:root{
  --glow: 0 0 0 1px var(--line), 0 18px 50px -18px rgba(124,107,255,.55);
}

/* ===== Aurora backdrop ===== */
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 60%),
    radial-gradient(900px 500px at 95% 0%, color-mix(in srgb, var(--accent-2) 24%, transparent), transparent 55%),
    var(--bg);
  background-attachment: fixed;
}

.section{ position: relative; }

/* ===== Hero aurora ===== */
.hero{
  position: relative;
  border-radius: calc(var(--radius) * 1.4);
  background:
    radial-gradient(700px 360px at 25% 10%, color-mix(in srgb, var(--accent) 38%, transparent), transparent 60%),
    radial-gradient(620px 320px at 80% 30%, color-mix(in srgb, var(--accent-2) 30%, transparent), transparent 58%),
    var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:auto -20% -55% -20%; height:70%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent-2) 35%, transparent), transparent);
  filter: blur(40px);
  pointer-events:none;
}
.hero-title{
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(100deg, var(--text), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{ color: var(--prose); }

/* ===== Headings character ===== */
h2, .feature h3, .card h3{
  font-weight: 700;
  letter-spacing: -0.005em;
}
h2{ position: relative; }

/* ===== Facts ===== */
.fact{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease;
}
.fact:hover{ transform: translateY(-3px); box-shadow: var(--glow); }
.fact b{
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== Cards / features ===== */
.card, .feature, .faq-item{
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-2) 60%, transparent), transparent),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.card::before, .feature::before{
  content:""; position:absolute; inset:0;
  border-radius: inherit;
  background: radial-gradient(420px 160px at 50% -30%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  opacity: 0; transition: opacity .3s ease; pointer-events:none;
}
.card, .feature{ position: relative; overflow: hidden; }
.card:hover, .feature:hover{
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--glow);
}
.card:hover::before, .feature:hover::before{ opacity: 1; }

.feature .icon{
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: calc(var(--radius) * .8);
}

/* ===== Buttons ===== */
.btn{ border-radius: calc(var(--radius) * .7); transition: transform .2s ease, box-shadow .25s ease, background .25s ease; }
.btn-primary{
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border: 1px solid transparent;
  box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 60%, transparent), 0 16px 40px -12px var(--accent);
}
.btn-ghost{
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--accent); box-shadow: var(--glow); }

/* ===== Badge ===== */
.badge{
  background: color-mix(in srgb, var(--accent) 16%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  color: var(--text);
  border-radius: 999px;
}

/* ===== Tabs ===== */
.tab{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: all .22s ease;
}
.tab:hover{ border-color: var(--accent); }
.tab.active{
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-color: transparent;
  box-shadow: 0 8px 22px -10px var(--accent);
}

/* ===== Tiles ===== */
.tile{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.tile:hover{
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--glow);
}
.tile.noimg{
  background:
    radial-gradient(300px 140px at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    var(--panel-2);
}
.tile .gp{ color: var(--accent-2); }
.tile .nm{ color: var(--text); font-weight: 600; }

/* ===== Header / FAQ ===== */
.site-header{
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.faq-item:hover{ border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.faq-q{ color: var(--text); font-weight: 600; }
.faq-a{ color: var(--prose); }

/* ===== Table ===== */
.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(--line); }
.table td{ border-bottom: 1px solid var(--line); color: var(--prose); }
.table tr:hover td{ background: color-mix(in srgb, var(--accent) 8%, transparent); }