:root {
  --page: #f7f8fa;
  --surface: #ffffff;
  --soft: #f1f4f7;
  --ink: #1d252d;
  --muted: #5d6975;
  --line: #dfe4e8;
  --charcoal: #26333f;
  --viewer: #0875f5;
  --viewer-hover: #0664d1;
  --viewer-deep: #064fa6;
  --viewer-soft: #e8f3ff;
  --link: var(--viewer-deep);
  --link-hover: #043f86;
  --accent-soft: var(--viewer-soft);
  --pdf: #c8431b;
  --pdf-hover: #a93412;
  --book: #ffc400;
  --book-hover: #e0ac00;
  --product-action: var(--viewer);
  --product-action-hover: var(--viewer-hover);
  --product-action-text: #ffffff;
  --footer: #1d252d;
  --radius: 10px;
  --shadow: 0 6px 20px rgba(17, 24, 39, .07);
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font: 400 16px/1.65 var(--font);
  text-rendering: optimizeLegibility;
}
.pdf-page {
  --product-action: var(--pdf);
  --product-action-hover: var(--pdf-hover);
}
.book-page {
  --product-action: var(--book);
  --product-action-hover: var(--book-hover);
  --product-action-text: var(--ink);
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--link); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--link-hover); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--viewer); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: #fff; border-radius: 8px; box-shadow: var(--shadow); }
.skip-link:focus { top: 1rem; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.content-narrow { width: min(760px, 100%); }
.section { padding: clamp(70px, 9vw, 118px) 0; }
.section-soft { background: var(--soft); }
.section-compact { padding: 54px 0; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--link);
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(2.65rem, 5.2vw, 4.75rem); max-width: 900px; font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3.1rem); font-weight: 680; }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 650; }
p { margin: 0 0 1rem; }
.lead { color: #343748; font-size: clamp(1.1rem, 2vw, 1.32rem); line-height: 1.55; }
.section-heading { max-width: 770px; margin-bottom: 42px; }
.section-heading p:last-child { color: var(--muted); font-size: 1.08rem; margin-top: 18px; }
.kicker { color: var(--muted); font-size: .94rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(17,24,39,.03);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 1.18rem; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand:hover { color: var(--ink); text-decoration: none; }
.wordmark {
  width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--viewer-deep); border-radius: 8px;
  color: #fff; background: var(--viewer); box-shadow: 0 3px 10px rgba(8,117,245,.2); font-size: .82rem; letter-spacing: -.04em;
}
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { color: #353746; font-size: .92rem; font-weight: 610; text-decoration: none; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--link); }
.nav-cta { padding: .68rem 1rem; border-radius: 8px; color: #fff !important; background: var(--viewer); }
.nav-cta:hover { background: var(--viewer-hover); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 10px; background: var(--soft); cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); }
.hero { padding: clamp(64px, 8vw, 105px) 0 74px; overflow: hidden; background: var(--page); }
.hero .container { width: min(1360px, calc(100% - 40px)); }
.hero-grid { display: grid; grid-template-columns: .62fr 1.38fr; align-items: center; gap: clamp(30px,4vw,58px); }
.hero h1 { font-size: clamp(2.85rem,5vw,4.65rem); }
.hero .lead { margin: 25px 0 27px; max-width: 620px; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.button {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.12rem;
  border: 1px solid transparent; border-radius: 8px; font-weight: 650; text-decoration: none; cursor: pointer;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button-primary { color: var(--product-action-text); background: var(--product-action); box-shadow: 0 2px 6px rgba(17,24,39,.12); }
.button-primary:hover { color: var(--product-action-text); background: var(--product-action-hover); }
.button-secondary { color: var(--ink); background: #fff; border-color: var(--line); }
.button-secondary:hover { color: var(--ink); background: var(--soft); border-color: #c9d0d6; }
.button-link { min-height: auto; padding-inline: 0; color: var(--link); }
.trial-note { margin-top: 18px; color: var(--muted); font-size: .88rem; }
.viewer-web-section { border-bottom: 1px solid var(--line); background: #fff; }
.viewer-web-grid { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(280px,.8fr); gap: clamp(36px,6vw,78px); align-items: center; }
