body {
  margin: 0;
  font-family: Consolas, "Courier New", monospace;
  background: #05070d;
  color: #c9d1d9;
  line-height: 1.6;
}

a { color: #00aaff; text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- TOP NAVIGATION --- */
.topnav {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0.8rem 1rem;
  background: rgba(0, 20, 40, 0.35);
  border-bottom: 1px solid #0a1a2a;
  box-shadow: 0 0 12px rgba(0, 136, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-sizing: border-box;
}


.topnav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.2rem;
}

.topnav a {
  color: #c9d1d9;
  font-size: 0.95rem;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  transition: 0.2s;
}

.topnav a:hover {
  background: rgba(0, 136, 255, 0.15);
  color: #00aaff;
}

/* Burger Button */
.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  margin-right: auto;
}

.burger div {
  width: 24px;
  height: 3px;
  background: #c9d1d9;
}

/* --- HEADER --- */
header {
  padding: 2rem 1rem 1rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  width: 120px;
  display: block;
}

h1 {
  margin: 0;
  color: #00aaff;
  text-shadow: 0 0 8px #0088ff;
  font-size: 2rem;
}

.tagline {
  margin: 0.2rem 0 0;
  color: #8b949e;
  font-size: 0.95rem;
}

/* --- CONTENT SECTIONS --- */
.section {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem 1.5rem;
  background: rgba(0, 20, 40, 0.25);
  border: 1px solid #0a1a2a;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 136, 255, 0.15);
}

h2 {
  color: #00aaff;
  text-shadow: 0 0 8px #0088ff;
}

.muted {
  color: #8b949e;
  font-size: 0.9rem;
}

/* --- SOFTWARE CARDS --- */
.software-note {
  margin: 0 0 0.5rem;
  padding: 0.85rem 1rem;
  background: rgba(0, 136, 255, 0.08);
  border: 1px solid rgba(0, 136, 255, 0.25);
  border-radius: 6px;
  color: #8b949e;
  font-size: 0.9rem;
}

.software-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.software-card {
  padding: 1.25rem 1.5rem;
  background: rgba(0, 20, 40, 0.35);
  border: 1px solid #0a1a2a;
  border-radius: 8px;
  box-sizing: border-box;
}

.software-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.software-logo-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  max-width: 200px;
  height: 64px;
}

.software-logo {
  display: block;
  max-width: 100%;
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.software-card-header h3 {
  margin: 0 0 0.3rem;
}

.software-card-header .software-meta {
  margin: 0;
}

.software-card h3 {
  margin: 0 0 0.3rem;
  color: #00aaff;
  font-size: 1.2rem;
}

.software-meta {
  margin: 0 0 1rem;
  color: #8b949e;
  font-size: 0.85rem;
}

.software-features {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.software-features li {
  margin-bottom: 0.3rem;
}

.software-download {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.55rem 1rem;
  background: rgba(0, 136, 255, 0.2);
  border: 1px solid rgba(0, 136, 255, 0.45);
  border-radius: 4px;
  color: #00aaff;
  font-weight: 600;
  transition: 0.2s;
}

.software-download:hover {
  background: rgba(0, 136, 255, 0.35);
  text-decoration: none;
}

/* --- HARDWARE CARDS (shared layout with software) --- */
.hardware-offer {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  background: rgba(0, 170, 255, 0.12);
  border: 1px solid rgba(0, 170, 255, 0.4);
  border-radius: 6px;
  color: #c9d1d9;
}

.hardware-schematic {
  margin: 1rem 0;
  max-width: 100%;
}

.hardware-schematic-label {
  margin: 0 0 0.4rem;
  color: #8b949e;
  font-size: 0.85rem;
}

.hardware-schematic-frame {
  display: inline-block;
  padding: 0.35rem;
  border: 1px solid #0a1a2a;
  border-radius: 6px;
  background: #f8fafc;
  cursor: zoom-in;
  box-sizing: border-box;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.hardware-schematic-frame:hover,
.hardware-schematic-frame:focus-visible {
  border-color: rgba(0, 136, 255, 0.55);
  box-shadow: 0 0 12px rgba(0, 136, 255, 0.2);
  outline: none;
}

.hardware-schematic-thumb {
  display: block;
  object-fit: contain;
  pointer-events: none;
}

.hardware-schematic-hint {
  margin: 0.35rem 0 0;
  color: #6b7280;
  font-size: 0.8rem;
}

.hardware-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  padding: 1.5rem;
  background: rgba(5, 7, 13, 0.92);
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}

.lightbox.open {
  display: flex;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: min(96vw, 1480px);
  max-height: 92vh;
  overflow: auto;
  border: 1px solid rgba(0, 136, 255, 0.35);
  border-radius: 8px;
  background: #f8fafc;
}

.lightbox-content img {
  display: block;
  width: 100%;
  height: auto;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2001;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(0, 136, 255, 0.45);
  border-radius: 4px;
  background: rgba(0, 20, 40, 0.85);
  color: #00aaff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(0, 136, 255, 0.25);
}

/* Desktop: Schaltplan-Vorschau fest begrenzen */
@media (min-width: 751px) {
  .hardware-schematic-frame {
    width: 220px;
    height: 150px;
  }

  .hardware-schematic-thumb {
    width: 100%;
    height: 100%;
  }
}

/* --- ARZTPRAXEN --- */
.praxis-intro {
  text-align: center;
}

.praxis-lead {
  font-size: 1.05rem;
  max-width: 720px;
  margin: 0 auto 1rem;
}

