/* ── Polymorf Landing Page ── */
:root {
  --bg-dark: #0a0a0f;
  --bg-card: rgba(15, 15, 25, 0.85);
  --accent: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(124, 58, 237, 0.25);
  --radius: 12px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.landing {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
}

.landing__header { margin-bottom: 2rem; }

.landing__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, #7c3aed, #a78bfa, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

.landing__subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.landing__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  max-width: 540px;
  backdrop-filter: blur(12px);
  margin-bottom: 2rem;
}

.landing__card h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #c4b5fd;
}

.landing__card p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.landing__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn--primary:hover {
  background: #6d28d9;
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}
.btn--secondary:hover {
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

.landing__footer {
  position: absolute;
  bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}