/* Header – warm glassmorphism aligned in einer Reihe */

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  border-bottom: 1px solid var(--color-border);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 88%, transparent);
  box-shadow: var(--shadow-soft-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Over-hero integration: when the header overlays the first section (top of page) */
.site-header.is-over-hero {
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.site-header.is-over-hero .brand,
.site-header.is-over-hero .brand-text,
.site-header.is-over-hero .brand-title {
  color: var(--color-text);
}

.site-header.is-over-hero .brand-sub {
  color: var(--color-text);
}

.site-header.is-over-hero .nav-link {
  color: var(--color-text);
}
/* At the very top (over-hero), still use orange on hover */
.site-header.is-over-hero .nav-link:hover {
  color: var(--color-primary);
}
/* Keep CTA label and phone icon white in over-hero state */
.site-header.is-over-hero .nav-item-cta .nav-link,
.site-header.is-over-hero .nav-link-phone {
  color: var(--color-white);
}

/* Ensure CTA stays white on hover in over-hero state */
.site-header.is-over-hero .nav-item-cta .nav-link:hover,
.site-header.is-over-hero .nav-link-phone:hover {
  color: var(--color-white);
}

.site-header.is-over-hero .nav-link.is-active::after {
  background: var(--color-text);
}

/* Keep mobile dropdown legible in over-hero mode */
@media (max-width: 1039.98px) {
  .site-header.is-over-hero .site-nav[data-state="open"] {
    background: linear-gradient(
      150deg,
      color-mix(in srgb, var(--color-bg) 92%, transparent) 0%,
      color-mix(in srgb, var(--color-surface) 88%, transparent) 100%
    );
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
  }
  .site-header.is-over-hero .site-nav[data-state="open"] .nav-link {
    color: var(--color-text);
  }
  /* Ensure hover orange also inside opened mobile menu */
  .site-header.is-over-hero .site-nav[data-state="open"] .nav-link:hover {
    color: var(--color-primary);
  }
  /* Also keep CTA and phone white inside opened mobile menu */
  .site-header.is-over-hero .site-nav[data-state="open"] .nav-item-cta .nav-link,
  .site-header.is-over-hero .site-nav[data-state="open"] .nav-link-phone {
    color: var(--color-white);
  }
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: clamp(0.75rem, 1.5vw, 1.6rem);
  row-gap: clamp(0.65rem, 1vw, 1rem);
  padding-block: clamp(0.9rem, 1.8vw, 1.25rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--color-text);
}

.brand-icon {
  display: grid;
  place-items: center;
  width: clamp(2.4rem, 2.5vw + 1.6rem, 3.1rem);
  height: clamp(2.4rem, 2.5vw + 1.6rem, 3.1rem);
  border-radius: 18px;
  background: linear-gradient(140deg, rgba(199, 58, 31, 0.95) 0%, rgba(199, 58, 31, 0.92) 100%);
  color: var(--color-white);
  font-size: clamp(1.25rem, 1.1vw + 1rem, 1.6rem);
  box-shadow: var(--shadow-raised);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-size: clamp(1.25rem, 1.35vw + 1rem, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.015em;
}

.brand-sub {
  font-size: clamp(0.78rem, 0.55vw + 0.68rem, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
}

/* Brand hover: make "Kompetenzzentrum Ladybird" green on hover */
.brand:hover .brand-text,
.site-header.is-over-hero .brand:hover .brand-text,
.brand:hover .brand-title,
.site-header.is-over-hero .brand:hover .brand-title {
  color: var(--color-accent-teal);
}

.site-nav {
  --nav-gap: 0.6rem;
  order: 3;
  flex: 1 1 100%;
  width: 100%;
  background: var(--color-surface);
  background: linear-gradient(
    150deg,
    color-mix(in srgb, var(--color-bg) 92%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 88%, transparent) 100%
  );
  border-radius: 18px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  padding: 0.75rem 0.85rem;
  max-height: 520px;
  overflow: hidden;
  transition: max-height var(--transition-base), opacity var(--transition-base), transform var(--transition-base), padding var(--transition-quick), margin var(--transition-quick);
}

