:root {
  --white: #fff;
  --mist: #f5f5f7;
  --frost: #fafafc;
  --ink: #1d1d1f;
  --slate: #707070;
  --hairline: #d6d6d6;
  --blue: #0066cc;
  --button-blue: #0071e3;
  --launch: #b64400;
  --radius: 28px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --section-space: clamp(64px, 7.5vw, 108px);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
body:has(dialog[open]) { overflow: hidden; }
[hidden] { display: none !important; }
img, video { display: block; max-width: 100%; height: auto; }
svg { display: block; flex: 0 0 auto; }
a { color: var(--blue); text-underline-offset: 4px; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; }
a:focus-visible, button:focus-visible, summary:focus-visible, video:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
p, h1, h2, h3, figure { margin: 0; }
h1, h2, h3 { font-weight: 600; }
h1, h2, h3, p { overflow-wrap: break-word; }
h2 { font-size: clamp(36px, 4.1vw, 56px); line-height: 1.08; letter-spacing: -1px; }
h3 { font-size: 28px; line-height: 1.15; letter-spacing: -.5px; }
::selection { background: #dceeff; color: var(--ink); }
.container { width: min(100%, 1200px); margin-inline: auto; padding-inline: 30px; }
.section { padding-block: var(--section-space); }
.eyebrow { margin-bottom: 18px; font-size: 17px; font-weight: 600; letter-spacing: -.2px; }
.fine-print { color: var(--slate); font-size: 14px; line-height: 1.6; }
.text-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; font-size: 17px; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link > span { font-size: 21px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 46px; padding: 11px 23px; border: 1px solid transparent; border-radius: 999px; color: var(--white); background: var(--button-blue); font-size: 15px; line-height: 1.4; text-decoration: none; transition: background .18s ease; }
.button:hover { background: #0062c6; }
.button span { font-size: 19px; line-height: 1; }
.button-small { min-height: 44px; padding: 9px 17px; font-size: 13px; gap: 10px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 30; padding: 12px 20px; border-radius: 12px; background: var(--white); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 10; background: var(--white); border-bottom: 1px solid #e6e6e8; }
.header-inner { display: flex; align-items: center; min-height: 72px; gap: 32px; }
.brand { display: inline-flex; align-items: center; min-height: 44px; gap: 9px; color: var(--ink); font-size: 25px; font-weight: 600; letter-spacing: -1px; text-decoration: none; flex-shrink: 0; }
.brand img { object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-size: 13px; text-decoration: none; }
.main-nav a:hover { color: var(--blue); }

.hero { padding-top: 66px; padding-bottom: 74px; text-align: center; }
.hero-eyebrow { margin-bottom: 22px; color: var(--slate); font-size: 17px; font-weight: 400; }
.hero h1 { font-size: clamp(44px, 6.2vw, 80px); line-height: 1.05; letter-spacing: -1.2px; }
.hero-copy { max-width: 750px; margin: 25px auto 0; color: var(--slate); font-size: 20px; line-height: 1.5; letter-spacing: -.25px; }
.hero-actions { display: flex; justify-content: center; align-items: center; gap: 27px; margin-top: 27px; }
.play-icon { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.play-icon path { fill: currentColor; stroke: none; }
.edition-note { margin-top: 19px; font-size: 13px; color: var(--slate); }
.hero-figure { margin-top: 56px; text-align: left; }
.media-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 48px; margin-bottom: 16px; }
.media-label { font-size: 14px; font-weight: 500; color: var(--slate); }
.segmented-control { display: inline-flex; align-items: center; padding: 3px; border-radius: 999px; background: var(--mist); }
.segmented-control button { min-width: 66px; min-height: 38px; padding: 8px 17px; border: 0; border-radius: 999px; background: transparent; color: var(--slate); font-size: 13px; line-height: 1.4; }
.segmented-control button[aria-pressed="true"] { color: var(--ink); background: var(--white); outline: 1px solid var(--hairline); outline-offset: -1px; }
.segmented-control button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.product-frame { position: relative; overflow: hidden; border: 1px solid #e6e6e8; border-radius: var(--radius); background: var(--mist); }
.product-frame > img { width: 100%; }
