:root {
  color-scheme: light dark;
  --background: #f6f8f8;
  --surface: #ffffff;
  --text: #102a2d;
  --muted: #56696b;
  --brand: #006d77;
  --brand-soft: #e1f1f1;
  --line: #d8e2e3;
  --credit: #207a4b;
  --debt: #b42318;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0d1718;
    --surface: #152325;
    --text: #eef6f6;
    --muted: #9fb3b4;
    --brand: #61d5d0;
    --brand-soft: #173335;
    --line: #26393b;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--text); font-size: 1rem; line-height: 1.6; }
a { color: inherit; text-underline-offset: .24em; }
a:hover { color: var(--brand); }
a:focus-visible { outline: 3px solid var(--brand); outline-offset: 6px; border-radius: 4px; }
img { max-width: 100%; display: block; }
.site-shell { max-width: 1160px; padding: 0 48px; margin-inline: auto; }
.skip-link { position: absolute; left: 24px; top: -100px; background: var(--brand); color: #fff; padding: 12px 20px; z-index: 10; border-radius: 12px; }
.skip-link:focus { top: 12px; color: #fff; }
.site-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-size: 1.2rem; font-weight: 750; letter-spacing: -.02em; }
.brand img { border-radius: 11px; }
nav { display: flex; gap: 28px; font-size: .9375rem; }
nav a { text-decoration: none; color: var(--muted); }
nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

.hero { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 64px; padding: 40px 0 72px; }
.release-note { display: inline-block; margin: 0 0 22px; padding: 6px 14px; border-radius: 100px; background: var(--brand-soft); color: var(--brand); font-size: .875rem; font-weight: 600; }
h1 { margin: 0; font-size: clamp(3rem, 6.4vw, 5.25rem); line-height: 1.02; font-weight: 800; letter-spacing: -.05em; }
h1 span { color: var(--brand); }
.hero-description { max-width: 470px; margin: 26px 0 0; font-size: 1.1875rem; line-height: 1.65; color: var(--muted); }
.hero-points { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li { padding: 6px 13px; border: 1px solid var(--line); border-radius: 100px; font-size: .875rem; color: var(--muted); background: var(--surface); }
.app-preview { margin: 0; justify-self: center; width: 290px; max-width: 100%; }
.screen-wrap { padding: 8px; background: #111a1b; border-radius: 44px; box-shadow: 0 30px 60px rgba(0, 60, 66, .22); }
.app-screen { width: 100%; height: auto; border-radius: 36px; }
figcaption { color: var(--muted); text-align: center; margin-top: 22px; font-size: .8125rem; }

.features { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 42px; padding: 48px 0 56px; }
.eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .11em; color: var(--brand); margin: 0; }
h2 { font-size: 1.375rem; letter-spacing: -.03em; line-height: 1.3; }
.features h2 { margin: 10px 0 8px; }
.features p:not(.eyebrow) { color: var(--muted); margin: 0; line-height: 1.7; }

.support-card { display: flex; align-items: center; justify-content: space-between; gap: 32px; background: var(--surface); border: 1px solid var(--line); padding: 32px 36px; border-radius: 24px; margin-bottom: 40px; scroll-margin-top: 24px; }
.support-card h2 { margin: 6px 0 8px; font-size: 1.625rem; }
.support-card p:not(.eyebrow) { color: var(--muted); margin: 0; font-size: .9375rem; }
.button { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; padding: 13px 22px; border-radius: 100px; background: var(--brand); color: #fff; font-weight: 600; text-decoration: none; }
@media (prefers-color-scheme: dark) { .button { color: #062326; } }
.button:hover { color: #fff; filter: brightness(1.08); }
@media (prefers-color-scheme: dark) { .button:hover { color: #062326; } }

.site-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding: 26px 0 32px; border-top: 1px solid var(--line); font-size: .875rem; color: var(--muted); }
.site-footer span { margin-right: auto; }
.site-footer a { text-decoration: none; }

.policy { max-width: 740px; margin: 30px auto 64px; }
.back-link { display: inline-block; color: var(--brand); font-size: .9375rem; margin-bottom: 26px; text-decoration: none; }
.policy h1 { font-size: clamp(2.3rem, 6vw, 3.4rem); line-height: 1.1; letter-spacing: -.045em; }
.policy .updated { margin: 16px 0 32px; color: var(--muted); font-size: .9375rem; }
.policy-content h2 { font-size: 1.3rem; margin: 36px 0 10px; }
.policy-content h3 { font-size: 1.05rem; margin: 22px 0 6px; }
.policy-content p, .policy-content li { line-height: 1.75; }
.policy-content p { margin: 10px 0; }
.policy-content ul { padding-left: 22px; }
.policy-content li { margin: 6px 0; }
.policy-content a { color: var(--brand); overflow-wrap: anywhere; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.0625rem; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

