/* ==========================================================
   SIDEKOM | Header, navigation, language picker, mobile menu
   ========================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  isolation: isolate;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
/* The blurred background lives on a pseudo-element on purpose:
   putting backdrop-filter on the header itself would break the fixed mobile menu. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px -22px rgba(0, 26, 74, 0.5);
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-height);
}

/* The logo is a wide wordmark (about 4.3 : 1), so it is sized by its height */
.brand { display: inline-flex; flex: 0 1 auto; min-width: 0; }
.brand picture { display: contents; }
.site-header .brand img { height: 46px; width: auto; max-width: 100%; object-fit: contain; }

/* ---------- Main navigation ---------- */

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-inline-start: auto;
}
.site-nav__list { display: flex; gap: 4px; }
.site-nav__list a {
  position: relative;
  display: block;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--navy-700);
  font-size: 0.94rem;
  font-weight: 600;
  transition: background-color 0.18s, color 0.18s;
}
.site-nav__list a:hover { background: var(--navy-50); }
.site-nav__list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  inset-inline: 14px;
  bottom: 3px;
  height: 3px;
  border-radius: 3px;
  background: var(--gold-500);
}
.site-nav__actions { display: flex; align-items: center; gap: 10px; }
.site-nav__cta { padding: 12px 22px; font-size: 0.9rem; }

/* "Book an appointment": a round calendar button on large screens (the text stays for screen readers),
   a full button with text inside the mobile menu */
.site-nav__book { width: 46px; height: 46px; padding: 0; }
.site-nav__book-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Medium desktops: tighten the menu so the wide logo, the links and the buttons fit on one line */
@media (min-width: 1061px) and (max-width: 1280px) {
  .site-header__bar { gap: 16px; }
  .site-header .brand img { height: 44px; }
  .site-nav { gap: 12px; }
  .site-nav__list { gap: 0; }
  .site-nav__list a { padding: 10px 9px; font-size: 0.88rem; }
  .site-nav__list a[aria-current="page"]::after { inset-inline: 9px; }
  .site-nav__actions { gap: 8px; }
  .site-nav__cta { padding: 11px 16px; font-size: 0.85rem; }
  .site-nav__book { width: 42px; height: 42px; }
  .language-picker__button { padding: 9px 11px; gap: 6px; }
}

.site-header__tools { display: flex; align-items: center; gap: 10px; }

/* ---------- Language picker ---------- */

.language-picker { position: relative; }

.language-picker__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy-700);
  font: 700 0.85rem/1 var(--font-body);
  cursor: pointer;
  transition: border-color 0.18s, background-color 0.18s;
}
.language-picker__button:hover { border-color: var(--navy-200); background: var(--navy-50); }
.language-picker__chevron { transition: transform 0.2s; }
.language-picker__button[aria-expanded="true"] .language-picker__chevron { transform: rotate(180deg); }

.language-picker__list {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 10px);
  z-index: 20;
  min-width: 200px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
}
.language-picker__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
}
.language-picker__option:hover,
.language-picker__option:focus-visible { background: var(--navy-50); outline: none; }
.language-picker__option .icon { visibility: hidden; color: var(--gold-600); }
.language-picker__option[aria-selected="true"] { color: var(--navy-700); }
.language-picker__option[aria-selected="true"] .icon { visibility: visible; }

/* ---------- Mobile menu button (three bars that turn into an X) ---------- */

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
}
.menu-toggle__bars,
.menu-toggle__bars::before,
.menu-toggle__bars::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-700);
  transition: transform 0.2s, background-color 0.2s;
}
.menu-toggle__bars { position: relative; }
.menu-toggle__bars::before,
.menu-toggle__bars::after { content: ""; position: absolute; inset-inline-start: 0; }
.menu-toggle__bars::before { top: -6px; }
.menu-toggle__bars::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1060px) {
  .menu-toggle { display: grid; }
  .site-header__tools { margin-inline-start: auto; }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    margin: 0;
    padding: 20px var(--gutter) 48px;
    overflow-y: auto;
    background: var(--white);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .site-nav__list { flex-direction: column; gap: 0; }
  .site-nav__list a {
    padding: 18px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.1rem;
  }
  .site-nav__list a:hover { background: transparent; }
  .site-nav__list a[aria-current="page"]::after { inset-inline: 4px; bottom: -1px; }
  .site-nav__actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .site-nav__cta { padding: 16px 24px; font-size: 1rem; }
  .site-nav__book { order: 1; width: auto; height: auto; padding: 14px 24px; font-size: 1rem; }
  .site-nav__book-label { position: static; width: auto; height: auto; overflow: visible; clip-path: none; white-space: normal; }
}

/* Phones: smaller logo and a compact language button so everything fits from 320px wide */
@media (max-width: 600px) {
  .site-header__bar { gap: 12px; }
  .site-header .brand img { height: 40px; }
}
@media (max-width: 420px) {
  .site-header .brand img { height: 38px; }
  .site-header__tools { gap: 8px; }
  .language-picker__button { padding: 9px 10px; gap: 6px; }
  .language-picker__chevron { display: none; }
}

body.menu-open { overflow: hidden; }