:root {
  color-scheme: light dark;
  --paper: #f6f8fc;
  --paper-raised: #ffffff;
  --paper-muted: #e8edf6;
  --ink: #09101f;
  --ink-soft: #1c2739;
  --muted: #59647a;
  --line: rgba(9, 16, 31, 0.14);
  --line-strong: rgba(9, 16, 31, 0.38);
  --accent: #3155ff;
  --accent-bright: #5875ff;
  --accent-solid: #3155ff;
  --accent-wash: #dfe6ff;
  --header-bg: rgba(246, 248, 252, 0.88);
  --terminal: #08101f;
  --terminal-bar: #0d1729;
  --terminal-text: #edf2ff;
  --terminal-muted: #8590a6;
  --terminal-output: #b9c3d5;
  --inverse: #0a1222;
  --inverse-ink: #f5f7ff;
  --inverse-muted: #b6c0d2;
  --inverse-line: rgba(245, 247, 255, 0.24);
  --icon-surface: #eef2ff;
  --shadow: rgba(25, 43, 92, 0.14);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --page: min(100% - 3rem, 1380px);
  --content: min(100% - 3rem, 1180px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #080c14;
    --paper-raised: #0f1624;
    --paper-muted: #151e2e;
    --ink: #f4f7fc;
    --ink-soft: #dce4ef;
    --muted: #9eabc0;
    --line: rgba(244, 247, 252, 0.15);
    --line-strong: rgba(244, 247, 252, 0.38);
    --accent: #7890ff;
    --accent-bright: #98a9ff;
    --accent-solid: #3155ff;
    --accent-wash: #18275a;
    --header-bg: rgba(8, 12, 20, 0.88);
    --terminal: #03060d;
    --terminal-bar: #0a1020;
    --terminal-text: #edf2ff;
    --terminal-muted: #8290a8;
    --terminal-output: #b2bfd2;
    --icon-surface: #eef2ff;
    --shadow: rgba(0, 0, 0, 0.36);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-solid);
  color: #f7f9ff;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.85rem;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-grid {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.17;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 66%);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--page);
  min-height: 5rem;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  display: block;
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  font-size: 1.16rem;
  line-height: 1;
}

.brand-name strong {
  font-family: var(--sans);
  font-weight: 830;
  letter-spacing: -0.06em;
}

.brand-name span {
  font-family: var(--mono);
  font-size: 0.88em;
  font-weight: 620;
  letter-spacing: -0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.nav-links a,
.footer-links a {
  position: relative;
}

.nav-links a::after,
.footer-links a::after {
  position: absolute;
  right: 0;
  bottom: -0.3rem;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--accent);
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.footer-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.header-cta span {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(340px, 0.72fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  width: var(--page);
  min-height: calc(100svh - 5rem);
  margin: 0 auto;
  padding: clamp(5rem, 10vh, 8.5rem) 0 clamp(6rem, 12vh, 10rem);
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.status-dot {
  width: 0.58rem;
  height: 0.58rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-wash);
}

.hero h1 {
  max-width: 11ch;
  margin: 1.5rem 0 1.8rem;
  font-size: clamp(4.4rem, 8.3vw, 8.8rem);
  font-weight: 810;
  letter-spacing: -0.076em;
  line-height: 0.83;
}

.hero h1 span {
  display: block;
  color: var(--accent);
}

.hero-lede {
  max-width: 44rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.55vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.4rem;
}

.button {
  display: inline-flex;
  min-height: 3.3rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border: 1px solid var(--ink);
  padding: 0.82rem 1.12rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  line-height: 1;
  text-transform: uppercase;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translate(-2px, -2px);
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 5px 5px 0 var(--accent);
}

.button-primary:hover {
  box-shadow: 7px 7px 0 var(--accent);
}

.button-primary span {
  color: var(--accent-bright);
  font-size: 1rem;
}

.button-quiet {
  border-color: var(--line-strong);
  background: transparent;
}

.button-quiet:hover {
  background: var(--paper-raised);
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 3.4rem 0 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.055em;
  list-style: none;
  text-transform: uppercase;
}

