:root {
    --ink: #222222;
    --muted: #5a6266;
    --sea: #4ecdc4;
    --sea-soft: #84ded2;
    --paper: #f0f7fa;
    --white: #ffffff;
    --line: rgba(34, 34, 34, 0.1);
    --red: #e65c55;
    --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    position: relative;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--paper);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}
body::before {
    content: "";
    position: fixed;
    z-index: 30;
    inset: 0;
    pointer-events: none;
    opacity: .035;
    background-image: radial-gradient(circle at 20% 30%, var(--ink) 0 .65px, transparent .8px);
    background-size: 5px 5px;
    mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--sea); outline-offset: 4px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; border-radius: 12px; color: var(--white); background: var(--ink); }
.skip-link:focus { top: 16px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    min-height: 76px;
    background: rgba(240, 247, 250, 0.86);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
}
.site-header-inner {
    width: min(calc(100% - 40px), var(--max-width));
    min-height: inherit;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 750; letter-spacing: -0.03em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: var(--white); box-shadow: 0 5px 16px rgba(34, 34, 34, 0.08); }
.brand-mark img { width: 23px; height: 23px; }
.brand-name { display: grid; gap: 1px; line-height: 1; }
.brand-name small { color: var(--muted); font-size: 7px; font-weight: 750; letter-spacing: .17em; }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 600; }
.site-nav a { padding: 12px 0; }
.site-nav a:not(.nav-cta):hover { color: var(--muted); }
.nav-cta { padding: 11px 18px !important; color: var(--white); background: var(--ink); border-radius: 999px; transition: scale .14s ease-out; }
.official-label { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.official-label i { width: 6px; height: 6px; border-radius: 50%; background: var(--sea); box-shadow: 0 0 0 4px rgba(78,205,196,.12); }

main { overflow: hidden; }
.hero {
    width: min(calc(100% - 40px), var(--max-width));
    min-height: calc(100svh - 76px);
    margin: 0 auto;
    padding: 74px 0 90px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.84fr);
    gap: 64px;
    align-items: center;
}
.hero-copy { position: relative; z-index: 2; animation: enter-copy 0.8s cubic-bezier(.2,.8,.2,1) both; }
.hero-kicker-row { max-width: 560px; display: flex; align-items: center; justify-content: space-between; }
.hero-kicker-row .eyebrow { margin-bottom: 22px; }
.edition { margin: 0 0 22px; color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .18em; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: 0.08em; }
.eyebrow > span { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--sea); box-shadow: 0 0 0 4px rgba(78,205,196,.13); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-size: clamp(54px, 6.3vw, 88px); line-height: 1.03; letter-spacing: -0.075em; font-weight: 850; }
h1 em { position: relative; color: var(--ink); font-style: normal; z-index: 0; }
h1 em::after { content: ""; position: absolute; z-index: -1; left: -3px; right: -8px; bottom: 6px; height: 18px; background: var(--sea-soft); border-radius: 55% 42% 50% 38%; transform: rotate(-1.2deg); opacity: 0.75; }
.hero-intro { max-width: 560px; margin: 34px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.hero-actions { margin-top: 38px; display: flex; align-items: center; gap: 22px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 0 23px; border-radius: 17px; font-size: 15px; font-weight: 700; transition: scale .14s ease-out; }
.button-primary { color: var(--white); background: var(--ink); box-shadow: 0 12px 30px rgba(34,34,34,0.16); transition: transform .25s ease, box-shadow .25s ease, scale .14s ease-out; }
.button-primary span { font-size: 19px; }
.button-primary:hover { transform: translateY(-3px) rotate(-0.5deg); box-shadow: 0 17px 34px rgba(34,34,34,0.2); }
.button:active, .nav-cta:active { scale: .96; }
.availability { color: var(--muted); font-size: 13px; }
.hero-notes { margin: 38px 0 0; padding: 0; display: flex; gap: 26px; list-style: none; color: var(--muted); font-size: 13px; }
.hero-notes li::before { content: ""; width: 6px; height: 6px; margin-right: 8px; display: inline-block; border: 2px solid var(--ink); border-radius: 50%; }

