/* Glass Nav — 655:19348: 1760×76, инсет 80/32, радиус 100, blur 12 */
.nav {
  position: absolute;
  z-index: 20;
  top: clamp(12px, 1.6667vw, 32px);
  left: var(--nav-inset);
  right: var(--nav-inset);
  height: clamp(58px, 3.9583vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-inline-start: clamp(18px, 1.875vw, 36px);
  padding-inline-end: clamp(10px, 0.7292vw, 14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--r-pill);
  background: var(--surface-glass);
  backdrop-filter: blur(var(--blur-nav));
  -webkit-backdrop-filter: blur(var(--blur-nav));
}

.nav__logo {
  font-size: var(--t-logo);
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--gold);
  white-space: nowrap;
}

.nav__panel {
  display: contents;
}

.nav__menu ul {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.0833vw, 40px);
}
.nav__menu a {
  font-size: var(--t-body);
  font-weight: 500;
  color: var(--text-on-dark);
  white-space: nowrap;
  transition: color 240ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav__menu a:hover { color: var(--white); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.0417vw, 20px);
}

.nav__burger { display: none; }

/* ——— планшет и телефон: панель раскрывается ——— */
@media (max-width: 1023px) {
  .nav { padding-inline-end: clamp(10px, 2vw, 18px); }

  .nav__burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border-glass);
    border-radius: var(--r-pill);
    background: transparent;
    cursor: pointer;
  }
  .nav__burger-box { display: grid; gap: 5px; width: 20px; }
  .nav__burger-box span {
    display: block;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 240ms cubic-bezier(0.4, 0, 0.2, 1),
                opacity 240ms cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav__burger[aria-expanded="true"] .nav__burger-box span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger[aria-expanded="true"] .nav__burger-box span:nth-child(2) { opacity: 0; }
  .nav__burger[aria-expanded="true"] .nav__burger-box span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* с JS панель складывается, без JS остаётся раскрытой — заявка не должна зависеть от скрипта */
  .js .nav__panel {
    display: none;
    position: absolute;
    inset-inline: 0;
    top: calc(100% + 10px);
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding: 22px;
    border: 1px solid var(--border-glass);
    border-radius: var(--r-xl);
    background: rgba(24, 29, 36, 0.92);
    backdrop-filter: blur(var(--blur-nav));
    -webkit-backdrop-filter: blur(var(--blur-nav));
  }
  .js .nav__panel[data-open] { display: flex; }
  .nav__menu ul { flex-direction: column; align-items: flex-start; gap: 14px; }
  .nav__menu a { font-size: 18px; }
  .nav__actions { justify-content: flex-start; }
}

@media (min-width: 1024px) {
  .nav__burger { display: none !important; }
}