/* ============================================================
   CHOOSER: the front door of the site
   ============================================================ */
.chooser-body{
  min-height:100svh;
  display:flex;flex-direction:column;
}
.chooser-main{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  padding:48px var(--gut) 24px;
}
.chooser-brand{
  display:flex;align-items:center;gap:12px;
  margin-bottom:clamp(28px,5vh,56px);
}
.chooser-kick{margin-bottom:14px}
.chooser-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(2.4rem,6vw,4.2rem);
  letter-spacing:-.04em;line-height:.95;
  margin:0 0 16px;
}
.chooser-sub{
  color:var(--paper);
  max-width:52ch;
  margin:0 0 18px;
  font-size:1.05rem;
}
.chooser-svcs{
  font-family:var(--util);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
  margin:0 0 14px;
  line-height:2;
}
.chooser-svcs .d{color:var(--cyan);margin:0 6px;font-size:9px;vertical-align:1px}
.chooser-route{
  color:var(--muted);font-size:.92rem;
  margin:0 0 clamp(30px,5vh,54px);
}

.doors{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(14px,2vw,26px);
  width:100%;max-width:1080px;
}
.door-card{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:26px 18px 24px;
  border:1px solid var(--edge);border-radius:12px;
  background:rgba(23,9,58,.45);
  text-decoration:none;color:var(--paper);
  transition:border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.door-card:hover,.door-card:focus-visible{
  border-color:var(--door);
  transform:translateY(-4px);
  box-shadow:0 14px 44px -18px var(--door);
}

.cdoorway{
  display:block;position:relative;
  width:64px;height:96px;
  border:2px solid var(--door);
  border-radius:6px 6px 0 0;
  background:linear-gradient(180deg, rgba(11,4,32,.2), rgba(11,4,32,.75));
  overflow:hidden;
  perspective:300px;
}
/* behind each door: a glimpse of that door's world */
.door-card[data-door="biotech"] .cdoorway{
  background:
    repeating-linear-gradient(180deg, transparent 0 7px, rgba(30,42,38,.18) 7px 8px),
    #F7F6F1;
  --spill:.28;
}
.door-card[data-door="gaming"] .cdoorway{
  background:
    radial-gradient(1.5px 1.5px at 22% 24%, #2BF0FF 99%, transparent),
    radial-gradient(1.5px 1.5px at 68% 14%, #FF2E88 99%, transparent),
    radial-gradient(1px 1px at 44% 46%, #B6FF3C 99%, transparent),
    radial-gradient(1.5px 1.5px at 80% 60%, #F2E9FF 99%, transparent),
    radial-gradient(1px 1px at 30% 74%, #2BF0FF 99%, transparent),
    radial-gradient(1px 1px at 62% 86%, #FF2E88 99%, transparent),
    #0B0420;
}
.door-card[data-door="saas"] .cdoorway{
  background:
    linear-gradient(0deg, rgba(43,217,238,.5) 0 2px, transparent 2px 100%),
    repeating-linear-gradient(90deg, rgba(76,141,255,.28) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(0deg, rgba(76,141,255,.28) 0 1px, transparent 1px 9px),
    #060A14;
}
.door-card[data-door="business"] .cdoorway{
  background:
    linear-gradient(90deg, transparent 0 9px, rgba(180,85,15,.45) 9px 10px, transparent 10px),
    repeating-linear-gradient(180deg, transparent 0 9px, rgba(180,85,15,.22) 9px 10px),
    #FBF6EE;
  --spill:.28;
}
.door-panel{
  position:absolute;inset:3px;
  border-radius:4px 4px 0 0;
  background:linear-gradient(160deg, color-mix(in srgb, var(--door) 16%, #1B0C44), #0B0420);
  border:1px solid rgba(164,143,201,.3);
  transform-origin:left center;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);
}
.door-panel::after{
  content:"";
  position:absolute;top:46%;right:7px;
  width:5px;height:5px;border-radius:50%;
  background:var(--door);
  box-shadow:0 0 8px var(--door);
}
.cdoorway::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(80% 100% at 50% 100%, var(--door), transparent 72%);
  opacity:0;
  transition:opacity .45s ease;
}
.door-card:hover .door-panel,
.door-card:focus-visible .door-panel{
  transform:rotateY(-52deg);
}
.door-card:hover .cdoorway::before,
.door-card:focus-visible .cdoorway::before{
  opacity:var(--spill,.55);
}

.door-txt{
  display:flex;flex-direction:column;gap:7px;align-items:center;
}
.door-name{
  display:block;
  font-family:var(--display);font-weight:800;
  font-size:clamp(1rem,1.4vw,1.2rem);
  letter-spacing:-.01em;line-height:1.15;
}
.door-hint{
  font-size:.8rem;color:var(--muted);line-height:1.45;
  max-width:24ch;
}

.chooser-skip{margin:clamp(26px,4vh,44px) 0 0}
.chooser-skip a{
  font-family:var(--util);font-size:11px;letter-spacing:.19em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;
  border-bottom:1px solid rgba(164,143,201,.35);
  padding-bottom:3px;
  transition:color .22s ease,border-color .22s ease;
}
.chooser-skip a:hover{color:var(--cyan);border-color:var(--edge-hot)}

.chooser-foot{
  display:flex;justify-content:center;gap:26px;flex-wrap:wrap;
  padding:18px var(--gut) 26px;
  font-family:var(--util);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
.chooser-foot a{color:var(--muted);text-decoration:none}
.chooser-foot a:hover{color:var(--cyan)}

@media (max-width:900px){
  .doors{grid-template-columns:repeat(2,minmax(0,1fr));max-width:560px}
}
@media (max-width:520px){
  .doors{grid-template-columns:1fr;max-width:340px}
  .door-card{flex-direction:row;text-align:left;align-items:center;padding:16px 18px;gap:16px}
  .cdoorway{width:44px;height:66px;flex:0 0 44px}
  .door-name{font-size:1.05rem}
  .door-card .door-hint{max-width:none}
  .door-txt{align-items:flex-start;gap:4px}
}
@media (prefers-reduced-motion: reduce){
  .door-card,.door-panel,.cdoorway::before{transition:none}
}