.site-nav {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: #fff;
    color: var(--navy);
    font-family: var(--font-text);
}
.site-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 96px; }
.site-nav-brand { display: block; flex: 0 0 auto; padding: 16px 0; }
.site-nav-desktop { display: flex; align-items: center; gap: 36px; }
.site-nav-links, .site-nav-mobile-links { list-style: none; padding: 0; margin: 0; }
.site-nav-links { display: flex; align-items: center; gap: 6px; }
.site-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    padding: 12px 14px;
    color: var(--navy);
    font-size: var(--type-control);
    font-weight: var(--weight-semibold);
    line-height: 1.5;
    text-decoration: none;
    border-radius: 7px;

}
.site-nav-link:hover { color: var(--blue); }
.site-nav-link[aria-current='page'] { color: var(--blue); }
.site-nav-contact {
    border-radius: 7px;
    display: flex; align-items: center; justify-content: center; gap: 18px;
    padding: 13px 20px; background: var(--navy); color: #fff;
    font-size: var(--type-control); font-weight: var(--weight-semibold); line-height: 1.5;
    text-decoration: none; white-space: nowrap;

}
.site-nav-contact:hover, .site-nav-contact[aria-current='page'] { background: var(--blue); color: #fff; }
.site-nav svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.site-nav-mobile { display: none; }
@media (max-width: 1199px) {
    .site-nav-inner { min-height: 82px; gap: 16px; }
    .site-nav-desktop { display: none; }
    .site-nav-mobile { display: block; }
    .site-nav-mobile summary { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 12px; border-radius: 7px; cursor: pointer; list-style: none; font-size: var(--type-control); font-weight: var(--weight-semibold); }
    .site-nav-mobile summary::-webkit-details-marker { display: none; }
    .site-nav-mobile[open] summary { background: var(--soft); color: var(--blue); }
    .site-nav-close-label, .site-nav-cross { display: none; }
    .site-nav-mobile[open] .site-nav-menu-label, .site-nav-mobile[open] .site-nav-bars { display: none; }
    .site-nav-mobile[open] .site-nav-close-label, .site-nav-mobile[open] .site-nav-cross { display: inline; }
    .site-nav-panel { position: absolute; top: 100%; left: 0; right: 0; padding: 16px max(24px, calc((100vw - 696px) / 2)) 24px; background: #fff; box-shadow: 0 20px 30px rgba(7,20,59,.1); max-height: calc(100dvh - 82px); overflow-y: auto; }
    .site-nav-mobile-links { margin-bottom: 20px; }
    .site-nav-mobile-links .site-nav-link { justify-content: space-between; padding: 15px 12px; font-size: var(--type-title); }
    .site-nav-mobile-links .site-nav-link[aria-current='page'] { background: var(--soft); }
    .site-nav-contact { min-height: 52px; }
}
@media (max-width: 575px) {
    .site-nav-inner { min-height: 78px; }
    .site-nav-brand .brand-logo { width: clamp(160px, 48vw, 190px); }
    .site-nav-panel { padding: 12px 16px 24px; max-height: calc(100dvh - 78px); }
}
@media (prefers-reduced-motion: reduce) {
    .site-nav-link, .site-nav-contact {  }
}
.site-nav-actions { display: flex; align-items: center; gap: 12px; }
.site-nav-whatsapp {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-width: 50px; min-height: 50px; padding: 12px;
    border: 1px solid var(--navy); border-radius: 7px;
    color: var(--navy); background: transparent;
    font-size: var(--type-control); font-weight: var(--weight-semibold); line-height: 1.5;
    text-decoration: none;
}
.site-nav-whatsapp i { font-size: 21px; line-height: 1; }
.site-nav-whatsapp:hover { color: var(--blue); border-color: var(--blue); }
.site-nav-whatsapp-label { display: none; }
@media (max-width: 1199px) {
    .site-nav-actions { display: grid; grid-template-columns: 1fr 1fr; }
    .site-nav-whatsapp { min-height: 52px; }
    .site-nav-whatsapp-label { display: inline; }
}
@media (max-width: 359px) {
    .site-nav-actions { grid-template-columns: 1fr; }
}
.site-nav-products { position: relative; }
.site-nav-products > summary { cursor: pointer; list-style: none; gap: 6px; }
.site-nav-products > summary::-webkit-details-marker { display: none; }
.site-nav-products > summary svg { width: 16px; height: 16px; }
.site-nav-products[open] > summary svg { transform: rotate(180deg); }
.site-nav-products-panel { position: absolute; top: calc(100% + 8px); left: 0; min-width: 180px; padding: 6px; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: 0 12px 24px rgba(7,20,59,.12); }
.site-nav-products-panel .site-nav-link:hover { background: var(--soft); }
[data-theme='dark'] .site-nav-products-panel { background: #142135; }
@media (min-width: 1200px) and (max-width: 1399px) {
    .site-nav-brand .brand-logo { width: 180px; }
    .site-nav-inner { gap: 16px; }
    .site-nav-desktop { gap: 12px; }
    .site-nav-links { gap: 0; }
    .site-nav .site-nav-link { padding-inline: 8px; }
    .site-nav-actions { gap: 8px; }
}
@media (max-width: 1199px) {
    .site-nav-products-panel { position: static; box-shadow: none; margin: 4px 12px 12px; }
    .site-nav-mobile .site-nav-products > summary { justify-content: space-between; padding: 15px 12px; font-size: var(--type-title); }
}