/* ==========================================================================
   Header & Navigation
   ========================================================================== */

/* ---------- Announcement Bar ---------- */
.announcement-bar {
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold-cream));
    color: var(--color-navy);
    text-align: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    position: relative;
}

.announcement-bar__dismiss {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: var(--text-lg);
    color: var(--color-navy);
    cursor: pointer;
    line-height: 1;
    padding: var(--space-1);
}

/* ---------- Site Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-navy);
    transition: all var(--transition-base);
    height: var(--header-height);
}

.site-header.is-scrolled {
    height: var(--header-height-scrolled);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.site-header.is-hidden {
    transform: translateY(-100%);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ---------- Logo ---------- */
.site-logo {
    flex-shrink: 0;
}

.site-logo img {
    height: 50px;
    width: auto;
    transition: height var(--transition-base);
}

.is-scrolled .site-logo img {
    height: 40px;
}

/* ---------- Primary Navigation ---------- */
.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-item__link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    color: var(--color-gold-light);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-item__link:hover,
.nav-item--active > .nav-item__link {
    color: var(--color-gold);
}

.nav-item__arrow {
    width: 10px;
    height: 10px;
    transition: transform var(--transition-fast);
}

.nav-item.is-open .nav-item__arrow {
    transform: rotate(180deg);
}

/* ---------- Mega Menu ---------- */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-xl);
    min-width: 600px;
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-item.is-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.mega-menu__column-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: var(--color-navy);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--color-gold);
}

.mega-menu__links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu__link {
    display: block;
    padding: var(--space-1) 0;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.mega-menu__link:hover {
    color: var(--color-gold-dark);
}

/* ---------- Header Actions ---------- */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header__whatsapp {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.header__whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-1px);
}

.header__whatsapp svg {
    width: 18px;
    height: 18px;
}

/* ---------- Mobile Menu Toggle ---------- */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: calc(var(--z-overlay) + 1);
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-gold);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.mobile-menu-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 380px;
    height: 100vh;
    background: var(--color-navy);
    z-index: var(--z-overlay);
    padding: calc(var(--header-height) + var(--space-6)) var(--space-6) var(--space-6);
    overflow-y: auto;
    transition: right var(--transition-base);
}

.mobile-menu.is-open {
    right: 0;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-overlay) - 1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu__item {
    border-bottom: 1px solid rgba(236, 199, 156, 0.15);
}

.mobile-menu__link {
    display: block;
    padding: var(--space-4) 0;
    color: var(--color-gold-light);
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
}

.mobile-menu__link:hover {
    color: var(--color-gold);
}

.mobile-menu__sublist {
    list-style: none;
    padding: 0 0 var(--space-3) var(--space-4);
}

.mobile-menu__sublink {
    display: block;
    padding: var(--space-2) 0;
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    text-decoration: none;
}

.mobile-menu__sublink:hover {
    color: var(--color-gold);
}

.mobile-menu__whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
    padding: var(--space-4);
    background: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
    font-size: var(--text-sm);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .primary-nav,
    .header__whatsapp {
        display: none;
    }

    .mobile-menu-toggle,
    .mobile-menu,
    .mobile-menu-overlay {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .mobile-menu-overlay {
        display: block;
    }
}