/* Navigation Bar Styles */
.navbar {
  padding: clamp(0.5rem, 1vw + 0.5rem, 1rem) clamp(1.5rem, 5vw, 5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  box-sizing: border-box;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}
.menu-toggle .bar {
  height: 3px;
  width: 100%;
  background-color: var(--dark);
  border-radius: 10px;
  transition:
    transform 0.3s,
    opacity 0.3s,
    background-color 0.3s;
}
.menu-toggle.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
  background-color: #fff;
}
.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
  background-color: #fff;
}

.navbar-brand {
  color: var(--color-1);
  font-size: 1.6rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand span {
  color: var(--accent); /* Vibrant blue accent */
  font-weight: 800;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 3rem;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: var(--color-1);
  font-weight: 500;
  font-size: 1.05rem;
  transition: all 0.3s;
}
.nav-links a.active,
.nav-links a:hover {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

.btn-contact {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  padding: 0.6rem 1.6rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}
.btn-contact:hover {
  background: var(--accent);
  color: var(--white);
}

/* Responsive Navigation */
@media (max-width: 1024px) {
  .menu-toggle {
    display: flex;
  }

  .btn-contact {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 clamp(2rem, 8vw, 5rem);
    gap: 0;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
  }

  .nav-links li {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transform: translateX(-20px);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }

  .nav-links.active li:nth-child(1) { transform: translateX(0); opacity: 1; transition-delay: 0.05s; }
  .nav-links.active li:nth-child(2) { transform: translateX(0); opacity: 1; transition-delay: 0.1s;  }
  .nav-links.active li:nth-child(3) { transform: translateX(0); opacity: 1; transition-delay: 0.15s; }
  .nav-links.active li:nth-child(4) { transform: translateX(0); opacity: 1; transition-delay: 0.2s;  }

  .nav-links li a {
    display: block;
    font-size: clamp(2.2rem, 7vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -1px;
    color: #ffffff;
    padding: 0.8rem 0;
    transition: color 0.2s;
  }

  .nav-links li a:hover {
    color: var(--accent);
    border-bottom: none;
  }

  /* Contact CTA at bottom of overlay */
  .nav-links::after {
    content: 'JP Wales IT · North Wales';
    position: absolute;
    bottom: 3rem;
    left: clamp(2rem, 8vw, 5rem);
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.25);
    letter-spacing: 1px;
  }
}