.portfolio-navbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: all 0.3s ease;
  font-family: 'Poppins', Arial, sans-serif;
}

.portfolio-navbar .navbar-container {
  max-width: 1110px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.portfolio-navbar .navbar-logo {
  display: flex;
  align-items: center;
  font-weight: 900;
  font-size: 24px;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.portfolio-navbar .navbar-logo img {
  height: 60px;
  width: 60px;
  margin-right: 8px;
}

.portfolio-navbar .navbar-logo:hover,
.portfolio-navbar .navbar-logo:focus {
  color: #ffbd39;
}

.portfolio-navbar .navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  color: #fff;
  transition: color 0.3s ease;
}

.portfolio-navbar .navbar-toggle:hover,
.portfolio-navbar .navbar-toggle:focus {
  color: #ffbd39;
  outline: none;
}

.portfolio-navbar .navbar-toggle .hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: all 0.3s ease;
}

.portfolio-navbar .navbar-toggle .hamburger::before,
.portfolio-navbar .navbar-toggle .hamburger::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: absolute;
  transition: all 0.3s ease;
}

.portfolio-navbar .navbar-toggle .hamburger::before {
  top: -8px;
}

.portfolio-navbar .navbar-toggle .hamburger::after {
  top: 8px;
}

.portfolio-navbar .navbar-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.portfolio-navbar .navbar-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.portfolio-navbar .navbar-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

.portfolio-navbar .navbar-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 20px;
}

.portfolio-navbar .navbar-menu .nav-item {
  position: relative;
}

.portfolio-navbar .navbar-menu .nav-item .nav-link {
  display: block;
  padding: 10px 15px;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  position: relative;
  transition: color 0.3s ease;
}

.portfolio-navbar .navbar-menu .nav-item .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #ffbd39;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.portfolio-navbar .navbar-menu .nav-item .nav-link:hover,
.portfolio-navbar .navbar-menu .nav-item .nav-link:focus,
.portfolio-navbar .navbar-menu .nav-item .nav-link.active {
  color: #ffbd39;
}

.portfolio-navbar .navbar-menu .nav-item .nav-link:hover::after,
.portfolio-navbar .navbar-menu .nav-item .nav-link:focus::after,
.portfolio-navbar .navbar-menu .nav-item .nav-link.active::after {
  width: 100%;
}

.portfolio-navbar.scrolled {
  position: fixed;
  background: #000000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  animation: slideDown 0.3s ease;
}

.portfolio-navbar.scrolled .navbar-container {
  min-height: 70px;
}

.portfolio-navbar.scrolled .navbar-logo img {
  height: 50px;
  width: 50px;
}

.portfolio-navbar.scrolled .navbar-menu .nav-link {
  color: #fff;
}

.portfolio-navbar.scrolled .navbar-menu .nav-link:hover,
.portfolio-navbar.scrolled .navbar-menu .nav-link:focus,
.portfolio-navbar.scrolled .navbar-menu .nav-link.active {
  color: #ffbd39;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@media (max-width: 767.98px) {
  .portfolio-navbar {
    background: #000000;
  }

  .portfolio-navbar .navbar-container {
    padding: 0 20px;
  }

  .portfolio-navbar .navbar-toggle {
    display: block;
    z-index: 1001;
  }

  .portfolio-navbar .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #000000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .portfolio-navbar .navbar-menu.open {
    max-height: 500px;
    padding: 20px 0;
  }

  .portfolio-navbar .navbar-menu .nav-item {
    width: 100%;
    text-align: center;
  }

  .portfolio-navbar .navbar-menu .nav-item .nav-link {
    font-size: 18px;
    padding: 15px 20px;
    display: block;
    border-radius: 0;
  }

  .portfolio-navbar .navbar-menu .nav-item .nav-link::after {
    display: none;
  }

  .portfolio-navbar .navbar-menu .nav-item .nav-link:hover,
  .portfolio-navbar .navbar-menu .nav-item .nav-link:focus,
  .portfolio-navbar .navbar-menu .nav-item .nav-link.active {
    color: #ffbd39;
    background: rgba(255, 189, 57, 0.1);
  }
}