.site-header { position: fixed; z-index: 80; inset: 0 0 auto; height: 76px; display: flex; align-items: center; gap: 2rem; padding: 0 var(--gutter); background: linear-gradient(to bottom, rgba(10,10,9,.86), rgba(10,10,9,0)); transition: background var(--duration-normal) ease, border-color var(--duration-normal) ease; }
.site-header.is-solid { background: rgba(10,10,9,.9); border-bottom: 1px solid var(--color-line); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: baseline; gap: .32em; margin-right: auto; font-family: var(--font-display); font-size: 1.45rem; line-height: 1; white-space: nowrap; }
.brand em { color: var(--color-muted); font-style: italic; }
.desktop-nav { display: flex; align-items: center; gap: clamp(1.3rem, 2.2vw, 2.5rem); }
.desktop-nav a, .sound-toggle, .menu-toggle { position: relative; border: 0; background: none; padding: .45rem 0; font-size: .67rem; letter-spacing: .16em; text-transform: uppercase; color: var(--color-muted); }
.desktop-nav a::before { content: ""; position: absolute; left: -.72rem; top: 50%; width: 4px; height: 4px; border-radius: 50%; background: var(--color-accent); opacity: 0; transform: translate(-4px,-50%); transition: opacity var(--duration-fast) ease, transform var(--duration-normal) var(--ease-out); }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--color-text); }
.desktop-nav a:hover::before, .desktop-nav a.is-active::before { opacity: 1; transform: translate(0,-50%); }
.desktop-nav .nav-inquire { color: var(--color-text); }
.header-tools { display: flex; align-items: center; gap: 1.25rem; }
.sound-toggle { display: flex; align-items: center; gap: .45rem; }
.sound-dot { width: 5px; height: 5px; border-radius: 50%; border: 1px solid currentColor; }
.sound-toggle.is-playing { color: var(--color-text); }
.sound-toggle.is-playing .sound-dot { border-color: var(--color-accent); background: var(--color-accent); box-shadow: 0 0 0 4px rgba(94,123,116,.12); }
.menu-toggle { display: none; color: var(--color-text); }

.mobile-menu { position: fixed; z-index: 70; inset: 0; background: rgba(10,10,9,.985); }
.mobile-menu[hidden] { display: none; }
.mobile-menu__inner { min-height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 7rem var(--gutter) 3rem; }
.mobile-menu a { display: flex; align-items: baseline; justify-content: space-between; padding: .42rem 0; border-bottom: 1px solid var(--color-line); font-family: var(--font-display); font-size: clamp(3.2rem, 13vw, 7rem); line-height: .95; }
.mobile-menu small { font-family: var(--font-ui); font-size: .62rem; letter-spacing: .15em; color: var(--color-muted); }

.text-link { display: inline-flex; align-items: center; gap: .7rem; padding-bottom: .38rem; border-bottom: 1px solid var(--color-line-strong); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; }
.text-link span { transition: transform var(--duration-normal) var(--ease-out); }
.text-link:hover span { transform: translate(4px,-2px); }
.text-link--accent { border-color: var(--color-accent); }

.large-link { display: flex; justify-content: space-between; align-items: baseline; gap: 2rem; padding: 1.25rem 0; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); font-family: var(--font-display); font-size: clamp(2.3rem, 5vw, 5.5rem); line-height: .95; }
.large-link span:last-child { color: var(--color-accent); transition: transform var(--duration-normal) var(--ease-out); }
.large-link:hover span:last-child { transform: translate(6px,-6px); }

.site-footer { width: min(100%, var(--content-wide)); margin: var(--space-7) auto 0; padding: 2.5rem var(--gutter) 3rem; border-top: 1px solid var(--color-line); display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 2rem; align-items: end; color: var(--color-muted); font-size: .7rem; }
.footer-mark { font-family: var(--font-display); font-size: 1.5rem; color: var(--color-text); }
.footer-mark em { color: var(--color-muted); }
.site-footer p { margin: .6rem 0 0; }
.footer-links { display: flex; flex-direction: column; gap: .35rem; }
.footer-links a:hover { color: var(--color-text); }
.footer-copy { text-align: right; }

.image-placeholder { width: 100%; min-height: 420px; display: grid; place-items: center; background: radial-gradient(circle at 70% 20%, rgba(94,123,116,.14), transparent 28%), linear-gradient(145deg, #14130f, #080807); border: 1px solid var(--color-line); }
.image-placeholder span { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 3rem); color: var(--color-muted); }

.empty-state { min-height: 44vh; display: flex; flex-direction: column; justify-content: center; max-width: 720px; padding-block: var(--space-6); }
.empty-state h2 { margin-bottom: 1rem; font-size: clamp(2.8rem, 6vw, 6rem); line-height: .95; }
.empty-state p:not(.meta-label) { color: var(--color-muted); }

@media (max-width: 920px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .sound-toggle span:last-child { display: none; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-copy { grid-column: 1 / -1; text-align: left; }
}