/* ═══════════════════════════════════════════════════════════════
   Archevo Design — site header
   ═══════════════════════════════════════════════════════════════ */

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 9000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition:
    background 0.4s var(--ease),
    box-shadow 0.4s var(--ease),
    color 0.35s ease;
}

.site-header.is-top {
  background: linear-gradient(
    180deg,
    rgba(6, 5, 5, 0.55) 0%,
    rgba(6, 5, 5, 0.2) 55%,
    transparent 100%
  );
  color: #f5f2ec;
  box-shadow: none;
}

.site-header.is-top .nav-desktop a:not(.nav-cta) {
  color: rgba(245, 242, 236, 0.88);
}

.site-header.is-top .brand-line {
  color: rgba(245, 242, 236, 0.55);
}

.site-header.is-top .nav-toggle-bar {
  background: #f5f2ec;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(14, 13, 12, 0.08), 0 12px 40px rgba(8, 7, 6, 0.08);
}

.header-inner {
  width: min(1280px, 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

/* Full stacked logo + wordmark */
.brand--full {
  gap: 2.15rem;
}

.brand--wordmark-only .brand-full,
.brand--wordmark-only .brand-logo-full {
  display: none !important;
}

.brand--wordmark-only {
  gap: 0;
}

.brand--wordmark-only .brand-name {
  font-size: 1.15rem;
  letter-spacing: 0.22em;
}

.brand--has-logo .brand-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.brand--has-logo .brand-full {
  --brand-logo-h: 58px;
  --brand-logo-w: 156px;
}

.brand--has-logo.brand--full {
  gap: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
}

.site-header .brand-name {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
  transition: color 0.35s ease;
}

.site-header .brand-line {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.25;
  white-space: nowrap;
  transition: color 0.35s ease;
}

.site-header.is-top .brand-name,
.site-header.is-top .brand-line {
  color: #fff;
}

.site-header.is-top .brand-line {
  color: rgba(245, 242, 236, 0.72);
}

.site-header.is-solid .brand-name {
  color: var(--ink);
}

.site-header.is-solid .brand-line {
  color: var(--ink-muted);
}

/* Fixed logo slot — same size at top and after scroll */
.brand-full {
  --brand-logo-h: 68px;
  --brand-logo-w: 114px;
  position: relative;
  width: var(--brand-logo-w);
  height: var(--brand-logo-h);
  flex-shrink: 0;
  line-height: 0;
}

.brand-logo-full {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  display: block;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.site-header.is-top .brand-logo-full--dark {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-header.is-solid .brand-logo-full--light {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-header.is-solid .nav-desktop a:not(.nav-cta) {
  color: var(--ink-muted);
}

.site-header.is-solid .nav-desktop a:not(.nav-cta):hover,
.site-header.is-solid .nav-desktop a:not(.nav-cta):focus-visible {
  color: var(--ink);
}

@media (max-width: 640px) {
  .brand--full {
    gap: 1.35rem;
  }

  .brand--has-logo.brand--full {
    gap: 0;
  }

  .brand-full {
    --brand-logo-h: 56px;
    --brand-logo-w: 96px;
  }

  .brand--has-logo .brand-full {
    --brand-logo-h: 46px;
    --brand-logo-w: 124px;
  }

  .site-header .brand-name {
    font-size: 0.8125rem;
    letter-spacing: 0.11em;
  }

  .site-header .brand-line {
    font-size: 0.5625rem;
    letter-spacing: 0.16em;
  }
}

.nav-desktop ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem 1.75rem;
}

.nav-desktop a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 0.35rem 0;
  position: relative;
}

.nav-desktop a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.35s var(--ease);
}

.nav-desktop a:not(.nav-cta):hover::after,
.nav-desktop a:not(.nav-cta):focus-visible::after {
  width: 100%;
}

.nav-cta {
  padding: 0.55rem 1.15rem !important;
  border: 1px solid var(--deep);
  border-radius: var(--radius);
  color: #fff !important;
  background: var(--deep);
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.site-header.is-top .nav-cta {
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.45);
}

.site-header.is-top .nav-cta:hover,
.site-header.is-top .nav-cta:focus-visible {
  background: #fff;
  color: var(--deep) !important;
  border-color: #fff;
}

.site-header.is-solid .nav-cta {
  border-color: var(--ink);
}

.site-header.is-solid .nav-cta:hover,
.site-header.is-solid .nav-cta:focus-visible {
  background: var(--deep);
  color: #fff !important;
  border-color: var(--deep);
}

/* Home: full logo + name over hero */
body.home .site-header .brand--full {
  gap: 2.15rem;
}

/* Hero: ghost Enquire button */
body.home .site-header.is-top .nav-cta {
  padding: 0.5rem 1.1rem !important;
  border: 1px solid rgba(255, 255, 255, 0.55) !important;
  border-radius: var(--radius);
  background: transparent !important;
  color: #fff !important;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

body.home .site-header.is-top .nav-cta:hover,
body.home .site-header.is-top .nav-cta:focus-visible {
  background: #fff !important;
  color: var(--deep) !important;
  border-color: #fff !important;
}

body.home .site-header.is-top .nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.site-header.nav-open .nav-toggle-bar:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.site-header.nav-open .nav-toggle-bar:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 8998;
  background: rgba(12, 11, 10, 0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.site-header.nav-open .nav-drawer {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(360px, 88vw);
  height: 100%;
  background: var(--bg-elevated);
  padding: 5rem 1.75rem 2rem;
  box-shadow: -24px 0 80px rgba(0, 0, 0, 0.15);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}

.site-header.nav-open .nav-drawer-panel {
  transform: translateX(0);
}

.nav-drawer-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}

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

.nav-drawer-links a {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.nav-drawer-links a:hover,
.nav-drawer-links a:focus-visible {
  color: var(--gold);
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 3;
  }

  /* Expand header to full screen when menu is open (drawer lives inside header) */
  .site-header.nav-open {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    min-height: 100dvh;
    overflow: hidden;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
  }

  .site-header.nav-open .header-inner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 4;
    width: 100%;
    margin: 0;
    padding: 0.65rem 1rem 0;
    justify-content: flex-end;
    pointer-events: none;
  }

  /* Hide logo/name while menu is open — they were overlapping nav links */
  .site-header.nav-open .header-inner .brand {
    display: none;
  }

  .site-header.nav-open .nav-toggle {
    pointer-events: auto;
  }

  .site-header.nav-open .nav-drawer-close {
    display: none;
  }

  .nav-drawer {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(8, 7, 6, 0.72);
  }

  .nav-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    padding: 4.5rem 1.5rem 2.5rem;
    background: linear-gradient(165deg, #161412 0%, #0c0b0a 52%, #080706 100%);
    box-shadow: none;
    transform: translateX(100%);
  }

  .site-header.nav-open .nav-drawer-panel {
    transform: translateX(0);
  }

  .nav-drawer-links a {
    color: rgba(245, 242, 236, 0.94);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .nav-drawer-links a:hover,
  .nav-drawer-links a:focus-visible {
    color: var(--gold);
  }

  .site-header.nav-open .nav-toggle-bar {
    background: #f5f2ec;
  }
}

/* —— Sub-page header states —— */
.page-sub .site-header.is-solid .brand-name {
  color: var(--ink);
}

.nav-desktop a.is-active {
  color: var(--ink);
}

.nav-desktop a.is-active::after {
  width: 100%;
}

.nav-desktop a.nav-cta.is-active {
  background: var(--deep);
  color: #fff !important;
  border-color: var(--deep);
}

/* —— Lux brand lockup (stacked mark + wordmark) —— */
.brand--lux {
  gap: clamp(0.9rem, 2vw, 1.35rem);
  align-items: center;
}

.brand--lux.brand--full {
  gap: clamp(0.9rem, 2vw, 1.35rem);
}

.site-header:has(.brand--lux) {
  height: 7rem;
  --header-h: 7rem;
}

.brand--lux .brand-full {
  --brand-logo-h: 108px;
  --brand-logo-w: 96px;
}

.brand--lux .brand-logo-mark {
  object-fit: contain;
  object-position: left center;
  opacity: 1;
}

.site-header.is-top .brand--lux .brand-logo-mark {
  filter:
    drop-shadow(0 2px 8px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 18px rgba(0, 0, 0, 0.3));
}

.site-header.is-solid .brand--lux .brand-logo-mark {
  filter: contrast(1.1) saturate(1.08);
}

.brand--lux .brand-text {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  overflow: visible;
  clip: auto;
  white-space: nowrap;
  border: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-align: center;
}

.brand--lux .brand-name {
  font-family: var(--font-sans);
  font-size: clamp(0.9rem, 1.35vw, 1.0625rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
  text-align: center;
}

.brand--lux .brand-line {
  font-family: var(--font-sans);
  font-size: clamp(0.625rem, 1.05vw, 0.75rem);
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.2;
  text-transform: uppercase;
  max-width: none;
  opacity: 1;
  text-align: center;
  align-self: center;
}

.brand--lux .brand-divider {
  display: none;
}

.site-header.is-top .brand--lux .brand-name {
  color: #fff;
}

.site-header.is-top .brand--lux .brand-line {
  color: rgba(255, 255, 255, 0.78);
}

.site-header.is-solid .brand--lux .brand-name {
  color: var(--ink);
}

.site-header.is-solid .brand--lux .brand-line {
  color: var(--ink-muted);
}

.header-inner:has(.brand--lux) {
  width: min(1360px, 100% - 2.5rem);
}

.header-inner:has(.brand--lux) .nav-desktop ul {
  gap: 0.25rem clamp(1.35rem, 2.6vw, 2.15rem);
}

.site-header.is-top .header-inner:has(.brand--lux) .nav-desktop a:not(.nav-cta) {
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
}

.site-header.is-top .header-inner:has(.brand--lux) .nav-cta {
  color: #fff !important;
  background: transparent !important;
  border: 1px solid rgba(255, 255, 255, 0.55) !important;
  border-radius: 0;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  padding: 0.5rem 1.15rem !important;
}

.site-header.is-top .header-inner:has(.brand--lux) .nav-cta:hover,
.site-header.is-top .header-inner:has(.brand--lux) .nav-cta:focus-visible {
  background: rgba(255, 255, 255, 0.12) !important;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.85) !important;
}

body.home .site-header .brand--lux.brand--full {
  gap: clamp(0.9rem, 2vw, 1.35rem);
}

@media (max-width: 900px) {
  .site-header:has(.brand--lux) {
    height: 6rem;
    --header-h: 6rem;
  }

  .brand--lux .brand-full {
    --brand-logo-h: 80px;
    --brand-logo-w: 71px;
  }

  .brand--lux .brand-line {
    font-size: 0.58rem;
    letter-spacing: 0.2em;
  }
}

@media (max-width: 480px) {
  .brand--lux .brand-name {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
  }

  .brand--lux .brand-line {
    display: none;
  }
}