@font-face { font-family: Caveat; src: url(assets/assets/fonts/Caveat.ttf) format('truetype'); font-display: swap; }
@font-face { font-family: Literata; src: url(assets/assets/fonts/Literata.ttf) format('truetype'); font-display: swap; }
@font-face { font-family: Poppins; src: url(assets/assets/fonts/Poppins-Regular.ttf) format('truetype'); font-display: swap; font-weight: 400; }
@font-face { font-family: Poppins; src: url(assets/assets/fonts/Poppins-Medium.ttf) format('truetype'); font-display: swap; font-weight: 500; }

:root {
  --ink: #282b29; --paper: #fdfdfc; --panel: #edf4ee; --green: #367454;
  --review: #66764f; --quiet: #767d78; --line: #e1e5df; --action-hover: #dfece2;
  --display: Caveat, cursive;
  color: var(--ink); background: var(--paper); color-scheme: light;
  font-family: Arial, sans-serif; font-synthesis: none; letter-spacing: 0;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); transition: background-color .18s ease, color .18s ease; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

.navigation {
  height: 78px; max-width: 1120px; margin: auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.wordmark { font: 34px/1 var(--display); }
.nav-actions { display: flex; align-items: center; gap: 30px; }
.font-toggle {
  border: 0; background: none; color: var(--green); padding: 12px 4px;
  font: 20px/1 var(--display);
}
.quiet-button {
  border: 0; background: none; color: var(--green); padding: 12px 4px;
  font: 20px/1 Caveat, cursive;
}
.quiet-button span { margin-left: 10px; }

.hero {
  min-height: calc(100svh - 78px); padding: 58px 24px 100px; display: flex; flex-direction: column;
  align-items: center; text-align: center;
}
.hero-copy { flex: 0 0 auto; }
h1 { margin: 0 0 8px; font: 100px/.95 var(--display); font-weight: 400; }
p { margin: 0; }
.intro { font: 29px/1.3 var(--display); }
.supporting {
  max-width: 540px; margin: 18px auto 16px; color: var(--quiet);
  font: 22px/1.45 var(--display);
}
.app-action {
  min-height: 48px; padding: 7px 15px; border: 0; border-radius: 4px;
  background: var(--panel); color: var(--green); font: 27px/1.2 var(--display);
}
.app-action span { margin-left: 10px; }
.app-action:hover { background: var(--action-hover); }
.status { min-height: 22px; padding: 4px; color: #a45c57; font-size: 12px; }

.product-scene {
  width: min(440px, 100%); margin-top: 76px; text-align: left;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.demo-app-bar {
  height: 54px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--line);
}
.demo-plan-name {
  min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font: 22px/1 var(--display);
}
.menu-glyph, .sound-toggle, .more-button {
  width: 38px; height: 38px; padding: 0; border: 0; background: transparent; color: var(--quiet);
}
.more-button { cursor: default; }
.menu-glyph { display: grid; place-content: center; gap: 3px; }
.menu-glyph span { width: 17px; height: 1px; background: currentColor; }
.demo-text-button {
  min-height: 42px; padding: 5px 4px; border: 0; background: transparent;
  color: var(--green); font: 21px/1.15 var(--display);
}
.demo-text-button:hover { background: var(--panel); }
.sound-toggle { display: grid; place-items: center; }
.sound-glyph {
  width: 19px; height: 19px; background: currentColor;
  -webkit-mask: url('assets/assets/icons/volume-2.svg') center / contain no-repeat;
  mask: url('assets/assets/icons/volume-2.svg') center / contain no-repeat;
}
.sound-toggle[aria-pressed="false"] .sound-glyph {
  opacity: .7;
  -webkit-mask-image: url('assets/assets/icons/volume-x.svg');
  mask-image: url('assets/assets/icons/volume-x.svg');
}
.scene-heading {
  min-height: 68px; padding: 17px 4px 13px; display: flex; align-items: baseline;
  justify-content: space-between; gap: 20px;
}
.scene-heading span { font: 27px/1.1 var(--display); }
.scene-heading small { color: var(--quiet); font-size: 10px; }
.scene-task { padding: 7px 0 6px; border-bottom: 1px solid var(--line); transition: background-color .16s ease, opacity .16s ease; }
.task-main { min-height: 42px; display: grid; grid-template-columns: 36px minmax(0, 1fr) 38px; align-items: center; gap: 8px; }
.task-main > span { font: 23px/1.15 var(--display); }
.scene-task.is-done .task-main > span {
  color: var(--quiet); text-decoration: line-through; text-decoration-color: var(--green);
}
.task-check {
  width: 19px; height: 19px; padding: 0; border: 1px solid var(--green);
  border-radius: 2px; background: transparent; color: var(--green);
  font: 12px/17px Arial, sans-serif;
}
.reading-link {
  min-height: 32px; padding: 4px 0 4px 10px; border: 0; background: none;
  color: var(--green); font: 18px/1 var(--display);
}
.reading-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.review-link { color: var(--review); }
.task-meta { padding-left: 44px; display: flex; align-items: center; justify-content: space-between; }
.task-meta > button:first-child {
  min-height: 32px; padding: 4px 0; border: 0; background: transparent;
  color: var(--quiet); font-size: 10px;
}
.demo-normal-actions, .demo-focus-actions { min-height: 48px; display: flex; align-items: center; justify-content: space-between; }
.product-scene.focus-mode .scene-heading { display: none; }
.product-scene.focus-mode .scene-task:not(.focus-target) { display: none; }
.product-scene.focus-mode .task-list { min-height: 416px; padding: 26px 4px 18px; }
.product-scene.focus-mode .focus-target { padding: 15px 10px; border: 1px solid var(--line); }
.product-scene.focus-mode .demo-normal-actions { display: none; }
.product-scene:not(.focus-mode) .demo-focus-actions { display: none; }

