/* ========================================================================== 
   NAV
   Fixed over the hero, then gains a subtle backdrop after scrolling.
   ========================================================================== */

.site-nav{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  padding: 18px 40px;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-nav.is-scrolled,
.site-nav.menu-open{
  background: rgba(10,13,28,0.88);
  border-bottom-color: rgba(238,241,250,0.10);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-name{
  position: relative;
  z-index: 22;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}

.nav-links{
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a{
  font-size: 0.81rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible{
  color: var(--ink);
}

.nav-links .nav-apply{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--ember);
  color: var(--ember);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.nav-links .nav-apply:hover,
.nav-links .nav-apply:focus-visible{
  background: var(--ember);
  color: var(--bg-deep);
}

.nav-toggle{
  position: relative;
  z-index: 22;
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span{
  position: absolute;
  left: 10px;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.2s ease, top 0.2s ease;
}

.nav-toggle span:first-child{ top: 16px; }
.nav-toggle span:last-child{ top: 25px; }

.site-nav.menu-open .nav-toggle span:first-child{
  top: 21px;
  transform: rotate(45deg);
}

.site-nav.menu-open .nav-toggle span:last-child{
  top: 21px;
  transform: rotate(-45deg);
}

@media (max-width: 920px){
  .site-nav{
    min-height: 70px;
    padding: 14px 22px;
  }

  .nav-toggle{
    display: block;
  }

  .nav-links{
    position: fixed;
    inset: 70px 0 auto 0;
    display: grid;
    gap: 0;
    padding: 12px 22px 26px;
    background: rgba(10,13,28,0.96);
    border-bottom: 1px solid rgba(238,241,250,0.10);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
  }

  .site-nav.menu-open .nav-links{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li{
    border-top: 1px solid rgba(238,241,250,0.08);
  }

  .nav-links li:first-child{
    border-top: 0;
  }

  .nav-links a{
    display: block;
    padding: 14px 2px;
    font-size: 0.95rem;
  }

  .nav-links .nav-apply{
    width: fit-content;
    margin-top: 12px;
    padding: 0 18px;
  }
}