/* MLC Sensor Monitor — Trichter-Statik (Landing, /info, /register).
   Bewusst framework-frei: eine CSS-Datei, hell/dunkel via prefers-color-scheme. */
:root {
	--bg: #f7f8fa;
	--fg: #1c2330;
	--muted: #5b6575;
	--card: #ffffff;
	--border: #dfe4ea;
	--accent: #0e7490;
	--accent-fg: #ffffff;
	--ok: #15803d;
}
@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0f141b;
		--fg: #e6ebf2;
		--muted: #9aa7b8;
		--card: #171f29;
		--border: #2a3543;
		--accent: #22b8d4;
		--accent-fg: #06232b;
		--ok: #4ade80;
	}
}
* { box-sizing: border-box; }
body {
	margin: 0;
	font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	background: var(--bg);
	color: var(--fg);
}
header.site {
	display: flex; align-items: center; gap: 1.5rem;
	max-width: 62rem; margin: 0 auto; padding: 1.1rem 1.5rem;
}
header.site .brand { font-weight: 700; font-size: 1.05rem; text-decoration: none; color: var(--fg); }
header.site .brand span { color: var(--accent); }
header.site nav { margin-left: auto; display: flex; gap: 1.1rem; }
header.site nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
header.site nav a:hover, header.site nav a.active { color: var(--fg); }
main { max-width: 62rem; margin: 0 auto; padding: 0 1.5rem 4rem; }
.hero { padding: 4rem 0 2.5rem; max-width: 44rem; }
.hero h1 { font-size: 2.3rem; line-height: 1.2; margin: 0 0 1rem; }
.hero p { font-size: 1.15rem; color: var(--muted); margin: 0 0 1.8rem; }
.cta { display: inline-block; background: var(--accent); color: var(--accent-fg);
	padding: .7rem 1.4rem; border-radius: .6rem; text-decoration: none; font-weight: 600; }
.cta.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); margin-left: .8rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); margin: 2rem 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: .8rem; padding: 1.2rem 1.3rem; }
.card h3 { margin: 0 0 .4rem; font-size: 1.02rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
section.block { margin: 2.5rem 0; }
section.block h2 { font-size: 1.35rem; margin: 0 0 .6rem; }
section.block p, section.block li { color: var(--muted); }
section.block strong { color: var(--fg); }
footer.site {
	border-top: 1px solid var(--border); margin-top: 3rem;
	padding: 1.4rem 1.5rem; max-width: 62rem; margin-left: auto; margin-right: auto;
	color: var(--muted); font-size: .88rem; display: flex; gap: 1.2rem; flex-wrap: wrap;
}
footer.site a { color: var(--muted); }
/* Formular (/register) */
form.lead { display: grid; gap: .9rem; max-width: 30rem; }
form.lead label { display: flex; flex-direction: column; gap: .25rem; font-size: .92rem; color: var(--muted); }
form.lead input, form.lead textarea, form.lead select {
	font: inherit; color: var(--fg); background: var(--card);
	border: 1px solid var(--border); border-radius: .5rem; padding: .55rem .7rem;
}
form.lead button { justify-self: start; }
.notice { border: 1px solid var(--border); background: var(--card); border-radius: .6rem;
	padding: .8rem 1rem; font-size: .95rem; }
.notice.ok { border-color: var(--ok); color: var(--ok); }
.hp { position: absolute; left: -6000px; top: -6000px; } /* Honeypot: unsichtbar für Menschen */