/* header.css */
.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  z-index: 1000;
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 0.5rem 2rem;
  background: rgba(10, 12, 11, 0.9);
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.site-header .logo img {
  height: 120px;
  width: auto;
  transition: var(--transition-smooth);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--clr-text);
  border-radius: 2px;
  transition: all 0.3s ease-in-out;
}

/* Hamburger 'X' Animation */
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links a {
  color: var(--clr-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--clr-accent);
}

.header-contact-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

/* Mobile adjustments handled via media query */
@media (max-width: 768px) {
  /* Mobile Menu Overlay */
  .nav-links {
    display: none;
  }

  .nav-links.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--clr-surface);
    padding: 2rem;
    border-bottom: 1px solid var(--clr-glass-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    gap: 1.5rem;
    text-align: center;
  }

  .site-header {
    padding: 0.5rem 1rem;
  }

  .site-header .logo img {
    height: 80px;
  }

  .hamburger {
    display: flex;
  }

  body.no-scroll {
    overflow: hidden;
  }
}