/* ═══════════════════════════════════════════════════════════════════
   Nav
   ═══════════════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 220ms var(--ease-std), backdrop-filter 220ms var(--ease-std), border-color 220ms var(--ease-std);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom-color: var(--line-1);
}

.nav__inner {
  max-width: var(--maxw);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav__logo img {
  height: 20px;
  width: auto;
  opacity: 0.95;
}

.nav__links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 28px;
  flex: 1;
}
.nav__links a {
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-body);
  letter-spacing: -0.005em;
  transition: color 160ms var(--ease-std);
}
.nav__links a:hover { color: var(--text-heading); }

.nav__right { display: flex; align-items: center; gap: 16px; }
.nav__lang {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}
.nav__cta {
  padding: 8px 14px;
  background: #fff;
  color: #000;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: transform 180ms var(--ease-std), background 180ms var(--ease-std);
}
.nav__cta:hover { background: #f0f0f0; color: #000; transform: translateY(-1px); }

.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 9px 8px;
  margin-left: auto;
  cursor: pointer;
  border-radius: 6px;
  position: relative;
}
.nav__toggle:hover { background: rgba(255,255,255,0.04); }
.nav__toggle:focus-visible { outline: 1px solid var(--line-3); outline-offset: 2px; }
.nav__toggle span {
  display: block;
  height: 1.5px;
  background: var(--text-heading);
  border-radius: 1px;
  transform-origin: center;
  transition: transform 220ms var(--ease-std), opacity 180ms var(--ease-std);
}
.nav__toggle span + span { margin-top: 5px; }

@media (max-width: 900px) {
  .nav__inner { gap: 12px; padding: 0 20px; }
  .nav__toggle { display: block; }
  .nav__right { margin-left: auto; gap: 10px; }
  .nav__cta { padding: 7px 12px; font-size: 12.5px; }

  .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #050505;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 18px 20px 24px;
    gap: 0;
    border-bottom: 1px solid var(--line-1);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform 220ms var(--ease-std), opacity 180ms var(--ease-std), visibility 0s linear 220ms;
  }
  .nav__links li {
    padding: 0;
    border-bottom: 1px solid var(--line-1);
  }
  .nav__links li:last-child { border-bottom: 0; }
  .nav__links a {
    display: block;
    font-size: 16px;
    padding: 14px 4px;
    color: var(--text-heading);
  }

  .nav[data-menu-open="true"] .nav__links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform 220ms var(--ease-std), opacity 180ms var(--ease-std), visibility 0s;
  }
  .nav[data-menu-open="true"] .nav__toggle span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav[data-menu-open="true"] .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav[data-menu-open="true"] .nav__toggle span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  /* Make sure scrolled glass extends across the open drawer */
  .nav[data-menu-open="true"] {
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom-color: var(--line-1);
  }
}

@media (max-width: 420px) {
  .nav__cta { display: none; }
}