:root {
  --paper: #f7f6f1;
  --paper-warm: #fff9ed;
  --white: #fff;
  --ink: #202526;
  --ink-soft: #47514f;
  --muted: #77807d;
  --teal: #4ba8a1;
  --teal-dark: #237d76;
  --teal-pale: #e4f2ef;
  --moss: #88a565;
  --gold: #d7a04a;
  --line: #d9d8d1;
  --display: "Songti SC", "STSong", "SimSun", serif;
  --body: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --utility: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
::selection { color: var(--white); background: var(--teal-dark); }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(75, 168, 161, .35); outline-offset: 4px; border-radius: 4px; }
.skip-link { position: fixed; top: -80px; left: 18px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--ink); }
.skip-link:focus { top: 18px; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
  min-height: 86px;
  padding: 0 max(4vw, 28px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid rgba(32, 37, 38, .13);
}
.brand { display: inline-flex; align-items: center; gap: 11px; justify-self: start; text-decoration: none; }
.brand img { width: 44px; height: 44px; border: 1px solid rgba(32, 37, 38, .15); border-radius: 12px; }
.brand strong, .brand small { display: block; }
.brand strong { font-family: var(--display); font-size: 18px; letter-spacing: .08em; }
.brand small { color: var(--muted); font-family: var(--utility); font-size: 7px; letter-spacing: .18em; }
.site-header nav { display: flex; gap: 34px; }
.site-header nav a { position: relative; color: var(--ink-soft); font-size: 12px; text-decoration: none; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--ink); transition: right .2s ease; }
.site-header nav a:hover::after { right: 0; }
.company-link { justify-self: end; font-size: 11px; font-weight: 700; text-decoration: none; }
.company-link span { color: var(--gold); }

.hero {
  min-height: 930px;
  padding: 150px max(6vw, 36px) 90px;
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  align-items: center;
  gap: 7vw;
  overflow: hidden;
  background:
    linear-gradient(rgba(32,37,38,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32,37,38,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
}
.hero-copy { max-width: 620px; }
.eyebrow { display: flex; align-items: center; justify-content: space-between; max-width: 470px; margin-bottom: 29px; color: var(--ink-soft); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.eyebrow span { color: var(--gold); font-family: var(--utility); font-size: 9px; letter-spacing: .12em; }
.hero h1 { margin-bottom: 28px; font-family: var(--display); font-size: clamp(62px, 7vw, 108px); font-weight: 800; line-height: 1.04; letter-spacing: -.065em; }
.hero h1 em { position: relative; color: var(--ink); font-style: normal; }
.hero h1 em::after { content: ""; position: absolute; left: 0; right: -3%; bottom: -4px; height: 10px; border-top: 3px solid var(--gold); border-radius: 50%; transform: rotate(-1.3deg); }
.lead { max-width: 560px; color: var(--ink-soft); font-size: 17px; line-height: 1.9; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; gap: 30px; }
.button { min-height: 54px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: space-between; gap: 62px; border: 1px solid var(--ink); text-decoration: none; font-size: 12px; font-weight: 800; }
.button-dark { color: var(--white); background: var(--ink); box-shadow: 8px 8px 0 var(--gold); transition: transform .18s ease, box-shadow .18s ease; }
.button-dark:hover { transform: translate(4px, 4px); box-shadow: 4px 4px 0 var(--gold); }
.button-dark span { color: var(--gold); }
.text-link { color: var(--ink-soft); font-size: 12px; text-underline-offset: 6px; }
.hero-facts { max-width: 560px; margin-top: 74px; padding-top: 18px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-facts span { display: flex; align-items: center; gap: 9px; color: var(--ink-soft); font-size: 10px; }
.hero-facts b { color: var(--gold); font-family: var(--utility); font-size: 8px; }

