:root {
  --bg: #0c0c10;
  --fg: #f0f0f5;
  --muted: #6b6b80;
  --border: #1e1e28;
  --accent: #00d4aa;
  --accent-dim: rgba(0,212,170,0.12);
  --warning: #ffb547;
  --surface: #14141c;
  --font-head: 'Syne', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  background: rgba(12,12,16,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1100px; margin: 0 auto; }
.wordmark { font-family: var(--font-head); font-size: 1.1rem; font-weight: 800; letter-spacing: -0.02em; }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
}
.hero-inner { max-width: 1100px; margin: 0 auto; width: 100%; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  background: var(--accent-dim);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(0,212,170,0.25);
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 700px;
}
.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}
.hero-visual { max-width: 560px; }
.sprint-track {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
}
.track-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.track-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.task-bar {
  height: 8px;
  background: var(--fg);
  border-radius: 4px;
  opacity: 0.15;
}
.task-bar.accent { background: var(--accent); opacity: 1; }
.task-bar.warning { background: var(--warning); opacity: 1; }
.task-label { font-size: 0.8rem; color: var(--muted); min-width: 60px; }
.velocity-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.velocity-label { font-size: 0.75rem; color: var(--muted); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.velocity-value { font-size: 0.85rem; color: var(--accent); font-weight: 600; }

/* CTA BUTTON */
.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #0c0c10;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 2rem;
  border-radius: 12px;
  margin-bottom: 3rem;
  transition: opacity 0.15s, transform 0.15s;
  letter-spacing: -0.01em;
}
.cta-btn:hover { opacity: 0.88; transform: translateY(-1px); }

/* FEATURES */
.features { padding: 5rem 2rem; background: var(--bg); }
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feature-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.feature-block h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.feature-block p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

/* MANIFESTO */
.manifesto { padding: 6rem 2rem; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.manifesto-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.manifesto blockquote {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 2rem;
}
.manifesto p { color: var(--muted); font-size: 1rem; line-height: 1.8; margin-bottom: 1rem; }
.manifesto p:last-child { margin-bottom: 0; }

/* FOOTER */
footer { padding: 3rem 2rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.footer-brand .wordmark { display: block; margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.85rem; color: var(--muted); }
.footer-meta { font-size: 0.8rem; color: var(--muted); }

/* MOBILE */
@media (max-width: 768px) {
  .hero { padding: 7rem 1.5rem 3rem; }
  .features-inner { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .manifesto { padding: 4rem 1.5rem; }
}