:root{
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

@keyframes auroraDrift{
  0%{background-position:20% 30%,80% 20%,50% 80%;}
  50%{background-position:30% 40%,70% 30%,55% 70%;}
  100%{background-position:20% 30%,80% 20%,50% 80%;}
}

body{
  background:
    radial-gradient(at 20% 30%, var(--accent) 0, transparent 50%),
    radial-gradient(at 80% 20%, var(--accent-2) 0, transparent 50%),
    radial-gradient(at 50% 80%, color-mix(in srgb, var(--accent) 60%, var(--accent-2)) 0, transparent 50%),
    var(--bg);
  background-attachment:fixed;
  background-size:160% 160%,160% 160%,160% 160%,auto;
  animation:auroraDrift 28s ease-in-out infinite;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:var(--grain);background-size:200px 200px;opacity:.06;mix-blend-mode:overlay;
}

.section{background:transparent;}
.hero{
  background:
    radial-gradient(at 15% 25%, color-mix(in srgb, var(--accent) 40%, transparent) 0, transparent 55%),
    radial-gradient(at 85% 30%, color-mix(in srgb, var(--accent-2) 40%, transparent) 0, transparent 55%);
}

.site-header{
  background:color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);
}

.hero-title,.section>h2,.article h2{
  letter-spacing:.01em;font-weight:700;
  background:linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--text-2);}

.card,.feature,.faq-item,.tile{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  background-size:140% 140%;background-position:50% 50%;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease, background-position .8s ease;
}
.card,.feature{
  background:
    radial-gradient(at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent) 0, transparent 45%),
    var(--panel);
  box-shadow:0 1px 0 color-mix(in srgb, var(--text) 8%, transparent) inset, 0 18px 40px -28px rgba(0,0,0,.7);
}
.card:hover,.feature:hover,.faq-item:hover{
  transform:translateY(-4px);
  border-color:color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow:0 22px 55px -26px color-mix(in srgb, var(--accent) 45%, rgba(0,0,0,.8));
  background-position:30% 30%;
}

.feature .icon{
  color:var(--on-accent);
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius:calc(var(--radius) * .7);
  box-shadow:0 10px 28px -12px color-mix(in srgb, var(--accent) 60%, transparent);
}

.badge{
  background:color-mix(in srgb, var(--accent) 16%, var(--panel));
  border:1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  color:var(--text);
  border-radius:999px;
}

.btn{border-radius:999px;transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;}
.btn-primary{
  background:linear-gradient(100deg, var(--accent), var(--accent-2));
  color:var(--on-accent);border:none;font-weight:700;
  box-shadow:0 14px 34px -14px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 20px 44px -14px color-mix(in srgb, var(--accent-2) 70%, transparent);}
.btn-ghost{
  background:color-mix(in srgb, var(--panel) 70%, transparent);
  border:1px solid var(--line);color:var(--text);backdrop-filter:blur(6px);
}
.btn-ghost:hover{border-color:color-mix(in srgb, var(--accent-2) 60%, var(--line));transform:translateY(-2px);}

.fact{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
}
.fact b{
  background:linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.tab{
  background:color-mix(in srgb, var(--panel) 75%, transparent);
  border:1px solid var(--line);border-radius:999px;color:var(--text-2);transition:all .25s ease;
}
.tab:hover{color:var(--text);border-color:color-mix(in srgb, var(--accent) 45%, var(--line));}
.tab.active{
  background:linear-gradient(100deg, var(--accent), var(--accent-2));
  color:var(--on-accent);border-color:transparent;font-weight:700;
}

.tile{position:relative;overflow:hidden;}
.tile::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--bg) 85%, transparent) 100%);
  opacity:.7;transition:opacity .35s ease;
}
.tile:hover{transform:translateY(-4px);border-color:color-mix(in srgb, var(--accent-2) 55%, var(--line));}
.tile:hover::after{opacity:.4;}
.tile.noimg{
  background:
    radial-gradient(at 25% 20%, color-mix(in srgb, var(--accent) 30%, transparent) 0, transparent 60%),
    radial-gradient(at 80% 80%, color-mix(in srgb, var(--accent-2) 28%, transparent) 0, transparent 60%),
    var(--panel-2);
}
.tile .gp{color:var(--text-2);}
.tile .nm{color:var(--text);font-weight:600;}

.faq-item{background:var(--panel);}
.faq-q{color:var(--text);font-weight:600;}
.faq-a{color:var(--prose);}

.table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.table th{
  background:color-mix(in srgb, var(--accent) 14%, var(--panel-2));
  color:var(--text);border-bottom:1px solid var(--line);
}
.table td{border-bottom:1px solid var(--line);color:var(--prose);}
.table tr:hover td{background:color-mix(in srgb, var(--accent) 7%, transparent);}

.site-footer{border-top:1px solid var(--line);background:color-mix(in srgb, var(--panel) 60%, transparent);}