.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 24px; position: relative; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-logo { width: 52px; height: 52px; object-fit: contain; filter: brightness(0) saturate(100%); }
.brand-name { font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.nav { display: flex; gap: 32px; }
.nav a { font-size: 14px; font-weight: 600; text-decoration: none; color: #394754; }
.nav a:hover { color: var(--blue); }
.nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 7px; }
.header-cta { padding: 11px 18px; border: 1px solid var(--navy); text-decoration: none; font-size: 13px; font-weight: 700; }
.header-cta:hover { background: var(--navy); color: var(--white); }
.mobile-nav-toggle { display: none; min-height: 42px; padding: 0 16px; border: 1px solid var(--navy); background: var(--white); color: var(--ink); font: 700 13px var(--font); cursor: pointer; }
.mobile-nav-toggle:hover { background: var(--surface); }
.mobile-nav-toggle:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }
.language-switch { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; flex: 0 0 auto; border: 1px solid var(--line); background: var(--white); color: var(--ink); font: 700 12px var(--font); text-decoration: none; cursor: pointer; }
.language-switch:hover { border-color: var(--navy); }
.language-switch:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 24px; font-size: 14px; font-weight: 700; text-decoration: none; border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s; }
.button-primary { background: var(--blue); color: var(--white); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: #aeb8bf; background: transparent; }
.button-secondary:hover { border-color: var(--navy); }

.site-footer { background: #111214; color: #a2a3a6; font-size: 12px; }
.footer-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 38px; height: 38px; object-fit: contain; }
.footer-domain { color: inherit; text-decoration: none; }
.footer-domain:hover { color: var(--white); }

@media (max-width: 900px) {
    .nav { display: none; }
    .mobile-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav.is-open { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: flex; flex-direction: column; gap: 0; padding: 8px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 16px 32px rgba(0,0,0,.12); }
    .nav.is-open a { padding: 12px 14px; }
    .nav.is-open a + a { border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
    .header-cta { display: none; }
}

@media (max-width: 600px) {
    .header-inner { min-height: 68px; }
    .brand-name { display: none; }
    .footer-inner { padding: 22px 0; align-items: flex-start; flex-direction: column; gap: 6px; }
}