.hero-visual { min-height: 640px; position: relative; display: grid; place-items: center; isolation: isolate; animation: enter-phone 1s .1s cubic-bezier(.2,.8,.2,1) both; }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; z-index: -1; width: 520px; height: 470px; border: 1px solid rgba(78,205,196,.24); border-radius: 46% 54% 51% 49%; pointer-events: none; }
.hero-visual::after { width: 430px; height: 530px; border-color: rgba(34,34,34,.09); border-radius: 52% 48% 44% 56%; }
.phone { position: relative; z-index: 2; width: 350px; min-height: 670px; padding: 19px 19px 24px; overflow: hidden; border: 5px solid var(--ink); border-radius: 52px; background: var(--paper); box-shadow: 22px 28px 0 var(--sea-soft), 0 35px 75px rgba(34,34,34,0.16); transform: rotate(2.5deg); }
.phone-top { height: 26px; padding: 0 8px; display: flex; align-items: center; justify-content: space-between; font-size: 10px; font-weight: 750; }
.phone-top i { width: 52px; height: 15px; margin-right: 105px; border-radius: 999px; background: var(--ink); }
.app-heading { margin-top: 18px; display: flex; align-items: center; justify-content: space-between; }
.app-heading div { display: grid; gap: 4px; }
.app-heading small { color: var(--muted); font-size: 11px; }
.app-heading strong { font-size: 25px; letter-spacing: -0.04em; }
.round-icon { width: 37px; height: 37px; display: grid; place-items: center; border-radius: 50%; background: var(--white); font-size: 12px; font-weight: 800; }
.filter-row { height: 46px; margin-top: 19px; padding: 0 15px; display: flex; align-items: center; gap: 10px; border-radius: 15px; background: var(--white); color: var(--muted); font-size: 12px; font-weight: 650; }
.filter-row b { color: var(--sea); }
.result-card { margin-top: 14px; padding: 17px 15px 13px; border-radius: 21px; background: var(--white); box-shadow: 0 7px 24px rgba(34,34,34,0.05); }
.result-title { display: flex; align-items: center; justify-content: space-between; }
.result-title strong { font-size: 13px; }
.result-title span { color: var(--muted); font-size: 9px; }
.metrics { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.metrics div { padding: 12px 8px; display: grid; gap: 4px; text-align: center; border-radius: 13px; background: var(--paper); }
.metrics small, .metrics span { color: var(--muted); font-size: 8px; }
.metrics strong { font-size: 17px; font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.chart { position: relative; height: 142px; margin-top: 12px; padding: 10px 3px; overflow: hidden; }
.chart svg { position: relative; z-index: 2; width: 100%; height: 100%; overflow: visible; }
.grid { position: absolute; z-index: 0; left: 0; width: 100%; border-top: 1px dashed rgba(34,34,34,0.08); }
.g1 { top: 25%; } .g2 { top: 50%; } .g3 { top: 75%; }
.trend { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.median { fill: none; stroke: var(--red); stroke-width: 1; stroke-dasharray: 5 5; opacity: .5; }
.points circle { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.median-label { position: absolute; z-index: 3; left: 7px; top: 57px; color: var(--red); font-size: 7px; }
.chart-footer { display: flex; justify-content: space-between; color: var(--muted); font-size: 8px; }
.pb-sticker { position: absolute; z-index: 3; right: -12px; bottom: 70px; min-width: 200px; padding: 13px 15px; display: flex; align-items: center; gap: 11px; border: 2px solid var(--ink); border-radius: 17px; background: var(--white); box-shadow: 7px 8px 0 rgba(34,34,34,0.12); transform: rotate(-4deg); }
.pb-sticker img { width: 34px; height: 34px; }
.pb-sticker span { display: grid; gap: 3px; color: var(--muted); font-size: 10px; }
.pb-sticker b { color: var(--ink); font-size: 13px; }
.scribble { position: absolute; z-index: 0; border: 3px solid var(--ink); opacity: .16; }
.scribble-one { width: 110px; height: 80px; left: 0; top: 80px; border-color: var(--sea); border-radius: 55% 45% 60% 40%; transform: rotate(-18deg); }
.scribble-two { width: 70px; height: 70px; right: 0; top: 25px; border-left-color: transparent; border-radius: 50%; }

.has-motion .hero-visual::before { animation: water-orbit 18s linear infinite; }
.has-motion .hero-visual::after { animation: water-orbit-reverse 24s linear infinite; }
.has-motion .phone { animation: phone-float 7s 1.7s cubic-bezier(.45,.05,.55,.95) infinite alternate; }
.has-motion .scribble-one { animation: scribble-one-drift 12s 1.4s ease-in-out infinite alternate; }
.has-motion .scribble-two { animation: scribble-two-drift 15s 1.1s ease-in-out infinite alternate; }
.has-motion .hero .trend { stroke-dasharray: 1; stroke-dashoffset: 1; animation: trace-line 1.15s .72s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .hero .points circle { opacity: 0; transform: scale(.25); transform-box: fill-box; transform-origin: center; animation: point-arrive .38s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .hero .points circle:nth-child(1) { animation-delay: .82s; }
.has-motion .hero .points circle:nth-child(2) { animation-delay: 1s; }
.has-motion .hero .points circle:nth-child(3) { animation-delay: 1.18s; }
.has-motion .hero .points circle:nth-child(4) { animation-delay: 1.36s; }
.has-motion .hero .points circle:nth-child(5) { animation-delay: 1.54s; }
.has-motion .pb-sticker { animation: pb-arrive .62s 1.68s cubic-bezier(.18,.89,.32,1.18) both; }

.product-brief { width: min(calc(100% - 40px), var(--max-width)); margin: 0 auto 120px; padding: 30px 0; display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; border-top: 1px solid rgba(34,34,34,.18); border-bottom: 1px solid rgba(34,34,34,.18); }
.brief-intro { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; }
.brief-intro span { color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .16em; writing-mode: vertical-rl; }
.brief-intro strong { max-width: 280px; font-size: 18px; line-height: 1.55; letter-spacing: -.025em; }
.product-brief dl { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.product-brief dl > div { min-height: 70px; padding: 3px 20px; display: grid; align-content: space-between; border-left: 1px solid var(--line); }
.product-brief dt { color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.product-brief dd { margin: 0; font-size: 13px; font-weight: 700; }
.product-brief dd i { width: 6px; height: 6px; margin-right: 7px; display: inline-block; border-radius: 50%; background: var(--sea); }

