:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #090909;
  --surface-2: #0e0e0e;
  --line: rgba(245, 245, 240, 0.12);
  --line-strong: rgba(245, 245, 240, 0.24);
  --text: #f2f2ee;
  --muted: #92928c;
  --acid: #f2f2ee;
  --cyan: #b8b8b1;
  --positive: #64c987;
  --positive-soft: rgba(100, 201, 135, 0.12);
  --danger: #e07171;
  --danger-soft: rgba(224, 113, 113, 0.11);
  --warning: #d2a74f;
  --warning-soft: rgba(210, 167, 79, 0.1);
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Iowan Old Style", Baskerville, "Times New Roman", serif;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--bg);
  background: var(--acid);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 76px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 5, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 720;
  letter-spacing: -0.035em;
}

.brand sup {
  margin-left: -5px;
  color: var(--acid);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.brand-mark {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: var(--acid);
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.brand-mark circle {
  fill: var(--acid);
  stroke: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

nav a {
  transition: color 160ms ease;
}

nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  color: var(--text);
  background: transparent;
  font: 600 13px var(--sans);
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 132px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 76px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  min-height: calc(100vh - 76px);
  gap: clamp(48px, 7vw, 110px);
  padding-top: 72px;
  padding-bottom: 72px;
}

.eyebrow,
.section-number {
  margin: 0 0 26px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--acid);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(60px, 7.2vw, 108px);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.055em;
}

h1 span {
  color: var(--text);
}

h2 {
  margin-bottom: 30px;
  font-size: clamp(42px, 5vw, 72px);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 12px;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.lede {
  max-width: 670px;
  margin-bottom: 34px;
  color: #b6b6b0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero-thesis {
  max-width: 670px;
  margin-bottom: 12px;
  color: var(--text);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.hero .lede {
  margin-bottom: 13px;
  color: #d0d0ca;
}

.hero-explainer {
  max-width: 620px;
  margin: 24px 0 0;
  color: #858580;
  font-size: 13px;
  line-height: 1.65;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: #b8b8b2;
  background: rgba(255, 255, 255, 0.018);
  font: 9px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.signal i {
  font-style: normal;
  font-weight: 800;
}

.signal.positive {
  border-color: rgba(100, 201, 135, 0.28);
  color: var(--positive);
  background: var(--positive-soft);
}

.signal.caution {
  border-color: rgba(210, 167, 79, 0.28);
  color: var(--warning);
  background: var(--warning-soft);
}

.signal.negative {
  border-color: rgba(224, 113, 113, 0.28);
  color: var(--danger);
  background: var(--danger-soft);
}

.hero-signals {
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  font-size: 14px;
  font-weight: 680;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button.primary {
  border-color: var(--acid);
  color: #0a0d09;
  background: var(--acid);
}

.button.secondary:hover {
  border-color: var(--cyan);
  background: rgba(245, 245, 240, 0.05);
}

.microcopy {
  max-width: 570px;
  margin: 23px 0 0;
  color: #858580;
  font-size: 13px;
}

.terminal-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.terminal-head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: #777772;
  font: 10px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.traffic {
  display: flex;
  gap: 5px;
}

.traffic i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3c3c39;
}

.verified {
  justify-self: end;
  color: var(--positive);
}

.terminal-body {
  padding: clamp(24px, 3vw, 38px);
  font: 12px/1.8 var(--mono);
}

.terminal-body p {
  margin-bottom: 8px;
  white-space: nowrap;
}

.terminal-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 8px;
}

.terminal-command p {
  margin: 0;
}

.terminal-command button {
  flex: none;
  min-width: 44px;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
  font: 9px var(--mono);
  text-transform: uppercase;
  cursor: pointer;
}

.terminal-command button:hover {
  background: rgba(245, 245, 240, 0.06);
}

.terminal-body .last {
  margin-top: 18px;
  margin-bottom: 0;
  white-space: normal;
}

.prompt,
.success {
  color: var(--acid);
}

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

.label {
  display: inline-block;
  width: 118px;
  color: var(--cyan);
}

.muted {
  color: #73736e;
}

.secret {
  letter-spacing: 0.12em;
}

.address {
  color: #adada7;
}

.terminal-progress {
  height: 2px;
  margin: 25px 0 22px;
  background: #292927;
}

