/* Tavul brand tokens. System fonts and local assets only. */
:root {
  color-scheme: light;
  --background: #f2f2f7;
  --card: #fff;
  --text: #1c1c1e;
  --muted: #62626b;
  --accent: #2457c5;
  --on-accent: #fff;
  --accent-subtle: #edf2ff;
  --border: #d1d1d6;
  --success: #237145;
  --success-subtle: #eaf6ee;
  --demo: #f2f2f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--background); color: var(--text); font-size: 1rem; line-height: 1.6; overflow-wrap: anywhere; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; }
h1 { font-size: clamp(3rem, 5.5vw, 5rem); font-weight: 700; letter-spacing: -.055em; }
h2 { font-size: clamp(2rem, 3.3vw, 3rem); font-weight: 650; letter-spacing: -.04em; }
h3 { font-size: 1.625rem; font-weight: 650; letter-spacing: -.025em; }
p { text-wrap: pretty; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.icon { width: 24px; height: 24px; flex: 0 0 24px; vertical-align: middle; }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 12px 24px; background: var(--card); z-index: 10; }
.skip-link:focus { top: 16px; }
.header { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-size: 1.625rem; font-weight: 700; letter-spacing: -.04em; text-decoration: none; min-height: 44px; }
.brand img { border-radius: 10px; flex-shrink: 0; }
.main-nav { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-left: auto; margin-right: 40px; }
.main-nav a { color: var(--muted); font-size: .9375rem; padding-block: 10px; text-decoration: none; }
.main-nav a:hover { color: var(--accent); }
.language-nav { display: flex; background: var(--card); border-radius: 100px; padding: 4px; }
.language-nav a { display: grid; place-items: center; min-height: 44px; min-width: 48px; padding: 6px 12px; font-size: .875rem; font-weight: 600; text-decoration: none; border-radius: 100px; color: var(--muted); }
.language-nav a[aria-current] { color: var(--on-accent); background: var(--accent); }
.header-controls { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.theme-picker { position: relative; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 100%; background: var(--card); color: var(--accent); }
.theme-picker[hidden], .theme-picker [hidden] { display: none; }
.theme-picker select { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; font: inherit; }
.theme-picker:focus-within { outline: 3px solid var(--accent); outline-offset: 5px; }
.theme-picker:hover { background: var(--accent-subtle); }
.hero { display: grid; grid-template-columns: 1.16fr 1fr; align-items: center; gap: 56px; padding-block: 32px 64px; }
.hero-copy { padding-block: 40px; }
.eyebrow { color: var(--accent); font-size: .875rem; font-weight: 650; letter-spacing: .035em; margin-bottom: 24px; }
.hero h1 span { color: var(--accent); }
.intro { max-width: 460px; color: var(--muted); font-size: 1.1875rem; line-height: 1.7; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 56px; padding: 14px 24px; border-radius: 100px; font-size: 1rem; font-weight: 600; text-decoration: none; transition: transform .2s; }
.button:hover { transform: translateY(-2px); }
.primary { margin-top: 32px; color: var(--on-accent); background: var(--accent); }
.release { margin-top: 28px; display: grid; gap: 3px; font-size: .875rem; }
.release strong { font-weight: 600; }
.release span { color: var(--muted); }
.app-preview { background: var(--accent-subtle); border-radius: 32px; padding: 28px 24px 24px; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.preview-label { color: var(--accent); font-size: .875rem; font-weight: 600; text-align: center; }
.app-preview picture { width: min(100%, 258px); }
.app-preview img { border-radius: 26px; }
.app-preview figcaption { font-size: .75rem; color: var(--muted); text-align: center; }
.principles { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding-block: 24px; }
.principles ul { list-style: none; padding: 0; margin: 0; display: flex; justify-content: space-between; gap: 24px; }
.principles li { display: flex; align-items: center; gap: 10px; font-size: .875rem; }
.principles .icon { width: 18px; height: 18px; flex-basis: 18px; color: var(--accent); }
.gallery-section { padding-block: 96px 24px; overflow: hidden; }
.gallery-heading { margin-bottom: 36px; }
.gallery-heading .eyebrow { margin-bottom: 16px; }
.gallery-heading > p:last-child { margin-top: 16px; color: var(--muted); }
.gallery-viewport { overflow: hidden; }
.gallery-track { display: flex; width: max-content; animation: gallery-scroll 89s linear infinite; }
.gallery-set { display: flex; gap: 24px; padding: 0 24px 0 0; margin: 0; list-style: none; }
.gallery-set li { width: 220px; flex: none; }
.gallery-set img { width: 100%; height: auto; user-select: none; -webkit-user-drag: none; }
@keyframes gallery-scroll { to { transform: translateX(-50%); } }
.section { padding-top: 112px; }
.section-heading { max-width: 720px; margin-bottom: 40px; }
.section-heading .eyebrow { margin-bottom: 16px; }
.section-heading > p:last-child { margin-top: 20px; color: var(--muted); font-size: 1.125rem; }
