.nav-group > .nav-parent {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
  padding: 0;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.nav-group > .nav-parent::after {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  height: 1px;
  background: #fff;
  content: "";
  transform: scaleX(0);
  transition: transform .28s ease;
}

.nav-group:hover > .nav-parent::after { transform: scaleX(1); }

.nav-group .sub-nav {
  display: block;
  top: calc(100% - 7px);
  padding: 12px 0;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%,12px);
  transition: opacity .25s ease, transform .3s ease;
}

.nav-group:hover .sub-nav {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%,0);
}

.subpage-shell {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 680px;
  overflow: hidden;
  background: #15232e;
  color: #fff;
}

.subpage-visual,
.subpage-shade,
.subpage-grid {
  position: absolute;
  inset: 0;
}

.subpage-visual {
  left: 39%;
  overflow: hidden;
  clip-path: inset(0 0 0 14%);
  animation: sub-visual-open 1.35s .15s cubic-bezier(.2,.72,.2,1) both;
}

.subpage-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.08);
  animation: sub-image-settle 5.5s .2s cubic-bezier(.2,.65,.3,1) forwards;
}

.subpage-shade {
  background:
    linear-gradient(90deg, #162530 0%, #162530 36%, rgba(22,37,48,.89) 46%, rgba(22,37,48,.16) 78%),
    linear-gradient(0deg, rgba(9,20,28,.63), transparent 50%);
}

.subpage-grid {
  right: 5vw;
  left: 5vw;
  border-right: 1px solid rgba(255,255,255,.1);
  border-left: 1px solid rgba(255,255,255,.1);
  pointer-events: none;
}

.subpage-grid i {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,.08);
}

.subpage-grid i:nth-child(1) { left: 25%; }
.subpage-grid i:nth-child(2) { left: 50%; }
.subpage-grid i:nth-child(3) { left: 75%; }

.subpage-copy {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 8vw;
  width: min(620px, 45vw);
  transform: translateY(-43%);
}

.subpage-breadcrumb {
  display: flex;
  margin: 0 0 50px;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.44);
  font: 600 9px/1 Arial, sans-serif;
  letter-spacing: .12em;
  opacity: 0;
  animation: sub-copy-up .7s .25s ease forwards;
}

.subpage-breadcrumb b { color: #d8c78f; font-weight: 600; }

.subpage-label {
  display: block;
  color: #d8c78f;
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: .28em;
  opacity: 0;
  animation: sub-copy-up .75s .43s ease forwards;
}

.subpage-copy h1 {
  margin: 20px 0 0;
  color: #fff;
  font-size: clamp(54px, 6.5vw, 110px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.085em;
  opacity: 0;
  animation: sub-copy-up .9s .58s cubic-bezier(.2,.72,.2,1) forwards;
}

.subpage-description {
  margin: 28px 0 0;
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.8;
  opacity: 0;
  animation: sub-copy-up .8s .78s ease forwards;
}

.subpage-status {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 6px 13px;
  margin-top: 42px;
  align-items: center;
  opacity: 0;
  animation: sub-copy-up .8s .96s ease forwards;
}

.subpage-status i {
  grid-row: 1 / 3;
  display: block;
  width: 35px;
  height: 1px;
  background: #d8c78f;
}

.subpage-status span { color: rgba(255,255,255,.8); font: 700 9px Arial, sans-serif; letter-spacing: .15em; }
.subpage-status b { color: rgba(255,255,255,.44); font-size: 10px; font-weight: 400; }

.subpage-home-link {
  display: inline-flex;
  width: 210px;
  margin-top: 38px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.5);
  justify-content: space-between;
  font-size: 12px;
  opacity: 0;
  animation: sub-copy-up .8s 1.12s ease forwards;
}

.subpage-number {
  position: absolute;
  z-index: 2;
  right: 8vw;
  bottom: 48px;
  color: rgba(255,255,255,.52);
  text-align: right;
}

.subpage-number span,
.subpage-number b { display: block; font: 600 8px/1.7 Arial, sans-serif; letter-spacing: .17em; }
.subpage-number b { color: rgba(255,255,255,.25); }

.subpage-footer {
  position: absolute;
  z-index: 2;
  bottom: 46px;
  left: 8vw;
  color: rgba(255,255,255,.28);
  font: 600 8px Arial, sans-serif;
  letter-spacing: .08em;
}

@keyframes sub-visual-open {
  from { opacity: 0; clip-path: inset(0 0 0 62%); transform: scale(1.06); }
  to { opacity: 1; clip-path: inset(0 0 0 14%); transform: scale(1); }
}

@keyframes sub-image-settle { to { transform: scale(1); } }
@keyframes sub-copy-up { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

@media (max-width: 880px) {
  .main-nav {
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }

  .nav-group > .nav-parent {
    height: auto;
    padding: 17px 0 13px;
    border-bottom: 1px solid rgba(255,255,255,.17);
  }

  .nav-group > .nav-parent::after { display: none; }
  .nav-group .sub-nav,
  .nav-group:hover .sub-nav {
    position: static;
    display: block;
    padding: 5px 0 15px;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-group .sub-nav a { padding: 7px 0 7px 13px; text-align: left; }
  .subpage-shell { min-height: 100svh; }
  .subpage-visual { left: 0; clip-path: none; }
  .subpage-shade { background: linear-gradient(0deg,rgba(12,27,37,.95),rgba(12,27,37,.28) 72%),linear-gradient(90deg,rgba(12,27,37,.58),transparent); }
  .subpage-copy { top: auto; right: 25px; bottom: 105px; left: 25px; width: auto; transform: none; }
  .subpage-breadcrumb { margin-bottom: 28px; }
  .subpage-copy h1 { font-size: 55px; }
  .subpage-description { font-size: 12px; }
  .subpage-status { margin-top: 28px; }
  .subpage-number { display: none; }
  .subpage-footer { display: none; }
}