:root{
  --glow: 0 0 0 1px var(--line), 0 18px 50px -20px rgba(124,107,255,.45);
}

/* ===== Aurora backdrop ===== */
body{
  background:
    radial-gradient(60% 40% at 15% -5%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(55% 45% at 90% 0%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 62%),
    var(--bg);
  background-attachment: fixed;
}

.section{
  background:
    radial-gradient(120% 60% at 50% -10%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 70%);
}

/* ===== Hero aurora ===== */
.hero{
  position: relative;
  background:
    radial-gradient(45% 55% at 20% 10%, color-mix(in srgb, var(--accent) 38%, transparent), transparent 60%),
    radial-gradient(40% 50% at 85% 20%, color-mix(in srgb, var(--accent-2) 30%, transparent), transparent 62%),
    radial-gradient(60% 70% at 50% 120%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    linear-gradient(180deg, var(--panel), var(--bg));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 1.4);
  overflow: hidden;
}
.hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(80% 50% at 50% 0%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 60%);
  mix-blend-mode: screen;
}

/* ===== Headings ===== */
.hero-title{
  letter-spacing: -0.02em; font-weight: 700;
  background: linear-gradient(100deg, var(--text), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section h2, .article h2{
  letter-spacing: -0.01em; font-weight: 700;
}
.article h2{
  padding-left: .7rem;
  border-left: 3px solid var(--accent);
}

/* ===== Facts ===== */
.fact{
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
}
.fact b{ color: var(--accent-2); }

/* ===== Cards & features ===== */
.card, .feature{
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover, .feature:hover{
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--glow);
}
.feature .icon{
  color: var(--accent);
  background: radial-gradient(120% 120% at 30% 20%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  border-radius: calc(var(--radius) * .8);
}

/* ===== Buttons ===== */
.btn{ border-radius: calc(var(--radius) * .9); transition: transform .2s ease, box-shadow .25s ease, filter .2s ease; }
.btn-primary{
  background: linear-gradient(120deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2)));
  color: var(--on-accent); border: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 16px 40px -14px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn-ghost{ background: transparent; 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) 14%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  color: var(--text); border-radius: 999px;
}

/* ===== Tabs ===== */
.tab{
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; transition: all .2s 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;
}

/* ===== Tiles ===== */
.tile{
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.tile:hover{
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--glow);
}
.tile .gp{ color: var(--accent-2); }
.tile.noimg{
  background:
    radial-gradient(80% 60% at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 65%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
}
.tile.noimg .nm{ color: var(--text); }

/* ===== Table ===== */
.table{ border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th{ background: var(--panel-2); color: var(--accent-2); }
.table tr:hover td{ background: color-mix(in srgb, var(--accent) 8%, transparent); }

/* ===== FAQ ===== */
.faq-item{
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{ border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); box-shadow: var(--glow); }
.faq-q{ color: var(--text); }
.faq-q::after{ color: var(--accent); }

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