.navbar{
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  min-height: 88px;
  padding: 16px 6%;
  background: rgba(10,31,68,0.97);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.18);
}

.navbar::after{
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #8b0000, transparent);
  animation: redLineMove 2.8s linear infinite;
}

.navbar.scrolled{
  background: rgba(10,31,68,0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.6);
}

.logo{
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.logo img{
  width: auto;
  height: 58px;
  object-fit: contain;
  display: block;
}

.menu{
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.menu a{
  position: relative;
  color: white;
  text-decoration: none;
  font-size: 15px;
  line-height: 1;
  font-weight: 700;
  padding: 12px 10px;
  border-radius: 6px;
  transition: color 0.3s, background 0.3s;
  white-space: nowrap;
}

.menu a:hover,
.menu a.active{
  color: #ffffff;
  background: rgba(139,0,0,0.45);
}

.menu a::after{
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  background: #ffffff;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s;
}

.menu a:hover::after,
.menu a.active::after{
  transform: scaleX(1);
}

.menu-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span{
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 20px;
  transition: transform 0.3s, opacity 0.3s;
}

.navbar.menu-open .menu-toggle span:nth-child(1){
  transform: translateY(7px) rotate(45deg);
}

.navbar.menu-open .menu-toggle span:nth-child(2){
  opacity: 0;
}

.navbar.menu-open .menu-toggle span:nth-child(3){
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1100px){
  .navbar{
    padding: 14px 4%;
    gap: 18px;
  }

  .logo img{
    height: 52px;
  }

  .menu a{
    font-size: 14px;
    padding: 11px 8px;
  }
}

@media (max-width: 860px){
  .navbar{
    min-height: 76px;
    padding: 12px 20px;
    align-items: center;
  }

  .logo img{
    height: 50px;
  }

  .menu-toggle{
    display: flex;
  }

  .menu{
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 16px 20px 18px;
    background: rgba(10,31,68,0.98);
    border-bottom: 3px solid #8b0000;
    box-shadow: 0 18px 30px rgba(0,0,0,0.28);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
  }

  .menu.show,
  .navbar.menu-open .menu{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .menu a{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 10px;
    text-align: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    white-space: normal;
  }

  .menu a::after{
    display: none;
  }
}

@media (max-width: 460px){
  .navbar{
    padding: 10px 14px;
  }

  .logo img{
    height: 44px;
    max-width: 190px;
  }

  .menu{
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .menu a{
    min-height: 42px;
    font-size: 14px;
  }
}