/* nav.css — refined glass navigation */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(48, 112, 102, 0.92);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease), background 0.4s ease;
}
.navbar.visible { transform: translateY(0); }

/* ===== Menu styles (config.js -> menu, preview in menu.html) ===== */
/* transparent: clear over the hero, turns solid turquoise on scroll */
.navbar.menu-transparent { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
.navbar.menu-transparent.scrolled { background: rgba(48, 112, 102, 0.92); backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%); border-bottom-color: rgba(255, 255, 255, 0.12); }

/* minimal: thin + understated, subtle dark tint only on scroll */
.navbar.menu-minimal { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
.navbar.menu-minimal .nav-inner { height: 56px; }
.navbar.menu-minimal .nav-links a { font-size: 0.72rem; letter-spacing: 0.14em; }
.navbar.menu-minimal.scrolled { background: rgba(30, 26, 22, 0.55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }

/* pill: floating rounded bar, centered */
.navbar.menu-pill { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: none; }
.navbar.menu-pill .nav-inner {
  margin: 0.9rem auto;
  max-width: min(1120px, calc(100% - 2rem));
  height: 56px;
  padding: 0 1.3rem;
  background: rgba(48, 112, 102, 0.92);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-radius: 999px;
  box-shadow: 0 12px 32px -14px rgba(30, 26, 22, 0.55);
}
.navbar.menu-pill.scrolled .nav-inner { background: rgba(48, 112, 102, 0.96); }

/* bordered: floating bar with a clear outline (Umrandung), translucent fill */
.navbar.menu-bordered { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: none; }
.navbar.menu-bordered .nav-inner {
  margin: 0.9rem auto;
  max-width: min(1120px, calc(100% - 2rem));
  height: 56px; padding: 0 1.3rem;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 14px;
  background: rgba(48, 112, 102, 0.30);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.navbar.menu-bordered.scrolled .nav-inner { background: rgba(48, 112, 102, 0.9); border-color: rgba(255, 255, 255, 0.25); }

/* glass: frosted glassmorphism, hairline white border */
.navbar.menu-glass { background: transparent; border-bottom: none; }
.navbar.menu-glass .nav-inner {
  margin: 0.9rem auto;
  max-width: min(1120px, calc(100% - 2rem));
  height: 56px; padding: 0 1.3rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 16px;
  backdrop-filter: blur(18px) saturate(160%); -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 10px 30px -14px rgba(30, 26, 22, 0.4);
}

/* floating: detached solid rounded card */
.navbar.menu-floating { background: transparent; border-bottom: none; }
.navbar.menu-floating .nav-inner {
  margin: 1rem auto;
  max-width: min(1120px, calc(100% - 2rem));
  height: 58px; padding: 0 1.4rem;
  background: rgb(48, 112, 102);
  border-radius: 14px;
  box-shadow: 0 18px 40px -16px rgba(30, 26, 22, 0.55);
}

/* dark: solid charcoal bar (slides in on scroll like classic) */
.navbar.menu-dark { background: rgba(30, 26, 22, 0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: rgba(255, 255, 255, 0.08); }
.navbar.menu-dark.scrolled { background: rgba(30, 26, 22, 0.97); }

/* line: clear with a hairline; a touch of tint on scroll */
.navbar.menu-line { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: 1px solid rgba(255, 255, 255, 0.28); }
.navbar.menu-line.scrolled { background: rgba(30, 26, 22, 0.42); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

/* readability for the fully-transparent families over the hero image */
.navbar.menu-transparent .nav-links a, .navbar.menu-transparent .nav-logo,
.navbar.menu-minimal .nav-links a, .navbar.menu-minimal .nav-logo,
.navbar.menu-line .nav-links a, .navbar.menu-line .nav-logo {
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

/* ===== Header fine-tuning (border / dividers / colour / texture) =====
   full-bar styles paint the .navbar; floating styles paint the .nav-inner. */
:where(.navbar.menu-classic, .navbar.menu-transparent, .navbar.menu-minimal, .navbar.menu-dark, .navbar.menu-line).hdr-color {
  background-color: var(--hdr-col) !important;
}
:where(.navbar.menu-pill, .navbar.menu-bordered, .navbar.menu-glass, .navbar.menu-floating).hdr-color .nav-inner {
  background-color: var(--hdr-col) !important;
}
:where(.navbar.menu-classic, .navbar.menu-transparent, .navbar.menu-minimal, .navbar.menu-dark, .navbar.menu-line).hdr-texture {
  background-image: url("../images/Assets/parchment.jpg") !important;
  background-size: cover; background-position: center; background-blend-mode: multiply;
}
:where(.navbar.menu-pill, .navbar.menu-bordered, .navbar.menu-glass, .navbar.menu-floating).hdr-texture .nav-inner {
  background-image: url("../images/Assets/parchment.jpg") !important;
  background-size: cover; background-position: center; background-blend-mode: multiply;
}
:where(.navbar.menu-classic, .navbar.menu-transparent, .navbar.menu-minimal, .navbar.menu-dark, .navbar.menu-line).hdr-border {
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.55) !important;
}
:where(.navbar.menu-pill, .navbar.menu-bordered, .navbar.menu-glass, .navbar.menu-floating).hdr-border .nav-inner {
  border: 1.5px solid rgba(255, 255, 255, 0.8) !important;
}
.navbar.hdr-dividers .nav-links { gap: 0; }
.navbar.hdr-dividers .nav-links li + li { border-left: 1px solid rgba(255, 255, 255, 0.32); }
.navbar.hdr-dividers .nav-links a { padding-left: 0.95rem; padding-right: 0.95rem; }
.navbar.hdr-h .nav-inner { height: var(--hdr-h) !important; }

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto 1fr;   /* logo | centered menu | lang */
  align-items: center;
  height: 66px;
  gap: 1rem;
}
.nav-logo { grid-column: 1; justify-self: start; }

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--stone-light); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.35rem;
  grid-column: 2;
  justify-self: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-links a {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0.9rem; right: 0.9rem;
  bottom: 0.35rem;
  height: 1px;
  background: var(--terracotta-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { transform: scaleX(1); }

.lang-switcher {
  display: flex;
  gap: 3px;
  grid-column: 3;
  justify-self: end;
  padding-left: 1.25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  flex-shrink: 0;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.68rem;
  font-family: var(--font-body);
  padding: 0.28rem 0.5rem;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.3s var(--ease);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.lang-btn:hover { border-color: rgba(255,255,255,0.6); color: #fff; }
.lang-btn.active {
  background: var(--white);
  color: var(--charcoal);
  border-color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--white);
  transition: all 0.3s var(--ease);
  display: block;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }