:root {
  color-scheme: light;
  /* AppColorTheme.swift: MainTabBackground, MainTabs and the brand colors. */
  --page-top: #f9eef0;
  --page-middle: #fcf3f4;
  --page-light: #fef9f9;
  --ink: #63422e;
  --muted: #7a6253;
  --line: #edd4dc;
  --pink: #fa7b89;
  --berry: #bb3655;
  --berry-dark: #a43d53;
  --card-fill: #fffcfb;
  --card-shadow: 0 5px 11px rgb(126 109 104 / 5%);
  --card-radius: 1.625rem;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

body {
  margin: 0;
  background-color: #fff;
  background-image:
    radial-gradient(ellipse 84% 12% at 50% 23%, rgb(231 155 173 / 8%), transparent),
    radial-gradient(ellipse 76% 16% at 50% 51%, rgb(227 149 169 / 7%), transparent),
    radial-gradient(ellipse 90% 14% at 50% 75%, rgb(235 169 186 / 6%), transparent),
    linear-gradient(180deg, var(--page-top), var(--page-middle) 57%, var(--page-light) 80%, #fff);
  background-repeat: no-repeat;
  background-size: 100% max(48rem, 100svh);
  color: var(--ink);
  font: 1rem/1.7 var(--sans);
}

img { display: block; max-inline-size: 100%; }
p, h1, h2, h3 { margin: 0; }
a { color: inherit; text-underline-offset: .27em; }
a:focus-visible, summary:focus-visible, #main:focus-visible {
  outline: 2px solid var(--berry-dark);
  outline-offset: 5px;
}
#features, #guide, #support { scroll-margin-block-start: 1.25rem; }

.wrap {
  width: min(73rem, calc(100% - 4rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 3;
  inset: 1rem auto auto 1rem;
  padding: .6rem 1rem;
  transform: translateY(-200%);
  background: var(--ink);
  color: #fff;
}
.skip-link:focus { transform: translateY(0); }

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
  min-height: 5.75rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
}
.wordmark img { border-radius: .69rem; }
.masthead nav { display: flex; flex-wrap: wrap; gap: .35rem 1.8rem; }
.masthead nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-size: .88rem;
  font-weight: 550;
  text-decoration: none;
}
.masthead nav a:hover, .text-link:hover, .colophon a:hover { color: var(--berry-dark); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5.1rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5.6rem) clamp(3rem, 6vw, 5.7rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: .56rem;
  color: var(--berry);
  font-size: .82rem;
  font-weight: 660;
  letter-spacing: .07em;
}
.eyebrow > span {
  inline-size: 1.25rem;
  block-size: 2px;
  border-radius: 100vmax;
  background: var(--pink);
}

h1, h2 {
  font-weight: 650;
  line-height: 1.24;
  text-wrap: balance;
}

.hero h1 {
  margin-bottom: 1.15rem;
  font-size: clamp(2.6rem, 4.1vw, 3.9rem);
  letter-spacing: -.044em;
}
.hero h1 > span { color: var(--berry); }
.intro {
  max-inline-size: 29rem;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.35vw, 1.2rem);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem 1.35rem;
  margin-top: 1.8rem;
}
.button, .text-link {
  display: inline-flex;
  align-items: center;
  gap: .66rem;
  min-height: 2.9rem;
  font-size: .91rem;
  font-weight: 650;
}
.button {
  padding: .59rem 1.15rem;
  border-radius: 100vmax;
  background: var(--berry);
  color: #fff;
  text-decoration: none;
}
.button:hover { background: var(--berry-dark); }
.text-link { color: var(--berry); }

.hero-icon {
  justify-self: center;
  inline-size: min(100%, 29rem);
  block-size: auto;
}
h2 { font-size: clamp(1.85rem, 3.2vw, 3.05rem); letter-spacing: -.04em; }
.eyebrow + h2 { margin-top: .64rem; }

