@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500&display=swap');

/* ── Apple-inspired site navigation ── */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2.4rem;
  padding: 0 1.5rem 0 3rem;
  height: 48px;
}

.nav-link {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.01rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: #1d1d1f;
  text-decoration: none;
  transition: color 0.30s ease;
}

.nav-link:hover {
  color: #6e6e73;
}

/* ── Mobile toggle button ── */

.nav-toggle {
  display: none;
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  width: 18px;
  height: 18px;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: #1d1d1f;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Animate to X when open */
.nav-toggle.open span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle.open span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ── Mobile menu ── */

.nav-mobile {
  display: none;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 0 1.25rem;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

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

.nav-mobile a {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: #1d1d1f;
  text-decoration: none;
  padding: 0.6rem 0;
  transition: color 0.25s ease;
}

.nav-mobile a:hover {
  color: #6e6e73;
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .nav-content .nav-link {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}