.site-nav[data-state="open"] {
  opacity: 1;
}

.has-js .site-nav[data-state="closed"] {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
  border-width: 0;
}

.site-nav:not([data-state="closed"]) {
  margin-top: 0.3rem;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--nav-gap);
}

.nav-item {
  display: block;
}

.nav-link {
  --nav-link-pad-inline: clamp(0.65rem, 0.45vw + 0.45rem, 0.95rem);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  white-space: nowrap;
  font-size: clamp(0.92rem, 0.3vw + 0.86rem, 1.02rem);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
  padding: clamp(0.42rem, 0.5vw, 0.62rem) var(--nav-link-pad-inline);
  transition: color var(--transition-quick);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: var(--nav-link-pad-inline);
  right: var(--nav-link-pad-inline);
  bottom: clamp(-0.4rem, -0.45vw, -0.28rem);
  /* Slightly stronger underline to match reference */
  height: 3px;
  border-radius: 999px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-quick), opacity var(--transition-quick);
  opacity: 0;
}

/* Hover state: switch to brand orange without triggering layout shifts */
.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link:focus-visible {
  outline: 3px solid var(--color-accent-teal);
  outline-offset: 3px;
}

.nav-link.is-active {
  font-weight: 700;
}

.nav-link.is-active::after {
  opacity: 1;
  transform: scaleX(1);
  background: var(--color-text);
}

/* Treat aria-current="page" the same as .is-active for underline semantics. */
.nav-link[aria-current="page"] {
  font-weight: 700;
}
.nav-link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
  background: var(--color-text);
}

/* On hover, even active items use hover color for the underline */
/* Force active item's underline to follow hover (orange) */
.nav-link.is-active:hover::after {
  background: currentColor;
}

/* Same override when in over-hero transparent header state */
.site-header.is-over-hero .nav-link.is-active:hover::after {
  background: currentColor;
}

/* Keep current page link black on hover (except CTA/phone) */
.site-header .site-nav .nav-list > .nav-item:not(.nav-item-cta):not(.nav-item-call) > .nav-link.is-active:hover {
  color: var(--color-text);
}
/* Same override in over-hero and opened mobile menu states */
.site-header.is-over-hero .site-nav .nav-list > .nav-item:not(.nav-item-cta):not(.nav-item-call) > .nav-link.is-active:hover,
.site-header.is-over-hero .site-nav[data-state="open"] .nav-list > .nav-item:not(.nav-item-cta):not(.nav-item-call) > .nav-link.is-active:hover {
  color: var(--color-text);
}

.nav-item-cta .nav-link {
  padding-inline: clamp(1.3rem, 1vw + 1.1rem, 1.9rem);
  padding-block: clamp(0.5rem, 0.3vw + 0.45rem, 0.72rem);
  background: linear-gradient(135deg, rgba(199, 58, 31, 0.95) 0%, rgba(199, 58, 31, 0.92) 95%);
  color: var(--color-white);
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 12px 26px color-mix(in srgb, var(--color-primary) 28%, transparent);
}

.nav-item-cta .nav-link:hover {
  color: var(--color-white);
  box-shadow: 0 16px 30px color-mix(in srgb, var(--color-primary) 34%, transparent);
}

.nav-item-cta .nav-link::after,
.nav-link-phone::after {
  display: none;
}

.nav-item-call {
  display: flex;
  flex: 0 0 auto;
}

.nav-link-phone {
  gap: 0;
  padding: 0.45rem;
  min-width: 2.8rem;
  height: 2.8rem;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(46, 111, 78, 0.95) 0%, rgba(46, 111, 78, 0.9) 100%);
  color: var(--color-white);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--color-secondary) 26%, transparent);
}

.nav-link-phone:hover {
  color: var(--color-white);
  box-shadow: 0 18px 32px color-mix(in srgb, var(--color-secondary) 34%, transparent);
}

