:root {
  --paper: #fffaf3;
  --ink: #1f211d;
  --muted: #716b61;
  --line: rgb(31 33 29 / 12%);
  --green: #0c9b72;
  --green-dark: #0b3c30;
  --green-soft: rgb(12 155 114 / 12%);
  --blue: #3978f2;
  --blue-soft: rgb(57 120 242 / 12%);
  --orange: #ec8b34;
  --orange-soft: rgb(236 139 52 / 16%);
  --pink: #e85d87;
  --shadow: 0 30px 90px rgb(76 55 25 / 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(57 120 242 / 15%), transparent 31rem),
    radial-gradient(circle at 86% 14%, rgb(12 155 114 / 18%), transparent 30rem),
    linear-gradient(135deg, #fbf1e7 0%, #fffaf3 50%, #eee8dc 100%);
  overflow-x: hidden;
}

button {
  font: inherit;
}

.page {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
  padding: 38px 0;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--green);
  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,
h2,
p,
pre {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.lead {
  margin-top: 18px;
  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: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgb(255 250 243 / 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 {
  color: var(--green);
  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;
}

.demo-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.demo-actions button,
.toggle-button {
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  transition:
    translate 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.demo-actions button {
  padding: 10px 13px;
}

.demo-actions button:last-child {
  color: var(--green-dark);
  background: var(--green-soft);
}

.toggle-button {
  justify-self: start;
  padding: 12px 16px;
  box-shadow: 0 14px 34px rgb(11 60 48 / 18%);
}

.demo-actions button:hover,
.toggle-button:hover {
  translate: 0 -2px;
}

.stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 24px;
  background:
    linear-gradient(rgb(31 33 29 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(31 33 29 / 5%) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
}

.compare-card {
  display: grid;
  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(--green-soft), transparent 50%),
    rgb(255 255 255 / 84%);
}

.card-label strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(22px, 2.6vw, 31px);
  line-height: 1.15;
  letter-spacing: -0.06em;
}

.browser-frame {
  --shift: 0px;
  position: relative;
  min-height: 300px;
  border: 1px solid rgb(31 33 29 / 10%);
  border-radius: 24px;
  background:
    linear-gradient(rgb(31 33 29 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(31 33 29 / 5%) 1px, transparent 1px),
    #fffdf8;
  background-size: 28px 28px;
  overflow: hidden;
}

.center-guide {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 4;
  width: 2px;
  background: linear-gradient(var(--pink) 0 0) center / 2px 18px repeat-y;
  opacity: 0.65;
  pointer-events: none;
}

.scrollbar-rail {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  width: 16px;
  border-left: 1px solid rgb(31 33 29 / 9%);
  background: rgb(31 33 29 / 8%);
  transition:
    opacity 240ms ease,
    background 240ms ease;
}

.scrollbar-rail::after {
  position: absolute;
  top: 34px;
  left: 4px;
  width: 8px;
  height: 72px;
  border-radius: 999px;
  background: rgb(31 33 29 / 28%);
  content: "";
}

.scrollbar-rail--reserved {
  background: rgb(12 155 114 / 10%);
}

.browser-page {
  width: calc(100% - 16px);
  min-height: 360px;
  padding: 18px;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  transform: translateX(var(--shift));
}

.compare-card.after .browser-page {
  /* In real CSS this is the space reserved by scrollbar-gutter: stable. */
  width: calc(100% - 16px);
}

.compare-card.is-open.before .browser-page {
  width: 100%;
  --shift: 8px;
}

.compare-card.is-open.before .scrollbar-rail {
  opacity: 0;
}

.compare-card.is-open.after .scrollbar-rail {
  background: rgb(12 155 114 / 13%);
}

.browser-page header {
  display: flex;
  align-items: center;
  gap: 9px;
  width: min(100%, 320px);
  margin-inline: auto;
  padding: 12px;
  border: 1px solid rgb(31 33 29 / 10%);
  border-radius: 18px;
  background: rgb(255 255 255 / 86%);
  box-shadow: 0 12px 32px rgb(31 33 29 / 8%);
}

.brand-dot {
  width: 26px;
  height: 26px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green), var(--orange));
}

.browser-page header strong {
  font-size: 16px;
  letter-spacing: -0.04em;
}

.hero-card {
  width: min(100%, 320px);
  margin: 16px auto 0;
  padding: 18px;
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  box-shadow: 0 20px 42px rgb(11 60 48 / 20%);
}

.hero-card span {
  display: block;
  color: rgb(255 255 255 / 70%);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-card strong {
  display: block;
  margin-top: 8px;
  font-size: 27px;
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 320px);
  margin: 12px auto 0;
}

.mini-grid i {
  height: 58px;
  border-radius: 17px;
  background: rgb(31 33 29 / 7%);
}

.modal-card {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index: 5;
  width: min(76%, 300px);
  padding: 16px;
  border: 1px solid rgb(31 33 29 / 10%);
  border-radius: 22px;
  background: #fffaf3;
  box-shadow: 0 26px 70px rgb(31 33 29 / 22%);
  opacity: 0;
  transform: translate(-50%, 18px) scale(0.96);
  transition:
    opacity 220ms ease,
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.modal-card span {
  color: var(--green);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.modal-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.compare-card.is-open .modal-card {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.compare-card.is-open .toggle-button {
  color: var(--green-dark);
  background: var(--green-soft);
  box-shadow: none;
}

.code-panel {
  grid-column: 1 / -1;
  min-width: 0;
  padding: 18px;
  border-radius: 24px;
  color: #ecfff4;
  background: var(--green-dark);
  overflow: hidden;
}

.code-panel > span {
  display: inline-block;
  margin-bottom: 12px;
  color: #86f0c2;
}

.code-panel pre {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.code-panel code {
  display: block;
  min-width: 0;
  font: 800 14px/1.65 "SFMono-Regular", Consolas, monospace;
  white-space: inherit;
  overflow-wrap: anywhere;
}

.takeaway {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 22px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgb(255 250 243 / 72%);
}

.takeaway span {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
}

.takeaway p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.7;
  word-break: auto-phrase;
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 28px, 1220px);
    padding: 24px 0;
  }

  h1 {
    font-size: clamp(28px, 7.4vw, 32px);
    line-height: 1.2;
  }

  .lead {
    font-size: 15px;
  }

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

  .demo-actions {
    flex-wrap: wrap;
  }

  .stage {
    grid-template-columns: minmax(0, 1fr);
    padding: 14px;
  }

  .compare-card {
    padding: 14px;
    border-radius: 22px;
  }

  .browser-frame {
    min-height: 270px;
  }

  .browser-page {
    min-height: 330px;
  }

  .code-panel {
    padding: 16px;
    border-radius: 20px;
  }

  .code-panel code {
    font-size: 12px;
    line-height: 1.7;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}