/* Shared sticky header + footer — same on all pages (ЦехАД31 B2) */
:root {
  --bg: #eef1f4;
  --bg-2: #e2e7ec;
  --panel: #f7f9fb;
  --ink: #12151a;
  --ink-2: #2c333c;
  --mute: #5a6570;
  --steel: #4a5a6a;
  --accent: #c43c1a;
  --line: rgba(18, 21, 26, 0.14);
  --line-strong: rgba(18, 21, 26, 0.28);
  --font-display: "Unbounded", sans-serif;
  --font-body: "Onest", sans-serif;
}

/* Не даём off-canvas меню раздувать документ по ширине (мобильный Safari/Chrome) */
html {
  max-width: 100%;
}
body {
  max-width: 100%;
  overflow-x: hidden;
}

.site-header {
  position: relative;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 200;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  border-bottom: 2px solid var(--ink);
  background: rgba(247, 249, 251, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(18, 21, 26, 0.08);
  opacity: 1;
  transition: opacity 1s ease, box-shadow 0.35s ease;
}
/* После 700px — fixed sticky + fade при простое */
.site-header.is-docked {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 200;
  box-shadow: 0 12px 36px rgba(18, 21, 26, 0.14);
  animation: siteHeaderDockIn 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.site-header.is-docked.is-idle:not(.is-open) {
  opacity: 0.1;
}
@keyframes siteHeaderDockIn {
  from {
    transform: translateY(-100%);
    opacity: 0.4;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .site-header { transition: opacity 0.01s linear; }
  .site-header.is-docked { animation: none; }
}
.site-header .logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.site-header .logo span { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__item { position: relative; }
.nav__top {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.nav a,
.nav__more {
  text-decoration: none;
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
  background: none;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
}
.nav a:hover,
.nav__item:hover > .nav__top > a,
.nav__more:hover {
  color: var(--ink);
}
.nav__more {
  display: inline-flex;
  width: 1.35rem;
  height: 1.35rem;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex: 0 0 auto;
  margin-left: 0.15rem;
  line-height: 0;
}
.nav__more::before {
  content: "";
  display: block;
  box-sizing: border-box;
  width: 0.42rem;
  height: 0.42rem;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__item--sub > .nav__top > a::after {
  content: none;
}
.nav__item.is-open > .nav__top .nav__more::before {
  transform: rotate(225deg) translate(-1px, -1px);
}
@media (min-width: 701px) {
  .nav__item--sub:hover > .nav__top .nav__more::before {
    transform: rotate(225deg) translate(-1px, -1px);
  }
}
.nav__sub {
  list-style: none;
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  transform: translateY(6px);
  min-width: 16rem;
  margin: 0;
  padding: 0.85rem 0 0.45rem;
  background: transparent;
  border: 0;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 50;
}
.nav__sub::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 0.85rem;
}
.nav__sub::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0.85rem;
  bottom: 0;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--accent);
  box-shadow: 0 18px 40px rgba(18, 21, 26, 0.12);
  z-index: -1;
  pointer-events: none;
}
@media (min-width: 701px) and (hover: hover) and (pointer: fine) {
  .nav__item--sub:hover > .nav__sub {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
}
.nav__sub a {
  display: block;
  position: relative;
  z-index: 1;
  padding: 0.7rem 1.05rem;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s, padding-left 0.2s;
}
.nav__sub a:hover {
  color: var(--accent);
  background: rgba(196, 60, 26, 0.05);
  border-left-color: var(--accent);
  padding-left: 1.2rem;
}
.header-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-panel { display: contents; }
.nav-toggle {
  display: none;
  position: relative;
  z-index: 45;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.2s ease, background 0.2s;
}
.site-header.is-open .nav-toggle {
  border-color: var(--accent);
  background: rgba(196, 60, 26, 0.08);
}
.site-header.is-open .nav-toggle span { background: var(--accent); }
.site-header.is-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-scrim { display: none; }