.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mode-card { background: var(--card); border-radius: 20px; padding: 36px; display: flex; flex-direction: column; }
.mode-label { display: flex; align-items: center; gap: 16px; margin-bottom: 36px; color: var(--accent); font-size: .9375rem; font-weight: 600; }
.mode-label > span { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .875rem; }
.mode-card > p { color: var(--muted); margin-top: 20px; }
.mode-card > h3 { max-width: 340px; }
.schedule-demo, .interval-demo { background: var(--demo); margin-top: 32px; border-radius: 16px; min-height: 182px; }
.schedule-demo { display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 8px; padding: 24px 12px; }
.schedule-step { display: grid; gap: 6px; justify-items: center; font-size: .875rem; color: var(--muted); }
.schedule-step strong { font-size: 1rem; color: var(--text); font-variant-numeric: tabular-nums; }
.step-mark { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--border); border-radius: 100%; margin-bottom: 6px; }
.schedule-step:first-child .step-mark { color: var(--success); background: var(--success-subtle); border: 0; }
.step-mark .icon { width: 16px; height: 16px; }
.interval-demo { padding: 24px 16px; display: grid; place-content: center; text-align: center; gap: 6px; }
.interval-demo span { color: var(--muted); font-size: .875rem; }
.interval-demo strong { color: var(--accent); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; font-weight: 600; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.mode-card .mode-footnote { font-size: .875rem; margin-top: 18px; }
.medical-note { font-size: .875rem; color: var(--muted); margin: 24px auto 0; max-width: 920px; text-align: center; }
.details-section { padding-block: 96px; }
.details-section > h2 { max-width: 650px; margin-bottom: 40px; }
.details-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.detail-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-subtle); display: grid; place-items: center; color: var(--accent); margin-bottom: 24px; }
.detail h3 { font-size: 1.25rem; line-height: 1.3; }
.detail p { margin-top: 16px; color: var(--muted); }
.privacy-panel { background: var(--accent); color: var(--on-accent); padding: 64px; border-radius: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.privacy-panel .eyebrow { color: inherit; display: flex; align-items: center; gap: 12px; }
.privacy-panel h2 { font-size: clamp(2.25rem, 4.3vw, 3.75rem); }
.privacy-copy { font-size: 1.125rem; }
.privacy-copy p + p { font-size: .9375rem; margin-top: 20px; }
.light { background: var(--on-accent); color: var(--accent); margin-top: 28px; }
.privacy-panel :focus-visible { outline-color: var(--on-accent); }
.faq-section { padding-block: 112px 96px; display: grid; grid-template-columns: .9fr 1.2fr; gap: 80px; }
.faq-section > h2 { max-width: 380px; }
.faqs details { border-bottom: 1px solid var(--border); }
.faqs details:first-child { border-top: 1px solid var(--border); }
.faqs summary { cursor: pointer; padding: 24px 32px 24px 0; font-size: 1.0625rem; font-weight: 600; position: relative; list-style: none; }
.faqs summary::-webkit-details-marker { display: none; }
.faqs summary::after { content: "+"; position: absolute; right: 0; top: 20px; font-size: 1.5rem; font-weight: 400; color: var(--accent); }
.faqs details[open] summary::after { content: "−"; }
.faqs p { color: var(--muted); padding-bottom: 24px; }
.contact-section { padding: 40px 0; border-top: 1px solid var(--border); display: flex; gap: 48px; align-items: center; justify-content: space-between; }
.contact-section h2 { font-size: 1.75rem; }
.contact-section p { max-width: 630px; color: var(--muted); margin-top: 16px; font-size: .9375rem; }
.contact-email { display: inline-flex; align-items: center; gap: 12px; font-size: 1.125rem; min-height: 44px; min-width: 0; }
.footer { padding-block: 40px; margin-top: 48px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: end; gap: 32px; }
.footer .brand { font-size: 1.375rem; }
.footer .brand img { border-radius: 8px; }
.footer p { margin-top: 12px; font-size: .875rem; color: var(--muted); }
.footer-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; font-size: .875rem; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); }
.footer-links span { color: var(--muted); }
.policy-main { padding-top: 40px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: .9375rem; text-decoration: none; margin-bottom: 40px; }
.policy-heading { max-width: 840px; }
.policy-heading .eyebrow { margin-bottom: 16px; }
.policy-heading h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); overflow-wrap: anywhere; }
.updated { font-size: .875rem; color: var(--muted); margin-top: 20px; }
.policy-intro { font-size: 1.25rem; color: var(--muted); margin-top: 28px; }
.policy-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 72px; margin-top: 64px; }
.policy-toc nav { position: sticky; top: 32px; }
.policy-toc h2 { font-size: .875rem; letter-spacing: 0; margin-bottom: 16px; }
