/* Header — den-tora navbar: logo left, links/actions right.
   Transparent over the hero. Once you scroll it turns into a full-width frosted-glass
   bar pinned to the top (cream tint + blur + hairline) and stays visible while
   scrolling. The menu opens a navy panel (assets/js/header.js). */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 12px var(--gutter);
  color: var(--cream);
  border-bottom: 1px solid transparent;
  transition: background-color .4s ease, padding .4s cubic-bezier(.16, 1, .3, 1), border-color .4s ease, box-shadow .4s ease, color .35s ease;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
          backdrop-filter: blur(20px) saturate(1.6);
  opacity: 0;
  transition: opacity .4s ease;
}
.site-header__bar {
  max-width: var(--wrap);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-header.is-scrolled {
  padding-block: 8px;
  background: rgba(255, 255, 255, .72);
  border-bottom-color: rgba(11, 41, 93, .08);
  box-shadow: 0 12px 32px -24px rgba(var(--shadow-tint), .45);
  color: var(--navy);
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header.menu-open { background: transparent; border-bottom-color: transparent; box-shadow: none; color: var(--cream); }
.site-header.menu-open::before { opacity: 0; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}
.brand img { width: 40px; height: 34px; object-fit: contain; }
.brand__name { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name strong { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.brand__name small { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; opacity: .75; }

.site-header__actions { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 16px;
  border: 0;
  border-radius: 32px;
  background: #fff;
  color: var(--navy);
  font: 400 14px/20px var(--font);
  cursor: pointer;
  box-shadow: 0 6px 20px -12px rgba(var(--shadow-tint), .4);
  transition: transform .25s cubic-bezier(.23, 1, .32, 1);
}
.menu-btn:active { transform: scale(.96); }
.menu-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.menu-btn__icon { position: relative; width: 18px; height: 12px; }
.menu-btn__icon::before,
.menu-btn__icon::after,
.menu-btn__icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .35s cubic-bezier(.16, 1, .3, 1), opacity .2s ease;
}
.menu-btn__icon::before { top: 0; }
.menu-btn__icon span { top: 5.2px; }
.menu-btn__icon::after { bottom: 0; }
.menu-btn[aria-expanded="true"] .menu-btn__icon::before { transform: translateY(5.2px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__icon span { opacity: 0; }
.menu-btn[aria-expanded="true"] .menu-btn__icon::after { transform: translateY(-5.2px) rotate(-45deg); }

/* Menu panel — wipes down from the top */
.menu-panel {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: flex-end;
  padding: 120px var(--gutter) 48px;
  background: var(--navy);
  color: var(--cream);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path .7s cubic-bezier(.76, 0, .24, 1), visibility 0s linear .7s;
}
.menu-panel.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path .7s cubic-bezier(.76, 0, .24, 1);
}
.menu-panel__inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
.menu-panel__nav { display: flex; flex-direction: column; }
.menu-panel__nav a {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 6px 0;
  color: var(--cream);
  text-decoration: none;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .4s ease, transform .6s cubic-bezier(.16, 1, .3, 1), color .25s ease;
}
.menu-panel__nav a small { font-size: 13px; letter-spacing: 0; color: var(--gold); }
.menu-panel__nav a:hover,
.menu-panel__nav a:focus-visible,
.menu-panel__nav a[aria-current] { color: var(--gold); outline: none; }
.menu-panel.is-open .menu-panel__nav a {
  opacity: 1;
  transform: none;
  transition-delay: calc(.25s + var(--i) * 50ms);
}
.menu-panel__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  font-size: 15px;
  line-height: 1.6;
  opacity: 0;
  transition: opacity .4s ease;
}
.menu-panel.is-open .menu-panel__side { opacity: 1; transition-delay: .5s; }
.menu-panel__side a { color: var(--cream); }
.menu-panel__side p { margin: 0; }
.menu-panel__side .muted { opacity: .7; }

/* Desktop nav — inline links (≥1100px); the Menu pill takes over below that */
.site-nav { display: none; }
@media (min-width: 1100px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(253, 247, 235, .1);
    border: 1px solid rgba(253, 247, 235, .16);
    -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
    transition: background-color .35s ease, border-color .35s ease;
  }
  .site-header.is-scrolled .site-nav { background: rgba(11, 41, 93, .04); border-color: rgba(11, 41, 93, .08); }
  .site-nav a {
    position: relative;
    padding: 9px 16px;
    border-radius: 999px;
    color: inherit;
    font-size: 14px;
    line-height: 20px;
    text-decoration: none;
    opacity: .86;
    transition: background-color .25s ease, opacity .25s ease;
  }
  .site-nav a:hover { opacity: 1; background: rgba(253, 247, 235, .14); }
  .site-header.is-scrolled .site-nav a:hover { background: rgba(11, 41, 93, .07); }
  .site-nav a[aria-current] { opacity: 1; background: rgba(253, 247, 235, .18); }
  .site-header.is-scrolled .site-nav a[aria-current] { background: rgba(11, 41, 93, .08); }
  .site-nav a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
  .menu-btn { display: none; }
}

