/* ==========================================================================
   Site Header — neu aufgebaut
   ========================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  width: 100%;
  height: var(--header-h);
  overflow: visible;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition:
    height 0.3s var(--ease),
    box-shadow 0.3s var(--ease),
    background 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  height: var(--header-h-compact);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(42, 38, 34, 0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: var(--container-max);
  height: 100%;
  min-width: 0;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
}

.header-inner > * {
  min-width: 0;
}

.header-inner > .nav-toggle,
.header-inner > .header-cta--desktop {
  min-width: auto;
}

/* —— Brand / Logo —— */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
  flex: 0 1 auto;
  max-width: min(100%, 14rem);
  min-height: var(--tap-min);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
}

.brand__logo {
  display: block;
  flex-shrink: 0;
  line-height: 0;
  overflow: visible;
}

.brand__logo picture,
.brand__logo img {
  display: block;
  max-height: 40px;
  width: auto;
  height: auto;
  max-width: 40px;
  object-fit: contain;
  border-radius: 50%;
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
  overflow: hidden;
}

.brand__name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: font-size 0.3s var(--ease);
}

.site-header.is-scrolled .brand__name {
  font-size: 0.8125rem;
}

.brand__tagline {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 23.9375rem) {
  .brand__tagline {
    display: none;
  }

  .brand {
    max-width: calc(100% - var(--tap-min) - 1rem);
  }
}

/* —— Hamburger (Mobile) —— */
.nav-toggle {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: var(--tap-min);
  height: var(--tap-min);
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  z-index: 202;
  transition:
    border-color var(--duration) var(--ease),
    transform 0.35s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--border-strong);
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition:
    transform 0.35s var(--ease),
    opacity 0.25s var(--ease),
    width 0.35s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle.is-closing {
  transform: rotate(-90deg);
}

/* —— Nav shell (Mobile overlay) —— */
.nav-shell {
  position: fixed;
  inset: 0;
  z-index: 201;
  display: flex;
  pointer-events: none;
  visibility: hidden;
}

.nav-shell__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(42, 38, 34, 0.45);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.nav-shell__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-height: auto;
  padding: 0;
  opacity: 0;
  transform: translateY(0.5rem);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background-color: #fffef9;
  transition:
    opacity 0.35s var(--ease),
    transform 0.4s var(--ease);
}

.nav-shell__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cpath fill='none' stroke='%232e2e2e' stroke-width='0.75' d='M0 24Q12 4 24 24Q36 4 48 24'/%3E%3Cpath fill='none' stroke='%232e2e2e' stroke-width='0.75' d='M0 12Q12-8 24 12Q36-8 48 12'/%3E%3C/svg%3E");
  background-size: 48px 24px;
  background-repeat: repeat;
  opacity: 0.05;
  pointer-events: none;
}

.nav-shell__kanji {
  position: absolute;
  right: -0.25rem;
  bottom: 1.5rem;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(5.5rem, 26vw, 8.5rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(46, 46, 46, 0.35);
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}

.nav-shell__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-height: calc(100dvh - var(--header-h));
  padding:
    calc(var(--header-h) + var(--space-sm))
    var(--space-lg)
    max(var(--space-md), env(safe-area-inset-bottom));
}

.nav-shell__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.nav-shell__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 1px 4px rgba(46, 46, 46, 0.04);
  transition:
    background var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    color var(--duration) var(--ease);
}

.nav-shell__contact {
  padding: var(--space-sm) 0 0;
  border-top: 1px solid var(--border);
}

.nav-shell__contact-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.35rem 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.nav-shell__contact-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--accent);
}

.nav-shell__contact-row span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.nav-shell__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
}

.nav-shell.is-open .nav-shell__panel,
.nav-shell.is-closing .nav-shell__panel {
  min-height: 100dvh;
}

.nav-shell.is-open {
  pointer-events: auto;
  visibility: visible;
}

.nav-shell.is-open .nav-shell__backdrop {
  opacity: 1;
}

.nav-shell.is-open .nav-shell__panel {
  opacity: 1;
  transform: translateY(0);
}

.nav-shell.is-closing .nav-shell__backdrop {
  opacity: 0;
}

.nav-shell.is-closing .nav-shell__panel {
  opacity: 0;
  transform: translateY(0.5rem);
}

.main-nav {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 3.5rem;
  min-width: 0;
  padding: 0 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition:
    background var(--duration) var(--ease),
    color var(--duration) var(--ease);
}

