/* Colours, type and shapes come from the Holdout app (APP_SPEC section 14). */

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

:root {
  color-scheme: light dark;
  --bg: #f4f2ee;
  --card: #ffffff;
  --sunk: #ece9e3;
  --ink: #121212;
  --muted: #5e5b55;
  --faint: #837f78;
  --line: #e0dcd4;
  --btn: #121212;
  --btn-text: #ffffff;
  --success: #0e7350;
  --on-success: #ffffff;
  --tint: #ddf0e7;
  --nav: #121212;
  --nav-on: #ffffff;
  --nav-on-text: #121212;
  --nav-off: #cfcbc4;
  --track: #d9d4cc;
  --chip: rgba(255, 255, 255, 0.94);
  --frame-edge: #2c2a27;
  --shadow: rgba(40, 32, 20, 0.28);
  --orange: #ff5a1f;
  --on-orange: #121212;
  --yellow: #ffd23f;
  --night: #161513;
  --night-ink: #edebe6;
  --night-line: #34312c;
  --night-success: #3dd68c;
  --camera: #47423d;
  --camera-floor: #58514b;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --card: #211f1c;
    --sunk: #34312c;
    --ink: #edebe6;
    --muted: #a8a39b;
    --faint: #837e77;
    --line: #2e2b27;
    --btn: #edebe6;
    --btn-text: #161513;
    --success: #3dd68c;
    --on-success: #0f1f17;
    --tint: #1c3a2d;
    --nav: #2a2724;
    --nav-on: #edebe6;
    --nav-on-text: #161513;
    --nav-off: #a8a39b;
    --track: #34312c;
    --chip: rgba(33, 31, 28, 0.94);
    --frame-edge: #45413c;
    --shadow: rgba(0, 0, 0, 0.6);
    --night: #211f1c;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 32px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  overflow-wrap: break-word;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 800;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  touch-action: manipulation;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
  border-radius: 6px;
}

svg {
  display: block;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 30;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--btn);
  color: var(--btn-text);
}

.skip:focus {
  top: 16px;
}

/* Header */

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding-block: 24px;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 44px;
  text-decoration: none;
}

.logo i,
.dot {
  color: var(--orange);
  font-style: normal;
}

.tag {
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--card);
  font-size: 0.9375rem;
  font-weight: 600;
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: 0 34px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--on-orange);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 160ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px rgba(255, 90, 31, 0.8);
}

.button:active {
  transform: scale(0.98);
}

.button-ink {
  background: #121212;
  color: #ffffff;
}

.button-ink:hover {
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.6);
}

/* Hero */

.hero-grid {
  --phone: min(286px, 76vw);
  display: grid;
  gap: 48px;
  padding-block: clamp(16px, 3vw, 40px) 56px;
}

.hero-phone {
  justify-self: center;
}

.hero h1 span:not(.dot) {
  display: block;
}

.hero h1 {
  font-size: clamp(2.75rem, 8.2vw, 6.75rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.hero-copy {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 28px;
}

.lead {
  max-width: 33em;
  color: var(--muted);
  font-size: clamp(1.125rem, 1.6vw, 1.3125rem);
  line-height: 1.5;
}

.action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.note {
  color: var(--muted);
  font-size: 0.9375rem;
}

.hero-chain {
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* The 21-day chain */

.chain {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
}

.chain i {
  display: block;
  aspect-ratio: 1.15;
  border-radius: clamp(8px, 1.2vw, 16px);
  background: var(--sunk);
  transition: background-color 220ms ease, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.chain .on {
  background: var(--ink);
}

.chain .now {
  background: var(--orange);
  transform: scale(1.04);
}

.chain-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 24px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  visibility: hidden;
}

.js .chain-caption {
  visibility: visible;
}

.chain-caption b {
  color: var(--ink);
  font-weight: 800;
}

/* Scroll progress: the page is the challenge */

.progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.progress.show {
  opacity: 1;
  transform: none;
}

.progress-bar {
  display: grid;
  grid-template-columns: repeat(21, 1fr);
  gap: 3px;
  padding: 5px;
}

.progress-bar i {
  height: 6px;
  border-radius: 3px;
  background: var(--track);
  box-shadow: 0 0 0 1px var(--bg);
  transition: background-color 180ms ease;
}

.progress-bar .on {
  background: var(--ink);
}

.progress-bar .now {
  background: var(--orange);
}

.progress-day {
  display: none;
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--ink);
  box-shadow: 0 8px 24px -10px var(--shadow);
  font-size: 0.875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Phone */

