/* MAXIMUX 0 guide — brutal claymorphism, pure black & white.
   Matches dashboard/agent chassis + plate language. */

@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #000000;
  --paper: #ffffff;
  --muted: rgba(0, 0, 0, 0.55);
  --grid: rgba(0, 0, 0, 0.08);
  --spot: rgba(0, 0, 0, 0.18);
  --clay-hi: #ffffff;
  --clay-lo: rgba(0, 0, 0, 0.18);
  --border: 3px solid var(--ink);
  --radius-plate: 22px;
  --radius-btn: 12px;
  --offset: 5px;
  --gutter: 16px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ffffff;
    --paper: #000000;
    --muted: rgba(255, 255, 255, 0.55);
    --grid: rgba(255, 255, 255, 0.1);
    --spot: rgba(255, 255, 255, 0.16);
    --clay-hi: rgba(255, 255, 255, 0.1);
    --clay-lo: rgba(0, 0, 0, 0.55);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    radial-gradient(820px 460px at 90% -12%, rgba(0, 0, 0, 0.05), transparent 55%),
    radial-gradient(700px 400px at -10% 110%, rgba(0, 0, 0, 0.06), transparent 52%);
  font: 16px/1.55 "Space Grotesk", sans-serif;
  position: relative;
  isolation: isolate;
}

@media (prefers-color-scheme: dark) {
  body {
    background-image:
      radial-gradient(820px 460px at 90% -12%, rgba(255, 255, 255, 0.07), transparent 55%),
      radial-gradient(700px 400px at -10% 110%, rgba(255, 255, 255, 0.05), transparent 52%);
  }
}

body::before {
  content: "";
  position: fixed;
  inset: -48px;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 50% 50%, var(--spot) 0 1.6px, transparent 2.2px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px, 48px 48px;
  animation: drift 40s linear infinite;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(48px, 48px); }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

/* ---- chassis (always black bar, white controls) ---- */
.chassis {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--gutter);
  background: #000000;
  color: #ffffff;
  border-bottom: 3px solid #000000;
  box-shadow: 0 5px 0 0 #000000;
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  display: block;
  height: auto;
  max-height: 48px;
  width: auto;
}

.chassis-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.jump {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border-radius: 14px;
  background: #ffffff;
  border: 2px solid #ffffff;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.jump a {
  appearance: none;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: #000000;
  padding: 7px 12px;
  border-radius: 10px;
  border: 2px solid transparent;
  background: transparent;
  transition: transform 0.06s ease, background 0.12s ease, color 0.12s ease;
}

.jump a:hover {
  background: #000000;
  color: #ffffff;
}

.jump a:active { transform: translateY(1px); }

/* ---- buttons ---- */
.btn {
  appearance: none;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  padding: 9px 14px;
  border-radius: var(--radius-btn);
  border: var(--border);
  background: var(--paper);
  box-shadow:
    -5px -5px 12px var(--clay-hi),
    5px 5px 14px var(--clay-lo),
    var(--offset) var(--offset) 0 0 var(--ink);
  transition: transform 0.06s ease, box-shadow 0.06s ease;
  display: inline-flex;
  align-items: center;
}

.btn:hover { transform: translateY(-1px); }

.btn:active {
  transform: translateY(2px);
  box-shadow: inset 3px 3px 8px rgba(0, 0, 0, 0.22);
}

.btn.primary {
  color: #ffffff;
  background: #000000;
  border-color: #000000;
  box-shadow:
    inset -2px -2px 6px rgba(255, 255, 255, 0.14),
    inset 3px 3px 8px rgba(0, 0, 0, 0.5),
    var(--offset) var(--offset) 0 0 #000000;
}

.btn.small { padding: 6px 11px; font-size: 13px; }

.chassis .btn.ghost {
  color: #ffffff;
  background: transparent;
  border: 2px solid #ffffff;
  box-shadow: 3px 3px 0 0 #ffffff;
}

.chassis .btn.ghost:active {
  box-shadow: none;
  transform: translateY(2px);
}

.chassis .btn.primary {
  color: #000000;
  background: #ffffff;
  border-color: #ffffff;
  box-shadow:
    inset -2px -2px 5px rgba(255, 255, 255, 0.8),
    inset 2px 2px 6px rgba(0, 0, 0, 0.18),
    3px 3px 0 0 #ffffff;
}

@media (prefers-color-scheme: dark) {
  .btn.primary {
    color: #000000;
    background: #ffffff;
    border-color: #ffffff;
    box-shadow:
      inset -2px -2px 6px rgba(0, 0, 0, 0.1),
      var(--offset) var(--offset) 0 0 #ffffff;
  }
}

