/* Palette mirrors the app's tokens in simulation/templates/simulation/index.html. */
:root {
  --bg: #0e1116;
  --bg-alt: #12161c;
  --surface: #151a21;
  --border: #262d38;
  --rule: #1d232c;
  --text: #e6eaf0;
  --muted: #8b95a5;
  --accent: #f5a524;
  --accent-fg: #0e1116;
  --worker: #38bdf8;
  --pos: #4ade80;
  --neg: #f87171;
  --grass: #1c2a1c;
  --bank: #2b3a24;
  --water: #1d4f7a;
  --gridline: rgba(255, 255, 255, 0.05);
  --log: #a0703c;
  --house: #6b4a2f;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 12px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --bg-alt: #eef0f3;
    --surface: #ffffff;
    --border: #d6dae0;
    --rule: #e6e9ed;
    --text: #111418;
    --muted: #5a6270;
    --accent: #d98a0b;
    --accent-fg: #ffffff;
    --worker: #0284c7;
    --pos: #15803d;
    --neg: #dc2626;
    --grass: #d9ebc9;
    --bank: #c3dcae;
    --water: #7cb8e6;
    --gridline: rgba(0, 0, 0, 0.06);
    --log: #9a6430;
    --house: #8a6040;
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); font-weight: 800; letter-spacing: -0.025em; max-width: 18ch; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; max-width: 26ch; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.c-manager { color: var(--accent); }
.c-worker { color: var(--worker); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.dim { color: var(--muted); }
.small { color: var(--muted); font-size: 0.92rem; max-width: 70ch; margin-top: 20px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 20px;
  border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.95rem;
}
.btn:hover { text-decoration: none; }
.btn-sm { height: 34px; padding: 0 14px; font-size: 0.88rem; }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--muted); }

/* Hero */
.hero { padding: 80px 0 56px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; margin: 22px 0 30px; }
.lede strong { font-weight: 600; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-grid h1 { font-size: clamp(2.2rem, 4.6vw, 3.5rem); }
.hero-grid .lede { margin-bottom: 30px; }
.hero-media {
  margin: 0; padding: 12px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
}
.hero-media img { width: 100%; height: auto; border-radius: 8px; }
.hero-media figcaption { font: 500 12px var(--font-mono); color: var(--muted); margin: 12px 4px 2px; }
.hero-media figcaption span {
  display: inline-grid; place-items: center; width: 17px; height: 17px; border-radius: 50%;
  background: var(--accent); color: var(--accent-fg); font-size: 10px; font-weight: 700;
}
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin: 56px 0 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
}
.stats div { padding: 16px 20px; border-left: 1px solid var(--rule); }
.stats div:first-child { border-left: 0; }
.stats dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.stats dd { margin: 4px 0 0; font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; }

/* Sections */
.section { padding: 96px 0; border-top: 1px solid var(--rule); }
.section.alt { background: var(--bg-alt); }
.section-lede { color: var(--muted); font-size: 1.08rem; max-width: 68ch; margin: 18px 0 44px; }

/* Task */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps li {
  display: flex; flex-direction: column; gap: 14px; padding: 20px 22px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.steps p { color: var(--muted); font-size: 0.94rem; margin: 6px 0 0; }
.steps em { color: var(--text); font-style: normal; font-weight: 500; }
.step-n {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-fg);
  font: 700 13px var(--font-mono);
}
.goal { display: inline-block; font-size: 11px; color: var(--accent); margin-bottom: 6px; }

/* Architecture */
.arch { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: stretch; }
.arrow { align-self: center; }
.agent { padding: 26px 28px; border-top: 4px solid var(--accent); }
.agent.worker { border-top-color: var(--worker); }
.agent header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.agent h3 { font-size: 1.5rem; }
.tag { font: 500 12px var(--font-mono); color: var(--accent); }
.worker .tag { color: var(--worker); }
.agent dl { margin: 0; }
.agent dt { font: 600 11px var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 16px; }
.agent dt:first-child { margin-top: 0; }
.agent dd { margin: 6px 0 0; }
.chip {
  display: inline-block; margin: 0 6px 6px 0; padding: 2px 10px;
  border: 1px solid var(--border); border-radius: 999px;
  font: 500 12.5px var(--font-mono); background: var(--bg-alt);
}
.arrow { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--accent); }
.arrow span { font: 500 11px/1.3 var(--font-mono); text-align: center; color: var(--muted); }
.arrow svg { width: 80px; fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 56px; }
.cols3 h3 { margin-bottom: 10px; }
.cols3 p { color: var(--muted); font-size: 0.95rem; }

