:root {
  --ink: #0a2540;
  --ink-soft: #274560;
  --paper: #f7f4ef;
  --panel: #fffdf8;
  --line: rgba(10, 37, 64, 0.16);
  --line-strong: rgba(10, 37, 64, 0.34);
  --accent: #ff6b35;
  --accent-soft: rgba(255, 107, 53, 0.1);
  --muted: #55616e;
  --blue-soft: #e9f0f6;
  --max: 1160px;
  --scroll-progress: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 0.92;
}

h1 {
  margin-bottom: 1.4rem;
  font-size: 6.5rem;
  font-weight: 900;
}

h2 {
  margin-bottom: 1rem;
  font-size: 3.4rem;
  font-weight: 850;
}

h3 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 800;
}

address {
  font-style: normal;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  transform: translateY(-150%);
  background: var(--ink);
  color: white;
  padding: 0.65rem 0.85rem;
}

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

.site-shell {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 2rem;
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--line);
  background: rgba(247, 244, 239, 0.88);
  backdrop-filter: blur(18px);
}

.rail::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: calc(var(--scroll-progress) * 100%);
  background: var(--accent);
  pointer-events: none;
  transition: height 140ms linear, width 140ms linear;
}

.rail__brand {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 900;
}

.side-nav {
  display: grid;
  align-content: center;
  gap: 0.1rem;
}

.side-nav a {
  position: relative;
  display: block;
  padding: 0.5rem 0 0.5rem 1.4rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.side-nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.7rem;
  height: 1px;
  background: currentColor;
}

.side-nav a:hover,
.side-nav a.is-active {
  color: var(--accent);
}

.rail__note,
.eyebrow,
.label,
.section-kicker,
.case__subtitle {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rail__note {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

main {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 3rem;
}

.section-block {
  position: relative;
  padding: 5.5rem 0;
  scroll-margin-top: 2rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.68fr);
  grid-template-rows: 1fr auto;
  gap: 2rem 4rem;
  align-items: end;
  padding-top: 5rem;
}

.eyebrow,
.label {
  color: var(--accent);
}

.role {
  width: min(100%, 620px);
  margin-bottom: 1rem;
  color: var(--ink-soft);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.positioning {
  width: min(100%, 720px);
  color: var(--ink-soft);
  font-size: 1.2rem;
}

.role span,
.positioning span {
  display: inline;
}

.hero__metrics {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink);
}

.hero__metrics-label {
  margin: 0;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__metrics article {
  display: grid;
  gap: 0.45rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.hero__metrics strong {
  color: var(--accent);
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 0.9;
}

.hero__metrics span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero__contact {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 600;
}

.section-kicker {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.2rem;
  color: var(--muted);
}

.section-kicker span {
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.section-kicker::after {
  content: "";
  height: 1px;
  background: var(--line);
}

.section-kicker p {
  margin: 0;
}

.section-lede {
  width: min(100%, 780px);
  margin-bottom: 2.5rem;
  color: var(--ink-soft);
  font-size: 1.25rem;
}

.case {
  border-top: 1px solid var(--ink);
}

.case--flagship {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 2rem 4rem;
  padding-top: 2rem;
}

.case__intro {
  align-self: start;
}

.case__subtitle {
  color: var(--muted);
  line-height: 1.5;
}

.case__body {
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.metric-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.metric-strip--breakout {
  margin: 1.2rem -2rem 2rem 5rem;
  background: var(--panel);
}

.metric-strip article {
  display: grid;
  align-content: center;
  min-height: 170px;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--line);
}

.metric-strip article:last-child {
  border-right: 0;
}

.metric-strip strong {
  color: var(--accent);
  font-size: 5.4rem;
  font-weight: 900;
  line-height: 0.9;
}

.metric-strip span {
  max-width: 19rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.stack-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
}

.stack-grid > div,
.advisory-card,
.additional-list,
.principles article,
.contact-block {
  background: rgba(255, 253, 248, 0.72);
  border: 1px solid var(--line);
}

.stack-grid > div {
  padding: 1.5rem;
}

.stack-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.stack-list div {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.stack-list dt {
  color: var(--accent);
  font-weight: 850;
}

.stack-list dd {
  margin: 0;
  color: var(--ink-soft);
}

.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.link-cloud a,
.mini-system span {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--ink);
  padding: 0.45rem 0.7rem;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
}

.link-cloud a:hover,
.text-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.logo-wall {
  padding: 2.75rem 0 3.25rem;
  border-top: 1px solid var(--ink);
}

.logo-wall__label {
  margin: 0 0 1.4rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-wall__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--ink);
}

.logo-wall__grid li {
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 1.25rem 1rem;
  background: var(--ink);
}

.logo-wall__grid img {
  display: block;
  width: auto;
  height: auto;
  max-width: 78%;
  max-height: 36px;
  object-fit: contain;
}

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.advisory {
  padding-bottom: 3rem;
}

.advisory-card {
  margin-top: 1.4rem;
  padding: 1.6rem;
}

.advisory-card h2 {
  font-size: 2.45rem;
}

.advisory-card p {
  color: var(--ink-soft);
}

.advisory-card--split,
.advisory-card--narrative,
.advisory-card--system {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1fr);
  gap: 2rem;
}

.mini-system {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.3rem 0;
}

.text-link {
  display: inline-flex;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.advisory-card--narrative {
  align-items: start;
  background: var(--blue-soft);
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  counter-reset: pipeline;
  list-style: none;
}

.pipeline li {
  min-height: 96px;
  padding: 0.85rem;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.3;
}

.pipeline li::before {
  counter-increment: pipeline;
  content: "0" counter(pipeline);
  display: block;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
}

.closing-page {
  padding-top: 7rem;
}

.additional-list {
  padding: 1.6rem;
}

.additional-list h2 {
  font-size: 2.75rem;
}

.additional-list ul {
  display: grid;
  gap: 0.7rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.additional-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.additional-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 1px;
  background: var(--accent);
}

.additional-list strong {
  color: var(--ink);
  font-weight: 800;
}

.principles {
  margin-top: 2.75rem;
}

.principles > h2 {
  width: min(100%, 720px);
  margin-bottom: 1.5rem;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.principles article {
  min-height: 260px;
  padding: 1.2rem;
  border-right: 0;
}

.principles article:last-child {
  border-right: 1px solid var(--line);
}

.principles span {
  display: block;
  margin-bottom: 2rem;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-weight: 800;
}

.principles h3 {
  font-size: 1.25rem;
  line-height: 1;
}

.principles p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.contact-block {
  margin-top: 2.75rem;
  padding: 2rem;
  border-color: var(--ink);
}

.contact-block h2 {
  width: min(100%, 820px);
  font-size: 3.2rem;
}

.contact-block p:not(.eyebrow) {
  width: min(100%, 620px);
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.contact-block address {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-weight: 750;
}

@media (max-width: 1060px) {
  body,
  .site-shell,
  main {
    overflow-x: hidden;
  }

  .site-shell {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .rail {
    position: sticky;
    z-index: 4;
    height: auto;
    width: 100%;
    max-width: 100vw;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: auto;
    align-items: center;
    padding: 0.85rem 1rem;
    overflow: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail::before {
    top: 0;
    right: auto;
    bottom: auto;
    left: 0;
    width: calc(var(--scroll-progress) * 100%);
    height: 3px;
  }

  .side-nav {
    display: flex;
    justify-content: flex-start;
    gap: 0.2rem;
    min-width: 0;
    overflow-x: auto;
    -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 1.75rem), transparent 100%);
    mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 1.75rem), transparent 100%);
  }

  .side-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding-left: 1rem;
  }

  .rail__note {
    display: none;
  }

  main {
    padding: 0 1.4rem;
  }

  .hero,
  .case--flagship,
  .stack-grid,
  .advisory-card--split,
  .advisory-card--narrative,
  .advisory-card--system {
    grid-template-columns: 1fr;
  }

  .case__intro {
    position: static;
  }

  .metric-strip--breakout {
    margin: 1rem 0 2rem;
  }

  .pipeline,
  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logo-wall__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logo-wall__grid li:last-child {
    grid-column: 1 / -1;
  }

  .principles article:nth-child(2) {
    border-right: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  h1,
  .hero__copy,
  .role,
  .positioning {
    width: calc(100vw - 2.8rem);
    max-width: calc(100vw - 2.8rem);
    overflow-wrap: break-word;
  }

  h1 {
    font-size: 4.35rem;
  }

  .role {
    font-size: 1.08rem;
  }

  .positioning {
    font-size: 1rem;
    line-height: 1.55;
  }

  .role span,
  .positioning span {
    display: block;
  }

  h2,
  .contact-block h2 {
    font-size: 2.25rem;
  }

  .section-block {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero__metrics strong {
    font-size: 3.1rem;
  }

  .hero__contact,
  .contact-block address {
    display: grid;
  }

  .section-kicker {
    grid-template-columns: 2.4rem minmax(0, 1fr);
  }

  .metric-strip,
  .pipeline,
  .principle-grid,
  .advisory-card--narrative {
    grid-template-columns: 1fr;
  }

  .logo-wall__grid li {
    min-height: 96px;
    padding: 1rem 0.75rem;
  }

  .logo-wall__grid img {
    max-height: 30px;
  }

  .metric-strip article,
  .pipeline li,
  .principles article,
  .principles article:nth-child(2) {
    border-right: 1px solid var(--line);
  }

  .metric-strip strong {
    font-size: 4.1rem;
  }

  .stack-list div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

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

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

@page {
  size: A4;
  margin: 11mm 12mm;
}

@media print {
  * {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  html {
    scroll-behavior: auto;
  }

  body {
    background: white;
    color: var(--ink);
    font-size: 9pt;
    line-height: 1.32;
  }

  .rail,
  .skip-link,
  .logo-wall,
  .site-footer {
    display: none;
  }

  a {
    text-decoration: none;
  }

  .site-shell,
  main {
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  h1 {
    font-size: 54pt;
    line-height: 0.9;
  }

  h2,
  .contact-block h2 {
    font-size: 24pt;
  }

  h3 {
    font-size: 10pt;
  }

  .section-block {
    min-height: auto;
    padding: 0;
    break-inside: avoid;
  }

  #papernest,
  #advisory,
  #additional {
    break-before: page;
  }

  .hero {
    min-height: 258mm;
    display: grid;
    grid-template-columns: 1fr 0.7fr;
    grid-template-rows: 1fr auto;
    align-items: center;
    gap: 12mm;
    padding: 0;
  }

  .role,
  .positioning,
  .section-lede,
  .case__body,
  .contact-block p:not(.eyebrow) {
    font-size: 10pt;
  }

  .hero__metrics strong {
    font-size: 31pt;
  }

  .hero__metrics-label {
    padding: 2.4mm 0;
    font-size: 6.8pt;
  }

  .hero__contact {
    font-size: 9pt;
  }

  .section-kicker {
    margin-bottom: 7mm;
    grid-template-columns: 12mm minmax(0, 1fr);
  }

  .case--flagship {
    grid-template-columns: 0.72fr 1.15fr;
    gap: 7mm;
    padding-top: 5mm;
  }

  .case__intro {
    position: static;
  }

  .metric-strip--breakout {
    margin: 5mm 0;
  }

  .metric-strip article {
    min-height: 26mm;
    padding: 4mm;
  }

  .metric-strip strong {
    font-size: 32pt;
  }

  .stack-grid {
    gap: 4mm;
  }

  .stack-grid > div,
  .advisory-card,
  .additional-list,
  .principles article,
  .contact-block {
    background: white;
    padding: 4mm;
  }

  .link-cloud {
    gap: 2mm;
  }

  .link-cloud a,
  .mini-system span {
    min-height: 0;
    padding: 1.5mm 2mm;
    font-size: 7pt;
  }

  .advisory {
    padding: 0;
  }

  .advisory-card {
    margin-top: 3mm;
  }

  .advisory-card h2 {
    font-size: 18pt;
  }

  .advisory-card--split,
  .advisory-card--narrative,
  .advisory-card--system {
    grid-template-columns: 0.68fr 1fr;
    gap: 5mm;
  }

  .pipeline {
    gap: 2mm;
  }

  .pipeline li {
    min-height: 16mm;
    padding: 2.4mm;
    font-size: 7pt;
    line-height: 1.2;
  }

  .pipeline li::before {
    margin-bottom: 2mm;
  }

  .additional-list h2 {
    font-size: 21pt;
  }

  .additional-list ul {
    gap: 2mm;
  }

  .principles {
    margin-top: 8mm;
  }

  .principles > h2 {
    margin-bottom: 4mm;
  }

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

  .principles article {
    min-height: 42mm;
  }

  .principles span {
    margin-bottom: 7mm;
  }

  .principles h3 {
    font-size: 10pt;
  }

  .principles p {
    font-size: 7.8pt;
  }

  .contact-block {
    margin-top: 8mm;
  }

  .contact-block h2 {
    margin-bottom: 3mm;
  }

  .contact-block address {
    gap: 3mm 7mm;
    padding-top: 4mm;
  }

  .case,
  .advisory-card,
  .additional-list,
  .principles article,
  .contact-block {
    break-inside: avoid;
  }
}