/* CO-37 Website — Grundgerüst
   Farbtokens, Schriften und Logo 1:1 aus dem CO-37-Frontend übernommen
   (C:\Projekte\co37\frontend\index.html, [data-theme="dark"]).
   Body-Text bewusst in Archivo statt durchgängig Mono wie im Tool selbst —
   bessere Lesbarkeit für Fließtext auf einer Marketing-Seite. Zahlen,
   Host-/Stat-Elemente und Badges bleiben JetBrains Mono wie im Original. */

@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/archivo-500.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/archivo-600.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/archivo-700.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/jetbrainsmono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/jetbrainsmono-500.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/jetbrainsmono-700.woff2') format('woff2'); }

:root {
  /* aus [data-theme="dark"] in frontend/index.html */
  --bg: #020817;
  --bg-elevated: #0f172a;   /* --surface */
  --bg-elevated-2: #1e293b; /* --surface-2 / --btn */
  --bg-header: #0f172a;     /* header{background:var(--surface)} */
  --border: #1e293b;        /* --line */
  --border-soft: #1a2333;

  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #4f8ef7;
  --accent-bg: rgba(79, 142, 247, .1);
  --on-accent: #020817;

  --accent-orange: #f59e0b; /* --led-pending */
  --accent-green: #22c55e;  /* --led-ok */
  --accent-red: #ef4444;    /* --led-reboot */
  --accent-blue: #4f8ef7;   /* --led-run / --accent */

  --radius: 8px;
  --font-ui: 'Archivo', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Hintergrund wie itkub.de: dort zeichnet ein Canvas alle 4px eine
   1px-Scanline. Hier als statisches CSS nachgebaut — schwarz als
   Hauptfarbe, Streifen in CO-37-Blau statt itkub-Blau, kein Canvas/JS nötig. */
body {
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(to bottom, rgba(79, 142, 247, .07) 0px, rgba(79, 142, 247, .07) 1px, transparent 1px, transparent 4px);
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand svg { flex-shrink: 0; }
.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 9px;
  background: #020817;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}
.brand-name { font-size: 1.2rem; font-weight: 700; }
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Inhalt über dem Partikel-Canvas (z-index 0) halten */
header.site, section, footer.site, .cookie-banner { position: relative; z-index: 1; }

.head-right { display: flex; align-items: center; gap: 16px; }

.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-switch button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 7px 10px;
  cursor: pointer;
}
.lang-switch button:hover { color: var(--text); background: var(--bg-elevated-2); }
.lang-switch button.on { color: var(--on-accent); background: var(--accent); }

nav.main { display: flex; gap: 4px; align-items: center; }
nav.main a {
  color: var(--text-muted);
  font-size: 0.94rem;
  padding: 8px 12px;
  border-radius: 6px;
}
nav.main a:hover { color: var(--text); text-decoration: none; background: var(--bg-elevated-2); }
nav.main a.active { color: var(--text); background: var(--bg-elevated-2); }

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}
/* Großes Logo über dem Hero-Text, nur auf der Startseite.
   Höhe an itkub.de angelehnt: das dortige Logo misst 236 px bei 1280 px
   Viewport. Die Badge-Fläche des Logos ist #020817 und damit identisch mit
   dem Seitenhintergrund — hier steht deshalb nur das Schild selbst. */
.hero-logo {
  display: block;
  margin: 0 auto 20px;
  height: clamp(130px, 17vw, 225px);
  width: auto;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.hero .lead {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero .lead strong { color: var(--text); font-weight: 600; }

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-ui);
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover { background: #6ba1f9; }
.btn-ghost {
  background: var(--bg-elevated-2);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: #29394f; }

/* Screenshot-Rahmen */
.shot-frame {
  margin: 48px auto 0;
  max-width: 920px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
}
.shot-frame img { width: 100%; }

/* Sections */
section { padding: 56px 0; }
section h2 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}
section .section-lead {
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 680px;
}

/* Feature-Karten, linker Akzentstrich wie itkub.de, Farben wie die CO-37-LEDs */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.card.green { border-left-color: var(--accent-green); }
.card.red { border-left-color: var(--accent-red); }
.card.orange { border-left-color: var(--accent-orange); }
.card.blue { border-left-color: var(--accent-blue); }
.card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}
.card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* Stat-Zeile im Dashboard-Look */
.stat-row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  margin: 36px 0 0;
}
.stat-row .stat b {
  font-size: 1.6rem;
  color: var(--text);
  margin-right: 6px;
  font-weight: 700;
}
.stat-row .stat span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Tabellen (Preise) */
table.pricing {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.95rem;
}
table.pricing th, table.pricing td {
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
table.pricing th {
  background: var(--bg-elevated-2);
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}
table.pricing tr:last-child td { border-bottom: none; }
table.pricing td.num, table.pricing th.num { font-family: var(--font-mono); }
table.pricing tr.highlight td { background: var(--accent-bg); }

.table-wrap { overflow-x: auto; margin-bottom: 20px; }

.vat-note {
  margin: 32px 0 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--text);
  background: var(--bg-elevated-2);
  border-radius: 4px;
  padding: 1px 5px;
}

.note {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 20px 0;
}
.note.warn { border-color: #92650f; }
.note strong { color: var(--text); }

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 5px;
  border: 1px solid currentColor;
}
.badge.green { color: var(--accent-green); }
.badge.orange { color: var(--accent-orange); }
.badge.red { color: var(--accent-red); }

/* Kontakt / Impressum Blöcke */
.info-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  max-width: 480px;
}
.info-block dt {
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 16px;
}
.info-block dt:first-child { margin-top: 0; }
.info-block dd {
  margin: 4px 0 0;
  font-size: 1rem;
}

/* Fließtext (Rechtstexte) */
.prose { max-width: 720px; }
.prose h2 {
  font-size: 1.15rem;
  margin: 40px 0 12px;
}
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li {
  color: var(--text-muted);
  margin: 0 0 12px;
  font-size: 0.96rem;
}
.prose ul { margin: 0 0 12px; padding-left: 20px; }
.prose strong { color: var(--text); }
.prose .stand {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0;
}
footer.site .footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer.site .footer-legal {
  border-top: 1px solid var(--border);
  margin-top: 22px;
  padding-top: 18px;
  max-width: 820px;
}
footer.site .footer-legal h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
}
footer.site .footer-legal p {
  color: var(--text-dim);
  font-size: 0.8rem;
  line-height: 1.6;
  margin: 0 0 8px;
}
footer.site .footer-legal p:last-child { margin-bottom: 0; }
footer.site .footer-legal .copyright { margin-top: 14px; }

/* Herkunftszeile mit ITkub-Logo, verlinkt auf itkub.de */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-brand:hover { text-decoration: none; color: var(--text); }
/* Volle Deckkraft: das graue „IT" der Marke liegt bei #767676 und käme
   abgedunkelt auf dem fast schwarzen Grund nicht mehr sauber heraus. */
.footer-brand img {
  height: 34px;
  width: auto;
  flex-shrink: 0;
}
.footer-brand strong { color: var(--text); font-weight: 700; }
.footer-brand .by { color: var(--text-dim); }
footer.site nav a {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-left: 18px;
}
footer.site nav a:first-child { margin-left: 0; }
footer.site .copyright {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Cookie-Hinweis */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.cookie-banner .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 640px;
}
.btn-sm { padding: 9px 18px; font-size: 0.86rem; flex-shrink: 0; }

@media (max-width: 680px) {
  nav.main { display: none; }
  footer.site .footer-row { flex-direction: column; align-items: flex-start; }
  footer.site nav a { margin-left: 0; margin-right: 16px; }
}