/* Schnittstellen: gemeinsame Gestaltung für Einstieg und Übersichtsseite. */
.interface-section { background: #f5f7f9; }
.interface-eyebrow { display: block; color: var(--color-primary-dark); font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1rem; }
.interface-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.interface-actions .btn { padding: .75rem 1.2rem; }
.interface-topic { display: flex; flex-direction: column; height: 100%; padding: 1.6rem; border: 1px solid #e2e6ea; border-radius: 12px; background: #fff; color: var(--color-default); transition: border-color .2s, transform .2s; }
.interface-topic:hover { color: var(--color-default); border-color: var(--color-primary); transform: translateY(-3px); }
.interface-topic > i { display: block; color: var(--color-primary); font-size: 1.8rem; margin-bottom: 1rem; }
.interface-topic h3 { font-size: 1.2rem; font-weight: 600; }
.interface-topic p { color: #526170; margin-bottom: 1.2rem; }
.interface-topic span { margin-top: auto; color: var(--color-primary-dark); font-weight: 600; font-size: .9rem; }
.interface-partner-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; padding: 1.5rem 0; margin: 1.5rem 0; border-top: 1px solid #dee3e8; border-bottom: 1px solid #dee3e8; }
.interface-partner-strip a { font-family: var(--font-secondary); font-weight: 600; color: var(--color-secondary); }
.interface-partner-strip a:hover { color: var(--color-primary-dark); }
.interface-partner-strip .interface-logo-link { display: flex; align-items: center; justify-content: center; flex: 0 0 136px; min-height: 82px; padding: .75rem; border: 1px solid #e2e6ea; border-radius: 10px; background: #fff; }
.interface-partner-strip .interface-logo-link:hover { border-color: var(--color-primary); }
.interface-logo-link img { display: block; width: 112px; max-width: 100%; height: 52px; object-fit: contain; }
.interface-card-logo { display: flex; align-items: center; min-height: 76px; margin-bottom: .8rem; }
.interface-card-logo img { display: block; width: 180px; max-width: 100%; height: 64px; object-fit: contain; object-position: left center; }
.interface-hardware-logo { display: flex; justify-content: center; margin-bottom: 1rem; }
.interface-hardware-logo img { width: 150px; height: 56px; object-fit: contain; }
.interface-hardware-partner { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; padding: 1.5rem; border: 1px solid #e2e6ea; border-radius: 12px; background: #fff; }
.interface-hardware-partner > img { width: 160px; height: 64px; object-fit: contain; }
.interface-hardware-partner > div { flex: 1 1 240px; }
.interface-hardware-partner h3 { color: var(--color-secondary-dark); font-size: 1.2rem; }
.interface-hardware-partner p { color: #526170; margin: 0; }
.interface-hero { padding: 155px 0 65px; background: linear-gradient(125deg, #f7f9fb 55%, #fcecef); }
.interface-hero h1 { color: var(--color-secondary-dark); font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.12; font-weight: 700; margin-bottom: 1.5rem; }
.interface-hero h1 span { color: var(--color-primary); }
.interface-hero .lead { max-width: 620px; font-size: 1.15rem; line-height: 1.7; color: #526170; margin-bottom: 1.8rem; }
.interface-network { padding: 2rem; border-radius: 20px; background: #fff; box-shadow: 0 15px 50px rgba(58, 71, 83, .08); text-align: center; }
.interface-network-center { border-radius: 12px; padding: 1.2rem; background: var(--color-secondary-dark); color: #fff; }
.interface-network-center strong { font-size: 1.5rem; display: block; }
.interface-network-center span { color: #e1e6eb; font-size: .9rem; }
.interface-network-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 1.2rem; }
.interface-network-grid div { padding: 1rem .5rem; border: 1px solid #e2e6ea; border-radius: 10px; font-size: .85rem; font-weight: 600; }
.interface-network-grid i { display: block; font-size: 1.5rem; color: var(--color-primary); margin-bottom: .4rem; }
.interface-benefits { display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin-top: 2.5rem; color: var(--color-secondary-dark); font-weight: 600; }
.interface-benefits i { color: var(--color-primary); margin-right: .4rem; }
.interface-jump-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin-bottom: 1.5rem; }
.interface-jump-nav a { color: var(--color-secondary-dark); padding: .7rem 1rem; border-radius: 30px; border: 1px solid #dce2e8; background: #fff; font-size: .9rem; }
.interface-jump-nav a:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.interface-catalog-intro { text-align: center; max-width: 800px; margin: 0 auto 3rem; color: #526170; }
