/* AION 2 Steam Launch Stats — shared design system */
:root {
  --bg: #0a0c10;
  --bg-raise: #10141b;
  --surface: #141924;
  --fg: #eef1f7;
  --muted: #8b93a5;
  --border: #232b3a;
  --accent: #f4762a;
  --accent-2: #ffb347;
  --accent-soft: color-mix(in oklch, var(--accent) 16%, transparent);
  --ok: #3fb96f;
  --bad: #e5484d;
  --font-display: 'Space Grotesk Variable', 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Space Grotesk Variable', 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono Variable', 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --radius: 12px;
  --radius-lg: 18px;
  --container: 1120px;
  --gutter: 28px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }
h1 { font-family: var(--font-display); font-size: clamp(40px, 5.6vw, 72px); line-height: 1.04; letter-spacing: -0.02em; margin: 0; font-weight: 700; }
h2 { font-family: var(--font-display); font-size: clamp(28px, 3.6vw, 44px); line-height: 1.1; letter-spacing: -0.015em; margin: 0; font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; margin: 0; }
.lead { font-size: 18px; color: var(--muted); max-width: 60ch; margin: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 16px; }
.meta { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ambient background */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(color-mix(in oklch, var(--fg) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--fg) 4%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 30%, transparent 75%);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none; filter: blur(90px); opacity: 0.5;
  width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 30%, transparent), transparent 65%);
  top: -260px; left: 50%; transform: translateX(-50%);
}

/* nav */
.topnav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topnav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 14px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 17px; font-weight: 700; }
.logo svg { width: 28px; height: 28px; }
.logo small { display: block; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.22em; color: var(--muted); font-weight: 400; }
.topnav nav { display: flex; gap: 26px; align-items: center; }
.topnav nav a { font-size: 14px; color: var(--muted); transition: color .15s; }
.topnav nav a:hover, .topnav nav a[aria-current="page"] { color: var(--fg); }
.topnav nav a[aria-current="page"] { text-shadow: 0 0 18px var(--accent-soft); }
@media (max-width: 720px) { .topnav nav { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius); border: 1px solid transparent; font-size: 15px; font-weight: 600; transition: transform .05s, box-shadow .2s, background .15s, border-color .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #16100a; box-shadow: 0 8px 30px color-mix(in oklch, var(--accent) 35%, transparent); }
.btn-primary:hover { box-shadow: 0 10px 40px color-mix(in oklch, var(--accent) 50%, transparent); }
.btn-primary[disabled] { opacity: .55; box-shadow: none; cursor: default; }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); }

/* layout */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(48px, 8vw, 96px); }
.section + .section { border-top: 1px solid var(--border); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 920px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* cards */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-raise));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: color-mix(in oklch, var(--accent) 45%, var(--border)); transform: translateY(-2px); }
.card-kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.stat-num {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 5vw, 60px); line-height: 1; letter-spacing: -0.02em; font-weight: 700;
}
.stat-num.live { color: var(--accent); text-shadow: 0 0 32px var(--accent-soft); }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 10px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; margin-right: 8px; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-soft); } 50% { opacity: .4; box-shadow: 0 0 0 6px transparent; } }

/* review bar */
.review-bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: color-mix(in oklch, var(--bad) 30%, var(--border)); }
.review-bar .pos { background: linear-gradient(90deg, var(--accent), var(--accent-2)); height: 100%; transition: width .6s ease; }
.review-legend { display: flex; justify-content: space-between; margin-top: 10px; }

/* table */
table.ds-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.ds-table th, table.ds-table td { text-align: left; padding: 11px 12px; border-top: 1px solid var(--border); }
table.ds-table th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
table.ds-table td.num, table.ds-table th.num { text-align: right; }

/* faq */
details.faq { border-top: 1px solid var(--border); }
details.faq:last-of-type { border-bottom: 1px solid var(--border); }
details.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; font-size: 16px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: '+'; font-family: var(--font-mono); color: var(--accent); font-size: 20px; flex: none; }
details.faq[open] summary::after { content: '−'; }
details.faq .faq-a { color: var(--muted); font-size: 15px; padding-bottom: 20px; max-width: 70ch; }

/* number blocks */
.numblock { display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding-block: 22px; border-top: 1px solid var(--border); }
.numblock-n { font-family: var(--font-mono); font-size: 26px; color: var(--accent); font-weight: 700; }
.numblock h3 { font-size: 17px; margin-bottom: 4px; }
.numblock p { margin: 0; color: var(--muted); font-size: 14px; }

/* hero */
.hero { padding-block: clamp(56px, 9vw, 120px) clamp(40px, 6vw, 72px); }
.hero h1 { max-width: 22ch; }
.hero h1 .glow { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { margin-top: 20px; }

/* footer */
.pagefoot { padding-block: 48px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
.pagefoot .row-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.pagefoot nav { display: flex; gap: 20px; flex-wrap: wrap; }
.pagefoot a:hover { color: var(--fg); }
.disclaimer { margin-top: 16px; max-width: 72ch; line-height: 1.6; }

/* chart */
.chart-wrap svg { width: 100%; height: auto; }
.chart-empty { color: var(--muted); font-size: 14px; padding: 44px 0; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius); }

/* comparison bars (peak vs now) */
.cmp-row { margin-block: 18px; }
.cmp-track { height: 22px; border-radius: 8px; background: var(--bg-raise); border: 1px solid var(--border); overflow: hidden; }
.cmp-fill { height: 100%; border-radius: 8px 0 0 8px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .8s ease; }
.cmp-fill.dim { background: color-mix(in oklch, var(--fg) 22%, transparent); }