:root{
  --bg1:#070708;
  --bg2:#111114;
  --fg:#f3f3f5;
  --muted:rgba(243,243,245,.72);
  --shadow:rgba(0,0,0,.55);
  --vh:1vh;
}
*{box-sizing:border-box}
html,body{
  margin:0;height:100%;
  background:
    radial-gradient(1200px 700px at 50% 25%, rgba(255,190,90,.18), transparent 60%),
    radial-gradient(900px 600px at 20% 80%, rgba(200,60,60,.14), transparent 60%),
    linear-gradient(180deg,var(--bg1),var(--bg2));
  color:var(--fg);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
}
a{color:inherit}
.page{min-height:calc(var(--vh)*100);display:flex;flex-direction:column}

/* Skip link */
.skip{
  position:absolute;
  left:-9999px;
  top:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:var(--fg);
  padding:10px 12px;
  border-radius:12px;
  text-decoration:none;
}
.skip:focus{left:12px;z-index:999}

/* NAVBAR (no overlap) */
.topbar{
  position:sticky; top:0; z-index:10;
  background:rgba(0,0,0,.62);
  backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:26px;height:26px;border-radius:8px;box-shadow:0 10px 24px rgba(0,0,0,.35)}
.brand strong{letter-spacing:.08em;text-transform:uppercase;font-size:13px}

.nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.nav a{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  padding:7px 10px;
  border-radius:10px;
  transition:transform .16s ease, background-color .16s ease, color .16s ease;
}
.nav a:hover{color:var(--fg);background:rgba(255,255,255,.08);transform:translateY(-1px)}
.nav a[aria-current="page"]{color:var(--fg);background:rgba(255,255,255,.10)}

/* HERO takes remaining viewport height beneath navbar */
.hero{
  position:relative;
  flex:1 1 auto;
  min-height: calc((var(--vh) * 100) - 64px); /* approx nav height */
  display:grid;
  place-items:center;
  overflow:hidden;
}
.hero__image{
  width:100%;
  height:100%;
  object-fit:contain;
  filter:drop-shadow(0 18px 40px var(--shadow));
  animation:glowPulse 6.8s ease-in-out infinite;
  transform:translateZ(0);
}
/* shimmer / flash sweep */
.hero::after{
  content:"";
  position:absolute;
  inset:-25%;
  background:linear-gradient(115deg, transparent 42%, rgba(255,255,255,.18) 50%, transparent 58%);
  transform:translateX(-70%);
  animation:crestFlash 6.5s ease-in-out infinite;
  mix-blend-mode:screen;
  pointer-events:none;
  opacity:0;
}
@keyframes crestFlash{
  0%,55%{transform:translateX(-75%);opacity:0}
  60%{opacity:.55}
  70%{transform:translateX(75%);opacity:.12}
  100%{transform:translateX(75%);opacity:0}
}
@keyframes glowPulse{
  0%,62%,100%{filter:drop-shadow(0 18px 40px var(--shadow))}
  72%{filter:drop-shadow(0 26px 70px rgba(255,220,120,.32))}
  80%{filter:drop-shadow(0 18px 40px var(--shadow))}
}

/* Page content */
.main{max-width:1150px;margin:0 auto;padding:28px 18px 44px}
.section{margin:0 0 34px}
.section h1{margin:0 0 12px;letter-spacing:.03em}
.section h2{margin:18px 0 10px;font-size:16px;letter-spacing:.02em}
.grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}
.card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:16px 16px 14px;
  box-shadow:0 18px 60px rgba(0,0,0,.35);
}
.card p{margin:0;color:var(--muted);line-height:1.55;font-size:14px}
.card a{color:var(--fg);text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.35)}
.card a:hover{border-bottom-color:rgba(255,255,255,.9)}
.list{
  columns:2; column-gap:26px;
}
.list a, .list span{
  display:block;
  break-inside:avoid;
  margin:6px 0;
  color:var(--muted);
  text-decoration:none;
}
.list a:hover{color:var(--fg);text-decoration:underline;text-underline-offset:4px}
.list .group{
  color:rgba(243,243,245,.92);
  margin:14px 0 6px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  font-size:12px;
}

/* UI helpers */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);
  color:var(--fg);
  text-decoration:none;
  font-size:14px;
}
.btn:hover{background:rgba(255,255,255,.12)}
.btn:active{transform:translateY(1px)}

details{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:12px 14px;
  margin:12px 0;
}
details > summary{
  cursor:pointer;
  font-weight:700;
  letter-spacing:.02em;
  outline:none;
}
details[open]{box-shadow:0 18px 60px rgba(0,0,0,.24)}

.embed{
  width:100%;
  aspect-ratio: 16 / 9;
  border:0;
  border-radius:18px;
  overflow:hidden;
  background:rgba(0,0,0,.35);
}

