/**************************************************
  HEADER — CSG × r p. solar
  - Panel can be wider than text WITHOUT moving text alignment
**************************************************/

/* =========================
   HEADER BASE
   ========================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
  background: var(--color-white);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-bar .site-header {
  top: 32px;
}
.site-header.transparent-header {
  background: transparent;
}
.site-header.solid-header {
  background: var(--color-white);
}

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

.logo img {
  display: block;
  height: 60px;
  width: auto;
  filter: none;
}

/* =========================
   HEADER LAYOUT (DESKTOP)
   ========================= */

.nav-container {
  display: flex;
  margin-left: auto;
}

.menu-container {
  display: flex;
  gap: clamp(0.75rem, 2.5vw, 1.5rem);
  align-items: center;
}

/**** 
        MENU
****/
.primary-nav .menu-group {
  display: flex;
  flex-direction: row;
  gap: clamp(0.75rem, 2.5vw, 1.5rem);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Top-level items */
.primary-nav .menu-group > li {
  position: relative; /* anchor for dropdown */
  display: flex;
  align-items: center;
}

.primary-nav .menu-group > li > a {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  padding: 0.4rem 0;
  /* padding: 1rem 0 0.1rem 0; */
}

/* Disable hover/click styling for "parents" like Our work */
.primary-nav .menu-group > li.menu-item-has-children > a {
  pointer-events: none; /* not clickable */
}

/** 
    DROPDOWN
**/

@media (min-width: 731px) {
  /* Hidden state: NO transition -> instant exit */
  .primary-nav .menu-group .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    list-style: none;
    opacity: 0;
    /* transition: none; */
  }

  /* Visible state: animate IN only */
  .primary-nav .menu-group li:hover > .sub-menu,
  .primary-nav .menu-group li:focus-within > .sub-menu {
    display: inline-block;
    width: max-content;
    white-space: nowrap;

    opacity: 1;
    transform: translateY(0);
    transition:
      all 0.6s cubic-bezier(0.4, 0, 0.2, 1),
  }

  /** 
      SUB MENU
  **/
  .primary-nav .menu-group .sub-menu {
    padding: 0 0.5rem 0.4rem 0.6rem;
    margin-left: -0.6rem;
  }

  /* Shrink-wrap behaviour on the winning selector */
  .primary-nav .menu-group li:hover > .sub-menu,
  .primary-nav .menu-group li:focus-within > .sub-menu {
    display: inline-block;
    width: max-content;
    white-space: nowrap;

    opacity: 1;
  }

  /* Submenu links (single line) */
  .primary-nav .menu-group .sub-menu > li,
  .primary-nav .menu-group .sub-menu > li > a {
    width: auto;
    display: block;
    margin-top: 0.4rem;
    white-space: nowrap;
    line-height: 1rem;
  }

  /* Panel colour ONLY when header is SOLID and submenu is open */
  .site-header.solid-header .primary-nav .menu-group li:hover > .sub-menu,
  .site-header.solid-header
    .primary-nav
    .menu-group
    li:focus-within
    > .sub-menu {
    background: rgba(250, 250, 250, 1);

    /* Glass feel */
    backdrop-filter: blur(0.8px);
    -webkit-backdrop-filter: blur(0.8px);
  }

  /* Transparent header: submenu text readable */
  .site-header.transparent-header .primary-nav .menu-group .sub-menu > li > a {
    color: var(--color-white);
  }

  /* Hover colour inside dropdown */
  .site-header.transparent-header
    .primary-nav
    .menu-group
    .sub-menu
    > li
    > a:hover,
  .site-header.solid-header .primary-nav .menu-group .sub-menu > li > a:hover {
    color: var(--color-orange);
  }

  /* Optional: safe hover gap so menu doesn't close when moving down */
  .primary-nav .menu-group .sub-menu::before {
    content: "";
    position: absolute;
    top: -0.6rem;
    left: 0;
    right: 0;
    height: 0.6rem;
  }
}

/**** 
        UTILITY NAV
****/

.utility-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.5vw, 1rem);
}

.nav-lang {
  padding: 0 3px;
  text-decoration: none;
  display: inline-block;
}

.nav-search {
  display: inline-flex;
  align-items: center;
  position: relative;
  top: 2.5px;
}

