:root {
  --background: #ffffff;
  --accent: #ff5722;
  --accent-ink: #b8320d;
  --ink: #171717;
  --muted: #625d58;
  --border: #ded7d0;
  --surface: #f7f3ef;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page-width: 88rem;
  --side-space: clamp(1rem, 3vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--background);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

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

p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #ffffff;
  font-family: var(--sans);
  font-size: 0.85rem;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

.site-header,
.section-shell,
.site-footer,
.hero {
  width: min(calc(100% - (var(--side-space) * 2)), var(--page-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid var(--border);
}

.wordmark {
  display: inline-flex;
  color: var(--ink);
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}

.wordmark span {
  font-size: 1.08rem;
  font-weight: 500;
}

.wordmark small {
  margin-top: 0.35rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header-cta,
.primary-cta,
.project-link,
.text-link {
  color: var(--accent-ink);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.header-cta {
  padding: 0.7rem 0;
  border-bottom: 1px solid currentColor;
}

.hero {
  position: relative;
  min-height: calc(100svh - 5rem);
  padding: clamp(5rem, 10vw, 9.5rem) 0 clamp(4.5rem, 8vw, 8rem);
}

.hero-mark {
  position: absolute;
  z-index: -1;
  top: clamp(3rem, 7vw, 7rem);
  right: clamp(0rem, 4vw, 5rem);
  width: clamp(4rem, 10vw, 9rem);
  aspect-ratio: 1;
  background: var(--accent);
  opacity: 0.11;
}

.eyebrow,
.project-category,
.hero-scope {
  color: var(--accent-ink);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: clamp(1.7rem, 4vw, 2.8rem);
}

.hero h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(3rem, 7.2vw, 7.2rem);
  font-weight: 400;
  letter-spacing: -0.048em;
  line-height: 0.99;
}

.hero h1 em {
  color: var(--accent-ink);
  font-weight: 400;
}

.hero-notes {
  display: grid;
  grid-template-columns: minmax(0, 28rem) minmax(13rem, 22rem);
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin-top: clamp(3.5rem, 7vw, 7rem);
  margin-left: min(30vw, 27rem);
}

.hero-notes > p:first-child {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.65;
}

.hero-scope {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.8;
}

.ruled-section {
  padding-block: clamp(4.5rem, 8vw, 8rem);
  border-top: 1px solid var(--border);
}

.depth-item {
  transform: translate3d(0, var(--depth-shift, 0), 0);
}

.services-section {
  display: grid;
  grid-template-columns: minmax(14rem, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
}

.services-heading .eyebrow {
  margin-bottom: 0.9rem;
}

.services-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.services-heading > p:last-child {
  max-width: 22rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.services-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.65rem;
  align-items: center;
  min-height: 4.1rem;
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.98rem;
}

.services-list li:nth-child(odd) {
  padding-right: 1.2rem;
  border-right: 1px solid var(--border);
}

.services-list li:nth-child(even) {
  padding-left: 1.2rem;
}

.services-list span,
.section-number,
.project-index {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(3rem, 0.45fr) minmax(0, 1.55fr);
  gap: clamp(1rem, 4vw, 4rem);
  margin-bottom: clamp(3.5rem, 7vw, 7rem);
}

.compact-intro {
  margin-bottom: clamp(2.8rem, 5vw, 4.5rem);
}

.section-number,
.project-index {
  margin: 0;
}

.section-intro .eyebrow {
  margin-bottom: 1rem;
}

.section-intro h2,
.consulting-cta h2 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.2rem, 4.6vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

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

.project-row {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  gap: clamp(1.25rem, 4vw, 4.5rem);
  align-items: center;
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-bottom: 1px solid var(--border);
  transition: padding 180ms ease, background-color 180ms ease;
}

.project-row:hover {
  padding-inline: 0.65rem;
  background: var(--surface);
}

.project-copy {
  display: grid;
  grid-template-columns: minmax(11rem, 0.8fr) minmax(15rem, 1.2fr);
  gap: clamp(1.25rem, 4vw, 4.5rem);
  align-items: start;
}

.project-category {
  margin: 0.45rem 0 0;
}

.project-copy h3 {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.project-copy > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  max-width: 36rem;
  margin: 0;
  color: var(--muted);
}

.project-link {
  position: relative;
  white-space: nowrap;
}

.arrow-link span {
  display: inline-block;
  margin-left: 0.18rem;
  transition: transform 180ms ease;
}

.arrow-link:hover span {
  transform: translate(0.16rem, -0.16rem);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  list-style: none;
}

.social-grid li {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.social-grid a {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: 5.2rem;
  padding: 1.3rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.social-grid a:hover {
  background: var(--surface);
  color: var(--accent-ink);
}

