/* Tinyglot — tinyglot.dqnotes.com
   One motion vocabulary for the whole site: strong ease-out for anything
   arriving, strong ease-in-out for anything moving on screen, nothing over
   300ms in the interface, and no motion at all for keyboard actions. */

:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --press: 160ms;
  --quick: 180ms;
  --base: 240ms;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-rounded: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;

  --page: #ffffff;
  --page-2: #f7f7f8;
  --text: #171717;
  --text-2: #5e5e64;
  --text-3: #8e8e93;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.12);
  --surface: #ffffff;
  --surface-2: #f5f5f7;
  --surface-3: #ececef;
  --shadow-window: 0 0 0 0.5px rgba(0, 0, 0, 0.14), 0 2px 6px rgba(0, 0, 0, 0.04), 0 24px 64px -12px rgba(0, 0, 0, 0.18);
  --shadow-pop: 0 0 0 0.5px rgba(0, 0, 0, 0.12), 0 8px 24px -4px rgba(0, 0, 0, 0.16), 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 0 0 0.5px rgba(0, 0, 0, 0.1), 0 10px 30px -8px rgba(0, 0, 0, 0.14);

  --button: #171717;
  --button-text: #ffffff;
  --button-2: rgba(0, 0, 0, 0.05);
  --accent: #0a7aff;
  --row-active: rgba(10, 122, 255, 0.09);
  --row-hover: rgba(0, 0, 0, 0.035);
  --teal: #2f7d88;
  --teal-soft: rgba(47, 125, 136, 0.1);
  --coral: #e8743f;
  --saved: #c4359c;
  --saved-soft: rgba(196, 53, 156, 0.1);
  --focus: 0 0 0 3px rgba(10, 122, 255, 0.35);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0b0b0c;
    --page-2: #111113;
    --text: #f2f2f3;
    --text-2: #a3a3a9;
    --text-3: #75757b;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --surface: #1a1a1c;
    --surface-2: #222225;
    --surface-3: #2c2c30;
    --shadow-window: 0 0 0 0.5px rgba(255, 255, 255, 0.12), 0 24px 64px -12px rgba(0, 0, 0, 0.7);
    --shadow-pop: 0 0 0 0.5px rgba(255, 255, 255, 0.14), 0 12px 32px -4px rgba(0, 0, 0, 0.6);
    --shadow-card: 0 0 0 0.5px rgba(255, 255, 255, 0.12), 0 12px 32px -8px rgba(0, 0, 0, 0.6);
    --button: #f2f2f3;
    --button-text: #0b0b0c;
    --button-2: rgba(255, 255, 255, 0.08);
    --accent: #3b95ff;
    --row-active: rgba(59, 149, 255, 0.16);
    --row-hover: rgba(255, 255, 255, 0.04);
    --teal: #5fb3bf;
    --teal-soft: rgba(95, 179, 191, 0.14);
    --coral: #ff9466;
    --saved: #f06ac8;
    --saved-soft: rgba(240, 106, 200, 0.16);
    --focus: 0 0 0 3px rgba(59, 149, 255, 0.45);
  }
}

@media (prefers-contrast: more) {
  :root { --text-2: #3a3a3f; --line: rgba(0, 0, 0, 0.2); --line-strong: rgba(0, 0, 0, 0.3); }
  @media (prefers-color-scheme: dark) {
    :root { --text-2: #cfcfd4; --line: rgba(255, 255, 255, 0.24); --line-strong: rgba(255, 255, 255, 0.34); }
  }
}

* { box-sizing: border-box; }
[hidden]:not(.popover) { display: none !important; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 16px/1.55 var(--font);
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--row-active); }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 8px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 680px; margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */

.button {
  -webkit-appearance: none; appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: 12px; border: 0;
  font: 500 15px/1 var(--font); letter-spacing: -0.01em; text-decoration: none; white-space: nowrap;
  background: var(--button); color: var(--button-text); cursor: pointer;
  transition: transform var(--press) var(--ease-out), background-color var(--quick) ease, opacity var(--quick) ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.button:active { transform: scale(0.97); }
.button.secondary { background: var(--button-2); color: var(--text); }
.button.small { height: 34px; padding: 0 14px; border-radius: 10px; font-size: 14px; }
.button svg { width: 16px; height: 16px; flex: none; }
.button[aria-disabled="true"] { opacity: 0.45; cursor: default; pointer-events: none; }
@media (hover: hover) and (pointer: fine) {
  .button:hover { opacity: 0.88; }
  .button.secondary:hover { opacity: 1; background: var(--surface-3); }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--page) 78%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(16px); backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 0.5px solid transparent;
  transition: border-color var(--base) ease;
}
.site-header[data-scrolled="true"] { border-bottom-color: var(--line); }
@media (prefers-reduced-transparency: reduce) { .site-header { background: var(--page); -webkit-backdrop-filter: none; backdrop-filter: none; } }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 650 17px/1 var(--font-rounded); letter-spacing: -0.02em; }
.brand img { width: 28px; height: 28px; }
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  text-decoration: none; color: var(--text-2); font-size: 14px; padding: 6px 10px; border-radius: 8px;
  transition: color var(--quick) ease, background-color var(--quick) ease;
}
@media (hover: hover) and (pointer: fine) { .site-nav a:hover { color: var(--text); background: var(--button-2); } }
@media (max-width: 640px) { .site-nav { display: none; } .site-header .button { margin-left: auto; } }

/* ---------- Hero ---------- */

.hero { padding: 88px 0 56px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px 0 6px;
  border-radius: 999px; background: var(--surface-2); color: var(--text-2); font-size: 13px; font-weight: 500;
  box-shadow: inset 0 0 0 0.5px var(--line);
}
.eyebrow img { width: 20px; height: 20px; border-radius: 6px; }
.hero h1 {
  font: 700 clamp(40px, 6.4vw, 68px)/1.04 var(--font-rounded);
  letter-spacing: -0.035em; margin: 22px auto 0; max-width: 820px; text-wrap: balance;
}
.hero h1 .soft { color: var(--text-3); }
.hero .lede {
  font-size: clamp(17px, 2vw, 20px); line-height: 1.5; color: var(--text-2);
  max-width: 600px; margin: 22px auto 0; text-wrap: pretty; letter-spacing: -0.015em;
}
.hero .actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 32px; }
.hero .fineprint { margin-top: 14px; font-size: 13px; color: var(--text-3); }

/* A one-time arrival on load: rare, so it may take a little delight. */
@media (prefers-reduced-motion: no-preference) {
  .arrive { opacity: 0; transform: translateY(10px); filter: blur(4px); animation: arrive 700ms var(--ease-out) forwards; }
  .arrive:nth-child(2) { animation-delay: 60ms; }
  .arrive:nth-child(3) { animation-delay: 120ms; }
  .arrive:nth-child(4) { animation-delay: 180ms; }
  .arrive:nth-child(5) { animation-delay: 240ms; }
  .arrive.late { animation-delay: 320ms; animation-duration: 900ms; }
}
@media (prefers-reduced-motion: reduce) {
  .arrive { animation: fade-in 400ms ease both; }
}
@keyframes arrive { to { opacity: 1; transform: none; filter: none; } }
@keyframes fade-in { from { opacity: 0; } }

/* ---------- The lesson demo (a faithful sketch of the Mac app) ---------- */

.stage { padding: 8px 0 24px; }
.window {
  position: relative; max-width: 1000px; margin: 0 auto; border-radius: 16px; overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-window); text-align: left;
}
.titlebar {
  display: flex; align-items: center; gap: 14px; height: 52px; padding: 0 14px 0 16px;
  border-bottom: 0.5px solid var(--line);
}
.lights { display: flex; gap: 8px; flex: none; }
.lights i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.12); }
.lights i:nth-child(2) { background: #febc2e; }
.lights i:nth-child(3) { background: #28c840; }
.titlebar .title { font: 600 14px/1.2 var(--font); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* Segmented control. The selected look is a second copy of the labels,
   clipped to the selected segment, so text color and fill change together. */
.segmented {
  position: relative; margin-left: auto; flex: none; display: inline-grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  padding: 2px; border-radius: 9px; background: var(--surface-3);
}
.segmented button, .segmented .overlay span {
  -webkit-appearance: none; appearance: none; border: 0; background: none; cursor: pointer;
  height: 26px; padding: 0 12px; font: 500 13px/26px var(--font); color: var(--text-2); white-space: nowrap; text-align: center;
  -webkit-tap-highlight-color: transparent;
}
.segmented button:focus-visible { border-radius: 7px; }
.segmented .overlay {
  position: absolute; inset: 2px; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; pointer-events: none;
  clip-path: inset(0 var(--clip-right, 66.66%) 0 var(--clip-left, 0%) round 7px);
  transition: clip-path var(--base) var(--ease-in-out);
}
.segmented .overlay::before {
  content: ""; position: absolute; inset: 0; border-radius: 7px; background: var(--surface);
  box-shadow: 0 0.5px 2px rgba(0, 0, 0, 0.12), 0 0 0 0.5px rgba(0, 0, 0, 0.04);
}
.segmented .overlay span { position: relative; color: var(--text); }
.segmented.instant .overlay { transition: none; }

.lesson { display: grid; grid-template-columns: minmax(0, 1fr) 260px; min-height: 520px; }
.lesson-main { min-width: 0; border-right: 0.5px solid var(--line); display: flex; flex-direction: column; }

.video {
  position: relative; margin: 16px 16px 0; aspect-ratio: 12 / 5; border-radius: 12px; overflow: hidden;
  background: radial-gradient(120% 140% at 15% 0%, #3c8d97 0%, #1f5560 45%, #13323a 100%);
  isolation: isolate;
}
.video[data-lang="ja"] { background: radial-gradient(120% 140% at 85% 0%, #e7a3b5 0%, #9a5a7c 45%, #3e2a45 100%); }
.video[data-lang="zh"] { background: radial-gradient(120% 140% at 50% 0%, #f0b26b 0%, #b8673a 45%, #4a2a22 100%); }
.video .scene {
  position: absolute; inset: 0; z-index: -1; opacity: 0.55;
  background:
    radial-gradient(40% 60% at 80% 110%, rgba(255, 255, 255, 0.22), transparent 70%),
    radial-gradient(30% 50% at 10% 100%, rgba(255, 255, 255, 0.12), transparent 70%);
}
/* Glee peeks in from the edge of the frame, clear of the controls. */
.video .peek { position: absolute; right: 16px; bottom: 44px; width: 18%; max-width: 104px; }
.video .caption {
  position: absolute; left: 50%; bottom: 46px; transform: translateX(-50%); max-width: 80%;
  padding: 4px 10px; border-radius: 6px; background: rgba(0, 0, 0, 0.55); color: #fff;
  font: 500 15px/1.4 var(--font); text-align: center;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.controls {
  position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 10px; padding: 24px 12px 10px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.32), transparent);
}
.play {
  -webkit-appearance: none; appearance: none; width: 30px; height: 30px; border-radius: 50%; border: 0; flex: none;
  display: grid; place-items: center; background: rgba(255, 255, 255, 0.92); color: #111; cursor: pointer;
  transition: transform var(--press) var(--ease-out);
}
.play:active { transform: scale(0.94); }
.play svg { width: 12px; height: 12px; }
.play .icon-pause { display: none; }
.play[aria-pressed="true"] .icon-play { display: none; }
.play[aria-pressed="true"] .icon-pause { display: block; }
.track { position: relative; flex: 1; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.28); overflow: hidden; }
.track i { position: absolute; inset: 0; background: #fff; transform-origin: 0 50%; transform: scaleX(0); }
.clock { font: 500 12px/1 var(--font); font-variant-numeric: tabular-nums; color: rgba(255, 255, 255, 0.9); }

.transcript { list-style: none; margin: 0; padding: 12px 10px 16px; flex: 1; }
.transcript.swap { animation: swap var(--base) var(--ease-out); }
@keyframes swap { from { opacity: 0; filter: blur(2px); } }
.row {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 4px 10px; padding: 9px 10px; border-radius: 10px;
  transition: background-color var(--quick) ease;
}
.row[data-active="true"] { background: var(--row-active); }
.row .time {
  -webkit-appearance: none; appearance: none; border: 0; background: none; cursor: pointer; padding: 2px 0 0; text-align: left;
  font: 500 12px/1.6 var(--font); font-variant-numeric: tabular-nums; color: var(--text-3);
}
.row[data-active="true"] .time { color: var(--accent); }
.row .text { font: 400 17px/1.5 var(--font); color: var(--text); letter-spacing: -0.01em; }
.row[lang="zh"] .text, .row[lang="ja"] .text { letter-spacing: 0.01em; }
.row .gloss { grid-column: 2; font-size: 13px; color: var(--text-3); line-height: 1.4; }
@media (hover: hover) and (pointer: fine) { .row:not([data-active="true"]):hover { background: var(--row-hover); } }

/* A word worth exploring: quiet until the pointer finds it. */
.word {
  -webkit-appearance: none; appearance: none; border: 0; background: none; padding: 0 1px; margin: 0 -1px; font: inherit; color: inherit;
  letter-spacing: inherit; cursor: pointer; border-radius: 4px;
  text-decoration: underline dotted var(--text-3); text-decoration-thickness: 1.5px; text-underline-offset: 4px;
  transition: background-color var(--quick) ease, color var(--quick) ease;
  -webkit-tap-highlight-color: transparent;
}
.word:focus-visible { box-shadow: var(--focus); }
@media (hover: hover) and (pointer: fine) { .word:hover { background: var(--row-hover); } }
.word[aria-expanded="true"] { background: var(--row-active); }
.word[data-saved="true"] { text-decoration: underline solid var(--saved); text-decoration-thickness: 2px; background: var(--saved-soft); }

.side { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.side h3 { margin: 2px 0 0; font: 600 13px/1.2 var(--font); color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.count {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px;
  background: var(--surface-3); color: var(--text-2); font: 600 12px/1 var(--font); font-variant-numeric: tabular-nums;
}
.saved-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.saved-list li {
  padding: 10px 12px; border-radius: 10px; background: var(--surface-2); box-shadow: inset 0 0 0 0.5px var(--line);
  transition: opacity var(--base) var(--ease-out), transform var(--base) var(--ease-out);
}
@starting-style { .saved-list li { opacity: 0; transform: translateY(-4px) scale(0.98); } }
.saved-list .term { font-weight: 600; font-size: 15px; display: flex; align-items: baseline; gap: 8px; }
.saved-list .term small { font-weight: 400; font-size: 12px; color: var(--text-3); }
.saved-list .meaning { font-size: 13px; color: var(--text-2); margin-top: 2px; }
.saved-list .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--saved); flex: none; align-self: center; }
.empty-hint { font-size: 13px; color: var(--text-3); line-height: 1.5; margin: 0; }
.empty-hint b { color: var(--text-2); font-weight: 500; }
.side .to-review { margin-top: auto; }

/* The explanation popover grows out of the word it explains. */
.popover {
  position: absolute; z-index: 5; width: 300px; max-width: calc(100% - 24px); padding: 14px 16px 14px;
  border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-pop);
  transform-origin: var(--origin-x, 50%) var(--origin-y, 0%);
  transition: opacity var(--quick) var(--ease-out), transform var(--quick) var(--ease-out);
}
.popover[hidden] { display: block; visibility: hidden; opacity: 0; transform: scale(0.96); pointer-events: none; transition-duration: 120ms; }
.popover.instant, .popover.instant[hidden] { transition: none; }
.popover header { display: flex; align-items: center; gap: 8px; }
.popover .label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--text-2); }
.popover .label svg { width: 13px; height: 13px; color: var(--teal); }
.popover .close {
  -webkit-appearance: none; appearance: none; margin-left: auto; width: 24px; height: 24px; border-radius: 6px; border: 0;
  background: none; color: var(--text-3); cursor: pointer; display: grid; place-items: center;
}
@media (hover: hover) and (pointer: fine) { .popover .close:hover { background: var(--button-2); color: var(--text); } }
.popover .close svg { width: 12px; height: 12px; }
.popover .headword { margin-top: 10px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.popover .headword strong { font: 650 22px/1.2 var(--font-rounded); letter-spacing: -0.01em; }
.popover .headword span { font-size: 13px; color: var(--text-2); }
.popover .meaning { font-size: 15px; font-weight: 500; margin-top: 2px; }
.popover .explanation { font-size: 14px; line-height: 1.55; color: var(--text-2); margin: 8px 0 0; min-height: 3.1em; }
.popover .explanation .tok { transition: opacity 260ms var(--ease-out), filter 260ms var(--ease-out); }
.popover .explanation .tok.pending { opacity: 0; filter: blur(2px); }
.popover footer { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.popover footer .note { font-size: 11px; color: var(--text-3); margin-left: auto; }
.popover .save[data-saved="true"] { background: var(--saved-soft); color: var(--saved); }

.demo-caption { text-align: center; color: var(--text-3); font-size: 13px; margin: 18px 0 0; }

@media (max-width: 820px) {
  .lesson { grid-template-columns: 1fr; min-height: 0; }
  .lesson-main { border-right: 0; border-bottom: 0.5px solid var(--line); }
  .side .to-review { margin-top: 4px; }
  .titlebar .title { display: none; }
}
@media (max-width: 520px) {
  .window { border-radius: 14px; }
  .video { aspect-ratio: 16 / 9; margin: 12px 12px 0; }
  .video .caption { font-size: 13px; bottom: 44px; }
  .row { grid-template-columns: 1fr; gap: 2px; }
  .row .gloss { grid-column: 1; }
  .row .text { font-size: 16px; }
  .segmented button, .segmented .overlay span { padding: 0 9px; }
}