.terminal-progress span {
  display: block;
  width: 78%;
  height: 100%;
  background: var(--text);
}

.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.principles div {
  min-height: 138px;
  padding: 30px 28px;
  border-right: 1px solid var(--line);
}

.principles div:first-child {
  padding-left: 0;
}

.principles div:last-child {
  border-right: 0;
}

.principles strong,
.principles span {
  display: block;
}

.principles a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.principles strong {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 620;
}

.principles strong i {
  flex: none;
  color: var(--positive);
  font-style: normal;
  font-weight: 800;
}

.principles span {
  max-width: 290px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.statement h2 {
  max-width: 860px;
}

.statement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  max-width: 940px;
  margin-left: auto;
  color: #adada7;
  font-size: 17px;
}

.burden-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 940px;
  margin: 68px 0 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.burden-grid article {
  min-height: 150px;
  padding: 28px 32px;
  border-right: 1px solid var(--line);
}

.burden-grid article:last-child {
  border-right: 0;
}

.burden-grid span,
.burden-grid strong {
  display: block;
}

.burden-grid span {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 38px;
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.burden-grid span i {
  display: inline-grid;
  width: 19px;
  height: 19px;
  place-items: center;
  border: 1px solid rgba(224, 113, 113, 0.35);
  border-radius: 50%;
  color: var(--danger);
  background: var(--danger-soft);
  font: normal 700 13px var(--sans);
}

.burden-grid strong {
  font-size: 20px;
  font-weight: 560;
  letter-spacing: -0.025em;
}

.legacy h2 {
  max-width: 980px;
}

.legacy-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: stretch;
  gap: 80px;
  margin-top: 68px;
}

.legacy-grid > div:first-child {
  color: #adada7;
  font-size: 16px;
}

.failure-formula {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.15fr;
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--surface);
}

.failure-formula span,
.failure-formula strong {
  display: flex;
  align-items: center;
  min-height: 180px;
  padding: 28px;
  font-size: 15px;
  font-weight: 560;
  line-height: 1.4;
}

.failure-formula span {
  color: #a8a8a2;
}

.failure-formula strong {
  gap: 12px;
  color: var(--text);
  background: #0c0c0b;
}

.failure-formula strong b {
  display: inline-grid;
  flex: none;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(224, 113, 113, 0.35);
  border-radius: 50%;
  color: var(--danger);
  background: var(--danger-soft);
  font: 700 15px var(--sans);
}

.failure-formula i {
  align-self: center;
  color: #5f5f5a;
  font: normal 16px var(--mono);
}

.comparison-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  scrollbar-color: var(--line-strong) var(--bg);
}

.comparison-swipe {
  display: none;
}

.mobile-verdicts {
  display: none;
}

.comparison-scroll:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

.comparison table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  table-layout: fixed;
}

.comparison th,
.comparison td {
  padding: 24px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.comparison tr:last-child th,
.comparison tr:last-child td {
  border-bottom: 0;
}

.comparison th:last-child,
.comparison td:last-child {
  border-right: 0;
}

.comparison thead th {
  height: 164px;
  background: #080808;
}

.comparison thead th:first-child,
.comparison tbody th {
  width: 17%;
}

.comparison thead span,
.comparison thead small,
.comparison thead .product-verdict {
  display: block;
}

.comparison thead span {
  margin-bottom: 8px;
  color: var(--text);
  font-size: 17px;
  font-weight: 620;
}

.comparison thead small {
  color: var(--muted);
  font: 10px var(--mono);
}

.product-verdict {
  width: fit-content;
  margin-top: 24px;
  padding: 5px 7px;
  border: 1px solid var(--line);
  color: #b3b3ad;
  font: 8px var(--mono);
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.product-verdict i {
  margin-right: 6px;
  font-style: normal;
}

.product-verdict.established,
.product-verdict.preferred {
  border-color: rgba(100, 201, 135, 0.28);
  color: var(--positive);
  background: var(--positive-soft);
}

.product-verdict.avoid {
  border-color: rgba(224, 113, 113, 0.3);
  color: var(--danger);
  background: var(--danger-soft);
}

