:root {
  --black: #000000;
  --dark-gray: #111111;
  --gold: #d4af37;
  --white: #ffffff;
  --transition: all 0.3s ease;
}

/* Основные стили навбара */
.navbar-black {
  position: fixed;
  width: 100%;
  z-index: 1000;
  font-family: 'Arial', sans-serif;
}

/* Верхний уровень */
.top-nav {
  background-color: var(--black);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.top-nav .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.top-nav-contacts {
  display: flex;
  gap: 20px;
}

.contact-link {
  display: flex;
  align-items: center;
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--gold);
}

.contact-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  margin-right: 8px;
}

/* Основной уровень */
.main-nav {
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 15px 0;
}

.main-nav .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--white);
  font-size: 20px;
  font-weight: 600;
  transition: var(--transition);
}

.logo:hover {
  color: var(--gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 25px;
}

.menu-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  padding: 10px 0;
  transition: var(--transition);
}

.menu-link:hover, .menu-link.active {
  color: var(--gold);
}

.phone-btn {
  display: none;
  align-items: center;
  color: var(--white);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  transition: var(--transition);
}

.phone-btn:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.phone-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--white);
  margin: 4px 0;
  transition: var(--transition);
}

/* Адаптация для мобильных */
@media (max-width: 992px) {
  .top-nav {
    display: none;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 15px;
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-link {
    width: 100%;
    padding: 10px 0;
  }
  
  .phone-btn.mobile-only {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}