.praxis-motto {
  margin: 0 0 1.25rem;
  color: #00aaff;
  font-size: 1.15rem;
  font-weight: 600;
}

.praxis-pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

.praxis-pills li {
  padding: 0.45rem 1rem;
  border: 1px solid rgba(0, 136, 255, 0.45);
  border-radius: 999px;
  background: rgba(0, 136, 255, 0.12);
  color: #00aaff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.praxis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.praxis-card {
  padding: 1.25rem 1.35rem;
  background: rgba(0, 20, 40, 0.35);
  border: 1px solid #0a1a2a;
  border-radius: 8px;
}

.praxis-card h3 {
  margin: 0 0 0.75rem;
  color: #00aaff;
  font-size: 1.05rem;
}

.praxis-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.85rem;
  color: #00aaff;
}

.praxis-card-icon svg {
  width: 100%;
  height: 100%;
}

.praxis-flyer .software-download {
  margin-top: 0.75rem;
}

.praxis-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.praxis-contact-grid p {
  margin: 0;
}

/* --- DOKUMENTE (Kontakt) --- */
.doc-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.doc-item {
  padding: 1.25rem 1.35rem;
  background: rgba(0, 20, 40, 0.35);
  border: 1px solid #0a1a2a;
  border-radius: 8px;
}

.doc-item h3 {
  margin: 0 0 0.6rem;
  color: #00aaff;
  font-size: 1.05rem;
}

.doc-item .muted {
  margin: 0 0 1rem;
}

.doc-item .software-download {
  margin-top: 0.25rem;
}

.doc-preview {
  margin: 0 0 0.5rem;
  border: 1px solid rgba(0, 136, 255, 0.35);
  border-radius: 6px;
  overflow: hidden;
  background: #f8fafc;
}

.doc-preview-images img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid rgba(0, 136, 255, 0.15);
}

.doc-preview-images img:last-child {
  border-bottom: 0;
}

.doc-preview-hint {
  margin: 0 0 0.75rem !important;
  font-size: 0.82rem;
}

.site-footer {
  margin-top: 2.5rem;
  padding: 2rem 1rem 1.5rem;
  border-top: 1px solid #0a1a2a;
  background: rgba(0, 20, 40, 0.35);
  font-size: 0.85rem;
  color: #8b949e;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 2rem;
  align-items: start;
}

.footer-brand strong {
  display: block;
  color: #00aaff;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.footer-brand span {
  color: #6b7280;
  font-size: 0.8rem;
}

.footer-details p {
  margin: 0;
  line-height: 1.7;
}

.footer-legal-note {
  margin-top: 0.5rem !important;
  font-size: 0.78rem;
  color: #6b7280;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: right;
}

.footer-nav a {
  color: #c9d1d9;
  white-space: nowrap;
}

.footer-nav a:hover {
  color: #00aaff;
}

.footer-copy {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid #0a1a2a;
  text-align: center;
  font-size: 0.78rem;
  color: #6b7280;
}

/* --- MOBILE --- */
@media (max-width: 750px) {
  .topnav {
    justify-content: flex-start;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0.8rem 1rem;
    box-shadow: none;
  }

  .burger {
    display: flex;
    margin-right: auto;
    order: -1;
    z-index: 1001;
  }

  .topnav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: auto;
    width: min(280px, calc(100vw - 2rem));
    margin: 0;
    background: rgba(0, 20, 40, 0.97);
    padding: 1rem;
    border: 1px solid #0a1a2a;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 20px rgba(0, 136, 255, 0.2);
    flex-direction: column;
    gap: 0.8rem;
    display: none;
  }

  .topnav ul.open {
    display: flex;
  }

  header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1rem 1rem;
    gap: 1rem;
  }

  .logo {
    width: 90px;
  }

  h1 {
    font-size: 1.6rem;
  }

  h1, h2 {
    text-shadow: none;
  }

  .section {
    margin: 1.25rem 0.75rem;
    padding: 1rem;
    box-shadow: none;
  }

  .software-grid {
    gap: 1.25rem;
  }

  .software-card {
    padding: 1rem;
    background: rgba(0, 20, 40, 0.5);
    border: 1px solid rgba(0, 136, 255, 0.3);
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(0, 136, 255, 0.1);
    overflow: hidden;
  }

  .software-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
  }

  .software-logo-wrap {
    max-width: 140px;
    width: 100%;
    height: auto;
    min-height: 0;
  }

  .software-logo {
    max-width: 140px;
    max-height: 48px;
  }

  .software-download {
    display: block;
    text-align: center;
    box-sizing: border-box;
  }

  .hardware-downloads {
    flex-direction: column;
  }

  .hardware-downloads .software-download {
    width: 100%;
  }

  .hardware-schematic-frame {
    max-width: min(100%, 240px);
  }

  .hardware-schematic-thumb {
    width: 220px;
    max-width: 100%;
    height: auto;
    max-height: 140px;
  }

  .lightbox {
    padding: 0.75rem;
  }

  .lightbox-close {
    top: 0.5rem;
    right: 0.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: center;
  }

  .footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    gap: 0.75rem 1.25rem;
  }

  .praxis-grid {
    grid-template-columns: 1fr;
  }

  .praxis-contact-grid {
    grid-template-columns: 1fr;
  }
}