@charset "UTF-8";

:root { --motion-fast:150ms; --motion-normal:210ms; --motion-emphasis:300ms; --motion-success:600ms; --motion-ease:cubic-bezier(.2,.8,.2,1); color-scheme: dark; --background: #0a0a0a; --surface: #141414; --surface-raised: #1c1c1c; --line: #2a2a2a; --text: #f2f2f2; --muted: #9a9a9a; --quiet: #777777; --radius: 16px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: #090909; color: var(--text); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a, input, summary, [tabindex="0"] { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:disabled { cursor: default; opacity: .45; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid #e4e4e4; outline-offset: 5px; }
::selection { background: #464646; color: #ffffff; }
[hidden] { display: none !important; }
.sr-only, .symbol-library { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.icon { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.site-shell { max-width: 1280px; margin: 0 auto; overflow: clip; background: radial-gradient(ellipse 85% 24% at 77% 4%, #1b1b1b66, transparent), var(--background); border-inline: 1px solid #1d1d1d; }
.content-width { width: calc(100% - 112px); max-width: 1120px; margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 18px; background: #eeeeee; color: #111111; border-radius: 8px; }
.skip-link:focus { top: 14px; }
.site-header { position: relative; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 94px; padding: 20px 40px; border-bottom: 1px solid #ffffff10; }
.wordmark { display: flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 650; letter-spacing: -.04em; white-space: nowrap; }
.wordmark img { object-fit: contain; }
.main-nav { display: flex; gap: 30px; padding-left: 36px; color: var(--muted); font-size: 13px; }
.main-nav a:hover, .text-button:hover, .site-footer a:hover { color: #ffffff; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-height: 52px; border-radius: 10px; padding: 13px 23px; font-size: 14px; font-weight: 580; letter-spacing: -.015em; border: 1px solid transparent; transition: background .15s ease, border-color .15s ease, transform .15s ease; white-space: nowrap; }
.button .icon { width: 18px; height: 18px; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #151515; background: #f0f0f0; box-shadow: 0 1px 0 #ffffff30 inset, 0 2px 3px #00000022; }
.button-primary:hover { background: #ffffff; }
.button-secondary { background: #1d1d1d; border-color: #383838; color: #d8d8d8; box-shadow: 0 1px 0 #ffffff06 inset; }
.button-secondary:hover { background: #262626; border-color: #525252; }
.button-small { font-size: 12px; min-height: 42px; padding: 10px 17px; gap: 10px; border-radius: 9px; }
.hero { padding: 90px 24px 50px; text-align: center; }
.eyebrow-pill { display: inline-flex; align-items: center; gap: 9px; min-height: 31px; padding: 6px 13px; border: 1px solid #353535; border-radius: 50px; color: #a5a5a5; background: #ffffff03; text-transform: uppercase; font-size: 9px; font-weight: 530; letter-spacing: .17em; }
.status-dot { width: 5px; height: 5px; display: inline-block; flex-shrink: 0; border-radius: 50%; background: #c7c7c7; }
.pill-separator { color: #6d6d6d; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 31px 0 23px; font-size: clamp(58px, 7.45vw, 96px); font-weight: 640; letter-spacing: -.075em; line-height: 1.02; }
h1 span { color: #868686; }
.hero-description { font-size: clamp(15px, 1.5vw, 18px); color: var(--muted); line-height: 1.8; letter-spacing: -.015em; margin-bottom: 29px; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 13px; }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: 18px 0 0; color: #959595; font-size: 11px; }
