:root {
  color-scheme: light dark;
  --page: #f4faff;
  --ink: #19394e;
  --muted: #506d80;
  --line: #d5e6f1;
  --blue: #1179b8;
  --button: #0878b9;
  --button-text: #fff;
  --stage: #dcedf8;
  --window: #fcfeff;
  --toolbar: #edf6fc;
  --sidebar: #eaf4fb;
  --selected: #cde6f7;
  --field: #edf6fc;
  --privacy: #e2f1fb;
  --shadow: 0 20px 64px #263e4914, 0 2px 8px #263e490a;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  background: var(--page);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; }
[hidden] { display: none !important; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button, a { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 5px; }
button:disabled { cursor: default; }
p, h1, h2, h3 { margin: 0; }
svg { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; padding: 10px 16px; background: var(--window); border: 1px solid var(--line); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { border-bottom: 1px solid var(--line); }
.nav { min-height: 92px; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 600; white-space: nowrap; }
.nav nav { display: flex; align-items: center; gap: 30px; margin-left: auto; font-size: 15px; }
.nav nav a { color: var(--muted); }
.nav a:hover { color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 26px; }
.github-link { display: inline-block; color: var(--muted); font-size: 15px; line-height: inherit; white-space: nowrap; }
.nav-download { font-size: 15px; font-weight: 550; padding-left: 30px; border-left: 1px solid var(--line); white-space: nowrap; }
.nav-download span { margin-left: 7px; }
.hero { display: grid; grid-template-columns: 1fr 1.25fr; gap: 58px; align-items: center; padding-block: 104px 86px; }
.eyebrow { font-size: 12px; font-weight: 650; line-height: 1.5; letter-spacing: .13em; color: var(--muted); }
.hero .eyebrow { max-width: 28em; }
h1 { font-size: clamp(54px, 5.7vw, 76px); line-height: 1.07; font-weight: 550; margin-top: 24px; }
.hero-description { margin-top: 26px; font-size: 19px; line-height: 1.65; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 13px 21px; border-radius: 9px; font-size: 15px; font-weight: 550; line-height: 1.4; min-height: 48px; }
.primary { background: var(--button); color: var(--button-text); border: 1px solid transparent; }
.primary:hover { background: var(--blue); }
.button svg { width: 19px; height: 19px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 550; line-height: 1.5; }
.text-link:hover { color: var(--blue); }
.compatibility { margin-top: 16px; font-size: 13px; color: var(--muted); }
.product-stage { min-width: 0; padding: 27px 24px 19px; background: var(--stage); border-radius: 24px; }
.preview-switch { display: flex; gap: 4px; width: max-content; max-width: 100%; margin: 0 auto 24px; padding: 4px; border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent); border-radius: 9px; }
.preview-switch button { background: transparent; border: 0; border-radius: 6px; padding: 8px 14px; font-size: 14px; line-height: 1.5; color: var(--muted); }
.preview-switch button[aria-selected=true] { color: var(--ink); background: var(--window); box-shadow: 0 1px 4px #0000000c; }
.mac-window { overflow: hidden; border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent); border-radius: 11px; background: var(--window); box-shadow: var(--shadow); }
.window-bar { height: 43px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-inline: 15px; background: var(--toolbar); border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 550; }
.window-bar>svg { width: 17px; height: 17px; color: var(--muted); }
.traffic-lights { display: flex; gap: 6px; }
.traffic-lights i { width: 9px; height: 9px; border-radius: 50%; background: #d2a19a; }
.traffic-lights i:nth-child(2) { background: #d6bf82; }
.traffic-lights i:nth-child(3) { background: #96b5a3; }
.preview-panel { display: flex; min-height: 410px; }
.mock-sidebar { position: relative; width: 140px; padding-top: 19px; flex: none; background: var(--sidebar); border-right: 1px solid var(--line); }
.sidebar-label { display: block; padding-inline: 17px; font-size: 12px; color: var(--muted); }
.file-selected { display: flex; align-items: center; gap: 7px; padding: 9px 8px; margin: 11px 8px; background: var(--selected); border-radius: 6px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.file-selected svg { width: 15px; height: 15px; color: var(--blue); }
.sidebar-footer { position: absolute; left: 17px; bottom: 17px; font-size: 11px; color: var(--muted); }
.mock-message { padding: 23px 25px 25px; min-width: 0; flex: 1; }
