/* ==========================================================================
   Header — transparent over hero, warm ivory glass on scroll
   ========================================================================== */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: #fff;
  transition: background var(--dur-mid) var(--ease-out),
              color var(--dur-mid) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out),
              height var(--dur-mid) var(--ease-out);
}

.header__inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
}

/* --- scrolled state ------------------------------------------------------- */
.header.is-compact {
  background: rgba(246, 240, 231, .86);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(26, 23, 20, .08);
}
@supports not (backdrop-filter: blur(4px)) {
  .header.is-compact { background: rgba(246, 240, 231, .97); }
}

/* the open mobile menu is ivory, so the mark has to flip to ink */
html.is-menu-open .header { color: var(--ink); background: transparent; box-shadow: none; }

/* hide on scroll down, return on scroll up */
.header.is-hidden { transform: translateY(-100%); transition: transform .5s var(--ease-out), background var(--dur-mid) var(--ease-out); }
.header { transform: translateY(0); }

/* --- brand ---------------------------------------------------------------- */
.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  margin-right: auto;
}
.brand__wave { display: block; width: 26px; height: 8px; margin-bottom: 5px; opacity: .85; }
.brand__name {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  letter-spacing: .1em;
}
.brand__place {
  font-size: .5rem;
  letter-spacing: .42em;
  text-transform: uppercase;
  margin-top: 4px;
  opacity: .8;
  padding-left: .42em;
}

/* --- desktop nav ---------------------------------------------------------- */
.nav { display: flex; align-items: center; gap: clamp(1.1rem, 2.2vw, 2.4rem); }
.nav__link {
  position: relative;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  padding-block: .5rem;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__link.is-active { color: var(--coral); }

.header__cta { min-height: 40px; padding: .7rem 1.4rem; }

/* --- mobile toggle -------------------------------------------------------- */
.burger {
  display: none;
  width: 44px; height: 44px;
  margin-right: -10px;
  position: relative;
  z-index: 2;
}
.burger span {
  position: absolute;
  left: 11px;
  width: 22px; height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-fast) var(--ease-out), opacity .2s linear;
}
.burger span:nth-child(1) { top: 18px; }
.burger span:nth-child(2) { top: 25px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* --- mobile menu overlay -------------------------------------------------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ivory);
  color: var(--ink);
  padding: calc(var(--header-h) + 3rem) var(--gutter) 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .8s var(--ease-soft), visibility 0s .8s;
  visibility: hidden;
}
html.is-menu-open .menu {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path .8s var(--ease-soft), visibility 0s 0s;
}
.menu__list { display: flex; flex-direction: column; gap: .35rem; }
.menu__link {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 11vw, 3.2rem);
  line-height: 1.18;
  display: inline-block;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out), color .25s linear;
}
html.is-menu-open .menu .menu__link { opacity: 1; transform: none; }
.menu__link:active { color: var(--coral); }
html.is-menu-open .menu .menu__list li:nth-child(1) .menu__link { transition-delay: .16s; }
html.is-menu-open .menu .menu__list li:nth-child(2) .menu__link { transition-delay: .22s; }
html.is-menu-open .menu .menu__list li:nth-child(3) .menu__link { transition-delay: .28s; }
html.is-menu-open .menu .menu__list li:nth-child(4) .menu__link { transition-delay: .34s; }
html.is-menu-open .menu .menu__list li:nth-child(5) .menu__link { transition-delay: .40s; }

.menu__foot {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-top: 1px solid var(--rule-dark);
  padding-top: 1.75rem;
}
.menu__meta {
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-on-ivory-mute);
}

@media (max-width: 1040px) {
  .nav, .header__cta { display: none; }
  .burger { display: block; }
  .brand { margin-right: auto; }
}
@media (min-width: 1041px) {
  .menu { display: none; }
}