.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  height: 76px;
  transition: background 0.4s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(15, 31, 22, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  width: var(--wrap);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 76px;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease-out);
}
.nav-logo:hover {
  transform: scale(1.04);
}
.nav-logo img {
  height: 100%;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.1rem;
  font: 600 0.78rem/1 var(--font-sans);
}
.nav-links a {
  position: relative;
  color: var(--color-text-on-dark);
  opacity: 0.82;
  padding-bottom: 0.3rem;
  transition: opacity 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transition: right 0.3s var(--ease-out);
}
.nav-links a:hover {
  opacity: 1;
}
.nav-links a:hover::after {
  right: 0;
}
.nav-cta {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: var(--color-text-on-dark);
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-pill);
  font: 700 0.74rem/1 var(--font-sans);
  transition:
    background 0.25s,
    border-color 0.25s;
}
.nav-cta:hover {
  background: var(--c-white);
  color: var(--color-bg-dark-deep);
  border-color: var(--c-white);
}
.nav-toggle {
  display: none;
  padding: 0.5rem;
  gap: 5px;
  flex-direction: column;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--color-text-on-dark);
  display: block;
  transition:
    transform 0.25s,
    opacity 0.25s,
    background 0.25s;
}
.nav-toggle:hover span {
  background: var(--color-accent);
}
.nav-toggle.is-open span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}
.nav-toggle.is-open span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: var(--z-nav-mobile);
  background: var(--color-bg-dark-deep);
  padding: 7rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}
.nav-mobile.is-open {
  transform: translateX(0);
}
.nav-mobile a {
  font: 500 2rem/1.1 var(--font-serif);
  color: var(--color-text-on-dark);
}
.nav-mobile-cta {
  margin-top: auto !important;
  font: 700 1.05rem/1 var(--font-sans) !important;
  color: var(--c-olive-100) !important;
}

@media (max-width: 760px) {
  .nav {
    height: 66px;
  }
  .nav-logo {
    height: 38px;
  }
  .nav-links,
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}