:root {
  --paper: #fff7ed;
  --ink: #221f1a;
  --muted: #746b5e;
  --line: rgb(34 31 26 / 12%);
  --blue: #2e6cf6;
  --blue-soft: rgb(46 108 246 / 12%);
  --orange: #ea8a35;
  --orange-soft: rgb(234 138 53 / 15%);
  --green: #0d9b72;
  --green-dark: #0c3f33;
  --green-soft: rgb(13 155 114 / 12%);
  --pink: #e85d87;
  --shadow: 0 30px 90px rgb(75 50 24 / 16%);
  color-scheme: light;
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 10%, rgb(46 108 246 / 14%), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgb(13 155 114 / 18%), transparent 30rem),
    linear-gradient(135deg, #fff1df 0%, var(--paper) 52%, #eee7dc 100%);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

.page {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 38px 0;
}

.page > *,
.demo-shell,
.stage,
.compare-card,
.mock-card,
.code-panel,
.takeaway {
  min-width: 0;
  max-width: 100%;
}

h1,
h2,
p,
pre {
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.eyebrow::before {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 2px 2px 0 var(--orange);
  content: "";
}

h1 {
  font-size: clamp(31px, 4.2vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.065em;
  overflow-wrap: anywhere;
}

.lead {
  margin-top: 16px;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 800;
  line-height: 1.75;
  overflow-wrap: anywhere;
  word-break: auto-phrase;
}

.demo-shell {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgb(255 247 237 / 78%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.demo-head span,
.card-label span,
.code-panel > span,
.mock-kicker {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-head strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

.width-control {
  display: grid;
  grid-template-columns: auto minmax(120px, 180px) auto;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 76%);
}

.demo-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
  gap: 10px;
}

.width-control span,
.width-control output {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.width-control input {
  accent-color: var(--blue);
}

.language-toggle {
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 76%);
}

.language-toggle button {
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.language-toggle button[aria-pressed="true"] {
  color: #fff;
  background: var(--blue);
}

.stage {
  --card-width: 390px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 24px;
  background:
    linear-gradient(rgb(34 31 26 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(34 31 26 / 5%) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
}

.compare-card {
  display: grid;
  justify-items: center;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgb(255 255 255 / 78%);
}

.compare-card.before {
  background:
    linear-gradient(135deg, var(--orange-soft), transparent 50%),
    rgb(255 255 255 / 82%);
}

.compare-card.after {
  background:
    linear-gradient(135deg, var(--blue-soft), transparent 50%),
    rgb(255 255 255 / 84%);
}

.card-label {
  justify-self: stretch;
}

.card-label strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.06em;
}

.mock-card {
  position: relative;
  display: grid;
  gap: 16px;
  width: min(var(--card-width), 100%);
  min-height: 330px;
  padding: 24px;
  border: 1px solid rgb(34 31 26 / 10%);
  border-radius: 26px;
  background: #fffef9;
  box-shadow: 0 20px 50px rgb(75 50 24 / 12%);
  transition:
    width 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.before .mock-card {
  border-color: color-mix(in oklch, var(--orange) 42%, white);
}

.after .mock-card {
  border-color: color-mix(in oklch, var(--blue) 42%, white);
  box-shadow: 0 24px 60px rgb(46 108 246 / 14%);
}

.mock-kicker {
  color: var(--green);
}

.mock-card h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.075em;
}

.mock-card p {
  color: var(--muted);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.65;
}

.mock-card a {
  align-self: end;
  justify-self: start;
  padding: 13px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.mock-card--pretty h2 {
  text-wrap: balance;
}

.mock-card--pretty p {
  text-wrap: pretty;
}

.before .mock-card::after,
.after .mock-card::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.before .mock-card::after {
  color: var(--orange);
  background: var(--orange-soft);
  content: "wrap";
}

.after .mock-card::after {
  color: var(--blue);
  background: var(--blue-soft);
  content: "balance + pretty";
}

.code-panel {
  grid-column: 1 / -1;
  padding: 18px;
  border-radius: 24px;
  color: #fff;
  background: #0c3f33;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 10%);
}

.explain-panel {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 82%), rgb(255 255 255 / 64%)),
    var(--paper);
}

.explain-panel > span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.explain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.explain-grid article {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgb(255 255 255 / 72%);
}

.explain-grid strong {
  display: block;
  color: var(--blue);
  font-size: 16px;
  line-height: 1.2;
}

.explain-grid p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.65;
}

.code-panel > span {
  color: color-mix(in oklch, var(--green) 45%, white);
}

pre {
  margin-top: 12px;
  overflow-x: auto;
  white-space: pre;
  scrollbar-width: thin;
}

code {
  display: block;
  min-width: max-content;
  font: 800 14px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.takeaway {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgb(255 255 255 / 74%);
}

.takeaway span {
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: 999px;
  color: #fff;
  background: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.takeaway p {
  color: var(--muted);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.6;
}

@media (max-width: 920px) {
  .page {
    width: min(100% - 28px, 760px);
    padding: 28px 0;
  }

  .demo-head,
  .takeaway {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .width-control {
    grid-template-columns: 1fr;
    border-radius: 22px;
  }

  .language-toggle {
    align-self: start;
  }

  .stage {
    grid-template-columns: minmax(0, 1fr);
    padding: 16px;
  }

  .explain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page {
    width: calc(100vw - 20px);
    max-width: none;
    overflow: hidden;
  }

  h1 {
    font-size: clamp(28px, 8.8vw, 36px);
  }

  .demo-shell {
    border-radius: 24px;
  }

  .demo-head {
    padding: 18px;
  }

  .stage {
    gap: 16px;
    padding: 12px;
  }

  .compare-card,
  .mock-card,
  .explain-panel,
  .code-panel {
    border-radius: 20px;
  }

  .mock-card {
    --card-width: 100%;
    min-height: 300px;
    padding: 20px;
  }

  .mock-card h2 {
    font-size: 31px;
  }

  .explain-grid {
    grid-template-columns: 1fr;
  }

  pre,
  code {
    white-space: pre-wrap;
  }

  code {
    min-width: 0;
    font-size: 12px;
    overflow-wrap: anywhere;
  }
}