/* ============================================================
   MFALME LUXURY LIVING — NAVIGATION
   ============================================================ */

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: var(--z-nav);
    transition: background-color var(--speed-med) var(--ease-out),
                box-shadow var(--speed-med) var(--ease-out),
                border-color var(--speed-med) var(--ease-out),
                backdrop-filter var(--speed-med) var(--ease-out);
    border-bottom: 1px solid transparent;
}

/* Transparent state (over the cinematic hero) */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 84px;
    transition: height var(--speed-med) var(--ease-out);
}

/* --- Brand --- */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    flex-shrink: 0;
}

.brand-mark {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: var(--weight-serif-bold);
    font-size: 1.6rem;
    line-height: 1;
    color: var(--mfalme-gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid currentColor;
    border-radius: 50%;
    transition: background-color var(--speed-fast) ease, color var(--speed-fast) ease;
}

.brand-text {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-sub {
    font-family: var(--font-sans);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    margin-top: 3px;
}

/* --- Links --- */
.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 2.4vw, 2.6rem);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: var(--text-small);
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.35rem 0;
    white-space: nowrap;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--speed-med) var(--ease-out);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* --- Actions (right) --- */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-shrink: 0;
}

.nav-icon-btn,
.nav-text-btn {
    background: none;
    border: 0;
    padding: 0.5rem;
    font-size: var(--text-small);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: opacity var(--speed-fast) ease;
}

.nav-text-btn {
    white-space: nowrap;
}

/* Account area (Sign In / signed-in user + Sign out) */
.nav-account {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Transparent state — light text over hero image */
.site-header.is-transparent .brand-mark {
    color: var(--text-on-dark);
    border-color: rgba(248, 245, 239, 0.6);
}
.site-header.is-transparent .brand-name,
.site-header.is-transparent .brand-sub {
    color: var(--text-on-dark);
}
.site-header.is-transparent .nav-link,
.site-header.is-transparent .nav-icon-btn,
.site-header.is-transparent .nav-text-btn {
    color: var(--text-on-dark);
}
.site-header.is-transparent .nav-icon-btn::before {
    background: rgba(248, 245, 239, 0.85);
}

/* Scrolled state — solid elevated surface, dark text */
.site-header.is-scrolled {
    background: rgba(248, 245, 239, 0.92);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--hairline);
    box-shadow: 0 10px 30px -18px rgba(23, 20, 18, 0.25);
}
.site-header.is-scrolled .site-nav {
    height: 70px;
}
.site-header.is-scrolled .brand-mark {
    color: var(--mfalme-gold);
}
.site-header.is-scrolled .brand-name,
.site-header.is-scrolled .brand-sub {
    color: var(--ink);
}
.site-header.is-scrolled .nav-link {
    color: var(--ink-soft);
}
.site-header.is-scrolled .nav-icon-btn,
.site-header.is-scrolled .nav-text-btn {
    color: var(--ink-soft);
}
.site-header.is-scrolled .nav-links .nav-link.active {
    color: var(--accent-strong);
}

/* --- Buttons in the header --- */
.btn-cta {
    --btn-pad-y: 0.55rem;
    --btn-pad-x: 1.25rem;
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* --- Burger (mobile) --- */
.nav-burger {
    display: none;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--hairline);
    border-radius: var(--radius-pill);
    padding: 0.55rem 1rem;
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: border-color var(--speed-fast) ease, color var(--speed-fast) ease;
}
.site-header.is-transparent .nav-burger {
    color: var(--text-on-dark);
    border-color: rgba(248, 245, 239, 0.55);
}
.site-header.is-scrolled .nav-burger {
    color: var(--ink);
}

.nav-burger i {
    font-size: 1.15rem;
}

/* ============================================================
   OFF-CANVAS (MOBILE)
   ============================================================ */
.offcanvas-nav {
    background: var(--mfalme-charcoal);
    color: var(--text-on-dark);
    width: min(390px, 88vw);
    border: 0;
}

.offcanvas-nav .offcanvas-header {
    border-bottom: 1px solid var(--hairline-dark);
    padding: 1.25rem var(--gutter);
}

.offcanvas-nav .brand-mark {
    color: var(--mfalme-gold);
    border-color: rgba(184, 155, 99, 0.6);
}
.offcanvas-nav .brand-name,
.offcanvas-nav .brand-sub {
    color: inherit;
}

.offcanvas-nav .offcanvas-body {
    display: flex;
    flex-direction: column;
    padding: 2rem var(--gutter) 2.5rem;
    overflow-y: auto;
}

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

.offcanvas-link {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--hairline-dark);
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--text-on-dark);
    transition: color var(--speed-fast) ease, padding-left var(--speed-fast) ease;
}

.offcanvas-link:hover,
.offcanvas-link.active {
    color: var(--mfalme-gold-light);
    padding-left: 0.4rem;
}

.offcanvas-footer {
    margin-top: auto;
    padding-top: 2rem;
}

.offcanvas-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.offcanvas-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--hairline-dark);
    border-radius: 50%;
    color: var(--text-on-dark);
    transition: border-color var(--speed-fast) ease, color var(--speed-fast) ease, background-color var(--speed-fast) ease;
}

.offcanvas-social a:hover {
    color: var(--mfalme-gold-light);
    border-color: var(--mfalme-gold);
}

.btn-outline-ivory {
    --bs-btn-color: var(--text-on-dark);
    --bs-btn-border-color: var(--hairline-dark);
    --bs-btn-hover-color: var(--mfalme-charcoal);
    --bs-btn-hover-bg: var(--text-on-dark);
    --bs-btn-hover-border-color: var(--text-on-dark);
    --bs-btn-active-color: var(--mfalme-charcoal);
    --bs-btn-active-bg: var(--text-on-dark);
    --bs-btn-active-border-color: var(--text-on-dark);
    --bs-btn-padding-y: 0.75rem;
    --bs-btn-padding-x: 1.5rem;
    --bs-btn-font-size: var(--text-small);
    --bs-btn-font-weight: 600;
    --bs-btn-border-radius: var(--radius-pill);
    --bs-btn-letter-spacing: 0.05em;
}