:root {
  color-scheme: light;
  font-family: var(--ms-font-sans);
  color: var(--ms-ink);
  background: var(--ms-paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --page-gutter: clamp(28px, 6.6vw, 112px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 40px; }
body { margin: 0; position: relative; isolation: isolate; }
button, input, a { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button, a, input { outline-offset: 5px; }
:focus-visible { outline: 2px solid var(--ms-green); }
::selection { background: var(--ms-foliage-pale); }
.content-width { width: min(1160px, calc(100% - var(--page-gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: 20px; z-index: 50; padding: 16px; background: var(--ms-porcelain); border: 1px solid var(--ms-green); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { height: 112px; display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 3; }
.wordmark { font-family: var(--ms-font-editorial); font-size: 31px; letter-spacing: -.055em; line-height: 1; }
.header-nav { display: flex; align-items: center; gap: 24px; }
.nav-link { font-size: 14px; padding-block: 12px; }
.header-cta { min-height: 42px; padding: 10px 17px; }
.hero { position: relative; min-height: 710px; height: calc(100svh - 112px); max-height: 920px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.sky-art { background: url('assets/sky.webp') center / cover no-repeat; position: fixed; inset: 0; height: 100lvh; z-index: -1; opacity: .62; pointer-events: none; }
.hero-content { text-align: center; padding-bottom: 100px; }
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; line-height: 1.6; color: var(--ms-secondary); margin: 0 0 29px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--ms-font-editorial); font-weight: 400; }
h1 { font-size: clamp(48px, 5.6vw, 84px); letter-spacing: -.055em; line-height: 1.09; margin-bottom: 28px; }
h1 span { font-style: italic; font-size: .9em; letter-spacing: -.052em; }
.hero-copy { font-size: 17px; line-height: 1.75; color: var(--ms-secondary); margin-bottom: 30px; }
.button { min-height: 50px; border: 1px solid transparent; border-radius: var(--ms-radius-control); padding: 14px 21px; display: inline-flex; justify-content: center; align-items: center; gap: 20px; font: 500 14px/1.4 var(--ms-font-sans); transition: background-color 160ms, border-color 160ms; }
.button-primary { background: var(--ms-green); color: var(--ms-porcelain); border-color: var(--ms-green); }
.button-secondary { background: var(--ms-porcelain); color: var(--ms-green); border-color: var(--ms-control-border); }
.button-primary:hover { background: var(--ms-green-hover); border-color: var(--ms-green-hover); }
.button-secondary:hover { background: #edf2e9; }
.hero-cta { min-width: 237px; }
.hero-cta span { font-size: 18px; font-weight: 400; }
.hero-note { font-size: 12px; margin: 15px 0 0; color: var(--ms-secondary); }
.scroll-note { position: absolute; bottom: 46px; display: flex; flex-direction: column; align-items: center; gap: 15px; color: var(--ms-secondary); font-size: 12px; letter-spacing: .025em; }
.story { position: relative; height: 2500px; height: max(2200px, 275svh); padding-top: 26px; scroll-margin-top: 0; }
.story-sticky { position: sticky; top: max(24px, calc((100svh - 740px) / 2)); padding-block: 21px 32px; }
.story-label { border-top: 1px solid var(--ms-border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 34px; font-size: 11px; letter-spacing: .12em; color: var(--ms-secondary); }
.demo-label { text-transform: none; letter-spacing: 0; font-size: 12px; }
.chapters { height: 560px; position: relative; }
.chapter { position: absolute; inset: 0; display: grid; grid-template-columns: minmax(220px, .78fr) minmax(0, 1.25fr); gap: 8.5%; align-items: center; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity 260ms, visibility 260ms; }
.chapter.is-active { visibility: visible; opacity: 1; pointer-events: auto; }