.comparison tbody th {
  color: #8c8c86;
  background: #070707;
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.comparison tbody td {
  color: #969690;
  background: var(--surface);
  font-size: 12px;
  line-height: 1.55;
}

.comparison .brainvault-column {
  color: #c7c7c1;
  background: linear-gradient(180deg, rgba(100, 201, 135, 0.075), #0d0d0c 44%);
  box-shadow: inset 1px 0 rgba(100, 201, 135, 0.3), inset -1px 0 rgba(100, 201, 135, 0.3);
}

.comparison td strong {
  color: var(--text);
  font-weight: 620;
}

.rating {
  display: flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  margin-bottom: 9px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  color: #aaa9a3;
  background: rgba(255, 255, 255, 0.018);
  font: 9px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.rating::before {
  font-weight: 800;
  content: "·";
}

.rating.strong {
  border-color: rgba(100, 201, 135, 0.26);
  color: var(--positive);
  background: var(--positive-soft);
}

.rating.strong::before {
  content: "✓";
}

.rating.caution {
  border-color: rgba(210, 167, 79, 0.26);
  color: var(--warning);
  background: var(--warning-soft);
}

.rating.caution::before {
  content: "!";
}

.rating.weak {
  border-color: rgba(224, 113, 113, 0.28);
  color: var(--danger);
  background: var(--danger-soft);
}

.rating.weak::before {
  content: "×";
}

.rating.neutral::before {
  content: "•";
}

.verdict-row td,
.verdict-row th {
  padding-top: 30px;
  padding-bottom: 30px;
}

.comparison-note {
  max-width: 830px;
  margin: 22px 0 0 auto;
  color: #777772;
  font-size: 11px;
  line-height: 1.65;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 70px;
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.section-heading > p {
  color: #a0a09a;
}

.cost-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 16px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.cost-split article {
  display: grid;
  grid-template-columns: 90px minmax(150px, 0.55fr) 1fr;
  align-items: center;
  gap: 24px;
  min-height: 116px;
  padding: 24px 28px;
  border-right: 1px solid var(--line);
}

.cost-split article:last-child {
  border-right: 0;
}

.cost-split span {
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cost-split span i {
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-right: 8px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font: normal 800 12px var(--sans);
}

.cost-split .user-cost > span {
  color: var(--positive);
}

.cost-split .attacker-cost > span {
  color: var(--danger);
}

.cost-split strong {
  font-size: 17px;
  font-weight: 620;
}

.cost-split p {
  margin: 0;
  color: #8d8d87;
  font-size: 12px;
}

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
}

.flow-node {
  position: relative;
  min-height: 208px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.flow-node:hover {
  border-color: var(--line-strong);
}

.node-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 32px;
}

.node-top .rating {
  margin: 0;
}

.node-index {
  display: block;
  margin: 5px 0 0;
  color: var(--muted);
  font: 11px var(--mono);
}

.flow-node p,
.flow-node li {
  color: #a2a29c;
  font-size: 13px;
  line-height: 1.55;
}

.flow-node small {
  display: block;
  margin-top: 20px;
  color: #71716c;
  font-size: 11px;
  line-height: 1.55;
}

.flow-node ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-node code {
  color: var(--acid);
  font: 10px var(--mono);
}

.flow-arrow {
  align-self: center;
  padding: 0 8px;
  color: #52524e;
  font-family: var(--mono);
}

.shard-stack {
  position: absolute;
  right: 18px;
  bottom: 17px;
  width: 38px;
  height: 31px;
}

.shard-stack i {
  position: absolute;
  right: 0;
  width: 32px;
  height: 18px;
  border: 1px solid rgba(245, 245, 240, 0.22);
  background: var(--surface);
}

.shard-stack i:nth-child(1) { bottom: 0; right: 0; }
.shard-stack i:nth-child(2) { bottom: 4px; right: 3px; }
.shard-stack i:nth-child(3) { bottom: 8px; right: 6px; }
.shard-stack i:nth-child(4) { bottom: 12px; right: 9px; border-color: var(--cyan); }

.projection-line {
  width: calc(100% - 100px);
  height: 50px;
  margin: 0 auto;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.projections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: calc(100% - 100px);
  margin: 0 auto;
}

.projections article {
  padding: 28px;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--surface);
}

