/* dadavol1 — humans&ai field manual */
:root {
  --black: #000000;
  --white: #ffffff;
  --grey: #808080;
  --grey-dim: #555555;
  --violet: #8b5cf6;
  --violet-soft: rgba(139, 92, 246, 0.35);
  --violet-glow: rgba(139, 92, 246, 0.18);
  --mono: "Cascadia Code", "Cascadia Mono", Consolas, "Courier New", ui-monospace, monospace;
  --border: 2px solid var(--violet);
  --measure: min(72vw, 1100px);
  --pad: 1.1rem 1.25rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--white);
  background: var(--black);
  text-transform: lowercase;
  overflow-x: hidden;
}

code, pre, kbd, samp, .term, .exact {
  text-transform: none;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: #000;
}

.bg-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(139, 92, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: translateY(var(--scroll-y, 0px));
  will-change: transform;
}

.bg-rivers {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background:
    radial-gradient(ellipse 80% 40% at 15% 20%, var(--violet-glow), transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 70%, rgba(139, 92, 246, 0.12), transparent 50%);
}

.bg-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0, 0, 0, 0.12) 2px, rgba(0, 0, 0, 0.12) 4px
  );
  opacity: 0.3;
}

.shell {
  position: relative;
  z-index: 1;
  width: var(--measure);
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 0 3.5rem;
}

@media (max-width: 720px) {
  :root {
    --measure: calc(100vw - 1.25rem);
    --pad: 0.9rem 0.85rem;
  }
}

.agent-banner {
  width: 100%;
  background: rgba(13, 10, 24, 0.95);
  border: 1px solid var(--violet);
  border-left: 3px solid var(--violet);
  padding: 0.65rem 1rem;
  margin: 0 0 1.25rem;
  text-align: left;
}

.agent-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
  width: 100%;
}

.agent-banner-text {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--white);
  flex: 1 1 20rem;
  text-align: left;
}

.agent-banner-text a {
  color: #c4b5fd;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.agent-banner-text a:hover {
  color: var(--white);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid var(--violet-soft);
  margin: 0 0 1.25rem;
  padding: 0.55rem 0;
  width: 100%;
}

.nav-inner {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  font-size: 0.95rem;
}

.brand-logo {
  height: 28px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--grey);
  text-decoration: none;
  font-size: 0.75rem;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--violet);
  outline: none;
}

h1, h2, h3 {
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.3;
  margin: 0 0 0.55rem;
  width: 100%;
  text-align: center;
}

h1 { font-size: clamp(1.35rem, 3.2vw, 1.9rem); }
h2 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--violet);
  margin-bottom: 0.85rem;
}
h3 { font-size: 1rem; margin-top: 0.85rem; }

p {
  margin: 0 0 0.7rem;
  color: var(--white);
  width: 100%;
  text-align: center;
  overflow-wrap: break-word;
}

.muted { color: var(--grey); }
.dim { color: var(--grey-dim); }
.lead { font-size: 1.02rem; }
.amp { color: var(--grey); }

a {
  color: var(--white);
  text-decoration-color: var(--violet);
  text-underline-offset: 3px;
}
a:hover { color: var(--violet); }

.panel {
  background: rgba(10, 10, 10, 0.92);
  border: var(--border);
  padding: var(--pad);
  margin: 0 0 0.85rem;
  position: relative;
  text-align: center;
  width: 100%;
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
}
.panel::before {
  top: 0; left: 0;
  border-top: 2px solid var(--violet);
  border-left: 2px solid var(--violet);
}
.panel::after {
  bottom: 0; right: 0;
  border-bottom: 2px solid var(--violet);
  border-right: 2px solid var(--violet);
}

.panel p,
.panel h3 { text-align: center; }

.list-clean {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  width: 100%;
}
.list-clean li {
  margin: 0 0 0.55rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--violet-soft);
  color: var(--grey);
  overflow-wrap: break-word;
}
.list-clean strong { color: var(--white); font-weight: 400; }

.hero {
  padding: 1.25rem 0 1rem;
  text-align: center;
  width: 100%;
}

.hero-logo {
  max-width: min(420px, 92vw);
  width: 100%;
  height: auto;
  margin: 0 auto 1.1rem;
  display: block;
  filter: drop-shadow(0 0 18px var(--violet-glow));
}