@media (max-width: 900px) {
  .site-shell { padding-inline: 32px; }
  .hero { gap: 44px; }
  .app-preview { width: 250px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .support-card { align-items: flex-start; flex-direction: column; gap: 20px; }
}
@media (max-width: 640px) {
  .site-shell { padding-inline: 16px; }
  .site-header { padding: 20px 0; gap: 14px; }
  .brand { font-size: 1.0625rem; gap: 10px; }
  .brand img { width: 36px; height: 36px; border-radius: 9px; }
  nav { gap: 18px; font-size: .875rem; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 24px 0 48px; text-align: center; }
  .hero-description { margin-inline: auto; font-size: 1.0625rem; }
  .hero-points { justify-content: center; }
  .app-preview { width: 240px; }
  .features { grid-template-columns: 1fr; gap: 28px; padding: 36px 0; }
  .support-card { padding: 26px 22px; border-radius: 20px; }
  .policy { margin-top: 20px; margin-bottom: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
/* Launch edition: real App Store media, a clear download path, and readable storytelling. */
.download-actions { display:flex; flex-wrap:wrap; align-items:center; gap:20px; margin-top:30px; }
.store-button { border-radius:14px; padding:15px 22px; font-size:1rem; }
.text-link { font-size:.9rem; color:var(--brand); text-decoration:none; }
.compatibility { font-size:.78rem; color:var(--muted); margin-top:13px; }
.store-screen { width:100%; height:auto; border-radius:24px; box-shadow:0 24px 65px #003c421a; }
.app-preview { width:285px; }
.story { padding:64px 0; border-top:1px solid var(--line); scroll-margin-top:24px; }
.story > h2,.showcase h2,.download-banner h2 { font-size:clamp(2rem,4vw,3rem); letter-spacing:-.045em; margin:16px 0; line-height:1.13; }
.section-intro { color:var(--muted); max-width:540px; }
.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:40px; margin-top:40px; }
.step-number { color:var(--brand); font-size:.85rem; font-weight:700; }
.steps h3 { font-size:1.3rem; letter-spacing:-.025em; margin:12px 0; }
.steps p,.showcase p { color:var(--muted); }
.showcase { display:grid; grid-template-columns:1fr 1.35fr 1fr; align-items:center; gap:36px; padding:40px; margin:0 0 64px; border-radius:32px; background:var(--brand-soft); }
.showcase figure { margin:0; }
.showcase img { border-radius:16px; width:100%; height:auto; }
.showcase h2 { font-size:clamp(1.6rem,3vw,2.3rem); }
.showcase figcaption { font-size:.75rem; margin-top:12px; }
.download-banner { text-align:center; padding:60px 24px; margin-bottom:48px; background:var(--brand-soft); border-radius:28px; }
.download-banner > p { color:var(--muted); }
.download-banner .button { margin-top:12px; }
.small-print { font-size:.8rem; line-height:1.7; margin-top:22px; }
summary:focus-visible { outline:3px solid var(--brand); outline-offset:5px; }
@media (max-width:900px) { .showcase { grid-template-columns:1fr 1.4fr; padding:28px; gap:28px; } .showcase figure:last-child { display:none; } .steps { gap:24px; } }
@media (max-width:640px) { .download-actions { justify-content:center; gap:18px; } .story { padding:40px 0; } .steps { grid-template-columns:1fr; gap:22px; margin-top:28px; } .steps article { border-top:1px solid var(--line); padding-top:20px; } .showcase { grid-template-columns:1fr; padding:24px; gap:26px; margin-bottom:40px; } .showcase figure { max-width:240px; margin:auto; } .showcase > div { grid-row:1; } .app-preview { width:260px; } .download-banner { padding:40px 20px; } nav { flex-wrap:wrap; gap:14px; } .site-header { align-items:flex-start; } }
/* Public help center */
.help-home,.help-article { margin:32px auto 64px; }
.help-home { max-width:940px; }
.help-home h1,.help-article h1 { font-size:clamp(2.4rem,5vw,4rem); line-height:1.08; margin-top:14px; }
.help-lead { color:var(--muted); font-size:1.15rem; max-width:650px; }
.guide-version { color:var(--muted); font-size:.85rem; }
.quick-start { display:flex; align-items:center; justify-content:space-between; gap:28px; padding:28px 32px; background:var(--brand-soft); border-radius:24px; margin:36px 0 44px; }
.quick-start h2 { font-size:1.5rem; margin:8px 0; }
.quick-start p:last-child { color:var(--muted); margin-bottom:0; }
.help-search { margin:24px 0; }
.help-search label { display:block; font-size:.9rem; font-weight:600; margin-bottom:8px; }
.help-search input { width:100%; max-width:600px; padding:14px 16px; border:1px solid var(--line); border-radius:12px; background:var(--surface); color:var(--text); font:inherit; }
.help-search input:focus-visible { outline:3px solid var(--brand); outline-offset:3px; }
.help-search input::placeholder { color:var(--muted); opacity:1; }
#search-status { margin:8px 0; font-size:.85rem; color:var(--muted); }
