:root {
  --bg: #0D0D0F;
  --surface: #151518;
  --surface-alt: #1C1C21;
  --amber: #F59E0B;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --text: #F2F2F0;
  --text-dim: #8A8A94;
  --text-muted: #55555F;
  --border: rgba(242, 242, 240, 0.08);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 100px 80px 100px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 32px;
}

.hero-headline {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 900px;
  margin-bottom: 40px;
}

.hero-headline em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.7;
}

/* SECTION LABELS */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}

/* SIMULATION */
.simulation {
  padding: 120px 80px;
  background: var(--surface);
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sim-text h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.sim-text p {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.sim-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sim-features li {
  font-size: 14px;
  color: var(--text-dim);
  padding-left: 20px;
  position: relative;
}

.sim-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--amber);
}

/* CHAT WINDOW */
.chat-window {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  font-size: 14px;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.chat-meta {
  display: flex;
  flex-direction: column;
}

.chat-name {
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}

.chat-status {
  font-size: 11px;
  color: var(--text-muted);
}

.chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-bubble {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 16px;
  line-height: 1.5;
  font-size: 13px;
}

.chat-bubble.them {
  background: var(--surface);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.you {
  background: var(--amber);
  color: var(--bg);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

/* DEBRIEF */
.debrief {
  padding: 120px 80px;
  background: var(--bg);
}

.debrief-inner {
  max-width: 900px;
}

.debrief-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.debrief-headline {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
}

.debrief-body {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 64px;
  max-width: 500px;
}

.debrief-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.debrief-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.debrief-icon {
  font-size: 28px;
  color: var(--amber);
  margin-bottom: 16px;
  font-family: monospace;
}

.debrief-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.debrief-card p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* PROGRESSION */
.progression {
  padding: 120px 80px;
  background: var(--surface);
}

.progression-inner {
  max-width: 900px;
}

.progression-header {
  margin-bottom: 72px;
}

.progression-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.progression-header p {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 540px;
  line-height: 1.7;
}

.progression-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 64px;
}

.track-level {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.track-level:last-child {
  border-bottom: none;
}

.level-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}

.level-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  background: transparent;
  flex-shrink: 0;
}

.track-level.completed .level-dot {
  background: var(--amber);
  border-color: var(--amber);
}

.track-level.active .level-dot {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-dim);
}

.track-level.locked .level-dot {
  opacity: 0.35;
}

.level-line {
  width: 2px;
  flex: 1;
  min-height: 40px;
  background: var(--border);
  margin-top: 8px;
}

.track-level.completed .level-line {
  background: var(--amber);
  opacity: 0.4;
}

.level-content {
  flex: 1;
}

.level-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.track-level.active .level-label {
  color: var(--amber);
}

.level-content p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
}

.track-level.active .level-content p {
  color: var(--text);
}

.wingman-callout {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}

.wingman-text h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}

.wingman-text p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
  max-width: 500px;
}

/* CLOSING */
.closing {
  padding: 140px 80px 120px;
  background: var(--bg);
}

.closing-inner {
  max-width: 800px;
}

.closing h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 28px;
}

.closing p {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.75;
}

.closing-rule {
  width: 48px;
  height: 2px;
  background: var(--amber);
  margin-top: 56px;
}

/* FOOTER */
footer {
  background: var(--surface);
  padding: 48px 80px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  font-style: italic;
  color: var(--amber);
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 80px 28px 80px; }
  .simulation { padding: 80px 28px; }
  .sim-grid { grid-template-columns: 1fr; gap: 48px; }
  .debrief { padding: 80px 28px; }
  .debrief-grid { grid-template-columns: 1fr; gap: 16px; }
  .debrief-headline { font-size: 40px; }
  .progression { padding: 80px 28px; }
  .closing { padding: 80px 28px; }
  footer { padding: 40px 28px; }
  .footer-inner { flex-direction: column; gap: 20px; align-items: flex-start; }
}