/* AgentStack Landing Page */
:root {
  --bg: #0D0D0F;
  --surface: #141418;
  --border: #232328;
  --fg: #F0EFE9;
  --fg-muted: #8A8A8F;
  --accent: #BAFF00;
  --accent-dim: rgba(186, 255, 0, 0.12);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* NAV */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-links a {
  text-decoration: none;
}
.nav-demo-btn {
  background: var(--accent);
  color: #0D0D0F;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 8px 18px;
  border-radius: 6px;
  letter-spacing: 0.03em;
  transition: opacity 0.15s;
}
.nav-demo-btn:hover { opacity: 0.85; }

/* HERO */
.hero {
  padding: 80px 40px 60px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 500;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}
.hero-headline {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--fg);
  margin-bottom: 24px;
}
.headline-accent { color: var(--accent); }
.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.node-network {
  position: relative;
  width: 280px;
  height: 260px;
}
.node {
  position: absolute;
  width: 68px;
  height: 68px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.node-inner {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.node-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent-dim);
  border-color: var(--accent);
  width: 80px;
  height: 80px;
  border-radius: 50%;
}
.node-center .node-inner {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 800;
}
.node-tl { top: 10px; left: 30px; }
.node-tr { top: 10px; right: 30px; }
.node-bl { bottom: 10px; left: 30px; }
.node-br { bottom: 10px; right: 30px; }
.node-lines {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.1;
  animation: pulse 3s ease-in-out infinite;
}
.orbit-1 { width: 180px; height: 180px; animation-delay: 0s; }
.orbit-2 { width: 280px; height: 280px; animation-delay: 1.5s; }
@keyframes pulse {
  0%, 100% { opacity: 0.05; }
  50% { opacity: 0.15; }
}

/* PROBLEM */
.problem {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem-label, .services-label, .pricing-label, .path-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-weight: 500;
}
.problem-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 48px;
}
.problem-accent { color: var(--accent); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.problem-icon {
  margin-bottom: 16px;
  width: 32px;
  height: 32px;
}
.problem-text {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* SERVICES */
.services {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.services-inner { max-width: 1200px; margin: 0 auto; }
.services-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 48px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 20px;
}
.service-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.service-name {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--fg);
}
.service-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.services-pricing-note {
  display: inline-flex;
  background: var(--accent-dim);
  border: 1px solid rgba(186,255,0,0.2);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.8rem;
  color: var(--accent);
}

/* PRICING TABLE */
.pricing { padding: 80px 40px; border-bottom: 1px solid var(--border); }
.pricing-inner { max-width: 1200px; margin: 0 auto; }
.pricing-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 48px;
}
.pricing-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}
.pricing-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row span { color: var(--fg-muted); }
.pricing-row-head span {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg) !important;
}
.pricing-row:not(.pricing-row-head):hover { background: var(--surface); }
.pricing-goal {
  background: var(--accent-dim);
  border: 1px solid rgba(186,255,0,0.2);
  border-radius: 8px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.goal-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-weight: 500;
}
.goal-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* PATH TIMELINE */
.path { padding: 80px 40px; border-bottom: 1px solid var(--border); }
.path-inner { max-width: 1200px; margin: 0 auto; }
.path-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 56px;
}
.path-timeline {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr;
  align-items: start;
  gap: 0;
}
.path-item { padding: 0; }
.path-week {
  font-family: 'Syne', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.path-title {
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.path-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.path-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 20px;
  width: 32px;
  flex-shrink: 0;
}
.path-connector::after {
  content: '';
  width: 1px;
  height: 80px;
  background: var(--border);
}

/* CLOSING */
.closing { padding: 100px 40px; }
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.closing-quote {
  border-left: 2px solid var(--accent);
  padding-left: 32px;
}
.quote-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.quote-context {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.6;
}
.closing-headline {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}
.closing-sub {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* FOOTER */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
  max-width: 280px;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner, .closing-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .path-timeline { grid-template-columns: 1fr; gap: 24px; }
  .path-connector { display: none; }
  .pricing-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .pricing-row span:nth-child(2), .pricing-row span:nth-child(4) { text-align: right; }
  .footer-inner { flex-direction: column; gap: 16px; }
  .nav-tagline { display: none; }
}