/* ==========================
   HEADER (BEM FINAL)
========================== */
.site-header {
  margin: 0 auto 1rem;
  max-width: 1400px;
  background: var(--qm-white);
  border: 1px solid var(--qm-border);
  border-top: 0;
  border-radius: 0 0 var(--qm-radius) var(--qm-radius);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
/* Hover nur auf Geräten mit echter Hover-Unterstützung */

@media (hover: hover) {

  .site-header:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  }

}

/* ==========================
   TOP NAVIGATION
========================== */

.site-header__topnav {
  background: var(--qm-bg);
  border-bottom: 1px solid var(--qm-border);
}

.site-header__topnav-list,
.site-header__mainnav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__topnav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.5rem 1rem;
  padding: 0.7rem 1rem;
}

.site-header__topnav-link {
  display: block;

  color: var(--qm-muted);
  font-size: 0.95rem;
  font-weight: 700;

  transition:
    color 0.15s ease,
    background-color 0.15s ease;
}

.site-header__topnav-link:hover,
.site-header__topnav-link:focus-visible {
  color: var(--qm-primary);
  text-decoration: none;
}

.site-header__topnav-link[aria-current="page"] {
  color: var(--qm-primary);
  font-weight: 800;
}

/* ==========================
   MAIN HEADER
========================== */

.site-header__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;

  padding: 1.2rem;

  background:
    linear-gradient(
      to bottom,
      #ffffff 0%,
      #f9fbf4 100%
    );
}

.site-header__logo {
  display: inline-block;
}

.site-header__logo:focus-visible {
  outline: 3px solid var(--qm-primary);
  outline-offset: 4px;
  border-radius: 6px;
}

.site-header__logo-image {
  width: 170px;
  height: auto;
}

.site-header__text {
  min-width: 0;
}

.site-header__title {
  margin: 0 0 0.25rem;

  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;

  color: var(--qm-primary);
}

.site-header__claim {
  margin: 0 0 0.35rem;

  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;

  color: var(--qm-text);
}

.site-header__subtitle {
  margin: 0;

  font-size: 1rem;
  line-height: 1.5;

  color: var(--qm-muted);
}

/* ==========================
   MAIN NAVIGATION
========================== */

.site-header__mainnav {
  background: var(--qm-primary);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.site-header__mainnav-list {
  display: flex;
  flex-direction: column;
}

.site-header__mainnav-link {
  display: block;

  padding: 0.95rem 1rem;

  color: var(--qm-white);
  font-weight: 700;
  line-height: 1.4;

  border-top: 1px solid rgba(255, 255, 255, 0.14);

  transition:
    color 0.15s ease,
    background-color 0.15s ease;
}

/* ACTIVE STATE */

.site-header__mainnav-link.is-active,
.site-header__mainnav-link[aria-current="page"] {
  background: var(--qm-secondary);
  color: var(--qm-white);
  text-decoration: none;
  font-weight: 800;
}

.site-header__mainnav-link:hover,
.site-header__mainnav-link:focus-visible {
  background: var(--qm-secondary);
  color: var(--qm-white);
  text-decoration: none;
}

/* ==========================
   ACCESSIBILITY
========================== */

/* Main Navigation Focus */

.site-header__mainnav-link:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;

  position: relative;
  z-index: 2;
}

/* Top Navigation Focus */

.site-header__topnav-link:focus-visible {
  outline: 3px solid var(--qm-primary);
  outline-offset: 2px;

  background: rgba(127, 168, 47, 0.12);
  border-radius: 4px;

  position: relative;
  z-index: 2;
}

/* Reduced Motion */

@media (prefers-reduced-motion: reduce) {

  .site-header,
  .site-header__mainnav-link,
  .site-header__topnav-link {
    transition: none;
  }

}

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

@media (min-width: 700px) {

  .site-header__main {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
  }

  .site-header__logo-image {
    width: 200px;
  }

  .site-header__mainnav-list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-header__mainnav-link {
    border-top: 0;
  }

}

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

@media (min-width: 1000px) {

  .site-header__topnav-list {
    justify-content: flex-end;
  }

  .site-header__title {
    font-size: 1.6rem;
  }

  .site-header__claim {
    font-size: 2rem;
  }

  .site-header__subtitle {
    font-size: 1.05rem;
  }

}

/* ==========================
   MOBILE
========================== */

@media (max-width: 640px) {

  .site-header {
    margin: 0 auto 1rem;
  }

  .site-header__main {
    gap: 0.75rem;
    padding: 1rem;
  }

  .site-header__logo-image {
    width: 150px;
  }

  .site-header__title {
    font-size: 1.05rem;
  }

  .site-header__claim {
    font-size: 1rem;
    line-height: 1.35;
  }

  .site-header__subtitle {
    font-size: 0.95rem;
  }

}