/* slateboardx — Elektrosystem-Diagnose, dunkles Theme */
:root {
  --primary-500: #38bdf8;
  --primary-700: #0284c7;
  --accent-500: #22c55e;
  --surface-primary: #010409;
  --surface-secondary: #020617;
  --text-primary: #e6edf3;
  --text-secondary: #94a3b8;
}
body { background-color: var(--surface-primary); color: var(--text-primary); }
.header-style { background: #020617; border-bottom: 1px solid #1e293b; }
.header-style .brand-link,
.header-style .nav-link,
.header-style .nav-link-mobile { color: #e6edf3; }
.header-style .nav-link:hover,
.header-style .nav-link-mobile:hover { color: #38bdf8; }
.hero-section-alt {
  background: linear-gradient(160deg, #010409 0%, #020617 45%, #0f172a 100%);
}
.usp-section,
.about-section,
.services-section,
.leadgen-section-secondary,
.contact-section-modern,
#blog,
.legal-page { background-color: var(--surface-secondary); }
.usp-card,
.service-card,
.about-feature-card,
.blog-card,
.leadgen-form-card,
.form-card,
.info-card {
  background: #0f172a;
  border: 1px solid #1e293b;
  color: #e6edf3;
}
.footer-style { background: #010409; color: #e6edf3; }
.site13-disclaimer {
  background: #020617;
  border-top: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
}
.site13-disclaimer .disclaimer-content-card {
  background: #0f172a;
  border: 1px solid #334155;
  color: #e6edf3;
}
.site13-disclaimer p { color: #cbd5e1; margin-bottom: 1rem; }
.site13-disclaimer p:last-child { margin-bottom: 0; }
.btn-leadgen-submit,
.btn-submit {
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%) !important;
  color: #010409 !important;
}
.form-control,
.form-select {
  background: #020617;
  border-color: #334155;
  color: #e6edf3;
}
.form-control:focus,
.form-select:focus {
  background: #020617;
  border-color: #38bdf8;
  color: #e6edf3;
  box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.2);
}
.accordion-item,
.accordion-button {
  background: #0f172a;
  color: #e6edf3;
  border-color: #1e293b;
}
.accordion-button:not(.collapsed) {
  background: #020617;
  color: #38bdf8;
}
.mobile-menu-overlay { background: rgba(1, 4, 9, 0.96); }
.text-muted { color: #94a3b8 !important; }
.footer-style a { color: #38bdf8; }
.service-cta,
.blog-card-link { color: #38bdf8; }
.service-cta:hover,
.blog-card-link:hover { color: #22c55e; }
.hamburger-line { background: #e6edf3; }