body .header-premium .header-nav { gap: 24px; }
body .header-premium .header-nav a { font-size: 14px; font-weight: 550; }
body .header-premium .header-nav a.btn-nav { border-radius: var(--bi-radius-control); background: var(--bi-accent); box-shadow: none; padding: 8px 14px; font-size: 13px; line-height: 1.4; }
body .header-premium .btn-nav:hover { background: var(--bi-accent-hover); }
/* PERSPECTIVA AR: approved flat overlapping-plane mark and standard Inter wordmark. */
body :is(.header-premium,.site-footer) .perspectiva-brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 9px;
    color: #15171b;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}
body :is(.header-premium,.site-footer) .perspectiva-brand__mark {
    display: block;
    width: 38px;
    height: auto;
    flex: 0 0 auto;
}
body :is(.header-premium,.site-footer) .perspectiva-brand__word {
    font-family: Inter, Arial, Helvetica, sans-serif;
    font-size: 19px;
    font-weight: 750;
    font-style: normal;
    letter-spacing: -.025em;
    line-height: 1;
}
body :is(.header-premium,.site-footer) .perspectiva-brand__ar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border: 1.5px solid currentColor;
    border-radius: 0;
    box-sizing: border-box;
    font: 700 13px/1 Inter, Arial, Helvetica, sans-serif;
    letter-spacing: -.04em;
}
body .header-dark .perspectiva-brand,
body .site-footer .perspectiva-brand,
html[data-bim-theme="dark"] body .header-premium .perspectiva-brand { color: #fff; }
body .perspectiva-brand:focus-visible { outline: 2px solid #8b4dff; outline-offset: 6px; }
@media (max-width: 768px) {
    body .header-premium .perspectiva-brand { gap: 6px; }
    body .header-premium .perspectiva-brand__mark { width: 27px; }
    body .header-premium .perspectiva-brand__word { font-size: 14px; letter-spacing: -.035em; }
    body .header-premium .perspectiva-brand__ar { width: 21px; height: 21px; font-size: 10px; border-width: 1.25px; }
    body .site-footer .perspectiva-brand__word { font-size: 17px; }
    body .site-footer .perspectiva-brand__mark { width: 34px; }
}
@media (max-width: 359px) {
    body .header-premium .perspectiva-brand { gap: 5px; }
    body .header-premium .perspectiva-brand__word { font-size: 12px; }
    body .header-premium .perspectiva-brand__mark { width: 24px; }
    body .header-premium .perspectiva-brand__ar { width: 19px; height: 19px; font-size: 9px; }
}

body .site-footer { background: var(--bi-night); color: var(--bi-night-text); border-top: 1px solid var(--bi-line-dark); padding: 64px 0 28px; }
body .site-footer .footer-description { max-width: 32ch; font-size: 14px; color: var(--bi-night-muted); line-height: 1.7; }
body .site-footer .footer-nav-title { color: var(--bi-night-text); font-size: 14px; letter-spacing: 0; text-transform: none; }
body .site-footer .footer-nav-list a { color: var(--bi-night-muted); font-size: 13px; line-height: 1.6; }
body .site-footer .footer-nav-list a:hover { color: #fff; text-decoration: underline; }
body .site-footer :is(.footer-copyright,.footer-legal,.trust-badge) { color: var(--bi-night-muted); }
body .site-footer .footer-bottom { border-color: var(--bi-line-dark); }
body .site-footer .footer-top { gap: 48px; }
.bim-menu-toggle { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--bi-line); border-radius: 10px; background: #fff; color: var(--bi-ink); padding: 0; cursor: pointer; }
.bim-mobile-menu { position: fixed; inset: 68px 12px auto; width: auto; max-width: 480px; max-height: calc(100dvh - 92px); overflow: auto; margin: 0 0 0 auto; padding: 12px; background: #fff; color: var(--bi-ink); border: 1px solid var(--bi-line); border-radius: 16px; box-shadow: var(--bi-shadow); }
.bim-mobile-menu::backdrop { background: rgb(25 23 32 / 24%); }
.bim-mobile-menu a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px; color: var(--bi-ink); text-decoration: none; border-radius: 8px; font-size: 15px; }
.bim-mobile-menu a:hover { background: var(--bi-accent-soft); }
.bim-mobile-menu a.bim-ui-button { color: #fff; background: var(--bi-accent); justify-content: center; margin-top: 8px; }
@media (max-width: 768px) {
    body .header-premium .header-nav { gap: 8px; }
    body .header-premium .container { padding-inline: 16px; }
    body .header-premium .header-inner { gap: 8px; }
    body .header-premium .header-nav a.btn-nav { padding: 7px 10px; font-size: 12px; }
    .bim-menu-toggle { display: inline-flex; }
    body .site-footer { padding-top: 48px; }
    body .site-footer .footer-top { gap: 32px; }
    body .site-footer .footer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px 16px; width: 100%; }
    body .site-footer .footer-nav-column:last-child { grid-column: 1/-1; }
    body .site-footer .footer-nav-list a { display: inline-block; padding-block: 4px; }
}
@media (min-width: 769px) { .bim-mobile-menu { display: none; } }