figcaption { margin-top: 14px; color: var(--slate); text-align: center; font-size: 12px; line-height: 1.6; }
.enlarge-control { position: absolute; bottom: 15px; right: 15px; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 12px; border: 1px solid var(--hairline); border-radius: 50%; color: var(--ink); background: var(--white); }
.enlarge-control:hover { background: var(--mist); }
.enlarge-control svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.highlights, .repeat-section, .control-section, .availability { background: var(--mist); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 44px; }
.section-intro { max-width: 330px; padding-bottom: 4px; color: var(--slate); font-size: 19px; letter-spacing: -.25px; }
.assistant-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.assistant-card { overflow: hidden; padding: 12px 28px 34px; border-radius: var(--radius); background: var(--white); }
.assistant-card > img { width: 100%; max-width: 280px; aspect-ratio: 1; object-fit: contain; margin: 0 auto 12px; }
.assistant-card-copy { padding-inline: 3px; }
.card-kicker { margin-bottom: 10px; color: var(--slate); font-size: 13px; font-weight: 500; }
.assistant-card h3 { font-size: 26px; }
.assistant-card-copy > p:last-child { margin-top: 13px; color: var(--slate); font-size: 16px; line-height: 1.55; }
.section-afterword { margin-top: 35px; color: var(--slate); text-align: center; font-size: 16px; }
.editorial-heading { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: 80px; margin-bottom: 45px; }
.editorial-copy { color: var(--slate); font-size: 19px; letter-spacing: -.2px; }
.editorial-copy .fine-print { margin-top: 18px; letter-spacing: 0; }
.sources-figure .media-toolbar { margin-top: 12px; }
.feature-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.feature-card { display: flex; flex-direction: column; padding: 0 0 28px; border-radius: var(--radius); background: var(--white); overflow: hidden; }
.feature-card-copy { padding: 35px 36px 32px; flex-grow: 1; }
.feature-card h3 { font-size: clamp(26px, 2.5vw, 34px); }
.feature-card-copy > p:not(.card-kicker) { margin-top: 18px; color: var(--slate); }
.feature-card .compact-frame { margin: 0 22px; border-radius: 20px; }
.conversation-note { display: flex; align-items: flex-start; gap: 26px; max-width: 700px; margin: 48px auto 0; }
.conversation-note > svg { width: 48px; height: 48px; fill: none; stroke: var(--blue); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.conversation-note h3 { margin-bottom: 12px; font-size: 26px; }
.conversation-note p { color: var(--slate); }
.control-grid { display: grid; grid-template-columns: .85fr 1.4fr; align-items: center; gap: 58px; }
.control-copy h2 { font-size: clamp(36px, 3.5vw, 48px); }
.control-copy > p:not(.eyebrow) { margin-top: 24px; color: var(--slate); }
.control-copy .text-link { margin-top: 20px; }

.tour-section { text-align: center; }
.tour-intro { margin-top: 20px; margin-bottom: 40px; color: var(--slate); font-size: 21px; }
.tour-video { width: 100%; aspect-ratio: 16 / 9; background: var(--mist); border: 1px solid #e6e6e8; border-radius: var(--radius); }
.tour-description { max-width: 710px; margin: 24px auto 0; text-align: left; color: var(--slate); font-size: 15px; }
.tour-description summary { width: fit-content; margin: auto; padding: 12px 4px; cursor: pointer; color: var(--blue); }
.tour-description > p { margin: 16px 0 0; line-height: 1.7; }
.availability-inner { text-align: center; }
.availability-inner > img { margin: 0 auto 25px; }
.availability-inner > .eyebrow { margin-bottom: 22px; }
.availability-inner h2 { font-size: clamp(40px, 5vw, 64px); }
.availability-lead { margin-top: 24px; font-size: 21px; letter-spacing: -.3px; }
.launch-note { margin-top: 28px; color: var(--launch); font-size: 13px; font-weight: 600; }
.availability-copy { margin-top: 12px; color: var(--slate); font-size: 17px; }
.availability-inner > .text-link { margin-top: 18px; }
.setup-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px; margin: 55px 0 0; padding: 36px 0 0; border-top: 1px solid var(--hairline); list-style: none; text-align: left; }
.step-number { display: block; margin-bottom: 13px; color: var(--slate); font-size: 13px; font-variant-numeric: tabular-nums; }
.setup-steps h3 { font-size: 23px; margin-bottom: 12px; }
