/* ==========================================================================
   Site header
   ========================================================================== */
.site-header{
  position: sticky; top: 0; z-index: 210;
  background: oklch(100% 0 0 / 0.92);
  border-bottom: 1px solid var(--border);
  transition: padding var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
@supports (backdrop-filter: blur(1px)){
  .site-header{ backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
}
.site-header.is-compact{ box-shadow: var(--shadow-sm); }
.header-inner{
  max-width: var(--container);
  margin-inline: auto;
  padding: 1.25rem clamp(1.25rem, 1rem + 2vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 2vw, 2.5rem);
  transition: padding var(--dur-base) var(--ease-out);
}
.site-header.is-compact .header-inner{ padding-block: 0.7rem; }

.site-branding{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 0 0 auto;
}
.site-branding .brand-mark{
  width: 42px; height: 42px; flex: 0 0 auto;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header.is-compact .brand-mark{ width: 34px; height: 34px; font-size: 0.9rem; }
.brand-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--primary-ink);
  line-height: 1.2;
}
.brand-name small{ display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }

.header-actions{ display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }

/* Primary nav (desktop) */
.nav-menu{ display: flex; align-items: center; gap: clamp(1.1rem, 1.6vw, 2rem); }
.nav-menu li{ position: relative; }
.nav-menu > li > a{
  font-weight: 600;
  font-size: 0.975rem;
  color: var(--text);
  padding: 0.5rem 0.1rem;
  position: relative;
}
.nav-menu > li > a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--accent-ink);
  transition: right var(--dur-base) var(--ease-out);
}
.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after{ right: 0; }

/* Dropdown submenu (desktop hover) */
.nav-menu .sub-menu{
  display: block;
  position: absolute; top: 100%; left: 50%;
  min-width: 260px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  z-index: 10;
}
.nav-menu > li:hover > .sub-menu,
.nav-menu > li:focus-within > .sub-menu{
  opacity: 1; pointer-events: auto; transform: translate(-50%, 4px);
}
.nav-menu .sub-menu li a{
  display: block; padding: 0.65rem 0.9rem; border-radius: var(--radius);
  font-weight: 500; font-size: 0.925rem; color: var(--text);
}
.nav-menu .sub-menu li a:hover{ background: var(--bg-subtle); color: var(--primary); }

.header-phone{
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.925rem; color: var(--primary-ink);
}

.menu-toggle{
  display: none;
  background: none; border: none; padding: 0.4rem;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
}
.menu-toggle__box{
  position: relative;
  display: inline-block;
  width: 24px; height: 18px;
}
.menu-toggle__box span{
  position: absolute; left: 0; width: 100%; height: 2px;
  background: var(--primary-ink); border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out), top var(--dur-base) var(--ease-out);
}
.menu-toggle__box span:nth-child(1){ top: 0; }
.menu-toggle__box span:nth-child(2){ top: 8px; }
.menu-toggle__box span:nth-child(3){ top: 16px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__box span:nth-child(1){ top: 8px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__box span:nth-child(2){ opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__box span:nth-child(3){ top: 8px; transform: rotate(-45deg); }

/* Mobile drawer: sibling of <header>, not a child.
   Sits BELOW the sticky header (padding-top = measured header height, set by
   main.js via --header-h) so the header's burger toggle stays visible and
   clickable above the drawer at all times — closing it needs no separate
   button nested inside the drawer's own stacking context. */
.mobile-drawer{
  position: fixed; inset: 0 0 0 0;
  background: #fff;
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
  overflow-y: auto;
  padding-top: var(--header-h, 78px);
}
.mobile-drawer.is-open{ transform: translateX(0); }
.mobile-nav-list{
  display: flex; flex-direction: column;
  padding: 1rem clamp(1.25rem, 1rem + 2vw, 2.5rem) 2rem;
  border-top: 1px solid var(--border);
}
.mobile-nav-list > li{ border-bottom: 1px solid var(--border); }
.mobile-nav-list > li > a{
  display: block; padding: 1.1rem 0.1rem;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; color: var(--primary-ink);
}
.mobile-nav-list .sub-menu{ padding-bottom: 0.75rem; display: block; position: static; opacity: 1; pointer-events: auto; transform: none; box-shadow: none; border: none; }
.mobile-nav-list .sub-menu li a{ padding: 0.6rem 0.1rem 0.6rem 1rem; font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.mobile-drawer__cta{ margin-top: auto; padding: 1.5rem clamp(1.25rem, 1rem + 2vw, 2.5rem) 2rem; display: flex; flex-direction: column; gap: 0.9rem; }

.drawer-overlay{
  position: fixed; inset: 0; background: oklch(20% 0.02 240 / 0.4);
  z-index: 190; opacity: 0; pointer-events: none; transition: opacity var(--dur-base) var(--ease-out);
}
.drawer-overlay.is-open{ opacity: 1; pointer-events: auto; }

@media (max-width: 1080px){
  .nav-menu, .header-phone{ display: none !important; }
  .header-actions .btn--primary{ display: none !important; }
  .menu-toggle{ display: flex !important; }
  .menu-toggle__box{ display: inline-block !important; }

  /* reset desktop hover-dropdown specificity so it never affects mobile drawer taps */
  .nav-menu > li:hover > .sub-menu,
  .nav-menu > li:focus-within > .sub-menu{ transform: none; position: static; }
}

@media (min-width: 1081px){
  .mobile-drawer, .drawer-overlay, .menu-toggle{ display: none !important; }
}