/* Rewards */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-top: 36px; }
.prose p { color: var(--muted); }
.prose em { color: var(--text); }
.note { border-left: 3px solid var(--accent); padding-left: 14px; }
.table-card { overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
caption { text-align: left; padding: 16px 20px 4px; font: 600 11px var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
th, td { padding: 12px 20px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
tbody tr:last-child > * { border-bottom: 0; }
thead th { font: 600 11px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
td.pos, td.neg, td.dim { font-family: var(--font-mono); font-size: 0.88rem; white-space: nowrap; }

.her { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; padding: 32px; margin-top: 48px; }
.her h3 { font-size: 1.35rem; margin-bottom: 12px; }
.her p:last-child { color: var(--muted); margin: 0; }
.her-fig { width: 100%; height: auto; }
.her-cap { fill: var(--muted); font: 600 10px var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.her-path { fill: none; stroke: var(--worker); stroke-width: 3; stroke-dasharray: 5 5; stroke-linecap: round; }
.her-start { fill: var(--worker); }
.her-end { fill: var(--surface); stroke: var(--neg); stroke-width: 2.5; }
.her-goal { fill: none; stroke: var(--neg); stroke-width: 2.5; }
.her-goal.ok { stroke: var(--pos); fill: color-mix(in srgb, var(--pos) 22%, var(--surface)); }
.her-glyph { fill: var(--text); font: 700 12px var(--font-mono); text-anchor: middle; }
.her-out { font: 600 11px var(--font-mono); text-anchor: middle; }
.her-out.pos { fill: var(--pos); }
.her-out.neg { fill: var(--neg); }

/* Watch */
.shot { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.55); }
.shot img { width: 100%; height: auto; }
.features { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px 32px; }
.features h3 { font-size: 1rem; margin-bottom: 6px; }
.features p { color: var(--muted); font-size: 0.93rem; margin: 0; }

/* Specs */
.specs { overflow-x: auto; margin-top: 36px; }
.specs tbody th { color: var(--muted); font-weight: 500; white-space: nowrap; width: 1%; }
.specs td { font-size: 0.93rem; }

/* Run */
.code { overflow: hidden; }
.code-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px 10px 20px; border-bottom: 1px solid var(--rule);
  font: 600 11px var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.code pre { margin: 0; padding: 18px 20px; overflow-x: auto; }
.code code { background: none; border: 0; padding: 0; font-size: 0.88rem; line-height: 1.8; }
.copy {
  font: 500 12px var(--font-mono); color: var(--muted);
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 7px;
  padding: 4px 10px; cursor: pointer;
}
.copy:hover { color: var(--text); }
.checks { padding-left: 1.2em; margin: 0; color: var(--muted); }
.checks li { margin-bottom: 8px; }
.checks li::marker { color: var(--accent); }

/* Cast */
.cast-section { text-align: center; }
.cast-section h2 { margin: 0 auto; }
.cast { margin: 40px auto 8px; image-rendering: pixelated; width: 100%; max-width: 784px; height: auto; }
.cast-section .small { margin: 20px auto 0; }

/* Footer */
.footer { border-top: 1px solid var(--rule); padding: 28px 0; color: var(--muted); font-size: 0.9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .split, .her, .cols3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .arch { grid-template-columns: 1fr; }
  .arrow { flex-direction: row; gap: 12px; }
  .arrow svg { width: 24px; transform: rotate(90deg); }
  .nav-links { display: none; }
  .nav-inner > .btn { margin-left: auto; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 64px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .stats div:nth-child(3) { border-left: 0; }
  .stats div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .her { padding: 22px; }
  th, td { padding: 10px 14px; }
  td.pos, td.neg, td.dim { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}