:root {
  --ink: #0b0b0b;
  --paper: #f1eee6;
  --paper-soft: #e8e3d9;
  --signal: #ec4b40;
  --signal-ink: #a92d27;
  --line-dark: rgb(255 255 255 / 14%);
  --line-light: rgb(11 11 11 / 18%);
  --muted-dark: #aaa7a1;
  --muted-light: #5f5c56;
  color-scheme: light dark;
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--ink);
  text-rendering: optimizeLegibility;
}

body,
a,
button {
  cursor: default;
}

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

img {
  display: block;
  height: auto;
  max-width: 100%;
}

p,
h1,
h2,
h3,
ul,
figure {
  margin: 0;
}

.shell {
  margin-inline: auto;
  max-width: 1440px;
  width: min(100% - 96px, 1440px);
}

.skip-link {
  background: var(--signal);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
  left: 20px;
  padding: 12px 16px;
  position: fixed;
  top: 16px;
  transform: translateY(-160%);
  transition: transform 150ms ease;
  z-index: 100;
}

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

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

.site-header {
  align-items: center;
  background: rgb(11 11 11 / 94%);
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 84px;
  padding: 0 48px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 0.88rem;
  font-weight: 800;
  gap: 12px;
  justify-self: start;
  letter-spacing: -0.02em;
}

.brand-mark {
  align-items: center;
  background: var(--paper);
  border-radius: 10px;
  color: var(--ink);
  display: inline-flex;
  font-size: 0.66rem;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.site-header nav {
  align-items: center;
  display: flex;
  gap: clamp(18px, 2.4vw, 40px);
}

.site-header nav a,
.header-link,
.site-footer a {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header nav a,
.header-link {
  color: #bbb8b1;
  transition: color 150ms ease;
}

.site-header nav a:hover,
.header-link:hover {
  color: var(--paper);
}

.header-link {
  justify-self: end;
}

.hero {
  background: var(--ink);
  color: var(--paper);
  min-height: calc(100svh - 84px);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:
    100% 100%,
    calc((100vw - 96px) / 8) 100%;
  inset: 0 48px;
  mask-image: linear-gradient(
    to bottom,
    transparent,
    black 18%,
    black 86%,
    transparent
  );
  opacity: 0.42;
  pointer-events: none;
  position: absolute;
}

.hero-content {
  display: flex;
  flex-direction: column;
  min-height: calc(100svh - 84px);
  padding-block: clamp(48px, 8vh, 96px) 42px;
  position: relative;
  z-index: 1;
}

.eyebrow-row {
  display: flex;
  justify-content: space-between;
}

.eyebrow,
.hero-location,
.section-index,
.feature-number,
.architecture-flow span,
.decision-list > article > span,
.security-grid > article > span,
.security-note > span,
.evidence figcaption > span,
.hero-status span {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow,
.hero-location {
  color: var(--muted-dark);
}

.eyebrow span,
.section-index span {
  color: var(--signal);
  margin-right: 16px;
}

.project-section .section-index span,
.architecture-section .section-index span,
.evidence-section .section-index span,
.story-columns span,
.architecture-flow span,
.decision-list > article > span,
.evidence figcaption > span {
  color: var(--signal-ink);
}

.hero-copy {
  align-items: end;
  display: grid;
  flex: 1;
  gap: 5vw;
  grid-template-columns: minmax(0, 2.1fr) minmax(280px, 0.9fr);
  padding-block: clamp(64px, 10vh, 132px) 64px;
}

.hero h1 {
  font-size: clamp(3.8rem, 7.1vw, 8.6rem);
  font-weight: 650;
  letter-spacing: -0.075em;
  line-height: 0.88;
  max-width: 1120px;
}

h1 em,
h2 em {
  color: var(--signal);
  display: block;
  font-style: normal;
}

.hero-intro {
  border-top: 1px solid var(--line-dark);
  padding-top: 24px;
}

.hero-intro > p {
  color: #c4c1ba;
  font-size: clamp(1rem, 1.35vw, 1.28rem);
  line-height: 1.65;
}

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

.button {
  align-items: center;
  display: inline-flex;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  gap: 28px;
  justify-content: space-between;
  letter-spacing: 0.1em;
  min-height: 52px;
  padding: 0 18px;
  text-transform: uppercase;
}

.button-light {
  background: var(--paper);
  color: var(--ink);
}

.button-dark {
  background: var(--ink);
  color: var(--paper);
}

.text-link {
  border-bottom: 1px solid currentColor;
  color: var(--paper);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding-block: 10px;
  text-transform: uppercase;
}

.stack-list {
  border-block: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  padding: 0;
}

.stack-list li {
  color: #c7c3bc;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  padding: 16px 22px;
  text-transform: uppercase;
}