.phone {
  position: relative;
  flex: none;
  width: var(--phone, 290px);
  aspect-ratio: 390 / 844;
  padding: calc(var(--phone, 290px) * 0.03);
  border-radius: calc(var(--phone, 290px) * 0.16);
  background: #0e0d0c;
  box-shadow:
    0 0 0 1.5px var(--frame-edge),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14),
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 30px 60px -16px var(--shadow),
    0 60px 120px -40px var(--shadow);
}

.phone::before,
.phone::after {
  content: "";
  position: absolute;
  width: 2.5px;
  border-radius: 2px;
  background: var(--frame-edge);
}

.phone::before {
  left: -3px;
  top: 19%;
  height: 11%;
}

.phone::after {
  right: -3px;
  top: 24%;
  height: 15%;
}

.screen {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: calc(var(--phone, 290px) * 0.13);
  container-type: inline-size;
}

.scr {
  --u: calc(100cqw / 390);
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: calc(66 * var(--u)) calc(20 * var(--u)) calc(16 * var(--u));
  background: var(--bg);
  color: var(--ink);
  font-size: calc(15 * var(--u));
  line-height: 1.33;
  letter-spacing: -0.005em;
}

.scr::before {
  content: "";
  position: absolute;
  z-index: 5;
  left: 50%;
  top: calc(12 * var(--u));
  width: calc(112 * var(--u));
  height: calc(32 * var(--u));
  border-radius: calc(16 * var(--u));
  background: #000;
  transform: translateX(-50%);
}

.scr p {
  text-wrap: initial;
}

.s-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.s-logo {
  color: var(--ink);
  font-size: calc(20 * var(--u));
  font-weight: 800;
  letter-spacing: -0.04em;
}

.s-logo i {
  color: var(--orange);
  font-style: normal;
}

.s-hello {
  margin-top: calc(30 * var(--u));
  color: var(--muted);
}

.s-title {
  margin-bottom: calc(18 * var(--u));
  font-size: calc(38 * var(--u));
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.s-card {
  margin-bottom: calc(12 * var(--u));
  padding: calc(18 * var(--u));
  border-radius: calc(20 * var(--u));
  background: var(--card);
}

.s-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: calc(8 * var(--u));
}

.s-strong {
  font-weight: 700;
}

.s-muted {
  color: var(--muted);
}

.s-chain {
  display: grid;
  grid-template-columns: repeat(21, 1fr);
  gap: calc(3 * var(--u));
  margin-top: calc(10 * var(--u));
}

.s-chain i {
  height: calc(28 * var(--u));
  border-radius: calc(6 * var(--u));
  background: var(--sunk);
}

.s-chain .on {
  background: var(--ink);
}

.s-chain .ok {
  background: var(--success);
}

.s-done {
  display: flex;
  align-items: center;
  gap: calc(16 * var(--u));
  margin-bottom: calc(14 * var(--u));
}

.s-check {
  display: grid;
  flex: none;
  place-items: center;
  width: calc(68 * var(--u));
  height: calc(68 * var(--u));
  border-radius: 50%;
  background: var(--success);
  color: var(--on-success);
}

.s-check svg {
  width: 44%;
  height: 44%;
}

.s-big {
  font-size: calc(25 * var(--u));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.s-ok {
  color: var(--success);
  font-weight: 700;
}

.s-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(8 * var(--u));
  height: calc(58 * var(--u));
  border-radius: 999px;
  background: var(--sunk);
  font-weight: 700;
}

.s-pill svg {
  width: calc(18 * var(--u));
  height: calc(18 * var(--u));
}

.s-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: auto;
  padding: calc(6 * var(--u));
  border-radius: 999px;
  background: var(--nav);
  color: var(--nav-off);
  font-size: calc(12 * var(--u));
  font-weight: 600;
  text-align: center;
}

.s-tabs span {
  display: grid;
  justify-items: center;
  gap: calc(2 * var(--u));
  padding-block: calc(7 * var(--u));
  border-radius: 999px;
}

.s-tabs svg {
  width: calc(22 * var(--u));
  height: calc(22 * var(--u));
}

.s-tabs .on {
  background: var(--nav-on);
  color: var(--nav-on-text);
}

.s-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(10 * var(--u));
}

.s-stats .s-card {
  padding: calc(12 * var(--u)) calc(14 * var(--u));
}

.s-stat {
  font-size: calc(25 * var(--u));
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

