/* Produktseite Bambu-Telemetrie. Farben aus den Design-Tokens der PWA (web/src/styles.css), Schriften vom System. */
:root {
  --bg: #05080C; --panel: #0A1118; --panel2: #070C11; --border: #16242F; --border2: #1E3442; --grid: #12202A;
  --text: #D7E6EE; --strong: #EAF6FB; --text2: #9DB3C0; --muted: #7F98A6;
  --cyan: #3FE0D0; --amber: #FFB547;
  --mono: ui-monospace, 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max: 1180px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--cyan); }
code { font-family: var(--mono); font-size: .9em; color: var(--strong); background: var(--panel2); border: 1px solid var(--border); border-radius: 4px; padding: 0 .3em; }
pre { overflow-x: auto; background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; font-size: 13px; }
pre code { border: 0; background: none; padding: 0; color: var(--text2); }
:focus-visible { outline: 1px solid var(--cyan); outline-offset: 2px; }
h1, h2, h3 { color: var(--strong); line-height: 1.2; letter-spacing: .01em; }
h1 { font-size: clamp(30px, 4.4vw, 50px); margin: .2em 0 .5em; }
h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 .5em; }
h3 { font-size: 18px; margin: 0 0 .4em; }

/* Kopf */
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; padding: 10px max(20px, calc((100% - var(--max)) / 2));
  background: rgba(5, 8, 12, .92); border-bottom: 1px solid var(--grid); backdrop-filter: blur(6px); }
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; flex: none; }
.brand b { display: block; font-size: 15px; letter-spacing: .12em; color: var(--strong); }
.brand small { display: block; font: 11px var(--mono); color: var(--muted); }
.top nav { display: flex; align-items: center; gap: 4px 18px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.top nav a { color: var(--text2); text-decoration: none; font-size: 14px; }
.top nav a:hover { color: var(--cyan); }
.top nav a.btn { color: #04211E; }
@media (max-width: 860px) { .top nav a:not(.btn) { display: none; } }

main { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 64px 0 8px; }
.sub { color: var(--text2); margin-top: -.3em; }
.kicker { font: 600 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin: 0; }

/* Knöpfe */
.btn { display: inline-block; padding: 12px 20px; border-radius: 6px; border: 1px solid var(--cyan); background: var(--cyan); color: #04211E;
  font-weight: 600; text-decoration: none; }
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--cyan); }
.btn.small { padding: 6px 14px; font-size: 14px; color: #04211E; }
.btn.big { font-size: 17px; padding: 14px 24px; word-break: break-all; }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; padding-top: 56px; }
.lead { font-size: 18px; color: var(--text2); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--text2); font-size: 15px; }
.facts b { display: inline-block; min-width: 118px; color: var(--strong); }
.hero-shot { margin: 0; max-height: 620px; overflow: hidden; }
.hero-shot img { display: block; width: 100%; height: auto; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } .hero-shot { max-height: 420px; } }

/* Karten mit Eckmarken wie im Dashboard */
.card, .frame { position: relative; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; }
.card { padding: 22px; }
.card::before, .card::after, .frame::before, .frame::after { content: ''; position: absolute; width: 12px; height: 12px; pointer-events: none; }
.card::before, .frame::before { top: -1px; left: -1px; border-top: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
.card::after, .frame::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--cyan); border-right: 2px solid var(--cyan); }
.card p { margin: 0; color: var(--text2); }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 980px) { .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid3 { grid-template-columns: 1fr; } }

/* Galerie mit Layout-Umschalter (nur CSS) */
.tabs > input { position: absolute; opacity: 0; pointer-events: none; }
.tablist { display: flex; flex-wrap: wrap; gap: 6px; margin: 20px 0; }
.tablist label { cursor: pointer; padding: 8px 16px; border: 1px solid var(--border2); border-radius: 999px; color: var(--text2); font-size: 14px; }
.tablist label:hover { color: var(--strong); }
#l-quer:checked ~ .tablist [for=l-quer], #l-hoch:checked ~ .tablist [for=l-hoch],
#l-handy:checked ~ .tablist [for=l-handy], #l-app:checked ~ .tablist [for=l-app] { background: #0E1D22; border-color: var(--cyan); color: var(--cyan); }
#l-quer:focus-visible ~ .tablist [for=l-quer], #l-hoch:focus-visible ~ .tablist [for=l-hoch],
#l-handy:focus-visible ~ .tablist [for=l-handy], #l-app:focus-visible ~ .tablist [for=l-app] { outline: 1px solid var(--cyan); outline-offset: 2px; }
.panel { display: none; }
#l-quer:checked ~ .p-quer, #l-hoch:checked ~ .p-hoch, #l-handy:checked ~ .p-handy, #l-app:checked ~ .p-app { display: grid; }
.gallery { gap: 16px; align-items: start; }
.gallery.wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gallery.full { display: grid; grid-template-columns: 1fr; }
.gallery.full figcaption { font: 13px var(--sans, sans-serif); letter-spacing: 0; line-height: 1.45; }
.gallery.tall { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.gallery.phone { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
@media (max-width: 700px) { .gallery.wide { grid-template-columns: 1fr; } }
.gallery figure { margin: 0; }
.gallery img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 6px; }
.gallery.wide img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.gallery.tall img, .gallery.phone img { aspect-ratio: 3 / 5; object-fit: cover; object-position: top; }
.gallery figcaption { font: 12px var(--mono); color: var(--muted); margin-top: 6px; letter-spacing: .04em; }

/* Voraussetzungen */
.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.split .note { margin-top: 64px; }
.split .note h3 + p { margin-bottom: 18px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split .note { margin-top: 0; } }
.spec { margin: 0; }
.spec dt { font: 600 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); margin-top: 18px; }
.spec dd { margin: 4px 0 0; color: var(--text2); }
.spec b, .steps b { color: var(--strong); }

/* Installation */
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 12px; }
.steps li { counter-increment: s; position: relative; padding: 14px 16px 14px 56px; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; color: var(--text2); }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 13px; width: 26px; height: 26px; border: 1px solid var(--cyan); border-radius: 50%;
  display: grid; place-items: center; font: 600 13px var(--mono); color: var(--cyan); }
.hint { color: var(--muted); font-size: 14px; }

/* Download */
.download { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 32px; margin-top: 64px; padding: 32px; }
.download > div > p { color: var(--text2); }
.download .verify p { margin: 0 0 6px; }
.hash { display: block; word-break: break-all; padding: 8px 10px; margin: 4px 0 10px; color: var(--amber); }
.small { font-size: 13px; color: var(--muted) !important; }
.small .hash { display: inline; padding: 0 .3em; margin: 0; font-size: 12px; }
@media (max-width: 860px) { .download { grid-template-columns: 1fr; padding: 22px; } }

/* Changelog */
.release { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 18px 22px; margin-bottom: 12px; color: var(--text2); }
.release h3 span { font: 13px var(--mono); color: var(--muted); margin-left: 8px; }
.release p { margin: 0; }
.release ul { margin: 10px 0 0; padding-left: 20px; }
.release li { margin: 4px 0; }
.release b { color: var(--strong); }
summary { cursor: pointer; color: var(--strong); }

footer { max-width: var(--max); margin: 64px auto 0; padding: 24px 20px 40px; border-top: 1px solid var(--grid); color: var(--muted); font-size: 13px; }
@media (max-width: 620px) { .facts b { display: block; } }