.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); border-bottom: 1px solid rgba(211,220,226,.9); backdrop-filter: blur(18px); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 24px; position: relative; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; }
.brand-logo { width: 46px; height: 46px; object-fit: contain; filter: brightness(0) saturate(100%); }
.brand-name { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { position: relative; color: var(--graphite); font-size: 13px; font-weight: 650; text-decoration: none; }
.nav a::after { position: absolute; right: 0; bottom: -9px; left: 0; height: 2px; content: ""; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-cta { min-height: 42px; display: inline-flex; align-items: center; padding: 0 18px; background: var(--ink); color: var(--white); font-size: 12px; font-weight: 750; text-decoration: none; transition: background .2s ease, transform .2s ease; }
.header-cta:hover { background: var(--blue); transform: translateY(-1px); }
.mobile-nav-toggle { display: none; min-height: 42px; padding: 0 16px; border: 1px solid var(--ink); background: var(--white); color: var(--ink); font: 700 13px var(--font); cursor: pointer; }
.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: 750 11px var(--font); text-decoration: none; transition: border-color .2s ease, color .2s ease; }
.language-switch:hover { border-color: var(--blue); color: var(--blue); }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 12px; padding: 0 25px; border: 1px solid transparent; font-size: 13px; font-weight: 750; text-decoration: none; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: var(--white); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: var(--neutral-muted); background: transparent; }
.button-secondary:hover { border-color: var(--ink); }

.site-footer { padding: 56px 0 24px; background: var(--ink); color: var(--neutral-muted); }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-bottom: 42px; }
.footer-brand { display: flex; align-items: center; gap: 15px; }
.footer-brand img { width: 46px; height: 46px; object-fit: contain; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand strong { color: var(--white); font-size: 13px; letter-spacing: .05em; text-transform: uppercase; }
.footer-brand span { margin-top: 2px; font-size: 12px; }
.footer-email { color: var(--white); font-size: clamp(17px, 2vw, 23px); font-weight: 600; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.footer-email:hover { color: var(--blue-muted); }
.footer-bottom { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--graphite); font-size: 11px; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: var(--white); }

@media (max-width: 920px) {
    .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; align-items: stretch; gap: 0; padding: 8px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 18px 44px rgba(23,33,43,.14); }
    .nav.is-open a { padding: 13px 14px; }
    .nav.is-open a::after { display: none; }
    .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-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
    .footer-main { padding-bottom: 30px; }
    .footer-bottom { padding: 22px 0 0; }
}