.message-type { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.read-dot { height: 5px; width: 5px; background: var(--blue); border-radius: 50%; }
.mock-message h2 { font-size: 18px; line-height: 1.3; font-weight: 600; margin-block: 13px 17px; }
.sender { display: flex; align-items: center; gap: 9px; }
.avatar { width: 30px; height: 30px; display: grid; place-items: center; font-size: 12px; border-radius: 50%; background: var(--stage); color: var(--blue); }
.sender strong, .sender div>span { display: block; font-size: 12px; line-height: 1.55; }
.sender strong { font-weight: 550; }
.sender div>span { color: var(--muted); }
.message-copy { font-size: 13px; line-height: 1.7; margin-top: 22px; }
.message-copy p+p { margin-top: 13px; }
.mock-attachment { display: flex; align-items: center; gap: 7px; padding: 9px 11px; margin-top: 20px; background: var(--field); border-radius: 5px; font-size: 12px; }
.mock-attachment svg { width: 16px; height: 16px; color: var(--blue); }
.attachment-arrow { margin-left: auto; color: var(--muted); }
.preview-caption { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 20px; font-size: 11px; color: var(--muted); }
.preview-label { display: inline-flex; align-items: center; gap: 6px; }
.preview-label::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: currentColor; }
.capture-panel { position: relative; flex-direction: column; justify-content: center; padding: 30px; }
.capture-heading { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; }
.capture-heading>svg { color: var(--blue); width: 25px; height: 25px; }
.capture-heading h2 { font-size: 20px; font-weight: 600; }
.capture-fields { margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 7px; background: var(--field); font-size: 14px; }
.capture-fields>div { display: flex; gap: 16px; padding: 10px 14px; }
.capture-fields>div+div { border-top: 1px solid var(--line); }
.capture-fields dt { width: 48px; flex: none; color: var(--muted); }
.capture-fields dd { margin: 0; overflow-wrap: anywhere; }
.capture-body { font-size: 13px; margin-block: 20px; }
.capture-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.small-button { padding: 9px 14px; background: var(--button); color: var(--button-text); border: 0; border-radius: 6px; font-size: 13px; }
.small-button:hover { background: var(--blue); }
.plain-button { background: none; padding: 6px 0; border: 0; font-size: 13px; color: var(--blue); }
.capture-note { color: var(--muted); font-size: 11px; margin-top: 18px; }
.copy-status { position: absolute; right: 18px; bottom: 9px; font-size: 11px; color: var(--blue); }
.principles { display: grid; grid-template-columns: 1fr 1fr 1.4fr; border-block: 1px solid var(--line); padding-block: 25px; gap: 24px; font-size: 14px; color: var(--muted); }
.principles span+span { border-left: 1px solid var(--line); padding-left: 30px; }
.section { padding-block: 94px; }
.section h2, .privacy-section h2 { font-size: clamp(32px, 3.5vw, 43px); line-height: 1.2; font-weight: 550; margin-top: 20px; }
.reading-section { display: grid; grid-template-columns: 1fr 1fr; column-gap: 110px; }
.section-description { font-size: 19px; line-height: 1.7; }
.secondary-copy { font-size: 15px; line-height: 1.85; color: var(--muted); margin-top: 16px; }
.reading-content { padding-top: 4px; }
.format-line { display: flex; flex-wrap: wrap; gap: 22px; margin-block: 25px 20px; }
.format-line span { font-size: 14px; font-weight: 500; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.reading-content .text-link { font-size: 13px; color: var(--blue); }
.link-section { display: grid; grid-template-columns: 1fr 1fr; column-gap: 110px; border-top: 1px solid var(--line); align-items: center; }
.link-copy .section-description { margin-top: 25px; font-size: 17px; }
.link-copy .text-link { margin-top: 24px; }
.demo-link { background: transparent; border: 0; padding: 0; color: var(--blue); }
.link-illustration { display: flex; flex-direction: column; align-items: center; padding: 38px 20px; min-width: 0; }
.link-token { display: flex; align-items: center; gap: 12px; background: var(--window); border: 1px solid var(--line); padding: 17px 24px; border-radius: 12px; font-size: 15px; box-shadow: 0 4px 16px #263e4905; }
.link-token svg { color: var(--blue); }
.flow-line { display: flex; flex-direction: column; align-items: center; color: #96a4ac; margin-block: 12px; }
.flow-line span { display: block; width: 1px; height: 43px; background: var(--line); }
.flow-line svg { width: 18px; height: 18px; margin-top: -5px; }