.stack-list li:first-child {
  padding-left: 0;
}

.stack-list li + li {
  border-left: 1px solid var(--line-dark);
}

.hero-status {
  align-items: stretch;
  border-bottom: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(3, 0.72fr) 1.6fr;
}

.hero-status > * {
  border-left: 1px solid var(--line-dark);
  padding: 22px;
}

.hero-status > div:first-child {
  border-left: 0;
  padding-left: 0;
}

.hero-status span {
  color: var(--muted-dark);
  display: block;
  margin-bottom: 10px;
}

.hero-status strong {
  font-size: 0.95rem;
  font-weight: 650;
}

.hero-status p {
  color: var(--muted-dark);
  font-size: 0.86rem;
  line-height: 1.55;
}

.section {
  padding-block: clamp(96px, 12vw, 180px);
}

.project-section,
.architecture-section,
.evidence-section {
  background: var(--paper);
}

.features-section,
.security-section {
  background: var(--ink);
  color: var(--paper);
}

.section-heading {
  margin-bottom: clamp(64px, 8vw, 120px);
}

.section-index {
  color: var(--muted-light);
  margin-bottom: 34px;
}

.features-section .section-index,
.security-section .section-index {
  color: var(--muted-dark);
}

.section-heading h2 {
  font-size: clamp(3rem, 6vw, 7.4rem);
  font-weight: 550;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.project-story {
  border-top: 1px solid var(--line-light);
  display: grid;
  gap: 8vw;
  grid-template-columns: 1.05fr 1.3fr;
  padding-top: 42px;
}

.project-story .lead {
  font-size: clamp(1.55rem, 2.45vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.project-story .lead strong {
  font-weight: 600;
}

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

.story-columns article {
  border-left: 1px solid var(--line-light);
  padding: 0 24px;
}

.story-columns span {
  color: var(--signal-ink);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  margin-bottom: 50px;
  text-transform: uppercase;
}

.story-columns p {
  color: var(--muted-light);
  font-size: 0.94rem;
  line-height: 1.7;
}

.project-numbers {
  background: var(--signal);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(76px, 9vw, 130px);
}

.project-numbers div {
  align-items: end;
  display: flex;
  justify-content: space-between;
  min-height: 210px;
  padding: 28px;
}

.project-numbers div + div {
  border-left: 1px solid rgb(11 11 11 / 25%);
}

.project-numbers strong {
  font-size: clamp(4rem, 7vw, 7.5rem);
  font-weight: 550;
  letter-spacing: -0.08em;
  line-height: 0.75;
}

.project-numbers span {
  font-size: 0.82rem;
  line-height: 1.3;
  max-width: 110px;
}

.horizontal-heading {
  align-items: end;
  display: grid;
  gap: 48px;
  grid-template-columns: 0.55fr 1.55fr 0.8fr;
}

.horizontal-heading .section-index {
  margin-bottom: 0;
}

.horizontal-heading h2 {
  font-size: clamp(2.8rem, 5vw, 6rem);
}

.horizontal-heading > p:last-child,
.security-heading > p:last-child {
  color: var(--muted-dark);
  font-size: 1rem;
  line-height: 1.65;
}

.feature-list {
  border-top: 1px solid var(--line-dark);
}

.feature-list article {
  align-items: start;
  border-bottom: 1px solid var(--line-dark);
  display: grid;
  gap: 44px;
  grid-template-columns: 0.25fr 1.25fr 0.8fr;
  padding: 42px 0;
}

.feature-number {
  color: var(--signal);
}

.feature-list h3 {
  font-size: clamp(1.7rem, 2.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}

.feature-list p {
  color: var(--muted-dark);
  line-height: 1.65;
  max-width: 680px;
}

.feature-list ul {
  display: grid;
  gap: 12px;
  list-style: none;
  padding: 0;
}

.feature-list li {
  border-bottom: 1px solid var(--line-dark);
  color: #c8c5be;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  padding-bottom: 10px;
  text-transform: uppercase;
}

.architecture-flow {
  border-block: 1px solid var(--line-light);
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  margin-bottom: clamp(72px, 9vw, 132px);
}

.architecture-flow > div {
  min-height: 220px;
  padding: 28px;
}

.architecture-flow > i {
  align-self: center;
  color: var(--signal);
  font-size: 1.4rem;
  font-style: normal;
}

.architecture-flow span {
  color: var(--signal-ink);
  display: block;
  margin-bottom: 58px;
}

.architecture-flow strong {
  display: block;
  font-size: clamp(1.25rem, 1.8vw, 2rem);
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}

.architecture-flow small {
  color: var(--muted-light);
  font-size: 0.82rem;
  line-height: 1.55;
}