@media (max-width: 700px) {
  .site-header {
    padding: 0.85rem 1.15rem;
    overflow: visible;
  }
  .site-header.is-docked {
    animation: none;
  }
  .site-header.is-open {
    z-index: 220;
  }
  .site-header.is-open:not(.is-docked) {
    position: relative;
  }
  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }
  .nav-toggle { display: inline-flex; }
  .header-cta--bar { display: none !important; }
  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 218;
    background: rgba(18, 21, 26, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  body.nav-open .nav-scrim,
  .site-header.is-open .nav-scrim {
    opacity: 1;
    pointer-events: auto;
  }
  .nav-panel {
    display: flex !important;
    flex-direction: column;
    gap: 1.75rem;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    z-index: 219;
    width: min(86vw, 340px);
    max-width: calc(100% - 2rem);
    height: 100%;
    height: 100dvh;
    margin: 0;
    padding: 5.5rem 1.5rem 2rem;
    background: var(--panel);
    border-left: 2px solid var(--ink);
    box-shadow: -16px 0 40px rgba(18, 21, 26, 0.12);
    transform: translate3d(100%, 0, 0);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.38s;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .nav-panel,
  .site-header.is-open .nav-panel {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }
  .nav {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0 !important;
  }
  .nav__item { border-bottom: 1px solid var(--line); }
  .nav__top { justify-content: space-between; }
  .nav__top > a,
  .nav__item > a {
    display: block;
    flex: 1;
    padding: 1rem 0;
    font-size: 0.9rem !important;
    letter-spacing: 0.08em;
    color: var(--ink-2) !important;
  }
  .nav a:hover { color: var(--accent) !important; }
  .nav__more {
    display: inline-flex !important;
    flex: 0 0 auto;
    width: 2.5rem;
    height: 2.5rem;
    margin-right: -0.35rem;
    pointer-events: auto !important;
  }
  .nav__sub {
    position: static;
    transform: none !important;
    left: auto;
    min-width: 0;
    width: 100%;
    padding: 0 0 0.55rem;
    border: 0;
    box-shadow: none;
    background: transparent;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
  }
  .nav__sub::before,
  .nav__sub::after { display: none; }
  .nav__item.is-open > .nav__sub {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none !important;
  }
  .nav__item:hover > .nav__sub,
  .nav__item:focus-within > .nav__sub {
    transform: none !important;
  }
  .nav__sub a {
    padding: 0.55rem 0 0.55rem 0.85rem;
    white-space: normal;
    font-size: 0.78rem !important;
    border-left: 2px solid rgba(196, 60, 26, 0.35);
    color: var(--mute) !important;
  }
  .nav__sub a:hover {
    padding-left: 1rem;
    color: var(--accent) !important;
    background: transparent;
  }
  .header-cta--drawer {
    display: inline-flex !important;
    align-self: flex-start;
    margin-top: auto;
    padding: 0.85rem 1.2rem;
    border: 1px solid var(--ink);
    background: var(--ink);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 600;
    color: #f7f9fb !important;
    text-decoration: none;
  }
}

@media (min-width: 701px) {
  .header-cta--drawer { display: none !important; }
  .nav-scrim { display: none !important; }
  .nav__more {
    display: inline-flex !important;
    pointer-events: none;
  }
}
@media (min-width: 701px) and (max-width: 980px) {
  .site-header { padding: 0.9rem 1.25rem; }
  .nav { gap: 0.2rem 0.75rem; }
  .nav a { font-size: 0.74rem; letter-spacing: 0.04em; }
}

/* Footer — same structure as homepage */
.site-footer {
  background: var(--ink);
  color: #9aa3ad;
  padding: 2.75rem 0 1.5rem;
  border-top: 3px solid var(--accent);
  margin-top: auto;
}
.site-footer .wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.75rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f7f9fb;
  margin-bottom: 0.55rem;
}
.footer-brand span { color: var(--accent); }
.footer-note {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #8a939e;
  max-width: 22rem;
}
.footer-block h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #f7f9fb;
  margin-bottom: 0.75rem;
}
.footer-block p,
.footer-block a {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #9aa3ad;
  text-decoration: none;
}
.footer-block a:hover { color: #f7f9fb; }
.footer-copy {
  padding-top: 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: #7a8490;
}
.footer-copy a {
  color: #9aa3ad;
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 163, 173, 0.4);
}
.footer-copy a:hover { color: #f7f9fb; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}