.statement { padding: 130px 20px; color: var(--white); text-align: center; background: var(--ink); }
.statement p { margin: 0 0 18px; color: var(--sea-soft); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.statement h2 { margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.14; letter-spacing: -.06em; }

.features { width: min(calc(100% - 40px), var(--max-width)); margin: 0 auto; padding: 140px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; }
.section-heading .eyebrow { align-self: start; margin-top: 11px; white-space: nowrap; }
.section-heading h2 { max-width: 680px; margin: 0; font-size: clamp(40px, 5vw, 66px); line-height: 1.12; letter-spacing: -.06em; }
.feature-grid { margin-top: 70px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature { min-height: 420px; position: relative; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border: 1px solid var(--line); border-radius: 32px; background: var(--white); box-shadow: 0 18px 48px rgba(34,34,34,.05); transition: translate .25s ease, box-shadow .25s ease; }
.feature-number { position: absolute; left: 34px; top: 30px; color: var(--muted); font-size: 12px; font-weight: 750; }
.feature h3 { margin: 0; font-size: 31px; letter-spacing: -.05em; }
.feature p { max-width: 440px; margin: 14px 0 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.feature-wide { grid-column: 1 / -1; min-height: 400px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 60px; }
.mini-chart { height: 245px; position: relative; padding: 20px 15px 0 52px; border-radius: 23px; background: var(--paper); }
.mini-chart > span { position: absolute; left: 11px; color: var(--muted); font-size: 10px; }
.mini-chart > span:nth-child(1) { top: 25px; } .mini-chart > span:nth-child(2) { top: 106px; } .mini-chart > span:nth-child(3) { bottom: 28px; }
.mini-chart::before { content: ""; position: absolute; inset: 30px 15px 30px 50px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 52px, rgba(34,34,34,.08) 53px, transparent 54px); }
.mini-chart svg { position: relative; width: 100%; height: 100%; overflow: visible; }
.mini-chart path { fill: none; stroke: var(--ink); stroke-width: 5; stroke-linecap: round; }
.mini-chart circle { fill: var(--white); stroke: var(--ink); stroke-width: 4; }
.feature-dark { color: var(--white); background: var(--ink); }
.feature-dark .feature-number, .feature-dark p { color: rgba(255,255,255,.65); }
.feature-icon { position: absolute; right: 40px; top: 38px; width: 105px; height: 105px; transform: rotate(5deg); opacity: .95; }
.pb-row { margin-top: 28px; padding-top: 18px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.16); font-size: 13px; }
.pb-row b { color: var(--sea-soft); font-size: 18px; font-variant-numeric: tabular-nums; }
.training-rings { position: absolute; left: 50%; top: 42px; width: 200px; height: 200px; display: grid; place-items: center; transform: translateX(-50%); }
.training-rings i { position: absolute; inset: 0; border: 13px solid var(--paper); border-top-color: var(--sea); border-radius: 50%; transform: rotate(38deg); transition: transform .9s cubic-bezier(.2,.8,.2,1); }
.training-rings i:nth-child(2) { inset: 27px; border-width: 10px; border-right-color: var(--sea-soft); transform: rotate(100deg); transition-delay: .1s; }
.training-rings i:nth-child(3) { inset: 52px; border-width: 7px; border-bottom-color: var(--ink); transform: rotate(150deg); transition-delay: .2s; }
.training-rings strong { font-size: 34px; font-variant-numeric: tabular-nums; letter-spacing: -.05em; transition: opacity .5s .48s ease, transform .5s .48s cubic-bezier(.2,.8,.2,1); }
.training-rings small { margin-left: 3px; color: var(--muted); font-size: 9px; font-weight: 600; }
.feature-accent { background: var(--sea-soft); border-color: transparent; }
.feature-accent p, .feature-accent .feature-number { color: rgba(34,34,34,.65); }
.level-badge { position: absolute; right: 38px; top: 34px; width: 164px; height: 164px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 3px solid var(--ink); border-radius: 50% 47% 52% 45%; transform: rotate(4deg); transition: opacity .7s .25s ease, transform .85s .25s cubic-bezier(.2,.8,.2,1); }
.level-badge span { font-size: 10px; }.level-badge strong { margin: 5px 0; font-size: 37px; letter-spacing: -.08em; }.level-badge small { padding: 4px 9px; color: var(--white); background: var(--ink); border-radius: 999px; font-size: 9px; }

.has-motion .feature-wide .mini-chart path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.has-motion .feature-wide.is-visible .mini-chart path { animation: trace-line 1.25s .28s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .feature-wide .mini-chart circle { opacity: 0; transform: scale(.25); transform-box: fill-box; transform-origin: center; }
.has-motion .feature-wide.is-visible .mini-chart circle { animation: point-arrive .4s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .feature-wide.is-visible .mini-chart circle:nth-child(1) { animation-delay: .48s; }
.has-motion .feature-wide.is-visible .mini-chart circle:nth-child(2) { animation-delay: .7s; }
.has-motion .feature-wide.is-visible .mini-chart circle:nth-child(3) { animation-delay: .92s; }
.has-motion .feature-wide.is-visible .mini-chart circle:nth-child(4) { animation-delay: 1.14s; }
.has-motion .feature:not(.is-visible) .training-rings i { transform: rotate(-115deg); }
.has-motion .feature:not(.is-visible) .training-rings i:nth-child(2) { transform: rotate(250deg); }
.has-motion .feature:not(.is-visible) .training-rings i:nth-child(3) { transform: rotate(-30deg); }
.has-motion .feature:not(.is-visible) .training-rings strong { opacity: 0; transform: scale(.82); }
.has-motion .feature-accent:not(.is-visible) .level-badge { opacity: 0; transform: rotate(-9deg) scale(.9); }

