/* check.onnetwork.agency — geteiltes Stylesheet fuer Hub + drei Tool-Seiten.
   Mobile-first, system font stack, keine externen Assets, keine CDN-Referenzen.
   Theming ueber [data-theme] am body: hub | ki | security (Kombi-Seite nutzt "hub"). */

:root {
  --wcheck-bg: #faf9f6;
  --wcheck-surface: #ffffff;
  --wcheck-text: #1e2430;
  --wcheck-text-muted: #5a6472;
  --wcheck-border: #e4e1da;
  --wcheck-radius: 16px;
  --wcheck-radius-sm: 10px;
  --wcheck-shadow: 0 8px 24px rgba(30, 36, 48, 0.08);
  --wcheck-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wcheck-max: 1040px;
  --wcheck-max-text: 720px;

  --wcheck-ampel-gruen: #2e9e5b;
  --wcheck-ampel-gruen-bg: #e6f6ec;
  --wcheck-ampel-gelb: #c98a12;
  --wcheck-ampel-gelb-bg: #fbf1dd;
  --wcheck-ampel-rot: #cf4436;
  --wcheck-ampel-rot-bg: #fbe8e6;
}

[data-theme="hub"] {
  --wcheck-accent: #2f7a56;
  --wcheck-accent-dark: #235c41;
  --wcheck-accent-bg: #e8f3ec;
  --wcheck-accent-border: #cbe4d5;
}

[data-theme="ki"] {
  --wcheck-accent: #7c9a2e;
  --wcheck-accent-dark: #5f7a1f;
  --wcheck-accent-bg: #f1f5e0;
  --wcheck-accent-border: #dde8ba;
}

[data-theme="security"] {
  --wcheck-accent: #5b6fd6;
  --wcheck-accent-dark: #4453ad;
  --wcheck-accent-bg: #eceffb;
  --wcheck-accent-border: #cad0f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --wcheck-bg: #14171c;
    --wcheck-surface: #1c2129;
    --wcheck-text: #eef0f3;
    --wcheck-text-muted: #a3abb8;
    --wcheck-border: #2b323d;
    --wcheck-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--wcheck-bg);
  color: var(--wcheck-text);
  font-family: var(--wcheck-font);
  line-height: 1.55;
  font-size: 16px;
}

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

a {
  color: var(--wcheck-accent-dark);
}

a:hover,
a:focus-visible {
  color: var(--wcheck-accent);
}

.wcheck-container {
  width: 100%;
  max-width: var(--wcheck-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.wcheck-container--text {
  max-width: var(--wcheck-max-text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wcheck-skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--wcheck-accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--wcheck-radius-sm) 0;
  z-index: 100;
}

.wcheck-skip-link:focus {
  left: 0;
}

/* Header */

.wcheck-header {
  border-bottom: 1px solid var(--wcheck-border);
  background: var(--wcheck-surface);
}

.wcheck-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.wcheck-brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--wcheck-text);
  letter-spacing: -0.01em;
}

.wcheck-brand-mark {
  color: var(--wcheck-accent);
}

.wcheck-header-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.92rem;
}

.wcheck-header-nav a {
  color: var(--wcheck-text-muted);
  text-decoration: none;
}

.wcheck-header-nav a:hover,
.wcheck-header-nav a:focus-visible {
  color: var(--wcheck-accent-dark);
  text-decoration: underline;
}

/* Hero */

.wcheck-hero {
  background: linear-gradient(180deg, var(--wcheck-accent-bg) 0%, var(--wcheck-bg) 100%);
  padding: 2.75rem 0 2.25rem;
}

.wcheck-hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 0.9rem;
  letter-spacing: -0.01em;
}

.wcheck-hero-sub {
  font-size: 1.1rem;
  color: var(--wcheck-text-muted);
  margin: 0 0 1.25rem;
  max-width: 46rem;
}