.deliberate-choice { display: flex; align-items: center; gap: 18px; background: var(--stage); border: 1px solid color-mix(in srgb, var(--ink) 6%, transparent); padding: 25px 32px; border-radius: 14px; }
.deliberate-choice strong { display: block; font-size: 17px; font-weight: 550; }
.deliberate-choice div>span { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); }
.privacy-section { background: var(--privacy); }
.privacy-inner { display: grid; grid-template-columns: 1fr 1fr; column-gap: 110px; padding-block: 79px; }
.privacy-symbol { width: 36px; height: 36px; color: var(--blue); margin-bottom: 22px; }
.privacy-heading>p:last-child { margin-top: 24px; max-width: 360px; font-size: 16px; color: var(--muted); }
.privacy-points { padding-top: 7px; }
.privacy-points>div+div { margin-top: 24px; }
.privacy-points h3 { font-size: 16px; font-weight: 600; }
.privacy-points p { font-size: 14px; color: var(--muted); margin-top: 5px; }
.privacy-points .text-link { margin-top: 27px; font-size: 13px; color: var(--blue); }
.questions-section { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; }
.questions { margin-top: 3px; }
details { border-bottom: 1px solid var(--line); }
details:first-child { border-top: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 21px; font-size: 16px; line-height: 1.6; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary svg { width: 16px; height: 16px; color: var(--muted); transition: transform .2s; }
details[open] summary svg { transform: rotate(180deg); }
.answer { padding: 0 30px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.answer p+p { margin-top: 12px; }
.answer a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.format-list { overflow-wrap: anywhere; }
kbd { font: inherit; font-size: 13px; white-space: nowrap; margin-inline: 3px; }
.closing { padding-block: 32px 96px; text-align: center; }
.closing img { margin-inline: auto; margin-bottom: 23px; }
.closing h2 { font-size: clamp(38px, 4.5vw, 55px); font-weight: 550; line-height: 1.15; }
.closing p { color: var(--muted); margin-top: 16px; font-size: 17px; }
.closing .button { margin-top: 26px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-footer>div { display: flex; gap: 25px; }
.site-footer a:hover { color: var(--blue); }
.installation { border-top: 1px solid var(--line); padding-block: 76px 90px; }
.installation-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.installation-heading h2 { font-size: clamp(32px, 3.5vw, 43px); font-weight: 550; line-height: 1.2; margin-top: 20px; }
.installation-heading>p { font-size: 16px; line-height: 1.75; color: var(--muted); }
.installation-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 45px; padding: 0; margin: 43px 0 38px; list-style: none; }
.installation-steps li { border-top: 1px solid var(--line); padding-top: 21px; }
.step-number { display: block; color: var(--blue); font-size: 12px; font-weight: 550; margin-bottom: 15px; }
.installation h3 { font-size: 18px; font-weight: 550; line-height: 1.5; }
.installation-steps p { margin-top: 11px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.installation-steps a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.installation strong { color: var(--ink); font-weight: 550; }
.installation-extras { display: grid; grid-template-columns: 1fr 1fr; gap: 45px; }
.installation-extras details { border-top: 1px solid var(--line); }
.installation-extras summary { justify-content: start; font-size: 14px; gap: 8px; }
.installation-extras summary svg { margin-left: auto; }
.installation-extras .answer { padding-right: 12px; }
.optional-label { color: var(--muted); font-size: 12px; font-weight: 400; }
.ready-to-read { margin-top: 29px; font-size: 14px; color: var(--muted); }
@media (prefers-color-scheme: dark) {
  :root { --page: #111e28; --ink: #e1eff8; --muted: #a0b8ca; --line: #2d4557; --blue: #86ccf6; --button: #9bd7ff; --button-text: #123345; --stage: #1b3447; --window: #192b39; --toolbar: #21394c; --sidebar: #1d3243; --selected: #2a4c65; --field: #20394c; --privacy: #182f42; --shadow: 0 20px 64px #00000024, 0 2px 8px #00000014; }
  .primary:hover, .small-button:hover { color: #172a36; }
  .traffic-lights i { opacity: .8; }
}
@media (min-width: 1400px) { .hero { gap: 74px; } }
@media (max-width: 1120px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 35px; grid-template-columns: 1fr 1.15fr; }
  h1 { font-size: 62px; }
  .hero-description { font-size: 17px; }
  .hero-actions { gap: 17px; }
  .mock-sidebar { width: 112px; }
  .file-selected { font-size: 10px; gap: 5px; padding-inline: 6px; margin-inline: 5px; }
  .mock-message { padding: 23px 18px; }
  .product-stage { padding-inline: 17px; }
