/* ==========================================================================
   YAZHI — NAVIGATION (header + mobile menu + footer)
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 500;
    background: rgba(252, 250, 245, 0.92);
    backdrop-filter: saturate(160%) blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6em;
    text-decoration: none;
    flex-shrink: 0;
}
.site-logo img {
    height: 46px;
    width: 46px;
    object-fit: contain;
}
.site-logo__text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    line-height: 1.15;
    color: var(--yazhi-deep-burgundy);
}
.site-logo__text small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--yazhi-dark-gold);
    text-transform: uppercase;
}

.primary-nav {
    display: none;
}
.primary-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 1.6vw, 2rem);
    list-style: none;
    margin: 0;
    padding: 0;
}
.primary-nav a {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--color-text);
    text-decoration: none;
    padding-block: 0.4em;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}
.primary-nav a:hover,
.primary-nav a:focus-visible {
    color: var(--yazhi-burgundy);
}
.primary-nav .current-menu-item > a,
.primary-nav a[aria-current="page"] {
    color: var(--yazhi-burgundy);
    border-bottom-color: var(--yazhi-gold);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--yazhi-deep-burgundy);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    position: fixed;
    inset: 0;
    top: var(--header-height);
    background: var(--yazhi-off-white);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 400;
    overflow-y: auto;
    padding: var(--space-md) var(--container-padding) var(--space-xl);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav li { border-bottom: 1px solid var(--color-border); }
.mobile-nav a {
    display: block;
    padding: 1.05em 0.25em;
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--yazhi-deep-burgundy);
    text-decoration: none;
}
.mobile-nav .btn { margin-top: var(--space-md); width: 100%; justify-content: center; }
.no-scroll { overflow: hidden; height: 100%; }

@media (min-width: 1024px) {
    .primary-nav { display: block; }
    .hamburger { display: none; }
    .mobile-nav { display: none; }
}

/* ---- Footer ---- */
.site-footer {
    background: var(--yazhi-deep-burgundy);
    color: rgba(248, 244, 234, 0.82);
    padding-block: var(--space-xl) var(--space-md);
}
.footer-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}
@media (min-width: 640px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-brand img { height: 52px; margin-bottom: var(--space-sm); }
.footer-brand p { color: rgba(248, 244, 234, 0.65); font-size: var(--fs-sm); max-width: 32ch; }
.footer-col h6 { color: var(--yazhi-light-gold); margin-bottom: 1em; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.65em; }
.footer-col a {
    color: rgba(248, 244, 234, 0.78);
    text-decoration: none;
    font-size: var(--fs-sm);
}
.footer-col a:hover { color: var(--yazhi-light-gold); }

.social-links { display: flex; gap: 0.6em; margin-top: var(--space-sm); }
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(201, 162, 74, 0.4);
    border-radius: 50%;
    color: var(--yazhi-light-gold);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.social-links a:hover { background: rgba(201, 162, 74, 0.15); border-color: var(--yazhi-gold); }
.social-links svg { width: 16px; height: 16px; fill: currentColor; }

.footer-bottom {
    border-top: 1px solid rgba(248, 244, 234, 0.14);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: space-between;
    align-items: center;
    font-size: var(--fs-xs);
    color: rgba(248, 244, 234, 0.55);
}
.footer-bottom nav ul { display: flex; gap: 1.25em; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.footer-bottom a { color: rgba(248, 244, 234, 0.65); text-decoration: none; }
.footer-bottom a:hover { color: var(--yazhi-light-gold); }