.nav-search svg {
  display: block;
  width: 21px;
  height: 21px;
}

.nav-search svg circle,
.nav-search svg path {
  stroke: currentColor;
  fill: none;
  stroke-width: 3px;
}

/* =========================
   BURGER (BASE)
   ========================= */

.menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 25px;
  background: var(--color-black);
  margin: 3px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

/* =========================
   HEADER COLOR STATES
   ========================= */

.site-header.transparent-header .menu-container a,
.site-header.transparent-header .utility-nav a,
.site-header.transparent-header .nav-lang,
.site-header.transparent-header .nav-donate {
  color: var(--color-white);
}

.site-header.transparent-header .logo img {
  filter: brightness(0) invert(1);
}

.site-header.transparent-header .hamburger span {
  background: var(--color-white);
}

.site-header.solid-header .menu-container a,
.site-header.solid-header .utility-nav a,
.site-header.solid-header .nav-lang,
.site-header.solid-header .nav-donate {
  color: var(--color-black);
}

.site-header.solid-header .logo img {
  filter: none;
}

.site-header.solid-header .hamburger span {
  background: var(--color-black);
}

.site-header.transparent-header .link-hover a:hover,
.site-header.transparent-header .link-hover a:focus-visible,
.site-header.solid-header .link-hover a:hover,
.site-header.solid-header .link-hover a:focus-visible {
  color: var(--color-orange);
}

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

@media (max-width: 1010px) {
  .site-header {
    justify-content: space-between;
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
    background: var(--color-white);
    box-shadow: none;
  }

  .logo img {
    height: 48px;
    filter: none;
  }

  .hamburger {
    display: flex;
  }

  .site-header.transparent-header,
  .site-header.solid-header {
    background: var(--color-white);
  }

  .site-header.transparent-header .menu-container a,
  .site-header.transparent-header .utility-nav a,
  .site-header.transparent-header .nav-lang,
  .site-header.transparent-header .nav-donate,
  .site-header.solid-header .menu-container a,
  .site-header.solid-header .utility-nav a,
  .site-header.solid-header .nav-lang,
  .site-header.solid-header .nav-donate {
    color: var(--color-black);
  }

  .site-header.transparent-header .logo img,
  .site-header.solid-header .logo img {
    filter: none;
  }

  .site-header.transparent-header .hamburger span,
  .site-header.solid-header .hamburger span {
    background: var(--color-black);
  }

  /* FULLSCREEN OVERLAY BELOW HEADER */
  .nav-container {
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    display: none;
    background: var(--color-white);
    z-index: 90;
  }

  .menu-toggle:checked + .hamburger + .nav-container {
    display: flex;
  }

  .nav-container .menu-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem var(--gap-x) 2rem;
    position: relative;
    gap: 2rem;
    align-items: flex-start;
  }

  .utility-nav {
    order: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    margin-top: 2.5rem;
  }

  .nav-search {
    position: static;
    top: 0;
    text-decoration: none;
    width: 100%;
    max-width: 360px;
    margin: 0;
    display: block;
    text-align: left;
    border-bottom: 1px solid #141414;
    padding-bottom: 0.5rem;
  }

  .nav-search svg {
    display: none;
  }

  .nav-search::before {
    content: "Search";
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .primary-nav {
    order: 2;
    width: 100%;
    max-width: 360px;
  }

  .primary-nav .menu-group {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: flex-start;
    text-align: left;
    width: 100%;
  }

  .primary-nav .menu-group li,
  .primary-nav .menu-group li a {
    width: 100%;
  }

  .primary-nav .menu-group li a {
    display: block;
    font-size: 32px;
    line-height: 1.1;
    text-decoration: none;
  }

  /* Mobile: keep submenus hidden */
  .primary-nav .menu-group .sub-menu {
    display: none;
    position: static;
    margin-top: 0.5rem;
    padding: 0.25rem 0 0.75rem 0.75rem;
    width: 100%;
    min-width: 0;
    box-shadow: none;
    background: transparent;
    border-radius: 0;
    white-space: normal;
  }

  .primary-nav .menu-group .sub-menu a {
    padding: 0.35rem 0;
    font-size: 18px;
    line-height: 1.2;
    color: var(--color-black);
  }

  .nav-donate {
    display: none;
  }

  .menu-toggle:checked + .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .menu-toggle:checked + .hamburger span:nth-child(2) {
    transform: translateX(30px);
    opacity: 0;
  }

  .menu-toggle:checked + .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}