.hero-art { position: relative; width: min(760px, 100%); justify-self: end; }
.art-caption { margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: 10px; }
.art-caption b { font-family: var(--utility); font-size: 8px; letter-spacing: .16em; }
.art-frame { position: relative; padding: 13px; border: 1px solid var(--ink); background: var(--white); box-shadow: 22px 22px 0 var(--teal-pale); transform: rotate(.7deg); }
.art-frame::before, .art-frame::after { content: ""; position: absolute; z-index: 2; width: 54px; height: 17px; background: rgba(227, 210, 166, .68); }
.art-frame::before { left: 46px; top: -10px; transform: rotate(-4deg); }
.art-frame::after { right: 48px; bottom: -9px; transform: rotate(4deg); }
.art-frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.88) contrast(.98); }
.art-note { position: absolute; right: -35px; bottom: -42px; width: 150px; padding: 16px; display: flex; align-items: flex-start; gap: 11px; border: 1px solid var(--ink); background: var(--paper-warm); box-shadow: 7px 7px 0 rgba(32,37,38,.14); transform: rotate(-3deg); }
.art-note i { width: 10px; height: 10px; margin-top: 6px; border-radius: 50%; background: var(--moss); }
.art-note span { font-family: var(--display); font-size: 15px; font-weight: 700; line-height: 1.55; }

.loop { padding: 82px max(6vw, 34px); display: grid; grid-template-columns: .8fr 1.2fr; gap: 7vw; color: var(--white); background: var(--ink); }
.loop-intro small { display: block; margin-bottom: 18px; color: var(--gold); font-family: var(--utility); font-size: 9px; letter-spacing: .1em; }
.loop-intro strong { font-family: var(--display); font-size: clamp(29px, 3.2vw, 45px); line-height: 1.45; }
.loop-steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-content: center; }
.loop-steps::before { content: ""; position: absolute; left: 8px; right: 8px; top: 23px; height: 1px; background: var(--gold); opacity: .65; }
.loop-steps article { position: relative; }
.loop-steps article > span { position: relative; z-index: 2; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); background: var(--ink); font-family: var(--utility); font-size: 8px; }
.loop-steps h2 { margin: 17px 0 4px; font-family: var(--display); font-size: 25px; }
.loop-steps p { margin: 0; color: #aeb5b3; font-size: 10px; line-height: 1.6; }

.task-story { padding: 132px max(6vw, 32px); background: var(--white); }
.section-title { max-width: 1180px; margin: 0 auto 65px; display: grid; grid-template-columns: .75fr 1.25fr; align-items: end; }
.section-title > p, .section-kicker { margin-bottom: 9px; color: var(--teal-dark); font-family: var(--utility); font-size: 9px; font-weight: 800; letter-spacing: .11em; }
.section-title h2, .day-copy h2, .privacy h2, .download h2 { margin: 0; font-family: var(--display); font-size: clamp(42px, 5vw, 70px); line-height: 1.17; letter-spacing: -.04em; }
.task-layout { max-width: 1180px; margin: auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: center; }
.task-board { padding: 32px; border: 1px solid var(--ink); background: var(--paper); box-shadow: 16px 16px 0 var(--teal-pale); }
.board-head { padding-bottom: 20px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); }
.board-head span { font-family: var(--display); font-size: 22px; font-weight: 800; }
.board-head b { color: var(--teal-dark); font-family: var(--utility); font-size: 9px; }
.board-section { padding: 24px 0 6px; }
.board-section + .board-section { border-top: 1px solid var(--line); }
.board-label { display: grid; grid-template-columns: 16px auto 1fr; align-items: center; gap: 9px; margin-bottom: 14px; }
.board-label i { width: 11px; height: 11px; border-radius: 50%; }
.frog-dot { background: var(--moss); box-shadow: 0 0 0 5px rgba(136,165,101,.13); }
.tadpole-dot { position: relative; background: var(--ink); }
.tadpole-dot::after { content: ""; position: absolute; left: -8px; top: 4px; width: 9px; height: 5px; border-top: 2px solid var(--ink); border-radius: 50%; transform: rotate(-20deg); }
.board-label strong { font-size: 12px; }
.board-label small { justify-self: end; color: var(--muted); font-size: 9px; }
.board-item { margin: 8px 0; padding: 14px; display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 12px; border: 1px solid var(--line); background: var(--white); }
.board-item > span { width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid #b8bdba; color: #fff; font-size: 10px; }
.board-item b, .board-item small { display: block; }
.board-item b { font-size: 11px; }.board-item small { color: var(--muted); font-size: 8px; }
.board-item.done > span { border-color: var(--teal); background: var(--teal); }
.board-item.done b { color: #8b9290; text-decoration: line-through; }
.tadpole-section { margin-top: 14px; }
.task-copy article { padding: 32px 0; border-bottom: 1px solid var(--line); }
.task-copy article:first-child { padding-top: 0; }
.task-copy span { color: var(--gold); font-family: var(--utility); font-size: 9px; letter-spacing: .12em; }
.task-copy h3 { margin: 10px 0 9px; font-family: var(--display); font-size: 31px; line-height: 1.35; }
.task-copy p { max-width: 470px; margin: 0; color: var(--ink-soft); font-size: 13px; }

