/*
 * components/header.css
 * Site-header styles
 */

.site-header {
  background-color: var(--color-bg-card);
  border-bottom: 0.5px solid var(--color-border);
  height: var(--topnav-height);
  position: sticky;
  top: var(--space-sm);
  z-index: 100;
  transition: transform var(--duration-enter) var(--easing-in-out);
  /* Floating layout — gælder alle sider */
  width: calc(100% - 2 * var(--space-lg));
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  margin-top: var(--space-sm);
  border-radius: var(--radius-lg);
}

.site-header--hidden {
  transform: translateY(calc(-100% - var(--space-sm)));
}

/* På forsiden: fixed positioning så heroen starter fra toppen */
.home .site-header {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
}

.home .site-header--hidden {
  transform: translateX(-50%) translateY(calc(-100% - var(--space-sm)));
}

/* Transparent tilstand — bruges når header flyder over full-screen hero */
.site-header--over-hero {
  background-color: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.25);
  box-shadow: none;
}

.site-header--over-hero .site-nav__link {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.site-header--over-hero .site-nav__link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.12);
}

.site-header--over-hero .site-header__logo-text {
  color: #fff;
}

.site-header--over-hero .site-header__logo img {
  filter: brightness(0) invert(1);
}

.site-header--over-hero .btn--primary {
  background-color: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.site-header--over-hero .btn--primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

/* Blød overgang ved scroll */
.site-header {
  transition: background-color var(--duration-enter) var(--easing-in-out),
              border-color var(--duration-enter) var(--easing-in-out),
              box-shadow var(--duration-enter) var(--easing-in-out),
              transform var(--duration-enter) var(--easing-in-out);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-xl);
}

/* Logo */
.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__logo img {
  height: 44px;
  width: auto;
}

.site-header__logo-text {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  letter-spacing: var(--letter-spacing-h4);
}

/* Navigation */
.site-nav {
  flex: 1;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-sm-plus);
  font-size: var(--font-size-secondary);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--easing-out),
              background-color var(--duration-fast) var(--easing-out);
}

.site-nav__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-section);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
  background-color: var(--color-success-bg);
}

/* Chevron */
.site-nav__chevron {
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--easing-out);
}

.site-nav__item--has-dropdown:hover .site-nav__chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.site-nav__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: var(--space-xs);
  min-width: 180px;
  background-color: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-xs);
  list-style: none;
  margin: 0;
  z-index: 200;
  flex-direction: column;
  gap: 2px;
}

.site-nav__item--has-dropdown:hover .site-nav__dropdown {
  display: flex;
}

.site-nav__dropdown a {
  display: flex;
  width: 100%;
  padding: var(--space-sm) var(--space-sm-plus);
  font-size: var(--font-size-secondary);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--duration-fast) var(--easing-out),
              background-color var(--duration-fast) var(--easing-out);
}

.site-nav__dropdown a:hover,
.site-nav__dropdown a[aria-current="page"] {
  color: var(--color-primary);
  background-color: var(--color-success-bg);
}

/* CTA */
.site-header__cta {
  flex-shrink: 0;
}

/* CTA i mobilmenuen — skjult på desktop */
.site-nav__cta {
  display: none;
}

/* Burger — skjult på desktop */
.site-header__burger {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: var(--btn-height-md);
  height: var(--btn-height-md);
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--easing-out);
}

.site-header__burger:hover {
  background-color: var(--color-bg-section);
}

.site-header__burger-icon {
  display: inline-flex;
}

.site-header__burger-icon svg {
  width: var(--icon-size-standard);
  height: var(--icon-size-standard);
  stroke-width: var(--icon-stroke);
}

.site-header__burger-icon--close,
.site-header--menu-open .site-header__burger-icon--open {
  display: none;
}

.site-header--menu-open .site-header__burger-icon--close {
  display: inline-flex;
}

.site-header--over-hero .site-header__burger {
  color: #fff;
}

.site-header--over-hero .site-header__burger:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

/* ============================================================
   TABLET & MOBIL — burger menu
============================================================ */

@media (max-width: 1024px) {

  .site-header__inner {
    gap: var(--space-md);
  }

  /* CTA flyttes fra headerbjælken ind i menupanelet */
  .site-header__cta {
    display: none;
  }

  .site-header__burger {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav__cta {
    display: block;
    padding: var(--space-sm) var(--space-xs) var(--space-xs);
    margin-top: var(--space-xs);
    border-top: 0.5px solid var(--color-border);
  }

  .site-nav__cta .btn {
    width: 100%;
  }

  /* Panelet har lys baggrund — nulstil over-hero hvid knapstil */
  .site-header--over-hero .site-nav__cta .btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);
  }

  .site-header--over-hero .site-nav__cta .btn--primary:hover {
    background-color: var(--color-primary-hover);
  }

  /* Mobilpanel — floating kort under headeren */
  .site-nav {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 0;
    right: 0;
    flex: none;
    background-color: var(--color-bg-card);
    border: 0.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--space-sm);
    max-height: calc(100vh - var(--topnav-height) - 3 * var(--space-sm) - var(--space-md));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(calc(-1 * var(--space-sm)));
    transition: opacity var(--duration-base) var(--easing-out),
                transform var(--duration-base) var(--easing-out),
                visibility var(--duration-base) var(--easing-out);
  }

  .site-header--menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    display: flex;
    width: 100%;
    padding: var(--space-sm-plus) var(--space-md);
    font-size: var(--font-size-body);
  }

  /* Panelet har altid lys baggrund — nulstil over-hero hvid tekst */
  .site-header--over-hero .site-nav__link {
    color: var(--color-text-secondary);
    text-shadow: none;
  }

  .site-header--over-hero .site-nav__link:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-section);
  }

  .site-header--over-hero .site-nav__link[aria-current="page"] {
    color: var(--color-primary);
    background-color: var(--color-success-bg);
  }

  /* Dropdown vises altid udfoldet som indrykket undermenu */
  .site-nav__chevron {
    display: none;
  }

  .site-nav__dropdown {
    display: flex;
    position: static;
    min-width: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background-color: transparent;
    padding: 0 0 var(--space-xs) var(--space-md);
  }

  .site-nav__dropdown a {
    padding: var(--space-sm) var(--space-md);
  }
}