/* Join screen */

.s-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(12 * var(--u));
}

.s-tile-num {
  font-size: calc(36 * var(--u));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.s-ask {
  margin-block: calc(8 * var(--u)) calc(10 * var(--u));
  font-weight: 700;
}

.s-choices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(6 * var(--u));
  margin-bottom: calc(14 * var(--u));
}

.s-choices span {
  display: grid;
  place-items: center;
  height: calc(58 * var(--u));
  border-radius: 999px;
  background: var(--card);
  font-weight: 700;
}

.s-choices .on {
  background: var(--btn);
  color: var(--btn-text);
}

.s-outcome {
  display: flex;
  align-items: center;
  gap: calc(10 * var(--u));
}

.s-outcome + .s-outcome {
  margin-top: calc(14 * var(--u));
  padding-top: calc(14 * var(--u));
  border-top: 1px solid var(--line);
}

.s-mark {
  display: grid;
  flex: none;
  place-items: center;
  width: calc(28 * var(--u));
  height: calc(28 * var(--u));
  border-radius: 50%;
  background: var(--tint);
  color: var(--success);
}

.s-mark.off {
  background: var(--sunk);
  color: var(--muted);
}

.s-mark svg {
  width: 56%;
  height: 56%;
}

.s-outcome b {
  margin-left: auto;
  font-weight: 700;
  text-align: right;
}

.s-cta {
  display: grid;
  place-items: center;
  height: calc(60 * var(--u));
  margin-top: auto;
  border-radius: 999px;
  background: var(--orange);
  color: var(--on-orange);
  font-size: calc(17 * var(--u));
  font-weight: 800;
}

.s-rule {
  margin-top: calc(2 * var(--u));
  color: var(--muted);
}

.s-foot {
  margin-top: calc(10 * var(--u));
  color: var(--muted);
  font-size: calc(12 * var(--u));
  text-align: center;
}

.s-badge {
  padding: calc(5 * var(--u)) calc(12 * var(--u));
  border-radius: 999px;
  background: var(--btn);
  color: var(--btn-text);
  font-size: calc(13 * var(--u));
  font-weight: 700;
}

/* Workout screen */

.scr-work {
  padding: 0;
  background: var(--camera);
}

.s-floor {
  position: absolute;
  inset: 34% 0 0;
  background: var(--camera-floor);
}

.s-body {
  position: absolute;
  left: 0;
  top: 33%;
  width: 100%;
  overflow: visible;
}

.s-frame {
  position: absolute;
  left: 50%;
  top: calc(60 * var(--u));
  display: flex;
  align-items: center;
  gap: calc(8 * var(--u));
  height: calc(40 * var(--u));
  padding-inline: calc(16 * var(--u));
  border-radius: 999px;
  background: var(--chip);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
  transform: translateX(-50%);
}

.s-frame svg {
  width: calc(18 * var(--u));
  height: calc(18 * var(--u));
  color: var(--success);
}

.s-cue {
  position: absolute;
  left: 50%;
  top: calc(124 * var(--u));
  display: flex;
  align-items: center;
  gap: calc(8 * var(--u));
  height: calc(52 * var(--u));
  padding-inline: calc(24 * var(--u));
  border-radius: 999px;
  background: var(--night-success);
  color: #0f1f17;
  font-size: calc(22 * var(--u));
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, calc(6 * var(--u)));
  transition: opacity 120ms ease, transform 120ms ease;
}

.s-cue.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.s-panel {
  position: absolute;
  inset: auto 0 0;
  padding: calc(20 * var(--u)) calc(20 * var(--u)) calc(26 * var(--u));
  border-radius: calc(26 * var(--u)) calc(26 * var(--u)) 0 0;
  background: var(--bg);
  color: var(--ink);
}

.s-count-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.s-count {
  font-size: calc(112 * var(--u));
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.05em;
  line-height: 0.92;
}

.s-togo {
  padding-bottom: calc(10 * var(--u));
  text-align: right;
}

.s-bar {
  height: calc(12 * var(--u));
  margin-block: calc(16 * var(--u));
  border-radius: 999px;
  background: var(--track);
  overflow: hidden;
}

.s-bar i {
  display: block;
  width: 92.5%;
  height: 100%;
  border-radius: 999px;
  background: var(--ink);
  transition: width 260ms ease;
}

.s-btns {
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: calc(12 * var(--u));
  font-weight: 700;
}

.s-btns span {
  display: grid;
  place-items: center;
  height: calc(60 * var(--u));
  border: calc(2 * var(--u)) solid var(--ink);
  border-radius: 999px;
}