.projections span {
  color: var(--acid);
  font: 10px var(--mono);
}

.projections span::before {
  margin-right: 8px;
  color: var(--positive);
  font-weight: 800;
  content: "✓";
}

.projections h3 {
  margin-top: 26px;
}

.projections p,
.protocol-note {
  margin-bottom: 0;
  color: #969690;
  font-size: 13px;
}

.protocol-note {
  width: calc(100% - 100px);
  margin: 24px auto 0;
}

.protocol-note strong {
  color: var(--text);
}

.technical-recipe {
  width: calc(100% - 100px);
  margin: 36px auto 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.technical-recipe summary {
  padding: 20px 0;
  color: var(--muted);
  font: 12px var(--mono);
  cursor: pointer;
}

.technical-recipe[open] summary {
  color: var(--text);
}

.technical-recipe dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0 0 22px;
  border: 1px solid var(--line);
}

.technical-recipe dl div {
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.technical-recipe dl div:nth-child(even) {
  border-right: 0;
}

.technical-recipe dl div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.technical-recipe dt {
  margin-bottom: 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 620;
}

.technical-recipe dd {
  margin: 0;
  color: var(--muted);
  font: 11px/1.6 var(--mono);
}

.demo-heading {
  display: grid;
  grid-template-columns: 0.95fr 0.55fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 70px;
}

.demo-heading .section-number {
  grid-column: 1 / -1;
  margin-bottom: -32px;
}

.demo-heading h2,
.demo-heading p {
  margin-bottom: 0;
}

.demo-heading p:last-child {
  color: #9b9b95;
  font-size: 14px;
}

.demo-frame {
  width: min(1000px, 100%);
  margin: 0 auto;
}

.demo-signals {
  justify-content: center;
  margin-bottom: 14px;
}

.demo-frame video {
  display: block;
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #070707;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
  filter: grayscale(1) contrast(1.06);
}

.demo-frame figcaption {
  max-width: 800px;
  margin: 18px auto 0;
  color: #777772;
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
}

.secret-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.72fr;
  gap: 16px;
}

.secret-card {
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.secret-card.featured {
  border-color: rgba(100, 201, 135, 0.38);
  background: linear-gradient(180deg, var(--positive-soft), #0c0c0b 28%);
}

.secret-card.validated {
  border-color: rgba(100, 201, 135, 0.22);
}

.secret-card.caution {
  border-color: rgba(210, 167, 79, 0.28);
  background: linear-gradient(180deg, var(--warning-soft), #070707 28%);
}

.secret-card.featured .card-top em,
.secret-card.validated .card-top em {
  color: var(--positive);
}

.secret-card.caution .card-top em {
  color: var(--warning);
}

.secret-card.featured .card-top em::before,
.secret-card.validated .card-top em::before {
  margin-right: 6px;
  font-weight: 800;
  content: "✓";
}

.secret-card.caution .card-top em::before {
  margin-right: 6px;
  font-weight: 800;
  content: "!";
}

.secret-card > p {
  color: #9b9b95;
  font-size: 13px;
}

.secret-card .code-line {
  margin-top: auto;
  margin-bottom: 20px;
}

.secret-card small {
  color: #777772;
  font-size: 11px;
  line-height: 1.55;
}

.backup-callout {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 60px;
  margin-top: 16px;
  padding: 34px;
  border: 1px solid rgba(210, 167, 79, 0.28);
  background: var(--warning-soft);
}

.backup-callout span,
.backup-callout strong {
  display: block;
}

.backup-callout span {
  margin-bottom: 8px;
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.backup-callout span::before {
  margin-right: 7px;
  color: var(--warning);
  font-weight: 800;
  content: "!";
}

.backup-callout strong {
  font-size: 18px;
  font-weight: 620;
}

.backup-callout p {
  margin: 0;
  color: #a8a8a2;
  font-size: 14px;
}

.run-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.command-card {
  display: flex;
  flex-direction: column;
  min-height: 450px;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.command-card.featured {
  border-color: rgba(100, 201, 135, 0.32);
  background: #0c0c0b;
}

.card-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 48px;
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-top em {
  color: var(--acid);
  font-style: normal;
}