.policy-toc ol { padding: 0; margin: 0; list-style: none; }
.policy-toc a { color: var(--muted); text-decoration: none; display: block; padding-block: 12px; font-size: .875rem; line-height: 1.4; }
.policy-toc a:hover { color: var(--accent); text-decoration: underline; }
.policy-summary { background: var(--accent-subtle); padding: 32px; border-radius: 20px; margin-bottom: 48px; }
.policy-summary h2 { font-size: 1.5rem; }
.policy-summary ul { padding: 0; margin: 24px 0 0; list-style: none; }
.policy-summary li { display: flex; align-items: start; gap: 12px; margin-top: 16px; }
.policy-summary .icon { color: var(--accent); margin-top: 2px; }
.policy-content { max-width: 760px; }
.policy-content section { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.policy-content section h2 { font-size: 1.5rem; line-height: 1.25; letter-spacing: -.02em; display: flex; gap: 16px; align-items: baseline; }
.policy-content section h2 span { font-size: .875rem; color: var(--accent); font-weight: 500; letter-spacing: 0; }
.policy-content section p { margin-top: 20px; color: var(--muted); line-height: 1.8; overflow-wrap: anywhere; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; --background: #000; --card: #1c1c1e; --text: #f5f5f7; --muted: #aeaeb8; --accent: #9ab8ff; --on-accent: #102452; --accent-subtle: #202d48; --border: #48484a; --success: #78d99c; --success-subtle: #182f22; --demo: #2c2c2e; }
}
:root[data-theme="dark"] { color-scheme: dark; --background: #000; --card: #1c1c1e; --text: #f5f5f7; --muted: #aeaeb8; --accent: #9ab8ff; --on-accent: #102452; --accent-subtle: #202d48; --border: #48484a; --success: #78d99c; --success-subtle: #182f22; --demo: #2c2c2e; }
@media (min-width: 1200px) { .hero-copy { padding-right: 8px; } }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 32px; }
  .main-nav { margin-right: 8px; gap: 20px; }
  .privacy-panel { padding: 40px; gap: 40px; }
  .faq-section { gap: 40px; }
  .contact-section { flex-wrap: wrap; gap: 24px; }
  .footer { align-items: start; }
  .footer-links { flex-direction: column; align-items: start; gap: 4px; }
  .policy-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
  .mode-card { padding: 28px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .header { min-height: 88px; flex-wrap: wrap; padding-block: 16px; gap: 12px; }
  .header-controls { margin-left: auto; gap: 8px; }
  .main-nav { order: 3; width: 100%; justify-content: center; margin: 0; gap: 24px; border-top: 1px solid var(--border); padding-top: 8px; }
  .main-nav a { font-size: .875rem; }
  .hero { grid-template-columns: 1fr; padding-block: 20px 40px; gap: 32px; }
  .hero-copy { padding-block: 24px 0; }
  h1 { font-size: clamp(2.75rem, 9vw, 4.5rem); }
  .hero .eyebrow { margin-bottom: 20px; }
  .intro { max-width: 540px; font-size: 1.125rem; margin-top: 24px; }
  .app-preview { border-radius: 24px; gap: 20px; }
  .app-preview picture { width: min(100%, 246px); }
  .principles ul { flex-direction: column; gap: 16px; }
  .gallery-section { padding-block: 64px 16px; }
  .gallery-set { gap: 16px; padding-right: 16px; }
  .gallery-set li { width: 172px; }
  .section { padding-top: 64px; }
  .modes { grid-template-columns: 1fr; }
  .mode-label { margin-bottom: 24px; }
  .details-section { padding-block: 64px; }
  .details-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-icon { margin-bottom: 16px; }
  .detail p { margin-top: 12px; }
  .privacy-panel { grid-template-columns: 1fr; padding: 32px 24px; gap: 28px; }
  .privacy-panel h2 { font-size: clamp(2rem, 8vw, 3rem); }
  .privacy-panel .button { padding-inline: 20px; font-size: .9375rem; gap: 12px; text-align: left; }
  .faq-section { grid-template-columns: 1fr; padding-block: 64px; gap: 32px; }
  .faq-section > h2 { max-width: none; }
  .contact-section { padding-block: 32px; }
  .footer { margin-top: 24px; flex-direction: column; padding-block: 32px; }
  .policy-main { padding-top: 16px; }
  .back-link { margin-bottom: 24px; }
  .policy-intro { font-size: 1.125rem; }
  .policy-layout { grid-template-columns: 1fr; margin-top: 40px; gap: 32px; }
  .policy-toc nav { position: static; }
  .policy-toc ol { columns: 2; column-gap: 24px; }
  .policy-toc li { break-inside: avoid; }
  .policy-summary { padding: 24px; }
  .policy-content section h2 { font-size: 1.375rem; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .gallery-viewport { overflow-x: auto; }
  .gallery-track { animation: none; }
  .gallery-set[aria-hidden] { display: none; }
  .button:hover { transform: none; }
}
@media print {
  :root, :root[data-theme] { color-scheme: light; --background: #fff; --text: #000; --muted: #333; --accent: #2457c5; --accent-subtle: #fff; }
  .header, .footer, .back-link, .policy-toc, .skip-link { display: none; }
  .wrap { width: 100%; }
  .policy-layout { display: block; margin-top: 32px; }
  .policy-summary { border: 1px solid #aaa; }
  .policy-content section { break-inside: avoid; }
  h2 { break-after: avoid; }
}