.hero-meta span { color: #656565; }
.release-note { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 7px; color: #929292; font-size: 10px; margin-top: 11px; }
.release-note .status-dot { width: 4px; height: 4px; background: #797979; }
.release-note-divider { color: #4e4e4e; margin: 0 2px; }
.demo-section { margin-top: 4px; }
.desktop-demo { height: 430px; position: relative; border: 1px solid #343434; border-radius: 20px; overflow: hidden; isolation: isolate; background: radial-gradient(ellipse at 15% 10%, #3131317a, transparent 65%), linear-gradient(135deg, #1a1a1a, #111111 65%, #1c1c1c); box-shadow: 0 32px 80px -36px #000000, 0 1px 0 #ffffff11 inset; }
.desktop-menu { position: absolute; inset: 0 0 auto; height: 27px; display: flex; align-items: center; gap: 19px; padding: 0 18px; background: #ffffff03; border-bottom: 1px solid #ffffff11; color: #929292; font-size: 8px; user-select: none; }
.desktop-menu-brand { display: flex; gap: 10px; align-items: center; font-weight: 600; color: #b7b7b7; }
.desktop-menu-brand > span { font-size: 8px; }
.desktop-menu-right { margin-left: auto; }
.demo-workarea { position: absolute; top: 38px; right: 18px; bottom: 48px; left: 18px; }
.desktop-watermark { position: absolute; right: 38px; top: 69px; display: flex; flex-direction: column; align-items: center; gap: 12px; opacity: .42; font-weight: 550; font-size: 14px; letter-spacing: -.035em; text-align: center; line-height: 1.3; }
.desktop-watermark img { opacity: .8; }
.demo-window { position: absolute; left: 7%; top: 8%; width: 77%; height: 84%; min-width: 245px; min-height: 150px; background: #121212; border: 1px solid #4c4c4c; border-radius: 12px; box-shadow: 0 24px 42px #00000077, 0 0 0 1px #ffffff04 inset; overflow: hidden; touch-action: none; user-select: none; cursor: grab; }
.demo-window.dragging { cursor: grabbing; }
.demo-window:focus-visible { outline-offset: 2px; }
.demo-titlebar { height: 35px; display: flex; align-items: center; justify-content: space-between; padding: 0 13px; background: #2a2a2a; border-bottom: 1px solid #424242; color: #ababab; font-size: 10px; letter-spacing: .01em; }
.traffic-lights { display: flex; gap: 5px; }
.traffic-lights i { width: 7px; height: 7px; border-radius: 50%; background: #6a6a6a; }
.demo-titlebar-spacer { width: 31px; }
.demo-tabs { display: flex; gap: 3px; margin: 11px 15px 0; padding: 2px; border: 1px solid #333333; background: #1c1c1c; border-radius: 6px; font-size: 8px; color: #a7a7a7; }
.demo-tabs span { flex: 1; text-align: center; padding: 3px 0; white-space: nowrap; }
.demo-tabs .selected { background: #424242; color: #ededed; border-radius: 4px; }
.demo-tabs .demo-question { flex: 0 0 12px; color: #969696; }
.demo-window-content { display: flex; gap: 22px; padding: 20px 23px; height: calc(100% - 72px); }
.demo-settings { flex: 1; min-width: 0; font-size: 10px; }
.demo-settings-heading { display: flex; justify-content: space-between; gap: 15px; font-size: 10px; color: #d5d5d5; margin: 1px 0 11px; font-weight: 600; }
.subtle-label { font-size: 9px; font-weight: 400; color: #969696; }
.demo-setting-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 35px; border-top: 1px solid #ffffff0c; color: #b2b2b2; }
.illustrated-switch { display: inline-block; flex: 0 0 27px; width: 27px; height: 15px; border-radius: 10px; background: #393939; position: relative; border: 1px solid #ffffff0c; }
.illustrated-switch:after { content: ""; position: absolute; width: 10px; height: 10px; top: 1.5px; left: 2px; background: #a1a1a1; border-radius: 50%; box-shadow: 0 1px 2px #00000055; }
.illustrated-switch.on { background: #747474; }
