@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&display=swap');

/* Robovan  -  dark chapters */
.ms-robovan {
  --ms-bg: #080809;
  --ms-text: #f2f2f5;
  --ms-muted: #9498a8;
  --ms-accent: #b8ff3d;
  --ms-accent-text: #080809;
  --ms-surface: #12121a;
  --ms-border: rgba(184, 255, 61, 0.12);
  --ms-nav-bg: rgba(8, 8, 9, 0.94);
  --ms-display: "Sora", sans-serif;
  --ms-body: "Sora", sans-serif;
  --ms-hotspot-ring: rgba(184, 255, 61, 0.55);
  --ms-hotspot-radius: 0.65rem;
  --ms-hotspot-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  background:
    radial-gradient(circle at 0% 50%, rgba(184, 255, 61, 0.04), transparent 40%),
    var(--ms-bg);
}

.rv-shell {
  display: grid;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  gap: 2rem;
}

@media (min-width: 900px) {
  .rv-shell { grid-template-columns: 260px 1fr; gap: 3rem; }
}

.rv-rail {
  position: sticky;
  top: 4.75rem;
  align-self: start;
  padding: 1.25rem 0;
}

.rv-rail img {
  border-radius: 0.65rem;
  margin-bottom: 1.25rem;
  box-shadow:
    0 0 0 1px var(--ms-border),
    0 20px 48px rgba(0, 0, 0, 0.5);
  animation: rv-rail-glow 5s ease-in-out infinite;
}

@keyframes rv-rail-glow {
  0%, 100% { box-shadow: 0 0 0 1px var(--ms-border), 0 20px 48px rgba(0, 0, 0, 0.5); }
  50% { box-shadow: 0 0 0 1px rgba(184, 255, 61, 0.25), 0 20px 48px rgba(0, 0, 0, 0.5); }
}

.rv-rail .ms-kicker {
  color: var(--ms-accent);
  margin-bottom: 0.5rem;
}

.rv-rail blockquote {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ms-muted);
  font-style: italic;
  line-height: 1.55;
  border-left: 2px solid var(--ms-accent);
  padding-left: 0.85rem;
}

.rv-rail cite {
  display: block;
  margin-top: 0.65rem;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ms-text);
  font-weight: 600;
}

.rv-main { min-width: 0; }

.rv-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--ms-border);
}

.rv-hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  margin: 0 0 0.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.rv-hero p {
  color: var(--ms-muted);
  font-size: 1.05rem;
  max-width: 38rem;
  line-height: 1.6;
}

.rv-main .ms-video {
  margin: 1.5rem 0 2.5rem;
  border-radius: 0.85rem;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.rv-chapters {
  display: grid;
  gap: 0;
}

.rv-chapter {
  padding: 2rem 0;
  border-top: 1px solid var(--ms-border);
  position: relative;
  padding-left: 4rem;
}

.rv-chapter:first-child { border-top: none; }

.rv-ch-num {
  position: absolute;
  left: 0;
  top: 2rem;
  font-family: var(--ms-display);
  color: var(--ms-accent);
  font-size: 2rem;
  font-weight: 800;
  opacity: 0.35;
  line-height: 1;
  transition: opacity 0.3s;
}

.rv-chapter:hover .rv-ch-num { opacity: 1; }

.rv-chapter h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.rv-chapter p {
  margin: 0;
  color: var(--ms-muted);
  font-size: 0.94rem;
  line-height: 1.6;
  max-width: 36rem;
}

.rv-hot {
  padding: 2rem 0;
  border-top: 1px solid var(--ms-border);
}

.rv-hot .ms-hotspot-wrap {
  border: 1px solid var(--ms-border);
  border-radius: 0.65rem;
}

.rv-ui {
  padding: 0 0 2rem;
}

.rv-ui .ms-ui-shot {
  border: 1px solid var(--ms-border);
  border-radius: 0.65rem;
}

.ms-robovan .ms-www {
  padding: 2rem 0;
  border-top: 1px solid var(--ms-border);
}

.ms-robovan .ms-www > div {
  padding: 0.85rem 0;
}

.ms-robovan .ms-signup {
  background: var(--ms-surface);
  border-color: var(--ms-border);
}

.ms-robovan .ms-signup input {
  background: rgba(0, 0, 0, 0.35);
  border-color: var(--ms-border);
}

.ms-robovan .ms-face-block img {
  border-radius: 0.65rem;
  border: 2px solid var(--ms-border);
}

.rv-facts {
  display: grid;
  gap: 0.85rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--ms-border);
}

@media (min-width: 640px) {
  .rv-facts { grid-template-columns: repeat(2, 1fr); }
}

.rv-facts article {
  padding: 1.15rem;
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  border-left: 3px solid var(--ms-accent);
  border-radius: 0.5rem;
}

.rv-facts h3 {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
  color: var(--ms-accent);
}

.rv-facts p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ms-muted);
}

.ms-robovan .ms-columns {
  padding: 1.5rem 0;
}

.ms-robovan .ms-col {
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  border-radius: 0.65rem;
}