ease);
  pointer-events: none;
}

.lit { --muted: #d2d5d8; }
main::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0.09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0;
  transition: opacity 1200ms var(--ease);
  pointer-events: none;
}

.lit main::before { opacity: 1; }

.lit .light { --reach: 180%; opacity: 0.8; }

::selection { background: rgba(138, 180, 248, 0.35); color: #fff; }

main {
  position: relative;
  flex: 1;
  display: flex;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  flex: 1;
  min-width: 0;
  padding-bottom: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 64px;
}

h1 {
  margin: 0;
  font: 400 clamp(24px, 6.8vw, 60px)/1.1 var(--serif);
  text-wrap: balance;
  letter-spacing: -0.015em;
}

.blank {
  all: unset;
  position: relative;
  cursor: pointer;
  font-style: italic;
}

.blank span {
  opacity: 0;
  filter: blur(8px);
  transition: opacity 700ms var(--ease) 400ms, filter 700ms var(--ease) 400ms;
}


.blank:focus-visible { outline: 2px solid var(--read); outline-offset: 6px; border-radius: 6px; }

.lit .blank { cursor: default; }
.lit .blank span { opacity: 1; filter: none; }

.pill .caret,
.pill code,
.sub {
  opacity: 0;
  filter: blur(4px);
}

.lit .pill .caret,
.lit .pill code,
.lit .sub { animation: clear 600ms var(--ease) 850ms both; }

@keyframes clear {
  to { opacity: 1; filter: none; }
}

.pill {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(100%, 640px);
  margin-top: clamp(40px, 7vh, 64px);
  padding: 10px 10px 10px 18px;
  border-radius: 16px;
  background: var(--glass);
  box-shadow:
    0 0 0 1px var(--edge),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 12px 40px -8px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.caret { color: var(--muted); font: 14px var(--mono); }

.pill code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 14px var(--mono);
  color: var(--ink);
}

.pill .url { color: #a4a8ad; }

.copy {
  all: unset;
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  position: relative;
  border-radius: 6px;
  cursor: pointer;
  color: var(--muted);
  transition: background 150ms ease, color 150ms ease, transform 120ms ease;
}

.copy::before { content: ""; position: absolute; inset: -5px; }

@media (hover: hover) {
  .copy:hover { background: rgba(255, 255, 255, 0.08); color: var(--ink); }
}
.copy:active { transform: scale(0.94); }
.copy:focus-visible { outline: 2px solid var(--read); outline-offset: 2px; }

.copy svg {
  grid-area: 1 / 1;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity 150ms ease, transform 200ms var(--ease);
}

.icon-done { opacity: 0; transform: scale(0.6); color: var(--read); }
.copy.done .icon-copy { opacity: 0; transform: scale(0.6); }
.copy.done .icon-done { opacity: 1; transform: none; }

.sub a { color: var(--ink); text-decoration: underline; text-decoration-thickness: from-font; text-underline-offset: 3px; }
.sub a:hover { color: #fff; }

.sub { margin: 16px 0 0; color: var(--muted); font-size: 14px; transition: color 1400ms var(--ease); }


.points {
  display: flex;
  justify-content: center;
  margin: clamp(72px, 14vh, 128px) 0 0;
  padding: 0;
  list-style: none;
}

.points li {
  --i: 0;
  position: relative;
  padding: 0 32px;
  opacity: 0;
  filter: blur(6px);
  transform: translateY(12px);
}

.points li + li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: var(--hairline);
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.18), transparent);
}

.points strong { display: block; font: 400 18px/1.3 var(--serif); color: var(--ink); }
.points span { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); white-space: nowrap; }

.lit .points li { animation: surface 700ms var(--ease) calc(1200ms + var(--i) * 120ms) both; }
.points li:nth-child(2) { --i: 1; }
.points li:nth-child(3) { --i: 2; }
.points li:nth-child(4) { --i: 3; }

@keyframes surface {
  to { opacity: 1; filter: none; transform: none; }
}

@media (max-width: 760px) {
  .pill { margin-top: 32px; }
  .points { display: grid; grid-template-columns: 1fr 1fr; row-gap: 32px; margin-top: 64px; }
  .points li { padding: 0 8px; }
  .points span { white-space: normal; text-wrap: balance; }
  .points li + li::before { display: none; }
}

@media (max-width: 520px) {
  .points { grid-template-columns: 1fr; row-gap: 24px; margin-top: 56px; }
}

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

footer { position: relative; text-align: center; padding: 0 24px 32px; font-size: 13px; color: var(--dim); }
footer a { color: var(--dim); text-decoration: none; }
footer a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; transition-delay: 0ms !important; animation: none !important; }
  .blank span, .pill .caret, .pill code, .sub, .points li { filter: none; transform: none; }
  .lit .blank span, .lit .pill .caret, .lit .pill code, .lit .sub, .lit .points li { opacity: 1; }
}