.day-system { padding: 120px max(7vw, 34px); display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 10vw; overflow: hidden; background: var(--paper-warm); }
.phone-stage { position: relative; min-height: 690px; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid rgba(215,160,74,.45); border-radius: 50%; }
.orbit-one { width: 540px; height: 420px; transform: rotate(-17deg); }
.orbit-two { width: 390px; height: 570px; border-color: rgba(75,168,161,.35); transform: rotate(24deg); }
.phone { position: relative; z-index: 3; width: 326px; min-height: 640px; padding: 18px 17px 24px; border: 8px solid var(--ink); border-radius: 42px; background: #f9fbfa; box-shadow: 30px 38px 0 rgba(75,168,161,.16), 0 32px 70px rgba(32,37,38,.16); transform: rotate(-2deg); }
.phone-status { padding: 0 7px 10px; display: flex; justify-content: space-between; font-size: 8px; font-weight: 800; }
.phone-status b { width: 70px; height: 17px; margin-top: -18px; border-radius: 0 0 12px 12px; background: var(--ink); }
.app-title { display: flex; align-items: center; justify-content: space-between; }
.app-title small, .app-title strong { display: block; }.app-title small { color: var(--muted); font-size: 7px; }.app-title strong { font-size: 16px; }
.app-title img { width: 44px; height: 44px; border-radius: 12px; }
.day-strip { margin-top: 14px; padding: 9px 4px; display: grid; grid-template-columns: repeat(7, 1fr); border: 1px solid #dfe6e3; background: #fff; }
.day-strip span { display: grid; place-items: center; gap: 3px; color: #86908d; }
.day-strip small { font-size: 6px; }.day-strip b { width: 27px; height: 27px; display: grid; place-items: center; font-size: 8px; }
.day-strip .active b { color: #fff; background: var(--teal-dark); }
.focus-card { margin-top: 13px; padding: 17px; display: flex; align-items: center; justify-content: space-between; color: #fff; background: var(--teal-dark); box-shadow: 8px 8px 0 var(--gold); }
.focus-card small, .focus-card strong, .focus-card p { display: block; }.focus-card small { font-size: 8px; opacity: .75; }.focus-card strong { font-size: 24px; }.focus-card p { margin: 2px 0 0; font-size: 7px; opacity: .78; }
.progress-orbit { position: relative; width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--gold) 0 60%, rgba(255,255,255,.2) 60%); }
.progress-orbit::after { content: ""; position: absolute; width: 47px; height: 47px; border-radius: 50%; background: var(--teal-dark); }
.progress-orbit b { position: relative; z-index: 2; font-size: 9px; }
.task-heading { margin: 18px 2px 7px; display: flex; justify-content: space-between; }.task-heading strong { font-size: 11px; }.task-heading span { color: var(--muted); font-size: 8px; }
.phone-task { margin-top: 7px; padding: 11px; display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 9px; border: 1px solid #e0e6e3; background: #fff; }
.phone-task > i { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid #aeb8b4; color: #fff; font-size: 8px; font-style: normal; }
.phone-task.done > i { border-color: var(--teal); background: var(--teal); }
.phone-task span b, .phone-task span small { display: block; }.phone-task b { font-size: 8px; }.phone-task small { color: var(--muted); font-size: 6px; }
.phone-dock { position: absolute; left: 13px; right: 13px; bottom: 13px; height: 57px; display: flex; align-items: center; justify-content: space-around; border: 1px solid #dfe5e2; background: rgba(255,255,255,.97); box-shadow: 0 7px 20px rgba(32,37,38,.08); }
.phone-dock span { display: grid; text-align: center; color: var(--teal-dark); font-size: 12px; }.phone-dock small { font-size: 6px; }
.streak-card { position: absolute; z-index: 4; right: 0; bottom: 13%; padding: 15px 18px; border: 1px solid var(--ink); background: var(--white); box-shadow: 7px 7px 0 var(--gold); transform: rotate(3deg); }
.streak-card small, .streak-card strong { display: block; }.streak-card small { color: var(--muted); font-size: 8px; }.streak-card strong { font-family: var(--display); font-size: 17px; }
.day-copy { max-width: 600px; }
.day-copy h2 { margin-bottom: 44px; }
.day-features article { padding: 21px 0; display: grid; grid-template-columns: 64px 1fr; gap: 25px; border-top: 1px solid var(--line); }
.day-features article > span { color: var(--teal-dark); font-family: var(--utility); font-size: 9px; font-weight: 800; }
.day-features h3 { margin: 0 0 5px; font-family: var(--display); font-size: 23px; }.day-features p { margin: 0; color: var(--ink-soft); font-size: 12px; }