.principle { max-width: 840px; margin: auto; padding: 72px 40px 84px; border-top: 1px solid var(--line); }
.principle h2 { max-width: 650px; margin: 0 0 16px; font: 42px/1.15 var(--display); font-weight: 400; }
.principle p { max-width: 600px; color: var(--quiet); font: 23px/1.45 var(--display); }
footer {
  max-width: 840px; margin: auto; padding: 26px 40px; display: flex;
  align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line);
}
.makers { color: var(--quiet); font: 19px/1.3 var(--display); }
.makers a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }

.reading-backdrop { position: fixed; z-index: 5; inset: 0; background: #282b2940; }
.reading-panel {
  position: fixed; z-index: 6; top: 0; right: 0; width: min(460px, 100%);
  height: 100svh; overflow-y: auto; border-left: 1px solid var(--line);
  background: var(--panel); box-shadow: -12px 0 36px #00000012;
}
.reading-panel header {
  height: 64px; padding: 0 22px; display: flex; align-items: center;
  justify-content: space-between; border-bottom: 1px solid var(--line);
  color: var(--green); font: 20px var(--display);
}
.close-button {
  width: 40px; height: 40px; border: 0; background: transparent;
  color: var(--quiet); font-size: 25px;
}
.reading-content { padding: 56px 40px 80px; }
.reading-kicker { margin-bottom: 12px; color: var(--green); font-size: 10px; text-transform: uppercase; }
.reading-content h2 { margin: 0 0 34px; font: 36px/1.15 var(--display); font-weight: 400; }
.reading-content #reading-body p { margin-bottom: 22px; font: 16px/1.8 Literata, serif; }
.reading-open { overflow: hidden; }

dialog {
  max-width: calc(100% - 24px); max-height: calc(100svh - 32px);
  padding: 40px 12px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); color: var(--ink);
}
dialog::backdrop { background: #282b2940; backdrop-filter: blur(3px); }
dialog > .close-button { position: absolute; top: 4px; right: 8px; }
#app-loading {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: var(--paper); font: 30px var(--display);
}
.app-active { overflow: hidden; }
.cl-rootBox, .cl-cardBox { max-width: 100%; }
.cl-cardBox { box-shadow: none; }

@media (max-width: 600px) {
  .navigation { height: 68px; padding: 0 24px; }
  .hero { min-height: 690px; padding: 38px 20px 70px; }
  h1 { font-size: 82px; }
  .intro { font-size: 25px; }
  .supporting { font-size: 20px; }
  .product-scene { margin-top: 58px; }
  .nav-actions { gap: 12px; }
  .font-toggle, .quiet-button { font-size: 17px; }
  .scene-heading span { font-size: 23px; }
  .task-main > span { font-size: 20px; }
  .task-meta { padding-left: 44px; }
  .principle { padding: 52px 24px 60px; }
  .principle h2 { font-size: 34px; }
  footer { padding: 24px; flex-wrap: wrap; }
  .reading-content { padding: 42px 26px 70px; }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8ece8; --paper: #151816; --panel: #202621; --green: #83c99e;
    --review: #a8bb83; --quiet: #a4ada7; --line: #39413b; --action-hover: #2a372d; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #e8ece8; --paper: #151816; --panel: #202621; --green: #83c99e;
  --review: #a8bb83; --quiet: #a4ada7; --line: #39413b; --action-hover: #2a372d; color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-font="poppins"] { --display: Poppins, Arial, sans-serif; }

@media (prefers-reduced-motion: no-preference) {
  .app-action, .demo-text-button, .font-toggle, .quiet-button {
    transition: background-color .16s ease, color .16s ease, border-color .16s ease;
  }
}