/* ===== NAV ===== */
#nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

#nav-container.is-scrolled {
  background-color: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--text);
  transition: width 0.3s ease;
}

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

.nav-cta-btn {
  font-size: 0.9375rem;
  background-color: var(--accent);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 500;
  transition: transform 0.2s ease;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
}

/* ===== MOBILE TOGGLE ===== */
.nav-toggle {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.nav-toggle-line {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.nav-toggle-line:nth-child(1) {
  top: 0;
}

.nav-toggle-line:nth-child(2) {
  top: 100%;
  transform: translateY(-100%);
}

/* Open state */
#nav-container.is-open .nav-toggle-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

#nav-container.is-open .nav-toggle-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    background-color: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  #nav-container.is-open .nav-menu {
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.5rem;
    font-family: Georgia, 'Times New Roman', serif;
  }
}