/* ---- plates ---- */
.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 22px var(--gutter) 48px;
}

.plate {
  position: relative;
  margin: 0 0 18px;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius-plate);
  box-shadow:
    -10px -10px 22px var(--clay-hi),
    10px 10px 24px var(--clay-lo),
    var(--offset) var(--offset) 0 0 var(--ink);
}

/* Rivets: solid black/white dots — not close icons */
.plate::before,
.plate::after {
  content: "";
  position: absolute;
  top: 12px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--ink);
  box-shadow:
    inset 0 0 0 2px var(--paper),
    1px 1px 0 0 var(--ink);
}

.plate::before { left: 12px; }
.plate::after { right: 12px; }

.hero { padding-top: 28px; }

.brand-hero {
  margin: 0 0 10px;
  font-size: clamp(2rem, 6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

h1 {
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  margin: 0 0 10px;
  font-weight: 700;
  line-height: 1.25;
}

h2 {
  font-size: 0.95rem;
  margin: 0 0 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h3 {
  font-size: 0.95rem;
  margin: 18px 0 8px;
  font-weight: 700;
}

.muted { color: var(--muted); }
.lead { font-size: 1.05rem; margin: 0 0 16px; max-width: 40rem; }
.small { font-size: 12px; }

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

code {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.9em;
  background: var(--paper);
  color: var(--ink);
  padding: 0.12rem 0.4rem;
  border-radius: 8px;
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 0 var(--ink);
}

ul, ol { margin: 8px 0 0; padding-left: 1.2rem; }
li { margin: 6px 0; }

.terms {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.terms > div {
  padding: 12px 14px;
  border-radius: 14px;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow:
    -4px -4px 10px var(--clay-hi),
    4px 4px 12px var(--clay-lo),
    3px 3px 0 0 var(--ink);
}

.terms dt {
  font-weight: 700;
  margin-bottom: 4px;
  font-size: 1rem;
}

.terms dd {
  margin: 0;
  color: var(--muted);
}

.steps { margin-top: 14px; }
.checks { margin: 10px 0 0; padding-left: 1.2rem; }

/* ---- diagrams ---- */
.diagram-scroll {
  width: 100%;
  overflow-x: auto;
  margin: 12px 0;
  padding: 8px;
  border-radius: 16px;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: inset 3px 3px 8px rgba(0, 0, 0, 0.12);
}

.diagram {
  width: 100%;
  min-width: 640px;
  height: auto;
  display: block;
}

.diagram .node rect,
.diagram .stop rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 3;
}

.diagram .node.strong rect {
  fill: #000000;
  stroke: #000000;
}

.diagram .node.strong text { fill: #ffffff; }

.diagram .decide path {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 3;
}

.diagram .line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.5;
}

.diagram .arrow { fill: var(--ink); }

.diagram text {
  fill: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-anchor: middle;
}

.diagram text.small { font-size: 10px; font-weight: 500; }
.diagram .label { font-size: 11px; font-weight: 700; }

@media (prefers-color-scheme: dark) {
  .diagram .node.strong rect {
    fill: #ffffff;
    stroke: #ffffff;
  }
  .diagram .node.strong text { fill: #000000; }
}

.small-diagram { max-height: 140px; }

/* ---- role bars ---- */
.bars {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.bar-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
}

.bar-row .track {
  display: block;
  height: 18px;
  border-radius: 10px;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.16);
  overflow: hidden;
}

.bar-row .bar {
  display: block;
  height: 100%;
  border-radius: 6px;
  background: #000000;
}

.bar.w20 { width: 20%; }
.bar.w40 { width: 40%; }
.bar.w60 { width: 60%; }
.bar.w80 { width: 80%; }
.bar.w100 { width: 100%; }

@media (prefers-color-scheme: dark) {
  .bar-row .bar { background: #ffffff; }
}

/* ---- footer ---- */
.foot {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px var(--gutter) 48px;
  display: grid;
  gap: 10px;
  justify-items: start;
  border-top: var(--border);
}

.logo-foot {
  display: block;
  max-height: 44px;
  width: auto;
  height: auto;
}

.foot a {
  color: var(--ink);
  font-weight: 700;
}

.foot a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .chassis { padding: 10px 12px; }
  .chassis-actions { width: 100%; }
  .chassis-actions .btn { flex: 1 1 auto; justify-content: center; }
  .jump { width: 100%; }
  .jump a { flex: 1 1 0; text-align: center; font-size: 13px; padding: 8px 6px; }
  .wrap { padding: 16px 12px 36px; }
  .plate { padding: 18px 14px 16px; }
  .brand-hero { font-size: 2.2rem; }
}