.features {
  padding-block: clamp(2.8rem, 5.5vw, 4.4rem);
  background: var(--page-light);
}
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.8rem, 2vw, 1.4rem);
  margin-top: 1.9rem;
}
.feature, .guide-items {
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--card-fill);
  box-shadow: var(--card-shadow);
}
.feature { padding: clamp(1rem, 2.1vw, 1.5rem); }
.feature-label { display: flex; align-items: center; justify-content: space-between; }
.number {
  color: var(--berry);
  font-size: .92rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.feature-mark {
  inline-size: 1.4rem;
  block-size: .48rem;
  border-radius: 100vmax;
}
.feature-mark--rose { background: #fab2b7; }
.feature-mark--leaf { background: #b7d6b0; }
.feature-mark--gold { background: #f1d27a; }
.feature h3 { margin-block: .76rem .48rem; font-size: 1.29rem; line-height: 1.35; }
.feature p { color: var(--muted); }
.feature .example { margin-top: .68rem; font-size: .85rem; }

.guide {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 1.5rem clamp(1.5rem, 5vw, 4.5rem);
  padding-block: clamp(3.05rem, 6vw, 5rem);
}
.guide-items { padding-inline: clamp(1rem, 2.1vw, 1.5rem); }
details { border-bottom: 1px solid var(--line); }
details:last-child { border-bottom: 0; }
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.2rem;
  padding-block: .7rem;
  cursor: pointer;
  list-style: none;
  font-weight: 650;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "";
  flex: 0 0 .48rem;
  height: .48rem;
  margin-inline-end: .34rem;
  border-inline-end: 1px solid var(--berry);
  border-block-end: 1px solid var(--berry);
  transform: rotate(45deg);
}
details[open] summary::after { transform: rotate(225deg); }
details p {
  max-inline-size: 31rem;
  padding-block: 0 .95rem;
  color: var(--muted);
  font-size: .94rem;
}

.site-footer {
  padding-block: 2.5rem .65rem;
  border-top: 1px solid var(--line);
  background: var(--page-middle);
}
.support {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: .65rem 1.5rem;
  padding-bottom: 1.65rem;
}
.support h2 { font-size: clamp(1.55rem, 2.5vw, 2.25rem); }
.support p:last-child { margin-top: .52rem; color: var(--muted); }
.colophon {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .15rem 1.25rem;
  padding-top: .45rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .79rem;
}
.colophon a { display: inline-flex; align-items: center; gap: .2rem; min-height: 2.75rem; }

@media (max-width: 54rem) {
  .hero { gap: 1.9rem; }
  .hero h1 { font-size: clamp(2.1rem, 5vw, 3.45rem); }
}

@media (max-width: 43rem) {
  .wrap { width: calc(100% - 2.25rem); }
  .masthead { min-height: 4.45rem; gap: .25rem .85rem; }
  .wordmark { gap: .42rem; }
  .wordmark img { width: 34px; height: 34px; border-radius: .55rem; }
  .masthead nav { gap: .05rem .65rem; }
  .masthead nav a { font-size: .78rem; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 2.65rem; }
  .hero h1 { font-size: clamp(2.16rem, 8.4vw, 3.5rem); }
  .hero-actions { margin-top: 1.35rem; }
  .hero-icon { inline-size: min(100%, 24rem); }
  .feature-list, .guide { grid-template-columns: minmax(0, 1fr); }
  .feature-list { gap: 1.2rem; }
  .support .text-link { min-height: 2.6rem; }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  body { background-image: linear-gradient(180deg, var(--page-top), var(--page-middle) 57%, var(--page-light) 80%, #fff); }
  .feature, .guide-items { background: #fffafb; box-shadow: none; }
}

@media (max-width: 23rem) {
  .wrap { width: calc(100% - 1.7rem); }
  .masthead nav { column-gap: .46rem; }
  .masthead nav a { font-size: .74rem; }
  .hero h1 { font-size: clamp(1.75rem, 8.6vw, 2.15rem); }
}