/* DiaPetic site: indigo and orange from the app's wordmark, rounded headings, plenty of air. */
:root {
  --bg: #FBFAFF;
  --surface: #FFFFFF;
  --soft: #F1F0FB;
  --fg: #1C1B2E;
  --muted: #5E5C78;
  --line: #E3E1F2;
  --indigo: #4746B8;
  --indigo-ink: #2E2D86;
  --orange: #D4690F;
  --red: #B42335;
  --display: ui-rounded, "SF Pro Rounded", "Nunito", "Varela Round", system-ui, -apple-system, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12121C; --surface: #1A1A28; --soft: #222236; --fg: #F1F0FA; --muted: #A9A7C4; --line: #2E2D45;
    --indigo: #8F8DF5; --indigo-ink: #C9C8FA; --orange: #F29A4D; --red: #F07A88;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 var(--body);
}
img { max-width: 100%; height: auto; }
a { color: var(--indigo); text-underline-offset: 3px; }
a:hover { color: var(--indigo-ink); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 900; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 800; }
p { margin: 0; }

.wrap { max-width: 1040px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
.narrow { max-width: 760px; }

/* Header */
.site-head { border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.wordmark { font-family: var(--display); font-weight: 900; font-size: 1.45rem; color: var(--indigo); letter-spacing: -0.01em; }
.wordmark b { color: var(--orange); font-weight: 900; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; padding: 6px 12px; border-radius: 999px; }
.nav a:hover { color: var(--fg); background: var(--soft); }
.nav a[aria-current="page"] { color: var(--indigo); background: var(--soft); }

/* Hero */
.hero { padding-block: 56px 40px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.hero .lead { font-size: 1.2rem; color: var(--muted); margin-top: 16px; max-width: 34ch; }
.hero-icon { width: min(300px, 70%); border-radius: 22%; box-shadow: 0 24px 60px rgba(46, 45, 134, 0.25); justify-self: center; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; padding: 12px 22px; border-radius: 999px; }
.btn-primary { background: var(--indigo); color: #FFFFFF; }
.btn-primary:hover { color: #FFFFFF; filter: brightness(1.08); }
.btn-ghost { color: var(--indigo); background: var(--soft); }
.note { font-size: 0.9rem; color: var(--muted); }

/* Sections */
section { padding-block: 44px; }
.section-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; max-width: 62ch; }
.section-head p { color: var(--muted); }
.eyebrow { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); }

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.feature .dot { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-size: 1.2rem; background: var(--soft); }
.feature p { color: var(--muted); font-size: 0.98rem; }

.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
.shot { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.shot img { border-radius: 12px; display: block; }
.shot figcaption { font-weight: 700; font-size: 0.95rem; }

.story { background: var(--soft); }
.story .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 36px; align-items: center; }
.story p + p { margin-top: 14px; }

.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.plan.pro { border-color: var(--indigo); }
.plan .price { font-family: var(--display); font-size: 2rem; font-weight: 900; color: var(--indigo); }
.plan ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; color: var(--muted); }

.safety { border-left: 4px solid var(--orange); background: var(--surface); border-radius: 0 14px 14px 0; padding: 16px 20px; color: var(--muted); }
.safety strong { color: var(--fg); }

/* Article pages (How to use, FAQ, Privacy) */
.page-head { padding-block: 44px 8px; }
.page-head p { color: var(--muted); margin-top: 12px; font-size: 1.1rem; max-width: 60ch; }
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; margin-block: 24px 8px; }
.toc ol { margin: 8px 0 0; padding-left: 22px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 24px; }
.article { padding-block: 16px 56px; }
.article h2 { margin-top: 40px; scroll-margin-top: 90px; }
.article h3 { margin-top: 22px; }
.article p, .article ul, .article ol { margin-top: 10px; }
.article li { margin-top: 4px; }
.article .tip { background: var(--soft); border-radius: 12px; padding: 12px 16px; margin-top: 14px; font-size: 0.97rem; }
.path { font-weight: 600; color: var(--indigo-ink); }

.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 0 18px; margin-top: 10px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--indigo); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 16px; color: var(--muted); }
.faq details > div p + p { margin-top: 8px; }
.faq h2 { margin-top: 36px; }

.contact { background: var(--indigo); color: #FFFFFF; border-radius: 20px; padding: 28px; display: flex; flex-direction: column; gap: 10px; margin-top: 40px; }
.contact a { color: #FFFFFF; font-weight: 800; font-size: 1.2rem; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding-block: 28px 40px; color: var(--muted); font-size: 0.9rem; }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-foot nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-foot a { color: var(--muted); }