.decision-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.decision-list article {
  border-top: 1px solid var(--line-light);
  display: grid;
  gap: 24px;
  grid-template-columns: 60px 0.9fr 1.2fr;
  padding: 32px 0;
}

.decision-list article:nth-child(odd) {
  padding-right: 44px;
}

.decision-list article:nth-child(even) {
  border-left: 1px solid var(--line-light);
  padding-left: 44px;
}

.decision-list > article > span {
  color: var(--signal-ink);
}

.decision-list h3 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.decision-list p {
  color: var(--muted-light);
  font-size: 0.92rem;
  line-height: 1.65;
}

.security-heading {
  display: grid;
  gap: 48px;
  grid-template-columns: 0.55fr 1.45fr 0.8fr;
}

.security-heading .section-index {
  margin-bottom: 0;
}

.security-heading h2 {
  font-size: clamp(3rem, 5.5vw, 6.6rem);
}

.security-grid {
  border-block: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.security-grid article {
  min-height: 330px;
  padding: 34px;
}

.security-grid article + article {
  border-left: 1px solid var(--line-dark);
}

.security-grid > article > span {
  color: var(--signal);
}

.security-grid h3 {
  font-size: clamp(1.65rem, 2.4vw, 2.7rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin: 60px 0 22px;
}

.security-grid p,
.security-note p {
  color: var(--muted-dark);
  font-size: 0.94rem;
  line-height: 1.7;
}

code {
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.86em;
}

.security-note {
  align-items: start;
  background: var(--signal);
  color: var(--ink);
  display: grid;
  gap: 56px;
  grid-template-columns: 0.45fr 1.55fr;
  margin-top: 28px;
  padding: 30px 34px;
}

.security-note > span {
  color: var(--ink);
}

.security-note p {
  color: var(--ink);
  font-size: 1rem;
  max-width: 920px;
}

.evidence-heading > p:last-child {
  color: var(--muted-light);
}

.evidence {
  border-top: 1px solid var(--line-light);
  display: grid;
  gap: 0;
  grid-template-columns: 1fr 290px;
  padding-top: 28px;
}

.evidence + .evidence {
  margin-top: clamp(76px, 9vw, 130px);
}

.image-frame {
  background: #151515;
  border: 1px solid #272727;
  overflow: hidden;
  padding: 12px;
}

.image-frame img {
  aspect-ratio: 1.44;
  object-fit: cover;
  object-position: top;
  width: 100%;
}

.evidence figcaption {
  border-bottom: 1px solid var(--line-light);
  padding: 4px 0 24px 28px;
}

.evidence figcaption > span {
  color: var(--signal-ink);
  display: block;
  margin-bottom: 42px;
}

.evidence figcaption strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.evidence figcaption p {
  color: var(--muted-light);
  font-size: 0.86rem;
  line-height: 1.6;
}

.evidence-offset {
  grid-template-columns: 290px 1fr;
}

.evidence-offset .image-frame {
  grid-column: 2;
  grid-row: 1;
}

.evidence-offset figcaption {
  border-left: 0;
  grid-column: 1;
  grid-row: 1;
  padding-left: 0;
  padding-right: 28px;
}

.closing-section {
  background: var(--signal);
  padding-block: clamp(84px, 10vw, 140px);
}

.closing-grid {
  align-items: start;
  display: grid;
  gap: 48px;
  grid-template-columns: 0.45fr 1.5fr auto;
}

.closing-grid .section-index {
  color: var(--ink);
  margin: 0;
}

.closing-grid .section-index span {
  color: var(--ink);
}

.closing-grid h2 {
  font-size: clamp(2.6rem, 4.9vw, 6rem);
  font-weight: 560;
  letter-spacing: -0.06em;
  line-height: 0.98;
  max-width: 980px;
}

.closing-grid p {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 28px;
  max-width: 760px;
}

.site-footer {
  align-items: center;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr 1fr 1fr;
  min-height: 160px;
  padding: 36px 48px;
}

.site-footer p {
  color: var(--muted-dark);
  font-size: 0.76rem;
  line-height: 1.5;
  text-align: center;
}

.site-footer > div {
  display: flex;
  gap: 22px;
  justify-content: end;
}

.site-footer > div a {
  color: var(--muted-dark);
}

.site-footer > div a:hover {
  color: var(--paper);
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero-copy {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 980px;
  }

  .hero-intro {
    max-width: 680px;
  }

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

  .hero-status p {
    border-left: 0;
    border-top: 1px solid var(--line-dark);
    grid-column: 1 / -1;
    padding-left: 0;
  }

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

  .horizontal-heading,
  .security-heading {
    grid-template-columns: 0.5fr 1.5fr;
  }

