/* подвал и стрелка наверх, общие для всех страниц */
/* подвал */
.site-footer { position: relative; z-index: 1; padding: clamp(60px, 7vw, 110px) var(--pad) 0 var(--pad); overflow: clip; border-top: 1px solid var(--line); }
.foot-top { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: start; }
.foot-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.foot-nav a, .foot-legal a { text-decoration: none; font-size: 15px; color: color-mix(in srgb, var(--color-text) 86%, transparent); transition: color .25s; }
.foot-nav a:hover, .foot-legal a:hover { color: var(--color-text); }
.foot-legal { display: grid; gap: 8px; justify-items: end; }
.foot-top .mono { color: var(--color-text-muted); text-align: center; }
.foot-echo { margin: clamp(36px, 5vw, 80px) 0 0; font-family: var(--ff-display); font-weight: var(--fw-display); font-synthesis: none; font-size: clamp(44px, 11.4vw, 230px); line-height: .78; letter-spacing: -.02em; white-space: nowrap; color: color-mix(in srgb, var(--color-text) 9%, transparent); transform: translateY(16%); user-select: none; }

.to-top { position: fixed; z-index: 60; right: var(--pad); bottom: 24px; width: 48px; height: 48px; border: 1px solid var(--color-border-strong); background: color-mix(in srgb, var(--color-background) 80%, transparent); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .4s, transform .5s var(--ease-out), border-color .3s; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.to-top::before { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 12px; border-left: 2px solid var(--color-text); border-top: 2px solid var(--color-text); transform: translate(-50%, -30%) rotate(45deg); }
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { border-color: var(--light-gold); }

@media (max-width: 900px) {
  .foot-top { grid-template-columns: 1fr; }
  .foot-legal { justify-items: start; }
  .foot-top .mono { text-align: left; }
  .to-top { width: 42px; height: 42px; bottom: 16px; right: 12px; }
}