.illustrated-switch.on:after { left: 13px; background: #f1f1f1; }
.demo-settings-footnote { font-size: 8px; color: #717171; padding-top: 12px; line-height: 1.5; }
.gesture-tile { width: 33%; display: flex; flex-direction: column; gap: 15px; align-items: center; justify-content: center; border: 1px solid #3b3b3b; border-radius: 9px; background: linear-gradient(140deg, #252525, #181818); color: #8d8d8d; font-size: 8px; }
.mini-window { position: relative; width: 68%; height: 75px; border: 1px solid #909090; border-radius: 5px; background: #272727; }
.mini-window > div { height: 12px; border-bottom: 1px solid #6d6d6d; background: #4b4b4b; border-radius: 4px 4px 0 0; }
.mini-pointer { position: absolute; top: 32px; left: 40%; width: 15px; height: 15px; stroke-width: 1.8; }
.demo-cursor { position: absolute; left: 50%; top: 52%; width: 23px; z-index: 2; pointer-events: none; filter: drop-shadow(0 2px 3px #000000bb); }
.demo-cursor svg { width: 23px; height: 27px; fill: #eeeeee; stroke: #111111; stroke-width: 1.6; }
.demo-cursor span { position: absolute; top: 22px; left: 24px; display: grid; place-items: center; min-width: 23px; height: 21px; padding: 0 5px; border-radius: 5px; border: 1px solid #797979; background: #353535e8; color: #f1f1f1; font-size: 12px; }
.resize-corner { position: absolute; bottom: 5px; right: 5px; width: 9px; height: 9px; border-right: 1px solid #919191; border-bottom: 1px solid #919191; opacity: 0; }
[data-operation="resize"] .resize-corner { opacity: 1; }
[data-operation="resize"] .demo-window { cursor: nwse-resize; }
[data-operation="maximize"] .demo-window { cursor: pointer; }
.illustrated-dock { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); height: 33px; display: flex; align-items: center; gap: 7px; padding: 3px 8px; border: 1px solid #ffffff15; background: #35353580; border-radius: 9px; }
.illustrated-dock > span { width: 20px; height: 22px; border-radius: 5px; background: linear-gradient(135deg, #79797999, #42424266); }
.demo-toolbar { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 15px; }
.demo-mode-buttons { display: flex; padding: 3px; border-radius: 8px; background: #171717; border: 1px solid #2c2c2c; }
.demo-action { display: flex; align-items: center; gap: 8px; padding: 6px 12px; background: transparent; border: none; border-radius: 5px; color: #9d9d9d; font-size: 11px; }
.demo-action .icon { width: 13px; height: 13px; }
.demo-action.selected { background: #343434; color: #eeeeee; box-shadow: 0 1px 3px #00000033; }
.demo-action:hover { color: #ffffff; }
.replay-button { display: flex; gap: 7px; align-items: center; padding: 7px 10px; background: none; border: 1px solid transparent; border-radius: 6px; color: #b8b8b8; font-size: 11px; }
.replay-button:hover { border-color: #434343; }
.replay-button .icon { width: 12px; height: 12px; }
.demo-caption { margin: 13px 0 0; font-size: 10px; color: #9a9a9a; }
.demo-caption > span { color: #797979; }
.section-space { padding-block: 83px; }
.section-kicker { font-size: 10px; line-height: 1.7; letter-spacing: .16em; text-transform: uppercase; color: #888888; margin: 0 0 18px; font-weight: 500; }
h2 { font-size: clamp(28px, 3.15vw, 40px); font-weight: 570; letter-spacing: -.055em; line-height: 1.12; margin-bottom: 17px; }
.section-intro { color: var(--muted); font-size: 13px; letter-spacing: -.01em; margin: 0; }
.section-heading-row { display: flex; align-items: end; gap: 30px; justify-content: space-between; margin-bottom: 28px; }
.input-tabs { display: flex; flex-shrink: 0; padding: 4px; gap: 3px; border: 1px solid #333333; border-radius: 9px; background: #161616; }
