:root {
  --canvas: #0b0b0d;
  --card: #16161a;
  --raised: #202026;
  --hairline: rgba(255, 255, 255, 0.08);
  --text: #f2f2f7;
  --muted: rgba(255, 255, 255, 0.62);
  --faint: rgba(255, 255, 255, 0.36);
  --accent: #8b8cf8;
  --orange: #f5a04c;
  --purple: #c084fc;
  --coral: #f97066;
  --green: #57d29a;
  --empty: rgba(255, 255, 255, 0.06);

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
  --rounded: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --page: min(1120px, 100% - 40px);
  --radius-tile: 22%;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font: 400 1.0625rem/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: var(--page); margin-inline: auto; }

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 700 1.125rem/1 var(--rounded);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand svg { width: 30px; height: 30px; }

.site-header nav { display: flex; align-items: center; gap: 22px; }

.site-header nav a:not(.button) { color: var(--muted); text-decoration: none; font-size: 0.9375rem; }
.site-header nav a:not(.button):hover { color: var(--text); }

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font: 600 1rem/1 var(--sans);
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.button:hover { background: #9c9dfa; }
.button:active { transform: scale(0.97); }

.button.small { min-height: 36px; padding: 0 14px; border-radius: 11px; font-size: 0.9375rem; }
.button.large { min-height: 56px; padding: 0 28px; border-radius: 18px; font-size: 1.0625rem; }
.button.quiet { background: var(--raised); color: var(--text); }
.button.quiet:hover { background: #2a2a31; }

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding-block: clamp(32px, 7vw, 96px) clamp(56px, 8vw, 112px);
}

.hero h1 {
  margin: 0 0 24px;
  font: 800 clamp(2.25rem, 9.6vw, 4.5rem)/1 var(--rounded);
  letter-spacing: -0.035em;
}

.hero h1 span { display: block; }

@media (min-width: 861px) {
  .hero h1 { font-size: clamp(3rem, 5.2vw, 4.5rem); }
  .hero h1 span { white-space: nowrap; }
}

.hero .lede { max-width: 32em; margin: 0 0 32px; color: var(--muted); font-size: 1.1875rem; }

.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.cta-row .note { color: var(--faint); font-size: 0.9375rem; }

/* The week: the page's one interactive moment */

.week {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 28px;
  padding: clamp(18px, 3vw, 28px);
}

.week-head,
.week-row {
  display: grid;
  grid-template-columns: 6.5em repeat(7, minmax(0, 1fr));
  gap: clamp(5px, 1vw, 9px);
  align-items: center;
}

.week-head { margin-bottom: 10px; }

.week-head span {
  text-align: center;
  color: var(--faint);
  font: 600 0.8125rem/1 var(--rounded);
}

.week-row + .week-row { margin-top: clamp(5px, 1vw, 9px); }

.week-row .name {
  font: 600 0.9375rem/1.2 var(--sans);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile {
  aspect-ratio: 1;
  border-radius: var(--radius-tile);
  background: var(--empty);
}

button.tile {
  appearance: none;
  padding: 0;
  border: 2px solid color-mix(in srgb, var(--c) 70%, transparent);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

button.tile[aria-pressed="true"] { background: var(--c); border-color: var(--c); }
button.tile:hover { border-color: var(--c); }
button.tile.pop { animation: pop 0.42s cubic-bezier(0.3, 1.6, 0.5, 1); }

@keyframes pop {
  0% { transform: scale(1); }
  25% { transform: scale(0.84); }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.week-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.9375rem;
}

.week-foot strong { color: var(--text); font: 700 1.25rem/1 var(--rounded); font-variant-numeric: tabular-nums; }

/* Screens */

.screens { padding-block: clamp(48px, 7vw, 96px); border-top: 1px solid var(--hairline); }

.section-title {
  max-width: 18em;
  margin: 0 0 clamp(28px, 4vw, 48px);
  font: 800 clamp(1.875rem, 4vw, 2.75rem)/1.05 var(--rounded);
  letter-spacing: -0.025em;
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 40px);
}

.screen-row figure { margin: 0; }

.screen-row img {
  width: 100%;
  border-radius: clamp(22px, 3vw, 36px);
  border: 1px solid var(--hairline);
  background: var(--card);
}