.hero .tag,
.hero .motto {
  color: var(--grey);
  margin: 0.12rem 0;
}
.hero .tag { font-size: 0.9rem; }
.hero .motto { font-size: 0.85rem; }

.hero-spine {
  margin: 1.1rem 0 0;
  width: 100%;
  border: 1px solid var(--violet-soft);
  padding: 0.8rem 1rem;
  color: var(--white);
  font-size: 0.98rem;
  line-height: 1.45;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin: 0.85rem 0 0;
  width: 100%;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid #333;
  color: var(--grey);
  background: rgba(0, 0, 0, 0.6);
  letter-spacing: 0.04em;
}

.badge-violet {
  border-color: var(--violet);
  color: var(--white);
  background: rgba(139, 92, 246, 0.18);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border-radius: 0;
  line-height: 1.25;
  white-space: normal;
  text-transform: lowercase;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  color: #ffffff;
  border: 1px solid #a78bfa;
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #9d74ff 0%, #7c3aed 100%);
  color: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--grey);
  border: 1px solid #333;
}
.btn-ghost:hover {
  color: var(--white);
  border-color: var(--violet-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin: 1.25rem 0 0.5rem;
  width: 100%;
}

section {
  padding: 1.5rem 0 0.35rem;
  scroll-margin-top: 3.25rem;
  width: 100%;
}

.section-kicker {
  color: var(--violet);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
  width: 100%;
  text-align: center;
}

.grid-2 {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr;
  width: 100%;
}
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr;
  width: 100%;
}
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.matrix {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  width: 100%;
  overflow-x: hidden;
}

.matrix-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  border: 1px solid #242430;
  background: rgba(12, 12, 18, 0.75);
  padding: 0.85rem;
  width: 100%;
}

.matrix-row > div {
  flex: 1 1 16rem;
  min-width: 0;
  overflow-wrap: break-word;
  text-align: left;
}

.matrix-row h4 {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--violet);
  font-weight: 400;
  text-align: left;
}

.matrix-row p {
  margin: 0;
  font-size: 0.84rem;
  text-align: left;
  color: var(--grey);
}

.matrix-row .name {
  color: var(--white);
  font-size: 0.92rem;
}

.rings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  width: 100%;
  overflow-x: hidden;
}

.ring {
  flex: 1 1 18rem;
  min-width: 0;
  border: 1px solid var(--violet-soft);
  background: rgba(10, 10, 10, 0.92);
  padding: 0.9rem;
  text-align: left;
}

.ring h3 {
  text-align: left;
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}

.ring p,
.ring li {
  text-align: left;
  color: var(--grey);
  font-size: 0.84rem;
}

.ring ol,
.ring ul {
  margin: 0;
  padding-left: 1.1rem;
}

.ring li { margin: 0 0 0.35rem; overflow-wrap: break-word; }

.n {
  color: var(--violet);
  margin-right: 0.35rem;
}

.term {
  background: #000;
  border: 1px solid #222;
  border-left: 3px solid var(--violet);
  padding: 0.75rem 1rem;
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  line-height: 1.55;
  text-align: left;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  overflow-x: hidden;
  color: var(--grey);
}

.term .ok { color: var(--white); }
.term .prompt { color: var(--violet); }

.today {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  text-align: left;
}

.today li {
  counter-increment: step;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.85rem;
  align-items: flex-start;
  margin: 0 0 0.7rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid #242430;
  overflow-wrap: break-word;
}

.today li::before {
  content: counter(step, decimal-leading-zero);
  color: var(--violet);
  flex: 0 0 auto;
  letter-spacing: 0.08em;
}

.today .do {
  flex: 1 1 12rem;
  min-width: 0;
  color: var(--white);
}

.today .why {
  flex: 1 1 12rem;
  min-width: 0;
  color: var(--grey);
  font-size: 0.84rem;
}

footer {
  margin-top: 2rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--violet-soft);
  text-align: center;
  color: var(--grey);
  font-size: 0.78rem;
  width: 100%;
}

footer p { text-align: center; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 100;
  background: #000;
  color: var(--white);
  border: 1px solid var(--violet);
  padding: 0.4rem 0.7rem;
}