.site-header { position: fixed; z-index: 100; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; min-height: 92px; padding: 1.4rem var(--space-inline); color: var(--color-white); transition: min-height .28s ease, padding .28s ease, color .28s ease, background-color .28s ease, box-shadow .28s ease; }
.site-header.is-scrolled, body:not(.home) .site-header { min-height: 70px; padding-top: .85rem; padding-bottom: .85rem; color: var(--color-ink); background: rgba(244,248,250,.92); box-shadow: 0 12px 30px rgba(5,24,36,.08); backdrop-filter: blur(14px); }
.site-header.is-scrolled .site-navigation, body:not(.home) .site-header .site-navigation { color: var(--color-ink); }
.site-logo { display: block; width: clamp(112px, 11vw, 170px); }
.site-logo img { width: 100%; filter: brightness(0) invert(1); transition: filter .28s ease; }
.site-header.is-scrolled .site-logo img, body:not(.home) .site-header .site-logo img { filter: none; }
.site-navigation ul, .footer-navigation ul { list-style: none; margin: 0; padding: 0; }
.site-navigation > ul, .site-navigation > div > ul { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.6rem); }
.site-navigation a { text-decoration: none; font-size: .72rem; letter-spacing: .08em; }
.site-main { min-height: 70vh; }
.site-footer { padding: 4.5rem var(--space-inline) 2rem; color: rgba(16,38,51,.78); background: #dfe9ed; }
.site-footer__inner { position: relative; max-width: var(--content-width); margin: 0 auto; }
.site-footer__top { position: absolute; top: 0; right: 0; }
.page-top { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; width: 76px; height: 76px; gap: .15rem; color: inherit; border: 1px solid rgba(16,38,51,.28); border-radius: 50%; font-size: .52rem; letter-spacing: .12em; line-height: 1; text-decoration: none; transition: color .2s ease, background-color .2s ease, transform .2s ease; }
.page-top i { order: -1; font-size: 1.05rem; font-style: normal; line-height: 1; }
.page-top:hover, .page-top:focus-visible { color: var(--color-white); background: var(--color-deep); transform: translateY(-3px); }
.site-footer__logo { width: 140px; margin-bottom: 3rem; }
.footer-navigation ul { display: flex; flex-wrap: wrap; gap: 1rem 2rem; }
.site-footer__meta { display: flex; justify-content: space-between; gap: 2rem; margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid rgba(16,38,51,.16); font-size: .72rem; }
.site-footer__copyright { margin: 0; white-space: nowrap; }
.site-footer__legal { display: flex; align-items: center; justify-content: flex-end; gap: 1.5rem; }
.site-footer__legal > a { color: inherit; text-underline-offset: .25em; }