.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(5, 8, 22, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
  padding: 14px 24px;
  background: rgba(10, 15, 30, 0.88);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--shadow-main);
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  z-index: 1100;
}

.logo img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 12px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.4px;
}

.logo-subtitle {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1.6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 2px;
  border-radius: 50px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: var(--transition);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--white);
  border-radius: 50px;
  transition: var(--transition);
}

.menu-toggle:hover {
  border-color: rgba(34, 197, 94, 0.5);
}

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

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Large Laptop */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 18px;
  }

  .nav-link {
    font-size: 14px;
  }

  .btn-primary {
    padding: 13px 22px;
  }
}

/* Tablet */
@media (max-width: 992px) {
  .navbar {
    padding: 14px 18px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: rgba(8, 12, 28, 0.98);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-main);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 14px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: var(--transition);
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 14px 14px;
    border-radius: 12px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(34, 197, 94, 0.12);
    color: var(--white);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .site-header {
    padding: 14px 0;
  }

  .container {
    width: min(100% - 24px, var(--container-width));
  }

  .navbar {
    min-height: 74px;
    border-radius: 18px;
  }

  .logo img {
    width: 50px;
    height: 50px;
  }

  .logo-title {
    font-size: 1.1rem;
  }

  .logo-subtitle {
    font-size: 0.75rem;
    letter-spacing: 1.2px;
  }
}

/* Small Mobile */
@media (max-width: 576px) {
  .navbar {
    padding: 12px 14px;
    gap: 12px;
  }

  .logo {
    gap: 10px;
  }

  .logo img {
    width: 44px;
    height: 44px;
  }

  .logo-title {
    font-size: 1rem;
  }

  .logo-subtitle {
    font-size: 0.68rem;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
  }
}

/* Extra Small */
@media (max-width: 400px) {
  .logo-text {
    display: none;
  }

  .navbar {
    min-height: 68px;
  }
}