  .reading-section, .link-section, .privacy-inner { column-gap: 65px; }
  .questions-section { gap: 65px; }
  .section-description { font-size: 17px; }
  .hero .eyebrow { font-size: 11px; }
}
@media (max-width: 850px) {
  .installation { padding-block: 64px; }
  .installation-steps { gap: 26px; }
  .installation-extras { gap: 26px; }
  .hero { grid-template-columns: 1fr; gap: 52px; padding-block: 72px 56px; }
  .hero-copy { max-width: 560px; }
  .hero .eyebrow { font-size: 11px; }
  h1 { font-size: 70px; }
  .hero-description { font-size: 19px; }
  .product-stage { width: 100%; max-width: 620px; padding: 28px 30px 20px; justify-self: center; }
  .mock-sidebar { width: 155px; }
  .file-selected { font-size: 12px; padding-inline: 12px; margin-inline: 8px; gap: 8px; }
  .mock-message { padding: 28px; }
  .mock-message h2 { font-size: 21px; }
  .message-copy { font-size: 14px; }
  .sender strong, .sender div>span, .mock-attachment { font-size: 12px; }
  .reading-section, .link-section, .privacy-inner { column-gap: 40px; }
  .link-illustration { padding-inline: 0; }
  .link-token { padding: 16px; gap: 8px; font-size: 12px; }
  .deliberate-choice { padding: 22px; gap: 12px; }
  .deliberate-choice img { width: 44px; }
  .deliberate-choice strong { font-size: 14px; }
  .questions-section { grid-template-columns: 1fr; gap: 35px; }
  .section { padding-block: 68px; }
  .site-footer>span:last-child { display: none; }
}
@media (max-width: 600px) {
  .installation { padding-block: 50px; }
  .installation-heading { display: block; }
  .installation-heading h2 { font-size: 33px; }
  .installation-heading>p { margin-top: 20px; }
  .installation-heading>p br { display: none; }
  .installation-steps { grid-template-columns: 1fr; gap: 27px; margin-block: 30px; }
  .installation-extras { grid-template-columns: 1fr; gap: 0; }
  .installation-extras details+details { border-top: 0; }
  .wrap { width: calc(100% - 40px); }
  .nav { min-height: 76px; gap: 16px; }
  .brand { font-size: 18px; gap: 8px; }
  .brand img { width: 32px; height: 32px; }
  .nav nav { display: none; }
  .nav-actions { margin-left: auto; gap: 16px; }
  .github-link { padding: 8px 0; font-size: 13px; }

  .nav-download { border: 0; padding: 0; font-size: 13px; }
  .hero { padding-block: 51px 42px; gap: 40px; }
  h1 { font-size: clamp(46px, 12.5vw, 64px); margin-top: 20px; }
  .hero-description { font-size: 17px; margin-top: 23px; }
  .hero-actions { gap: 18px; margin-top: 26px; }
  .hero-actions .text-link { font-size: 13px; }
  .button { font-size: 14px; padding-inline: 17px; }
  .compatibility { font-size: 11px; }
  .product-stage { padding: 20px 13px 16px; border-radius: 16px; }
  .preview-switch { margin-bottom: 18px; }
  .preview-switch button { padding: 7px 11px; font-size: 12px; }
  .window-bar { padding-inline: 12px; height: 38px; }
  .mock-sidebar { display: none; }
  .mock-message { padding: 22px; }
  .mock-message h2 { font-size: 20px; }
  .preview-panel { min-height: 392px; }
  .message-copy { font-size: 13px; }
  .capture-panel { padding: 22px; }
  .capture-fields { font-size: 12px; }
  .capture-fields>div { gap: 10px; padding: 11px; }
  .capture-fields dt { width: 40px; }
  .capture-body { font-size: 12px; }
  .capture-actions { gap: 12px; }
  .small-button, .plain-button { font-size: 11px; }
  .preview-caption { gap: 7px; font-size: 10px; }
  .principles { grid-template-columns: 1fr; gap: 10px; padding-block: 22px; font-size: 13px; }
  .principles span+span { border: 0; padding-left: 0; }
  .reading-section, .link-section, .privacy-inner { grid-template-columns: 1fr; gap: 30px; }
  .section { padding-block: 54px; }
  .section h2, .privacy-section h2 { font-size: 33px; }
  .section-description { font-size: 17px; }
  .link-copy { order: -1; }
  .link-illustration { padding: 17px 0 6px; }
  .link-token { font-size: 14px; padding-inline: 20px; }
  .deliberate-choice { padding-inline: 24px; }
  .deliberate-choice strong { font-size: 16px; }
  .privacy-inner { padding-block: 54px; gap: 29px; }
  .privacy-points { padding: 0; }
  .privacy-heading>p:last-child { max-width: none; }
  .closing { padding-block: 12px 64px; }
  .closing h2 { font-size: 42px; }
  .site-footer { align-items: flex-start; flex-direction: column; padding-block: 25px; gap: 13px; }
  .site-footer>div { gap: 24px; }
}
@media (max-width: 380px) {
  .nav { gap: 12px; }
  .nav-actions { gap: 12px; }
  .brand { font-size: 16px; gap: 6px; }
  .brand img { width: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
.copy-buffer { position: fixed; inset: 0 auto auto 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
