/* ==========================================================================
   HEADER – nền full-width, nội dung trong .container
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    color: #fff;
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 32px;
    height: var(--header-height);
    padding-inline: 12px 6px;
}

/* ---------- Logo ---------- */
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    color: #fff;
}

.site-logo__mark {
    width: 93px;
    height: 53px;
}

.site-logo__text {
    font-family: var(--font-display);
    font-size: 1.8125rem;          /* 29px */
    font-weight: 500;
    font-stretch: 100%;
    line-height: 1;
    letter-spacing: 0.005em;
    white-space: nowrap;
}

/* ---------- Menu chính ---------- */
.site-navigation {
    margin-inline: auto;
}

.site-navigation .menu {
    display: flex;
    align-items: center;
    gap: 38px;
}

.site-navigation .menu > li > a {
    position: relative;
    display: block;
    padding: 10px 0;
    font-size: var(--fs-16);
    font-weight: 500;
    color: #e6e7e9;
    white-space: nowrap;
}

.site-navigation .menu > li > a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 1px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--duration) var(--ease);
}

.site-navigation .menu > li > a:hover,
.site-navigation .menu > .current-menu-item > a {
    color: #fff;
}

.site-navigation .menu > li > a:hover::after,
.site-navigation .menu > .current-menu-item > a::after {
    transform: scaleX(1);
}

.site-header__cta {
    min-width: 183px;
    min-height: 45px;
    padding: 0 20px;
    gap: 14px;
}

/* Nút gọi Hotline: icon điện thoại + số */
.btn--phone {
    gap: 10px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.btn--phone .icon {
    width: 20px;
    height: 20px;
}

.btn--phone:hover .icon {
    transform: none;
}

/* ---------- Nút mở menu mobile ---------- */
.menu-toggle {
    display: none;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    border-radius: var(--radius-sm);
    color: #fff;
}

.menu-toggle .icon {
    width: 26px;
    height: 26px;
}

.menu-toggle .icon--close {
    display: none;
}

.menu-toggle[aria-expanded='true'] .icon--open {
    display: none;
}

.menu-toggle[aria-expanded='true'] .icon--close {
    display: block;
}