@media (max-width: 809.98px) {
  .site-header__actions .book-pill { display: none; }
  .brand__name small { display: none; }
  .menu-panel__inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .menu-panel, .menu-panel.is-open { transition: none; }
}

/* skip link: first tab stop on every page, visible only when focused */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream);
  font: 500 14px/20px var(--font);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus-visible { transform: none; outline: 2px solid var(--gold); outline-offset: 2px; }
#main:focus { outline: none; }
/* tabbing never lands a focused element under the fixed header */
html { scroll-padding-top: 96px; }

/* ---------- Treatments dropdown (client round, 2026-10-26; reference: the original site's
   Services menu). A white card under "Treatments" and its chevron: the four categories split by hairlines;
   General and Cosmetic expand in place with "+". Opens on hover (fine pointers) or with the
   "+" button (keyboard/touch); Esc closes it. Logic: header.js. No backdrop blur (low-RAM rule). */
.nav-dd { position: relative; display: flex; align-items: center; }
.nav-dd > a { padding-right: 6px !important; }
.nav-dd__btn,
.nav-dd__toggle {
  display: grid;
  place-items: center;
  flex: none;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}
.nav-dd__btn { width: 28px; height: 28px; margin: 0 6px 0 -4px; border-radius: 50%; color: inherit; opacity: .8; }
.nav-dd__btn svg { width: 13px; height: 13px; stroke-width: 1.6; }
.nav-dd__btn svg,
.nav-dd__toggle svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  transition: rotate .3s cubic-bezier(.16, 1, .3, 1);
}
/* header item: a chevron that turns over; sub-lists: + turns into × */
.nav-dd.is-open .nav-dd__btn svg { rotate: 180deg; }
.nav-dd__toggle[aria-expanded="true"] svg { rotate: 45deg; }
.nav-dd__btn:focus-visible,
.nav-dd__toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.nav-dd__panel {
  position: absolute;
  top: 100%;
  left: -8px;
  z-index: 2;
  width: 288px;
  padding-top: 14px;          /* hover bridge between the pill and the card */
  opacity: 0;
  visibility: hidden;
  translate: 0 6px;
  transition: opacity .18s ease, translate .25s cubic-bezier(.16, 1, .3, 1), visibility 0s linear .25s;
}
.nav-dd.is-open .nav-dd__panel {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
  transition: opacity .18s ease, translate .25s cubic-bezier(.16, 1, .3, 1), visibility 0s;
}
.nav-dd__list {
  margin: 0;
  padding: 6px 18px;
  list-style: none;
  border-radius: 14px;
  background: #fff;
  color: var(--navy);
  box-shadow: 0 1px 0 rgba(11, 41, 93, .04), 0 24px 48px -20px rgba(var(--shadow-tint), .45);
}
.nav-dd__cat + .nav-dd__cat { border-top: 1px solid rgba(11, 41, 93, .14); }
.nav-dd__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.site-nav .nav-dd__panel a {
  display: block;
  padding: 14px 0;
  border-radius: 0;
  background: none;
  color: var(--navy);
  font-size: 15px;
  line-height: 20px;
  opacity: 1;
  transition: color .2s ease;
}
.site-nav .nav-dd__panel a:hover,
.site-nav .nav-dd__panel a[aria-current] { background: none; color: var(--gold-ink); }
.nav-dd__toggle { width: 32px; height: 32px; margin-right: -8px; border-radius: 50%; color: var(--navy); }
.nav-dd__toggle:hover { color: var(--gold-ink); }
/* sub-list: collapses to 0 rows, opens to its height */
.nav-dd__sub {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s cubic-bezier(.16, 1, .3, 1);
}
.nav-dd__sub.is-open { grid-template-rows: 1fr; }
.nav-dd__sub ul { min-height: 0; overflow: hidden; margin: 0; padding: 0; list-style: none; }
.nav-dd__sub:not(.is-open) ul { visibility: hidden; }
.site-nav .nav-dd__sub a { padding: 7px 0 7px 14px; font-size: 14px; color: var(--ink-soft); }
.nav-dd__sub li:last-child a { margin-bottom: 10px; }

/* full-screen menu (phones/tablets): the four categories as a quiet line under "Treatments" */
.menu-panel__sub {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 2px 0 10px 32px;
  opacity: 0;
  transition: opacity .4s ease;
}
.menu-panel.is-open .menu-panel__sub { opacity: 1; transition-delay: .4s; }
.menu-panel__nav .menu-panel__sub a {
  padding: 0;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0;
  color: rgba(253, 247, 235, .78);
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .nav-dd__panel, .nav-dd__sub, .nav-dd__btn svg, .nav-dd__toggle svg { transition: none; }
}