/* DX-redo homepage — developer-first. */

:root {
  --dx-bg: #0a0e14;
  --dx-panel: #111820;
  --dx-panel-hi: #16212c;
  --dx-border: #1f2a36;
  --dx-border-hi: #2a3a4a;
  --dx-text: #e8edf2;
  --dx-dim: #8a99a8;
  --dx-dimmer: #5e6d7a;
  --dx-accent: #5ccfe6;
  --dx-accent-dim: #3a8ca3;
  --dx-green: #a5d75a;
  --dx-yellow: #ffcc66;
  --dx-red: #f47174;
  --dx-purple: #c594c5;
  --dx-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
}

html[data-theme='light'] {
  --dx-bg: #f6f7f9;
  --dx-panel: #ffffff;
  --dx-panel-hi: #f1f3f5;
  --dx-border: #e1e4e8;
  --dx-border-hi: #c7ccd3;
  --dx-text: #1a2331;
  --dx-dim: #536475;
  --dx-dimmer: #8a99a8;
  --dx-accent: #137084;
  --dx-accent-dim: #2a90a5;
}

html, body {
  overflow-x: clip;
}

.dx-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  color: var(--dx-text);
}

.dx-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.dx-nav-logo {
  font-family: var(--dx-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--dx-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dx-nav-logo::before {
  content: '◉';
  color: var(--dx-accent);
  font-size: 13px;
}

.dx-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.dx-nav-links a {
  font-family: var(--dx-mono);
  font-size: 13px;
  color: var(--dx-dim);
  text-decoration: none;
  transition: color 120ms;
}

.dx-nav-links a:hover {
  color: var(--dx-text);
}

.dx-nav-links a.dx-nav-cta {
  color: var(--dx-accent);
  border: 1px solid var(--dx-border-hi);
  padding: 7px 13px;
  border-radius: 5px;
  transition: all 120ms;
}

.dx-nav-links a.dx-nav-cta:hover {
  background: var(--dx-panel-hi);
  color: var(--dx-text);
  border-color: var(--dx-accent-dim);
}

/* Hero */
.dx-hero {
  padding: 72px 0 40px;
  text-align: left;
}

.dx-hero-eyebrow {
  font-family: var(--dx-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--dx-accent);
  margin-bottom: 18px;
}

.dx-hero h1 {
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 20px;
  max-width: 880px;
}

.dx-hero-lede {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--dx-dim);
  max-width: 680px;
  margin: 0 0 32px;
}

.dx-hero-lede strong {
  color: var(--dx-text);
  font-weight: 500;
}

.dx-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}

.dx-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 120ms;
  cursor: pointer;
  border: 1px solid transparent;
}

.dx-btn-primary {
  background: var(--dx-accent);
  color: #0a0e14;
}

.dx-btn-primary:hover {
  background: #7fdbee;
}

.dx-btn-secondary {
  background: transparent;
  color: var(--dx-text);
  border-color: var(--dx-border-hi);
}

.dx-btn-secondary:hover {
  background: var(--dx-panel-hi);
  border-color: var(--dx-accent-dim);
}

.dx-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
  align-items: center;
  font-family: var(--dx-mono);
  font-size: 12px;
  color: var(--dx-dim);
}

.dx-proof-row a {
  color: var(--dx-dim);
  text-decoration: none;
  transition: color 120ms;
}

.dx-proof-row a:hover {
  color: var(--dx-text);
}

/* Terminal / code panel */
.dx-terminal {
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  font-family: var(--dx-mono);
  /* 50-char ASCII boxes sit at ~390px @13px. clamp scales them down on */
  /* narrow viewports without shrinking so small they become unreadable. */
  font-size: clamp(10px, 2.6vw, 13px);
  line-height: 1.55;
  min-width: 0;
  max-width: 100%;
}

.dx-terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--dx-panel-hi);
  border-bottom: 1px solid var(--dx-border);
}

.dx-terminal-bar-dots {
  display: flex;
  gap: 6px;
}

.dx-terminal-bar-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dx-border-hi);
}