.command-card > p {
  min-height: 72px;
  color: #9b9b95;
  font-size: 13px;
}

.command-card pre,
.code-line {
  overflow-x: auto;
  margin: 18px 0 28px;
  padding: 19px;
  border: 1px solid var(--line);
  background: #050505;
  color: #deded8;
  font: 11px/1.7 var(--mono);
}

.command-card pre {
  white-space: pre;
}

.command-card code {
  font-family: var(--mono);
}

.code-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
}

.code-line button {
  flex: none;
  min-width: 44px;
  min-height: 36px;
  padding: 6px 9px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  font: 9px var(--mono);
  cursor: pointer;
}

.assurance-meter {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: #858580;
  font: 8px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.assurance-meter > i {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  min-width: 70px;
}

.assurance-meter > i b {
  display: block;
  height: 4px;
  background: #2e2e2b;
}

.assurance-meter.level-one > i b:nth-child(1),
.assurance-meter.level-two > i b:nth-child(-n + 2),
.assurance-meter.level-three > i b {
  background: var(--positive);
}

.assurance-meter strong {
  color: var(--positive);
  font-weight: 650;
}

.check-list {
  margin: auto 0 0;
  padding: 0;
  color: #92928c;
  font-size: 12px;
  list-style: none;
}

.check-list li {
  margin-top: 9px;
  padding-left: 18px;
}

.check-list li::before {
  display: inline-block;
  width: 18px;
  margin-left: -18px;
  margin-right: 9px;
  color: var(--positive);
  font-weight: 800;
  content: "✓";
}

.check-list strong {
  color: #c8c8c2;
  font-weight: 600;
}

.text-link {
  margin-top: auto;
  color: var(--cyan);
  font-size: 12px;
}

.truth-callout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 50px;
  margin-top: 16px;
  padding: 30px;
  border: 1px solid var(--line-strong);
  background: #080808;
}

.truth-callout span {
  color: var(--cyan);
  font: 11px var(--mono);
}

.truth-callout p {
  max-width: 780px;
  margin: 0;
  color: #adada7;
  font-size: 14px;
}

.truth-callout code,
.no-shortcut code {
  font-family: var(--mono);
}

.silicon-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
}

.benchmark-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 34px 0 72px;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.benchmark-strip div {
  min-height: 170px;
  padding: 28px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.benchmark-strip > div > b {
  display: block;
  margin-bottom: 28px;
  color: var(--positive);
  font: 8px var(--mono);
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.benchmark-strip > div > b i {
  margin-right: 7px;
  font-style: normal;
}

.benchmark-strip strong,
.benchmark-strip span {
  display: block;
}

.benchmark-strip strong {
  color: var(--text);
  font: 400 clamp(42px, 5vw, 72px)/1 var(--serif);
  letter-spacing: -0.045em;
}

.benchmark-strip span {
  max-width: 290px;
  margin-top: 20px;
  color: #92928c;
  font-size: 12px;
  line-height: 1.55;
}

.silicon-grid > div:first-child p {
  max-width: 470px;
  color: #a2a29c;
}

.silicon-grid > div:first-child .measured-note {
  margin-top: 28px;
  color: #777772;
  font-size: 12px;
}

.hardware-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hardware-cards article {
  min-height: 320px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.hardware-cards article.active {
  border-color: var(--line-strong);
}

.chip {
  display: inline-block;
  margin-bottom: 80px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font: 9px var(--mono);
  text-transform: uppercase;
}

.chip.positive-chip {
  border-color: rgba(100, 201, 135, 0.28);
  color: var(--positive);
  background: var(--positive-soft);
}

.chip.positive-chip i {
  margin-right: 7px;
  font-style: normal;
  font-weight: 800;
}

.hardware-cards article.active .chip {
  color: var(--positive);
}

.hardware-cards p,
.silicon-footnote {
  color: #92928c;
  font-size: 13px;
}

.machine-profile {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.machine-profile div {
  min-height: 86px;
  padding: 17px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.machine-profile dt {
  margin-bottom: 5px;
  color: #777772;
  font: 8px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.machine-profile dd {
  margin: 0;
}

.machine-profile dd strong,
.machine-profile dd span {
  display: block;
}

.machine-profile dd strong {
  color: #c4c4be;
  font: 11px/1.5 var(--mono);
}

.machine-profile dd span {
  margin-top: 7px;
  color: #777772;
  font-size: 10px;
  line-height: 1.5;
}