.s-btns .fill {
  border-color: var(--btn);
  background: var(--btn);
  color: var(--btn-text);
}

/* Result screen */

.scr-result {
  background: var(--orange);
  color: #121212;
}

.s-over {
  margin-top: calc(14 * var(--u));
  font-size: calc(12 * var(--u));
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.s-giant {
  margin-top: calc(54 * var(--u));
  font-size: calc(106 * var(--u));
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.s-finished {
  margin-block: calc(8 * var(--u));
  font-size: calc(40 * var(--u));
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.s-summary {
  font-size: calc(17 * var(--u));
  font-weight: 600;
  line-height: 1.35;
}

.scr-result .s-chain {
  margin-block: calc(18 * var(--u)) auto;
}

.scr-result .s-chain i {
  background: #121212;
}

.s-receipt {
  margin-bottom: calc(10 * var(--u));
  padding: calc(4 * var(--u)) calc(16 * var(--u));
  border-radius: calc(20 * var(--u));
  background: #ffffff;
  color: #121212;
}

.s-receipt > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-block: calc(11 * var(--u));
}

.s-receipt > div + div {
  border-top: 1px solid #ece9e3;
}

.s-receipt span {
  color: #5e5b55;
}

.s-receipt b {
  font-weight: 700;
}

.s-receipt .plus {
  color: #0e7350;
}

.s-receipt .total span {
  color: #121212;
  font-weight: 700;
}

.s-receipt .total b {
  font-size: calc(30 * var(--u));
  font-weight: 800;
  letter-spacing: -0.04em;
}

.s-arrive {
  margin-bottom: calc(12 * var(--u));
  font-size: calc(13 * var(--u));
  font-weight: 600;
  text-align: center;
}

.s-result-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(10 * var(--u));
  font-weight: 700;
}

.s-result-btns span {
  display: grid;
  place-items: center;
  height: calc(52 * var(--u));
  border: calc(2 * var(--u)) solid #121212;
  border-radius: 999px;
}

.s-result-btns .fill {
  background: #121212;
  color: #ffffff;
}

/* Skeleton: same style as the app's body points */

.bones-flesh {
  fill: none;
  stroke: #8a8178;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bones-head {
  fill: #8a8178;
}

.bones-line {
  fill: none;
  stroke: #ffffff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bones-joint {
  fill: var(--yellow);
  transition: fill 120ms ease;
}

.counted .bones-joint {
  fill: var(--night-success);
}

/* Sections */

.section {
  padding-block: clamp(72px, 10vw, 136px);
}

.section-title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.section-lead {
  max-width: 34em;
  margin-top: 18px;
  color: var(--muted);
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
}

/* How it works: three stacking panels */

.how {
  padding-top: 0;
}

.how-title {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  --phone: min(270px, 74vw);
  display: grid;
  justify-items: center;
  gap: 40px;
  padding: clamp(28px, 5vw, 64px);
  overflow: hidden;
  border-radius: clamp(28px, 4vw, 44px);
  background: var(--card);
}

.step-text {
  justify-self: start;
  align-self: center;
  max-width: 30em;
}

.step-label {
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step h3 {
  margin-block: 12px 16px;
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.step-text p {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.5;
}

.step-1 .step-text p,
.step-1 .step-label {
  color: var(--muted);
}

.step-2 {
  background: var(--camera);
  color: #f4f2ee;
}

.step-3 {
  background: var(--orange);
  color: #121212;
}

.screens-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Miss a day */

.miss h2 {
  max-width: 13em;
  font-size: clamp(2.5rem, 7.2vw, 6rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.miss p {
  max-width: 32em;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
}

.miss-chain {
  margin-top: clamp(32px, 5vw, 56px);
}

.miss-chain .gone {
  background: transparent;
  box-shadow: inset 0 0 0 2px var(--faint);
}

.miss-chain .after {
  opacity: 0.55;
}

/* Example pool */

.pool {
  background: var(--card);
}

.pool-grid {
  display: grid;
  gap: 48px;
  margin-top: clamp(36px, 5vw, 64px);
}

.pool-people {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: clamp(5px, 0.8vw, 10px);
  margin-bottom: 14px;
}

.pool-people i {
  aspect-ratio: 1;
  border-radius: 28%;
  background: var(--sunk);
  transition: background-color 160ms ease;
}