.input-tabs button { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 12px; min-width: 95px; border: 0; border-radius: 5px; color: #9f9f9f; background: none; font-size: 11px; }
.input-tabs .icon { width: 13px; height: 13px; }
.input-tabs button[aria-selected="true"] { color: #eeeeee; background: #3b3b3b; box-shadow: 0 2px 4px #00000033, 0 1px 0 #ffffff11 inset; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { border: 1px solid #313131; border-radius: 12px; background: linear-gradient(140deg, #191919, #151515); padding: 23px 23px 25px; }
.feature-symbol { display: flex; align-items: center; justify-content: space-between; color: #dedede; margin-bottom: 37px; }
.feature-symbol .icon { width: 24px; height: 24px; }
.feature-symbol > span { font-size: 9px; color: #646464; font-variant-numeric: tabular-nums; }
h3 { font-size: 16px; line-height: 1.4; font-weight: 580; letter-spacing: -.03em; margin-bottom: 10px; }
.shortcut { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; font-size: 11px; color: #c5c5c5; margin-bottom: 11px; }
kbd { font-family: inherit; font-size: 12px; color: #d5d5d5; border: 1px solid #494949; border-bottom-width: 2px; min-width: 25px; border-radius: 5px; padding: 1px 6px; background: #2a2a2a; display: inline-flex; justify-content: center; align-items: center; line-height: 1.6; }
.shortcut > span:first-of-type { color: #6a6a6a; font-size: 9px; }
.feature-card p { margin: 0; color: #9a9a9a; font-size: 12px; line-height: 1.8; }
.input-guidance { margin: 15px 0 0; color: #8d8d8d; font-size: 11px; line-height: 1.7; max-width: 900px; }
.quiet-features { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 33px; padding-top: 27px; border-top: 1px solid #252525; gap: 15px; }
.quiet-features > div { display: flex; gap: 11px; align-items: flex-start; }
.quiet-features .icon { width: 16px; height: 16px; margin-top: 2px; color: #9b9b9b; }
.quiet-features p { margin: 0; font-size: 11px; line-height: 1.7; }
.quiet-features strong { display: block; font-weight: 500; color: #c0c0c0; }
.quiet-features p > span { color: #838383; }
.esc-symbol { flex-shrink: 0; font-size: 8px; border: 1px solid #6d6d6d; border-radius: 3px; color: #b3b3b3; padding: 1px 3px; margin-top: 2px; line-height: 1.2; }
.how-section { border-block: 1px solid #272727; background: linear-gradient(125deg, #111111, #12121255 60%, #161616); }
.how-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 40px; }
.how-header h2 { margin: 0; }
.how-header > p { margin: 0 0 4px; font-size: 12px; line-height: 1.9; color: #8e8e8e; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 37px; padding: 0; margin: 0; list-style: none; }
.step-number { display: block; width: 28px; height: 28px; border: 1px solid #404040; border-radius: 50%; text-align: center; line-height: 27px; font-size: 9px; color: #b2b2b2; margin-bottom: 20px; }
.steps-grid h3 { font-size: 15px; }
.steps-grid p { color: #979797; font-size: 12px; line-height: 1.9; margin: 0; min-height: 69px; }
.install-illustration, .permission-illustration, .lesson-illustration { display: flex; align-items: center; gap: 15px; height: 54px; margin-top: 20px; color: #9a9a9a; }
.applications-mark { width: 31px; height: 25px; display: grid; place-items: center; background: #393939; border: 1px solid #6a6a6a; border-radius: 4px; position: relative; font-size: 17px; font-weight: 400; line-height: 1; color: #c3c3c3; }
.applications-mark:before { content: ""; width: 13px; height: 4px; border: 1px solid #6a6a6a; border-bottom: 0; border-radius: 3px 3px 0 0; position: absolute; top: -5px; left: 0; background: #393939; }
.permission-illustration { gap: 9px; font-size: 10px; }
