/* --- 1. Full-screen background video --------------------------- */
.bg-video {
  position: fixed;
  inset: 0;
  /* full viewport */
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  /* behind everything */
  background: rgba(0, 0, 0, .35);
}

/* --- 2. Navbar -------------------------------------------------- */
.line-nav-custom {
  --gap: 3rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: var(--gap);
  justify-content: space-between;
  /* change to space-between */
  font: 500 1rem/1.2 "Inter", sans-serif;
  padding: 0% 20% 0rem;
}

/* logo styles */
.line-nav-custom .logo {
  height: 50px;
  margin-bottom: 1rem;
}

/* container for nav links */
.nav-links-container {
  position: relative;
  /* for positioning the underline */
  display: flex;
  gap: var(--gap);
  align-items: center;
}

.line-nav-custom .dropdown-menu-custom {
  --bs-dropdown-bg: rgba(33, 37, 41, .95);
  /* same colour as above */
  background-color: var(--bs-dropdown-bg);
  /* fallback for older browsers */
  color: #fff;
}

.line-nav-custom .dropdown-item-custom:hover,
.line-nav-custom .dropdown-item-custom:focus {
  background-color: rgba(255, 255, 255, .15);
  /* subtle hover */
}

/* move the line from .line-nav-custom::before to .nav-links-container::after */
.nav-links-container::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: -5%;
  right: -5%;
  height: var(--nav-before-height, 1px);
  background: white;
  pointer-events: none;
  transition: height 0.3s ease;
}

/* coloured underline segment, grows from centre */
.nav-link-custom::after {
  margin-top: 15px;
  content: "";
  position: absolute;
  inset-block-end: -19px;
  inset-inline: 0;
  height: 5px;
  background: var(--primary-color);
  transform-origin: center;
  transform: scaleX(0);
  transition: transform .35s ease;
  z-index: 1;
}

.nav-link-custom:hover::after,
.nav-link-custom:focus-visible::after,
.nav-link-custom[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Non-focused state: adjust border width and color */
.navbar-toggler {
  border: 1px solid white !important;
  /* 3px border with red color */
}

/* =================  Dynamischer Abstand unter der fixen Navbar  ================= */

/* 1️⃣  Grenzwerte festlegen (beliebig an Deine Navbar-Höhen anpassen) */
:root {
  --nav-offset-mobile: 56px;
  /* auf schmalen Screens (≈ Bootstrap Navbar-Höhe) */
  --nav-offset-desktop: 100px;
  /* max. Abstand auf sehr breiten Screens          */
}

/* 2️⃣  Content-Wrapper benutzt eine stufenlose Mischung daraus                 */
.content-offset {
  /* min |   Wachstumsformel   | max   */
  padding-top: clamp(var(--nav-offset-mobile),
      /* 5 vw wächst ab ~400 px harmonisch mit */
      5vw + 16px,
      var(--nav-offset-desktop)) !important;

  /* optional hübsch: weiches Nachziehen beim Resize */
  transition: padding-top .3s ease;
}

/* 3️⃣  In-Page-Anker springen nicht mehr unter die Navbar */
:target {
  scroll-margin-top: clamp(var(--nav-offset-mobile),
      5vw + 16px,
      var(--nav-offset-desktop));
}

/* Container for the toggler icon */
.animated-toggler {
  width: 30px;
  height: 24px;
  /* Fixed height for even spacing */
  position: relative;
}

/* Base wrapper styles */
.line-wrapper {
  position: absolute;
  left: 0;
  right: 0;
}

/* Base inner bar styles */
.line-wrapper span {
  display: block;
  height: 3px;
  background-color: white !important;
  border-radius: 2px;
  /* All properties transition; delays will be set per state */
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

/* Default positions (hamburger state) */
.line-wrapper.top {
  top: 4px;
}

.line-wrapper.middle {
  top: 12px;
}

.line-wrapper.bottom {
  top: 20px;
}

.nav-item .nav-link {
  color: var(--background-color);
}

.nav-item .nav-link:hover,
.nav-item .nav-link:focus {
  color: var(--primary-color);
}

/* ---------- OPEN STATE (Not Collapsed) ---------- */
.navbar-toggler:not(.collapsed) .animated-toggler .line-wrapper.top {
  top: 12px;
  transition: top 0.2s ease 0s;
  /* Move immediately */
}

.navbar-toggler:not(.collapsed) .animated-toggler .line-wrapper.bottom {
  top: 12px;
  transition: top 0.2s ease 0s;
}

.navbar-toggler:not(.collapsed) .animated-toggler .line-wrapper.top span {
  transform: rotate(45deg);
  transition: transform 0.1s ease 0.2s;
  /* Rotate after fusion */
}

.navbar-toggler:not(.collapsed) .animated-toggler .line-wrapper.bottom span {
  transform: rotate(-45deg);
  transition: transform 0.1s ease 0.2s;
}

.navbar-toggler:not(.collapsed) .animated-toggler .line-wrapper.middle span {
  opacity: 0;
  transition: opacity 0.0s ease 0.2s;
  /* Fade after fusion */
}

/* ---------- CLOSED STATE (Collapsed) ---------- */
/* In reverse, we want the inner spans to revert immediately... */
.navbar-toggler.collapsed .animated-toggler .line-wrapper.top span,
.navbar-toggler.collapsed .animated-toggler .line-wrapper.bottom span {
  transform: rotate(0);
  transition: transform 0.2s ease 0s;
  /* Immediate rotation back */
}

.navbar-toggler.collapsed .animated-toggler .line-wrapper.middle span {
  opacity: 1;
  transition: opacity 0.0s ease 0.2s;
  /* Immediate opacity change */
}

/* ...then the wrappers slide back with a delay */
.navbar-toggler.collapsed .animated-toggler .line-wrapper.top {
  top: 4px;
  transition: top 0.1s ease 0.2s;
  /* Delay the vertical slide */
}

.navbar-toggler.collapsed .animated-toggler .line-wrapper.bottom {
  top: 20px;
  transition: top 0.1s ease 0.2s;
}

/* --- 3. Hide navbar line when body has class 'no-navline' --- */
body.no-navline .nav-links-container::after {
  display: none !important;
}