/* Site chrome — shared header behavior + footer + mobile drawer */

/* ── Sticky shrink header ────────────────────────────────────── */
body.scrolled .topbar {
  background: rgba(0, 22, 51, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  padding-top: 12px !important;
  padding-bottom: 12px !important;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar {
  transition: background 0.25s ease, padding 0.25s ease, border-color 0.25s ease;
}
body.scrolled .logo { font-size: 18px; }
body.scrolled .logo small { display: none; }
.logo, .logo small { transition: font-size 0.25s ease, opacity 0.25s ease; }

/* ── EN/DE toggle ───────────────────────────────────────────── */
.lang {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  cursor: pointer; user-select: none;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.lang:hover { border-color: rgba(0,180,199,0.4); background: rgba(0,180,199,0.06); }
.lang .pill { color: var(--silber); padding: 2px 4px; border-radius: 999px; }
.lang .pill.on { color: var(--csg-blau-deep); background: var(--csg-cyan); }
.lang .sep { color: var(--schiefer); margin: 0 2px; }

/* ── Mobile drawer ──────────────────────────────────────────── */
.mob-drawer {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 22, 51, 0.96);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: 28px 32px;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
  pointer-events: none;
}
.mob-drawer.open { transform: translateY(0); pointer-events: auto; }
.mob-drawer .close {
  align-self: flex-end;
  width: 44px; height: 44px; border-radius: 50%;
  background: transparent; border: 1px solid rgba(255,255,255,0.18);
  color: var(--weiss); font-size: 24px; cursor: pointer;
  display: grid; place-items: center;
}
.mob-drawer .close:hover { border-color: var(--csg-cyan); color: var(--csg-cyan); }
.mob-drawer nav {
  display: flex; flex-direction: column; gap: 4px;
  margin-top: 40px;
}
.mob-drawer nav a {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 400; letter-spacing: -0.01em;
  color: var(--weiss); text-decoration: none;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s, padding-left 0.2s;
}
.mob-drawer nav a:hover { color: var(--csg-cyan); padding-left: 8px; }
.mob-drawer nav a.active { color: var(--csg-cyan); }
.mob-drawer .ix { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; color: var(--silber); margin-right: 14px; }
.mob-drawer .foot { margin-top: auto; padding-top: 28px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--silber); }

.mob-toggle {
  display: none;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 0; cursor: pointer; color: var(--weiss);
}
.mob-toggle span, .mob-toggle span::before, .mob-toggle span::after {
  display: block; content: ''; position: relative;
  width: 22px; height: 1.5px; background: var(--weiss);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.mob-toggle span::before { position: absolute; top: -6px; left: 0; }
.mob-toggle span::after  { position: absolute; top: 6px;  left: 0; }

@media (max-width: 820px) {
  .topbar { padding: 14px 18px !important; }
  .top-nav > a, .top-nav > .nav-toggle { display: none; }
  .top-nav .lang { display: none; }
  .mob-toggle { display: inline-flex; }
  .logo small { display: none; }
}

/* ── Site-wide rich footer ──────────────────────────────────── */
.site-footer {
  position: relative;
  margin-top: 0;
  padding: 80px 8vw 32px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.25));
  border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--stein);
}
.site-footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(to right, transparent, rgba(0,180,199,0.5), transparent);
}
.site-footer .row1 {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-footer .brand-col .logo { font-size: 28px; }
.site-footer .brand-col p {
  font-size: 14px; font-weight: 300; line-height: 1.55; color: var(--stein);
  margin-top: 18px; max-width: 36ch;
}
.site-footer .brand-col .addr {
  margin-top: 22px; font-family: var(--font-mono); font-size: 11px;
  color: var(--silber); letter-spacing: 0.08em; line-height: 1.7;
}
.site-footer .brand-col .addr a { color: var(--csg-cyan); text-decoration: none; }
.site-footer .brand-col .addr a:hover { text-decoration: underline; }
.site-footer h6 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.22em;
  color: var(--csg-cyan); margin-bottom: 18px; text-transform: uppercase;
}
.site-footer ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.site-footer ul a {
  color: var(--silber); font-size: 14px; text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}
.site-footer ul a:hover { color: var(--csg-cyan); padding-left: 4px; }
.site-footer .row2 {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 24px; padding-top: 28px;
}
.site-footer .row2 .copy {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--schiefer);
}
.site-footer .row2 .legal {
  display: flex; gap: 22px; flex-wrap: wrap;
}
.site-footer .row2 .legal a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--silber); text-decoration: none;
}
.site-footer .row2 .legal a:hover { color: var(--csg-cyan); }
.site-footer .group {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 12px;
  border-radius: 999px; border: 1px solid rgba(0,180,199,0.3);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--silber);
}
.site-footer .group b { color: var(--csg-cyan); }
.site-footer .nl {
  display: flex; align-items: center; gap: 8px; max-width: 340px;
  background: rgba(0,180,199,0.04); border: 1px solid rgba(0,180,199,0.18);
  border-radius: 999px; padding: 4px 4px 4px 16px;
  margin-top: 18px;
}
.site-footer .nl input {
  flex: 1; background: transparent; border: 0; outline: 0;
  color: var(--weiss); font-family: var(--font-display); font-size: 13px;
}
.site-footer .nl input::placeholder { color: var(--schiefer); }
.site-footer .nl button {
  border: 0; background: var(--csg-cyan); color: var(--csg-blau-deep);
  padding: 8px 14px; border-radius: 999px; font-family: var(--font-display);
  font-size: 12px; font-weight: 600; cursor: pointer;
  transition: background 0.2s;
}
.site-footer .nl button:hover { background: var(--csg-cyan-glow); }

@media (max-width: 1000px) {
  .site-footer .row1 { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (max-width: 720px) {
  .site-footer .row1 { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 40px; }
  .site-footer { padding: 56px 6vw 28px; }
  .site-footer .row2 { flex-direction: column; align-items: flex-start; }
}