.screen-row figcaption { margin-top: 18px; color: var(--muted); max-width: 26em; }
.screen-row figcaption b { display: block; color: var(--text); font-weight: 600; margin-bottom: 2px; }

/* Features */

.features {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 80px);
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--hairline);
}

.features ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 26px; }

.features li { display: grid; grid-template-columns: 22px 1fr; gap: 16px; align-items: start; }

.features li::before {
  content: "";
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 6px;
  background: var(--c);
}

.features h3 { margin: 0 0 4px; font: 600 1.125rem/1.3 var(--sans); }
.features p { margin: 0; color: var(--muted); }

/* Closing call to action */

.closing {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-block: clamp(16px, 4vw, 48px) clamp(48px, 7vw, 96px);
  padding: clamp(28px, 5vw, 48px);
  border-radius: 32px;
  background: var(--card);
  border: 1px solid var(--hairline);
}

.closing h2 { margin: 0 0 6px; font: 800 clamp(1.625rem, 3.4vw, 2.25rem)/1.1 var(--rounded); letter-spacing: -0.02em; }
.closing p { margin: 0; color: var(--muted); }

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 28px 40px;
  border-top: 1px solid var(--hairline);
  color: var(--faint);
  font-size: 0.9375rem;
}

.site-footer nav { display: flex; gap: 22px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }

/* Beta page */

.beta {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(32px, 6vw, 72px);
  padding-block: clamp(24px, 5vw, 72px) clamp(48px, 7vw, 96px);
}

.beta h1,
.doc h1 {
  margin: 0 0 16px;
  font: 800 clamp(2.25rem, 5.5vw, 3.75rem)/1 var(--rounded);
  letter-spacing: -0.03em;
}

.beta .lede { margin: 0 0 40px; color: var(--muted); font-size: 1.1875rem; max-width: 30em; }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 14px; }

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 22px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--hairline);
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--c);
  color: #0b0b0d;
  font: 800 1.25rem/1 var(--rounded);
}

.steps h2 { margin: 6px 0 4px; font: 600 1.1875rem/1.3 var(--sans); }
.steps p { margin: 0 0 14px; color: var(--muted); }
.steps p:last-child { margin-bottom: 0; }

.aside { display: grid; gap: 20px; align-content: start; }

.qr {
  padding: 26px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--hairline);
  text-align: center;
}

.qr img { width: min(220px, 100%); margin: 0 auto 16px; }
.qr p { margin: 0; color: var(--muted); }

.notes h2 { margin: 0 0 10px; font: 600 1.0625rem/1.3 var(--sans); }
.notes ul { margin: 0; padding-left: 1.1em; color: var(--muted); display: grid; gap: 8px; }

/* Privacy */

.doc { max-width: 42rem; padding-block: clamp(24px, 5vw, 72px) clamp(48px, 7vw, 96px); }
.doc .updated { margin: 0 0 40px; color: var(--faint); }
.doc h2 { margin: 40px 0 10px; font: 700 1.375rem/1.25 var(--rounded); letter-spacing: -0.01em; }
.doc p, .doc li { color: var(--muted); }
.doc strong { color: var(--text); font-weight: 600; }
.doc ul { padding-left: 1.1em; display: grid; gap: 8px; }

/* Small screens */

@media (max-width: 860px) {
  .hero, .features, .beta { grid-template-columns: 1fr; }
  .screen-row {
    grid-template-columns: repeat(3, 72%);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    margin-right: -20px;
    padding-right: 20px;
  }
  .screen-row figure { scroll-snap-align: start; }
  .site-header nav .hide-small { display: none; }
}

@media (max-width: 460px) {
  .steps li { grid-template-columns: 36px 1fr; gap: 14px; padding: 18px; }
  .steps li::before { width: 36px; height: 36px; border-radius: 11px; font-size: 1.0625rem; }
  .week-head, .week-row { grid-template-columns: 5.2em repeat(7, minmax(0, 1fr)); }
  .week-row .name { font-size: 0.8125rem; }
}

@media (hover: none) and (pointer: coarse) {
  .qr { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  button.tile.pop { animation: none; }
  .button, button.tile { transition: none; }
}