.signal-list li {
  display: flex;
  align-items: center;
}

.signal-list li:not(:last-child)::after {
  width: 0.25rem;
  height: 0.25rem;
  margin: 0 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.evidence-card {
  position: relative;
  width: min(100%, 30rem);
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  box-shadow:
    16px 16px 0 var(--accent),
    0 20px 50px var(--shadow);
  transform: rotate(1.1deg);
}

.evidence-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.35rem;
  border-left: 1px dashed var(--line);
  content: "";
}

.receipt-heading,
.receipt-meta,
.evidence-chain,
.receipt-verdict,
.evidence-card figcaption {
  position: relative;
  z-index: 1;
}

.receipt-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.3rem 1rem 2.2rem;
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.receipt-state {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
}

.receipt-state i {
  width: 0.44rem;
  height: 0.44rem;
  border-radius: 50%;
  background: var(--accent);
}

.receipt-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
  padding-left: 1.35rem;
}

.receipt-meta div {
  display: grid;
  gap: 0.35rem;
  padding: 1.2rem 1rem;
}

.receipt-meta div + div {
  border-left: 1px solid var(--line);
}

.receipt-meta strong {
  font-family: var(--mono);
  font-size: 0.83rem;
  font-weight: 600;
}

.meta-key {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.09em;
}

.evidence-chain {
  margin: 0;
  padding: 1.45rem 1.3rem 1.4rem 2.2rem;
  list-style: none;
}

.evidence-chain::before {
  position: absolute;
  top: 2.1rem;
  bottom: 2.1rem;
  left: 2.62rem;
  width: 1px;
  background: var(--line-strong);
  content: "";
}

.evidence-chain li {
  position: relative;
  display: grid;
  grid-template-columns: 1.8rem 2.1rem 1fr auto;
  gap: 0.55rem;
  align-items: center;
  min-height: 2.9rem;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.chain-node {
  position: relative;
  z-index: 1;
  width: 0.78rem;
  height: 0.78rem;
  border: 2px solid var(--paper-raised);
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.evidence-chain li:last-child .chain-node {
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.chain-index {
  color: var(--muted);
}

.chain-kind {
  font-weight: 700;
}

.chain-state {
  border: 1px solid var(--line);
  padding: 0.15rem 0.34rem;
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.receipt-verdict {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px dashed var(--line-strong);
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 1.3rem 1.15rem 2.2rem;
}

.verdict-seal {
  display: inline-grid;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 800;
  transform: rotate(-7deg);
}

.receipt-verdict span:last-child {
  display: grid;
}

.receipt-verdict small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
}

.receipt-verdict strong {
  color: var(--accent);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}

.evidence-card figcaption {
  margin: 0;
  padding: 1.05rem 1.3rem 1.15rem 2.2rem;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.55;
}

.protocol-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 2vw, 2.1rem);
  min-height: 4.6rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--inverse);
  color: var(--inverse-ink);
  font-family: var(--mono);
  font-size: clamp(0.66rem, 0.9vw, 0.78rem);
  font-weight: 700;
  letter-spacing: 0.13em;
}

.protocol-strip i {
  color: var(--accent-bright);
  font-size: 1rem;
  font-style: normal;
}

.proof-section,
.model-section {
  width: var(--content);
  margin: 0 auto;
  padding: clamp(6.5rem, 11vw, 10rem) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
  column-gap: clamp(2rem, 6vw, 6rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-intro .section-kicker {
  grid-row: 1 / span 2;
  padding-top: 0.72rem;
}

.section-intro h2,
.agents-copy h2,
.cta-copy h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 5.3rem);
  font-weight: 780;
  letter-spacing: -0.06em;
  line-height: 0.97;
}

.section-intro > p:last-child {
  max-width: 45rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.section-intro code,
.terminal-notes code,
.feature-card code {
  padding: 0.06em 0.28em;
  background: var(--accent-wash);
  color: var(--ink);
}

.terminal {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: var(--terminal);
  color: var(--terminal-text);
  box-shadow: 11px 11px 0 var(--accent);
}

