:root {
  color-scheme: light;
  --canvas: #f6f8fb;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #d8e1e9;
  --navy: #0b1220;
  --navy-surface: #132233;
  --navy-raised: #1b2c40;
  --on-navy: #f4f8fb;
  --on-navy-muted: #a7b6c7;
  --teal: #0f766e;
  --teal-bright: #5eead4;
  --on-teal: #062621;
  --interactive-border: #5b7188;
  --radius: 20px;
  --width: 1184px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--teal); text-underline-offset: 4px; }
a, summary { touch-action: manipulation; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; border-radius: 4px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; line-height: 1.12; }
h1 { font-size: clamp(2.8rem, 5.2vw, 4.8rem); letter-spacing: -.055em; font-weight: 750; }
h2 { font-size: clamp(2rem, 3.8vw, 3rem); letter-spacing: -.04em; font-weight: 700; }
h3 { font-size: 1.25rem; letter-spacing: -.02em; line-height: 1.25; }
p { text-wrap: pretty; }
.container { width: min(var(--width), calc(100% - 40px)); margin-inline: auto; }
.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; }
.skip-link { position: absolute; z-index: 100; top: 8px; left: 8px; padding: 12px 20px; color: var(--ink); background: var(--surface); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.icon { width: 24px; height: 24px; flex: none; }
.eyebrow { display: block; color: var(--teal); font-size: .875rem; line-height: 1.4; font-weight: 700; margin-bottom: 16px; }
.section { padding-block: 88px; }
.section-heading { max-width: 690px; margin-bottom: 40px; }
.section-heading p { margin-top: 20px; color: var(--muted); max-width: 62ch; }

.site-header { background: var(--navy); color: var(--on-navy); }
.header-inner { min-height: 88px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-size: 1.375rem; font-weight: 750; letter-spacing: -.03em; min-height: 48px; }
.brand img { border-radius: 10px; flex: none; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.nav-links a { display: inline-flex; align-items: center; min-height: 48px; color: var(--on-navy-muted); font-size: .9375rem; font-weight: 600; text-decoration: none; }
.nav-links a:hover { color: var(--on-navy); }
.nav-links .nav-download { color: var(--on-navy); border: 1px solid var(--interactive-border); padding: 9px 18px; border-radius: 8px; gap: 8px; }
.nav-download .icon { width: 16px; height: 16px; }
.nav-links .nav-download { display: none; }
.site-header a:focus-visible, .hero a:focus-visible, .cta-band a:focus-visible, .site-footer a:focus-visible { outline-color: var(--teal-bright); }

.hero { background: var(--navy); color: var(--on-navy); padding: 28px 0 72px; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 630px; }
.hero .eyebrow { color: var(--teal-bright); }
.hero-title-accent { color: var(--teal-bright); }
.hero-copy > p { color: var(--on-navy-muted); font-size: 1.125rem; line-height: 1.65; margin-top: 24px; max-width: 49ch; }
.store-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.store-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 64px; min-width: 194px; padding: 12px 20px; background: var(--teal-bright); color: var(--on-teal); border: 1px solid var(--teal-bright); border-radius: 10px; text-decoration: none; transition: background-color 160ms ease, border-color 160ms ease; }
.store-button:hover { background: #92f2e2; border-color: #92f2e2; text-decoration: none; }
.store-button--secondary { background: var(--navy-surface); color: var(--on-navy); border-color: var(--interactive-border); }
.store-button--secondary:hover { background: var(--navy-raised); border-color: #65809b; }
.store-button .icon { width: 25px; height: 25px; }
.store-label { display: flex; flex-direction: column; text-align: left; line-height: 1.2; }
.store-label small { font-size: .75rem; font-weight: 500; margin-bottom: 3px; }
.store-label strong { font-size: 1.0625rem; font-weight: 700; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 20px 0 0; padding: 0; list-style: none; color: var(--on-navy-muted); font-size: .875rem; }
.hero-meta li { display: flex; align-items: center; gap: 7px; }
.hero-meta .icon { width: 16px; height: 16px; color: var(--teal-bright); }
.hero-visual { min-width: 0; }
.capture-figure { border-radius: var(--radius); padding: 16px; background: var(--navy-surface); border: 1px solid #2a4058; box-shadow: 0 24px 60px #00000026; }
.capture-figure img { width: 100%; border-radius: 10px; }
.capture-figure figcaption { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; color: var(--on-navy-muted); font-size: .75rem; line-height: 1.5; padding: 14px 4px 2px; }
.capture-figure figcaption strong { color: var(--on-navy); font-size: .8125rem; font-weight: 600; }
.hero-visual-note { display: flex; justify-content: space-between; gap: 12px; padding: 18px 4px 0; font-size: .8125rem; color: var(--on-navy-muted); }
.hero-visual-note span { display: flex; align-items: center; gap: 6px; }
.hero-visual-note .icon { color: var(--teal-bright); width: 17px; height: 17px; }
.hero-visual:empty { display: none; }

