/* ── Nav Links ── */
.nav-pill {
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
  text-decoration: none;
  padding: 4px 0;
  white-space: nowrap;
  transition: color 250ms ease-out;
}
.nav-pill:hover { color: #1E90FF; }
.nav-pill.active { color: #1E90FF; }
.nav-pill:focus-visible { outline: 2px solid #1E90FF; outline-offset: 4px; border-radius: 2px; }

/* ── Mobile nav link ── */
.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #FFFFFFBF;
  text-decoration: none;
  transition: color 300ms ease-out;
}
.nav-link:hover { color: #fff; }
.nav-link:focus-visible { outline: 2px solid #1E90FF; outline-offset: 3px; border-radius: 2px; }

/* ── Contact Button (slide-up fill) ── */
.btn-contact {
  position: relative;
  display: inline-block;
  background: #fff;
  color: #060D18;
  border-radius: 999px;
  overflow: hidden;
  padding: 10px 28px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn-contact-label {
  display: inline-block;
  transform: translateY(0);
  opacity: 1;
  transition: transform 300ms ease, opacity 300ms ease;
}
.btn-contact:hover .btn-contact-label {
  transform: translateY(-200%);
  opacity: 0;
}
.btn-contact-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%; width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1E90FF;
  color: #fff;
  font-weight: 500;
  border-radius: 999px;
  transform: translateY(100%);
  opacity: 0;
  z-index: 10;
  transition: transform 250ms ease-out, opacity 250ms ease-out;
}
.btn-contact:hover .btn-contact-fill {
  transform: translateY(0);
  opacity: 1;
}
.btn-contact:focus-visible { outline: 2px solid #1E90FF; outline-offset: 3px; }

/* ── Scroll-aware header ── */
#site-header {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background 700ms cubic-bezier(0.4, 0, 0.2, 1),
              backdrop-filter 700ms cubic-bezier(0.4, 0, 0.2, 1),
              -webkit-backdrop-filter 700ms cubic-bezier(0.4, 0, 0.2, 1);
}
#site-header.scrolled {
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}

/* ── Mobile Nav Overlay ── */
#mobile-nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(26,79,219,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 10%, rgba(30,144,255,0.09) 0%, transparent 60%),
    #060D18;
  z-index: 48;
  padding: 0;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: opacity 280ms ease-out, visibility 280ms;
  will-change: opacity;
  overflow: hidden;
}
#mobile-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  z-index: 0;
}
#mobile-nav.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
#mobile-nav .mnav-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  padding: 100px 36px 0;
}
#mobile-nav .mnav-link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  text-decoration: none;
  padding: 18px 0;
  border-bottom: 1px solid #FFFFFF0A;
  color: #FFFFFFCC;
  opacity: 0;
  transform: translateY(32px);
  will-change: transform, opacity;
}
#mobile-nav .mnav-link:last-of-type { border-bottom: none; }
.mnav-link-counter {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #1E90FF80;
  line-height: 1;
  align-self: flex-start;
  padding-top: 8px;
  flex-shrink: 0;
  width: 24px;
}
.mnav-link-text {
  font-size: clamp(2.5rem, 10vw, 3.75rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: inherit;
  text-transform: uppercase;
  transition: transform 250ms cubic-bezier(0.22, 1, 0.36, 1);
}
#mobile-nav .mnav-link:hover { color: #1E90FF; border-bottom-color: #1E90FF26; }
#mobile-nav .mnav-link:hover .mnav-link-text { transform: translateX(8px); }
#mobile-nav .mnav-link:not(:hover) .mnav-link-text { transform: translateX(0); }
#mobile-nav .mnav-link:focus-visible {
  outline: 2px solid #1E90FF;
  outline-offset: 4px;
  border-radius: 4px;
  color: #1E90FF;
}
#mobile-nav .mnav-link:active .mnav-link-text {
  transform: translateX(4px);
  transition: transform 100ms ease-out;
}
#mobile-nav .mnav-footer {
  position: relative;
  z-index: 1;
  padding: 32px 36px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateY(20px);
  will-change: transform, opacity;
}
#mobile-nav .btn-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 28px;
}
#mobile-nav .mnav-tagline {
  font-size: 0.75rem;
  font-weight: 400;
  color: #FFFFFF40;
  letter-spacing: 0.04em;
  text-align: center;
}
/* ── Hamburger bars ── */
.hbar {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transform-origin: center;
  transition:
    transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity   250ms ease-out,
    width     300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}
#menu-toggle:active { transform: scale(0.88); }
@keyframes mnav-item-in {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  #mobile-nav .mnav-link,
  #mobile-nav .mnav-footer {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  #mobile-nav .mnav-link-text { transition: none !important; }
  .hbar { transition: none !important; }
}