.setup-steps p { color: var(--slate); font-size: 16px; }
.availability-fine-print { margin-top: 42px; font-size: 13px; }
.faq-section { display: grid; grid-template-columns: .9fr 1.25fr; gap: 80px; }
.faq-list details { border-bottom: 1px solid var(--hairline); }
.faq-list details:first-child { border-top: 1px solid var(--hairline); }
.faq-list summary { position: relative; display: flex; align-items: center; min-height: 76px; gap: 20px; padding: 22px 30px 22px 0; font-size: 18px; font-weight: 500; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; right: 2px; content: "+"; color: var(--slate); font-size: 27px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details > p { padding: 0 28px 24px 0; color: var(--slate); font-size: 16px; line-height: 1.65; }

.site-footer { padding: 40px 0 24px; background: var(--mist); color: var(--slate); font-size: 12px; }
.footer-top { display: flex; align-items: center; gap: 24px; padding-bottom: 28px; }
.footer-top > .brand { font-size: 22px; }
.footer-top > p { font-size: 13px; }
.footer-top nav { display: flex; gap: 24px; margin-left: auto; }
.site-footer a:not(.brand) { display: inline-flex; align-items: center; min-height: 44px; color: var(--slate); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-top: 15px; border-top: 1px solid var(--hairline); }
.footer-bottom a { gap: 6px; }
.site-footer a.footer-credit { color: var(--blue); text-decoration: underline; }

.image-dialog { width: calc(100% - 32px); max-width: 1700px; max-height: calc(100dvh - 32px); margin: auto; padding: 0; border: 1px solid var(--hairline); border-radius: 20px; background: var(--white); color: var(--ink); }
.image-dialog::backdrop { background: rgb(29 29 31 / 72%); }
.image-dialog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 20px; border-bottom: 1px solid var(--hairline); }
.image-dialog-toolbar h2 { font-size: 17px; letter-spacing: 0; }
.dialog-close { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 14px; border: 0; border-radius: 999px; background: var(--mist); color: var(--ink); font-size: 14px; }
.dialog-close span { font-size: 24px; line-height: 1; }
.image-dialog-scroll { max-height: calc(100dvh - 174px); overflow: auto; background: var(--mist); }
.image-dialog-scroll:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.image-dialog-image { width: 1600px; max-width: none; }
.image-dialog-caption { padding: 15px 20px; font-size: 13px; color: var(--slate); }

/* Supporting pages use the same product navigation and a quiet reading layout. */
.reading-page { max-width: 840px; padding-top: 70px; padding-bottom: 100px; }
.reading-page h1 { font-size: clamp(44px, 6vw, 64px); line-height: 1.1; letter-spacing: -1.2px; }
.reading-lead { margin-top: 24px; color: var(--slate); font-size: 21px; }
.reading-meta { margin-top: 16px; color: var(--slate); font-size: 13px; }
.reading-page section { margin-top: 44px; }
.reading-page section h2 { margin-bottom: 16px; font-size: 28px; letter-spacing: -.4px; line-height: 1.2; }
.reading-page section p + p { margin-top: 16px; }
.reading-page section p, .reading-page li { color: #555559; font-size: 17px; line-height: 1.75; }
.reading-page ul { padding-left: 24px; }
.reading-page li + li { margin-top: 8px; }
.reading-callout { padding: 28px; border-radius: var(--radius); background: var(--mist); }
.reading-callout p { margin-top: 12px; }
.reading-links { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 34px; }

@media (min-width: 1440px) {
  .hero { padding-top: 76px; }
}
@media (max-width: 1000px) {
  .editorial-heading { gap: 40px; }
  .assistant-card { padding-inline: 22px; }
  .assistant-card h3 { font-size: 23px; }
  .control-grid { grid-template-columns: 1fr; gap: 36px; }
  .control-copy { max-width: 650px; }
  .control-grid figure { width: 100%; }
  .faq-section { gap: 40px; }
  .setup-steps { gap: 32px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 80px; }
  .container { padding-inline: 24px; }
  .header-inner { min-height: 64px; gap: 16px; }
  .brand { font-size: 23px; }
  .main-nav { gap: 18px; }
  .main-nav a:not(:first-child) { display: none; }
  .header-inner > .button-small { margin-left: auto; }
  .hero { padding-top: 49px; padding-bottom: 54px; }
  .hero-copy { font-size: 18px; }
  .hero-figure { margin-top: 38px; }