.capabilities { padding: 140px 20px; color: var(--white); background: var(--ink); }
.capability-heading { width: min(100%, var(--max-width)); margin: 0 auto 75px; display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 90px; }
.capability-heading h2 { max-width: 780px; margin: 0; font-size: clamp(43px, 5.3vw, 70px); line-height: 1.1; letter-spacing: -.065em; }
.capability-heading > p { margin: 0 0 8px; color: rgba(255,255,255,.62); font-size: 16px; line-height: 1.85; }
.capability-ledger { width: min(100%, var(--max-width)); margin: 0 auto; display: grid; gap: 22px; }
.capability-chapter { padding: 42px; overflow: hidden; color: var(--ink); border-radius: 34px; background: var(--white); box-shadow: 0 22px 75px rgba(0,0,0,.16); transition: translate .25s ease, box-shadow .25s ease; }
.chapter-header { padding-bottom: 34px; display: grid; grid-template-columns: 94px 1fr auto; align-items: center; gap: 28px; border-bottom: 1px solid rgba(34,34,34,.13); }
.chapter-index { min-height: 66px; display: grid; align-content: space-between; border-right: 1px solid rgba(34,34,34,.16); }
.chapter-index span { font-size: 38px; font-weight: 800; line-height: .9; letter-spacing: -.07em; }
.chapter-index small { color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .18em; }
.chapter-header p { margin: 0 0 6px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.chapter-header h3 { margin: 0; font-size: clamp(27px, 3.1vw, 43px); line-height: 1.1; letter-spacing: -.055em; }
.chapter-tag { padding: 8px 13px; color: var(--muted); border: 1px solid rgba(34,34,34,.18); border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: .08em; transform: rotate(2deg); }
.chapter-body { padding-top: 40px; display: grid; grid-template-columns: 1fr .82fr; align-items: stretch; gap: 50px; }
.chapter-body-reverse { grid-template-columns: .82fr 1fr; }
.chapter-points { display: grid; grid-template-columns: 1fr 1fr; align-content: start; gap: 0 34px; }
.chapter-points article { min-height: 168px; padding: 0 0 25px; border-bottom: 1px solid rgba(34,34,34,.11); }
.chapter-points article:nth-child(n+3) { padding-top: 25px; }
.chapter-points article:last-child:nth-child(odd) { grid-column: 1 / -1; }
.chapter-points span { color: #218f88; font-size: 10px; font-weight: 800; letter-spacing: .11em; }
.chapter-points h4 { margin: 10px 0 8px; font-size: 17px; line-height: 1.42; letter-spacing: -.025em; }
.chapter-points p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.chapter-points-four article:last-child:nth-child(odd) { grid-column: auto; }
.capability-demo { min-height: 350px; padding: 26px; border-radius: 25px; background: var(--paper); box-shadow: inset 0 0 0 1px rgba(34,34,34,.04); }
.demo-topline, .insight-summary, .training-demo-head { display: flex; justify-content: space-between; align-items: center; }
.demo-topline span, .insight-summary span, .training-demo-head span { font-size: 15px; font-weight: 750; letter-spacing: -.02em; }
.demo-topline b { padding: 5px 9px; color: #218f88; border-radius: 999px; background: rgba(78,205,196,.15); font-size: 9px; }
.source-pills { width: max-content; margin: 23px 0 14px; padding: 4px; display: flex; gap: 3px; border-radius: 12px; background: rgba(34,34,34,.06); }
.source-pills span { min-width: 53px; padding: 7px 10px; text-align: center; color: var(--muted); border-radius: 9px; font-size: 10px; }
.source-pills .active { color: var(--white); background: var(--ink); }
.swimmer-row { margin-bottom: 8px; padding: 12px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 11px; border-radius: 15px; background: var(--white); }
.swimmer-row > i { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--sea-soft); font-size: 13px; font-style: normal; font-weight: 800; }
.swimmer-row div { display: grid; gap: 4px; }.swimmer-row strong { font-size: 11px; }.swimmer-row small { color: var(--muted); font-size: 8px; }.swimmer-row > b { color: var(--muted); font-size: 17px; }
.record-line { min-height: 48px; display: grid; grid-template-columns: minmax(0, 1fr) 72px 30px; align-items: center; gap: 10px; border-bottom: 1px solid rgba(34,34,34,.09); font-size: 10px; }
.record-line > span { white-space: nowrap; }
.record-line strong { text-align: right; font-size: 14px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.record-line em { justify-self: end; padding: 3px 5px; color: var(--white); border-radius: 5px; background: var(--red); font-size: 7px; font-style: normal; font-weight: 800; }
.record-line small { width: 30px; color: var(--muted); font-size: 8px; text-align: right; }