/* Mobile-Menü: gestaffeltes Einblenden */
@keyframes nav-link-stagger-in {
  from {
    opacity: 0;
    transform: translateY(-0.65rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-shell.is-open .main-nav .nav-link {
  animation: nav-link-stagger-in 0.42s var(--ease) backwards;
}

.nav-shell.is-open .main-nav .nav-link:nth-child(1) { animation-delay: 0.05s; }
.nav-shell.is-open .main-nav .nav-link:nth-child(2) { animation-delay: 0.1s; }
.nav-shell.is-open .main-nav .nav-link:nth-child(3) { animation-delay: 0.15s; }
.nav-shell.is-open .main-nav .nav-link:nth-child(4) { animation-delay: 0.2s; }
.nav-shell.is-open .main-nav .nav-link:nth-child(5) { animation-delay: 0.25s; }
.nav-shell.is-open .main-nav .nav-link:nth-child(6) { animation-delay: 0.3s; }

.nav-shell.is-open .nav-shell__quick,
.nav-shell.is-open .nav-shell__contact {
  animation: nav-link-stagger-in 0.4s var(--ease) backwards;
}

.nav-shell.is-open .nav-shell__quick {
  animation-delay: 0.02s;
}

.nav-shell.is-open .nav-shell__contact {
  animation-delay: 0.35s;
}

.nav-shell.is-open .nav-shell__actions {
  animation: nav-link-stagger-in 0.4s var(--ease) 0.4s backwards;
}

@media (prefers-reduced-motion: reduce) {
  .nav-shell.is-open .main-nav .nav-link,
  .nav-shell.is-open .nav-shell__quick,
  .nav-shell.is-open .nav-shell__contact,
  .nav-shell.is-open .nav-shell__actions {
    animation: none;
  }
}

@media (hover: hover) {
  .nav-link:hover {
    background: var(--accent-soft);
    color: var(--accent);
  }

  .nav-pill:hover {
    color: var(--accent);
    border-color: rgba(255, 85, 0, 0.25);
    background: var(--accent-soft);
  }

  .nav-shell__contact-row:hover {
    color: var(--accent);
  }

  .header-cta--desktop:hover {
    color: var(--white);
    background: var(--accent-hover);
  }
}

.nav-link.is-active {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-link.is-active::before {
  content: "";
  flex-shrink: 0;
  width: 3px;
  height: 1.25rem;
  margin-right: 0.65rem;
  background: var(--accent);
  border-radius: 2px;
}

.header-cta {
  flex-shrink: 0;
  min-height: var(--tap-min);
  white-space: nowrap;
}

.header-cta--menu {
  width: 100%;
  font-size: 1.0625rem;
}

.header-cta--desktop {
  display: none;
}

/* —— Desktop (≥1024px) —— */
@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }

  .nav-shell {
    position: static;
    inset: auto;
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    pointer-events: auto;
    visibility: visible;
  }

  .nav-shell__backdrop {
    display: none;
  }

  .nav-shell__panel {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    width: auto;
    min-height: 0;
    padding: 0;
    opacity: 1;
    transform: none;
    overflow: visible;
    background: transparent;
  }

  .nav-shell__panel::before,
  .nav-shell__kanji {
    display: none;
  }

  .nav-shell__inner {
    display: contents;
  }

  .nav-shell__quick,
  .nav-shell__contact,
  .nav-shell__actions {
    display: none;
  }

  .main-nav {
    flex: 0 1 auto;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.125rem;
    min-width: 0;
  }

  .nav-link {
    min-height: 2.5rem;
    padding: 0 0.65rem;
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 999px;
  }

  .nav-link.is-active::before {
    display: none;
  }

  .nav-link.is-active {
    background: var(--accent-soft);
    font-weight: 600;
  }

  .header-cta--menu {
    display: none;
  }

  .header-cta--desktop {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.35rem;
    padding: 0.65rem 1.125rem;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--white);
    background: var(--accent);
    border-radius: 999px;
    box-shadow: 0 4px 16px var(--accent-glow);
    text-decoration: none;
  }

}

@media (min-width: 75rem) {
  .nav-link {
    padding-inline: 0.75rem;
    font-size: 0.875rem;
  }

  .header-cta--desktop {
    padding-inline: 1.25rem;
  }
}

@media (min-width: 90rem) {
  .nav-link {
    padding-inline: 0.85rem;
  }
}

/* —— Mobile FAB Abstand —— */
@media (max-width: 63.99rem) {
  body.has-mobile-fab {
    padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  }

  body.has-mobile-fab main {
    padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    scroll-padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  }
}