/* HEADER */
.site-header{
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.site-header.is-scrolled{
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-bottom-color: var(--border);
  box-shadow: 0 2px 24px -16px rgba(46,42,36,0.18);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}

/* BRAND */
.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  position: relative;
  z-index: 1;
}
.brand-mark{
  width: 38px;
  height: 38px;
  color: var(--accent);
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--accent) 12%, var(--bg));
  border-radius: 10px;
  flex-shrink: 0;
}
.brand-mark svg{ width: 24px; height: 24px; }
.brand-text{ display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.brand-name{
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-tag{
  font-family: var(--ff-body);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--text-mute);
}

/* NAV DESKTOP */
.nav-desktop{ display: none; gap: 6px; align-items: center; }
.nav-desktop a{
  font-family: var(--ff-ui);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-desktop a:hover{ color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.nav-desktop a[aria-current="page"]{ color: var(--accent); }

.header-cta{
  display: none;
  align-items: center;
  gap: 10px;
}

@media (min-width: 1000px){
  .nav-desktop{ display: flex; }
  .header-cta{ display: inline-flex; }
}

/* BURGER MOBILE */
.burger{
  position: fixed;
  top: calc((var(--header-h-mobile) - 44px) / 2);
  right: 16px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: calc(var(--z-header) + 10);
}
.burger span,
.burger span::before,
.burger span::after{
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  position: relative;
  transition: transform var(--t-fast) var(--ease), top var(--t-fast) var(--ease), bottom var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.burger span{ position: relative; }
.burger span::before{ position: absolute; top: -8px; left: 0; }
.burger span::after{ position: absolute; top: 8px; left: 0; }
.burger.is-open span{ background: transparent; }
.burger.is-open span::before{ top: 0; transform: rotate(45deg); }
.burger.is-open span::after{ top: 0; transform: rotate(-45deg); }

@media (min-width: 1000px){
  .burger{ display: none; }
}

/* MENU MOBILE */
.menu-mobile{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: var(--bg);
  z-index: var(--z-menu);
  padding: calc(var(--header-h-mobile) + 32px) 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform .35s var(--ease), opacity .35s var(--ease), visibility 0s linear .35s;
}
.menu-mobile.is-open{
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform .35s var(--ease), opacity .35s var(--ease);
}
.menu-mobile a{
  font-family: var(--ff-display);
  font-size: 1.55rem;
  font-weight: 500;
  color: var(--text);
  padding: 14px 6px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.menu-mobile a::after{
  content: "";
  width: 14px; height: 14px;
  border-right: 1.5px solid var(--text-mute);
  border-top: 1.5px solid var(--text-mute);
  transform: rotate(45deg);
}
.menu-mobile a.btn{
  font-family: var(--ff-ui);
  font-size: 1rem;
  margin-top: 18px;
  border-bottom: 0;
  justify-content: center;
  padding: 14px 18px;
}
.menu-mobile a.btn::after{ display: none; }
.menu-mobile a.btn-primary{ color: #fff; background: var(--accent); border-radius: var(--r-md); }
.menu-mobile a.btn-wa{ color: #fff; background: var(--wa-green); border-radius: var(--r-md); }

@media (min-width: 1000px){
  .menu-mobile{ display: none; }
}

/* FOOTER */
.site-footer{
  background: var(--surface-dark);
  color: #fff;
  padding: 56px 0 28px;
  margin-top: 0;
}
.site-footer h4{
  font-family: var(--ff-display);
  font-size: 1.06rem;
  margin-bottom: 14px;
  color: #fff;
}
.site-footer p, .site-footer a, .site-footer li{
  color: rgba(255,255,255,0.74);
  font-size: 0.92rem;
  line-height: 1.7;
}
.site-footer a:hover{ color: var(--accent-on-dark); }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-brand .brand-mark{
  background: rgba(255,255,255,0.08);
  color: var(--accent-on-dark);
}
.footer-brand .brand-name{ color: #fff; }
.footer-brand .brand-tag{ color: rgba(255,255,255,0.5); }
.footer-brand .footer-desc{ margin-top: 16px; max-width: 32ch; }
.footer-list{ display: flex; flex-direction: column; gap: 8px; }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover{ color: #fff; }

@media (max-width: 900px){
  .footer-grid{ grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
}

/* FAB Appeler mobile */
.fab-call{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 58px;
  height: 58px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px -8px rgba(168,90,54,0.5), 0 4px 12px -4px rgba(0,0,0,0.18);
  z-index: var(--z-fab);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.fab-call svg{ width: 26px; height: 26px; }
.fab-call.is-visible{ opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (min-width: 1000px){
  .fab-call{ display: none; }
}