.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  background-color: rgba(36, 32, 30, 0.96);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid rgba(204, 34, 34, 0.2);
  transition:
    background-color var(--duration-base) ease,
    border-color var(--duration-base) ease,
    transform var(--duration-base) var(--ease-out-expo);
}

.nav--scrolled {
  background-color: rgba(30, 26, 24, 0.98);
  border-bottom-color: rgba(204, 34, 34, 0.3);
}

.nav--hidden {
  transform: translateY(-100%);
}

/* Keep nav visible when mobile menu is open */
.nav--open {
  transform: translateY(0) !important;
  background-color: rgba(13, 13, 13, 0.97);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: transparent;
}

.nav__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.nav__logo-wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .nav__logo-img { width: 46px; height: 46px; }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) ease;
}
.nav__link:hover,
.nav__link--active { color: var(--color-text-primary); }

.nav__cta {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

/* ─── Hamburger button ───────────────────────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  transition: border-color var(--duration-fast) ease;
}

.nav__hamburger:hover { border-color: var(--color-metallic-mid); }

.nav__hamburger:focus-visible {
  outline: 2px solid var(--color-accent-red);
  outline-offset: 3px;
}

.nav__hamburger-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition:
    transform 280ms var(--ease-out-expo),
    opacity 180ms ease,
    width 280ms ease;
  transform-origin: center;
}

/* X animation when open */
.nav--open .nav__hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav--open .nav__hamburger-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav--open .nav__hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── Mobile dropdown panel ──────────────────────────────────────────────── */
@media (max-width: 767px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(13, 13, 13, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--container-pad) var(--space-5);
    z-index: 99;
  }

  .nav--open .nav__links {
    display: flex;
  }

  .nav__link {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
    color: var(--color-text-secondary);
  }

  .nav__link:last-of-type {
    border-bottom: none;
  }

  .nav__cta {
    margin-top: var(--space-4);
    text-align: center;
    padding: 0.85rem 1.25rem;
    font-size: 0.9375rem;
  }
}

@media (max-width: 480px) {
  .nav { height: 64px; }
  .nav__logo-wordmark { font-size: 1.3rem; }
}