:root {
  --pico-font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  --pico-border-radius: 0.75rem;
  --wide: 64rem;
  --gutter: 1rem;
  --twilight-bg: #17110d;
  --twilight-ink: #f3e9d8;
  --twilight-brass: #c9a66b;
}
body > header, body > main, body > footer { max-width: var(--wide); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
body > header { padding-top: 1rem; padding-bottom: 0; }
nav[aria-label="Main"] { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; align-items: baseline; justify-content: space-between; padding: 0; }
nav[aria-label="Main"] ul { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
nav[aria-label="Main"] li { list-style: none; padding: 0; margin: 0; }
nav[aria-label="Main"] a { text-decoration: none; }
nav[aria-label="Main"] a[aria-current="page"] { text-decoration: underline; text-underline-offset: 0.35em; }
nav .brand { font-weight: 700; font-size: 1.3rem; color: inherit; }
main { padding-top: 1rem; padding-bottom: 2rem; }
h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.12; margin-bottom: 0.5rem; }
h1, h2 { text-wrap: balance; }
p, li, summary { text-wrap: pretty; }
.lead { font-size: 1.15rem; color: var(--pico-muted-color); margin-bottom: 1.25rem; max-width: 34rem; }
.prose { max-width: 42rem; margin: 2.5rem auto 0; }
.prose.center { text-align: center; }
.prose h2 { margin-top: 2.25rem; font-size: 1.4rem; }
.crumb { font-size: 0.9rem; color: var(--pico-muted-color); margin-bottom: 0.5rem; }
.crumb a { color: inherit; }
.eyebrow { font-weight: 600; margin-bottom: 0.5rem; }
.chip { display: inline-block; font-size: 0.78rem; font-weight: 600; padding: 0.1rem 0.6rem; border: 1px solid currentColor; border-radius: 999px; opacity: 0.8; margin-left: 0.4rem; vertical-align: middle; }
.note { font-size: 0.95rem; color: var(--pico-muted-color); }
.links { font-size: 1rem; margin-top: 1rem; }
.placeholder { background: color-mix(in srgb, #f5c542 28%, transparent); padding: 0 0.3rem; border-radius: 0.25rem; }

/* phone pictures */
.phone { display: block; width: 100%; height: auto; border-radius: 1.6rem; border: 1px solid rgba(128,128,128,0.35); box-shadow: 0 10px 30px rgba(0,0,0,0.25); background: #111; }

/* home */
.hero-home { text-align: center; padding: 1rem 0 1.25rem; }
.hero-home .lead { margin-left: auto; margin-right: auto; }
.tiles { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile { display: flex; flex-direction: column; justify-content: space-between; border-radius: 1.5rem; padding: 1.75rem 1.5rem 0; overflow: hidden; text-decoration: none; height: 30rem; transition: transform 0.15s ease; }
.tile:hover, .tile:focus-visible { transform: translateY(-3px); }
.tile h2 { font-size: 1.6rem; margin: 0 0 0.25rem; color: inherit; }
.tile p { margin: 0 0 0.75rem; color: inherit; opacity: 0.85; }
.tile-text { text-align: center; }
.tile-text .chip { margin-left: 0; }
.tile-shot { width: min(15rem, 62%); margin: 1.25rem auto 0; align-self: center; flex: 1; overflow: hidden; border-radius: 1.6rem 1.6rem 0 0; }
.tile-shot .phone { border-bottom: 0; border-radius: 1.6rem 1.6rem 0 0; box-shadow: none; }
.tile-twilight { background: var(--twilight-bg); color: var(--twilight-ink); }

/* app pages */
.app-hero { display: grid; gap: 2rem; grid-template-columns: 1fr; padding: 1.5rem 0 1rem; align-items: center; }
@media (min-width: 760px) { .app-hero { grid-template-columns: 1.2fr 0.8fr; } }
.app-hero-shot { width: min(17rem, 70%); justify-self: center; }
.screens { display: flex; gap: 1.25rem; overflow-x: auto; scroll-snap-type: x mandatory; padding: 1.5rem 0.25rem 1rem; margin-top: 1rem; -webkit-overflow-scrolling: touch; }
.screens figure { flex: 0 0 min(15rem, 68%); margin: 0; scroll-snap-align: center; }
.screens figcaption { text-align: center; font-size: 0.9rem; margin-top: 0.75rem; color: var(--pico-muted-color); }
@media (min-width: 900px) { .screens { justify-content: center; overflow: visible; } .screens figure { flex-basis: 15rem; } }
.cards { display: grid; gap: 0.9rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { border: 1px solid var(--pico-muted-border-color); border-radius: 1rem; padding: 1rem 1.1rem; }
.card h3 { font-size: 1.05rem; margin: 0 0 0.3rem; }
.card p { margin: 0; font-size: 0.97rem; color: var(--pico-muted-color); }
table th { width: 11rem; font-weight: 600; }

/* app colour themes */
.theme-twilight { --pico-primary: #7a5a22; --pico-primary-hover: #5f4518; --pico-primary-underline: rgba(122,90,34,0.5); }
.theme-twilight .app-hero { background: var(--twilight-bg); color: var(--twilight-ink); border-radius: 1.5rem; padding: 2rem 1.5rem; margin-top: 1rem; }
.theme-twilight .app-hero h1, .theme-twilight .app-hero .eyebrow { color: var(--twilight-ink); }
.theme-twilight .app-hero .lead, .theme-twilight .app-hero .note { color: #d4c7b2; }
.theme-twilight .app-hero a { color: var(--twilight-brass); }