.context-strip { background: var(--surface); border-bottom: 1px solid var(--line); }
.context-strip-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px; }
.context-strip p { font-size: 1rem; font-weight: 600; }
.context-list { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: .875rem; }
.context-list li { display: flex; align-items: center; gap: 8px; }
.context-list .icon { width: 20px; height: 20px; color: var(--teal); }

.workflow-section { background: var(--surface); }
.workflow-grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding: 0; margin: 0; list-style: none; }
.workflow-grid li { min-width: 0; }
.step-number { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; margin-bottom: 24px; color: var(--teal); background: #e7f3f1; border-radius: 12px; font-size: 1rem; font-weight: 700; }
.workflow-grid p { color: var(--muted); margin-top: 12px; max-width: 34ch; font-size: 1rem; }

.feature-grid { display: grid; grid-template-columns: 1fr; gap: 0 40px; }
.feature-item { border-top: 1px solid var(--line); padding: 28px 0 32px; min-width: 0; }
.feature-item > .icon { color: var(--teal); margin-bottom: 20px; width: 28px; height: 28px; }
.feature-item p { margin-top: 12px; color: var(--muted); max-width: 38ch; font-size: 1rem; }
.feature-footnote { color: var(--muted); font-size: .875rem; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 12px; max-width: 78ch; }

.usecases-section { background: var(--surface); }
.usecases-grid { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.usecase { padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.usecase .icon { width: 28px; height: 28px; color: var(--teal); margin-bottom: 24px; }
.usecase p { font-size: 1rem; margin-top: 12px; color: var(--muted); max-width: 40ch; }

.privacy-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
.privacy-copy { max-width: 620px; }
.privacy-copy > p { color: var(--muted); margin-top: 20px; }
.privacy-copy .text-link { margin-top: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 1rem; font-weight: 650; min-height: 44px; }
.text-link .icon { width: 20px; height: 20px; }
.privacy-points { margin: 0; padding: 0; list-style: none; }
.privacy-points li { display: flex; gap: 16px; border-top: 1px solid var(--line); padding: 22px 0; }
.privacy-points .icon { color: var(--teal); margin-top: 3px; }
.privacy-points strong { display: block; font-size: 1.0625rem; line-height: 1.4; }
.privacy-points p { color: var(--muted); font-size: .9375rem; line-height: 1.6; margin-top: 6px; }

.faq-section { padding-top: 0; }
.faq-layout { display: grid; grid-template-columns: 1fr; gap: 32px; }
.faq-title { max-width: 370px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 40px 24px 0; color: var(--ink); cursor: pointer; list-style: none; font-weight: 650; font-size: 1rem; line-height: 1.5; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 20px; right: 0; width: 28px; height: 28px; display: grid; place-items: center; color: var(--teal); font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: -4px 0 24px; color: var(--muted); font-size: 1rem; max-width: 62ch; }

.cta-band { background: var(--navy); color: var(--on-navy); padding-block: 72px; }
.cta-inner { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: center; }
.cta-copy { max-width: 670px; }
.cta-copy .eyebrow { color: var(--teal-bright); }
.cta-copy p { margin-top: 18px; color: var(--on-navy-muted); max-width: 53ch; }
.cta-inner .store-buttons { flex-wrap: wrap; }
.site-footer { padding-block: 40px; background: var(--navy); color: var(--on-navy-muted); border-top: 1px solid #2a4058; }
.footer-inner { display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.footer-brand p { font-size: .8125rem; margin-top: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 24px; align-content: start; }
.footer-links a { display: flex; align-items: center; min-height: 44px; color: var(--on-navy-muted); font-size: .875rem; text-decoration: none; }
.footer-links a:hover { color: var(--on-navy); text-decoration: underline; }
.footer-credit { font-size: .75rem; margin-top: 28px; color: var(--on-navy-muted); }
.footer-credit a { display: inline-flex; align-items: center; min-height: 44px; color: inherit; vertical-align: middle; }
.footer-brand p a { display: inline-flex; align-items: center; min-height: 44px; color: inherit; }

