/* ==================================================
   HEADER
   FIXED – BLEIBT BEIM SCROLLEN OBEN
================================================== */

.site-header {
  position: fixed;

  top: 0;
  left: 0;
  right: 0;

  z-index: 9999;

  width: 100%;
  height: 80px;

  background:
    linear-gradient(
      90deg,
      var(--dart-black) 0%,
      #181818 45%,
      var(--dart-green-dark) 100%
    );

  border-bottom:
    3px solid
    var(--dart-red);
}


/* ==================================================
   HEADER INNER
================================================== */

.header-inner {
  width: 100%;
  max-width: 1800px;

  height: 80px;

  margin: 0 auto;
  padding: 0 40px;

  display: flex;
  align-items: center;

  gap: 26px;
}


/* ==================================================
   BODY
   AUSGLEICH FÜR FIXED HEADER
================================================== */

body {
  width: 100%;
  min-height: 100vh;

  display: flex;
  flex-direction: column;

  margin: 0;
  padding-top: 80px;

  font-family:
    Arial,
    Helvetica,
    sans-serif;

  font-size: 16px;

  color: #ffffff;
  background: #111111;
}


/* ==================================================
   DESKTOP XL
================================================== */

@media (min-width: 1800px) {

  .header-inner {
    max-width: 1880px;

    padding-left: 48px;
    padding-right: 48px;
  }
}


/* ==================================================
   TABLET
================================================== */

@media (max-width: 1100px) {

  .header-inner {
    padding-left: 24px;
    padding-right: 24px;
  }
}


/* ==================================================
   LOGO
================================================== */

.logo {
  display: inline-flex;
  align-items: center;

  flex-shrink: 0;

  color: #ffffff;

  font-size: 1.5rem;
  font-weight: 800;

  letter-spacing: 0.06em;

  text-transform: uppercase;
  text-decoration: none;
}

.logo span {
  color: var(--dart-red);
}


/* ==================================================
   AKTUELLER SEITENNAME
================================================== */

.current-page {
  display: flex;
  align-items: center;

  gap: 10px;

  margin-left: 12px;

  color: var(--dart-white);

  font-size: 0.78rem;
  font-weight: 800;

  letter-spacing: 0.16em;

  text-transform: uppercase;

  white-space: nowrap;
}

.current-page-line {
  display: block;

  width: 25px;
  height: 2px;

  background: var(--dart-red);
}


/* ==================================================
   SOCIAL LINKS
================================================== */

.social-links {
  display: flex;
  align-items: center;

  gap: 8px;

  margin-left: 8px;

  flex-shrink: 0;
}

.social-links a {
  width: 40px;
  height: 40px;

  padding: 0;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border:
    1px solid
    rgba(255, 255, 255, 0.35);

  border-radius: 50%;

  color: #ffffff;

  font-size: 0.72rem;
  font-weight: 800;

  text-decoration: none;

  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: #ffffff;

  background: var(--dart-red);

  border-color: var(--dart-red);

  transform: translateY(-2px);

  outline: none;
}


/* ==================================================
   DESKTOP NAVIGATION
   AB 901PX SICHTBAR
================================================== */

.main-nav {
  margin-left: auto;

  display: flex;
  align-items: center;
}

.main-nav ul {
  list-style: none;

  margin: 0;
  padding: 0;

  display: flex;
  align-items: center;

  gap: 5px;
}

.main-nav li {
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;

  padding: 12px 16px;

  border-radius: 6px;

  color: #ffffff;

  font-size: 0.95rem;
  font-weight: 700;

  letter-spacing: 0.02em;

  white-space: nowrap;

  text-decoration: none;

  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #ffffff;

  background: var(--dart-red);

  outline: none;
}


/* ==================================================
   HAMBURGER BUTTON
   AUF DESKTOP AUSGEBLENDET
================================================== */