.viewer-web-lead { margin-top: 20px; }
.viewer-web-benefits { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px 28px; margin: 26px 0 30px; padding: 0; list-style: none; }
.viewer-web-benefits li { position: relative; margin: 0; padding-left: 24px; }
.viewer-web-benefits li::before { position: absolute; left: 0; color: var(--viewer); content: "\2713"; font-weight: 750; }
.viewer-editions { border-top: 4px solid var(--viewer); border-radius: var(--radius); background: var(--accent-soft); box-shadow: var(--shadow); }
.viewer-editions article { padding: 26px 28px; }
.viewer-editions article + article { border-top: 1px solid #cfdae4; }
.viewer-editions h3 { color: var(--link-hover); }
.viewer-editions p { margin: 10px 0 0; color: var(--muted); }
.viewer-first-hero { background: linear-gradient(135deg, #f7faff 0%, var(--page) 52%, #fff 100%); }
.viewer-first-hero .hero-shot { border-color: #c9dcf2; box-shadow: 0 18px 55px rgba(8,75,145,.13); }
.viewer-philosophy { border-bottom: 1px solid var(--line); background: #fff; }
.philosophy-grid { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(44px,7vw,92px); align-items: start; }
.philosophy-grid h2 { margin-bottom: 20px; }
.format-principles { display: grid; gap: 0; margin: 0; border-top: 3px solid var(--viewer); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.format-principles div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.format-principles div:last-child { border-bottom: 0; }
.format-principles dt { color: var(--viewer-deep); font-weight: 780; }
.format-principles dd { margin: 0; color: var(--muted); }
.viewer-detail-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 18px; }
.viewer-detail { grid-column: span 2; padding: clamp(24px,3vw,34px); border: 1px solid var(--line); border-top: 3px solid var(--viewer); border-radius: var(--radius); background: var(--surface); box-shadow: 0 4px 16px rgba(17,24,39,.045); }
.viewer-detail-wide { grid-column: span 3; }
.viewer-detail h3 { margin: 10px 0 14px; font-size: 1.32rem; line-height: 1.3; }
.viewer-detail p { color: var(--muted); }
.viewer-kicker { color: var(--viewer-deep); font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.compact-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 19px 0; padding: 0; list-style: none; }
.compact-list li { padding: 4px 9px; border: 1px solid #c8dcf3; border-radius: 999px; color: var(--viewer-deep); background: var(--viewer-soft); font-size: .8rem; font-weight: 680; }
.mode-note { margin-bottom: 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: .9rem; }
.mode-note strong { color: var(--ink); }
.office-explanation { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(44px,7vw,92px); }
.office-explanation h2 { max-width: 530px; }
.office-explanation p { color: var(--muted); }
.edition-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.edition-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-height: 100%; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 4px 16px rgba(17,24,39,.045); }
.edition-card.featured { border-color: #9fc8f5; box-shadow: 0 8px 28px rgba(8,117,245,.1); }
.edition-card h3 { margin: 8px 0 10px; font-size: 1.38rem; }
.edition-card p { color: var(--muted); }
.edition-card .button { margin-top: auto; }
.edition-number { color: var(--viewer); font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
.edition-tagline { color: var(--ink) !important; font-weight: 720; }
.edition-summary { padding-left: 12px; border-left: 3px solid var(--viewer); font-size: .9rem; }
.viewer-cta { background: var(--charcoal); box-shadow: inset 4px 0 var(--viewer); }
.compact-heading { margin-bottom: 26px; }
.secondary-product-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.secondary-product-links a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: var(--surface); text-decoration: none; }
.secondary-product-links a:hover { border-color: #9fc8f5; box-shadow: 0 5px 18px rgba(8,117,245,.08); }
.secondary-product-links span { color: var(--viewer-deep); font-size: .74rem; font-weight: 760; letter-spacing: .05em; text-transform: uppercase; }
.app-frame {
  overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
}
.app-frame img { display: block; width: 100%; height: auto; object-fit: contain; }
.screenshot-link {
  display: block;
  min-width: 0;
  color: inherit;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
}
.screenshot-link:hover { color: inherit; text-decoration: none; }
.screenshot-link:focus-visible { outline-offset: -3px; }
.screenshot-link figure { margin: 0; }
.screenshot-link > .app-frame,
.screenshot-link > .product-visual {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  transform-origin: center;
}
.screenshot-link:hover > .app-frame,
.screenshot-link:hover > .product-visual,
.screenshot-link:focus-visible > .app-frame,
.screenshot-link:focus-visible > .product-visual {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 10px 28px rgba(17,24,39,.11);
}
.screenshot-link-viewer:hover > .app-frame,
.screenshot-link-viewer:focus-visible > .app-frame { border-color: rgba(8,117,245,.42); }
.screenshot-link-pdf:hover > .product-visual,
.screenshot-link-pdf:focus-visible > .product-visual { box-shadow: inset 0 0 0 1px rgba(200,67,27,.32), 0 10px 28px rgba(17,24,39,.11); }
.screenshot-link-book:hover > .product-visual,
.screenshot-link-book:focus-visible > .product-visual { box-shadow: inset 0 0 0 1px rgba(224,172,0,.42), 0 10px 28px rgba(17,24,39,.11); }
.screenshot-caption { display: flex; align-items: baseline; gap: 9px; margin: 0; padding: 10px 13px; border-top: 1px solid #dedee5; background: #fff; color: var(--muted); font-size: .84rem; line-height: 1.35; }
.screenshot-caption strong { color: var(--ink); font-size: .88rem; }
.frame-bar { height: 34px; display: flex; align-items: center; gap: 6px; padding: 0 13px; background: #f2f2f5; border-bottom: 1px solid #dedee5; }
.frame-bar i { width: 8px; height: 8px; border-radius: 50%; background: #c5c5cd; }
.hero-shot { box-shadow: 0 10px 30px rgba(17,24,39,.1); }
.format-band { padding: 23px 0; background: var(--soft); color: var(--ink); border-block: 1px solid var(--line); }
.format-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.format-label { margin: 0; color: var(--muted); font-size: .9rem; font-weight: 650; }
.format-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.format-list span { padding: .35rem .68rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--surface); font-size: .8rem; font-weight: 650; }
.story-row { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(44px,7vw,90px); }
.story-row.reverse > :first-child { order: 2; }
.demo-stack { display: grid; gap: 34px; }
.demo-stack figure { margin: 0; }
.demo-stack .app-frame { width: 100%; }
.demo-stack .story-copy { max-width: 780px; }
.compact-app-frame { width: min(100%, 860px) !important; margin-inline: auto; box-shadow: var(--shadow); }
.story-copy { max-width: 520px; }
.story-copy h2 { margin-bottom: 22px; }
.story-copy p { color: var(--muted); font-size: 1.08rem; }
.benefit-list { list-style: none; padding: 0; margin: 25px 0 0; display: grid; gap: 12px; }
.benefit-list li { position: relative; padding-left: 29px; color: #383b49; }
.benefit-list li::before { content: "✓"; position: absolute; left: 0; color: var(--link); font-weight: 800; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.capability { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 3px 12px rgba(17,24,39,.04); }
.capability .icon { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 20px; border: 1px solid var(--line); border-radius: 8px; color: var(--link); background: var(--surface); font-weight: 750; }
.capability h3 { margin-bottom: 10px; font-size: 1.06rem; letter-spacing: -.015em; }
.capability p { margin: 0; color: var(--muted); font-size: .92rem; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: clamp(35px,5vw,58px); border-radius: var(--radius); color: #fff; background: var(--charcoal); }
.cta-panel h2 { margin-bottom: 13px; font-size: clamp(2rem,3vw,2.85rem); }
.cta-panel p { margin: 0; color: #d8dee4; }
.product-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.product-showcase { grid-template-columns: 1fr; gap: 28px; }
.product-showcase .product-card { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(290px,.8fr); align-items: stretch; }
.product-showcase .screenshot-link, .product-showcase .screenshot-link .product-visual { height: 100%; }
.product-showcase .product-body { display: flex; flex-direction: column; justify-content: center; }
.product-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 3px 12px rgba(17,24,39,.04); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.product-visual { aspect-ratio: 2/1; display: grid; place-items: center; overflow: hidden; background: var(--soft); }
.product-visual img { width: 100%; height: 100%; object-fit: contain; object-position: top center; }