.chapter-copy { padding-bottom: 52px; }
.chapter-number { font-size: 11px; letter-spacing: .13em; color: var(--ms-secondary); margin-bottom: 24px; }
.chapter h2 { font-size: clamp(35px, 3.45vw, 49px); line-height: 1.13; letter-spacing: -.045em; margin-bottom: 22px; }
.chapter-copy > p:not(.chapter-number) { font-size: 16px; line-height: 1.65; color: var(--ms-secondary); max-width: 300px; }
.chapter-copy > .concept-note { font-size: 12px !important; margin-top: 27px; max-width: 235px !important; }
.demo { background: rgba(251, 252, 249, .7); border: 1px solid var(--ms-border); border-radius: 16px; min-width: 0; height: 554px; padding: 29px 30px 22px; position: relative; }
.demo-topline { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--ms-secondary); font-size: 12px; line-height: 1.4; }
.small-pause { color: var(--ms-control-border); font-size: 18px; }
.site-picker { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 33px 0 0; }
.site-choice { background: transparent; border: 1px solid transparent; border-radius: 7px; font-size: 13px; padding: 8px 11px; min-height: 42px; display: flex; align-items: center; gap: 8px; color: var(--ms-secondary); transition: border-color 160ms, background-color 160ms; }
.site-choice[aria-pressed="true"] { border-color: #b6c7b7; background: var(--ms-paper); color: var(--ms-ink); }
.site-choice:hover { border-color: var(--ms-border); }
.site-initial { display: grid; place-items: center; font: italic 21px/1 var(--ms-font-editorial); width: 18px; color: var(--ms-green); }
.demo-pause { text-align: center; }
.pause-message { padding-top: 31px; }
.pause-glyph { display: flex; width: 48px; height: 48px; align-items: center; justify-content: center; gap: 8px; margin: 0 auto 17px; }
.pause-glyph i { height: 32px; width: 5px; border: 1px solid var(--ms-control-border); background: var(--ms-foliage-pale); border-radius: 2px; }
.paused-site { color: var(--ms-secondary); font-size: 12px; margin-bottom: 14px; }
.pause-message h3 { font-size: 40px; letter-spacing: -.035em; line-height: 1.15; margin-bottom: 17px; }
.pause-message > p:last-child { color: var(--ms-secondary); font-size: 13px; line-height: 1.5; margin-bottom: 26px; }
.demo-footnote { margin: 13px 0 0; color: var(--ms-secondary); font-size: 12px; }
.demo-tasks h3 { font-size: 29px; letter-spacing: -.045em; line-height: 1.2; margin: 30px 0 9px; text-align: center; }
.demo-subtitle { text-align: center; color: var(--ms-secondary); font-size: 13px; margin-bottom: 25px; }
.tasks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.task { border: 1px solid var(--ms-border); border-radius: var(--ms-radius-card); background: var(--ms-porcelain); box-shadow: var(--ms-shadow-card); transition: border-color 180ms, background-color 180ms; }
.task:hover { border-color: #a3b5a3; }
.task label { display: flex; align-items: center; gap: 13px; min-height: 69px; padding: 12px 15px; cursor: pointer; }
.task input { appearance: none; -webkit-appearance: none; border: 1px solid var(--ms-control-border); border-radius: 5px; background: var(--ms-porcelain); width: 20px; height: 20px; flex: 0 0 20px; margin: 0; display: grid; place-content: center; cursor: pointer; }
.task input::after { content: ''; width: 8px; height: 4px; border: solid var(--ms-porcelain); border-width: 0 0 2px 2px; transform: translateY(-1px) rotate(-45deg); visibility: hidden; }
.task input:checked { background: var(--ms-green); border-color: var(--ms-green); }
.task input:checked::after { visibility: visible; }
.task:has(input:checked) { background: #edf2e9; }
.task:has(input:checked) .task-title { text-decoration: line-through; text-decoration-thickness: 1px; text-decoration-color: var(--ms-control-border); }
.task-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.task-title { font-size: 15px; line-height: 1.35; font-weight: 500; }
