:root {
  --bg: #08111f;
  --panel: rgba(19, 35, 58, 0.92);
  --panel-2: rgba(12, 22, 37, 0.92);
  --text: #eaf2ff;
  --muted: #9ab0cf;
  --accent: #4dd2ff;
  --accent-2: #7c5cff;
  --border: rgba(255,255,255,0.09);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  --success: #3fb950;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(77,210,255,0.12), transparent 30%),
    linear-gradient(180deg, #06101c 0%, #0a1526 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.sim-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(8, 17, 31, 0.78);
  border-bottom: 1px solid var(--border);
}

.sim-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.sim-header .sim-shell {
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sim-brand {
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.sim-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sim-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
}

.sim-nav a:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255,255,255,0.04);
}

.sim-main {
  padding: 42px 0 72px;
}

.hero,
.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero h1,
.section-head h2 {
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.05;
}

.hero-text {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-actions,
.room-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-stat {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

.stat-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.panel {
  margin-top: 24px;
  padding: 28px;
}

.section-head {
  margin-bottom: 18px;
}

.path-grid,
.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.path-card,
.flow-card {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.path-tag {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.path-card h3,
.flow-card h3,
.room-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.path-card p,
.flow-card p,
.room-copy p,
.room-list {
  color: var(--muted);
  line-height: 1.7;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(124,92,255,0.34);
  background: rgba(124,92,255,0.14);
  color: #e8ddff;
  font-size: 0.88rem;
  font-weight: 700;
}

.room-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.room-list {
  margin: 14px 0 0;
  padding-left: 20px;
}

.flow-step {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(77,210,255,0.14);
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, opacity 0.2s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #3eb8ff);
  color: #05111f;
}

.btn-secondary {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
  color: var(--text);
}

.sim-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 40px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .hero,
  .room-card,
  .path-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .sim-header .sim-shell {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 26px 20px;
  }

  .panel {
    padding: 22px 18px;
  }

  .hero-actions,
  .room-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}