.terminal-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 3.25rem;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--terminal-bar);
  padding: 0 1rem;
}

.terminal-lights {
  display: flex;
  gap: 0.38rem;
}

.terminal-lights span {
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--terminal-muted);
  border-radius: 50%;
}

.terminal-lights span:first-child {
  border-color: var(--accent-bright);
  background: var(--accent-bright);
}

.terminal-title {
  color: var(--terminal-muted);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.055em;
}

.terminal-replay {
  justify-self: end;
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 0.1rem 0;
  background: transparent;
  color: var(--terminal-muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.terminal-replay:hover {
  color: var(--accent-bright);
}

.terminal pre {
  margin: 0;
  overflow-x: auto;
  padding: clamp(1.35rem, 3.3vw, 2.6rem);
  scrollbar-color: var(--accent) var(--terminal-bar);
}

.terminal code {
  display: block;
  min-width: 76rem;
  font-family: var(--mono);
  font-size: clamp(0.72rem, 0.9vw, 0.84rem);
  line-height: 1.75;
}

.terminal-step,
.terminal-step .line,
.terminal-step .comment,
.terminal-step .output {
  display: block;
}

.terminal-step + .terminal-step {
  margin-top: 1.1rem;
}

.comment {
  color: var(--terminal-muted);
}

.prompt,
.string,
.output.pass {
  color: var(--accent-bright);
}

.prompt {
  display: inline-block;
  width: 1.2rem;
  font-weight: 800;
}

.continuation {
  padding-left: 1.2rem;
}

.output {
  padding-left: 1.2rem;
  color: var(--terminal-output);
}

.output.strong {
  color: var(--terminal-text);
}

.output.pass {
  font-weight: 700;
}

.terminal.is-ready .terminal-step {
  opacity: 0;
  transform: translateY(7px);
}

.terminal.is-ready.is-revealed .terminal-step {
  animation: terminal-step-in 460ms ease-out both;
}

.terminal.is-ready.is-revealed .terminal-step-2 {
  animation-delay: 180ms;
}

.terminal.is-ready.is-revealed .terminal-step-3 {
  animation-delay: 360ms;
}

.terminal.is-ready.is-revealed .terminal-step-4 {
  animation-delay: 540ms;
}

@keyframes terminal-step-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.terminal-requirement {
  max-width: 52rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.terminal-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 4vw, 3.5rem);
  margin-top: 4.6rem;
}

.terminal-notes article {
  position: relative;
  border-top: 1px solid var(--line-strong);
  padding-top: 1.35rem;
}

.note-number,
.feature-index {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.terminal-notes h3,
.feature-card h3 {
  margin: 1rem 0 0.65rem;
  font-size: 1.18rem;
  letter-spacing: -0.025em;
}

.terminal-notes p,
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

.model-section {
  border-top: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.feature-card {
  position: relative;
  display: grid;
  min-height: 24rem;
  grid-template-rows: auto auto auto 1fr auto;
  padding: clamp(1.6rem, 4vw, 2.7rem);
  background: var(--paper);
  transition: background-color 180ms ease;
}

.feature-card:hover {
  background: var(--paper-raised);
}

.feature-card h3 {
  max-width: min(18rem, calc(100% - 5.5rem));
  margin-top: 2rem;
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.feature-card p {
  max-width: 30rem;
  margin-top: 1rem;
}

.feature-tag {
  align-self: end;
  margin-top: 2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.feature-icon {
  position: absolute;
  top: 2rem;
  right: 2.2rem;
  width: 4.75rem;
  height: 4.75rem;
  border: 1px solid var(--line);
  background: var(--icon-surface);
  object-fit: contain;
  padding: 0.62rem;
}

.agents-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.75fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  width: var(--page);
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) max(1.5rem, 5vw);
  background: var(--inverse);
  color: var(--inverse-ink);
}

