/* =========================================================
   Navbar
   ========================================================= */

.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background var(--dur-med) var(--ease-soft), padding var(--dur-med), border-color var(--dur-med), backdrop-filter var(--dur-med);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  background: rgba(21,16,11,0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-color: var(--line);
  padding-block: 0.75rem;
}

.nav__inner{
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--cream);
}
.brand__mark{ width: 26px; height: 26px; color: var(--copper); border-radius: 7px; overflow: hidden; }
.brand__mark svg, .brand__mark img{ width: 100%; height: 100%; display: block; }

.nav__links{
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2vw, 2.2rem);
  font-family: var(--f-mono);
  font-size: 0.86rem;
}
.nav__links a{
  color: var(--sand);
  position: relative;
  padding-block: 0.2rem;
  transition: color var(--dur-fast);
}
.nav__links a:hover, .nav__links a:focus-visible{ color: var(--cream); }
.nav__links a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -3px;
  height: 1px; background: var(--copper);
  transition: right var(--dur-fast) var(--ease-out);
}
.nav__links a:hover::after{ right: 0; }

.nav__cta{ display: flex; align-items: center; gap: 1rem; }

.lang-switch{
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch__btn{
  background: transparent;
  border: 0;
  color: var(--sand);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-switch__btn:hover{ color: var(--cream); }
.lang-switch__btn.is-active{
  background: var(--copper);
  color: var(--ink);
}
.lang-switch--mobile{
  align-self: flex-start;
  margin-bottom: 0.5rem;
}

.nav__toggle{
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: 10px;
  color: var(--cream);
}
.nav__toggle svg{ width: 18px; height: 18px; }
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;

  background: var(--ink);

  padding: 5.5rem var(--gutter) 2rem;

  flex-direction: column;
  gap: 1.1rem;

  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--f-display);
  font-size: var(--step-3);
  line-height: 1.1;
  color: var(--cream);
  text-decoration: none;
}

.nav__mobile .lang-switch {
  flex-shrink: 0;
  margin-bottom: 0.5rem;
}

.nav__mobile .btn {
  margin-top: 0.8rem;
  align-self: flex-start;
  max-width: 100%;
}

/* Mobile header */
@media (max-width: 860px) {
  .nav__links {
    display: none;
  }

  .nav__cta .btn--ghost {
    display: none;
  }

  .nav__cta .lang-switch {
    display: none;
  }

  .nav__toggle {
    display: inline-flex;
    position: relative;
    z-index: 101;
  }
}

/* Smaller phones */
@media (max-width: 480px) {
  .nav__mobile {
    padding: 5rem 1.25rem 1.5rem;
    gap: 0.9rem;
  }

  .nav__mobile a {
    font-size: clamp(1.7rem, 8vw, 2.2rem);
  }

  .nav__mobile .lang-switch {
    margin-bottom: 0.3rem;
  }

  .nav__mobile .btn {
    width: 100%;
    justify-content: center;
    margin-top: 0.6rem;
  }
}

/* Very small phones */
@media (max-width: 360px) {
  .nav__mobile {
    padding-top: 4.5rem;
    gap: 0.7rem;
  }

  .nav__mobile a {
    font-size: 1.6rem;
  }
}

@media (max-width: 600px) {
  .nav__cta .btn--primary {
    display: none;
  }
  
}