/* Self-hosted fonts (no Google Fonts request). */
@font-face{font-family:'Plus Jakarta Sans';src:url(/fonts/PlusJakartaSans-300-800-latin-ext.woff2) format('woff2');font-weight:300 800;font-style:normal;font-display:swap;unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Plus Jakarta Sans';src:url(/fonts/PlusJakartaSans-300-800-latin.woff2) format('woff2');font-weight:300 800;font-style:normal;font-display:swap;unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'JetBrains Mono';src:url(/fonts/JetBrainsMono-400-700-latin-ext.woff2) format('woff2');font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';src:url(/fonts/JetBrainsMono-400-700-latin.woff2) format('woff2');font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}

:root {
  --bg-void: #07080b;
  --bg-card: #0f1118;
  --bg-card-hover: #161922;
  --bg-surface: #12151e;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(217, 119, 87, 0.3);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #9ca3af;
  --accent-amber: #d97757;
  --accent-orange: #f2a65a;
  --accent-emerald: #10b981;
  --accent-red: #ef4444;
  --accent-cyan: #06b6d4;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient glow */
.ambient-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}
.glow-top {
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(217, 119, 87, 0.15) 0%, transparent 70%);
}
.glow-bottom {
  bottom: 100px;
  right: -100px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(7, 8, 11, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  padding: 16px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 1.15rem;
}
.brand-hl {
  color: var(--accent-amber);
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}
.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
  color: #21130c;
  box-shadow: 0 4px 20px rgba(217, 119, 87, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(217, 119, 87, 0.4);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero */
.hero-section {
  padding: 100px 0 60px;
  text-align: center;
}
.hero-content {
  max-width: 860px;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 119, 87, 0.1);
  border: 1px solid rgba(217, 119, 87, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent-orange);
  font-weight: 600;
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(135deg, #f3f4f6 30%, var(--accent-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Pillars Section */
.section-pillars {
  padding: 80px 0;
}
.section-header {
  margin-bottom: 48px;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-desc {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}
.pillar-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}
.pillar-alpha {
  border-top: 3px solid var(--accent-orange);
}
.pillar-beta {
  border-top: 3px solid var(--accent-red);
}
.pillar-gamma {
  border-top: 3px solid var(--accent-emerald);
}
.pillar-icon {
  margin-bottom: 16px;
}
.pillar-model-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.pillar-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.pillar-role {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.pillar-specs {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}
.pillar-specs li {
  padding: 4px 0;
  position: relative;
  padding-left: 18px;
}
.pillar-specs li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-orange);
}

/* Simulator Section */
.section-simulator {
  padding: 80px 0;
}
.simulator-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}
.simulator-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}
.sim-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}
.sim-title {
  font-size: 1.6rem;
  font-weight: 700;
}
.sim-presets {
  display: flex;
  gap: 8px;
}
.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.preset-btn.active, .preset-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Console Columns */
.simulator-console {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 900px) {
  .simulator-console {
    grid-template-columns: 1fr;
  }
}
.console-agent {
  background: var(--bg-void);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.agent-banner {
  padding: 10px 14px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}
.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.dot-alpha { background: var(--accent-orange); }
.dot-beta { background: var(--accent-red); }
.dot-gamma { background: var(--accent-emerald); }
.agent-engine {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.agent-stream {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 180px;
  line-height: 1.5;
}
.stream-line {
  margin-bottom: 10px;
  color: var(--text-secondary);
}
.system-line {
  color: var(--text-muted);
  font-size: 0.75rem;
}
.critique-line {
  color: #fca5a5;
  border-left: 2px solid var(--accent-red);
  padding-left: 8px;
}
.verified-line {
  color: #a7f3d0;
  border-left: 2px solid var(--accent-emerald);
  padding-left: 8px;
}