.help-topics { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.help-topic { border:1px solid var(--line); border-radius:18px; background:var(--surface); }
.help-topic a { display:block; padding:24px; height:100%; text-decoration:none; border-radius:18px; }
.help-topic h2 { font-size:1.2rem; margin:0 0 10px; }
.help-topic h2 span { float:right; color:var(--brand); margin-left:8px; }
.help-topic p { margin:0; color:var(--muted); }
.popular-help { margin:48px 0; }
.popular-help details { padding:18px 0; border-bottom:1px solid var(--line); }
.popular-help summary { cursor:pointer; font-weight:600; }
.popular-help p { color:var(--muted); max-width:750px; }
.article-layout { display:grid; grid-template-columns:220px minmax(0,1fr); gap:52px; margin-top:38px; }
.article-toc { display:flex; flex-direction:column; gap:12px; position:sticky; top:24px; font-size:.9rem; }
.article-toc a { color:var(--muted); text-decoration:none; }
.article-toc a:hover { color:var(--brand); }
.guide-content { max-width:700px; min-width:0; }
.guide-content h2 { font-size:1.5rem; scroll-margin-top:28px; }
.guide-content h2:first-child { margin-top:0; }
.guide-content ol { padding-left:24px; }
.guide-content .result { background:var(--brand-soft); border-left:3px solid var(--brand); padding:16px 20px; border-radius:0 12px 12px 0; margin:22px 0; }
.table-scroll { max-width:100%; overflow-x:auto; }
.guide-content table { width:100%; border-collapse:collapse; font-size:.9rem; }
.guide-content caption { text-align:left; color:var(--muted); margin:12px 0; }
.guide-content th,.guide-content td { text-align:left; vertical-align:top; padding:12px; border-bottom:1px solid var(--line); }
.related-guides { border-top:1px solid var(--line); margin-top:40px; padding-top:12px; }
.related-guides a { display:block; margin:10px 0; }
[hidden] { display:none !important; }
@media(max-width:900px) { .article-layout { grid-template-columns:1fr; gap:28px; } .article-toc { position:static; border:1px solid var(--line); border-radius:16px; padding:20px; } }
@media(max-width:640px) { .help-topics { grid-template-columns:1fr; } .quick-start { align-items:flex-start; flex-direction:column; padding:24px; } .help-topic a { padding:22px; } .help-home,.help-article { margin-top:20px; } }
/* Released 1.1 overview and approved ASC Header/Search compositions. */
.hero.hero-with-film { display:block; padding-bottom:48px; }
.hero-with-film .hero-copy { max-width:820px; margin-inline:auto; text-align:center; }
.hero-with-film .hero-description { max-width:650px; margin-inline:auto; }
.hero-with-film .download-actions,.hero-with-film .hero-points { justify-content:center; }
.product-film { margin:48px 0 0; scroll-margin-top:24px; }
.product-film video { display:block; width:100%; height:auto; aspect-ratio:3840 / 1646; object-fit:contain; background:#f1f8f7; border:1px solid var(--line); border-radius:24px; box-shadow:0 18px 48px #003c4215; }
.product-film figcaption { margin-top:16px; }
.film-summary { max-width:700px; margin:12px auto 0; color:var(--muted); font-size:.875rem; }
.film-summary summary { cursor:pointer; text-align:center; }
.film-summary p { line-height:1.7; }
.release-highlights { display:grid; grid-template-columns:1fr 1.1fr; gap:48px; padding:40px 0 64px; border-top:1px solid var(--line); }
.release-intro h2 { font-size:clamp(2rem,4vw,3rem); margin:14px 0; line-height:1.12; letter-spacing:-.04em; }
.release-intro p:not(.eyebrow),.release-cards p { color:var(--muted); }
.release-cards { display:grid; gap:16px; }
.release-cards article { background:var(--surface); border:1px solid var(--line); border-radius:20px; padding:24px; }
.release-cards article > span { color:var(--brand); font-size:1.3rem; letter-spacing:.06em; }
.release-cards h3 { font-size:1.25rem; margin:8px 0; letter-spacing:-.02em; }
.release-cards p { margin:0; }
@media(max-width:640px) { .product-film { margin-top:32px; } .product-film video { aspect-ratio:3 / 2; border-radius:16px; } .release-highlights { grid-template-columns:1fr; gap:24px; padding:32px 0 40px; } }

/* Equal access to both released app stores. */
.download-banner .download-actions { justify-content:center; margin-top:20px; }
.download-banner .download-actions .button { margin-top:0; }
.download-banner { scroll-margin-top:24px; }
@media(max-width:640px) { .download-actions .store-button { width:100%; max-width:320px; justify-content:center; min-height:52px; } }

/* Official artwork stays unmodified, with a quarter-height clear space. */
.download-actions.store-badges { gap:0; }
.store-badge-link { display:inline-flex; flex:0 0 auto; padding:12px; text-decoration:none; }
.store-badge-link img { display:block; width:auto; height:48px; max-width:none; }
.site-footer .trademark-notice { flex-basis:100%; margin:4px 0 0; font-size:.75rem; line-height:1.6; }