:root {
  color-scheme: light;
  --paper: #f8f6f0;
  --paper-deep: #efe8dc;
  --ink: #24211d;
  --muted: #6d655c;
  --soft: #ded6c9;
  --rule: #cfc4b5;
  --sage: #496856;
  --brick: #9a4e3d;
  --blue-ink: #31485d;
  --white: #fffdf8;
  --max: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(73, 104, 86, 0.08) 0, rgba(73, 104, 86, 0.08) 1px, transparent 1px, transparent 100%),
    var(--paper);
  background-size: 72px 100%;
  color: var(--ink);
  font-family: "Open Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.78;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--blue-ink);
  text-decoration-color: rgba(49, 72, 93, 0.34);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--brick);
  text-decoration-color: rgba(154, 78, 61, 0.52);
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  border-bottom: 1px solid var(--soft);
  background: rgba(248, 246, 240, 0.92);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
  box-shadow: 0 8px 18px rgba(62, 51, 39, 0.12);
}

.brand-name {
  font-family: "Literata", "Songti SC", "STSong", Georgia, serif;
  font-size: 19px;
  font-weight: 650;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

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

.main {
  flex: 1;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 72px 0 84px;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 64px;
  align-items: center;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--rule);
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--sage);
  font-size: 14px;
  font-weight: 700;
}

.eyebrow {
  margin-bottom: 18px;
}

.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 21px;
  display: block;
  margin-bottom: 26px;
  box-shadow: 0 18px 42px rgba(62, 51, 39, 0.14);
}

h1,
h2,
h3 {
  font-family: "Literata", "Songti SC", "STSong", Georgia, serif;
  font-weight: 650;
  line-height: 1.24;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: 48px;
}

h2 {
  margin: 0 0 18px;
  font-size: 27px;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.lede {
  margin: 24px 0 0;
  max-width: 700px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--ink);
  background: rgba(255, 253, 248, 0.52);
  text-decoration: none;
}

.text-link:hover {
  border-color: rgba(154, 78, 61, 0.48);
  background: rgba(255, 253, 248, 0.82);
}

.primary-link {
  border-color: rgba(73, 104, 86, 0.54);
  background: var(--sage);
  color: var(--white);
}

.primary-link:hover {
  background: var(--blue-ink);
  color: var(--white);
}

.product-stage {
  min-height: 500px;
  position: relative;
}

.phone-preview {
  width: 242px;
  min-height: 484px;
  border-radius: 36px;
  padding: 13px;
  background: #211f1c;
  box-shadow: 0 28px 70px rgba(62, 51, 39, 0.18);
}

.phone-primary {
  position: absolute;
  right: 100px;
  top: 0;
  z-index: 2;
}

.phone-secondary {
  position: absolute;
  right: 0;
  top: 64px;
  z-index: 1;
  transform: rotate(2deg);
}

.phone-bar {
  width: 74px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.28);
  margin: 0 auto 11px;
}

.phone-screen {
  min-height: 438px;
  border-radius: 25px;
  padding: 24px 20px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.92), rgba(239, 232, 220, 0.96)),
    var(--white);
  overflow: hidden;
}

.screen-kicker {
  margin: 0 0 8px;
  color: var(--brick);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.phone-screen h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.metric-row {
  display: grid;
  gap: 2px;
  padding: 14px 0;
  border-top: 1px solid var(--soft);
  border-bottom: 1px solid var(--soft);
}

.metric-row span {
  font-family: "Literata", "Songti SC", "STSong", Georgia, serif;
  font-size: 31px;
  line-height: 1;
  font-weight: 700;
}

.metric-row small,
.screen-note {
  color: var(--muted);
}

.insight-bars {
  height: 120px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 7px;
  margin: 24px 0;
}

.insight-bars i {
  display: block;
  min-height: 18px;
  border-radius: 7px 7px 3px 3px;
  background: color-mix(in srgb, var(--sage) 76%, var(--white));
}

.memory-card {
  min-height: 172px;
  display: grid;
  align-content: space-between;
  gap: 18px;
  margin: 18px 0 22px;
  padding: 18px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.72);
}

.memory-card span {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(73, 104, 86, 0.1);
  color: var(--sage);
  font-size: 12px;
  font-weight: 700;
}

.memory-card strong {
  font-size: 17px;
  line-height: 1.55;
}

.swipe-line {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sage), rgba(73, 104, 86, 0.14));
  margin-bottom: 22px;
}

.screen-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
}

.section {
  padding: 56px 0;
  border-bottom: 1px solid rgba(207, 196, 181, 0.74);
}

.section:last-child {
  border-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
}

.section-kicker {
  color: var(--brick);
}

.body-copy {
  max-width: 720px;
}

.body-copy p {
  margin: 0 0 16px;
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 22px;
}

.feature-item {
  padding-top: 18px;
  border-top: 1px solid var(--soft);
}

.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 34px;
  margin: 28px 0 0;
}

.meta-item {
  padding-top: 14px;
  border-top: 1px solid var(--soft);
}

.meta-label {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.meta-value {
  margin: 0;
  font-weight: 700;
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--soft);
  background: var(--paper-deep);
}

.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 780px) {
  .topbar-inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .main {
    padding: 46px 0 64px;
  }

  .landing-hero,
  .split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  h1 {
    font-size: 36px;
  }

  .lede {
    font-size: 17px;
  }

  .product-stage {
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .phone-preview,
  .phone-primary,
  .phone-secondary {
    position: static;
    width: 100%;
    min-height: 430px;
    transform: none;
  }

  .phone-screen {
    min-height: 384px;
  }

  .section {
    padding: 42px 0;
  }

  .meta-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  body {
    font-size: 15px;
  }

  .topbar-inner,
  .main,
  .footer-inner {
    width: min(calc(100% - 28px), var(--max));
  }

  h1 {
    font-size: 31px;
  }

  h2 {
    font-size: 24px;
  }

  .hero-actions,
  .links-row {
    display: grid;
  }

  .product-stage {
    grid-template-columns: 1fr;
  }

  .phone-preview {
    min-height: 412px;
  }

  .phone-screen {
    min-height: 366px;
  }
}