:root{
  --shadow-soft: 0 1px 0 var(--line), 0 18px 40px -28px rgba(0,0,0,.9);
}

/* ===== Base canvas — deep onyx with the faintest charcoal wash ===== */
body{
  background:
    radial-gradient(120% 80% at 50% -10%, var(--panel) 0%, transparent 60%),
    var(--bg);
}

.section:nth-of-type(even){
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--panel) 40%, transparent));
}

/* ===== Headings — ivory Bodoni with calm, generous tracking ===== */
.hero-title,h1,h2,h3{
  color: var(--text);
  font-weight: 600;
  letter-spacing: .03em;
}
.hero-title{ letter-spacing: .04em; }
h2{
  letter-spacing: .025em;
}
/* hairline rule under section headings — a single 24k stroke */
.section h2::after{
  content:"";
  display:block;
  width: 64px;
  height: 1px;
  margin-top: .6rem;
  background: var(--accent);
}
.muted,.hero-sub{ color: var(--text-2); }

/* ===== Hero — big calm imagery, brown-gold hairline frame ===== */
.hero{
  background:
    radial-gradient(80% 60% at 50% 0%, color-mix(in srgb, var(--panel-2) 60%, transparent), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.fact{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .5s ease;
}
.fact:hover{ border-color: var(--accent); }
.fact b{ color: var(--accent); }

/* ===== Header — onyx bar with a thin gold seam ===== */
.site-header{
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

/* ===== Cards / features — charcoal panels, controlled opulence ===== */
.card,.feature,.faq-item{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color .5s ease, box-shadow .5s ease, transform .5s ease;
}
.card:hover,.feature:hover{
  border-color: var(--accent);
  transform: translateY(-2px);
}
/* top gold hairline reveal on hover */
.card,.feature{ position: relative; }
.card::before,.feature::before{
  content:"";
  position:absolute; top:0; left:0; right:0;
  height:1px;
  background: var(--accent);
  opacity:0;
  transition: opacity .5s ease;
}
.card:hover::before,.feature:hover::before{ opacity:1; }

.feature .icon{
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}

/* ===== Buttons — outlined 24k CTA, no glow ===== */
.btn{
  border-radius: var(--radius);
  letter-spacing: .04em;
  transition: background .45s ease, color .45s ease, border-color .45s ease;
}
.btn-primary{
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid var(--accent);
}
.btn-primary:hover{
  background: transparent;
  color: var(--accent);
}
.btn-ghost{
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* ===== Badges — quiet gold mark ===== */
.badge{
  background: var(--panel-2);
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ===== Tiles — calm imagery, gold edge on hover ===== */
.tile{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .5s ease, transform .5s ease;
}
.tile:hover{ border-color: var(--accent); transform: translateY(-2px); }
.tile .nm{ color: var(--text); letter-spacing: .02em; }
.tile .gp{ color: var(--accent); }
.tile.noimg{
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
}

/* ===== Tabs — underlined gold active state ===== */
.tab{
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-2);
  transition: color .4s ease, border-color .4s ease;
}
.tab:hover{ color: var(--text); }
.tab.active{
  color: var(--accent);
  border-color: var(--accent);
}

/* ===== Article & tables ===== */
.article{ color: var(--prose); }
.article h2{ color: var(--text); }
.table{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th{
  background: var(--panel-2);
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  letter-spacing: .03em;
}
.table td{ border-bottom: 1px solid var(--line); color: var(--prose); }

/* ===== FAQ ===== */
.faq-q{ color: var(--text); letter-spacing: .02em; }
.faq-a{ color: var(--prose); }
.faq-item:hover{ border-color: var(--accent); }

/* ===== Slow fade-in reveals — no blur, no glow ===== */
@keyframes onyxFade{
  from{ opacity:0; transform: translateY(12px); }
  to{ opacity:1; transform: none; }
}
.card,.feature,.fact,.tile{
  animation: onyxFade .8s ease both;
}

/* ===== Footer seam ===== */
.site-footer{
  border-top: 1px solid var(--line);
  background: var(--bg);
}