.agents-copy .section-kicker {
  color: var(--accent-bright);
}

.agents-copy h2 {
  max-width: 13ch;
  margin-top: 1.4rem;
}

.agents-copy > p:not(.section-kicker) {
  max-width: 44rem;
  margin: 1.6rem 0 0;
  color: var(--inverse-muted);
  font-size: 1.06rem;
}

.agents-copy .agents-aside {
  border-left: 2px solid var(--accent);
  padding-left: 1.2rem;
  font-family: var(--mono);
  font-size: 0.77rem !important;
}

.identity-object {
  border: 1px solid var(--inverse-line);
  background: rgba(245, 247, 255, 0.06);
  box-shadow: 10px 10px 0 var(--accent);
  font-family: var(--mono);
}

.object-topline,
.object-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  font-size: 0.63rem;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.object-topline {
  border-bottom: 1px solid var(--inverse-line);
  color: var(--inverse-muted);
}

.object-topline span:last-child {
  color: var(--accent-bright);
}

.identity-object dl {
  margin: 0;
}

.identity-object dl div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.15rem 1rem;
  padding: 1.35rem 1.15rem;
  border-bottom: 1px solid var(--inverse-line);
}

.identity-object dt {
  grid-row: 1 / span 2;
  color: var(--accent-bright);
  font-size: 0.7rem;
}

.identity-object dd {
  margin: 0;
  overflow: hidden;
  font-size: 0.88rem;
  font-weight: 650;
  text-overflow: ellipsis;
}

.identity-object .identity-note {
  color: var(--inverse-muted);
  font-size: 0.61rem;
}

.object-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  color: var(--inverse-muted);
}

.object-footer span:nth-child(2) {
  color: var(--accent-bright);
  font-size: 1rem;
}

.object-footer strong {
  justify-self: end;
  color: var(--inverse-ink);
}

.cta-section {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: var(--page);
  margin: clamp(5rem, 9vw, 8rem) auto;
  padding: clamp(2rem, 5vw, 4.2rem);
  background: var(--accent-solid);
  color: #f7f9ff;
}

.cta-stamp {
  display: grid;
  width: 8.3rem;
  height: 8.3rem;
  place-content: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  text-align: center;
  transform: rotate(-7deg);
}

.cta-stamp::before,
.cta-stamp::after {
  display: block;
  width: 4.6rem;
  height: 1px;
  margin: 0.22rem auto;
  background: currentColor;
  content: "";
}

.cta-stamp span {
  font-family: var(--mono);
  font-size: 0.53rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.cta-stamp strong {
  margin: 0.1rem 0;
  font-size: 2rem;
  letter-spacing: -0.06em;
  line-height: 1;
}

.cta-copy .section-kicker {
  color: #f7f9ff;
}

.cta-copy h2 {
  margin-top: 0.75rem;
  font-size: clamp(2.4rem, 4.4vw, 4.7rem);
}

.cta-copy > p:last-child {
  max-width: 42rem;
  margin: 1rem 0 0;
  color: #f7f9ff;
}

.button-inverse {
  min-width: 13rem;
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 5px 5px 0 rgba(247, 249, 255, 0.82);
}

.button-inverse:hover {
  box-shadow: 7px 7px 0 rgba(247, 249, 255, 0.82);
}

.cta-section :focus-visible {
  outline-color: #f7f9ff;
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  width: var(--page);
  min-height: 8.5rem;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.footer-brand {
  color: var(--ink);
  font-family: var(--sans);
}

.footer-links {
  display: flex;
  gap: 1.4rem;
  color: var(--ink);
  text-transform: uppercase;
}

.footer-year {
  justify-self: end;
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(4.6rem, 12vw, 8.2rem);
  }

  .evidence-card {
    width: min(72%, 31rem);
    margin-left: auto;
    transform: rotate(0.6deg);
  }

  .cta-section {
    grid-template-columns: auto 1fr;
  }

  .cta-section .button {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 820px) {
  :root {
    --page: min(100% - 2rem, 1380px);
    --content: min(100% - 2rem, 1180px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    gap: 4.5rem;
    padding-top: 4.5rem;
  }

