/* Layout: drafting-ledger — a measured column of document prose, with a mono
   rail carrying clause numbers, requirement IDs and state stamps. */
:root {
  --paper: #F3F5F8;
  --surface: #FFFFFF;
  --surface-2: #E9EDF3;
  --ink: #0F141C;
  --muted: #58626F;
  --line: #D2D9E2;
  --accent: #1C49C2;
  --ok: #0C6B51;
  --warn: #8F5405;

  --display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  color-scheme: light;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0C1016;
    --surface: #131922;
    --surface-2: #1A212C;
    --ink: #E7EBF1;
    --muted: #96A1B1;
    --line: #26303D;
    --accent: #85A6FF;
    --ok: #4FC19B;
    --warn: #D7A243;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0C1016;
  --surface: #131922;
  --surface-2: #1A212C;
  --ink: #E7EBF1;
  --muted: #96A1B1;
  --line: #26303D;
  --accent: #85A6FF;
  --ok: #4FC19B;
  --warn: #D7A243;
  color-scheme: dark;
}

* { box-sizing: border-box; }
img { max-width: 100%; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.band { width: 100%; }
.band--surface { background: var(--surface); border-block: 1px solid var(--line); }
.wrap {
  max-width: 68rem;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 4.5rem;
}
.wrap--flush { padding-block: 0; }
.prose, .prose--wide { max-width: none; }

h1, h2, h3, h4, .eyebrow, .num, .tag, nav, .logo, .contact-line, .kicker { font-family: var(--display); }

h1 {
  font-size: clamp(2.3rem, 6vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 1.5rem;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 1rem;
  text-wrap: balance;
}
h3 {
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 0 0 0.4rem;
}
p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }
a { color: var(--accent); }
strong { font-weight: 600; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.25rem;
}
.lede { font-size: clamp(1.08rem, 2.1vw, 1.28rem); line-height: 1.5; }
.muted { color: var(--muted); }

/* ---- masthead + nav ---- */
.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}
.logo {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
}
.logo-mark {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  color: var(--accent);
  display: block;
}

nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--muted);
  padding-block: 0.2rem;
  border-bottom: 1px solid transparent;
}
nav a:hover { color: var(--ink); }
nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---- availability status ----
   SINGLE SOURCE OF TRUTH. Flip these two values to change the site's status:
   closed  ->  --status-open: none;  --status-closed: flex;
   open    ->  --status-open: flex;  --status-closed: none;            */
:root {
  --status-open: none;
  --status-closed: flex;
}
.status--open { display: var(--status-open); }
.status--closed { display: var(--status-closed); }

.status-band { background: var(--surface-2); border-bottom: 1px solid var(--line); }
.status {
  gap: 0.75rem;
  align-items: baseline;
  margin: 0;
  padding-block: 0.8rem;
  font-family: var(--display);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
}
.status strong { color: var(--ink); font-weight: 600; }
.status > span:last-child { min-width: 0; }
.status-dot {
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--warn);
  transform: translateY(-0.1rem);
}
.status-dot--open { background: var(--ok); }

/* ---- page header ---- */
.pagehead { border-bottom: 1px solid var(--line); }
.pagehead .wrap { padding-block: 3.25rem 2.5rem; }

/* ---- traceability record ---- */
.trace {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1.25rem 1.35rem;
  min-width: 0;
}
.trace-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-bottom: 0.75rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.68rem;
  color: var(--muted);
}
.trace-row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.6rem;
  padding-block: 0.28rem;
}
.trace-row > span:first-child { color: var(--muted); }
.trace-sep { height: 1px; background: var(--line); margin-block: 0.9rem; }
.chain { display: flex; flex-direction: column; gap: 0.3rem; }
.chain-item { display: flex; gap: 0.5rem; align-items: baseline; min-width: 0; }
.chain-item .dot { color: var(--muted); }
.pass { color: var(--ok); }
.hold { color: var(--warn); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

/* ---- pipeline ---- */
.pipe { display: grid; gap: 0; margin-top: 2rem; border-top: 1px solid var(--line); }
.step {
  display: grid;
  grid-template-columns: 2.6rem 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.step .num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.tag {
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
  border: 1px solid var(--line);
  color: var(--muted);
  justify-self: start;
  white-space: nowrap;
}
.tag--human { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.tag--auto { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.step p { margin: 0; font-size: 0.98rem; }

