/* Shared navigation: homepage and SEO/AI training. */
.pb-header{position:relative;z-index:30;max-width:1280px;margin:0 auto;padding:22px 44px;background:#EFEBE1;color:#1B1714;border-bottom:1px solid #c5bfb2;box-sizing:border-box}
.pb-navigation{display:flex;align-items:center;justify-content:space-between;gap:24px;font-family:Archivo,Arial,sans-serif;line-height:1.4}
.pb-brand{flex:none;color:#1B1714!important;font-size:18px;font-weight:900;letter-spacing:-.04em;text-decoration:none;white-space:nowrap}
.pb-items{display:flex;align-items:center;gap:28px}
.pb-group{position:relative;display:flex;align-items:center;gap:3px}
.pb-main-link,.pb-contact{font:11px 'Space Mono',monospace;text-decoration:none!important;color:#1B1714!important;padding:12px 0;white-space:nowrap}
.pb-main-link[aria-current=page]{text-decoration:underline!important;text-decoration-color:#3A0C10!important;text-underline-offset:7px!important}
.pb-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:42px;padding:0;border:0;background:transparent;color:#3A0C10;cursor:pointer;border-radius:5px}
.pb-toggle svg{width:12px;height:12px;transition:transform .18s}
.pb-toggle[aria-expanded=true] svg{transform:rotate(180deg)}
.pb-contact{border-bottom:3px solid #C9F24E;padding:6px 0}
.pb-submenu{position:absolute;left:-18px;top:100%;min-width:240px;margin:0;padding:12px;list-style:none;background:#f8f5ee;border:1px solid #c5bfb2;border-radius:10px;box-shadow:0 10px 25px #3a0c1014;display:none}
.pb-submenu a{display:block;padding:12px;border-radius:5px;text-decoration:none!important;font:12px/1.4 Archivo,Arial,sans-serif;color:#1B1714!important;white-space:normal}
.pb-submenu a:hover,.pb-submenu a:focus-visible{background:#e5dfd2}
.pb-group.is-open>.pb-submenu{display:block}
html:not(.pb-nav-ready) .pb-group:focus-within>.pb-submenu{display:block}
@media(hover:hover){html:not(.pb-nav-ready) .pb-group:hover>.pb-submenu{display:block}}
.pb-navigation a:focus-visible,.pb-toggle:focus-visible{outline:3px solid #7861bf;outline-offset:3px}
@media(max-width:900px){.pb-header{padding:18px 22px}.pb-items{gap:16px}.pb-navigation{gap:16px}}
@media(max-width:650px){.pb-navigation{flex-wrap:wrap;gap:10px}.pb-brand{font-size:17px}.pb-items{width:100%;justify-content:space-between;gap:6px}.pb-contact{display:none}.pb-main-link{font-size:10px}.pb-toggle{width:32px;height:44px}.pb-group #menu-formation{left:auto;right:0}.pb-submenu{left:0;min-width:225px;max-width:calc(100vw - 44px)}.pb-header{padding-top:18px;padding-bottom:8px}}
@media(prefers-reduced-motion:reduce){.pb-toggle svg{transition:none}}