@media (min-width: 640px) {
  .container { width: min(var(--width), calc(100% - 64px)); }
  .hero { padding-top: 40px; }
  .workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid, .usecases-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { flex-direction: row; }
  .footer-links { justify-content: flex-end; max-width: 550px; }
}

@media (min-width: 960px) {
  .hero-inner:has(.hero-visual:not(:empty)) { grid-template-columns: 1.02fr 1fr; gap: 60px; align-items: start; }
  .hero { padding: 24px 0 48px; }
  .hero-copy { padding-block: 12px; }
  .capture-figure { max-width: 360px; margin-inline: auto; }
  .capture-image-link { display: block; width: fit-content; margin-inline: auto; }
  .capture-figure img { width: auto; max-height: min(520px, calc(100svh - 210px)); margin-inline: auto; }
  .hero-visual-note { max-width: 360px; margin-inline: auto; flex-wrap: wrap; }
  .hero .store-button { min-width: 190px; padding-inline: 18px; }
  .section { padding-block: 104px; }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .privacy-grid { grid-template-columns: 1.1fr 1fr; gap: 88px; }
  .faq-layout { grid-template-columns: .7fr 1.3fr; gap: 80px; }
  .faq-section { padding-top: 0; }
  .cta-inner { grid-template-columns: 1fr auto; gap: 32px; }
  .cta-inner .store-buttons { margin-top: 0; flex-direction: column; }
}

@media (max-width: 959px) {
  .context-strip-inner { align-items: flex-start; flex-direction: column; gap: 16px; }
  .hero-visual { max-width: 600px; width: 100%; margin-inline: auto; }
  .capture-figure { padding: 12px; }
}

@media (max-width: 639px) {
  .header-inner { min-height: 76px; gap: 16px; }
  .brand { font-size: 1.25rem; }
  .brand img { width: 36px; height: 36px; }
  .nav-links { gap: 12px; }
  .nav-links .nav-section { display: none; }
  .nav-links .nav-store { display: none; }
  .nav-links .nav-download { display: inline-flex; }
  .nav-links .nav-download { font-size: .8125rem; padding-inline: 14px; }
  .section { padding-block: 64px; }
  .hero { padding: 24px 0 48px; }
  .hero-inner { gap: 36px; }
  .hero-copy > p { font-size: 1.0625rem; }
  .hero .store-buttons { gap: 10px; margin-top: 28px; }
  .store-button { min-width: 0; flex: 1 1 140px; padding-inline: 12px; gap: 9px; }
  .store-button .icon { width: 22px; height: 22px; }
  .store-label strong { font-size: .9375rem; }
  .store-label small { font-size: .75rem; }
  .hero-meta { gap: 8px 14px; font-size: .8125rem; }
  .hero-visual-note { justify-content: flex-start; flex-wrap: wrap; padding-top: 14px; }
  .capture-figure figcaption { flex-wrap: wrap; gap: 4px; }
  .context-list { gap: 12px 20px; }
  .workflow-grid { gap: 0; }
  .workflow-grid li { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 16px; padding-block: 20px; border-top: 1px solid var(--line); }
  .step-number { grid-row: 1 / 3; margin: 0; }
  .workflow-grid h3 { align-self: center; }
  .workflow-grid p { grid-column: 2; margin-top: 8px; }
  .usecase { padding: 24px; }
  .privacy-grid { gap: 24px; }
  .faq-section { padding-top: 0; }
  .cta-band { padding-block: 56px; }
  .cta-inner .store-buttons { margin-top: 12px; }
  .footer-links { gap: 2px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media (forced-colors: active) {
  .store-button, .nav-download, .capture-figure, .step-number { border: 1px solid ButtonText; }
  .skip-link { border: 1px solid CanvasText; }
}