.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  height: var(--header-h);
  color: #fff;
  transition:
    background-color 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease;
}

.header.is-scrolled,
body.menu-open .header {
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
}

.header.is-scrolled .logo__accent,
body.menu-open .header .logo__accent {
  color: var(--amber-600);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header__cta .btn {
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
}

.header__phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
}

.header__phone svg {
  width: 16px;
  height: 16px;
  color: var(--amber);
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  opacity: 0.88;
  transition:
    opacity 0.2s,
    background-color 0.2s;
}

.nav a:hover,
.nav a.is-active {
  opacity: 1;
  background: rgba(127, 140, 160, 0.16);
}

.burger {
  position: relative;
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 12px;
  background: rgba(127, 140, 160, 0.18);
  cursor: pointer;
}

.burger span {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition:
    transform 0.25s ease,
    opacity 0.2s ease,
    top 0.25s ease;
}

.burger span:nth-child(1) {
  top: 16px;
}

.burger span:nth-child(2) {
  top: 22px;
}

.burger span:nth-child(3) {
  top: 28px;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 49;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px var(--gutter) calc(28px + env(safe-area-inset-bottom));
  overflow-y: auto;
  background: #fff;
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    transform 0.25s ease,
    opacity 0.25s ease,
    visibility 0.25s;
}

body.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.mobile-menu__link {
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 700;
}

.mobile-menu__bottom {
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
}

.footer {
  padding-block: clamp(40px, 6vw, 64px) calc(28px + env(safe-area-inset-bottom));
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.footer .logo {
  color: #fff;
}

.footer__about {
  max-width: 380px;
  margin-top: 16px;
}

.footer h4 {
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}

.footer li + li {
  margin-top: 10px;
}

.footer a:hover {
  color: var(--amber);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.call-bar {
  display: none;
}

.to-top {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(20px + env(safe-area-inset-bottom));
  z-index: 40;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 50%;
  background: var(--navy-800);
  color: #fff;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 0.25s,
    transform 0.25s,
    visibility 0.25s,
    background-color 0.2s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--navy-600);
}

.to-top svg {
  width: 20px;
  height: 20px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(28px + env(safe-area-inset-bottom));
  z-index: 60;
  max-width: calc(100vw - 32px);
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--navy-800);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 20px);
  transition:
    opacity 0.25s,
    transform 0.25s,
    visibility 0.25s;
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}