.task-source, .task-estimate { color: var(--ms-secondary); font-size: 11px; line-height: 1.4; }
.task-estimate { margin-left: auto; white-space: nowrap; }
.decision { text-align: center; margin-top: 24px; }
.decision > p { font-size: 12px; color: var(--ms-secondary); margin-bottom: 12px; }
.decision-buttons { display: grid; grid-template-columns: 1.08fr 1fr; gap: 10px; }
.decision-buttons .button { padding: 12px 8px; min-height: 47px; font-size: 14px; }
.feedback { min-height: 19px; font-size: 12px; line-height: 1.5; text-align: center; color: var(--ms-secondary); margin: 13px 0 0; }
.demo-focus { text-align: center; }
.timer-modes { display: flex; justify-content: center; gap: 23px; margin-top: 27px; }
.timer-modes button { border: 0; border-bottom: 1px solid transparent; padding: 7px 2px 9px; background: transparent; color: var(--ms-secondary); font-size: 13px; }
.timer-modes button[aria-pressed="true"] { color: var(--ms-green); border-color: var(--ms-green); }
.timer-modes span { font-size: 11px; margin-left: 6px; }
.timer-dial { height: 230px; width: 230px; position: relative; margin: 24px auto 19px; }
.timer-dial svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-dial circle { fill: none; stroke-width: 1; }
.timer-track { stroke: var(--ms-border); }
.timer-progress { stroke: var(--ms-green); stroke-width: 2 !important; stroke-dasharray: 753.982; stroke-dashoffset: 0; stroke-linecap: round; transition: stroke-dashoffset .3s linear; }
.timer-readout { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; padding-top: 5px; }
#timer-time { font-family: var(--ms-font-editorial); font-size: 66px; font-variant-numeric: tabular-nums; letter-spacing: -.055em; line-height: 1.1; }
#timer-caption { font-size: 12px; color: var(--ms-secondary); margin-top: 11px; }
.focus-task { font-size: 14px; margin-bottom: 23px; }
.timer-actions { display: flex; justify-content: center; gap: 10px; }
#timer-toggle { min-width: 187px; }
.reset-button { width: 50px; border: 1px solid var(--ms-border); border-radius: var(--ms-radius-control); background: transparent; font-size: 24px; font-weight: 300; color: var(--ms-green); }
.reset-button:hover { background: var(--ms-paper); border-color: var(--ms-control-border); }
.chapter-nav { display: flex; gap: 26px; position: absolute; left: 0; bottom: 97px; }
.chapter-nav button { display: flex; flex-direction: column; gap: 10px; text-align: left; background: transparent; border: 0; border-bottom: 1px solid var(--ms-border); padding: 12px 0; min-width: 64px; color: var(--ms-secondary); font-size: 13px; }
.chapter-nav button span { font-size: 11px; color: var(--ms-secondary); }
.chapter-nav button[aria-pressed="true"] { border-bottom-color: var(--ms-green); color: var(--ms-green); }
.chapter-nav button[aria-pressed="true"] span { color: var(--ms-green); }
.story-hint { color: var(--ms-secondary); font-size: 12px; text-align: right; margin: 19px 0 0; }
.garden { position: relative; margin-top: 70px; min-height: 820px; height: max(820px, 67vw); max-height: 1160px; isolation: isolate; display: flex; flex-direction: column; align-items: center; }
.garden-art-wrap { position: absolute; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }
.garden-art { width: 100%; height: 100%; object-fit: cover; object-position: center bottom; mask-image: linear-gradient(to bottom, transparent 0%, rgb(0 0 0 / .08) 16%, rgb(0 0 0 / .65) 36%, black 62%); }
.garden-copy { text-align: center; padding-top: 90px; width: min(620px, 62%); }
.garden-copy .eyebrow { margin-bottom: 25px; }
.garden h2 { font-size: clamp(40px, 4.6vw, 65px); letter-spacing: -.05em; line-height: 1.12; margin-bottom: 30px; }
.garden-copy > p:last-child { font-size: 12px; color: var(--ms-secondary); margin: 17px 0 0; }
.footer-bottom { margin-top: auto; width: 100%; padding: 38px var(--page-gutter); display: flex; align-items: center; justify-content: space-between; background: var(--ms-paper); border-top: 1px solid rgb(145 172 147 / 20%); }