.more-features { padding: 125px max(6vw, 32px); background: var(--white); }
.section-title.compact { margin-bottom: 55px; }
.feature-list { max-width: 1180px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.feature-list article { position: relative; min-height: 330px; padding: 34px 30px; border-right: 1px solid var(--line); }
.feature-list article:last-child { border-right: 0; }
.feature-list b { color: var(--teal-dark); font-family: var(--utility); font-size: 9px; letter-spacing: .1em; }
.feature-list h3 { margin: 46px 0 12px; font-family: var(--display); font-size: 27px; line-height: 1.35; }
.feature-list p { color: var(--ink-soft); font-size: 12px; }
.feature-list article > span { position: absolute; right: 24px; bottom: 17px; color: #d9ddd9; font-family: var(--display); font-size: 74px; }

.privacy { padding: 120px max(8vw, 34px); display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; align-items: center; color: var(--white); background: #26302f; }
.privacy-copy > p:first-child { margin-bottom: 14px; color: var(--gold); font-family: var(--utility); font-size: 9px; letter-spacing: .12em; }
.privacy .body { max-width: 560px; margin: 28px 0 33px; color: #c3cac7; font-size: 14px; }
.privacy a { display: inline-flex; gap: 50px; padding-bottom: 5px; border-bottom: 1px solid var(--gold); color: var(--gold); font-size: 11px; font-weight: 800; text-decoration: none; }
.privacy-ledger { border-top: 1px solid #69716f; }
.privacy-ledger div { padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 22px; border-bottom: 1px solid #69716f; }
.privacy-ledger span { color: #9eaaa6; font-size: 10px; }.privacy-ledger b { font-family: var(--display); font-size: 17px; font-weight: 600; text-align: right; }

.download { position: relative; max-width: 1180px; min-height: 600px; margin: 120px auto; padding: 64px; display: grid; grid-template-columns: 1fr 1fr; align-content: end; gap: 45px 80px; overflow: hidden; border: 1px solid var(--ink); background: var(--paper-warm); box-shadow: 18px 18px 0 var(--teal-pale); }
.download > img { position: absolute; width: 540px; right: -60px; top: -95px; opacity: .32; mix-blend-mode: multiply; transform: rotate(5deg); }
.download-main, .stores, .download > a { position: relative; z-index: 2; }
.download-main > p { color: var(--gold); font-family: var(--utility); font-size: 9px; letter-spacing: .13em; }
.download-main > span { display: block; max-width: 560px; margin-top: 20px; color: var(--ink-soft); font-size: 13px; }
.stores { display: grid; grid-template-columns: 1fr 1fr; align-self: end; border-top: 1px solid var(--line); }
.stores > span { padding: 14px 5px; border-bottom: 1px solid var(--line); font-family: var(--utility); font-size: 10px; font-weight: 800; }
.stores > span:nth-child(odd) { border-right: 1px solid var(--line); }
.stores small { display: block; color: var(--muted); font-family: var(--body); font-size: 8px; font-weight: 400; }
.download > a { grid-column: 2; min-height: 50px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; color: #fff; background: var(--ink); font-size: 11px; font-weight: 800; text-decoration: none; }