  .horizontal-heading > p:last-child,
  .security-heading > p:last-child {
    grid-column: 2;
  }

  .architecture-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .architecture-flow > i {
    display: none;
  }

  .architecture-flow > div {
    border-bottom: 1px solid var(--line-light);
  }

  .architecture-flow > div:nth-of-type(even) {
    border-left: 1px solid var(--line-light);
  }

  .decision-list article {
    grid-template-columns: 44px 0.8fr 1.2fr;
  }

  .closing-grid {
    grid-template-columns: 0.4fr 1.6fr;
  }

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

@media (max-width: 760px) {
  .shell {
    width: min(100% - 36px, 1440px);
  }

  .site-header {
    min-height: 70px;
    padding: 0 18px;
  }

  .header-link {
    font-size: 0.6rem;
  }

  .hero {
    min-height: calc(100svh - 70px);
  }

  .hero-grid {
    background-size:
      100% 100%,
      calc((100vw - 36px) / 4) 100%;
    inset-inline: 18px;
  }

  .hero-content {
    min-height: calc(100svh - 70px);
    padding-block: 36px 24px;
  }

  .hero-location {
    display: none;
  }

  .hero-copy {
    gap: 38px;
    padding-block: 58px 42px;
  }

  .hero h1 {
    font-size: clamp(3.45rem, 16vw, 5.4rem);
    letter-spacing: -0.072em;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .stack-list li {
    border-bottom: 1px solid var(--line-dark);
    padding: 12px 14px;
  }

  .stack-list li:first-child {
    padding-left: 14px;
  }

  .hero-status {
    grid-template-columns: 1fr;
  }

  .hero-status > * {
    border-left: 0;
    border-top: 1px solid var(--line-dark);
    padding: 18px 0;
  }

  .hero-status > div:first-child {
    border-top: 0;
  }

  .hero-status p {
    grid-column: auto;
  }

  .section {
    padding-block: 84px;
  }

  .section-heading {
    margin-bottom: 56px;
  }

  .section-heading h2 {
    font-size: clamp(2.8rem, 14vw, 4.8rem);
  }

  .horizontal-heading h2,
  .security-heading h2,
  .architecture-section .section-heading h2 {
    font-size: clamp(2.5rem, 11vw, 3.8rem);
  }

  .project-story {
    padding-top: 28px;
  }

  .project-story .lead {
    font-size: 1.65rem;
  }

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

  .story-columns article {
    border-left: 0;
    border-top: 1px solid var(--line-light);
    padding: 24px 0 34px;
  }

  .story-columns span {
    margin-bottom: 22px;
  }

  .project-numbers {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .project-numbers div {
    min-height: 150px;
  }

  .project-numbers div + div {
    border-left: 0;
    border-top: 1px solid rgb(11 11 11 / 25%);
  }

  .horizontal-heading,
  .security-heading {
    display: block;
  }

  .horizontal-heading .section-index,
  .security-heading .section-index {
    margin-bottom: 28px;
  }

  .horizontal-heading > p:last-child,
  .security-heading > p:last-child {
    margin-top: 26px;
  }

  .feature-list article {
    gap: 18px;
    grid-template-columns: 1fr;
    padding: 34px 0;
  }

  .feature-list ul {
    margin-top: 10px;
  }

  .architecture-flow {
    display: block;
    margin-bottom: 64px;
  }

  .architecture-flow > div {
    min-height: auto;
    padding: 28px 0;
  }

  .architecture-flow > div:nth-of-type(even) {
    border-left: 0;
  }

  .architecture-flow span {
    margin-bottom: 28px;
  }

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

  .decision-list article,
  .decision-list article:nth-child(odd),
  .decision-list article:nth-child(even) {
    border-left: 0;
    gap: 14px;
    grid-template-columns: 38px 1fr;
    padding: 28px 0;
  }

  .decision-list p {
    grid-column: 2;
  }

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

  .security-grid article {
    min-height: auto;
    padding: 32px 0;
  }

  .security-grid article + article {
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }

  .security-grid h3 {
    margin-top: 32px;
  }

  .security-note {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 26px 22px;
  }

  .evidence,
  .evidence-offset {
    display: flex;
    flex-direction: column;
  }

  .evidence figcaption,
  .evidence-offset figcaption {
    padding: 24px 0 0;
  }

  .evidence figcaption > span {
    margin-bottom: 22px;
  }

  .image-frame {
    padding: 5px;
  }

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

  .closing-grid .button {
    grid-column: auto;
  }

  .site-footer {
    align-items: start;
    grid-template-columns: 1fr;
    padding: 40px 18px;
  }

  .site-footer p {
    text-align: left;
  }

  .site-footer > div {
    flex-wrap: wrap;
    justify-content: start;
  }
}

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

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