/* =============================================
   FlowStack — AI Automation Agency
   ============================================= */

:root {
  --bg: #0A0A0F;
  --bg-alt: #111118;
  --bg-card: #14141C;
  --accent: #E8930A;
  --accent-dim: #B8720A;
  --accent-glow: rgba(232, 147, 10, 0.15);
  --text: #F5F0E8;
  --text-muted: #9A9A9A;
  --text-dim: #5A5A5A;
  --border: rgba(245, 240, 232, 0.08);
  --border-accent: rgba(232, 147, 10, 0.25);
  --radius: 8px;
  --radius-lg: 16px;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ---- Navigation ---- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.logo-text { color: var(--text); }
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

/* ---- Sections ---- */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 64px;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 32px;
}

/* ---- Hero ---- */
.hero {
  padding: 160px 32px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}
.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}
.cta-divider { color: var(--text-dim); }
.cta-proof { font-size: 0.85rem; color: var(--text-muted); }

/* Hero Visual — Flow Nodes */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-nodes {
  position: relative;
  width: 340px;
  height: 340px;
}
.node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.node-center {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.node-tl { top: 20px; left: 20px; }
.node-tr { top: 20px; right: 20px; }
.node-bl { bottom: 20px; left: 20px; }
.node-br { bottom: 20px; right: 20px; }
.node-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--accent-glow);
}
.node-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.node-label-sm {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}
.conn-line {
  position: absolute;
  background: linear-gradient(90deg, var(--accent), transparent);
  height: 1px;
  opacity: 0.3;
  transform-origin: left center;
}
.conn-tl {
  width: 90px;
  top: 54px; left: 70px;
  transform: rotate(-35deg);
}
.conn-tr {
  width: 90px;
  top: 54px; right: 70px;
  transform: rotate(35deg);
  transform-origin: right center;
}
.conn-bl {
  width: 90px;
  bottom: 54px; left: 70px;
  transform: rotate(35deg);
}
.conn-br {
  width: 90px;
  bottom: 54px; right: 70px;
  transform: rotate(-35deg);
  transform-origin: right center;
}

/* Hero Stats Row */
.hero-stat-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-alt);
}
.stat {
  flex: 1;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.stat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  background: var(--border);
}

/* ---- What We Automate ---- */
.section-automate {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.automate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.automate-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  transition: border-color 0.3s;
}
.automate-card:hover {
  border-color: var(--border-accent);
}
.card-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.card-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-bullets li {
  font-size: 0.825rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}
.card-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.pricing-card-main {
  border-color: var(--border-accent);
  background: var(--bg-card);
}
.plan-name {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
}
.price-period {
  font-size: 1rem;
  color: var(--text-muted);
}
.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.plan-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.plan-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.plan-feature-on { color: var(--text); }
.plan-note {
  font-size: 0.775rem;
  color: var(--text-dim);
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.pricing-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.audit-label, .enterprise-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 10px;
}
.audit-title, .enterprise-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.audit-desc, .enterprise-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}
.audit-detail, .enterprise-detail {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.audit-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
}
.audit-sub, .enterprise-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.enterprise-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

/* ---- Proof ---- */
.section-proof {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.proof-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.proof-industry {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.8;
}
.proof-quote {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 32px;
  border-left: 2px solid var(--accent);
  padding-left: 20px;
}
.proof-metrics {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.proof-metric {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.proof-metric:last-child { border-right: none; }
.metric-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ---- How It Works ---- */
.section-how {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 64px;
}
.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
  letter-spacing: -0.04em;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.step-connector {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, var(--border-accent), transparent);
  margin-top: 28px;
  flex-shrink: 0;
}
.how-cta {
  display: flex;
  justify-content: center;
}
.how-cta-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ---- Manifesto ---- */
.section-manifesto {
  background: var(--bg);
  padding: 96px 32px;
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}
.manifesto-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}
.manifesto-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.manifesto-visual {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-alt);
}
.manifesto-stat-block {
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
}
.manifesto-stat-block:last-child { border-bottom: none; }
.m-stat {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.m-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 64px 32px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.footer-brand {}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.footer-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--text); }
.footer-location {
  font-size: 0.8rem;
  color: var(--text-dim);
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.775rem;
  color: var(--text-dim);
}
.footer-built { color: var(--text-dim); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-inner { padding: 14px 20px; }
  .nav-links { display: none; }

  .hero { padding: 120px 20px 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero-stat-row { flex-direction: column; }
  .stat-divider { width: 100%; height: 1px; }

  .section-inner { padding: 64px 20px; }

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

  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

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

  .steps { flex-direction: column; gap: 24px; }
  .step-connector { width: 40px; height: 1px; margin-top: 0; }

  .manifesto-inner { grid-template-columns: 1fr; gap: 48px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { flex-wrap: wrap; }
}