/* Simulator Input Row */
.input-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.sim-input {
  flex: 1;
  background: var(--bg-void);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.sim-input:focus {
  border-color: var(--accent-amber);
}
.sim-meta-stats {
  display: flex;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}
.status-ok {
  color: var(--accent-emerald);
}

/* Tech Grid */
.section-tech {
  padding: 60px 0 100px;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 28px;
}
.tech-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.tech-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.tech-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  background: var(--bg-void);
}
.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand .brand-text {
  font-size: 1.3rem;
  font-weight: 800;
}
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 6px 0 12px;
}
.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
}
.footer-links {
  display: flex;
  gap: 60px;
}
.link-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.link-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.link-col a:hover {
  color: var(--text-primary);
}

/* Prototype controls share the original visual system. */
html { scroll-padding-top: 130px; }
main, .site-footer { position: relative; z-index: 1; }
a { color: var(--accent-orange); }
.brand { color: var(--text-primary); text-decoration: none; }
button, textarea { font: inherit; }
:focus-visible { outline: 2px solid var(--accent-orange); outline-offset: 5px; }
.skip-link { position: absolute; top: 12px; left: 12px; transform: translateY(-200%); padding: 12px; background: var(--bg-void); z-index: 200; }
.skip-link:focus { transform: none; }
.text-center { text-align: center; }
.hero-note { max-width: 680px; margin: 24px auto 0; color: var(--text-secondary); font-size: .9rem; }
.demo-description, .prototype-note, .demo-status { color: var(--text-secondary); margin-bottom: 20px; }
.demo-description { max-width: 860px; }
.sim-presets { flex-wrap: wrap; margin-bottom: 24px; }
.preset-btn { min-height: 44px; }
.brief-form label { display: block; margin-bottom: 10px; font-weight: 600; }
.brief-form .sim-input { display: block; width: 100%; resize: vertical; margin-bottom: 16px; min-height: 100px; }
.input-row { flex-wrap: wrap; }
.input-row .btn { padding: 12px 18px; }
button:disabled { opacity: .55; cursor: not-allowed; }
.demo-status { min-height: 1.618em; font-size: .9rem; }
.console-agent { min-width: 0; }
.agent-banner h3 { font-size: inherit; }
.agent-dot { flex-shrink: 0; }
.agent-stream { color: var(--text-secondary); white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.618; }
.prototype-note { font-size: .85rem; margin-bottom: 0; }
.sim-badge { color: #6ee7b7; }
.roadmap-label { display: block; color: var(--accent-orange); font-size: .8rem; margin-bottom: 12px; }
.project-section { padding-bottom: 80px; }
.project-panel { display: grid; grid-template-columns: 1.618fr 1fr; gap: 48px; }
.project-panel p { color: var(--text-secondary); margin-bottom: 16px; }
.project-contact { padding: 24px; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; }
.project-contact h3 { margin-bottom: 12px; }
.project-contact a { display: block; margin-bottom: 12px; overflow-wrap: anywhere; }
.project-contact .archive-note { font-size: .8rem; margin-bottom: 0; }
.footer-links a { overflow-wrap: anywhere; }
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; gap: 16px; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; gap: 24px; padding-bottom: 4px; }
  .nav-links a { white-space: nowrap; }
  .pillars-grid, .tech-grid, .project-panel { grid-template-columns: 1fr; }
  .hero-section { padding-top: 60px; }
  .section-pillars, .section-simulator { padding: 48px 0; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
}
@media (max-width: 480px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; overflow: visible; }
  .nav-links a { white-space: normal; font-size: .82rem; }
  .brand { font-size: .95rem; }
  .site-header .btn-sm { padding: 8px 10px; font-size: .75rem; }
  .hero-title { font-size: 2.15rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .simulator-wrapper, .pillar-card { padding: 20px; }
  .section-title { font-size: 1.8rem; }
  .sim-title { font-size: 1.35rem; }
  .agent-stream { font-size: .8rem; }
  .ambient-glow { width: 100%; max-width: 480px; right: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}