.permission-illustration .icon { width: 15px; height: 15px; padding: 2px; border: 1px solid #767676; border-radius: 50%; }
.permission-illustration .illustrated-switch { margin-left: 5px; }
.lesson-illustration { gap: 10px; font-size: 11px; }
.lesson-illustration .icon { width: 24px; height: 24px; }
.lesson-illustration kbd { font-size: 11px; padding: 3px 8px; }
.privacy-line { display: flex; align-items: center; gap: 9px; margin-top: 33px; border-top: 1px solid #2c2c2c; padding-top: 22px; font-size: 10px; color: #919191; }
.privacy-line .icon { width: 14px; height: 14px; }
.privacy-line p { margin: 0; }
.faq-section { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; }
.faq-aside { font-size: 12px; color: #868686; margin: 0; }
.faq-list details { border-bottom: 1px solid #2a2a2a; }
.faq-list details:first-child { border-top: 1px solid #2a2a2a; }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 18px 0; font-size: 12px; font-weight: 500; color: #cfcfcf; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { font-size: 17px; font-weight: 300; color: #848484; transition: transform .15s; }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-list details p { font-size: 12px; color: #989898; line-height: 1.9; margin: -2px 23px 19px 0; }
.support-section { border-block: 1px solid #292929; background: radial-gradient(ellipse at 10% 90%, #1c1c1c55, transparent 70%); }
.support-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding-block: 45px; }
.support-inner .section-kicker { margin-bottom: 8px; font-size: 9px; }
.support-inner h2 { font-size: 25px; letter-spacing: -.045em; margin: 0 0 10px; }
.support-inner p:last-child { margin: 0; font-size: 12px; color: #959595; }
.support-inner .button { font-size: 12px; min-height: 46px; }
.site-footer { min-height: 89px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #878787; font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.site-footer > div { display: flex; align-items: center; gap: 12px; }
.text-button { background: none; border: 0; padding: 0; color: #a5a5a5; font-size: inherit; }
.footer-divider { color: #515151; }
.preview-label { font-size: 8px; border: 1px solid #383838; border-radius: 4px; padding: 2px 6px; color: #a5a5a5; margin-left: 3px; white-space: nowrap; }

/* Native dialogs keep focus trapped and the background inert without a UI library. */
dialog { width: min(460px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); overflow-y: auto; overscroll-behavior: contain; border: 1px solid #464646; border-radius: 21px; padding: 32px; color: var(--text); background: radial-gradient(ellipse at 0 0, #2e2e2e50, transparent 65%), #161616; box-shadow: 0 35px 120px #000000cc, 0 1px 0 #ffffff0a inset; }
dialog::backdrop { background: #000000bb; backdrop-filter: blur(7px); }
body:has(dialog[open]) { overflow: hidden; }
.dialog-close { position: absolute; top: 15px; right: 15px; display: grid; place-items: center; width: 29px; height: 29px; background: #ffffff06; border: 1px solid #ffffff12; border-radius: 7px; color: #a3a3a3; }
.dialog-close .icon { width: 14px; height: 14px; }
.dialog-close:hover { color: #ffffff; border-color: #ffffff40; }
.dialog-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; font-size: 16px; font-weight: 600; letter-spacing: -.03em; }
.dialog-brand small { display: block; font-size: 10px; font-weight: 400; color: #939393; letter-spacing: 0; margin-top: 1px; }
.dialog-kicker { font-size: 8px; letter-spacing: .12em; margin-bottom: 11px; }
dialog h2 { font-size: 35px; letter-spacing: -.055em; line-height: 1.08; margin-bottom: 15px; }
.dialog-description { font-size: 12px; line-height: 1.9; color: #a4a4a4; margin-bottom: 23px; }
.currency-control { display: flex; padding: 3px; gap: 3px; margin: 0 0 15px; background: #101010; border: 1px solid #353535; border-radius: 9px; }
.currency-control label { flex: 1; cursor: pointer; }
.currency-control input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.currency-control label > span { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 2px; border-radius: 5px; font-size: 10px; color: #989898; }
.currency-control label b { font-size: 8px; font-weight: 500; color: #828282; }
.currency-control input:checked + span { background: #363636; color: #ededed; }
.currency-control input:checked + span b { color: #bdbdbd; }
.currency-control input:focus-visible + span { outline: 2px solid #dddddd; outline-offset: 1px; }
.amount-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin-bottom: 18px; }
.amount-options button { border: 1px solid #3a3a3a; border-radius: 8px; background: #1e1e1e; font-size: 12px; padding: 11px 3px; font-weight: 500; }
.amount-options button[aria-pressed="true"] { background: #ededed; color: #181818; border-color: #ededed; }
.amount-options button:hover { border-color: #949494; }
.custom-amount-label { font-size: 10px; color: #9b9b9b; display: inline-block; margin-bottom: 7px; }
.custom-amount-control { display: flex; align-items: center; gap: 10px; border: 1px solid #3f3f3f; border-radius: 8px; background: #101010; padding: 0 12px; }
.custom-amount-control:focus-within { border-color: #b7b7b7; }
.custom-amount-control input { width: 100%; min-width: 0; background: none; border: 0; outline: 0; color: #eeeeee; padding: 10px 0; font-size: 16px; font-variant-numeric: tabular-nums; }
.custom-amount-control input:focus-visible { outline: 0; }
.custom-amount-control > span:first-child { font-size: 14px; color: #9c9c9c; }
.custom-amount-control > span:last-child { font-size: 10px; color: #7b7b7b; }
.field-error { font-size: 10px; color: #cacaca; min-height: 18px; margin: 5px 0 9px; }
.dialog-primary { width: 100%; font-size: 12px; min-height: 46px; padding: 11px 10px; border-radius: 8px; }
.free-link, .back-link { display: block; margin: 13px auto 0; font-size: 10px; text-decoration: underline; text-underline-offset: 3px; }
.dialog-preview-note { font-size: 9px; color: #959595; text-align: center; margin: 19px 0 0; line-height: 1.6; }
.release-checklist { display: flex; flex-direction: column; padding: 15px; border: 1px solid #393939; border-radius: 10px; gap: 12px; margin: 0 0 25px; color: #c8c8c8; font-size: 11px; }
.release-checklist > span { display: flex; align-items: center; gap: 9px; }
.release-checklist .icon { width: 13px; height: 13px; }
.release-checklist .pending-status { color: #969696; padding-top: 12px; border-top: 1px solid #363636; }
.release-checklist .status-dot { width: 5px; height: 5px; margin-inline: 4px; }
.chosen-amount { font-size: 30px; letter-spacing: -.05em; font-variant-numeric: tabular-nums; margin-bottom: 20px; }
.payment-placeholder { display: flex; align-items: center; gap: 13px; padding: 16px; background: #1f1f1f; border: 1px solid #3c3c3c; border-radius: 10px; margin-bottom: 18px; }
.payment-placeholder .icon { width: 24px; height: 24px; }
.payment-placeholder p { font-size: 11px; line-height: 1.8; color: #b3b3b3; margin: 0; }
.noscript-note { max-width: 750px; margin: 20px auto; padding: 20px; font-size: 13px; color: #bbbbbb; }

@media (min-width: 1400px) { .site-shell { margin-block: 28px; border: 1px solid #2c2c2c; border-radius: 20px; } }
@media (max-width: 1000px) { .content-width { width: calc(100% - 64px); } .main-nav { gap: 22px; padding-left: 0; } .site-header { padding-inline: 28px; } .hero { padding-top: 75px; } .section-heading-row { align-items: start; flex-direction: column; gap: 23px; } .feature-card { padding: 21px 20px; } .feature-symbol { margin-bottom: 30px; } .how-header { align-items: start; } .how-header > p { max-width: 250px; } .steps-grid { gap: 25px; } .demo-window-content { padding: 19px; gap: 15px; } }
@media (max-width: 720px) { .content-width { width: calc(100% - 40px); } .site-header { min-height: 80px; padding: 16px 20px; } .main-nav { display: none; } .hero { padding: 65px 20px 38px; } h1 { font-size: clamp(52px, 10.5vw, 74px); margin-top: 28px; } .hero-description { max-width: 450px; margin-inline: auto; } .desktop-break { display: none; } .desktop-demo { height: 350px; border-radius: 14px; } .demo-window { width: 84%; left: 4%; top: 13%; height: 76%; } .demo-window-content { padding: 13px 16px; } .demo-settings-heading { margin-bottom: 9px; font-size: 9px; } .demo-setting-row { font-size: 9px; min-height: 31px; } .gesture-tile { display: none; } .desktop-watermark { right: 20px; top: 48px; } .desktop-watermark img { width: 55px; height: 55px; } .desktop-watermark span { font-size: 11px; } .demo-cursor { top: 60%; left: 60%; } .demo-caption { font-size: 10px; line-height: 1.8; } .demo-caption > span { display: block; } .feature-grid { grid-template-columns: 1fr; gap: 12px; } .feature-card { padding: 24px; } .feature-symbol { margin-bottom: 19px; } .feature-card h3 { font-size: 18px; } .feature-card p { font-size: 13px; } .shortcut { font-size: 12px; } .quiet-features { grid-template-columns: 1fr; gap: 21px; padding-top: 23px; } .quiet-features p { font-size: 12px; } .quiet-features p > span { display: inline; margin-left: 5px; } .quiet-features strong { display: inline; } .section-space { padding-block: 58px; } h2 { font-size: 31px; } .how-header { flex-direction: column; gap: 19px; margin-bottom: 33px; } .how-header > p { max-width: none; } .steps-grid { grid-template-columns: 1fr; gap: 29px; } .steps-grid li { position: relative; padding-left: 48px; } .step-number { position: absolute; top: 0; left: 0; } .steps-grid p { min-height: 0; } .steps-grid h3 { font-size: 16px; } .install-illustration, .permission-illustration, .lesson-illustration { margin-top: 10px; height: 42px; } .privacy-line { align-items: start; line-height: 1.8; font-size: 11px; } .privacy-line .icon { margin-top: 2px; } .faq-section { grid-template-columns: 1fr; gap: 25px; } .faq-list summary, .faq-list details p { font-size: 13px; } .support-inner { align-items: start; flex-direction: column; gap: 24px; padding-block: 35px; } .support-inner p:last-child { max-width: 330px; line-height: 1.9; } .site-footer { flex-direction: column; align-items: start; padding-block: 25px; gap: 16px; } .site-footer > div { flex-wrap: wrap; gap: 11px; } }
@media (max-width: 400px) { .wordmark { font-size: 16px; gap: 7px; } .wordmark img { width: 32px; height: 32px; } .button-small { padding-inline: 11px; font-size: 10px; min-height: 37px; gap: 7px; } .button-small .icon { width: 14px; height: 14px; } .hero-actions { gap: 9px; } .hero-actions .button { padding-inline: 14px; font-size: 12px; min-height: 47px; gap: 8px; } .hero-meta { font-size: 9px; gap: 6px; } .eyebrow-pill { font-size: 8px; padding-inline: 10px; letter-spacing: .12em; } .desktop-demo { height: 310px; } .demo-workarea { inset: 38px 12px 48px; } .demo-titlebar { padding-inline: 9px; font-size: 8px; height: 31px; } .traffic-lights i { width: 6px; height: 6px; } .demo-tabs { margin-inline: 9px; font-size: 7px; } .demo-window-content { padding: 12px; } .demo-settings-footnote { display: none; } .demo-setting-row { font-size: 8px; min-height: 30px; } .demo-action { padding: 6px 9px; font-size: 10px; gap: 5px; } .replay-button { padding: 7px 3px; font-size: 10px; } dialog { padding: 29px 23px 25px; } dialog h2 { font-size: 32px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } .button:hover { transform: none; } }
@media (forced-colors: active) { .button, .feature-card, dialog, .input-tabs, .demo-window { border: 1px solid CanvasText; } h1 span, .section-kicker { color: CanvasText; } .status-dot, .illustrated-switch.on:after { background: CanvasText; } }

/* Keep every navigation destination available on smaller screens. */
@media (max-width: 720px) {
  .site-header { flex-wrap: wrap; gap: 15px; }
  .main-nav { display: flex; order: 3; width: 100%; justify-content: center; padding: 7px 0 0; gap: 25px; font-size: 12px; }
}
@media (max-width: 360px) { .site-header { padding-inline: 14px; gap: 10px; } .main-nav { gap: 22px; } }
.error-page { min-height: 100dvh; padding: 35px clamp(20px, 5vw, 60px); }
.error-page .hero { padding-inline: 0; }
.error-page .site-footer { flex-wrap: wrap; }
.hero-actions { flex-wrap: wrap; }
@media (max-width: 360px) { .hero h1 { font-size: 48px; } }

/* R5: tactile states keep geometry stable and never depend on hovering. */
.availability-message { display: block; color: #ededed; font-weight: 550; margin-bottom: 8px; }
.main-nav a { position: relative; transition: color .16s ease; }
.main-nav a::after { content: ''; position: absolute; height: 1px; inset: auto 0 -5px; background: currentColor; opacity: .65; transform: scaleX(0); transform-origin: left; transition: transform .18s ease; pointer-events: none; }
.main-nav a:focus-visible::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.feature-card, .doc-feature { transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.feature-card:focus-within, .doc-feature:focus-within { border-color: #686868; }
.faq-list summary, .doc-faq summary { transition: color .16s ease; }
.faq-list summary:focus-visible, .doc-faq summary:focus-visible { color: #f2f2f2; }
@media (hover: hover) and (pointer: fine) {
  .main-nav a:hover::after { transform: scaleX(1); }
  .feature-card:hover, .doc-feature:hover { border-color: #525252; box-shadow: 0 8px 18px -12px #00000099, 0 1px 0 #ffffff08 inset; }
  .faq-list summary:hover, .doc-faq summary:hover { color: #f2f2f2; }
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .feature-card:hover, .doc-feature:hover { transform: translateY(-2px); }
  .button:active:not(:disabled) { transform: translateY(0) scale(.985); }
}
@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
  .button:hover { transform: none; }
  .feature-card, .doc-feature, .main-nav a, .main-nav a::after, .faq-list summary, .doc-faq summary { transition: none; }
}

/* Final hero: two deliberate lines, less space before the demonstration. */
.hero { padding-block:52px 34px; }
.hero h1 { margin:22px 0 20px; font-size:clamp(44px,6.4vw,78px); line-height:1.06; letter-spacing:-.06em; }
.hero h1 .hero-line { display:block; color:inherit; }
.hero h1 .hero-line+span { color:#a2a2a2; }
.hero-description { max-width:660px; margin:0 auto 23px; line-height:1.65; }
@media(max-width:720px) { .hero { padding:38px 20px 28px; }.hero h1 { font-size:clamp(36px,7.5vw,54px); letter-spacing:-.045em; }.hero-description { font-size:15px; } }
html:lang(ja) .hero h1,html:lang(ko) .hero h1,html:lang(zh-Hans) .hero h1 { letter-spacing:-.025em; }
/* Keep Korean words intact when the two hero phrases wrap on mobile. */
html:lang(ko) .hero h1,html:lang(ko) .hero-description { word-break:keep-all; }