.product-visual.compact-window { min-height: 440px; aspect-ratio: auto; padding: clamp(22px,3.5vw,48px); background: var(--soft); }
.product-visual.compact-window img { width: min(100%,820px); height: auto; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 6px 18px rgba(17,24,39,.08); }
.product-visual.has-caption { grid-template-rows: minmax(0,1fr) auto; }
.product-visual.has-caption .screenshot-caption { width: min(100%,820px); align-self: start; border: 1px solid #dedee5; border-top: 0; border-radius: 0 0 10px 10px; }
.product-body { padding: 24px 26px 26px; }
.product-topline { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 16px; }
.product-lockup { display: flex; align-items: center; gap: 9px; min-width: 0; }
.product-lockup h2, .product-lockup h3 { margin: 0; }
.product-lockup-intro { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.product-lockup-intro .eyebrow { margin: 0; }
.product-logo { width: 48px; height: 48px; display: inline-flex; flex: 0 0 48px; align-items: center; justify-content: center; }
.product-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.product-lockup-intro .product-logo { width: 96px; height: 96px; flex-basis: 96px; }
.status { display: inline-flex; padding: .3rem .62rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--soft); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.product-card.pdf { border-top: 2px solid var(--pdf); }
.product-card.book-card { border-top: 2px solid var(--book); }
.product-body p { color: var(--muted); }
.founder-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 65px; align-items: start; }
.founder-grid h2 { margin-bottom: 22px; }
.mini-panel { padding: 27px; border: 1px solid var(--line); border-left: 3px solid var(--link); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.mini-panel h3 { margin-bottom: 10px; font-size: 1.1rem; }
.mini-panel p:last-child { margin-bottom: 0; color: var(--muted); }
.company-section { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: clamp(40px,7vw,88px); }
.company-signature { display: grid; justify-items: center; gap: 10px; text-align: center; color: #3a3d4c; }
.company-signature span { font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.company-signature img { width: 160px; height: 160px; object-fit: contain; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.company-signature strong { font-size: 1.08rem; }
.support-development { background: #fff; }
.support-development-panel { display: flex; align-items: center; justify-content: space-between; gap: 38px; padding: clamp(30px,4vw,46px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 3px 12px rgba(17,24,39,.04); }
.support-development-panel h2 { margin-bottom: 10px; font-size: clamp(1.8rem,3vw,2.5rem); }
.support-development-panel p:last-child { margin: 0; color: var(--muted); }
.page-hero { padding: 80px 0 60px; background: var(--page); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.8rem,5vw,4.5rem); margin-bottom: 22px; }
.page-hero .lead { max-width: 760px; }
.page-actions { margin-top: 28px; }
.detail-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
.detail-grid h2 { margin-bottom: 22px; }
.detail-grid p, .prose p, .prose li { color: var(--muted); }
.prose h2 { margin: 42px 0 15px; font-size: 1.8rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 10px; font-size: 1.2rem; }
.prose ul { padding-left: 1.25rem; }
.support-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.support-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 3px 12px rgba(17,24,39,.04); }
.support-card h2 { margin-bottom: 12px; font-size: 1.35rem; }
.support-card p { color: var(--muted); }
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}
.workflow-steps li {
  position: relative;
  min-height: 92px;
  padding: 42px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 720;
  text-align: center;
}
.workflow-steps li::before {
  position: absolute;
  top: 13px;
  left: 50%;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--link);
  content: counter(workflow);
  counter-increment: workflow;
  font-size: .78rem;
  line-height: 24px;
  transform: translateX(-50%);
}
.workflow-section { background: #fff; }
.workflow-showcase {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
}
.workflow-wide {
  width: min(92vw,1760px);
  margin-inline: auto;
}
.workflow-media {
  margin-top: 34px;
  margin-bottom: 16px;
}
.workflow-image-stage {
  position: relative;
  overflow: hidden;
  background: var(--soft);
}
.workflow-media img {
  display: block;
  width: 100%;
  height: auto;
}