.pool-people .in {
  background: var(--ink);
}

.pool-key {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.controls {
  display: none;
  gap: 26px;
  margin-top: 32px;
}

.js .controls {
  display: grid;
}

.control-label {
  display: block;
  margin: 0 0 10px;
  padding: 0;
  font-weight: 700;
}

.entries {
  margin: 0;
  padding: 0;
  border: 0;
}

.entry-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.entry-options label {
  position: relative;
  cursor: pointer;
}

.entry-options input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.entry-options span {
  display: grid;
  place-items: center;
  min-width: 84px;
  min-height: 48px;
  padding-inline: 18px;
  border-radius: 999px;
  background: var(--sunk);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: background-color 140ms ease, color 140ms ease;
}

.entry-options input:checked + span {
  background: var(--btn);
  color: var(--btn-text);
}

.entry-options input:focus-visible + span {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.slider {
  display: block;
  width: 100%;
  height: 44px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  touch-action: pan-y;
}

.slider::-webkit-slider-runnable-track {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--ink) var(--fill, 33%), var(--track) var(--fill, 33%));
}

.slider::-moz-range-track {
  height: 12px;
  border-radius: 999px;
  background: var(--track);
}

.slider::-moz-range-progress {
  height: 12px;
  border-radius: 999px;
  background: var(--ink);
}

.slider::-webkit-slider-thumb {
  width: 32px;
  height: 32px;
  margin-top: -10px;
  border: 4px solid var(--card);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  -webkit-appearance: none;
  appearance: none;
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border: 4px solid var(--card);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.ledger-card {
  padding: clamp(24px, 3vw, 36px);
  border-radius: clamp(24px, 3vw, 32px);
  background: var(--bg);
}

.ledger {
  margin: 0;
}

.ledger div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-block: 13px;
  border-bottom: 1px solid var(--line);
}

.ledger dt {
  color: var(--muted);
}

.ledger dd {
  flex: none;
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.result {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.result-label {
  color: var(--muted);
  font-weight: 500;
}

.result-amount {
  display: block;
  font-size: clamp(3rem, 7.5vw, 5.25rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.result-other {
  color: var(--muted);
  font-weight: 600;
}

.pool-message {
  min-height: 3.1em;
  margin-top: 18px;
  color: var(--success);
  font-weight: 600;
}

.fine-print {
  max-width: 48em;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Challenges */

.tiles {
  display: grid;
  gap: 16px;
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
}

.tile {
  overflow: hidden;
  border-radius: clamp(24px, 3vw, 32px);
  background: var(--card);
}

.tile-view {
  position: relative;
  background: linear-gradient(var(--camera) 42%, var(--camera-floor) 42%);
}

.tile-view svg {
  width: 100%;
  height: auto;
}

.tile-body {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px 24px;
}

.tile h3 {
  font-size: 1.375rem;
  letter-spacing: -0.03em;
}

.tile-amount {
  flex: none;
  font-size: 2.25rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.tile-amount small {
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0;
}

/* Fair by design */

.fair {
  background: var(--night);
  color: var(--night-ink);
}

.fair-grid {
  display: grid;
  gap: 40px;
}

.fair-promise {
  margin-top: 24px;
  color: var(--night-success);
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-wrap: balance;
}

.fair-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fair-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  padding-block: 18px;
  border-top: 1px solid var(--night-line);
  font-size: 1.125rem;
  line-height: 1.45;
}

.fair-list li:last-child {
  border-bottom: 1px solid var(--night-line);
}

.fair-list svg {
  width: 24px;
  height: 24px;
  color: var(--night-success);
}

/* FAQ */

.faq-grid {
  display: grid;
  gap: 32px;
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding-block: 20px;
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  cursor: pointer;
  list-style: none;
  touch-action: manipulation;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary svg {
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--muted);
  transition: transform 200ms ease;
}

.faq details[open] summary svg {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 38em;
  padding-bottom: 22px;
  color: var(--muted);
}

/* Finale */

.finale {
  background: var(--orange);
  color: #121212;
}

.finale .wrap {
  display: grid;
  justify-items: start;
  padding-block: clamp(72px, 10vw, 128px);
}

.finale-count {
  font-size: clamp(6rem, 27vw, 22rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.07em;
  line-height: 0.86;
}

.finale h2 {
  margin-top: 24px;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.finale-chain {
  display: grid;
  grid-template-columns: repeat(21, 1fr);
  gap: clamp(2px, 0.5vw, 6px);
  width: 100%;
  margin-block: clamp(24px, 4vw, 40px);
}

