:root {
  --bg: #0a0a0b;
  --bg-elev: #131316;
  --fg: #ededed;
  --fg-dim: #9a9a9a;
  --accent: #d97706;
  --accent-hover: #f59e0b;
  --border: #26262a;
  --error: #ef4444;
  --success: #22c55e;
  --mono:
    "JetBrains Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans:
    -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.placeholder-banner {
  background: var(--accent);
  color: #1a1207;
  padding: 0.5rem 1rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid #6b3a03;
}

.placeholder-banner code {
  background: rgba(0, 0, 0, 0.18);
  padding: 0 0.25rem;
  border-radius: 2px;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--mono);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hero .tagline {
  color: var(--fg-dim);
  font-size: 1.05rem;
  margin: 0 0 3rem;
  max-width: 38rem;
}

.signup {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.75rem;
}

.signup h2 {
  font-family: var(--mono);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.signup-blurb {
  color: var(--fg-dim);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  margin-top: 0.85rem;
}

label .optional {
  opacity: 0.7;
}

input,
select,
textarea {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.6rem 0.7rem;
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition:
    border-color 120ms ease,
    background 120ms ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background: #15100a;
}

textarea {
  resize: vertical;
  font-family: var(--sans);
}

.cta {
  margin-top: 1.4rem;
  background: var(--accent);
  color: #1a1207;
  border: none;
  border-radius: 3px;
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 120ms ease;
}

.cta:hover:not(:disabled) {
  background: var(--accent-hover);
}

.cta:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.status {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 1rem 0 0;
  min-height: 1.2rem;
}

.status.error {
  color: var(--error);
}

.status.success {
  color: var(--success);
}

footer {
  margin-top: 3rem;
  color: var(--fg-dim);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* -------------------------------------------------------------------------- */
/* Shared chrome for subpages (legal, manifesto)                              */
/* -------------------------------------------------------------------------- */

.subnav {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.subnav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.subnav .back {
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.subnav .back:hover {
  text-decoration: underline;
}

.subnav .crumb {
  color: var(--fg-dim);
  margin-left: auto;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--fg-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
}

.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.doc-header {
  margin: 0 0 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.doc-header h1 {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.doc-header .lede {
  color: var(--fg-dim);
  font-size: 1rem;
  margin: 0;
  max-width: 60ch;
}

.last-updated {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 1rem;
}

.prose {
  max-width: 70ch;
  color: var(--fg);
  font-size: 0.98rem;
}

.prose section + section {
  margin-top: 2.25rem;
}

.prose h2 {
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}

.prose h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin: 1.5rem 0 0.5rem;
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.prose li {
  margin: 0.25rem 0;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.prose a:hover,
.prose a:focus-visible {
  color: var(--accent-hover);
}

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.05em 0.35em;
}

.prose dl {
  margin: 0 0 1rem;
}

.prose dt {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-top: 0.85rem;
}

.prose dd {
  margin: 0.15rem 0 0;
  padding-left: 0;
  color: var(--fg-dim);
}

.doc-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 0.85rem;
}

.doc-footer a {
  color: var(--accent);
  text-decoration: none;
}

.doc-footer a:hover {
  text-decoration: underline;
}

/* -------------------------------------------------------------------------- */
/* Manifesto landing                                                          */
/* -------------------------------------------------------------------------- */

.thesis-list {
  list-style: none;
  counter-reset: thesis;
  padding: 0;
  margin: 0 0 1.25rem;
}

.thesis-list > li {
  counter-increment: thesis;
  position: relative;
  padding: 1rem 0 1rem 3.25rem;
  border-top: 1px solid var(--border);
}

.thesis-list > li:last-child {
  border-bottom: 1px solid var(--border);
}

.thesis-list > li::before {
  content: counter(thesis, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.thesis-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--fg);
  letter-spacing: -0.005em;
}

.thesis-list p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.95rem;
}

.failure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.failure-grid li {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
}

.failure-grid li .tag {
  color: var(--accent);
  margin-right: 0.5rem;
}

.invariant-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.5rem;
}

.invariant-list li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  color: var(--fg-dim);
}

.invariant-list li strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--fg);
  margin-bottom: 0.15rem;
  letter-spacing: 0.01em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 0.7rem 1rem;
  border-radius: 3px;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition:
    background 120ms ease,
    color 120ms ease;
}

.btn-primary {
  background: var(--accent);
  color: #1a1207;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover {
  background: rgba(217, 119, 6, 0.08);
  color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}