.silicon-footnote {
  margin: 32px 0 0;
  text-align: right;
}

.audit-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.audit-disclosure {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.audit-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 26px 0;
  cursor: pointer;
  list-style: none;
}

.audit-disclosure > summary::-webkit-details-marker,
.evidence-disclosure > summary::-webkit-details-marker {
  display: none;
}

.audit-disclosure > summary::after,
.evidence-disclosure > summary::after {
  flex: none;
  margin-left: auto;
  color: var(--muted);
  font: 18px var(--mono);
  content: "+";
}

.audit-disclosure[open] > summary::after,
.evidence-disclosure[open] > summary::after {
  content: "−";
}

.audit-disclosure > summary strong {
  font-size: 15px;
  font-weight: 620;
}

.audit-summary-copy {
  display: grid;
  gap: 4px;
}

.audit-disclosure > summary .audit-summary-copy small {
  color: var(--muted);
  font-size: 12px;
}

.audit-summary-signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.audit-disclosure > summary .audit-summary-signals b {
  padding: 5px 7px;
  border: 1px solid rgba(100, 201, 135, 0.24);
  color: var(--positive);
  background: var(--positive-soft);
  font: 8px var(--mono);
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.audit-summary-signals i {
  margin-right: 5px;
  font-style: normal;
}

.audit-steps li {
  display: grid;
  grid-template-columns: 54px 1fr minmax(240px, 0.7fr);
  gap: 34px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.audit-steps > li > span {
  color: var(--positive);
  font: 11px var(--mono);
}

.audit-steps > li > span::before {
  margin-right: 7px;
  font-weight: 800;
  content: "✓";
}

.audit-steps h3 {
  margin-bottom: 6px;
}

.audit-steps p {
  max-width: 620px;
  margin: 0;
  color: #969690;
  font-size: 13px;
}

.audit-steps code {
  justify-self: end;
  color: #81817b;
  font: 10px/1.7 var(--mono);
  text-align: right;
}

.no-shortcut {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 50px;
  margin-top: 36px;
  padding: 34px;
  border-left: 2px solid var(--acid);
  background: #090909;
}

.no-shortcut h3,
.no-shortcut p {
  margin: 0;
}

.no-shortcut p {
  color: #a8a8a2;
  font-size: 14px;
}

.evidence-disclosure {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.section.evidence {
  padding-top: 64px;
  padding-bottom: 64px;
}

.evidence-disclosure > summary {
  display: grid;
  grid-template-columns: 180px 1fr auto auto;
  align-items: center;
  gap: 28px;
  min-height: 94px;
  cursor: pointer;
  list-style: none;
}

.evidence-disclosure > summary .section-number {
  margin: 0;
}

.evidence-disclosure > summary strong {
  font-size: 16px;
  font-weight: 620;
}

.evidence-disclosure > summary small {
  color: var(--positive);
  font-size: 11px;
}

.evidence-disclosure > summary small i {
  margin-right: 7px;
  font-style: normal;
}

.evidence-body {
  padding: 34px 0 4px;
  border-top: 1px solid var(--line);
}

.evidence-body > p {
  max-width: 760px;
  color: #9b9b95;
  font-size: 14px;
}

.evidence-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 34px 0 16px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.evidence-facts article {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.evidence-facts h3::before {
  margin-right: 8px;
  color: var(--positive);
  font-weight: 800;
  content: "✓";
}

.evidence-facts p,
.root-card p,
.model-reviews p {
  margin: 0;
  color: #858580;
  font-size: 12px;
}

.root-card {
  min-height: 190px;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.root-card > span {
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.root-card code {
  display: block;
  overflow-wrap: anywhere;
  margin: 38px 0 24px;
  color: var(--cyan);
  font: clamp(13px, 1.7vw, 20px)/1.5 var(--mono);
}

.model-reviews {
  margin-top: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.model-reviews summary {
  color: var(--muted);
  font: 11px var(--mono);
  cursor: pointer;
}

.model-reviews p {
  max-width: 760px;
  margin-top: 18px;
}

.warnings {
  color: var(--text);
  background: transparent;
}

.warnings .section-number {
  color: var(--danger);
}

.warnings-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
}

.warnings-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.warnings-grid li {
  position: relative;
  padding: 20px 0;
  padding-left: 38px;
  border-bottom: 1px solid var(--line);
  color: #9b9b95;
  font-size: 14px;
}

