:root {
  /* meggsimum CI */
  --bg: #F8F8F6;
  --surface: #ffffff;
  --tint: #FDF2F1;
  --ink: #555555;
  --heading: #262626;
  --muted: #6b6b6b;
  --line: #e3e1dc;
  --accent: #C0392B;
  --btn: #E10707;
  --btn-hover: #C0392B;
  --btn-ink: #ffffff;
  --code-bg: #efeeea;
  --focus: #262626;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1b1b;
    --surface: #272424;
    --tint: #2e2120;
    --ink: #d6d4d0;
    --heading: #f4f2ef;
    --muted: #a9a6a1;
    --line: #3d3836;
    --accent: #ff7a6b;
    --btn: #E10707;
    --btn-hover: #f0281c;
    --btn-ink: #ffffff;
    --code-bg: #171515;
    --focus: #f4f2ef;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-wrap: break-word;
  -webkit-tap-highlight-color: transparent;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.wrap { width: min(72rem, 100% - 2.5rem - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)); margin-inline: auto; }
a { color: var(--accent); text-underline-offset: 0.15em; }
a:focus-visible, button:focus-visible, input:focus-visible, pre:focus-visible {
  outline: 3px solid var(--focus); outline-offset: 2px;
}
h1, h2, h3 { color: var(--heading); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.75em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; margin-top: 1.5em; }
h3:first-child { margin-top: 0; }
hgroup { margin-bottom: 1.25rem; }
hgroup h2 { margin-bottom: 0.15em; }
.subtitle { margin: 0; color: var(--muted); font-size: 1.1rem; font-weight: 500; line-height: 1.4; }
.probe .subtitle { font-size: 0.95rem; }
p, ul, dl { margin: 0 0 1em; }
.lead { font-size: 1.2rem; max-width: 60ch; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

.skip { position: absolute; left: -999px; top: 0; background: var(--btn); color: var(--btn-ink); padding: 0.5rem 1rem; z-index: 20; }
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  padding: 0.6rem max(1.25rem, calc((100% - 72rem) / 2));
  padding-top: calc(0.6rem + env(safe-area-inset-top, 0px));
  padding-left: max(1.25rem, calc((100% - 72rem) / 2), env(safe-area-inset-left, 0px));
  padding-right: max(1.25rem, calc((100% - 72rem) / 2), env(safe-area-inset-right, 0px));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; color: var(--heading); text-decoration: none; }
nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
nav a { color: var(--heading); text-decoration: none; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--btn); }
.nav-toggle { display: none; font: inherit; font-weight: 600; background: none; color: var(--heading); border: 1px solid var(--line); border-radius: 6px; padding: 0 1rem; min-height: 2.75rem; cursor: pointer; }
.nav-toggle:hover { background: var(--tint); }


/* Hero mit Höhenlinien */
.hero {
  padding: clamp(2.5rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--line);
  background:
    repeating-radial-gradient(ellipse at 85% 30%, transparent 0 34px, color-mix(in srgb, var(--btn) 10%, transparent) 34px 35px);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
@media (max-width: 55rem) { .hero-grid { grid-template-columns: 1fr; } }

.probe {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.5rem; box-shadow: 0 1px 0 var(--line);
}
.probe h2 { font-size: 1.15rem; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1rem; }
label { display: grid; gap: 0.25rem; font-size: 0.9rem; font-weight: 600; }
input {
  font: inherit; padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--ink); width: 100%;
}
button, .button {
  display: inline-block; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; text-align: center;
  background: var(--btn); color: var(--btn-ink); border: 0; border-radius: 6px; padding: 0.65rem 1.2rem;
}
button:hover, .button:hover { background: var(--btn-hover); }
.copy:hover { background: var(--tint); }
button[disabled] { opacity: 0.6; cursor: progress; }
pre {
  margin: 1rem 0 0; padding: 0.9rem; background: var(--code-bg); border-radius: 6px;
  font: 0.875rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-x: auto; white-space: pre-wrap; word-break: break-word; min-height: 3.5rem;
}
pre.error { border-left: 4px solid var(--btn); background: var(--tint); }