.interface-group { padding: 0; margin-top: 3.5rem; scroll-margin-top: 110px; }
.interface-group:first-of-type { margin-top: 0; }
.interface-group-heading { margin-bottom: 1.5rem; }
.interface-group-heading h2 { font-size: 1.7rem; color: var(--color-secondary-dark); }
.interface-group-heading h2 i { color: var(--color-primary); margin-right: .5rem; }
.interface-group-heading p { color: #526170; max-width: 760px; }
.interface-card { display: flex; flex-direction: column; height: 100%; padding: 1.65rem; border: 1px solid #e0e5ea; border-radius: 12px; background: #fff; }
.interface-card h3 { font-size: 1.4rem; font-weight: 600; color: var(--color-secondary-dark); margin-bottom: .4rem; }
.interface-card .interface-subtitle { color: #526170; font-size: .9rem; margin-bottom: 1.2rem; }
.interface-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.2rem; }
.interface-tags span { border-radius: 5px; background: #f1f4f7; color: #425363; font-size: .75rem; font-weight: 600; padding: .3rem .5rem; }
.interface-card dl { font-size: .9rem; margin-bottom: 1.2rem; }
.interface-card dt { color: var(--color-secondary-dark); margin-top: .8rem; }
.interface-card dd { color: #526170; margin: .25rem 0 0; line-height: 1.6; }
.interface-variant-links { padding-left: 1.1rem; font-size: .9rem; margin-bottom: 1.2rem; }
.interface-variant-links li { margin-bottom: .5rem; }
.interface-card-actions { margin-top: auto; padding-top: 1rem; border-top: 1px solid #e5e9ed; display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .9rem; font-weight: 600; }
.interface-card-actions a { display: inline-block; padding: .3rem 0; }
.interface-card-actions .interface-consult { color: var(--color-secondary-dark); }
.interface-workflow { height: 100%; border: 1px solid #e0e5ea; border-radius: 12px; padding: 1.6rem; background: #fff; }
.interface-workflow h3 { font-size: 1.2rem; margin-bottom: 1.3rem; }
.interface-workflow ol { list-style: none; counter-reset: interface-step; padding: 0; margin: 0; }
.interface-workflow li { position: relative; counter-increment: interface-step; padding: 0 0 1.3rem 2.6rem; line-height: 1.5; color: #526170; }
.interface-workflow li::before { content: counter(interface-step); position: absolute; left: 0; top: 0; border-radius: 50%; background: #fbe8eb; color: var(--color-primary-dark); width: 1.8rem; height: 1.8rem; text-align: center; font-weight: 700; line-height: 1.8rem; }
.interface-workflow li:last-child { padding-bottom: 0; }
.interface-setup { padding: 1.5rem; border-top: 3px solid var(--color-primary); background: #f5f7f9; height: 100%; border-radius: 0 0 10px 10px; }
.interface-setup span { font-weight: 700; color: var(--color-primary-dark); font-size: .85rem; }
.interface-setup h3 { font-size: 1.1rem; margin: .6rem 0; }
.interface-setup p { color: #526170; margin: 0; font-size: .95rem; }
.interface-faq { max-width: 900px; margin: 0 auto; }
.interface-faq details { border-bottom: 1px solid #dce2e8; padding: 1.2rem 0; }
.interface-faq summary { cursor: pointer; color: var(--color-secondary-dark); font-weight: 600; font-size: 1.05rem; }
.interface-faq details p { margin: 1rem 0 0; color: #526170; line-height: 1.7; }
.interface-contact { background: var(--color-secondary-dark); color: #fff; text-align: center; }
.interface-contact h2 { color: #fff; font-size: 2rem; }
.interface-contact p { max-width: 690px; margin: 1.2rem auto 1.8rem; color: #e1e6eb; line-height: 1.7; }
.interface-contact .interface-actions { justify-content: center; }
.interface-provider { margin-top: 2.5rem; border-top: 1px solid #71808d; padding-top: 1.8rem; }
.interface-provider h3 { font-size: 1.1rem; color: #fff; }
.interface-provider a { color: #fff; text-decoration: underline; }
.interface-section a:focus-visible, .interface-hero a:focus-visible, .interface-catalog a:focus-visible, .interface-faq summary:focus-visible, .interface-contact a:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
@media (min-width: 1200px) {
  .interface-partner-strip { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}
@media (max-width: 767.98px) {
  .interface-hero { padding-top: 115px; }
  .interface-network { padding: 1.25rem; }
  .interface-card, .interface-topic { padding: 1.3rem; }
  .interface-actions .btn { width: 100%; }
  .interface-group { scroll-margin-top: 90px; }
  .interface-partner-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
}
@media (prefers-reduced-motion: reduce) {
  .interface-topic { transition: none; }
  .interface-topic:hover { transform: none; }
}