.nav-phone-icon {
  width: 1.35rem;
  height: 1.35rem;
}

.nav-phone-label {
  display: none;
  font-weight: 700;
}

.header-tools {
  display: flex;
  align-items: center;
  margin-left: auto;
  order: 2;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border-radius: 16px;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-bg) 92%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 84%, transparent) 100%
  );
  color: var(--color-text);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-quick), box-shadow var(--transition-quick);
}

.nav-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft-sm);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--color-accent-teal);
  outline-offset: 3px;
}

.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
}

.nav-toggle-icon span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  display: block;
}

@media (min-width: 720px) and (max-width: 1039.98px) {
  /* Keep call shortcut aligned with the donation button on high desktop zoom */
  .site-nav .nav-list {
    grid-template-columns: repeat(2, auto);
    row-gap: var(--nav-gap);
    column-gap: clamp(0.6rem, 0.5vw + 0.4rem, 1rem);
    justify-content: flex-start;
    align-items: center;
  }
  .site-nav .nav-list > .nav-item {
    grid-column: 1 / -1;
  }
  .site-nav .nav-list > .nav-item-cta,
  .site-nav .nav-list > .nav-item-call {
    grid-column: auto;
    justify-self: start;
  }
}

@media (min-width: 1040px) {
  .header-inner {
    flex-wrap: nowrap;
  }
  .site-nav {
    /* Tighter gap so all items fit inside 1180px container */
    --nav-gap: clamp(0.5rem, 0.45vw + 0.45rem, 1.2rem);
    order: 2;
    flex: 1 1 auto;
    width: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    max-height: none !important;
    opacity: 1 !important;
    transform: none !important;
    margin-top: 0;
    /* Give the nav a bit more room next to the brand on tight desktops */
    margin-left: clamp(0.6rem, 1.2vw, 1.4rem);
    overflow: visible;
  }
  /* Compact link paddings on desktop */
  .nav-link {
    --nav-link-pad-inline: clamp(0.45rem, 0.35vw + 0.35rem, 0.8rem);
    letter-spacing: 0;
  }
  .nav-list {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: var(--nav-gap);
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
  }
  .nav-item {
    flex: 0 0 auto;
    display: flex;
  }
  .nav-item-call {
    margin-left: calc(var(--nav-gap) * 0.35);
    display: flex;
  }
  .nav-item-cta {
    margin-left: calc(var(--nav-gap) * 0.5);
  }
  .nav-item-cta .nav-link {
    padding-inline: clamp(0.95rem, 0.6vw + 0.8rem, 1.4rem);
  }
  .header-tools {
    display: none;
  }
}

/* Tight desktop widths: keep the full menu visible */
@media (min-width: 1040px) and (max-width: 1400px) {
  /* Slightly compact link paddings and size */
  .nav-link {
    font-size: clamp(0.88rem, 0.18vw + 0.86rem, 0.98rem);
    --nav-link-pad-inline: clamp(0.4rem, 0.3vw + 0.35rem, 0.7rem);
  }
  .nav-item-cta .nav-link {
    padding-inline: clamp(0.9rem, 0.7vw + 0.75rem, 1.3rem);
  }
  /* Hide the phone icon on narrow desktops to prevent overflow. It's still accessible on mobile and via Kontakt. */
  .nav-item-call { display: none; }
}

@media (max-width: 720px) {
  .brand-icon {
    width: 2.4rem;
    height: 2.4rem;
  }
  .brand-title {
    font-size: 1.25rem;
  }
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
  }
  .nav-link-phone {
    justify-content: flex-start;
    min-width: 0;
    height: auto;
    padding-block: clamp(0.5rem, 0.3vw + 0.45rem, 0.72rem);
    padding-inline: clamp(1.3rem, 1vw + 1.1rem, 1.9rem);
  }
  .nav-phone-icon {
    display: none;
  }
  .nav-phone-label {
    display: inline;
  }
}