.footer-bottom .wordmark { font-size: 27px; }
.footer-bottom p { font-size: 12px; color: var(--ms-secondary); margin: 0; }
.footer-bottom > a:last-child { font-size: 12px; display: flex; gap: 20px; align-items: center; }
.landing-anchor { position: absolute; left: 92%; top: 58%; width: 1px; height: 1px; }
.butterfly { position: fixed; left: 0; top: 0; width: 48px; height: 48px; z-index: 2; pointer-events: none; opacity: 0; will-change: transform; transform-origin: 54% 60%; }
.butterfly.ready { opacity: .94; }
.butterfly img { width: 100%; height: 100%; object-fit: contain; transform-origin: 54% 60%; animation: wing-flex 3.8s ease-in-out infinite; }
.butterfly.is-landed img { animation-duration: 14s; }
@keyframes wing-flex { 0%, 18%, 100% { transform: scaleX(1); } 53% { transform: scaleX(.88); } }
body.is-hidden .butterfly img { animation-play-state: paused; }
@media (min-width: 1650px) { .chapter h2 { font-size: 49px; } }
@media (min-width: 761px) and (max-width: 1399px) {
  :root { --page-gutter: 90px; }
  .butterfly { width: 36px; height: 36px; }
}
@media (max-width: 1100px) and (min-width: 761px) {
  :root { --page-gutter: 84px; }
  .butterfly { width: 36px; height: 36px; }
  .chapter { grid-template-columns: .7fr 1.15fr; gap: 5%; }
  .demo { padding: 25px 20px 18px; }
  .chapter h2 { font-size: 37px; }
  .chapter-copy > p:not(.chapter-number) { font-size: 15px; }
  .chapter-nav { gap: 16px; }
  .site-picker { gap: 1px; }
  .site-choice { font-size: 12px; padding-inline: 7px; gap: 4px; }
  .demo-tasks h3 { font-size: 27px; }
  .task label { gap: 10px; padding-inline: 11px; }
  .task-estimate { display: none; }
  .decision-buttons { grid-template-columns: 1fr; gap: 7px; }
  .decision-buttons .button { min-height: 42px; padding: 10px 6px; }
  .demo-tasks .decision { margin-top: 16px; }
  .demo-tasks .feedback { margin-top: 9px; }
  .demo-tasks h3 { margin-top: 23px; }
  .demo-subtitle { margin-bottom: 20px; }
  .demo-pause .button { font-size: 13px; padding-inline: 12px; gap: 10px; }
}
@media (max-width: 760px) {
  :root { --page-gutter: 28px; }
  html { scroll-padding-top: 24px; }
  .content-width { width: calc(100% - 72px); margin-left: 24px; margin-right: 48px; }
  .site-header { height: 88px; }
  .wordmark { font-size: 28px; }
  .header-nav { gap: 12px; }
  .nav-link { font-size: 12px; }
  .header-cta { min-height: 38px; padding: 8px 12px; font-size: 12px; }
  .hero { min-height: 660px; height: calc(91svh - 88px); max-height: 780px; }
  .hero-content { padding-bottom: 70px; }
  .hero .eyebrow { max-width: 230px; font-size: 10px; line-height: 1.7; margin: 0 auto 29px; }
  h1 { font-size: clamp(39px, 7.8vw, 57px); line-height: 1.13; margin-bottom: 25px; }
  h1 span { display: inline-block; font-size: .96em; max-width: 550px; }
  .hero-copy { font-size: 16px; line-height: 1.75; margin-bottom: 28px; }
  .hero-cta { min-width: 220px; font-size: 13px; }
  .hero-note { font-size: 11px; }
  .sky-art { background-position: 44% center; }
  .scroll-note { left: 24px; right: 48px; bottom: 28px; font-size: 11px; gap: 12px; }
  .story { height: auto; padding-top: 18px; }
  .story-sticky { position: static; padding-block: 0; }
  .story-label { align-items: flex-start; margin-bottom: 51px; padding-top: 19px; gap: 15px; font-size: 9px; }
  .demo-label { max-width: 105px; text-align: right; font-size: 11px; line-height: 1.4; }
  .chapters { height: auto; }
  .chapter { position: relative; inset: auto; display: grid; grid-template-columns: 1fr; gap: 23px; visibility: visible; opacity: 1; pointer-events: auto; margin-bottom: 90px; scroll-margin-top: 30px; }
  .chapter-copy { padding-bottom: 0; }
  .chapter-number { margin-bottom: 18px; font-size: 10px; }
  .chapter h2 { font-size: clamp(34px, 6.8vw, 46px); line-height: 1.13; margin-bottom: 19px; }