.capability-insight { background: var(--sea-soft); }
.capability-insight .chapter-points span { color: var(--ink); }
.capability-insight .chapter-tag { color: var(--ink); border-color: rgba(34,34,34,.28); }
.insight-demo { background: var(--white); }
.insight-summary small { color: var(--muted); font-size: 9px; }
.insight-values { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.insight-values div { padding: 12px; display: grid; gap: 5px; border-radius: 13px; background: var(--paper); text-align: center; }
.insight-values small { color: var(--muted); font-size: 8px; }.insight-values strong { font-size: 17px; font-variant-numeric: tabular-nums; letter-spacing: -.035em; }
.spark-chart { height: 135px; position: relative; margin: 17px 0; overflow: hidden; }
.spark-chart > i { position: absolute; left: 0; right: 0; border-top: 1px dashed rgba(34,34,34,.1); }.spark-chart > i:nth-child(1){top:25%}.spark-chart > i:nth-child(2){top:50%}.spark-chart > i:nth-child(3){top:75%}
.spark-chart svg { position: relative; z-index: 1; width: 100%; height: 100%; overflow: visible; }
.spark-chart path { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.spark-chart circle { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.standard-progress { padding-top: 15px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 5px 15px; border-top: 1px solid rgba(34,34,34,.1); }
.standard-progress span { font-size: 9px; font-weight: 700; }.standard-progress span i { width: 7px; height: 7px; margin-right: 6px; display: inline-block; border-radius: 50%; background: var(--sea); }.standard-progress strong { font-size: 12px; }.standard-progress small { grid-column: 2; color: var(--muted); font-size: 8px; }

.training-demo { display: flex; flex-direction: column; background: var(--ink); color: var(--white); }
.training-demo-head small { color: rgba(255,255,255,.52); font-size: 9px; }
.timer-orbit { width: 190px; height: 190px; position: relative; margin: 22px auto; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.08); border-radius: 50%; }
.timer-orbit::before { content: ""; position: absolute; inset: 9px; border: 8px solid rgba(255,255,255,.1); border-top-color: var(--sea); border-right-color: var(--sea); border-radius: 50%; transform: rotate(22deg); transition: transform 1.1s .3s cubic-bezier(.2,.8,.2,1); }
.timer-orbit > span { position: absolute; right: 23px; top: 20px; width: 12px; height: 12px; border: 3px solid var(--ink); border-radius: 50%; background: var(--sea); transition: opacity .4s .75s ease, transform .4s .75s cubic-bezier(.2,.8,.2,1); }
.timer-orbit div { position: relative; display: grid; gap: 5px; text-align: center; }.timer-orbit strong { font-size: 39px; font-variant-numeric: tabular-nums; letter-spacing: -.055em; }.timer-orbit small { color: rgba(255,255,255,.48); font-size: 8px; letter-spacing: .08em; }
.training-meta { display: grid; grid-template-columns: repeat(3, 1fr); }
.training-meta span { padding: 0 10px; display: grid; gap: 5px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }.training-meta span:last-child { border: 0; }.training-meta small { color: rgba(255,255,255,.45); font-size: 8px; }.training-meta b { font-size: 10px; }
.training-actions { margin-top: auto; padding-top: 22px; display: grid; grid-template-columns: .65fr 1.35fr; gap: 8px; }.training-actions span, .training-actions b { min-height: 38px; display: grid; place-items: center; border-radius: 12px; font-size: 9px; }.training-actions span { background: rgba(255,255,255,.1); }.training-actions b { color: var(--ink); background: var(--sea-soft); }
.archive-strip { margin-top: 38px; padding-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid rgba(34,34,34,.13); }
.archive-strip div { padding-right: 40px; display: grid; grid-template-columns: 130px 1fr; gap: 25px; }.archive-strip div + div { padding: 0 0 0 40px; border-left: 1px solid rgba(34,34,34,.13); }
.archive-strip span { font-size: 11px; font-weight: 800; }.archive-strip p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.has-motion .capability-insight .spark-chart path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.has-motion .capability-insight.is-visible .spark-chart path { animation: trace-line 1.15s .35s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .capability-insight .spark-chart circle { opacity: 0; transform: scale(.25); transform-box: fill-box; transform-origin: center; }
.has-motion .capability-insight.is-visible .spark-chart circle { animation: point-arrive .38s cubic-bezier(.2,.8,.2,1) forwards; }
.has-motion .capability-insight.is-visible .spark-chart circle:nth-child(1) { animation-delay: .52s; }
.has-motion .capability-insight.is-visible .spark-chart circle:nth-child(2) { animation-delay: .72s; }
.has-motion .capability-insight.is-visible .spark-chart circle:nth-child(3) { animation-delay: .92s; }
.has-motion .capability-insight.is-visible .spark-chart circle:nth-child(4) { animation-delay: 1.12s; }
.has-motion .capability-training:not(.is-visible) .timer-orbit::before { transform: rotate(-148deg); }
.has-motion .capability-training:not(.is-visible) .timer-orbit > span { opacity: 0; transform: scale(.25); }