@media (max-width: 760px) {
  .hero .wrap, .story .wrap { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-block: 36px 24px; }
  .hero-icon { width: 180px; grid-row: 1; justify-self: start; }
  .features, .shots, .pricing { grid-template-columns: minmax(0, 1fr); }
  .toc ol { grid-template-columns: minmax(0, 1fr); }
  .site-head { position: static; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* App screen illustrations on How to use (drawn in HTML, not photos; demo pet "Biscuit") */
:root { --m-bg: #F2F2F7; --m-card: #FFFFFF; --m-fg: #000000; --m-sub: #6C6C70; --m-sep: #E5E5EA;
  --m-orange: #F0901F; --m-indigo: #5E5CE6; --m-green: #2FA36B; --m-blue: #2484C8; --m-red: #D9473F; }
@media (prefers-color-scheme: dark) { :root { --m-bg: #000000; --m-card: #1C1C1E; --m-fg: #FFFFFF; --m-sub: #98989F; --m-sep: #38383A;
  --m-orange: #FFAD52; --m-indigo: #8F8DFF; --m-green: #4FD18E; --m-blue: #5CB2FA; --m-red: #FF7066; } }
.shotfig { margin: 22px auto 6px; max-width: 380px; display: flex; flex-direction: column; gap: 8px; }
.shotfig figcaption { font-size: 0.85rem; color: var(--muted); text-align: center; }
.mock { background: var(--m-bg); color: var(--m-fg); border: 1px solid var(--line); border-radius: 28px; padding: 16px 14px;
  font: 15px/1.35 -apple-system, BlinkMacSystemFont, system-ui, sans-serif; display: flex; flex-direction: column; gap: 6px;
  box-shadow: 0 10px 30px rgba(46, 45, 134, 0.10); }
.mock .m-h { font-size: 12px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; color: var(--m-sub); padding: 8px 6px 2px; display: flex; align-items: center; gap: 6px; }
.mock .m-title { font-size: 22px; font-weight: 800; padding: 2px 4px 6px; }
.mock .m-card { background: var(--m-card); border-radius: 12px; overflow: hidden; }
.mock .m-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 14px; border-top: 1px solid var(--m-sep); min-width: 0; }
.mock .m-row:first-child { border-top: 0; }
.mock .m-row > span:first-child { min-width: 0; }
.mock .m-v { color: var(--m-sub); text-align: right; }
.mock .m-sub { display: block; font-size: 12.5px; color: var(--m-sub); margin-top: 2px; }
.mock .m-b { font-weight: 600; }
.mock .m-foot { font-size: 12px; color: var(--m-sub); padding: 4px 6px; }
.mock .m-pill { font-size: 13px; font-weight: 700; padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.mock .m-fill { color: #FFFFFF; }
.mock .m-seg { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; padding: 0 14px 12px; }
.mock .m-seg span { text-align: center; font-size: 13px; font-weight: 600; padding: 7px 0; border-radius: 9px; background: var(--m-bg); }
.mock .m-tog { width: 44px; height: 26px; border-radius: 13px; background: var(--m-sep); position: relative; flex-shrink: 0; }
.mock .m-tog::after { content: ""; position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: #FFFFFF; box-shadow: 0 1px 2px rgba(0,0,0,0.25); }
.mock .m-tog.on { background: var(--m-green); }
.mock .m-tog.on::after { left: 20px; }
.mock .m-sheet { background: var(--m-card); border-radius: 14px; text-align: center; overflow: hidden; }
.mock .m-sheet div { padding: 12px; border-top: 1px solid var(--m-sep); color: var(--m-blue); font-size: 16px; }
.mock .m-sheet div:first-child { border-top: 0; color: var(--m-sub); font-size: 13px; }
.mock .m-sheet div:first-child b { display: block; color: var(--m-fg); font-size: 13px; margin-bottom: 2px; }
.mock .m-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mock .m-tile { background: var(--m-card); border-radius: 12px; padding: 10px 12px; }
.mock .m-tile b { display: block; font-size: 22px; margin-top: 2px; }
.mock .m-mic { width: 74px; height: 74px; border-radius: 50%; background: var(--m-indigo); color: #FFFFFF; display: grid; place-items: center; margin: 6px auto 2px;
  box-shadow: 0 0 0 12px color-mix(in srgb, var(--m-indigo) 18%, transparent); }
.mock .m-btns { display: flex; gap: 8px; padding: 0 14px 12px; flex-wrap: wrap; }
.mock .m-nav { display: flex; justify-content: space-between; font-size: 15px; color: var(--m-blue); padding: 0 4px 4px; }
.mock .m-nav b { color: var(--m-fg); }

/* Guide hub and chapters */
.chapters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.chapter { display: flex; gap: 14px; align-items: flex-start; text-decoration: none; color: var(--fg); background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.chapter:hover { border-color: var(--indigo); color: var(--fg); }
.chapter .num { flex-shrink: 0; width: 32px; height: 32px; border-radius: 10px; background: var(--soft); color: var(--indigo); display: grid; place-items: center; font-family: var(--display); font-weight: 900; }
.chapter strong { display: block; font-family: var(--display); font-size: 1.05rem; }
.chapter span span { display: block; color: var(--muted); font-size: 0.93rem; margin-top: 2px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; font-weight: 700; }
.pager a { text-decoration: none; }
.eyebrow a { color: inherit; text-decoration: none; }
.checklist { list-style: none; padding-left: 0; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: ""; position: absolute; left: 2px; top: 4px; width: 16px; height: 16px; border: 2px solid var(--indigo); border-radius: 5px; }
@media (max-width: 760px) { .chapters { grid-template-columns: minmax(0, 1fr); } }
.article ul.columns { columns: 2; column-gap: 28px; }
.article ul.columns li { break-inside: avoid; }
@media (max-width: 760px) { .article ul.columns { columns: 1; } }

/* App Store: badge, coming-soon label, get-the-app panel, QR (computers only) */
.store-badge { display: inline-flex; line-height: 0; }
.store-badge img { display: block; }
.soon { display: inline-block; font-weight: 700; color: var(--muted); }
.foot-get { width: 100%; display: flex; }
.foot-get .soon { font-size: 0.9rem; }
.get-app { margin-top: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; display: flex; gap: 28px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.get-app > div:first-child { display: flex; flex-direction: column; gap: 10px; min-width: 0; flex: 1 1 280px; }
.get-app p { color: var(--muted); }
.store-qr { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; max-width: 180px; }
.store-qr .qr-img svg { width: 140px; height: 140px; display: block; border-radius: 10px; }
.store-qr p { font-size: 0.8rem; color: var(--muted); }
@media (max-width: 760px), (hover: none) { .store-qr { display: none; } }