  .chapter-copy > p:not(.chapter-number) { font-size: 16px; line-height: 1.6; max-width: 330px; margin-bottom: 0; }
  .chapter-copy > .concept-note { margin-top: 17px; }
  .demo { height: auto; min-height: 508px; padding: 24px 19px 20px; border-radius: 12px; }
  .demo-topline { font-size: 11px; }
  .site-picker { margin-top: 23px; gap: 3px; }
  .site-choice { font-size: 11px; padding: 7px 6px; gap: 4px; }
  .site-initial { font-size: 18px; width: 14px; }
  .pause-message { padding-top: 25px; }
  .pause-message h3 { font-size: 35px; }
  .pause-message > p:last-child { font-size: 12px; max-width: 220px; margin: 0 auto 24px; }
  .demo-pause > .button { font-size: 12px; gap: 9px; padding-inline: 13px; width: 100%; }
  .demo-footnote { font-size: 11px; }
  .demo-tasks { padding-inline: 14px; }
  .demo-tasks h3 { font-size: 28px; margin-top: 27px; }
  .demo-subtitle { font-size: 12px; line-height: 1.5; max-width: 215px; margin: 0 auto 23px; }
  .task label { padding: 12px 11px; gap: 11px; min-height: 74px; }
  .task-title { font-size: 14px; line-height: 1.4; }
  .task-source { font-size: 11px; }
  .task-estimate { display: none; }
  .decision-buttons { grid-template-columns: 1fr; gap: 8px; }
  .decision-buttons .button { font-size: 13px; min-height: 47px; }
  .decision { margin-top: 22px; }
  .feedback { font-size: 11px; margin-top: 15px; }
  .demo-focus { min-height: 533px; }
  .timer-modes { margin-top: 22px; gap: 20px; }
  .timer-dial { width: 220px; height: 220px; margin-top: 23px; }
  #timer-time { font-size: 61px; }
  .focus-task { font-size: 13px; }
  #timer-toggle { min-width: 170px; font-size: 13px; }
  .chapter-nav, .story-hint { display: none; }
  .garden { margin-top: -10px; min-height: 800px; height: 890px; max-height: none; }
  .garden-art { width: 100%; height: 620px; position: absolute; bottom: 78px; object-fit: cover; object-position: 87% bottom; mask-image: linear-gradient(to bottom, transparent 0%, rgb(0 0 0 / .3) 23%, black 58%); }
  .garden-copy { padding-top: 32px; width: calc(100% - 92px); margin-right: 24px; }
  .garden-copy .eyebrow { font-size: 10px; margin-bottom: 21px; }
  .garden h2 { font-size: clamp(35px, 7.6vw, 49px); margin-bottom: 27px; }
  .garden-copy .button { font-size: 13px; }
  .garden-copy > p:last-child { font-size: 11px; }
  .footer-bottom { padding: 28px 24px; }
  .footer-bottom .wordmark { font-size: 25px; }
  .footer-bottom p { display: none; }
  .footer-bottom > a:last-child { font-size: 11px; gap: 10px; }
  .butterfly { width: 28px; height: 28px; }
}
@media (max-width: 370px) {
  .content-width { width: calc(100% - 65px); margin-left: 18px; margin-right: 47px; }
  h1 { font-size: 36px; }
  .header-nav { gap: 8px; }
  .nav-link { font-size: 11px; }
  .header-cta { padding-inline: 9px; font-size: 11px; }
  .demo { padding-inline: 12px; }
  .site-choice { padding-inline: 4px; }
  .timer-dial { width: 205px; height: 205px; }
  .timer-actions { gap: 7px; }
  #timer-toggle { min-width: 155px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .story { height: auto; }
  .story-sticky { position: static; }
  .chapters { height: auto; }
  .chapter { position: relative; visibility: visible; opacity: 1; pointer-events: auto; margin-block: 50px 100px; }
  .chapter-nav, .story-hint { display: none; }
  .chapter-copy { padding-bottom: 0; }
}
@media (max-height: 739px) and (min-width: 761px) {
  .story { height: auto; }
  .story-sticky { position: static; }
  .chapters { height: auto; }
  .chapter { position: relative; visibility: visible; opacity: 1; pointer-events: auto; margin-block: 50px 100px; }
  .chapter-nav, .story-hint { display: none; }
  .chapter-copy { padding-bottom: 0; }
}
@media (forced-colors: active) {
  .task input { appearance: auto; }
  .task input::after { content: none; }
  .button, .site-choice { border: 1px solid ButtonText; }
  .sky-art, .garden-art, .butterfly { display: none; }
}
