:root {
  --bg: #0a0a0f;
  --bg-alt: #0f0f18;
  --fg: #f5f0eb;
  --fg-muted: #9a948e;
  --accent: #ff5500;
  --accent-dim: rgba(255, 85, 0, 0.12);
  --border: rgba(245, 240, 235, 0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* NAV */
.nav {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--fg);
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 5rem 2rem 3rem;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.hero-headline em {
  color: var(--accent);
  font-style: normal;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* HERO VISUAL */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 85, 0, 0.2);
}
.ring-1 { width: 100%; height: 100%; animation: spin 12s linear infinite; }
.ring-2 { width: 70%; height: 70%; border-color: rgba(255, 85, 0, 0.35); animation: spin 8s linear infinite reverse; }
.ring-3 { width: 45%; height: 45%; border-color: rgba(255, 85, 0, 0.5); animation: spin 5s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.visual-core {
  position: absolute;
  width: 28%;
  height: 28%;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 12%;
}
.core-bar {
  background: rgba(10,10,15,0.6);
  border-radius: 2px;
  flex: 1;
}
.core-bar:nth-child(1) { height: 30%; }
.core-bar:nth-child(2) { height: 70%; }
.core-bar:nth-child(3) { height: 50%; }
.core-bar:nth-child(4) { height: 90%; }

.visual-label {
  position: absolute;
  bottom: 25%;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  text-align: center;
  width: 100%;
}
.visual-count {
  position: absolute;
  bottom: 12%;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  text-align: center;
  width: 100%;
}

/* HERO STATS */
.hero-stats {
  max-width: 1100px;
  margin: 3rem auto 0;
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 2px;
}
.stat {
  flex: 1;
  padding: 1.5rem 2rem;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.03em;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* SECTION COMMON */
.section-header {
  max-width: 1100px;
  margin: 0 auto 3rem;
  padding: 0 2rem;
}
.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--fg);
  max-width: 560px;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 5rem 2rem;
  background: var(--bg-alt);
}
.process-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.process-step {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg);
  transition: border-color 0.3s;
}
.process-step:hover { border-color: rgba(255, 85, 0, 0.3); }
.step-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  min-width: 2.5rem;
}
.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}
.step-body p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.process-visual {
  max-width: 1100px;
  margin: 3rem auto 0;
  padding: 0 2rem;
}
.pv-track {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}
.pv-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.pv-done { background: var(--accent); }
.pv-active { background: var(--accent); box-shadow: 0 0 0 4px rgba(255,85,0,0.2); }
.pv-pending { background: rgba(245,240,235,0.15); }
.pv-line {
  flex: 1;
  height: 1px;
  background: var(--accent);
}
.pv-pending-line { background: rgba(245,240,235,0.15); }
.pv-labels {
  display: flex;
  justify-content: space-between;
  max-width: 600px;
  margin: 0.75rem auto 0;
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* WHY AUTONOMOUS */
.why-auto {
  padding: 5rem 2rem;
}
.why-auto-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.why-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.why-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.comparison {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.comparison--beatlayer {
  border-color: rgba(255, 85, 0, 0.4);
}
.comp-header {
  padding: 0.75rem 1.25rem;
  background: rgba(245,240,235,0.05);
  border-bottom: 1px solid var(--border);
}
.comp-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.comp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.comp-item { color: var(--fg-muted); }
.comp-cost { color: var(--fg); font-weight: 500; }
.comp-total {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.comp-total strong { color: var(--fg); }
.comp-total--beatlayer strong { color: var(--accent); }

/* FEATURES */
.features {
  padding: 5rem 2rem;
  background: var(--bg-alt);
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.feature-card {
  padding: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: rgba(255, 85, 0, 0.35);
  transform: translateY(-2px);
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* MANIFESTO */
.manifesto {
  padding: 5rem 2rem;
  background: var(--bg);
  text-align: center;
}
.manifesto-inner { max-width: 800px; margin: 0 auto; }
.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 1.5rem;
}
.manifesto-quote em { color: var(--accent); font-style: normal; }
.manifesto-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}
.manifesto-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* CLOSING */
.closing {
  padding: 6rem 2rem;
  background: var(--accent);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #0a0a0f;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.closing-sub {
  font-size: 1.1rem;
  color: rgba(10,10,15,0.7);
  font-weight: 500;
}

/* FOOTER */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--fg);
  display: block;
  margin-bottom: 0.25rem;
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.footer-links {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-left { order: 1; }
  .hero-right { order: 2; }
  .hero-visual { max-width: 260px; }
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 60px; height: 1px; }
  .why-auto-inner { grid-template-columns: 1fr; gap: 3rem; }
  .process-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; }
  .hero { padding-top: 3rem; }
  .how-it-works, .why-auto, .features, .manifesto { padding: 3.5rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero-stats { border: none; }
  .stat { border-bottom: 1px solid var(--border); }
  .stat:last-child { border-bottom: none; }
}