.menu-toggle {
  display: none;

  width: 46px;
  height: 46px;

  flex-shrink: 0;

  padding: 0;
  margin: 0;

  border:
    1px solid
    rgba(255, 255, 255, 0.25);

  border-radius: 6px;

  background: transparent;

  cursor: pointer;

  appearance: none;

  align-items: center;
  justify-content: center;

  flex-direction: column;

  gap: 5px;
}


/* ==================================================
   HAMBURGER ICON
================================================== */

.menu-toggle span {
  display: block;

  width: 25px;
  height: 2px;

  margin: 0;

  background: #ffffff;

  border-radius: 2px;

  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}


/* ==================================================
   HAMBURGER → X
================================================== */

.menu-toggle.active span:nth-child(1) {
  transform:
    translateY(7px)
    rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform:
    translateY(-7px)
    rotate(-45deg);
}


/* ==================================================
   TABLET / MOBILE
   BIS 900PX
================================================== */

@media (max-width: 900px) {

  /* ----------------------------------------------
     HEADER INNER
  ---------------------------------------------- */

  .header-inner {
    height: 80px;

    padding: 0 20px;

    gap: 8px;
  }


  /* ----------------------------------------------
     LOGO
  ---------------------------------------------- */

  .logo {
    font-size: 1.3rem;
  }


  /* ----------------------------------------------
     CURRENT PAGE
  ---------------------------------------------- */

  .current-page {
    margin-left: 8px;

    font-size: 0.7rem;
  }

  .current-page-line {
    width: 18px;
  }


  /* ----------------------------------------------
     SOCIAL
  ---------------------------------------------- */

  .social-links {
    margin-left: 6px;

    gap: 5px;
  }

  .social-links a {
    width: 38px;
    height: 38px;

    font-size: 0.68rem;
  }


  /* ----------------------------------------------
     HAMBURGER BUTTON
  ---------------------------------------------- */

  .menu-toggle {
    display: flex;

    margin-left: auto;
  }


  /* ----------------------------------------------
     MOBILE NAVIGATION
  ---------------------------------------------- */

  .main-nav {
    display: none;

    position: absolute;

    top: 80px;
    left: 0;
    right: 0;

    width: 100%;

    margin: 0;

    padding:
      12px
      20px
      24px;

    background:
      linear-gradient(
        135deg,
        #111111 0%,
        #171717 55%,
        var(--dart-green-dark) 100%
      );

    border-top:
      1px solid
      rgba(255, 255, 255, 0.1);

    border-bottom:
      3px solid
      var(--dart-red);

    box-shadow:
      0 15px 35px
      rgba(0, 0, 0, 0.45);
  }


  /* ----------------------------------------------
     NAVIGATION GEÖFFNET
  ---------------------------------------------- */

  .main-nav.active {
    display: block;
  }


  /* ----------------------------------------------
     MOBILE NAVIGATION LISTE
  ---------------------------------------------- */

  .main-nav ul {
    width: 100%;

    display: flex;

    flex-direction: column;

    align-items: stretch;

    gap: 3px;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;

    width: 100%;

    padding: 15px;

    border-radius: 5px;

    font-size: 1rem;
  }
}


/* ==================================================
   KLEINE SMARTPHONES
================================================== */

@media (max-width: 480px) {

  /* ----------------------------------------------
     HEADER INNER
  ---------------------------------------------- */

  .header-inner {
    padding: 0 15px;
  }


  /* ----------------------------------------------
     LOGO
  ---------------------------------------------- */

  .logo {
    font-size: 1.15rem;
  }


  /* ----------------------------------------------
     CURRENT PAGE
  ---------------------------------------------- */

  .current-page {
    font-size: 0.64rem;

    gap: 7px;
  }

  .current-page-line {
    width: 14px;
  }


  /* ----------------------------------------------
     SOCIAL AUSBLENDEN
  ---------------------------------------------- */

  .social-links {
    display: none;
  }


  /* ----------------------------------------------
     HAMBURGER
  ---------------------------------------------- */

  .menu-toggle {
    width: 44px;
    height: 44px;
  }
}