/* ═══════════════════════════════════════════════
   MCA Theme — Header & Navigation
   ═══════════════════════════════════════════════ */

/* ─── Site Header ─── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--mca-green-pale);
}

/* ─── Top Bar (Blog + Asociate links) ─── */
.header-topbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-md);
    padding: 0.5rem var(--container-padding);
    max-width: var(--container-wide);
    margin: 0 auto;
}

.header-topbar__link {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--mca-gray-600);
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--mca-gray-300);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.header-topbar__link:hover {
    background-color: var(--mca-green);
    color: var(--mca-white);
    border-color: var(--mca-green);
}

/* ─── Main Header ─── */
.header-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md) var(--container-padding);
    max-width: var(--container-wide);
    margin: 0 auto;
}

.header-logo {
    width: 90px;
    height: 90px;
    margin-bottom: var(--space-md);
    transition: transform var(--transition-base);
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-full);
}

/* ─── Navigation Pills ─── */
.header-nav {
    width: 100%;
}

.nav-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
}

.nav-pills .nav-pill {
    font-size: 0.7rem;
}

/* ─── Mobile Menu Button ─── */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute;
    right: var(--container-padding);
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle__icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--mca-gray-800);
    position: relative;
    transition: background-color var(--transition-fast);
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--mca-gray-800);
    position: absolute;
    transition: all var(--transition-base);
}

.menu-toggle__icon::before {
    top: -7px;
}

.menu-toggle__icon::after {
    bottom: -7px;
}

/* Menu open state */
.menu-open .menu-toggle__icon {
    background-color: transparent;
}

.menu-open .menu-toggle__icon::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-open .menu-toggle__icon::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ─── Mobile Navigation Overlay ─── */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--mca-green-pale);
    z-index: 9999;
    flex-direction: column;
    padding: var(--space-3xl) var(--space-xl);
    overflow-y: auto;
}

.mobile-nav.is-active {
    display: flex;
}

.mobile-nav__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xl);
    color: var(--mca-gray-600);
    cursor: pointer;
    background: none;
    border: none;
    transition: color var(--transition-fast);
}

.mobile-nav__close:hover {
    color: var(--mca-gray-900);
}

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

.mobile-nav__item {
    border-bottom: 1px solid rgba(140, 198, 63, 0.2);
}

.mobile-nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--mca-green);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
    color: var(--mca-green-dark);
}

.mobile-nav__item--active .mobile-nav__link {
    color: var(--mca-orange);
}