/* Gemeinsamer Kopf aller Seiten (index, faq, help, privacy, terms, impressum) – Markup gleich, Verhalten in js/nav.js.
   Sprache der Beschriftungen über <html lang> und [data-l="de|en"] (eigenes Attribut: die Rechtsseiten schalten [data-lang] per style.display). */
html { scroll-padding-top: 84px; }
html[lang="de"] [data-l="en"], html:not([lang="de"]) [data-l="de"] { display: none !important; }

.skip-link {
  position: fixed; top: 10px; left: 12px; z-index: 10002;
  background: var(--blue, #1B8FE0); color: #fff; font-weight: 700; font-size: .9rem;
  padding: 10px 16px; border-radius: 9px; text-decoration: none;
  transform: translateY(-160%); transition: transform .15s;
}
.skip-link:focus, .skip-link:focus-visible { transform: none; outline: 2px solid #fff; outline-offset: 2px; }

.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200; height: 64px;
  background: rgba(9,17,30,.72);
  backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background .25s, box-shadow .25s, border-color .25s;
}
.page-sub .site-nav { position: sticky; }
.site-nav.scrolled, .site-nav.open { background: rgba(9,17,30,.95); border-bottom-color: rgba(143,172,200,.12); box-shadow: 0 8px 28px rgba(0,0,0,.28); }
.site-nav .nav-inner {
  height: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.5rem);
  display: flex; align-items: center; gap: 18px;
}
.site-nav .nav-logo {
  display: flex; align-items: center; gap: 9px; flex-shrink: 0;
  text-decoration: none; color: var(--text, #EEF3FA); font-size: 1.2rem; font-weight: 800; letter-spacing: -.03em;
}
.site-nav .logo-mark { width: 30px; height: 30px; display: block; object-fit: contain; }
.site-nav .nav-menu { flex: 1; display: flex; justify-content: center; min-width: 0; }
.site-nav .nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav .nav-links a {
  position: relative; display: block; padding: 8px 12px; border-radius: 8px;
  color: var(--t2, #8EA6C0); text-decoration: none; font-size: .9rem; font-weight: 550; white-space: nowrap;
  transition: color .15s, background .15s;
}
.site-nav .nav-links a:hover { color: var(--text, #EEF3FA); background: rgba(255,255,255,.04); }
.site-nav .nav-links a[aria-current] { color: var(--text, #EEF3FA); }
.site-nav .nav-links a[aria-current]::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue, #1B8FE0), var(--teal, #00C896));
}
.site-nav .nav-menu-actions { display: none; }
.site-nav .nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; margin-left: auto; }
.site-nav .nav-right .btn { white-space: nowrap; }
.site-nav .lang-toggle {
  display: flex; align-items: center; gap: 2px; padding: 3px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(143,172,200,.18); border-radius: 9px;
}
.site-nav .lang-btn {
  min-width: 36px; min-height: 30px; padding: 0 9px; border: none; border-radius: 7px; cursor: pointer;
  background: transparent; color: var(--t2, #8EA6C0); font-family: inherit; font-size: .78rem; font-weight: 700; letter-spacing: .05em;
  transition: background .15s, color .15s;
}
.site-nav .lang-btn:hover { color: var(--text, #EEF3FA); }
.site-nav .lang-btn[aria-pressed="true"] { background: var(--blue, #1B8FE0); color: #fff; }
.site-nav a:focus-visible, .site-nav button:focus-visible { outline: 2px solid var(--blue, #1B8FE0); outline-offset: 2px; }
.site-nav .nav-burger {
  display: none; width: 44px; height: 44px; border-radius: 10px; cursor: pointer; flex-shrink: 0;
  background: rgba(255,255,255,.05); border: 1px solid rgba(143,172,200,.18); color: var(--text, #EEF3FA);
  align-items: center; justify-content: center;
}
.site-nav .nav-burger span, .site-nav .nav-burger span::before, .site-nav .nav-burger span::after {
  display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .2s, opacity .2s;
}
.site-nav .nav-burger span { position: relative; }
.site-nav .nav-burger span::before, .site-nav .nav-burger span::after { content: ''; position: absolute; left: 0; }
.site-nav .nav-burger span::before { top: -6px; }
.site-nav .nav-burger span::after { top: 6px; }
.site-nav.open .nav-burger span { background: transparent; }
.site-nav.open .nav-burger span::before { transform: translateY(6px) rotate(45deg); }
.site-nav.open .nav-burger span::after { transform: translateY(-6px) rotate(-45deg); }
.nav-backdrop { display: none; }

@media (max-width: 1100px) and (min-width: 1041px) {
  .site-nav .nav-links a { padding: 8px 9px; font-size: .86rem; }
}
@media (max-width: 1040px) {
  .site-nav .nav-burger { display: inline-flex; }
  .site-nav .nav-contact { display: none; }
  .site-nav .nav-menu {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    max-height: calc(100vh - 64px); max-height: calc(100dvh - 64px); overflow-y: auto;
    flex-direction: column; justify-content: flex-start; gap: 18px;
    padding: 14px clamp(1rem, 4vw, 2.5rem) 24px;
    background: #0D1A2C; border-bottom: 1px solid rgba(143,172,200,.14); box-shadow: 0 24px 48px rgba(0,0,0,.45);
  }
  .site-nav.open .nav-menu { display: flex; }
  .site-nav .nav-links { flex-direction: column; gap: 2px; }
  .site-nav .nav-links a { padding: 14px 12px; font-size: 1.05rem; min-height: 48px; border-radius: 10px; }
  .site-nav .nav-links a[aria-current] { background: rgba(27,143,224,.12); }
  .site-nav .nav-links a[aria-current]::after { left: 0; right: auto; top: 12px; bottom: 12px; width: 3px; height: auto; }
  .site-nav .nav-menu-actions { display: flex; gap: 10px; flex-wrap: wrap; }
  .site-nav .nav-menu-actions .btn { flex: 1 1 160px; min-height: 48px; padding: 12px 18px; font-size: .95rem; border-radius: 10px; }
  .site-nav.open + .nav-backdrop, .nav-backdrop.show { display: block; position: fixed; inset: 64px 0 0 0; z-index: 199; background: rgba(5,10,18,.6); }
  body.nav-locked { overflow: hidden; }
}
@media (max-width: 420px) {
  .site-nav .nav-inner { gap: 8px; }
  .site-nav .nav-logo { font-size: 1.08rem; gap: 7px; }
  .site-nav .logo-mark { width: 26px; height: 26px; }
  .site-nav .nav-right { gap: 6px; }
  .site-nav .nav-demo { padding: 7px 11px; }
  .site-nav .lang-btn { min-width: 32px; padding: 0 7px; }
}
@media (max-width: 350px) { .site-nav .nav-demo { display: none; } }
@media (prefers-reduced-motion: reduce) { .site-nav, .site-nav * { transition: none !important; } }
.foot-legal { display: flex; gap: 16px; flex-wrap: wrap; }