/* Dienste */
.service { padding: clamp(2.5rem, 6vw, 4.5rem) 0; border-bottom: 1px solid var(--line); }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); }
@media (max-width: 55rem) { .service-grid { grid-template-columns: 1fr; } }
.service ul { padding-left: 1.2rem; }
.service ul.links { list-style: none; padding: 0; display: grid; gap: 0.35rem; }
dl { display: grid; gap: 0.2rem; }
dt { font-weight: 700; margin-top: 0.6rem; }
dd { margin: 0; color: var(--muted); }
input:focus-visible { border-color: var(--btn); }
.note { padding: 0.8rem 1rem; border-left: 4px solid var(--btn); background: var(--tint); }

.code {
  display: flex; align-items: stretch; gap: 0.5rem; margin-bottom: 1rem;
  background: var(--code-bg); border-radius: 6px; padding: 0.4rem 0.4rem 0.4rem 0.9rem;
}
.code code {
  flex: 1; align-self: center; overflow-x: auto; white-space: nowrap; padding: 0.3rem 0;
  font: 0.875rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.copy { background: var(--surface); color: var(--heading); border: 1px solid var(--line); padding: 0.35rem 0.8rem; font-size: 0.85rem; font-weight: 600; }

/* Kontakt und Footer */
.contact { padding: clamp(3rem, 7vw, 5rem) 0; background: var(--tint); border-bottom: 1px solid var(--line); }
.site-footer { padding: 2rem 0; color: var(--muted); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.site-footer p { margin: 0; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }

/* ---------- Mobile ---------- */
@media (max-width: 40rem) {
  html { scroll-padding-top: 4.5rem; }
  body { font-size: 1rem; }
  .wrap { width: calc(100% - 2rem - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)); }
  h1 { font-size: clamp(1.9rem, 9vw, 2.4rem); hyphens: auto; }
  .lead { font-size: 1.075rem; }

  /* Header: Marke kürzen, Menü groß genug zum Tippen */
  .site-header { gap: 0.25rem 1rem; }
  .brand { font-size: 0.95rem; min-width: 0; }
  .brand img { width: 32px; height: 32px; }
  .js .nav-toggle { display: block; }
  .js nav { display: none; width: 100%; flex-direction: column; gap: 0; padding: 0.25rem 0 0.5rem; }
  .js nav.open { display: flex; }
  nav a { display: block; padding: 0.8rem 0.25rem; border-bottom: 1px solid var(--line); }
  nav a:last-child { border-bottom: 0; }

  /* Hero und Test-Formular */
  .hero { padding: 2rem 0 2.5rem; background-position: 70% 0; }
  .probe { padding: 1.1rem; }
  input { min-height: 2.75rem; }
  button, .button { min-height: 2.75rem; }
  .probe button[type="submit"], .service .button, .contact .button { display: block; width: 100%; }
  pre { font-size: 0.8rem; }

  /* Abschnitte */
  .service { padding: 2.25rem 0; }
  .contact { padding: 2.5rem 0; }
  .service ul { padding-left: 1.1rem; }
  .service ul li { margin-bottom: 0.35rem; }
  .service ul.links { gap: 0; }
  .service ul.links a { display: block; padding: 0.55rem 0; }

  /* Code-Beispiele: umbrechen statt seitwärts scrollen, Button volle Breite */
  .code { flex-direction: column; padding: 0.75rem; gap: 0.6rem; }
  .code code { white-space: pre-wrap; word-break: break-all; padding: 0; overflow-x: visible; font-size: 0.8rem; }
  .copy { min-height: 2.5rem; width: 100%; }

  /* Kontakt und Footer */
  .contact-lines span { display: block; }
  .contact-lines .sep { display: none; }
  .contact-lines a { display: inline-block; padding: 0.3rem 0; }
  .site-footer .wrap { flex-direction: column; }
  .site-footer ul { flex-direction: column; gap: 0; }
  .site-footer ul a { display: inline-block; padding: 0.4rem 0; }
}

@media (max-width: 22rem) {
  .fields { grid-template-columns: 1fr; }
  .brand span { font-size: 0.85rem; }
}

/* Touch-Geräte: keine Hover-Effekte, die hängen bleiben */
@media (hover: none) {
  button:hover, .button:hover { background: var(--btn); }
  .copy:hover, .nav-toggle:hover { background: var(--surface); }
  .nav-toggle:hover { background: none; }
}