:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e4df;
  --fg-muted: #8a8580;
  --accent: #e8943a;
  --accent-glow: rgba(232, 148, 58, 0.15);
  --accent-subtle: #c47a2e;
  --border: #2a2725;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 24px;
}

.hero-inner {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(232, 148, 58, 0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: #fff;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* Pulse visualization */
.hero-viz {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  z-index: 1;
}

.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(232, 148, 58, 0.15);
  animation: pulse 3s ease-out infinite;
}

.pulse-ring.delay-1 { animation-delay: 1s; }
.pulse-ring.delay-2 { animation-delay: 2s; }

.pulse-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 40px rgba(232, 148, 58, 0.5);
}

@keyframes pulse {
  0% {
    width: 200px;
    height: 200px;
    opacity: 0.6;
  }
  100% {
    width: 500px;
    height: 500px;
    opacity: 0;
  }
}

/* ---- RHYTHM (Timeline) ---- */
.rhythm {
  padding: 120px 24px;
  background: var(--bg);
}

.rhythm-inner {
  max-width: 720px;
  margin: 0 auto;
}

.rhythm-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}

.rhythm-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.beat {
  display: grid;
  grid-template-columns: 100px 2px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.beat:last-child { border-bottom: none; }

.beat-time {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  padding-top: 2px;
  text-align: right;
}

.beat-line {
  width: 2px;
  height: 100%;
  min-height: 20px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 2px;
}

.beat-action {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- HOW (Features) ---- */
.how {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 56px;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s;
}

.how-card:hover {
  border-color: rgba(232, 148, 58, 0.3);
}

.how-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.how-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.how-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- NUMBERS ---- */
.numbers {
  padding: 80px 24px;
  background: var(--bg);
}

.numbers-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 24px;
}

.closing p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: #fff;
}

.footer-copy {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .hero-viz {
    display: none;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .beat {
    grid-template-columns: 80px 2px 1fr;
    gap: 16px;
    padding: 20px 0;
  }

  .numbers-inner {
    flex-direction: column;
    gap: 32px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }
}