.finale-chain i {
  height: clamp(16px, 3.2vw, 40px);
  border-radius: clamp(3px, 0.7vw, 9px);
  background: #121212;
}

.finale-text {
  max-width: 30em;
  margin-bottom: 28px;
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 500;
}

.finale .note {
  margin-top: 16px;
  color: #121212;
  font-size: 0.9375rem;
}

/* Footer */

.site-footer {
  background: var(--bg);
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 32px;
  padding-block: 28px;
}

.site-footer nav {
  display: flex;
  gap: 8px 22px;
}

.site-footer nav a {
  display: inline-block;
  min-width: 44px;
  line-height: 44px;
}

.site-footer nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* Imprint and privacy */

.legal {
  max-width: 720px;
  padding-block: clamp(32px, 6vw, 72px) clamp(64px, 8vw, 104px);
}

.legal h1 {
  margin-bottom: 28px;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.legal h2 {
  margin-top: 40px;
  margin-bottom: 8px;
  font-size: 1.375rem;
  letter-spacing: -0.025em;
}

.legal p + p {
  margin-top: 12px;
}

.legal-meta {
  color: var(--muted);
}

.legal .back {
  margin-top: 40px;
}

/* Wider screens */

@media (min-width: 600px) {
  .tiles {
    grid-template-columns: repeat(3, 1fr);
  }

  .tile-body {
    display: grid;
    gap: 2px;
  }
}

@media (min-width: 720px) {
  .progress-day {
    display: block;
  }

  .chain {
    grid-template-columns: repeat(21, 1fr);
    gap: clamp(4px, 0.7vw, 10px);
  }

  .chain i {
    aspect-ratio: 0.72;
  }
}

@media (min-width: 900px) {
  .hero-grid {
    --phone: clamp(264px, 25vw, 330px);
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(32px, 5vw, 72px);
  }

  .step {
    --phone: min(280px, calc((100vh - 130px) * 0.462));
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 48px;
    padding: clamp(32px, 4vw, 48px) clamp(40px, 6vw, 88px);
  }

  .pool-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

  .fair-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

  .fair-side,
  .faq-side {
    position: sticky;
    top: 56px;
  }
}

/* Panels stack on top of each other while scrolling, if the window is tall enough. */
@media (min-width: 900px) and (min-height: 660px) {
  .step {
    position: sticky;
    top: 32px;
    box-shadow: 0 -18px 48px -24px var(--shadow);
  }
}

/* Motion */

@media (prefers-reduced-motion: no-preference) {
  .rise {
    animation: rise 700ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }

  .rise-2 {
    animation-delay: 90ms;
  }

  .rise-3 {
    animation-delay: 180ms;
  }

  .js .wave i {
    animation: wave 460ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
    animation-delay: calc(var(--i, 0) * 28ms + 200ms);
  }

  @supports (interpolate-size: allow-keywords) {
    :root {
      interpolate-size: allow-keywords;
    }

    details::details-content {
      block-size: 0;
      overflow: clip;
      transition: block-size 240ms ease, content-visibility 240ms allow-discrete;
    }

    details[open]::details-content {
      block-size: auto;
    }
  }

  @supports (animation-timeline: view()) {
    .in-view {
      animation: fade-up linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 42%;
    }
  }
}

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

@keyframes wave {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.92);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .button:hover,
  .button:active {
    transform: none;
  }
}

@media (forced-colors: active) {
  .button,
  .phone,
  .tag,
  .step,
  .tile,
  .ledger-card {
    border: 1px solid CanvasText;
  }

  .chain i,
  .progress-bar i,
  .pool-people i,
  .finale-chain i,
  .s-chain i {
    border: 1px solid CanvasText;
  }

  .chain .on,
  .chain .now,
  .pool-people .in,
  .finale-chain i,
  .s-chain .on,
  .s-chain .ok {
    background: CanvasText;
    forced-color-adjust: none;
  }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #fff;
    --card: #fff;
    --ink: #000;
    --muted: #333;
    --line: #bbb;
  }

  .progress,
  .skip,
  .button,
  .phone,
  .hero-chain,
  .tile-view,
  .controls {
    display: none !important;
  }

  .step,
  .finale,
  .fair {
    background: #fff;
    color: #000;
  }

  .fair-promise,
  .fair-list svg {
    color: #000;
  }

  .step {
    position: static;
    box-shadow: none;
  }

  .faq details::details-content {
    block-size: auto;
    content-visibility: visible;
  }
}