.workflow-feature-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  grid-template-rows: repeat(4,auto);
  grid-auto-flow: column;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: list-preview-features;
}
.workflow-feature-grid li {
  position: relative;
  min-width: 0;
  padding: 50px 16px 16px;
  border: 1px solid #f0f2f5;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(17,24,39,.045);
}
.workflow-feature-grid li::before {
  position: absolute;
  top: 10px;
  left: 16px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--pdf);
  border-radius: 50%;
  color: var(--pdf);
  background: #fff;
  content: counter(list-preview-features);
  counter-increment: list-preview-features;
  font-size: .94rem;
  font-weight: 800;
  line-height: 28px;
  text-align: center;
}
.workflow-feature-grid h3 { margin: 0 0 9px; font-size: 1rem; font-weight: 700; line-height: 1.3; }
.workflow-feature-grid p { margin: 0; color: #6d7480; font-size: .88rem; font-weight: 400; line-height: 1.58; }
.workflow-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 75%;
  margin: 28px auto 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #454a55;
  background: var(--soft);
  list-style: none;
  font-size: .82rem;
  font-weight: 720;
}
.workflow-strip li { display: flex; align-items: center; white-space: nowrap; }
.workflow-strip li:not(:last-child)::after {
  margin: 0 clamp(12px,2vw,26px);
  color: #9aa1aa;
  content: "\2192";
  font-weight: 500;
}
.feedback-form { display: grid; gap: 19px; margin-top: 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label > span, legend { display: block; margin-bottom: 7px; color: #313442; font-size: .9rem; font-weight: 680; }
input, select, textarea { width: 100%; padding: .75rem .85rem; border: 1px solid #cfd1da; border-radius: 9px; color: var(--ink); background: #fff; }
textarea { resize: vertical; }
fieldset { margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.checkbox-options, .rating-options { display: flex; flex-wrap: wrap; gap: 14px 22px; }
.checkbox-options label, .rating-options label { display: flex; align-items: center; gap: 7px; }
.checkbox-options input, .rating-options input { width: auto; }
.checkbox-options span, .rating-options span { margin: 0; }
.site-footer { padding: 76px 0 32px; color: #d8dee4; background: var(--footer); }
.site-footer .wordmark { color: #fff; background: var(--viewer); border-color: #5ca8ff; }
.footer-grid { display: grid; grid-template-columns: 1.65fr repeat(3,.82fr); gap: 28px; }
.footer-brand p { max-width: 330px; color: #aeb8c1; font-size: .9rem; }
.footer-company { display: grid; grid-template-columns: 56px 1fr; align-items: center; gap: 2px 12px; max-width: 300px; margin-top: 22px; }
.footer-company span { grid-column: 1/-1; color: #9ca8b2; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.footer-company img { grid-row: 2/4; width: 56px; height: 56px; object-fit: contain; border-radius: 10px; background: #fff; }
.footer-company strong { color: #fff; font-size: .86rem; line-height: 1.25; }
.footer-title { margin-bottom: 16px; color: #fff; font-size: .82rem; font-weight: 740; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: grid; gap: 9px; }
.footer-links a, .footer-links span { color: #b7c0c8; font-size: .9rem; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 24px; border-top: 1px solid #44515c; color: #97a3ad; font-size: .82rem; }
.legacy-note { padding: 13px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); color: var(--muted); font-size: .86rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Viewer family website */
.problem-grid,
.browser-truth,
.use-case-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(38px,7vw,92px); align-items: start; }
.problem-grid h2,
.browser-truth h2,
.use-case-grid h2 { margin-bottom: 18px; }
.browser-truth { align-items: center; padding: clamp(30px,5vw,52px); border: 1px solid #b7d6fb; border-left: 5px solid var(--viewer); border-radius: var(--radius); background: var(--viewer-soft); }
.browser-truth p:last-child { margin: 0; color: #33485d; font-size: 1.08rem; }
.viewer-page-hero { background: linear-gradient(135deg,#f7faff 0%,#fff 100%); }
.workflow-callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: 28px 0 38px; padding: 18px; border: 1px solid #b7d6fb; border-radius: var(--radius); color: var(--viewer-deep); background: var(--viewer-soft); font-size: .9rem; font-weight: 760; }
.workflow-callout i { color: #7491ae; font-style: normal; }
