:root {
  --ink: #1e1b4b;
  --ink-deep: #0e0c2a;
  --ink-soft: #312e81;
  --muted: #64748b;
  --accent: #7c3aed;
  --accent-dark: #5b21b6;
  --accent-light: #a855f7;
  --accent-bright: #8b5cf6;
  --hl-warm: #f5b945;
  --hl-pink: #ff7da3;
  --success: #15803d;
  --danger: #b91c1c;
  --bg: #f7f6fc;
  --bg-tint: #f5f3ff;
  --panel: #ffffff;
  --cream: #f4f1ea;
  --paper: #ecead2;
  --border: #e5e7eb;
  --border-soft: #ede9fe;
  --shadow: 0 20px 50px rgba(30, 27, 75, 0.14);
  --shadow-soft: 0 4px 12px rgba(30, 27, 75, 0.06);
  --gradient: linear-gradient(135deg, #1e1b4b 0%, #7c3aed 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2 { font-family: 'Fraunces', Georgia, serif; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); line-height: 1.15; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 0.5rem; }
h3 { font-size: 1.02rem; font-weight: 700; color: var(--ink); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand .x { color: var(--accent); }
.brand-logo {
  height: 40px;
  width: 40px;
  object-fit: contain;
  display: block;
}
.brand-logo-lg {
  height: 96px;
  width: 96px;
  object-fit: contain;
  display: block;
}
.brand-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { font-size: 0.92rem; font-weight: 600; color: var(--ink-soft); }

.container { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.container-narrow { max-width: 640px; margin: 0 auto; padding: 2rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  margin-bottom: 1rem;
}

.card-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-dark); color: white; }
.btn-secondary { background: var(--panel); color: var(--ink); border: 1px solid var(--border); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-danger { background: var(--danger); color: white; }

label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 0.3rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  background: var(--panel);
  color: var(--ink);
  margin-bottom: 1rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.pill {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}
.pill-accent { background: var(--border-soft); color: var(--accent-dark); }
.pill-success { background: rgba(21, 128, 61, 0.10); color: var(--success); }
.pill-warm { background: rgba(245, 185, 69, 0.12); color: #92400e; }
.pill-muted { background: var(--border); color: var(--ink-soft); }

.score-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  width: 100%;
}
.score-bar > div { height: 100%; background: var(--gradient); }

.hero {
  background: var(--gradient);
  color: white;
  padding: 3rem 2rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
}
.hero h1 { color: white; }
.hero .eyebrow { color: rgba(255,255,255,0.7); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 720px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav { flex-direction: column; align-items: flex-start; gap: 0.6rem; padding: 0.9rem 1.2rem; }
  .nav-links { flex-wrap: wrap; gap: 0.8rem 1.1rem; }
  .hero img { max-width: 40vw; height: auto !important; width: auto !important; }
  .container, .container-narrow { padding: 1.2rem; }
}

footer.ix-footer {
  margin-top: 3rem;
  padding: 1.5rem 0 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}
footer.ix-footer .mono { font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; }

.muted { color: var(--muted); font-size: 0.88rem; }
.mono { font-family: 'JetBrains Mono', monospace; }

code, pre {
  font-family: 'JetBrains Mono', monospace;
  background: var(--cream);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.9em;
}
pre { padding: 1rem; overflow-x: auto; }

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}
.strategy-tile {
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  background: var(--panel);
}
.strategy-tile.selected {
  border-color: var(--accent);
  background: var(--border-soft);
}
.strategy-tile h4 { font-weight: 700; margin-bottom: 0.25rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.6rem 0.4rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }

.banner-warn {
  background: rgba(245, 185, 69, 0.12);
  border: 1px solid rgba(245, 185, 69, 0.45);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.banner-info {
  background: var(--border-soft);
  border: 1px solid var(--accent-light);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  color: var(--ink-soft);
}
.banner-ok {
  background: rgba(21, 128, 61, 0.10);
  border: 1px solid rgba(21, 128, 61, 0.35);
  color: var(--success);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.footer-note {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}