.wcheck-hero-body {
  max-width: 46rem;
  margin: 0 0 1.5rem;
}

.wcheck-kernfrage {
  background: var(--wcheck-surface);
  border: 1px solid var(--wcheck-accent-border);
  border-left: 4px solid var(--wcheck-accent);
  border-radius: var(--wcheck-radius-sm);
  padding: 1rem 1.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  max-width: 46rem;
  margin: 0 0 0.5rem;
}

/* Sections */

.wcheck-section {
  padding: 2.75rem 0;
}

.wcheck-section--muted {
  background: var(--wcheck-surface);
  border-top: 1px solid var(--wcheck-border);
  border-bottom: 1px solid var(--wcheck-border);
}

.wcheck-section h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
}

.wcheck-lead {
  color: var(--wcheck-text-muted);
  max-width: 46rem;
  margin: -0.5rem 0 1.5rem;
}

/* Formular-Widget */

.wcheck-widget {
  background: var(--wcheck-surface);
  border: 1px solid var(--wcheck-border);
  border-radius: var(--wcheck-radius);
  box-shadow: var(--wcheck-shadow);
  padding: 1.75rem;
  max-width: 34rem;
}

.wcheck-panel[hidden] {
  display: none;
}

.wcheck-field {
  margin-bottom: 1.1rem;
}

.wcheck-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

.wcheck-field input[type="text"],
.wcheck-field input[type="email"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--wcheck-border);
  border-radius: var(--wcheck-radius-sm);
  background: var(--wcheck-bg);
  color: var(--wcheck-text);
  font-size: 1rem;
  font-family: inherit;
}

.wcheck-field input:focus-visible {
  outline: 2px solid var(--wcheck-accent);
  outline-offset: 1px;
}

.wcheck-checkbox {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-bottom: 0.6rem;
}

.wcheck-checkbox input {
  margin-top: 0.25rem;
  flex: 0 0 auto;
  width: 1.05rem;
  height: 1.05rem;
}

.wcheck-checkbox label {
  font-size: 0.9rem;
  color: var(--wcheck-text-muted);
}

.wcheck-checkbox label a {
  color: var(--wcheck-accent-dark);
}

.wcheck-error {
  color: var(--wcheck-ampel-rot);
  font-size: 0.85rem;
  margin: 0.3rem 0 0.6rem;
}

.wcheck-error[hidden] {
  display: none;
}

.wcheck-button {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: var(--wcheck-accent);
  color: #fff;
  border: none;
  border-radius: var(--wcheck-radius-sm);
  padding: 0.85rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  margin-top: 0.4rem;
}

.wcheck-button:hover,
.wcheck-button:focus-visible {
  background: var(--wcheck-accent-dark);
  color: #fff;
}

.wcheck-link-button {
  display: block;
  width: 100%;
  text-align: center;
  background: none;
  border: none;
  color: var(--wcheck-text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.6rem 0;
  cursor: pointer;
  text-decoration: underline;
}

/* Wartebildschirm */

.wcheck-progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--wcheck-border);
  overflow: hidden;
  margin-bottom: 1.1rem;
}

.wcheck-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--wcheck-accent), var(--wcheck-accent-dark));
}

.wcheck-fact {
  min-height: 3.4em;
  font-size: 1rem;
  color: var(--wcheck-text);
  transition: opacity 0.35s ease;
}

.wcheck-fact.is-fading {
  opacity: 0;
}

.wcheck-facts-source {
  display: none;
}

/* Ergebnis */

.wcheck-ring {
  --wcheck-score: 0;
  --wcheck-ring-color: var(--wcheck-ampel-gelb);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  padding: 9px;
  margin: 0 auto 1.35rem;
  background: conic-gradient(var(--wcheck-ring-color) calc(var(--wcheck-score) * 3.6deg), var(--wcheck-border) 0deg);
  transition: background 0.5s ease;
}

.wcheck-ring-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--wcheck-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.wcheck-ring-value {
  font-size: 2.1rem;
  font-weight: 700;
}