.task-steps { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: task-step; }
.task-steps li { position: relative; padding: 23px 24px 23px 74px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; counter-increment: task-step; }
.task-steps li::before { position: absolute; top: 21px; left: 22px; display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: #fff; background: var(--viewer); content: counter(task-step); font-weight: 780; }
.task-steps strong { display: block; margin-bottom: 5px; font-size: 1.05rem; }
.task-steps p { margin: 0; color: var(--muted); }
.plain-note { margin: 24px 0 0; padding: 18px 20px; border-left: 4px solid var(--viewer); background: var(--viewer-soft); color: #33485d; }
.fact-card,
.architecture-card { padding: clamp(25px,4vw,38px); border: 1px solid var(--line); border-top: 4px solid var(--viewer); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.fact-card h3,
.architecture-card h3 { margin: 0 0 14px; font-size: 1.25rem; }
.fact-card h3:not(:first-child) { margin-top: 28px; }
.fact-card ul { padding-left: 1.2rem; color: var(--muted); }
.fact-card p:last-child,
.architecture-card p:last-child { margin-bottom: 0; }
.comparison-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.comparison-grid article { padding: 28px; border: 1px solid var(--line); border-top: 3px solid var(--viewer); border-radius: var(--radius); background: #fff; }
.comparison-grid h3 { margin-bottom: 10px; }
.comparison-grid p { color: var(--muted); }
.comparison-grid a[aria-current="page"] { font-weight: 760; }
.content-narrow { max-width: 820px; }

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 74px; left: 20px; right: 20px; padding: 18px;
    align-items: stretch; flex-direction: column; gap: 4px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .65rem .7rem; }
  .nav-cta { text-align: center; margin-top: 6px; }
  .hero-grid, .story-row, .detail-grid, .founder-grid, .company-section, .product-showcase .product-card, .viewer-web-grid, .philosophy-grid, .office-explanation, .problem-grid, .browser-truth, .use-case-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; }
  .story-row.reverse > :first-child { order: 0; }
  .story-copy { max-width: 680px; }
  .capability-grid { grid-template-columns: repeat(2,1fr); }
  .viewer-detail, .viewer-detail-wide { grid-column: span 3; }
  .edition-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .workflow-wide { width: calc(100% - 28px); }
  .workflow-feature-grid, .workflow-strip { width: 100%; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px,1160px); }
  .section { padding: 68px 0; }
  .hero { padding-top: 52px; }
  .hero h1 { font-size: clamp(2.55rem,13vw,3.65rem); }
  .hero .button-row, .page-actions { display: grid; }
  .button-row .button, .page-actions .button { width: 100%; }
  .viewer-web-benefits { grid-template-columns: 1fr; }
  .hero-shot { transform: none; }
  .story-row > *, .story-row .app-frame { min-width: 0; max-width: 100%; }
  .format-inner { align-items: flex-start; flex-direction: column; }
  .format-list { justify-content: flex-start; }
  .capability-grid, .product-grid, .support-grid, .form-grid, .footer-grid, .secondary-product-links { grid-template-columns: 1fr; }
  .viewer-detail-grid { grid-template-columns: 1fr; }
  .viewer-detail, .viewer-detail-wide { grid-column: auto; }
  .format-principles div { grid-template-columns: 1fr; gap: 4px; }
  .workflow-steps { grid-template-columns: 1fr; }
  .workflow-callout { align-items: stretch; flex-direction: column; text-align: center; }
  .workflow-callout i { transform: rotate(90deg); }
  .workflow-feature-grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-auto-flow: row;
  }
  .workflow-media {
    width: 100%;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  .workflow-details { width: calc(100% - 28px); }
  .workflow-media img { width: 100%; max-width: 100%; }
  .workflow-strip {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px 16px;
  }
  .workflow-strip li { justify-content: space-between; padding: 8px 0; }
  .workflow-strip li:not(:last-child)::after { margin: 0; content: "\2193"; }
  .cta-panel { align-items: stretch; flex-direction: column; }
  .cta-panel .button { width: 100%; }
  .support-development-panel { align-items: stretch; flex-direction: column; }
  .support-development-panel .button { width: 100%; }
  .product-visual { aspect-ratio: 2/1; }
  .product-visual.compact-window { min-height: 0; aspect-ratio: auto; padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}