  .hero h1 {
    font-size: clamp(3.9rem, 15vw, 6.8rem);
  }

  .evidence-card {
    width: min(88%, 31rem);
  }

  .section-intro {
    grid-template-columns: 1fr;
  }

  .section-intro .section-kicker {
    grid-row: auto;
    padding: 0 0 1.2rem;
  }

  .terminal-notes,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 21rem;
  }

  .agents-section {
    grid-template-columns: 1fr;
  }

  .identity-object {
    width: min(100%, 33rem);
    justify-self: end;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    padding: 2.2rem 0;
  }

  .site-footer > p {
    grid-column: 1 / -1;
    grid-row: 2;
    margin: 0;
  }

  .footer-links {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .footer-year {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 580px) {
  :root {
    --page: min(100% - 1.3rem, 1380px);
    --content: min(100% - 1.3rem, 1180px);
  }

  .site-header {
    min-height: 4.4rem;
  }

  .header-cta {
    font-size: 0.63rem;
  }

  .header-cta span {
    display: none;
  }

  .hero {
    padding-top: 3.8rem;
    padding-bottom: 5.5rem;
  }

  .hero h1 {
    margin-top: 1.25rem;
    font-size: clamp(3.35rem, 18vw, 5.1rem);
    letter-spacing: -0.07em;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .signal-list {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

  .signal-list li:not(:last-child)::after {
    display: none;
  }

  .signal-list li::before {
    width: 0.25rem;
    height: 0.25rem;
    margin-right: 0.65rem;
    border-radius: 50%;
    background: var(--accent);
    content: "";
  }

  .evidence-card {
    width: calc(100% - 0.7rem);
    margin: 0 0 0 0.2rem;
    box-shadow: 8px 8px 0 var(--accent);
    transform: none;
  }

  .receipt-heading {
    padding-left: 1.8rem;
  }

  .receipt-meta {
    padding-left: 1rem;
  }

  .evidence-chain,
  .receipt-verdict,
  .evidence-card figcaption {
    padding-left: 1.8rem;
  }

  .evidence-chain li {
    grid-template-columns: 1.35rem 1.75rem 1fr;
  }

  .chain-state {
    grid-column: 3;
    justify-self: start;
  }

  .evidence-chain::before {
    left: 2.16rem;
  }

  .protocol-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 0.85rem 0.65rem;
    text-align: center;
  }

  .protocol-strip i {
    display: none;
  }

  .proof-section,
  .model-section {
    padding: 5.6rem 0;
  }

  .terminal {
    box-shadow: 6px 6px 0 var(--accent);
  }

  .terminal-bar {
    grid-template-columns: auto 1fr;
    gap: 1rem;
  }

  .terminal-title {
    justify-self: end;
  }

  .terminal-replay {
    display: none;
  }

  .terminal pre {
    overflow-x: hidden;
    padding: 1.25rem;
  }

  .terminal code {
    min-width: 0;
    font-size: 0.69rem;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
  }

  .feature-card {
    min-height: 22rem;
  }

  .feature-icon {
    top: 1.55rem;
    right: 1.55rem;
  }

  .agents-section {
    width: 100%;
    padding: 5rem 1.25rem;
  }

  .identity-object {
    width: calc(100% - 0.55rem);
    justify-self: start;
    box-shadow: 7px 7px 0 var(--accent);
  }

  .identity-object dl div {
    grid-template-columns: 4.7rem minmax(0, 1fr);
  }

  .cta-section {
    grid-template-columns: 1fr;
    margin: 5rem auto;
    padding: 2.2rem 1.4rem;
  }

  .cta-stamp {
    width: 6.8rem;
    height: 6.8rem;
  }

  .cta-section .button {
    grid-column: 1;
    width: 100%;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
  }

  .terminal.is-ready .terminal-step {
    opacity: 1;
    transform: none;
  }
}

@media (forced-colors: active) {
  .page-grid {
    display: none;
  }

  .button,
  .evidence-card,
  .terminal,
  .feature-grid,
  .identity-object,
  .cta-section {
    box-shadow: none;
  }
}