.growth-loop { width: min(calc(100% - 40px), var(--max-width)); margin: 0 auto; padding: 140px 0; }
.growth-loop-heading { display: grid; grid-template-columns: .7fr 1.3fr; align-items: end; gap: 60px; }
.growth-loop-heading .eyebrow { align-self: start; margin-top: 10px; }
.growth-loop-heading h2 { max-width: 720px; margin: 0; font-size: clamp(42px, 5vw, 66px); line-height: 1.12; letter-spacing: -.06em; }
.growth-steps { margin: 70px 0 0; padding: 0; position: relative; display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; counter-reset: steps; }
.growth-steps::before { content: ""; position: absolute; z-index: 3; left: 9%; right: 9%; top: 82px; height: 2px; background: linear-gradient(90deg, rgba(78,205,196,.18), var(--sea), var(--ink)); transform: scaleX(1); transform-origin: left; transition: transform 1.15s .16s cubic-bezier(.2,.8,.2,1); pointer-events: none; }
.growth-steps li { min-height: 280px; position: relative; padding: 32px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid rgba(34,34,34,.13); background: var(--white); transition: opacity .62s ease, translate .62s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease; }
.growth-steps li:first-child { border-radius: 28px 0 0 28px; }.growth-steps li:last-child { border-radius: 0 28px 28px 0; }
.growth-steps li + li { border-left: 0; }
.growth-steps li::after { content: "↘"; position: absolute; right: 27px; top: 24px; color: var(--sea); font-size: 29px; font-weight: 400; }
.growth-steps li:last-child::after { content: "●"; top: 32px; font-size: 13px; }
.growth-steps span { position: absolute; left: 30px; top: 29px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .14em; }
.growth-steps strong { font-size: 31px; letter-spacing: -.045em; }
.growth-steps p { max-width: 260px; margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.has-motion .growth-steps:not(.is-visible)::before { transform: scaleX(0); }
.has-motion .growth-steps:not(.is-visible) > li { opacity: 0; translate: 0 18px; }
.has-motion .growth-steps.is-visible > li:nth-child(1) { transition-delay: 0s, 0s, 0s; }
.has-motion .growth-steps.is-visible > li:nth-child(2) { transition-delay: .12s, .12s, 0s; }
.has-motion .growth-steps.is-visible > li:nth-child(3) { transition-delay: .24s, .24s, 0s; }

.privacy { padding: 0 20px 140px; }
.privacy-card { width: min(100%, var(--max-width)); min-height: 570px; position: relative; margin: 0 auto; padding: 70px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; overflow: hidden; color: var(--white); border-radius: 42px; background: var(--ink); }
.privacy-card h2 { max-width: 540px; margin: 0; font-size: clamp(45px, 5vw, 68px); line-height: 1.08; letter-spacing: -.065em; }
.eyebrow-light { color: rgba(255,255,255,.6); }
.privacy-copy { position: relative; z-index: 2; }
.privacy-copy > p { color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.85; }
.privacy-copy ul { margin: 35px 0 0; padding: 0; display: grid; gap: 16px; list-style: none; font-size: 14px; }
.privacy-copy li { display: flex; align-items: center; gap: 12px; }
.privacy-copy i { width: 21px; height: 21px; position: relative; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; }
.privacy-copy i::after { content: ""; position: absolute; left: 6px; top: 4px; width: 6px; height: 9px; border: solid var(--sea-soft); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.privacy-actions { margin-top: 32px; display: flex; align-items: center; gap: 22px; }
.privacy-actions a { min-height: 42px; display: inline-flex; align-items: center; gap: 13px; color: rgba(255,255,255,.78); border-bottom: 1px solid rgba(255,255,255,.28); font-size: 12px; font-weight: 700; transition: color .2s ease, border-color .2s ease; }
.privacy-actions a:hover { color: var(--white); border-color: var(--sea-soft); }
.privacy-actions a:first-child { color: var(--sea-soft); }
.privacy-mark { position: absolute; right: -75px; bottom: -155px; width: 420px; height: 420px; border: 2px solid rgba(132,222,210,.13); border-radius: 50%; }
.privacy-mark span { position: absolute; inset: 55px; border: 2px solid rgba(132,222,210,.13); border-radius: 50%; }.privacy-mark span:nth-child(2){inset:110px}.privacy-mark span:nth-child(3){inset:165px;background:rgba(132,222,210,.08)}

.download { padding: 120px 20px 150px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.download-logo { width: 92px; height: 92px; margin-bottom: 30px; padding: 18px; border-radius: 26px; background: var(--white); box-shadow: 0 18px 45px rgba(34,34,34,.09); }
.download h2 { margin: 0; font-size: clamp(48px, 6vw, 78px); line-height: 1.08; letter-spacing: -.07em; }
.download > p:not(.eyebrow) { max-width: 500px; margin: 25px auto 32px; color: var(--muted); line-height: 1.8; }
.store-button { min-width: 196px; min-height: 62px; padding: 9px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 13px; color: var(--white); border-radius: 17px; background: var(--ink); box-shadow: 0 12px 30px rgba(34,34,34,.16); transition: transform .25s ease, box-shadow .25s ease, scale .14s ease-out; }
.store-button:hover { transform: translateY(-3px); box-shadow: 0 17px 36px rgba(34,34,34,.21); }
.store-button:not(.store-button-disabled):active { scale: .96; }
.store-button > span:last-child { display: grid; gap: 1px; text-align: left; }
.store-button small { font-size: 9px; font-weight: 550; line-height: 1; letter-spacing: .02em; }
.store-button strong { font-size: 20px; line-height: 1.1; letter-spacing: -.035em; }
.store-symbol { width: 30px; height: 30px; flex: 0 0 auto; object-fit: contain; filter: brightness(0) invert(1); }
.store-button-disabled { opacity: .48; box-shadow: none; }
.store-button-disabled:hover { transform: none; box-shadow: none; }
.mobile-store-bar { display: none; }