.warnings-grid li::before {
  position: absolute;
  top: 20px;
  left: 0;
  display: inline-grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font: 800 12px var(--sans);
}

.warnings-grid li:first-child::before {
  top: 0;
}

.warnings-grid li.critical::before {
  color: var(--danger);
  background: var(--danger-soft);
  content: "×";
}

.warnings-grid li.caution::before {
  color: var(--warning);
  background: var(--warning-soft);
  content: "!";
}

.warnings-grid li:first-child {
  padding-top: 0;
}

.warnings-grid strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

.final-cta {
  padding-top: 160px;
  padding-bottom: 160px;
  text-align: center;
}

.final-cta .eyebrow {
  margin-bottom: 34px;
}

.final-cta h2 {
  font-size: clamp(58px, 8vw, 108px);
}

.final-copy {
  max-width: 680px;
  margin: 0 auto 36px;
  color: #92928c;
  font-size: 15px;
}

.final-signals {
  justify-content: center;
  margin: 0 auto 34px;
}

.final-cta .hero-actions {
  justify-content: center;
}

footer {
  display: grid;
  grid-template-columns: 0.5fr 1.25fr 0.75fr;
  align-items: center;
  gap: 40px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 42px 0 54px;
  color: #777772;
  font-size: 11px;
}

.footer-brand {
  color: var(--text);
}

footer p {
  margin: 0;
  text-align: center;
}

footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

footer a:hover {
  color: var(--text);
}

@media (max-width: 1080px) {
  nav {
    gap: 18px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .terminal-card {
    width: min(680px, 100%);
  }

  .flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow-arrow {
    display: none;
  }

  .flow-node {
    min-height: 230px;
    margin-right: -1px;
  }

  .projection-line,
  .projections,
  .protocol-note,
  .technical-recipe {
    width: 100%;
  }

  .secret-grid {
    grid-template-columns: 1fr 1fr;
  }

  .demo-heading {
    grid-template-columns: 1fr 1fr;
  }

  .secret-card.caution {
    grid-column: 1 / -1;
    min-height: 240px;
  }

  .legacy-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .evidence-facts {
    grid-template-columns: 1fr 1fr;
  }

  .run-grid {
    grid-template-columns: 1fr 1fr;
  }

  .command-card:last-child {
    grid-column: 1 / -1;
    min-height: 390px;
  }

  .silicon-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .silicon-grid > div:first-child p {
    max-width: 700px;
  }
}

@media (max-width: 760px) {
  .topbar {
    height: 66px;
    padding: 0 20px;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 65px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 5, 5, 0.98);
  }

  nav.open {
    display: flex;
  }

  nav a {
    padding: 13px 0;
  }

  .nav-cta {
    margin-top: 8px;
    padding: 11px 13px;
  }

  .section {
    width: min(100% - 32px, var(--max));
    padding: 92px 0;
    scroll-margin-top: 66px;
  }

  .hero {
    gap: 52px;
    padding-top: 70px;
    padding-bottom: 70px;
  }

  h1 {
    font-size: clamp(54px, 18vw, 76px);
  }

  h2 {
    font-size: clamp(38px, 12vw, 56px);
  }

  .terminal-body {
    overflow-x: auto;
  }

  .terminal-body p {
    min-width: 480px;
  }

  .terminal-body .terminal-command p {
    min-width: 0;
  }

  .terminal-body .last {
    min-width: 0;
  }

  .principles {
    grid-template-columns: 1fr;
    width: calc(100% - 32px);
  }

  .principles div,
  .principles div:first-child {
    min-height: 0;
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .statement-grid,
  .section-heading,
  .demo-heading,
  .warnings-grid,
  .no-shortcut,
  .truth-callout,
  .backup-callout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .burden-grid,
  .cost-split {
    grid-template-columns: 1fr;
  }

  .burden-grid article,
  .cost-split article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .burden-grid article:last-child,
  .cost-split article:last-child {
    border-bottom: 0;
  }

