/* EntitleLab — Technical precision, developer-focused */

:root {
  --bg: #0a0d12;
  --bg-2: #0f1419;
  --bg-3: #151b23;
  --bg-4: #1a2330;
  --fg: #e8eaf0;
  --fg-2: #9aa0b0;
  --fg-3: #5c6370;
  --accent: #10b981;
  --accent-dim: rgba(16, 185, 129, 0.15);
  --accent-glow: rgba(16, 185, 129, 0.25);
  --warn: #f59e0b;
  --warn-dim: rgba(245, 158, 11, 0.15);
  --pass: #10b981;
  --blocked: #f59e0b;
  --denied: #ef4444;
  --local-color: #a78bfa;
  --local-dim: rgba(167, 139, 250, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --border-2: rgba(255, 255, 255, 0.1);
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.logo-bracket { color: var(--accent); }

nav { display: flex; gap: 2rem; }

nav a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg-2);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover { color: var(--fg); }

/* HERO */
.hero {
  padding: 6rem 2rem 5rem;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.eyebrow-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow-sep { color: var(--fg-3); font-family: var(--mono); font-size: 0.7rem; }

.hero-headline {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--fg-2);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--mono);
}

/* TERMINAL */
.hero-terminal {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  overflow: hidden;
}

.terminal-header {
  background: var(--bg-3);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dots { display: flex; gap: 0.4rem; }

.tdot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.td-red { background: #ff5f57; }
.td-yellow { background: #febc2e; }
.td-green { background: #28c840; }

.terminal-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-3);
}

.terminal-body {
  padding: 1.25rem 1.25rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.tline { display: block; }

.tline--ghost {
  color: var(--fg-3);
  margin-bottom: 0.2rem;
}

.tline--ok { color: var(--pass); }

.tline--pass { color: var(--pass); }

.tline--warn { color: var(--blocked); }

.tline--local { color: var(--local-color); }

/* SECTION COMMON */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fg);
  max-width: 680px;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--fg-2);
  max-width: 560px;
  line-height: 1.65;
}

.section-lead {
  font-size: 1rem;
  color: var(--fg-2);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* FLOWS SECTION */
.flows-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.flow-card {
  background: var(--bg);
  padding: 2rem;
  position: relative;
}

.flow-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.fi-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.fi-issue { background: var(--accent-dim); color: var(--accent); }
.fi-eval { background: var(--warn-dim); color: var(--warn); }
.fi-consume { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.fi-reconcile { background: var(--local-dim); color: var(--local-color); }

.fi-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.flow-outcome {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.outcome {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.outcome-pass { background: var(--accent-dim); color: var(--pass); }
.outcome-blocked { background: var(--warn-dim); color: var(--blocked); }
.outcome-denied { background: rgba(239, 68, 68, 0.15); color: var(--denied); }
.outcome-ok { background: var(--bg-3); color: var(--fg-2); }

.flow-card p {
  font-size: 0.875rem;
  color: var(--fg-2);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.flow-example {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.875rem 1rem;
}

.flow-example code {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-3);
  line-height: 1.7;
  display: block;
}

/* LOCAL MODE SECTION */
.local-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.local-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.local-content .section-title { margin-bottom: 1.5rem; }

.local-diagram {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 2rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ld-row {
  display: flex;
  justify-content: center;
}

.ld-box {
  padding: 0.875rem 1.5rem;
  border-radius: 6px;
  text-align: center;
  min-width: 220px;
}

.ld-api { background: var(--accent-dim); border: 1px solid rgba(16, 185, 129, 0.3); }
.ld-local { background: var(--local-dim); border: 1px solid rgba(167, 139, 250, 0.3); }
.ld-consensus { background: var(--accent-dim); border: 1px solid rgba(16, 185, 129, 0.3); }

.ld-box-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-2);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.ld-box-state {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ld-api .ld-box-state { color: var(--pass); }
.ld-local .ld-box-state { color: var(--local-color); }
.ld-consensus .ld-box-state { color: var(--pass); }

.ld-arrow {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--fg-3);
  text-align: center;
  letter-spacing: 0.08em;
  padding: 0.3rem;
}

.ld-legend {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.ll {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}

/* WHY SECTION */
.why-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.why-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 2rem 2.5rem;
}

.why-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.why-card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.875rem;
  line-height: 1.3;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.65;
}

.why-quote {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 1.75rem 2rem;
}

.why-quote blockquote {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.65;
  font-style: normal;
}

/* CLOSING */
.closing-section {
  padding: 5rem 0;
}

.closing-inner { text-align: center; }

.closing-headline {
  font-family: var(--mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-2);
  margin-bottom: 2.5rem;
}

.closing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.ctag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg-3);
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg-2);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-3);
  max-width: 480px;
  line-height: 1.5;
}

.footer-tech {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-3);
  letter-spacing: 0.05em;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-headline { font-size: 2rem; }
  .local-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .flow-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  nav { display: none; }
  .hero { padding: 3.5rem 1.5rem 3rem; }
  .section-title { font-size: 1.5rem; }
  .closing-headline { font-size: 1.75rem; }
}