footer { width: min(calc(100% - 40px), var(--max-width)); min-height: 110px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-brand { color: var(--ink); }
.footer-brand-group { display: grid; gap: 8px; }
.footer-brand-group p { margin: 0; font-size: 10px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; font-size: 10px; }
.footer-links a { min-height: 24px; display: flex; align-items: center; transition: color .2s ease; }
.footer-links a:hover { color: var(--ink); }
.footer-legal { display: grid; justify-items: end; gap: 6px; text-align: right; }
.footer-legal p { margin: 0; }
.footer-legal a { min-height: 24px; display: inline-flex; align-items: center; border-bottom: 1px solid rgba(34,34,34,.18); transition: color .2s ease, border-color .2s ease; }
.footer-legal a:hover { color: var(--ink); border-color: var(--ink); }

.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
.js .feature.reveal { transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1), translate .25s ease, box-shadow .25s ease; }
.js .capability-chapter.reveal { transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1), translate .25s ease, box-shadow .25s ease; }

@keyframes enter-copy { from { opacity: 0; transform: translateY(24px); } }
@keyframes enter-phone { from { opacity: 0; transform: translateY(35px) rotate(-2deg); } }
@keyframes water-orbit { to { transform: rotate(360deg) scale(1.025); } }
@keyframes water-orbit-reverse { to { transform: rotate(-360deg) scale(.98); } }
@keyframes phone-float { from { transform: translateY(0) rotate(2.5deg); } to { transform: translateY(-7px) rotate(1.8deg); } }
@keyframes scribble-one-drift { from { transform: translate(0, 0) rotate(-18deg); } to { transform: translate(8px, 6px) rotate(-10deg); } }
@keyframes scribble-two-drift { from { transform: translate(0, 0) rotate(0); } to { transform: translate(-7px, 9px) rotate(24deg); } }
@keyframes trace-line { to { stroke-dashoffset: 0; } }
@keyframes point-arrive { to { opacity: 1; transform: scale(1); } }
@keyframes pb-arrive { from { opacity: 0; transform: translateY(14px) rotate(-8deg) scale(.9); } to { opacity: 1; transform: translateY(0) rotate(-4deg) scale(1); } }

@media (hover: hover) and (pointer: fine) {
    .feature.reveal.is-visible:hover { translate: 0 -4px; box-shadow: 0 25px 58px rgba(34,34,34,.09); }
    .capability-chapter.reveal.is-visible:hover { translate: 0 -4px; box-shadow: 0 30px 84px rgba(0,0,0,.22); }
    .growth-steps.is-visible > li:hover { z-index: 4; translate: 0 -4px; box-shadow: 0 20px 45px rgba(34,34,34,.09); }
}

@media (max-width: 900px) {
    .official-label { display: none; }
    .site-nav a:not(.nav-cta) { display: none; }
    .hero { padding-top: 55px; grid-template-columns: 1fr; gap: 50px; text-align: center; }
    .hero-copy { display: flex; flex-direction: column; align-items: center; }
    .hero-notes { justify-content: center; }
    .hero-visual { min-height: 660px; }
    .pb-sticker { right: max(0px, calc(50% - 230px)); }
    .product-brief { grid-template-columns: 1fr; gap: 35px; }
    .product-brief dl > div:first-child { border-left: 0; }
    .section-heading { display: block; }
    .section-heading h2 { margin-top: 25px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-wide { grid-column: auto; grid-template-columns: 1fr; align-items: end; gap: 40px; }
    .capability-heading { grid-template-columns: 1fr; gap: 35px; }
    .capability-heading > p { max-width: 620px; }
    .chapter-body, .chapter-body-reverse { grid-template-columns: 1fr; }
    .chapter-body-reverse .capability-demo { order: 2; }
    .archive-strip div { grid-template-columns: 1fr; gap: 10px; }
    .growth-loop-heading { grid-template-columns: 1fr; gap: 20px; }
    .privacy-card { padding: 55px 42px; grid-template-columns: 1fr; gap: 45px; }
}

@media (max-width: 600px) {
    .site-header { min-height: calc(66px + env(safe-area-inset-top)); padding-top: env(safe-area-inset-top); }
    .site-header-inner { width: calc(100% - 28px); min-height: 66px; }
    .brand { gap: 8px; font-size: 18px; }
    .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
    .nav-cta { padding: 10px 14px !important; font-size: 12px; }
    .hero { min-height: auto; padding: 58px 0 80px; }
    h1 { font-size: clamp(48px, 14vw, 66px); }
    h1 em::after { bottom: 1px; height: 13px; }
    .hero-intro { font-size: 16px; }
    .hero-actions { flex-direction: column; gap: 15px; }
    .hero-notes { gap: 13px; flex-wrap: wrap; }
    .hero-visual { min-height: 580px; transform: scale(.88); margin: -35px -30px; }
    .phone { width: 330px; min-height: 630px; box-shadow: 15px 20px 0 var(--sea-soft), 0 25px 55px rgba(34,34,34,.14); }
    .pb-sticker { right: calc(50% - 188px); bottom: 28px; min-width: 185px; }
    .product-brief { margin-bottom: 85px; padding: 25px 0; }
    .brief-intro { grid-template-columns: auto 1fr; }
    .product-brief dl { grid-template-columns: 1fr 1fr; row-gap: 24px; }
    .product-brief dl > div { min-height: 58px; padding: 0 14px; }
    .product-brief dl > div:nth-child(3) { border-left: 0; }
    .statement { padding: 100px 20px; }
    .features { padding: 105px 0; }
    .feature-grid { margin-top: 48px; }
    .feature { min-height: 410px; padding: 28px; border-radius: 27px; }
    .feature-wide { min-height: 620px; }
    .feature h3 { font-size: 27px; }
    .mini-chart { height: 210px; padding-left: 45px; }
    .mini-chart::before { left: 44px; }
    .feature-icon { width: 84px; height: 84px; }
    .capabilities { padding: 100px 14px; }
    .capability-heading { margin-bottom: 48px; }
    .capability-chapter { padding: 27px 22px; border-radius: 27px; }
    .chapter-header { grid-template-columns: 58px 1fr; gap: 18px; padding-bottom: 25px; }
    .chapter-index { min-height: 58px; }.chapter-index span { font-size: 29px; }
    .chapter-tag { display: none; }
    .chapter-body { padding-top: 28px; gap: 30px; }
    .chapter-points { grid-template-columns: 1fr; }
    .chapter-points article { min-height: 0; padding: 22px 0; }
    .chapter-points article:first-child { padding-top: 0; }
    .chapter-points article:nth-child(n+3) { padding-top: 22px; }
    .chapter-points article:last-child:nth-child(odd) { grid-column: auto; }
    .chapter-points h4 { font-size: 16px; }
    .capability-demo { min-height: 340px; padding: 20px; }
    .timer-orbit { width: 172px; height: 172px; }
    .archive-strip { grid-template-columns: 1fr; }
    .archive-strip div, .archive-strip div + div { padding: 20px 0; grid-template-columns: 1fr; gap: 8px; border-left: 0; border-bottom: 1px solid rgba(34,34,34,.11); }
    .archive-strip div:last-child { border-bottom: 0; }
    .growth-loop { padding: 100px 0; }
    .growth-steps { margin-top: 45px; grid-template-columns: 1fr; gap: 10px; }
    .growth-steps::before { display: none; }
    .growth-steps li, .growth-steps li:first-child, .growth-steps li:last-child { min-height: 230px; border: 1px solid rgba(34,34,34,.13); border-radius: 24px; }
    .privacy { padding: 0 14px 100px; }
    .privacy-card { min-height: 650px; padding: 45px 26px; border-radius: 30px; }
    .download { padding: 95px 20px 120px; }
    .store-button { min-width: 210px; min-height: 64px; }
    footer { padding: 38px 0; grid-template-columns: 1fr; justify-items: center; gap: 24px; text-align: center; }
    .footer-brand-group { justify-items: center; }
    .footer-links { justify-items: center; }
    .footer-legal { justify-items: center; text-align: center; line-height: 1.6; }
    .has-store-link footer { padding-bottom: calc(104px + env(safe-area-inset-bottom)); }
    .mobile-store-bar { min-height: 68px; position: fixed; z-index: 25; left: 12px; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); padding: 9px 14px 9px 10px; display: grid; grid-template-columns: 46px 1fr auto; align-items: center; gap: 11px; color: var(--white); border: 1px solid rgba(255,255,255,.13); border-radius: 20px; background: rgba(34,34,34,.94); box-shadow: 0 14px 40px rgba(34,34,34,.27); backdrop-filter: blur(18px); }
    .mobile-store-bar img { width: 46px; height: 46px; padding: 8px; border-radius: 13px; background: var(--white); }
    .mobile-store-bar span { display: grid; gap: 3px; }.mobile-store-bar small { color: rgba(255,255,255,.58); font-size: 9px; }.mobile-store-bar strong { font-size: 13px; }
    .mobile-store-bar b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: var(--sea-soft); font-size: 19px; }
}

@media (max-width: 380px) {
    .site-header-inner { width: calc(100% - 22px); }
    .brand-name small { display: none; }
    .nav-cta { padding-inline: 11px !important; }
    h1 { font-size: 45px; }
    .hero-intro { font-size: 15px; }
    .hero-visual { transform: scale(.79); margin: -60px -48px; }
    .capability-chapter { padding-inline: 18px; }
    .chapter-header { grid-template-columns: 50px 1fr; gap: 13px; }
    .chapter-header h3 { font-size: 25px; }
    .capability-demo { padding-inline: 16px; }
    .record-line { gap: 6px; }
    .mobile-store-bar { left: 8px; right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
    .motion-stage > * { opacity: 1; translate: none; }
}