/* ---------- Sections ---------- */

section { padding: 104px 0; }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.kicker { font: 600 13px/1 var(--font); color: var(--teal); letter-spacing: 0; text-transform: none; }
.section-head h2 {
  font: 700 clamp(30px, 4.2vw, 44px)/1.1 var(--font-rounded); letter-spacing: -0.03em;
  margin: 12px 0 0; text-wrap: balance;
}
.section-head p { color: var(--text-2); font-size: 18px; margin: 16px 0 0; text-wrap: pretty; }
.band { background: var(--page-2); border-top: 0.5px solid var(--line); border-bottom: 0.5px solid var(--line); }

/* Review demo */
.review-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; max-width: 920px; margin: 0 auto; }
.review-copy h2 { font: 700 clamp(28px, 3.4vw, 36px)/1.12 var(--font-rounded); letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
.review-copy p { color: var(--text-2); margin: 12px 0 0; }
.review-copy ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.review-copy li { display: flex; gap: 10px; color: var(--text-2); font-size: 15px; }
.review-copy li svg { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--teal); }
kbd {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 5px;
  font: 500 12px/1 var(--font); color: var(--text-2); background: var(--surface); box-shadow: inset 0 0 0 0.5px var(--line-strong), 0 1px 0 var(--line-strong);
}

.deck { position: relative; height: 360px; }
.deck::before, .deck::after {
  content: ""; position: absolute; inset: 14px 18px -10px; border-radius: 20px; background: var(--surface);
  box-shadow: var(--shadow-card); transform: rotate(-3deg); opacity: 0.7;
}
.deck::after { transform: rotate(2.5deg); opacity: 0.85; inset: 8px 10px -4px; }
.card {
  position: absolute; inset: 0; z-index: 1; border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 28px 28px 22px;
}
.card .face { display: flex; flex-direction: column; align-items: center; transition: opacity var(--base) var(--ease-out), transform var(--base) var(--ease-out), filter var(--base) var(--ease-out); }
.card.leaving .face { opacity: 0; transform: translateX(-12px); filter: blur(2px); transition-duration: 140ms; }
.card.entering .face { opacity: 0; transform: translateX(12px); filter: blur(2px); transition: none; }
.card.instant .face { transition: none; }
.card .lang { font-size: 12px; font-weight: 600; color: var(--text-3); }
.card .front { font: 650 44px/1.15 var(--font-rounded); letter-spacing: -0.01em; margin: 10px 0 0; }
.card .reading { font-size: 15px; color: var(--text-2); margin-top: 4px; min-height: 1.4em; }
.card .answer { margin-top: 14px; display: grid; gap: 6px; transition: opacity var(--base) var(--ease-out), filter var(--base) var(--ease-out), transform var(--base) var(--ease-out); }
.card .answer[data-shown="false"] { opacity: 0; filter: blur(4px); transform: translateY(4px); pointer-events: none; }
.card.instant .answer { transition: none; }
.card .answer .meaning { font-size: 17px; font-weight: 600; }
.card .answer .context { font-size: 14px; color: var(--text-2); max-width: 30ch; }
.card .actions { position: absolute; left: 20px; right: 20px; bottom: 20px; display: flex; justify-content: center; gap: 8px; }
.card .ratings { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; width: 100%; }
.card .ratings button { height: 46px; flex-direction: column; gap: 2px; padding: 0; font-size: 14px; }
.card .ratings button small { font-size: 11px; font-weight: 400; color: var(--text-3); }
.card .progress-dots { position: absolute; top: 18px; right: 20px; display: flex; gap: 4px; }
.card .progress-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--surface-3); transition: background-color var(--quick) ease; }
.card .progress-dots i[data-done="true"] { background: var(--teal); }

