/*
 * Alf Theme — Header / Navigation
 *
 * Floating nav pill: white, border-radius xl, shadow, fixed at top.
 * Width: --section-max-width, centered at 1440px viewport.
 * Desktop nav items: --font-body, body-md Regular.
 */

/* ── Cross-document View Transitions (Chrome 126+) ──────────────── */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.18s;
  animation-timing-function: ease;
}

::view-transition-old(site-header),
::view-transition-new(site-header) {
  animation-duration: 0.18s;
  animation-timing-function: ease;
}

/* ── Site Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px var(--section-pad-desktop);
  pointer-events: none;
  transform: translateZ(0);
  will-change: transform;
  view-transition-name: site-header;
}

/* ── Nav Pill ────────────────────────────────────────────────────── */
.site-header__pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--section-max-width);
  padding: 0 26px;
  height: 70px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-nav);
  pointer-events: all;
  transition: box-shadow var(--transition-normal), padding var(--transition-normal);
}

.site-header--sticky .site-header__pill {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

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

.site-logo__img {
  height: 50px;
  width: auto;
}

/* ── Primary Navigation ──────────────────────────────────────────── */
.primary-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav__list a {
  display: block;
  padding: 8px 14px;
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  /* border-radius: var(--radius-md); */
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
}

.primary-nav__list a:hover,
.primary-nav__list .current-menu-item>a,
.primary-nav__list .current-page-ancestor>a {
  color: var(--color-primary);
  background-color: var(--color-light-grey);
}

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

/* ── Overlay mode — header floats transparent over dark hero ─────── */
/*
 * Figma node 699:1909: full-width transparent bar, px-60 py-20.
 * No pill shape. White Semi Bold nav text. Active = solid red, square.
 */

/* Remove outer header padding so pill fills the full viewport width */
.site-header--overlay {
  padding: 0;
}

/* Strip all pill decoration — flat transparent bar matching Figma */
.site-header--overlay .site-header__pill {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 20px 60px;
  height: auto;
  max-width: 100%;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

/* Mobile: reduce side padding so the pill fits ─────────────── */
@media (max-width: 900px) {
  .site-header--overlay .site-header__pill {
    padding: 16px 24px;
  }
}

@media (max-width: 480px) {
  .site-header--overlay .site-header__pill {
    padding: 12px 16px;
  }

}

/* Nav sits on the right side of the bar (logo left, nav right) */
.site-header--overlay .primary-nav {
  justify-content: flex-end;
}

/* White Semi Bold text on all nav links */
.site-header--overlay .primary-nav__list>li>a {
  color: var(--color-bg);
  font-weight: 600;
  font-size: 16px;
  padding: 8px 16px;
  border-radius: 0;
}

/* Hover: subtle red tint (non-active items only) */
.site-header--overlay .primary-nav__list>li>a:hover {
  background-color: rgba(205, 38, 29, 0.2);
  color: var(--color-bg);
}

/* Active page: solid red only for the exact current page */
.site-header--overlay .primary-nav__list .current-menu-item>a {
  background-color: #CD261D;
  color: var(--color-bg);
  border-radius: 0;
}

.site-header--overlay .primary-nav__list .current-menu-item>a:hover {
  background-color: #CD261D;
  color: var(--color-bg);
}

/* Ancestor items (parent section): subtle tint — not current page */
.site-header--overlay .primary-nav__list .current-menu-parent>a,
.site-header--overlay .primary-nav__list .current-menu-ancestor>a,
.site-header--overlay .primary-nav__list .current-page-ancestor>a {
  background-color: rgba(205, 38, 29, 0.18);
  color: var(--color-bg);
  border-radius: 0;
}

.site-header--overlay .primary-nav__list .current-menu-parent>a:hover,
.site-header--overlay .primary-nav__list .current-menu-ancestor>a:hover,
.site-header--overlay .primary-nav__list .current-page-ancestor>a:hover {
  background-color: rgba(205, 38, 29, 0.3);
  color: var(--color-bg);
}

/* Cancel overlay active styles bleeding into ALL dropdown items */
.site-header--overlay .primary-nav__list .nav-dropdown__item>a,
.site-header--overlay .primary-nav__list .nav-dropdown__item>a:hover {
  background-color: transparent;
  color: inherit;
  border-radius: 0;
}

/* Hide desktop CTA button — CONTACT is a nav link in this design */
.site-header--overlay .site-header__cta {
  display: none;
}

/* Scroll past hero: darken the bar */
.site-header--overlay.site-header--sticky .site-header__pill {
  background: rgba(37, 37, 37, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

/* ── Mobile toggle — exact Figma 545:190 size 32×32 ───────────────── */
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 0;
  cursor: pointer;
  background: none;
  border: none;
  flex-shrink: 0;
  padding: 0;
}

.mobile-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Drawer header (mobile only) ─────────────────────────────────── */
.primary-nav__drawer-header {
  display: none;
}

.primary-nav__mobile-actions {
  display: none;
}

.primary-nav__close {
  display: none;
}

/* ── Nav overlay (mobile) ────────────────────────────────────────── */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 28, 61, 0.5);
  z-index: calc(var(--z-header) - 1);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .site-header {
    padding: 16px var(--section-pad-tab-landscape);
  }
}