footer { padding: 50px max(6vw, 28px); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; border-top: 1px solid var(--line); background: var(--white); }
.footer-brand { display: flex; align-items: center; gap: 12px; }.footer-brand img { width: 40px; height: 40px; border-radius: 11px; }.footer-brand strong { font-family: var(--display); font-size: 17px; }.footer-brand span { color: var(--muted); font-size: 10px; }
footer nav { display: flex; gap: 23px; }footer nav a { font-size: 10px; text-decoration: none; }
footer > p { grid-column: 1/-1; margin: 8px 0 0; color: #929895; font-size: 8px; letter-spacing: .08em; }footer > p a { text-underline-offset: 3px; }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; }.site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 125px; }.hero-copy { max-width: 760px; }.hero-art { width: min(780px, 92%); justify-self: center; }
  .loop { grid-template-columns: 1fr; }.task-layout { gap: 50px; }
  .day-system { grid-template-columns: 1fr; }.day-copy { max-width: 760px; margin: auto; }.phone-stage { order: 2; }
  .download { margin-left: 28px; margin-right: 28px; }
}

@media (max-width: 760px) {
  .site-header { min-height: 74px; padding: 0 18px; }.company-link { display: none; }.brand img { width: 40px; height: 40px; }
  .hero { min-height: 0; padding: 110px 20px 75px; gap: 70px; }.hero h1 { font-size: 54px; }.lead { font-size: 14px; }.hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }.hero-facts { margin-top: 46px; }.hero-facts span { align-items: flex-start; flex-direction: column; gap: 2px; }.art-note { right: -10px; bottom: -46px; }.art-frame { box-shadow: 12px 12px 0 var(--teal-pale); }
  .loop { padding: 72px 20px; }.loop-steps { grid-template-columns: 1fr 1fr; gap: 38px; }.loop-steps::before { display: none; }
  .task-story, .more-features { padding: 90px 20px; }.section-title { grid-template-columns: 1fr; gap: 16px; }.section-title h2, .day-copy h2, .privacy h2, .download h2 { font-size: 40px; }
  .task-layout { grid-template-columns: 1fr; }.task-board { padding: 20px; box-shadow: 9px 9px 0 var(--teal-pale); }.board-label { grid-template-columns: 16px auto; }.board-label small { grid-column: 2; justify-self: start; }.task-copy h3 { font-size: 26px; }
  .day-system { padding: 88px 20px; gap: 55px; }.phone-stage { min-height: 620px; }.phone { width: 292px; min-height: 590px; transform: none; box-shadow: 15px 20px 0 rgba(75,168,161,.16), 0 24px 55px rgba(32,37,38,.14); }.orbit-one { width: 420px; }.orbit-two { width: 310px; height: 500px; }.streak-card { right: -12px; bottom: 10%; }
  .feature-list { grid-template-columns: 1fr; }.feature-list article { min-height: 260px; border-right: 0; border-bottom: 1px solid var(--line); }.feature-list article:last-child { border-bottom: 0; }.feature-list h3 { margin-top: 32px; }
  .privacy { padding: 90px 20px; grid-template-columns: 1fr; gap: 55px; }.privacy-ledger b { font-size: 15px; }
  .download { min-height: 690px; margin: 70px 20px; padding: 35px 24px; grid-template-columns: 1fr; gap: 28px; box-shadow: 10px 10px 0 var(--teal-pale); }.download > img { width: 420px; right: -150px; top: -20px; opacity: .23; }.download-main { padding-top: 180px; }.download > a { grid-column: 1; }
  footer { grid-template-columns: 1fr; padding: 40px 20px; }.footer-brand { flex-wrap: wrap; }footer nav { flex-wrap: wrap; gap: 17px; }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .72s ease, transform .72s ease; }
  .reveal.visible { opacity: 1; transform: none; }
  .hero-art { animation: settle-in .85s cubic-bezier(.22,.74,.24,1) both; }
  .art-note { animation: note-float 5s ease-in-out 1s infinite; }
}
@keyframes settle-in { from { opacity: 0; transform: translateY(20px) rotate(-1deg); } to { opacity: 1; transform: none; } }
@keyframes note-float { 0%,100% { translate: 0 0; } 50% { translate: 0 -7px; } }