@media (max-width: 820px) { .review-demo { grid-template-columns: 1fr; gap: 40px; } .deck { max-width: 420px; width: 100%; margin: 0 auto; } }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 0 0 0.5px var(--line); }
.feature { background: var(--page); padding: 28px 28px 32px; }
.band .feature { background: var(--page-2); }
.feature svg { width: 22px; height: 22px; color: var(--teal); }
.feature h3 { font: 650 17px/1.3 var(--font); letter-spacing: -0.015em; margin: 16px 0 0; }
.feature p { font-size: 15px; color: var(--text-2); margin: 6px 0 0; text-wrap: pretty; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* Privacy */
.promise { display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: center; max-width: 880px; margin: 0 auto; }
.promise img { width: 220px; height: 220px; border-radius: 52px; box-shadow: var(--shadow-card); }
.promise h2 { font: 700 clamp(28px, 3.6vw, 38px)/1.12 var(--font-rounded); letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
.promise ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.promise li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--text-2); }
.promise li svg { width: 18px; height: 18px; margin-top: 3px; color: var(--teal); }
.promise li b { color: var(--text); font-weight: 600; }
@media (max-width: 720px) { .promise { grid-template-columns: 1fr; gap: 28px; text-align: left; } .promise img { width: 140px; height: 140px; border-radius: 34px; } }

/* Pricing */
.price-card {
  max-width: 460px; margin: 0 auto; padding: 36px; border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-card);
  text-align: center;
}
.price-card .icon { width: 72px; height: 72px; margin: 0 auto; }
.price-card h3 { font: 650 20px/1.2 var(--font-rounded); margin: 16px 0 0; }
.price { font: 700 56px/1 var(--font-rounded); letter-spacing: -0.04em; margin: 14px 0 0; font-variant-numeric: tabular-nums; }
.price-note { font-size: 14px; color: var(--teal); font-weight: 600; margin: 10px 0 0; }
.price small { font: 500 15px/1 var(--font); letter-spacing: -0.01em; color: var(--text-3); margin-left: 6px; }
.price-card ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; text-align: left; }
.price-card li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 15px; color: var(--text-2); }
.price-card li svg { width: 16px; height: 16px; margin-top: 4px; color: var(--teal); }
.price-card .actions { display: grid; gap: 8px; margin-top: 28px; }
.price-card .button { height: 48px; }
.price-card .fineprint { margin-top: 14px; font-size: 13px; color: var(--text-3); }

/* FAQ */
.faq { border-top: 0.5px solid var(--line); }
.faq details { border-bottom: 0.5px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 4px; display: flex; align-items: center; gap: 16px;
  font: 600 17px/1.35 var(--font); letter-spacing: -0.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { width: 14px; height: 14px; margin-left: auto; flex: none; color: var(--text-3); transition: transform var(--quick) var(--ease-out); }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq .answer { padding: 0 4px 22px; color: var(--text-2); max-width: 62ch; }
.faq .answer p { margin: 0; }
.faq .answer p + p { margin-top: 10px; }
.faq .answer a { color: var(--accent); text-decoration: none; }
.faq .answer a:hover { text-decoration: underline; }

/* Closing + footer */
.closing { text-align: center; padding: 120px 0 112px; }
.closing img { width: 96px; height: 96px; margin: 0 auto; border-radius: 24px; }
.closing h2 { font: 700 clamp(32px, 4.6vw, 48px)/1.08 var(--font-rounded); letter-spacing: -0.035em; margin: 24px 0 0; text-wrap: balance; }
.closing p { color: var(--text-2); font-size: 18px; margin: 14px 0 0; }
.closing .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; }

.site-footer { border-top: 0.5px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--text-3); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-left: auto; }
.site-footer a { text-decoration: none; color: var(--text-2); }
.site-footer a:hover { color: var(--text); }

/* Prose pages (privacy) */
.prose { padding: 72px 0 96px; }
.prose h1 { font: 700 clamp(34px, 5vw, 44px)/1.1 var(--font-rounded); letter-spacing: -0.03em; margin: 0; }
.prose .updated { color: var(--text-3); font-size: 14px; margin: 10px 0 0; }
.prose h2 { font: 650 20px/1.3 var(--font-rounded); letter-spacing: -0.015em; margin: 40px 0 0; }
.prose p, .prose li { color: var(--text-2); }
.prose p { margin: 12px 0 0; }
.prose ul { margin: 12px 0 0; padding-left: 20px; display: grid; gap: 6px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; }
.prose a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .button:active, .play:active { transform: none; }
  .popover, .popover[hidden] { transform: none; }
  .card.leaving .face, .card.entering .face { transform: none; filter: none; }
  .card .answer[data-shown="false"] { transform: none; filter: none; }
  .saved-list li { transition: opacity var(--base) ease; }
  @starting-style { .saved-list li { transform: none; } }
  .segmented .overlay { transition: none; }
  .transcript.swap { animation-name: fade-in; }
}