.faq-list {
  margin-left: min(30vw, 27rem);
  border-top: 1px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.1rem) 3rem clamp(1.5rem, 3vw, 2.1rem) 0;
  cursor: pointer;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 0.25rem;
  color: var(--accent-ink);
  content: "+";
  font-family: var(--sans);
  font-size: 1.2rem;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 52rem;
  margin: -0.2rem 0 0;
  padding: 0 3rem clamp(1.8rem, 4vw, 2.6rem) 0;
  color: var(--muted);
  line-height: 1.7;
}

.consulting-cta {
  position: relative;
  padding-block: clamp(6rem, 12vw, 12rem);
  border-top: 1px solid var(--ink);
}

.consulting-cta::after {
  position: absolute;
  top: clamp(5rem, 9vw, 9rem);
  right: 0;
  width: clamp(3rem, 7vw, 6rem);
  height: 1px;
  background: var(--accent);
  content: "";
}

.consulting-cta .eyebrow {
  margin-bottom: 1.4rem;
}

.consulting-cta > p:not(.eyebrow) {
  max-width: 28rem;
  margin: 2rem 0 2.5rem;
  color: var(--muted);
}

.primary-cta {
  display: inline-block;
  padding: 0.95rem 1.15rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--ink);
  transition: background-color 180ms ease, color 180ms ease;
}

.primary-cta:hover {
  background: transparent;
  color: var(--accent-ink);
}

.site-footer {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(4rem, 7vw, 6.5rem) 2rem;
  border-top: 1px solid var(--ink);
}

.footer-lead > p {
  max-width: 24rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1.25rem, 2vw, 1.9rem);
  line-height: 1.35;
}

.footer-social {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-content: start;
  gap: 0.8rem 2rem;
}

.footer-social a {
  position: relative;
  width: fit-content;
  font-family: var(--sans);
  font-size: 0.76rem;
  text-decoration: none;
}

.footer-meta {
  display: flex;
  grid-column: 1 / -1;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.7rem;
}

.footer-meta p {
  margin: 0;
}

.text-link {
  color: var(--accent-ink);
}

.not-found {
  display: grid;
  grid-template-columns: minmax(8rem, 0.5fr) minmax(0, 1.5fr);
  gap: clamp(2rem, 8vw, 9rem);
  min-height: calc(100svh - 5rem);
  padding-block: clamp(5rem, 12vw, 11rem);
}

.error-code {
  margin: 0;
  color: var(--accent);
  font-family: var(--sans);
  font-size: clamp(5rem, 14vw, 13rem);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.not-found h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

.not-found div > p:not(.eyebrow) {
  max-width: 34rem;
  margin: 2rem 0;
  color: var(--muted);
  font-size: 1.05rem;
}

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

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

@media (max-width: 1024px) {
  .project-row {
    grid-template-columns: 3rem minmax(0, 1fr);
  }

  .project-link {
    grid-column: 2;
    justify-self: start;
  }

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

@media (max-width: 760px) {
  .site-header {
    min-height: 4.5rem;
  }

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

  .hero h1 {
    font-size: clamp(2.8rem, 13vw, 5rem);
  }

  .hero-mark {
    top: 2rem;
    right: 0;
  }

  .hero-notes,
  .services-section,
  .site-footer,
  .not-found {
    grid-template-columns: 1fr;
  }

  .not-found {
    gap: 3rem;
    min-height: auto;
  }

  .hero-notes,
  .faq-list {
    margin-left: 0;
  }

  .services-section {
    gap: 2.5rem;
  }

  .section-intro {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .project-row {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 1rem;
  }

  .project-copy {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .project-copy h3,
  .project-copy > p:last-child {
    grid-column: 1;
    grid-row: auto;
  }

  .project-copy h3 {
    margin-bottom: 0.5rem;
  }

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

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

@media (max-width: 480px) {
  :root {
    --side-space: 0.85rem;
  }

  .wordmark span {
    font-size: 1rem;
  }

  .header-cta {
    font-size: 0.68rem;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 13.4vw, 4rem);
    letter-spacing: -0.04em;
  }

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

  .section-number {
    display: none;
  }

  .section-intro h2,
  .consulting-cta h2 {
    font-size: clamp(2.1rem, 11vw, 3rem);
  }

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

  .services-list li:nth-child(odd),
  .services-list li:nth-child(even) {
    padding-inline: 0.35rem;
    border-right: 0;
  }

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

  .project-index,
  .project-link {
    grid-column: 1;
  }

  .faq-list summary {
    padding-right: 2.4rem;
  }

  .faq-list details p {
    padding-right: 0.5rem;
  }

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

  .footer-meta {
    align-items: flex-start;
  }
}

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

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

  .depth-item {
    transform: none !important;
  }
}