/* Velumetric site — shared tokens (Academia + Intelligence) */
:root {
  --bg: #0a0e1a;
  --bg-elevated: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
  --accent-dim: #0891b2;
  --border: #1f2937;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none !important;
}
.site-nav .brand:hover { text-decoration: none; }
.site-nav .brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 18%;
  border: 1px solid rgba(34, 211, 238, 0.35);
  box-shadow: 0 0 0 1px rgba(8, 145, 178, 0.2);
  flex-shrink: 0;
}
.site-nav .brand-text { color: var(--text); }
.site-nav .brand-text em {
  font-style: normal;
  color: var(--accent);
}

.site-nav .links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-size: 0.92rem;
}

.site-nav .links a {
  color: var(--muted);
  text-decoration: none;
}
.site-nav .links a:hover,
.site-nav .links a.active {
  color: var(--accent);
  text-decoration: none;
}

.site-nav .cta {
  background: var(--accent);
  color: #041016 !important;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none !important;
}
.site-nav .cta:hover { filter: brightness(1.08); }

.page-header {
  padding: 2rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0f172a 0%, var(--bg) 100%);
}

.page-header h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
}
.page-header h1 span { color: var(--accent); }
.page-header .tagline { color: var(--muted); margin: 0; max-width: 42rem; }

main.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.card h2, .card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  min-width: 120px;
}
.stat strong {
  display: block;
  font-size: 1.25rem;
  color: var(--accent);
}
.stat span { font-size: 0.85rem; color: var(--muted); }

.btn {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--accent);
  color: #041016 !important;
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text) !important;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.ok { color: var(--ok); border-color: #065f46; }
.badge.warn { color: var(--warn); border-color: #92400e; }
.badge.danger { color: var(--danger); border-color: #7f1d1d; }

.locked {
  position: relative;
  overflow: hidden;
}
.locked .blur {
  filter: blur(5px);
  user-select: none;
  opacity: 0.55;
}
.locked .lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 26, 0.55);
  padding: 1rem;
  text-align: center;
}

.price-tag {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.price-tag small {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}

.muted { color: var(--muted); }
.tiny { font-size: 0.85rem; }

ul.check {
  margin: 0.75rem 0 1.25rem;
  padding-left: 1.1rem;
}
ul.check li { margin: 0.35rem 0; }

.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (max-width: 640px) {
  .site-nav { gap: 0.5rem; }
  .site-nav .links { width: 100%; }
}

/* Motion & dynamic surfaces */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-live {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.45); }
  50% { opacity: 0.85; box-shadow: 0 0 0 6px rgba(34, 211, 238, 0); }
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.reveal {
  animation: fade-up 0.55s ease both;
}
.reveal-delay-1 { animation-delay: 0.08s; }
.reveal-delay-2 { animation-delay: 0.16s; }
.reveal-delay-3 { animation-delay: 0.24s; }

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 0.4rem;
  animation: pulse-live 1.8s ease-in-out infinite;
}

.card, .access-card, .stat {
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.card:hover, .access-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.45);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.chip:hover { border-color: var(--accent); transform: translateY(-1px); }
.chip.active {
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
}

.collab-panel {
  position: relative;
  overflow: hidden;
}
.collab-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  background-size: 200% 100%;
  animation: shimmer 3.5s linear infinite;
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.score-bar {
  height: 6px;
  border-radius: 999px;
  background: #0b1220;
  overflow: hidden;
  margin-top: 0.65rem;
}
.score-bar > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  transition: width 0.6s ease;
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .live-dot, .collab-panel::before { animation: none; }
  .card:hover, .access-card:hover, .chip:hover { transform: none; }
}