/* ---- clauses ---- */
.clauses { display: grid; gap: 0; margin-top: 2rem; }
.clause {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.35rem;
  border-top: 1px solid var(--line);
}
.clause:last-child { border-bottom: 1px solid var(--line); }
.clause .num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  padding-top: 0.2rem;
}
.clause p { margin: 0; font-size: 0.98rem; color: var(--muted); }
.clause h3 { color: var(--ink); }

/* ---- card grids ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  margin-top: 2rem;
  overflow: hidden;
}
.cell { background: var(--surface); padding: 1.35rem 1.4rem; min-width: 0; }
.kicker {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.6rem;
}
.cell p { font-size: 0.95rem; margin: 0 0 0.7rem; color: var(--muted); }
.cell ul { margin: 0; padding-left: 1.1rem; font-size: 0.95rem; color: var(--muted); }
.cell li { margin-bottom: 0.3rem; }
.cell li:last-child { margin-bottom: 0; }

/* ---- gates ---- */
.gates { margin-top: 2rem; display: grid; gap: 0.5rem; }
.gate {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.65rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  min-width: 0;
}
.gate .mark { color: var(--ok); flex: none; }
.gate span:last-child { min-width: 0; }

/* ---- column prose ---- */
.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 2.5rem 3rem;
  margin-top: 2rem;
}
.cols > div { min-width: 0; }
.cols h3 { margin-bottom: 0.5rem; }
.cols p { font-size: 0.98rem; color: var(--muted); margin-bottom: 0.8rem; }

.statement {
  max-width: none;
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0;
}
.cols--body { margin-top: 2.25rem; gap: 1.5rem 3.5rem; }
.cols--body p { color: var(--ink); font-size: 1.0625rem; }

.callout {
  margin-top: 2rem;
  border-left: 2px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1.5rem;
}

/* ---- next-page link ---- */
.next {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-top: 1.75rem;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  padding-bottom: 0.15rem;
}
.next:hover { border-bottom-color: var(--accent); }

/* ---- manifesto document ---- */
.doc { max-width: none; }
.doc h2 {
  font-size: 1.45rem;
  margin-top: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.doc h2:first-of-type { margin-top: 1rem; }
.doc h3 {
  font-size: 1rem;
  margin-top: 1.9rem;
  color: var(--muted);
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.doc ul { padding-left: 1.2rem; margin: 0 0 1.1rem; }
.doc li { margin-bottom: 0.5rem; }
.doc-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.toc {
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  padding: 1.35rem 1.5rem;
  margin-bottom: 3rem;
}
.toc-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--display);
  font-size: 0.88rem;
  line-height: 1.35;
  columns: 3;
  column-gap: 2.5rem;
  counter-reset: toc;
}
.toc li { margin-bottom: 0.55rem; break-inside: avoid; }
.toc li::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--line);
  margin-right: 0.5rem;
}
.toc a { text-decoration: none; color: var(--muted); }
.toc a:hover { color: var(--accent); }

/* ---- contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2.5rem 3rem;
  margin-top: 2.5rem;
}
.contact-grid > div { min-width: 0; }
.contact-line {
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.55;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.75rem 0.95rem;
  display: block;
  margin-top: 0.6rem;
  user-select: all;
  overflow-wrap: anywhere;
}
address { font-style: normal; }
address.contact-line { white-space: pre-line; }

footer { border-top: 1px solid var(--line); background: var(--surface); }
footer .wrap {
  padding-block: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--muted);
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }
footer .foot-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

@media (max-width: 900px) {
  .toc ol { columns: 2; }
}

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .toc ol { columns: 1; }
  .step { grid-template-columns: 2.2rem minmax(0, 1fr); row-gap: 0.5rem; }
  .step .tag, .step p { grid-column: 2; }
  .wrap { padding-block: 3.25rem; }
  .trace-row { grid-template-columns: 1fr; gap: 0; }
  .toc ol { columns: 1; }
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }