:root {
  --ink: #191919;
  --aether: #1f4e5f;
  --glow: #46c7cf;
  --mist: #eef4f5;
  --paper: #f7fbfa;
  --deep: #0b2427;
  --deep-2: #103238;
  --chalk: #e8f1ee;
  --chalk-soft: #a9bfbc;
  --line: rgba(31, 78, 95, 0.22);
  --line-dark: rgba(232, 241, 238, 0.18);
  --display: Optima, Candara, "Trebuchet MS", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, system-ui, sans-serif;
  --reading: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --page: 1240px;
  --gutter: clamp(20px, 4vw, 64px);
  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--deep);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  color: var(--deep);
  background: #acd8d3;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

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

:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 4px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.shell {
  width: min(100%, var(--page));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--deep);
  background: var(--chalk);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: absolute;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--chalk);
}

.site-header.is-solid {
  position: relative;
  color: var(--deep);
  background: var(--mist);
}

.nav-plate {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 90px;
  gap: clamp(24px, 4vw, 64px);
  padding-inline: var(--gutter);
  background: rgba(8, 31, 34, 0.86);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 31px) 100%, 31px 100%, 0 calc(100% - 16px));
}

.site-header.is-solid .nav-plate {
  background: #dbe8e6;
}

.brand-link {
  width: 104px;
  flex: none;
}

.brand-link img {
  width: 104px;
  height: auto;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  color: inherit;
  font-size: 0.87rem;
  font-weight: 560;
  text-decoration: none;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--glow);
}

.site-header.is-solid .nav-links a:hover,
.site-header.is-solid .nav-links a[aria-current="page"] {
  color: var(--aether);
}

.nav-report {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 18px 11px;
  color: var(--deep);
  background: var(--chalk);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  transition: background-color 180ms ease, color 180ms ease;
}

.site-header.is-solid .nav-report {
  color: var(--chalk);
  background: var(--deep);
}

.nav-report:hover {
  color: var(--deep);
  background: #b9ddd8;
}

.site-header.is-solid .nav-report:hover {
  color: var(--chalk);
  background: var(--aether);
}

.diag-arrow {
  display: inline-block;
  font-size: 1.05em;
  transition: transform 180ms var(--ease);
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 25px;
  height: 2px;
  margin: 6px auto;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] span {
  transform: scaleX(0.35);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: var(--chalk);
  background:
    linear-gradient(128deg, rgba(70, 199, 207, 0.1) 0%, rgba(70, 199, 207, 0) 33%),
    linear-gradient(180deg, #071c1f 0%, var(--deep) 70%, #123237 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(116deg, transparent 0 70%, rgba(232, 241, 238, 0.04) 70% 70.15%, transparent 70.15%),
    linear-gradient(116deg, transparent 0 84%, rgba(232, 241, 238, 0.025) 84% 84.12%, transparent 84.12%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto;
  padding-top: 140px;
  padding-bottom: clamp(24px, 4vh, 44px);
}

.hero-copy {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  align-items: end;
  gap: clamp(28px, 5vw, 84px);
}

.hero-title {
  max-width: 10ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.8rem, 9.4vw, 9.1rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.78;
}

.hero-title span {
  display: block;
}

.hero-title .turn {
  color: #a9d1cc;
  font-family: var(--reading);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.07em;
}

.hero-intro {
  align-self: center;
  max-width: 34rem;
  margin: 0 0 clamp(8px, 2vw, 24px);
  color: #c8d8d5;
  font-family: var(--reading);
  font-size: clamp(1.08rem, 1.7vw, 1.36rem);
  line-height: 1.48;
}

.proof-instrument {
  position: relative;
  z-index: 2;
  align-self: center;
  width: 100%;
  margin-top: clamp(-14px, -1vw, 0px);
}

.instrument-frame {
  position: relative;
  overflow: hidden;
  min-height: clamp(300px, 42vh, 470px);
  color: #d9e7e4;
  background: rgba(10, 37, 40, 0.52);
  border: 1px solid rgba(174, 215, 209, 0.16);
  clip-path: polygon(0 34px, 34px 0, calc(100% - 68px) 0, calc(100% - 42px) 26px, 100% 26px, 100% calc(100% - 34px), calc(100% - 34px) 100%, 68px 100%, 42px calc(100% - 26px), 0 calc(100% - 26px));
}

.instrument-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  border: 1px solid rgba(174, 215, 209, 0.08);
  clip-path: polygon(0 26px, 26px 0, calc(100% - 58px) 0, calc(100% - 34px) 24px, 100% 24px, 100% calc(100% - 26px), calc(100% - 26px) 100%, 58px 100%, 34px calc(100% - 24px), 0 calc(100% - 24px));
}

.instrument-svg {
  width: 100%;
  height: clamp(300px, 42vh, 470px);
  transform: translate3d(var(--shift-x, 0), var(--shift-y, 0), 0);
  transition: transform 260ms var(--ease);
}

.instrument-svg text {
  font-family: var(--body);
}

.instrument-svg .micro {
  fill: #86a5a1;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.instrument-svg .plane-label {
  fill: #e8f1ee;
  font-family: var(--display);
  font-size: 38px;
}

.instrument-svg .plate-line {
  fill: none;
  stroke: rgba(169, 209, 204, 0.34);
  stroke-width: 1.5;
}

.instrument-svg .route {
  fill: none;
  stroke: rgba(169, 209, 204, 0.22);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 9 15;
  transition: stroke 240ms ease, stroke-width 240ms ease;
}

.proof-instrument[data-mode="settlement"] .route-settlement,
.proof-instrument[data-mode="data"] .route-data,
.proof-instrument[data-mode="execution"] .route-execution {
  stroke: #9fd2cb;
  stroke-width: 5;
  animation: route-current 2.6s linear infinite;
}

.instrument-svg .proof-glyph {
  transform-box: fill-box;
  transform-origin: center;
}

.proof-instrument[data-mode="settlement"] .proof-settlement,
.proof-instrument[data-mode="data"] .proof-data,
.proof-instrument[data-mode="execution"] .proof-execution {
  animation: proof-travel 4.8s var(--ease) infinite;
}

.instrument-svg .feather-trace {
  fill: none;
  stroke: rgba(70, 199, 207, 0.18);
  stroke-width: 2;
}

.instrument-svg .boundary {
  fill: rgba(169, 209, 204, 0.035);
  stroke: rgba(169, 209, 204, 0.22);
  stroke-width: 1.2;
}

.instrument-svg .proof-core {
  fill: #b8ddd8;
}

.instrument-svg .proof-ring {
  fill: #0d2c30;
  stroke: #b8ddd8;
  stroke-width: 2;
}

@keyframes route-current {
  to { stroke-dashoffset: -48; }
}

@keyframes proof-travel {
  0%, 100% { transform: translateX(-10px); }
  50% { transform: translateX(18px); }
}

.instrument-console {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: stretch;
  gap: 0;
  margin-top: 12px;
}

.mode-switch {
  display: flex;
  align-items: stretch;
}

html:not(.js) .mode-switch {
  display: none;
}

.mode-switch button {
  min-width: 112px;
  padding: 13px 18px;
  color: #93aeaa;
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(169, 209, 204, 0.2);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 650;
  text-align: left;
  transition: color 180ms ease, background-color 180ms ease;
}

.mode-switch button:first-child {
  border-left: 1px solid rgba(169, 209, 204, 0.2);
}

.mode-switch button:hover {
  color: var(--chalk);
  background: rgba(169, 209, 204, 0.045);
}

.mode-switch button[aria-selected="true"] {
  color: var(--deep);
  background: #a9d1cc;
}

.mode-switch button small {
  display: block;
  margin-bottom: 2px;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 400;
}

.instrument-readout {
  display: flex;
  align-items: center;
  min-height: 58px;
  margin: 0;
  padding: 11px 18px 12px;
  color: #bed0cd;
  background: rgba(169, 209, 204, 0.04);
  font-family: var(--reading);
  font-size: 0.98rem;
}

.hero-ledger {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  align-items: stretch;
  margin-top: clamp(20px, 3vh, 34px);
  color: #a9bfbc;
  border-top: 1px solid rgba(232, 241, 238, 0.15);
}

.hero-ledger > * {
  padding: 13px 18px 6px 0;
}

.hero-ledger > * + * {
  padding-left: 18px;
  border-left: 1px solid rgba(232, 241, 238, 0.15);
}

.hero-ledger .ledger-intro {
  color: var(--chalk);
  font-family: var(--display);
  font-size: 0.97rem;
}

.hero-ledger strong {
  display: block;
  color: #d7e4e1;
  font-size: 0.82rem;
}

.hero-ledger span {
  display: block;
  margin-top: 1px;
  font-size: 0.72rem;
}

.section {
  position: relative;
  padding-block: clamp(86px, 11vw, 168px);
}

.section-title {
  max-width: 11ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6.2vw, 6.2rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.section-title em {
  color: var(--aether);
  font-family: var(--reading);
  font-weight: 400;
}

.section-lead {
  max-width: 38rem;
  margin: 24px 0 0;
  color: #354f52;
  font-family: var(--reading);
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
}

.framework-section {
  overflow: hidden;
  background:
    linear-gradient(155deg, rgba(31, 78, 95, 0.09), transparent 42%),
    var(--mist);
}

.framework-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.58fr);
  align-items: end;
  gap: clamp(38px, 8vw, 120px);
}

.framework-planes {
  margin-top: clamp(58px, 9vw, 120px);
  border-top: 2px solid var(--aether);
}

.framework-plane {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 0.58fr) minmax(0, 1.2fr) minmax(220px, 0.64fr);
  gap: clamp(24px, 4vw, 68px);
  align-items: start;
  min-height: 210px;
  padding: clamp(30px, 4vw, 54px) 0;
  border-bottom: 1px solid var(--line);
}

.plane-word {
  margin: 0;
  color: var(--aether);
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.plane-copy h3 {
  margin: 0 0 12px;
  font-family: var(--reading);
  font-size: clamp(1.32rem, 2vw, 1.82rem);
  font-weight: 500;
  line-height: 1.18;
}

.plane-copy p,
.plane-limit p {
  margin: 0;
  color: #34494b;
}

.plane-limit {
  padding: 14px 18px 16px 22px;
  background: rgba(31, 78, 95, 0.07);
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.plane-limit b {
  display: block;
  margin-bottom: 6px;
  color: var(--aether);
  font-size: 0.78rem;
}

.project-field {
  color: var(--chalk);
  background: var(--deep);
}

.project-field::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(108deg, rgba(70, 199, 207, 0.1), transparent 37% 68%, rgba(232, 241, 238, 0.035));
}

.project-intro {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(280px, 0.4fr);
  align-items: end;
  gap: clamp(32px, 8vw, 120px);
}

.project-intro .section-title {
  max-width: 12ch;
}

.project-intro .section-lead {
  color: #b9cdca;
}

.project-runways {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: clamp(60px, 8vw, 110px);
}

.runway {
  position: relative;
  min-height: 630px;
  padding: clamp(36px, 5vw, 74px);
}

.runway-suwappu {
  color: var(--deep);
  background: #c7ddd9;
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 0 100%);
}

.runway-lattice {
  color: var(--chalk);
  background: #15383d;
  clip-path: polygon(42px 0, 100% 0, 100% 100%, 0 100%, 0 42px);
}

.runway-index {
  margin: 0 0 44px;
  color: currentColor;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.runway h3 {
  max-width: 10ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5vw, 5.6rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.86;
}

.runway-status {
  margin: 18px 0 0;
  font-family: var(--reading);
  font-size: 1.2rem;
  font-style: italic;
}

.runway-copy {
  max-width: 35rem;
  margin: 34px 0 0;
  font-size: 1rem;
}

.runway-copy p {
  margin: 0 0 18px;
}

.runway-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid currentColor;
}

.runway-list li {
  padding: 11px 0;
  border-bottom: 1px solid currentColor;
  font-size: 0.8rem;
}

.runway-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  font-weight: 730;
  text-decoration: none;
}

.business-section {
  color: var(--ink);
  background: #dbe8e6;
}

.business-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr);
  gap: clamp(50px, 10vw, 150px);
}

.business-sticky {
  align-self: start;
  position: sticky;
  top: 28px;
}

.business-ledger {
  border-top: 2px solid var(--aether);
}

.business-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  padding: 28px 0 34px;
  border-bottom: 1px solid var(--line);
}

.business-row .when {
  color: var(--aether);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.business-row h3 {
  margin: 0 0 8px;
  font-family: var(--reading);
  font-size: 1.42rem;
  font-weight: 560;
  line-height: 1.2;
}

.business-row p {
  margin: 0;
  color: #3b5153;
}

.business-caveat {
  margin: 42px 0 0 152px;
  padding: 20px 24px 22px;
  color: #244144;
  background: rgba(31, 78, 95, 0.08);
  font-family: var(--reading);
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.trust-section {
  color: var(--chalk);
  background: #112f33;
}

.trust-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.42fr);
  align-items: end;
  gap: clamp(40px, 8vw, 120px);
}

.trust-head .section-title {
  max-width: 13ch;
}

.trust-head .section-lead {
  color: #b8cbc8;
}

.trust-table {
  width: 100%;
  margin-top: clamp(54px, 8vw, 100px);
  border-collapse: collapse;
}

.trust-table th,
.trust-table td {
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-dark);
}

.trust-table th {
  padding-top: 12px;
  color: #8ea8a4;
  font-size: 0.75rem;
  font-weight: 600;
}

.trust-table td:first-child {
  width: 22%;
  font-family: var(--display);
  font-size: 1.18rem;
}

.trust-table td:nth-child(2) {
  width: 20%;
  color: #b6d8d3;
  font-weight: 650;
}

.trust-table td:last-child {
  color: #aec0bd;
}

.report-dock {
  color: var(--deep);
  background: var(--paper);
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.42fr);
  gap: clamp(48px, 10vw, 150px);
  align-items: center;
}

.report-layout .section-title {
  max-width: 12ch;
}

.report-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.action-cut {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  gap: 12px;
  padding: 13px 22px 14px;
  color: var(--chalk);
  background: var(--deep);
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 13px) 0, 100% 13px, 100% 100%, 13px 100%, 0 calc(100% - 13px));
  transition: background-color 180ms ease;
}

.action-cut:hover {
  background: var(--aether);
}

.text-link {
  color: var(--aether);
  font-weight: 680;
  text-decoration: none;
}

.report-cover {
  position: relative;
  max-width: 370px;
  margin-inline: auto;
  padding: 18px 18px 0 0;
}

.report-cover::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 58%;
  border-top: 2px solid var(--aether);
  border-right: 2px solid var(--aether);
}

.report-cover img {
  position: relative;
  width: 100%;
  height: auto;
  transform: rotate(1.4deg);
}

.report-cover figcaption {
  position: relative;
  margin-top: 24px;
  color: #587073;
  font-size: 0.78rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  min-height: 510px;
  padding: 70px 0 0;
  color: var(--chalk);
  background: #071d20;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.footer-thesis {
  max-width: 38rem;
  margin: 0;
  font-family: var(--reading);
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  line-height: 1.25;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 12px 30px;
}

.footer-links a {
  color: #acc3bf;
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-links a:hover {
  color: var(--glow);
}

.footer-meta {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  margin-top: 58px;
  padding-top: 22px;
  color: #6e8b87;
  border-top: 1px solid var(--line-dark);
  font-size: 0.72rem;
}

.footer-wordmark {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: -3vw;
  width: min(1040px, 88vw);
  transform: translateX(-50%);
  opacity: 0.16;
}

.subpage-main {
  color: var(--ink);
  background: var(--mist);
}

.page-hero {
  position: relative;
  min-height: 100svh;
  padding: clamp(150px, 18vw, 220px) 0 clamp(70px, 10vw, 130px);
  overflow: hidden;
  color: var(--chalk);
  background:
    linear-gradient(130deg, rgba(70, 199, 207, 0.1), transparent 36%),
    var(--deep);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -6vw;
  bottom: -22vw;
  width: min(55vw, 720px);
  height: min(55vw, 720px);
  border: 1px solid rgba(169, 209, 204, 0.15);
  transform: rotate(35deg);
  clip-path: polygon(50% 0, 72% 27%, 100% 50%, 72% 73%, 50% 100%, 28% 73%, 0 50%, 28% 27%);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  align-items: end;
  gap: clamp(38px, 9vw, 130px);
}

.page-title {
  max-width: 11ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.8rem, 9vw, 8.7rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.82;
}

.page-title span {
  display: block;
}

.page-title em {
  color: #a9d1cc;
  font-family: var(--reading);
  font-weight: 400;
}

.page-summary {
  max-width: 34rem;
  margin: 0;
  color: #c0d0cd;
  font-family: var(--reading);
  font-size: clamp(1.15rem, 2vw, 1.48rem);
  line-height: 1.45;
}

.status-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 32px;
  color: #9fb6b2;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.status-mark {
  width: 22px;
  height: 10px;
  background: #a9d1cc;
  clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}

.prose-section {
  padding-block: clamp(74px, 10vw, 140px);
}

.prose-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.48fr) minmax(0, 1fr);
  gap: clamp(48px, 10vw, 150px);
  align-items: start;
}

.prose-aside {
  position: sticky;
  top: 28px;
}

.prose-aside h2,
.artifact-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.1rem, 4vw, 4.1rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.prose-aside p {
  color: #486164;
  font-family: var(--reading);
}

.prose-body {
  max-width: 46rem;
  font-family: var(--reading);
  font-size: clamp(1.04rem, 1.45vw, 1.18rem);
}

.prose-body > p:first-child {
  margin-top: 0;
  font-size: 1.2em;
  line-height: 1.45;
}

.prose-body h3 {
  margin: 46px 0 10px;
  font-family: var(--body);
  font-size: 1.08rem;
}

.prose-body a {
  color: var(--aether);
}

.mechanism-plate {
  padding-block: clamp(70px, 9vw, 120px);
  color: var(--chalk);
  background: #123337;
}

.mechanism-svg {
  width: 100%;
  margin-top: 52px;
  background: rgba(6, 27, 29, 0.36);
  clip-path: polygon(0 24px, 24px 0, calc(100% - 46px) 0, calc(100% - 24px) 22px, 100% 22px, 100% calc(100% - 24px), calc(100% - 24px) 100%, 46px 100%, 24px calc(100% - 22px), 0 calc(100% - 22px));
}

.mechanism-svg text {
  font-family: var(--body);
}

.mechanism-caption {
  max-width: 50rem;
  margin: 26px 0 0;
  color: #aec3bf;
  font-family: var(--reading);
}

.artifact-section {
  padding-block: clamp(80px, 11vw, 150px);
  background: var(--paper);
}

.artifact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 0.48fr);
  gap: clamp(50px, 10vw, 140px);
  align-items: center;
}

.artifact-copy p {
  max-width: 42rem;
  margin-top: 24px;
  color: #40595c;
  font-family: var(--reading);
  font-size: 1.1rem;
}

.fact-stack {
  margin-top: 34px;
  border-top: 2px solid var(--aether);
}

.fact-line {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 26px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.fact-line dt {
  color: var(--aether);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.fact-line dd {
  margin: 0;
  color: #344c4f;
}

.project-symbol {
  display: grid;
  place-items: center;
  min-height: 450px;
  padding: 48px;
  color: var(--chalk);
  background: var(--deep);
  clip-path: polygon(0 38px, 38px 0, calc(100% - 70px) 0, 100% 70px, 100% 100%, 0 100%);
}

.project-symbol img {
  width: min(260px, 68%);
}

.project-symbol.suwappu img {
  width: min(390px, 92%);
}

.phase-field {
  padding-block: clamp(80px, 10vw, 140px);
  color: var(--chalk);
  background: #112f33;
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 62px;
  border-top: 2px solid #8fbab4;
}

.phase {
  min-height: 320px;
  padding: 30px 26px 34px 0;
  border-bottom: 1px solid var(--line-dark);
}

.phase + .phase {
  padding-left: 28px;
  border-left: 1px solid var(--line-dark);
}

.phase b {
  color: #8fbab4;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.phase h3 {
  margin: 28px 0 14px;
  font-family: var(--display);
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.phase p {
  color: #afc3bf;
}

.evidence-section {
  padding-block: clamp(80px, 10vw, 140px);
  background: #dbe8e6;
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.54fr) minmax(0, 1fr);
  gap: clamp(50px, 10vw, 140px);
  min-width: 0;
}

.evidence-list {
  margin: 0;
  min-width: 0;
}

.evidence-item {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 26px;
  min-width: 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.evidence-item:first-child {
  border-top: 2px solid var(--aether);
}

.evidence-item dt {
  color: var(--aether);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.evidence-item dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.evidence-item a {
  color: var(--aether);
  overflow-wrap: anywhere;
}

.command-block {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin-top: 28px;
  padding: 20px 22px;
  color: #d8e6e3;
  background: #0d292d;
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.command-block code {
  display: block;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.65;
  white-space: pre;
}

.verification-note {
  max-width: 44rem;
  margin: 28px 0 0;
  color: #4c6567;
  font-family: var(--reading);
  font-size: 0.93rem;
}

.copy-command {
  margin-top: 14px;
  padding: 7px 10px;
  color: #b9d6d1;
  background: transparent;
  border: 1px solid rgba(185, 214, 209, 0.35);
  cursor: pointer;
  font-size: 0.7rem;
}

.copy-command:hover,
.copy-command[data-state="copied"] {
  color: var(--deep);
  background: #b9d6d1;
}

.not-found {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 40px;
  color: var(--chalk);
  text-align: center;
  background: var(--deep);
}

.not-found-inner {
  width: min(660px, 100%);
}

.not-found img {
  width: 150px;
  margin: 0 auto 34px;
}

.not-found h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.84;
}

.not-found p {
  max-width: 32rem;
  margin: 30px auto;
  color: #adc2be;
  font-family: var(--reading);
  font-size: 1.2rem;
}

@media (max-width: 980px) {
  .nav-plate {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  html.js .menu-toggle {
    display: block;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 4px 0 24px;
  }

  html.js .nav-links {
    display: none;
  }

  html.js .nav-links[data-open="true"] {
    display: flex;
  }

  .nav-report {
    display: none;
  }

  .hero-inner {
    padding-top: 158px;
  }

  .hero-copy,
  .framework-head,
  .project-intro,
  .trust-head,
  .page-hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(4.2rem, 13.6vw, 8rem);
  }

  .hero-intro {
    max-width: 40rem;
    margin-bottom: 0;
  }

  .instrument-console {
    grid-template-columns: 1fr;
  }

  .mode-switch button {
    flex: 1;
  }

  .hero-ledger {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-ledger .ledger-intro {
    grid-column: 1 / -1;
  }

  .hero-ledger > * + * {
    padding-left: 0;
    border-left: 0;
  }

  .hero-ledger > :not(.ledger-intro) + * {
    padding-left: 16px;
    border-left: 1px solid rgba(232, 241, 238, 0.15);
  }

  .framework-plane {
    grid-template-columns: 0.55fr 1fr;
  }

  .plane-limit {
    grid-column: 2;
  }

  .project-runways {
    grid-template-columns: 1fr;
  }

  .runway {
    min-height: 540px;
  }

  .runway-lattice {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 42px 100%, 0 calc(100% - 42px));
  }

  .business-grid,
  .prose-grid,
  .artifact-grid,
  .evidence-grid,
  .report-layout {
    grid-template-columns: 1fr;
  }

  .business-sticky,
  .prose-aside {
    position: static;
  }

  .business-caveat {
    margin-left: 0;
  }

  .report-cover {
    margin-top: 24px;
  }
}

@media (max-width: 700px) {
  :root {
    --gutter: 20px;
  }

  .nav-plate {
    min-height: 74px;
    gap: 8px 18px;
    padding-inline: 20px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 10px));
  }

  .brand-link,
  .brand-link img {
    width: 88px;
  }

  .nav-links {
    gap: 5px 18px;
    padding-bottom: 20px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .hero-inner {
    padding-top: 132px;
    padding-bottom: 24px;
  }

  .hero-title {
    font-size: clamp(3.75rem, 20vw, 6.6rem);
    line-height: 0.82;
  }

  .hero-intro {
    font-size: 1.05rem;
  }

  .proof-instrument {
    margin-top: 24px;
  }

  .instrument-frame,
  .instrument-svg {
    min-height: 270px;
    height: 270px;
  }

  .instrument-frame {
    clip-path: polygon(0 22px, 22px 0, calc(100% - 40px) 0, calc(100% - 22px) 18px, 100% 18px, 100% calc(100% - 22px), calc(100% - 22px) 100%, 40px 100%, 22px calc(100% - 18px), 0 calc(100% - 18px));
  }

  .instrument-svg .micro {
    font-size: 18px;
  }

  .instrument-svg .plane-label {
    font-size: 48px;
  }

  .mode-switch button {
    min-width: 0;
    padding: 11px 8px;
    text-align: center;
  }

  .mode-switch button small {
    display: none;
  }

  .instrument-readout {
    min-height: 80px;
    padding-inline: 13px;
    font-size: 0.86rem;
  }

  .hero-ledger {
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .hero-ledger .ledger-intro,
  .hero-ledger > :not(.ledger-intro) {
    grid-column: auto;
    padding: 8px 0;
    border-left: 0 !important;
  }

  .hero-ledger > :not(.ledger-intro) {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px;
    align-items: baseline;
    border-top: 1px solid rgba(232, 241, 238, 0.12);
  }

  .hero-ledger span {
    margin: 0;
  }

  .section {
    padding-block: 82px;
  }

  .section-title {
    font-size: clamp(2.8rem, 14vw, 4.7rem);
  }

  .framework-planes {
    margin-top: 54px;
  }

  .framework-plane {
    grid-template-columns: 1fr;
    gap: 16px;
    min-height: 0;
    padding: 32px 0 38px;
  }

  .plane-limit {
    grid-column: auto;
    margin-top: 8px;
  }

  .project-runways {
    margin-inline: -20px;
  }

  .runway {
    min-height: 0;
    padding: 48px 28px 56px;
  }

  .runway h3 {
    font-size: clamp(3.1rem, 15vw, 4.7rem);
  }

  .runway-list {
    grid-template-columns: 1fr;
  }

  .business-row,
  .fact-line,
  .evidence-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .trust-table,
  .trust-table tbody,
  .trust-table tr,
  .trust-table td {
    display: block;
    width: 100% !important;
  }

  .trust-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .trust-table tr {
    padding: 22px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .trust-table td {
    padding: 4px 0;
    border: 0;
  }

  .report-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-links {
    margin-top: 22px;
  }

  .footer-meta {
    flex-direction: column;
    gap: 8px;
  }

  .footer-wordmark {
    bottom: 18px;
    width: 112vw;
  }

  .page-hero {
    min-height: 100svh;
    padding-top: 136px;
  }

  .page-title {
    font-size: clamp(3.8rem, 19vw, 6.2rem);
  }

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

  .phase {
    min-height: 0;
    padding: 28px 0 36px !important;
    border-left: 0 !important;
  }

  .project-symbol {
    min-height: 340px;
  }

  .project-symbol.suwappu {
    min-height: 270px;
    padding: 24px;
  }

  .project-symbol.suwappu img {
    width: min(360px, 94%);
  }

  .command-block {
    overflow: hidden;
  }

  .command-block code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
}

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

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

@media print {
  .site-header,
  .menu-toggle,
  .mode-switch,
  .site-footer {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero,
  .page-hero,
  .project-field,
  .trust-section,
  .mechanism-plate,
  .phase-field {
    color: #000;
    background: #fff;
  }
}