/* footer */
footer { margin-top: 2rem; padding-top: 1.5rem; padding-bottom: 2.5rem; border-top: 1px solid var(--pico-muted-border-color); font-size: 0.92rem; color: var(--pico-muted-color); }
.foot-cols { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
@media (min-width: 700px) { .foot-cols { grid-template-columns: repeat(3, 1fr); } }
footer h3 { font-size: 0.95rem; margin-bottom: 0.4rem; color: var(--pico-color); }
footer ul { padding: 0; margin: 0; list-style: none; }
footer li { padding: 0; margin: 0 0 0.25rem; }
footer .made { margin-top: 1.5rem; }
footer ul, footer li { list-style: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) .theme-twilight { --pico-primary: #dcbd82; --pico-primary-hover: #ecd2a0; }
}
nav[aria-label="Main"] a { display: inline-block; padding: 0.75rem 0; }
nav .brand { padding: 0.25rem 0; }
footer li a { display: inline-block; padding: 0.7rem 0; }
details summary::after { float: right; margin-top: 0.35rem; }

.summary { border: 1px solid var(--pico-muted-border-color); border-radius: 1rem; padding: 0.25rem 1.25rem 0.75rem; margin: 1.5rem 0; background: color-mix(in srgb, var(--pico-primary) 6%, transparent); }
.summary h2 { margin-top: 1rem; }
.tile .eyebrow { font-size: 0.9rem; opacity: 0.85; margin: 0 0 0.4rem; }
details summary { padding: 0.5rem 0; }
.prose ol, .prose ul { padding-left: 1.25rem; }

.links a, .crumb a { display: inline-block; padding: 0.75rem 0.25rem; }
.crumb { margin-bottom: 0; }
.prose li > a:first-child, footer .made a { display: inline-block; padding: 0.6rem 0; }
details summary { padding: 0.9rem 0; line-height: 1.4; }
details summary::after { margin-top: 0.15rem; }
.lead { text-wrap: balance; }
.links .sep { opacity: 0.5; }

.prose li > a:first-child, footer .made a { padding: 0.75rem 0; }
.applinks a { display: inline-block; padding: 0.75rem 0.75rem 0.75rem 0; }
.applinks { list-style: none; padding-left: 0; }
nav[aria-label="Main"] li a { margin: 0; padding: 0.75rem 0; }
nav[aria-label="Main"] .brand { padding: 0.25rem 0; }
nav[aria-label="Main"] .brand { padding: 0.65rem 0; }

.tiles > .tile:only-child { grid-column: 1 / -1; max-width: 34rem; margin: 0 auto; width: 100%; }
.app-hero a[role="button"] { display: inline-block; padding: 0.7rem 1.4rem; border-radius: 999px; text-decoration: none; font-weight: 600; margin: 0.25rem 0 0.25rem; }
.theme-twilight .app-hero a[role="button"] { background: var(--twilight-brass); color: #17110d; border-color: var(--twilight-brass); }

/* focus: at least 3:1 on every background */
a:focus-visible, summary:focus-visible, [role="button"]:focus-visible { outline: 3px solid #0b57d0; outline-offset: 3px; box-shadow: none; border-radius: 4px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme=light]) a:focus-visible, :root:not([data-theme=light]) summary:focus-visible { outline-color: #8ab4f8; } }
.theme-twilight .app-hero a:focus-visible { outline-color: #f3e9d8; }

/* hit areas of 44px */
nav[aria-label="Main"] li a { padding: 0.75rem 0.5rem; }
nav[aria-label="Main"] .brand { padding: 0.65rem 0; }
footer li a { padding: 0.7rem 0.5rem 0.7rem 0; min-width: 44px; }
.prose p a, .prose li a, .lead a, .summary a, .crumb a, .made a { display: inline-block; padding: 0.7rem 0.15rem; margin: -0.35rem 0; }
.prose details p a { margin: 0; }
.links { display: flex; flex-wrap: wrap; gap: 0 1rem; margin: 0; }
.links a { padding: 0.75rem 0; }

/* footer labels are labels, not headings */
.foot-head { font-weight: 700; font-size: 1rem; color: var(--pico-color); margin: 0 0 0.4rem; }
footer ul { font-size: 0.9rem; }

/* hero: button and links on one row, tighter, so links show on the first screen */
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0 1.25rem; margin-top: 0.5rem; }
.cta-row a:not([role="button"]) { padding: 0.9rem 0; display: inline-block; }
.app-hero { padding: 1rem 0 0.5rem; gap: 1.5rem; }
.theme-twilight .app-hero { padding: 1.25rem 1.5rem; }
.app-hero h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
.app-hero .lead { font-size: 1.05rem; margin-bottom: 0.5rem; }

/* mobile header: one tidy row; left edges line up */
nav[aria-label="Main"] ul li:first-child a { padding-left: 0; }
@media (max-width: 560px) {
  nav[aria-label="Main"] { flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 1rem; }
  nav[aria-label="Main"] ul { gap: 0 0.5rem; font-size: 0.95rem; }
  .cta-row a[role="button"] { flex-basis: 100%; text-align: center; margin-bottom: 0.25rem; }
  .cta-row { gap: 0 1.5rem; }
}
.foot-head { font-size: 1.1rem; }
footer ul { font-size: 0.85rem; }
.lead { margin-bottom: 0.75rem; }
.prose .lead + .links, .prose .lead + p { margin-top: 0; }
.links a { margin-right: 0; }
footer li a { padding: 0.8rem 0.5rem 0.8rem 0; }
footer .made a { padding: 0.8rem 0.15rem; }