:root {
  --page: #0d0d0d;
  --surface: #17171a;
  --surface-2: #1e1e22;
  --border: rgba(255,255,255,0.08);
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;

  --blue: #3987e5;   /* CT */
  --orange: #d95926; /* T */
  --aqua: #199e70;
  --yellow: #c98500;
  --magenta: #d55181;
  --violet: #9085e9;

  --gridline: #2c2c2a;
  --baseline: #383835;

  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

/* header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark { color: var(--orange); }
.brand-rest { color: var(--text-primary); }

.main-nav {
  display: flex;
  gap: 24px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
}
.main-nav a:hover { color: var(--text-primary); }

@media (max-width: 760px) {
  .main-nav { display: none; }
}

/* buttons */

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--orange);
  color: #1a0e08;
}
.btn-primary:hover { background: #e86a37; }

.btn-outline {
  border-color: var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--text-secondary); }

.btn-ghost {
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text-primary); }

/* hero */

.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(ellipse at top, rgba(217,89,38,0.12), transparent 60%),
    var(--page);
}
.hero-inner { max-width: 780px; }

.eyebrow {
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  margin: 0 0 20px;
}

.hero-lead {
  color: var(--text-secondary);
  font-size: 1.08rem;
  margin: 0 0 32px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.78rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}

/* sections */

.section { padding: 72px 0; }
.section-alt { background: var(--surface); }

h2 {
  font-size: 1.8rem;
  margin: 0 0 8px;
}

.section-lead {
  color: var(--text-secondary);
  margin: 0 0 40px;
  max-width: 640px;
}

/* flow diagram */

.flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
}
.flow-step {
  flex: 1 1 200px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--orange);
  color: #1a0e08;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.flow-step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.flow-step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.flow-arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 1.4rem;
}
@media (max-width: 760px) {
  .flow-arrow { display: none; }
}

/* cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--blue);
}
.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* stat catalogue cards */

.stat-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.stat-card-wide { grid-column: 1 / -1; }
.stat-card h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  color: var(--blue);
}
.stat-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 640px) {
  .stat-groups { grid-template-columns: 1fr; }
}
.stat-group-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}
.stat-group.derived .stat-group-label {
  color: var(--orange);
  border-color: rgba(217,89,38,0.35);
}
.stat-group ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}
.stat-group ul li { margin-bottom: 4px; }
.stat-group ul li:last-child { margin-bottom: 0; }
.stat-group.derived ul li::marker { color: var(--orange); }
.stat-group:not(.derived) ul li::marker { color: var(--blue); }

/* stat tiles */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.stat-value {
  font-size: 1.7rem;
  font-weight: 700;
}

/* dashboard panels */

.dash-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.panel-wide { grid-column: 1 / -1; }
.panel h3 {
  margin: 0 0 16px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
}
@media (max-width: 760px) {
  .dash-grid { grid-template-columns: 1fr; }
}

.table-scroll { overflow-x: auto; }
.leaderboard {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.leaderboard th, .leaderboard td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gridline);
  font-variant-numeric: tabular-nums;
}
.leaderboard th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.leaderboard tbody tr:last-child td { border-bottom: none; }

.chart { width: 100%; }
.chart svg { width: 100%; height: auto; display: block; }
.chart-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chart-legend i {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

/* chat mock */

.chat-mock {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88rem;
  max-width: 640px;
}
.chat-line { margin: 6px 0; }
.chat-player {
  color: var(--aqua);
  font-weight: 700;
  margin-right: 8px;
}
.chat-msg { color: var(--text-primary); }
.chat-reply {
  color: var(--yellow);
  margin-left: 4px;
}
.command-note {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.command-note code {
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
}

/* cta */

.cta-section { text-align: center; }
.cta-inner p {
  color: var(--text-secondary);
  margin: 12px 0 28px;
}

/* footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 4px 0;
}