.dx-terminal-bar-title {
  margin-left: 10px;
  font-family: var(--dx-mono);
  font-size: 12px;
  color: var(--dx-dim);
}

.dx-terminal-body {
  margin: 0;
  padding: 18px 20px;
  white-space: pre;
  overflow-x: auto;
  color: var(--dx-text);
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.dx-terminal-body .cmd {
  color: var(--dx-green);
}
.dx-terminal-body .prompt {
  color: var(--dx-accent);
}
.dx-terminal-body .dim {
  color: var(--dx-dim);
}
.dx-terminal-body .green {
  color: var(--dx-green);
}
.dx-terminal-body .red {
  color: var(--dx-red);
}
.dx-terminal-body .yellow {
  color: var(--dx-yellow);
}
.dx-terminal-body .cyan {
  color: var(--dx-accent);
}
.dx-terminal-body .bold {
  font-weight: 700;
}

/* Install moment */
.dx-install-section {
  padding: 32px 0 56px;
}

.dx-section {
  padding: 72px 0;
  border-top: 1px solid var(--dx-border);
}

.dx-section-kicker {
  font-family: var(--dx-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dx-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.dx-section-title {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 700;
  margin: 0 0 14px;
}

.dx-section-lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--dx-dim);
  max-width: 640px;
  margin-bottom: 32px;
}

/* Three-stage flow */
.dx-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
  margin-top: 32px;
}

.dx-flow-step {
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 8px;
  padding: 20px;
  position: relative;
}

.dx-flow-step-kind {
  font-family: var(--dx-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.dx-flow-step-kind.kind-llm {
  color: var(--dx-purple);
}
.dx-flow-step-kind.kind-engine {
  color: var(--dx-accent);
}

.dx-flow-step-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.dx-flow-step-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--dx-dim);
}

.dx-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dx-dimmer);
  font-size: 18px;
  font-family: var(--dx-mono);
}

.dx-flow-input, .dx-flow-output {
  padding: 14px 16px;
  font-family: var(--dx-mono);
  font-size: 12px;
  color: var(--dx-dim);
  background: var(--dx-panel-hi);
  border: 1px dashed var(--dx-border-hi);
  border-radius: 6px;
  margin-bottom: 12px;
}

/* Customer-message chat bubble */
.dx-chat {
  margin: 32px 0 28px;
}
.dx-chat-kicker {
  font-family: var(--dx-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dx-dim);
  margin-bottom: 10px;
}
.dx-chat-bubble {
  background: var(--dx-panel-hi);
  border: 1px solid var(--dx-border);
  border-left: 3px solid var(--dx-accent);
  border-radius: 10px;
  padding: 22px 26px;
  max-width: 780px;
  position: relative;
}
.dx-chat-bubble p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.55;
  color: var(--dx-text);
}
.dx-chat-bubble strong {
  color: var(--dx-accent);
  font-weight: 600;
}
.dx-chat-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--dx-mono);
  font-size: 12px;
  color: var(--dx-dim);
  border-top: 1px solid var(--dx-border);
  padding-top: 10px;
}

/* Badges for LLM vs LogicPearl headers */
.dx-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  font-family: var(--dx-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-right: 6px;
  vertical-align: 1px;
}
.dx-badge-llm {
  background: rgba(197, 148, 197, 0.15);
  color: var(--dx-purple);
  border: 1px solid rgba(197, 148, 197, 0.3);
}
.dx-badge-pearl {
  background: rgba(92, 207, 230, 0.12);
  color: var(--dx-accent);
  border: 1px solid rgba(92, 207, 230, 0.3);
}

/* A terminal-style block without the window chrome (standalone <pre>). */
.dx-terminal-card {
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

/* Side-by-side */
.dx-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.dx-compare-col {
  min-width: 0;
}

.dx-compare-col h3 {
  font-family: var(--dx-mono);
  font-size: 13px;
  color: var(--dx-dim);
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}

