:root{
  --glass: rgba(20,32,27,0.55);
  --glass-brd: rgba(170,240,209,0.25);
}

body{
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(79,224,168,0.10), transparent 60%),
    radial-gradient(760px 520px at 92% 6%, rgba(79,224,168,0.07), transparent 62%),
    linear-gradient(160deg, var(--bg), var(--panel-2));
  background-attachment: fixed;
}

.section:nth-of-type(even)::before{
  content:"";
  display:block;
  height:1px;
  margin-bottom:-1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  opacity:.5;
}

/* Headings */
.hero-title,
.section h2,
.article h2{
  font-weight:700;
  letter-spacing:-0.01em;
}
.hero-title{
  background: linear-gradient(120deg, var(--text), var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.section h2{ color:var(--text); }
.section h2::after{
  content:"";
  display:block;
  width:54px;
  height:3px;
  margin-top:.5rem;
  border-radius:3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.center h2::after{ margin-left:auto; margin-right:auto; }

/* Frosted glass header */
.site-header{
  background: rgba(20,32,27,0.55);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom:1px solid var(--line);
}

/* Frosted glass panels */
.card,
.feature,
.faq-item,
.hero{
  background: rgba(20,32,27,0.55);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border:1px solid var(--glass-brd);
  border-radius:22px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.card:hover,
.feature:hover{
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 14px 40px rgba(0,0,0,0.45), 0 0 22px rgba(79,224,168,0.18);
}

/* Feature icon */
.feature .icon{
  color:var(--accent);
  border:1px solid var(--glass-brd);
  border-radius:16px;
  background: linear-gradient(150deg, rgba(79,224,168,0.16), rgba(20,32,27,0.4));
  box-shadow: inset 0 1px 0 rgba(170,240,209,0.18);
}

/* Buttons */
.btn{
  border-radius:14px;
  transition: transform .2s ease, box-shadow .25s ease, filter .25s ease;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:var(--on-accent);
  border:none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(79,224,168,0.4), 0 0 26px rgba(79,224,168,0.32);
  filter: brightness(1.05);
}
.btn-ghost{
  background: rgba(20,32,27,0.45);
  backdrop-filter: blur(10px) saturate(1.3);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  border:1px solid var(--glass-brd);
  color:var(--text);
}
.btn-ghost:hover{
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(79,224,168,0.2);
}

/* Badges */
.badge{
  background: rgba(79,224,168,0.12);
  border:1px solid var(--glass-brd);
  border-radius:999px;
  color:var(--accent);
  letter-spacing:.03em;
}

/* Facts */
.fact{
  background: rgba(20,32,27,0.5);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border:1px solid var(--glass-brd);
  border-radius:18px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.fact b{ color:var(--accent); }

/* Tabs */
.tab{
  border:1px solid var(--glass-brd);
  border-radius:12px;
  background: rgba(20,32,27,0.4);
  color:var(--text-2);
  transition: all .22s ease;
}
.tab:hover{ color:var(--text); border-color:var(--accent); }
.tab.active{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:var(--on-accent);
  border-color:transparent;
  box-shadow: 0 0 18px rgba(79,224,168,0.3);
}

/* Catalog tiles */
.tile{
  border:1px solid var(--glass-brd);
  border-radius:18px;
  background: rgba(20,32,27,0.5);
  box-shadow: 0 6px 24px rgba(0,0,0,0.32);
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.tile:hover{
  transform: translateY(-4px) scale(1.012);
  border-color:var(--accent);
  box-shadow: 0 14px 36px rgba(0,0,0,0.45), 0 0 22px rgba(79,224,168,0.22);
}
.tile.noimg{
  background: linear-gradient(150deg, rgba(79,224,168,0.14), rgba(20,32,27,0.6));
}
.tile .nm{ color:var(--text); font-weight:600; }
.tile .gp{ color:var(--accent); letter-spacing:.04em; }

/* FAQ */
.faq-item{ border-radius:18px; }
.faq-q{ color:var(--text); font-weight:600; }
.faq-q:hover{ color:var(--accent); }
.faq-a{ color:var(--prose); }

/* Tables */
.table{
  border:1px solid var(--glass-brd);
  border-radius:16px;
  overflow:hidden;
}
.table th{
  background: rgba(79,224,168,0.12);
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.table td{ border-bottom:1px solid var(--line); color:var(--prose); }

/* Footer hairline */
.site-footer{
  border-top:1px solid var(--line);
  background: linear-gradient(0deg, rgba(20,32,27,0.5), transparent);
}