  .failure-formula {
    grid-template-columns: 1fr;
  }

  .failure-formula span,
  .failure-formula strong {
    min-height: 92px;
  }

  .failure-formula i {
    justify-self: center;
    padding: 8px 0;
  }

  .cost-split article {
    grid-template-columns: 74px 1fr;
  }

  .cost-split p {
    grid-column: 2;
  }

  .statement-grid {
    font-size: 15px;
  }

  .demo-heading .section-number {
    grid-column: auto;
    margin-bottom: 2px;
  }

  .section-heading {
    margin-bottom: 48px;
  }

  .section.evidence {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .flow-node {
    min-height: 180px;
    margin: 0;
  }

  .node-index {
    margin: 5px 0 0;
  }

  .projection-line {
    display: none;
  }

  .projections,
  .run-grid,
  .hardware-cards,
  .secret-grid,
  .evidence-facts {
    grid-template-columns: 1fr;
  }

  .machine-profile {
    grid-template-columns: 1fr;
  }

  .benchmark-strip {
    grid-template-columns: 1fr;
    margin-bottom: 48px;
  }

  .benchmark-strip div {
    min-height: 0;
  }

  .comparison-swipe {
    display: block;
    margin: -24px 0 14px;
    color: var(--warning);
    font: 10px var(--mono);
    letter-spacing: 0.04em;
  }

  .mobile-verdicts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: -20px 0 44px;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .mobile-verdicts > span {
    min-width: 0;
    padding: 13px 10px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--surface);
  }

  .mobile-verdicts > span.preferred {
    background: var(--positive-soft);
  }

  .mobile-verdicts b,
  .mobile-verdicts small {
    display: block;
  }

  .mobile-verdicts b {
    overflow: hidden;
    font: 8px var(--mono);
    font-weight: 650;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .mobile-verdicts b i {
    margin-right: 5px;
    font-style: normal;
  }

  .mobile-verdicts b.positive {
    color: var(--positive);
  }

  .mobile-verdicts b.negative {
    color: var(--danger);
  }

  .mobile-verdicts small {
    margin-top: 7px;
    overflow: hidden;
    color: var(--muted);
    font-size: 8px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .secret-card.caution {
    grid-column: auto;
  }

  .technical-recipe dl {
    grid-template-columns: 1fr;
  }

  .technical-recipe dl div,
  .technical-recipe dl div:nth-child(even),
  .technical-recipe dl div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .technical-recipe dl div:last-child {
    border-bottom: 0;
  }

  .audit-disclosure > summary,
  .evidence-disclosure > summary {
    align-items: flex-start;
  }

  .audit-disclosure > summary {
    position: relative;
    flex-direction: column;
    padding-right: 40px;
  }

  .audit-disclosure > summary::after {
    position: absolute;
    top: 24px;
    right: 0;
  }

  .audit-summary-signals {
    justify-content: flex-start;
  }

  .evidence-disclosure > summary {
    grid-template-columns: 1fr auto;
    gap: 8px 18px;
    padding: 24px 0;
  }

  .evidence-disclosure > summary .section-number,
  .evidence-disclosure > summary strong,
  .evidence-disclosure > summary small {
    grid-column: 1;
  }

  .evidence-disclosure > summary::after {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .projections {
    gap: 10px;
    margin-top: 10px;
  }

  .projections article {
    border-top: 1px solid var(--line);
  }

  .protocol-note {
    margin-top: 22px;
  }

  .command-card,
  .command-card:last-child {
    grid-column: auto;
    min-height: auto;
  }

  .command-card > p {
    min-height: 0;
  }

  .check-list,
  .text-link {
    margin-top: 28px;
  }

  .truth-callout {
    padding: 24px;
  }

  .audit-steps li {
    grid-template-columns: 38px 1fr;
    gap: 16px;
  }

  .audit-steps code {
    grid-column: 2;
    justify-self: start;
    text-align: left;
  }

  .root-card {
    grid-column: auto;
  }

  .warnings-grid {
    gap: 38px;
  }

  .final-cta {
    padding-top: 110px;
    padding-bottom: 110px;
  }

  footer {
    grid-template-columns: 1fr;
    width: calc(100% - 32px);
    text-align: center;
  }

  footer p {
    text-align: center;
  }

  footer > div {
    justify-content: center;
  }

  .footer-brand {
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}