.dx-compare-col h3 .num {
  color: var(--dx-text);
  font-weight: 700;
}

.dx-compare-takeaway {
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-left: 3px solid var(--dx-accent);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--dx-dim);
}

.dx-compare-takeaway strong {
  color: var(--dx-text);
  font-weight: 600;
}

/* MCP section */
.dx-mcp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.dx-mcp-body, .dx-mcp-grid > * {
  min-width: 0;
}

.dx-mcp-body h2 {
  margin-top: 0;
}

.dx-mcp-tools {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dx-mcp-tool {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 6px;
}

.dx-mcp-tool-name {
  font-family: var(--dx-mono);
  color: var(--dx-accent);
  font-size: 13px;
  white-space: nowrap;
  flex-shrink: 0;
}

.dx-mcp-tool-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--dx-dim);
}

/* Architecture nutshell */
.dx-arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.dx-arch-card {
  padding: 22px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 8px;
}

.dx-arch-card-label {
  font-family: var(--dx-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--dx-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.dx-arch-card h3 {
  font-size: 17px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.dx-arch-card p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--dx-dim);
  margin: 0;
}

/* Evidence tiles */
.dx-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.dx-evidence-tile {
  display: block;
  padding: 22px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color 120ms, transform 120ms;
}

.dx-evidence-tile:hover {
  border-color: var(--dx-accent-dim);
  transform: translateY(-1px);
}

.dx-evidence-kicker {
  font-family: var(--dx-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dx-dim);
  margin-bottom: 10px;
}

.dx-evidence-tile h3 {
  font-size: 17px;
  margin: 0 0 10px;
}

.dx-evidence-tile p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--dx-dim);
  margin: 0;
}

/* Final CTAs */
.dx-ctas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.dx-cta-tile {
  display: block;
  padding: 24px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 120ms;
}

.dx-cta-tile:hover {
  border-color: var(--dx-accent-dim);
  background: var(--dx-panel-hi);
}

.dx-cta-tile-title {
  font-family: var(--dx-mono);
  font-size: 14px;
  color: var(--dx-accent);
  margin-bottom: 10px;
}

.dx-cta-tile p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--dx-dim);
  margin: 0;
}

/* Footer */
.dx-footer {
  padding: 48px 0;
  border-top: 1px solid var(--dx-border);
  color: var(--dx-dim);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.dx-footer nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.dx-footer nav a {
  color: var(--dx-dim);
  text-decoration: none;
}

.dx-footer nav a:hover {
  color: var(--dx-text);
}

/* Copy button for install line */
.dx-install-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--dx-panel);
  border: 1px solid var(--dx-border);
  border-radius: 7px;
  font-family: var(--dx-mono);
  font-size: 14px;
  max-width: 460px;
}

.dx-install-line .prefix {
  color: var(--dx-accent);
}

.dx-install-line .cmd {
  color: var(--dx-text);
  flex: 1;
}

.dx-install-line button {
  background: transparent;
  border: 1px solid var(--dx-border-hi);
  color: var(--dx-dim);
  font-family: var(--dx-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 120ms;
}

.dx-install-line button:hover {
  color: var(--dx-accent);
  border-color: var(--dx-accent-dim);
}

.dx-install-line button.copied {
  color: var(--dx-green);
  border-color: var(--dx-green);
}

/* Responsive */
@media (max-width: 1000px) {
  .dx-compare {
    grid-template-columns: minmax(0, 1fr);
  }
  .dx-mcp-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .dx-flow {
    grid-template-columns: 1fr;
  }
  .dx-flow-arrow {
    transform: rotate(90deg);
  }
  .dx-arch-grid,
  .dx-evidence-grid,
  .dx-ctas {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .dx-container {
    padding: 0 18px;
  }
  .dx-nav {
    padding: 16px 18px;
  }
  .dx-nav-links {
    gap: 18px;
  }
  .dx-section {
    padding: 48px 0;
  }
  .dx-hero {
    padding: 40px 0 32px;
  }
}