@media (max-width: 900px) {

  /* Show hamburger, hide desktop nav items & CTA */
  .mobile-toggle {
    display: flex;
  }

  .site-header__cta {
    display: none;
  }

  /* Nav drawer — positioned at right:0, hidden via transform */
  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100dvh;
    background: var(--color-dark, #252525);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    z-index: var(--z-header);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    visibility: hidden;
    /* also prevents focus-trap when closed */
  }

  .primary-nav--open {
    transform: translateX(0);
    visibility: visible;
  }

  .primary-nav__drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .primary-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: none;
    border: none;
  }

  .primary-nav__close img {
    filter: brightness(0) invert(1);
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 12px;
  }

  .primary-nav__list a {
    padding: 12px 16px;
    font-size: var(--font-size-body-md);
    color: var(--color-bg);
  }

  .primary-nav__mobile-actions {
    display: flex;
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .primary-nav__mobile-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Overlay */
  .nav-overlay {
    display: block;
    pointer-events: none;
  }

  body.nav-open .nav-overlay {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 480px) {

  /* Figma 545:190: pt-32 pb-16 px-16, logo 46×44, hamburger 32×32 */
  .site-header {
    padding: 0;
  }

  .site-header__pill {
    padding: 32px 16px 16px;
    height: auto;
    border-radius: 0;
    box-shadow: none;
    background: var(--color-bg);
  }

  .site-logo__img {
    width: 46px;
    height: 44px;
  }

  body {
    padding-top: 84px;
  }
}

/* ── Nav Dropdown card — Figma 1103:1596 ─────────────────────────────────── */

/* Chevron SVG inline inside the parent link */
.nav-chevron {
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-left: 4px;
  vertical-align: middle;
  flex-shrink: 0;
  transition: transform var(--transition-normal, 0.25s ease);
  cursor: pointer;
}

/* Rotate when dropdown is open (hover or mobile .nav-sub--open) */
.menu-item-has-children:hover>a .nav-chevron,
.menu-item-has-children:focus-within>a .nav-chevron,
.menu-item-has-children.nav-sub--open>a .nav-chevron {
  transform: rotate(180deg);
}

/* Dropdown card — desktop */
@media (min-width: 901px) {
  .primary-nav__list>.menu-item-has-children {
    position: relative;
  }

  /* Invisible bridge between the nav link and the dropdown card.
     Without this the 12px gap causes the dropdown to close when
     the cursor moves from the link toward the card. */
  .primary-nav__list>.menu-item-has-children::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 14px;
    /* must be ≥ the gap set on .nav-dropdown top */
  }

  .nav-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    width: 396px;
    background: var(--color-bg, #F8FAF0);
    border: 1px solid var(--color-grey, #ABABAB);
    border-radius: var(--radius-xl, 16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0s linear 0.2s;
    z-index: calc(var(--z-header, 100) + 10);
  }

  .menu-item-has-children:hover>.nav-dropdown,
  .menu-item-has-children:focus-within>.nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0s linear 0s;
  }

  .nav-dropdown__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-dropdown__item>a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 24px 32px;
    text-decoration: none;
    border-bottom: 1px solid var(--color-grey, #ABABAB);
  }

  .nav-dropdown__item:last-child>a {
    border-bottom: none;
  }

  .nav-dropdown__label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark, #252525);
    line-height: 1;
    white-space: nowrap;
    transition: color 0.2s ease;
  }

  .nav-dropdown__item>a:hover .nav-dropdown__label,
  .nav-dropdown__item>a:focus-visible .nav-dropdown__label,
  .nav-dropdown__item.current-menu-item>a .nav-dropdown__label {
    color: var(--color-accent, #CD261D);
  }

  /* Cancel the background-color that the general nav active rule bleeds in */
  .nav-dropdown__item>a:hover,
  .nav-dropdown__item.current-menu-item>a,
  .nav-dropdown__item.current-page-ancestor>a {
    background-color: transparent;
    color: inherit;
  }

  .nav-dropdown__desc {
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: var(--color-grey, #ABABAB);
    line-height: 1;
    white-space: nowrap;
  }
}

/* Dropdown — mobile (inline in drawer) */
@media (max-width: 900px) {
  .nav-dropdown {
    display: none;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg, 14px);
    margin: 0 12px 8px;
    overflow: hidden;
  }

  .menu-item-has-children.nav-sub--open>.nav-dropdown {
    display: block;
  }

  .nav-dropdown__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-dropdown__item>a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 20px;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-dropdown__item:last-child>a {
    border-bottom: none;
  }

  .nav-dropdown__label {
    display: block;
    font-size: var(--font-size-body-md, 16px);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-bg, #F8FAF0);
    line-height: 1;
  }

  .nav-dropdown__desc {
    display: block;
    font-size: 14px;
    font-weight: var(--font-weight-regular, 400);
    color: rgba(248, 250, 240, 0.6);
    line-height: 1;
  }

  /* Active child item in mobile dropdown — red label */
  .nav-dropdown__item.current-menu-item>a .nav-dropdown__label,
  .nav-dropdown__item.current-page-ancestor>a .nav-dropdown__label {
    color: var(--color-primary, #CD261D);
  }
}