.wcheck-ring-suffix {
  font-size: 0.8rem;
  color: var(--wcheck-text-muted);
}

.wcheck-topbefund {
  background: var(--wcheck-result-bg, var(--wcheck-accent-bg));
  border-left: 4px solid var(--wcheck-result-color, var(--wcheck-accent));
  border-radius: var(--wcheck-radius-sm);
  padding: 0.8rem 1rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.wcheck-ampel-text {
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.wcheck-uebergang {
  color: var(--wcheck-text-muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.wcheck-modules {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0 0 1.25rem;
}

.wcheck-module-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: var(--wcheck-accent-bg);
  border: 1px solid var(--wcheck-accent-border);
  font-size: 0.88rem;
}

.wcheck-module-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex: 0 0 auto;
}

.wcheck-module-dot.is-ampel-gruen {
  background: var(--wcheck-ampel-gruen);
}

.wcheck-module-dot.is-ampel-gelb {
  background: var(--wcheck-ampel-gelb);
}

.wcheck-module-dot.is-ampel-rot {
  background: var(--wcheck-ampel-rot);
}

.wcheck-result-success.is-ampel-gruen {
  --wcheck-result-color: var(--wcheck-ampel-gruen);
  --wcheck-result-bg: var(--wcheck-ampel-gruen-bg);
}

.wcheck-result-success.is-ampel-gelb {
  --wcheck-result-color: var(--wcheck-ampel-gelb);
  --wcheck-result-bg: var(--wcheck-ampel-gelb-bg);
}

.wcheck-result-success.is-ampel-rot {
  --wcheck-result-color: var(--wcheck-ampel-rot);
  --wcheck-result-bg: var(--wcheck-ampel-rot-bg);
}

.wcheck-error-message {
  background: var(--wcheck-ampel-rot-bg);
  border-left: 4px solid var(--wcheck-ampel-rot);
  border-radius: var(--wcheck-radius-sm);
  padding: 0.8rem 1rem;
  margin: 0 0 1rem;
}

/* Was wir pruefen */

.wcheck-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .wcheck-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.wcheck-card {
  background: var(--wcheck-surface);
  border: 1px solid var(--wcheck-border);
  border-left: 4px solid var(--wcheck-accent);
  border-radius: var(--wcheck-radius-sm);
  padding: 1.1rem 1.25rem;
}

.wcheck-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.wcheck-card p {
  margin: 0;
  color: var(--wcheck-text-muted);
}

.wcheck-crosslinks {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--wcheck-text-muted);
}

/* Disclaimer */

.wcheck-disclaimer {
  background: var(--wcheck-accent-bg);
  border: 1px solid var(--wcheck-accent-border);
  border-radius: var(--wcheck-radius);
  padding: 1.5rem;
  max-width: 46rem;
}

/* FAQ */

.wcheck-faq {
  max-width: 46rem;
}

.wcheck-faq details {
  border-bottom: 1px solid var(--wcheck-border);
  padding: 0.9rem 0;
}

.wcheck-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.wcheck-faq summary::-webkit-details-marker {
  display: none;
}

.wcheck-faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  color: var(--wcheck-accent);
  font-weight: 700;
}

.wcheck-faq details[open] summary::before {
  content: "\2212";
}

.wcheck-faq p {
  margin: 0.6rem 0 0 1.1em;
  color: var(--wcheck-text-muted);
}

/* CTA */

.wcheck-cta {
  background: var(--wcheck-accent-dark);
  color: #fff;
}

.wcheck-cta p {
  max-width: 42rem;
  font-size: 1.05rem;
}

.wcheck-cta .wcheck-button {
  width: auto;
  display: inline-block;
  background: #fff;
  color: var(--wcheck-accent-dark);
}

.wcheck-cta .wcheck-button:hover,
.wcheck-cta .wcheck-button:focus-visible {
  background: var(--wcheck-accent-bg);
  color: var(--wcheck-accent-dark);
}

/* Footer */

.wcheck-footer {
  border-top: 1px solid var(--wcheck-border);
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--wcheck-text-muted);
}

.wcheck-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
  margin-bottom: 0.9rem;
}

.wcheck-footer nav a {
  color: var(--wcheck-text-muted);
}

/* 404 */

.wcheck-notfound {
  min-height: 60vh;
  display: flex;
  align-items: center;
}