  .hero h1 { font-size: clamp(40px, 7.5vw, 57px); }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 22px; margin-bottom: 32px; }
  .section-intro { max-width: 100%; font-size: 18px; }
  .assistant-grid { gap: 14px; }
  .assistant-card { padding: 14px 16px 24px; }
  .assistant-card > img { margin-bottom: 4px; }
  .assistant-card h3 { font-size: 21px; }
  .assistant-card-copy { padding: 0; }
  .assistant-card-copy > p:last-child { font-size: 14px; }
  .editorial-heading { grid-template-columns: 1fr; gap: 25px; margin-bottom: 32px; }
  .editorial-copy { max-width: 640px; font-size: 18px; }
  .feature-pair { grid-template-columns: 1fr; gap: 24px; }
  .feature-card-copy { padding: 30px; }
  .feature-card h3 { font-size: 30px; }
  .feature-card .compact-frame { margin-inline: 22px; }
  .conversation-note { gap: 18px; margin-top: 32px; }
  .conversation-note h3 { font-size: 24px; }
  .tour-intro { font-size: 18px; margin-bottom: 28px; }
  .availability-lead { font-size: 18px; }
  .setup-steps { gap: 25px; }
  .setup-steps h3 { font-size: 20px; }
  .setup-steps p { font-size: 15px; }
  .faq-section { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { flex-wrap: wrap; gap: 16px; }
  .footer-top nav { margin-left: auto; }
  .footer-top > p { display: none; }
  .reading-page { padding-top: 50px; padding-bottom: 70px; }
}
@media (max-width: 540px) {
  .main-nav { display: none; }
  .hero h1 { font-size: clamp(39px, 10vw, 51px); letter-spacing: -1px; }
  .desktop-break { display: none; }
  .hero-eyebrow { font-size: 14px; margin-bottom: 20px; }
  .hero-copy { font-size: 17px; margin-top: 22px; }
  .hero-actions { gap: 16px; flex-wrap: wrap; margin-top: 25px; }
  .hero-actions .text-link { font-size: 15px; }
  .hero-actions .button { font-size: 14px; padding-inline: 19px; }
  .edition-note { font-size: 12px; }
  .media-toolbar { gap: 10px; align-items: flex-start; flex-wrap: wrap; }
  .media-label { align-self: center; font-size: 12px; }
  .segmented-control button { min-width: 55px; padding-inline: 12px; }
  .product-frame { border-radius: 28px; }
  .enlarge-control { width: 40px; height: 40px; bottom: 10px; right: 10px; padding: 10px; }
  .assistant-grid { grid-template-columns: 1fr; gap: 18px; }
  .assistant-card { display: grid; grid-template-columns: 105px 1fr; align-items: center; gap: 10px; padding: 25px 22px 25px 12px; }
  .assistant-card > img { max-width: none; margin: 0; }
  .assistant-card h3 { font-size: 24px; }
  .assistant-card-copy > p:last-child { font-size: 15px; }
  .assistant-card .card-kicker { margin-bottom: 8px; }
  .section-afterword { font-size: 15px; }
  .section-afterword br { display: none; }
  .conversation-note > svg { width: 36px; height: 36px; }
  .conversation-note h3 { font-size: 22px; }
  .conversation-note p { font-size: 16px; }
  .setup-steps { grid-template-columns: 1fr; gap: 28px; margin-top: 42px; }
  .setup-steps li { display: grid; grid-template-columns: 28px 1fr; gap: 0 16px; }
  .setup-steps .step-number { grid-row: span 2; margin-top: 4px; }
  .setup-steps h3 { font-size: 21px; }
  .setup-steps p { grid-column: 2; font-size: 16px; }
  .faq-list summary { font-size: 17px; }
  .footer-top nav { gap: 14px; }
  .footer-bottom { font-size: 11px; gap: 12px; }
  .reading-page section h2 { font-size: 25px; }
  .reading-page section p, .reading-page li { font-size: 16px; }
  .reading-lead { font-size: 19px; }
  .reading-callout { padding: 24px; }
}
@media (max-width: 360px) {
  .assistant-card { grid-template-columns: 82px 1fr; padding-right: 18px; gap: 8px; }
  .assistant-card h3 { font-size: 21px; }
  .assistant-card-copy > p:last-child { font-size: 14px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 8px; }
  .footer-top nav { margin-left: 0; gap: 25px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .site-header, .site-footer, .hero-actions, .enlarge-control, .segmented-control, .image-dialog, .skip-link { display: none !important; }
  html { scroll-behavior: auto; }
  body { font-size: 12pt; }
  .container { max-width: none; padding-inline: 0; }
  .section, .reading-page { padding-block: 24px; }
  .reading-page section { break-inside: avoid; }
  .reading-page a { color: var(--ink); }
  .reading-page a[href^="mailto:"]::after { content: " (" attr(href) ")"; font-size: 10pt; }
}