/* Details blocks (for big link hubs) */
details.hub{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:12px 14px;
  margin:12px 0;
}
details.hub > summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
  font-size:12px;
  color:rgba(243,243,245,.92);
}
details.hub > summary::-webkit-details-marker{display:none}
details.hub[open] > summary{margin-bottom:10px}


/* Footer */
.footer{
  padding:14px 18px 20px;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.28);
  color:rgba(243,243,245,.55);
  font-size:12px;
  text-align:center;
}

/* Responsive */
@media(max-width: 900px){
  .grid{grid-template-columns:1fr}
  .list{columns:1}
}

/* Accessibility */
@media (prefers-reduced-motion: reduce){
  .hero::after,.hero__image{animation:none !important}
}

/* ------------------------------
   Crest-style home (index.html)
   ------------------------------ */
body.home-crest{
  background:
    radial-gradient(1200px 720px at 50% 18%, rgba(255,220,140,.38), transparent 60%),
    radial-gradient(900px 650px at 20% 82%, rgba(210,60,60,.22), transparent 60%),
    linear-gradient(180deg, #1a140b 0%, #080706 60%, #060606 100%);
}

.topbar--crest{
  background:linear-gradient(180deg, rgba(0,0,0,.75), rgba(0,0,0,.35));
  border-bottom:1px solid rgba(255,215,140,.12);
}

.brand--crest strong{
  letter-spacing:.14em;
}

.nav--crest a{
  border:1px solid transparent;
}
.nav--crest a:hover{
  border-color:rgba(255,215,140,.22);
}
.nav--crest a[aria-current="page"]{
  background:rgba(255,215,140,.10);
  border-color:rgba(255,215,140,.18);
}

.main--crest{
  max-width:1200px;
  padding:26px 18px 40px;
}

.crest-landing{
  display:grid;
  grid-template-columns: minmax(240px, 520px) 1fr;
  gap:22px;
  align-items:center;
  margin-top:4px;
}

.crest-frame{
  position:relative;
  border-radius:26px;
  padding:14px;
  background:
    radial-gradient(800px 520px at 30% 20%, rgba(255,235,190,.16), transparent 60%),
    linear-gradient(180deg, rgba(255,215,140,.08), rgba(0,0,0,.22));
  border:1px solid rgba(255,215,140,.22);
  box-shadow:
    0 26px 90px rgba(0,0,0,.55),
    inset 0 1px 0 rgba(255,255,255,.10);
  overflow:hidden;
}

.crest-frame::before{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:20px;
  border:1px solid rgba(255,215,140,.18);
  pointer-events:none;
}

.crest-frame::after{
  content:"";
  position:absolute;
  inset:-40%;
  background:linear-gradient(120deg, transparent 45%, rgba(255,255,255,.14) 50%, transparent 55%);
  transform:translateX(-75%);
  animation:crestFlash 7.5s ease-in-out infinite;
  mix-blend-mode:screen;
  pointer-events:none;
  opacity:0;
}

.crest-frame img{
  width:100%;
  height:auto;
  display:block;
  border-radius:18px;
  filter:drop-shadow(0 22px 55px rgba(0,0,0,.60));
}

.crest-actions{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:12px;
}

.ribbon-link{
  display:block;
  text-decoration:none;
  border-radius:18px;
  padding:14px 14px 12px;
  border:1px solid rgba(255,215,140,.22);
  background:
    radial-gradient(800px 220px at 10% 10%, rgba(255,235,190,.14), transparent 55%),
    linear-gradient(180deg, rgba(140,18,24,.78), rgba(60,8,10,.72));
  box-shadow:0 18px 60px rgba(0,0,0,.42);
  transition:transform .16s ease, filter .16s ease, border-color .16s ease;
}
.ribbon-link:hover{
  transform:translateY(-2px);
  filter:saturate(1.05);
  border-color:rgba(255,215,140,.38);
}
.ribbon-link:active{transform:translateY(0)}

.ribbon-link__title{
  display:block;
  font-weight:900;
  letter-spacing:.10em;
  text-transform:uppercase;
  font-size:12px;
  color:rgba(255,245,230,.95);
}

.ribbon-link__desc{
  display:block;
  margin-top:6px;
  color:rgba(255,245,230,.78);
  font-size:13px;
  line-height:1.45;
}

.crest-note{
  grid-column:1 / -1;
  margin:10px 0 0;
  color:rgba(255,245,230,.70);
  max-width:90ch;
  line-height:1.55;
}

@media (max-width: 980px){
  .crest-landing{
    grid-template-columns:1fr;
  }
  .crest-actions{
    grid-template-columns:1fr;
  }
}


/* ===== HOME / INDEX (image-only) ===== */
body.home{
  margin:0;
  background:#000;
}

body.home main.home-hero{
  margin:0;
  padding:0;
}

body.home img.home-crest{
  display:block;
  width:100%;
  height:auto;
}