:root {
  --paper: #ffffff;
  --ink: #080808;
  --muted: #4b4b4b;
  --line: #1e1e1e;
  --line-light: rgba(8, 8, 8, 0.24);
  --accent: #e51b23;
  --page-gutter: clamp(1.25rem, 3vw, 3rem);
  --section-space: clamp(5.5rem, 10vw, 10rem);
  --font-sans: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.35;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

p,
h1,
h2,
h3,
ol {
  margin: 0;
}

button {
  color: inherit;
  font: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.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;
}

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

.arrow-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.5;
}

.site-header {
  min-height: 5.5rem;
  padding: 0 var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) auto auto;
  align-items: center;
  column-gap: clamp(1.5rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--line);
}

.brand,
.footer-brand {
  width: fit-content;
  font-size: clamp(1.35rem, 1.8vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.8vw, 3rem);
}

.site-nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-size: 0.98rem;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.45rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  min-height: 3.25rem;
  padding: 0.75rem 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  border: 1px solid var(--ink);
  font-size: 0.95rem;
  transition: color 180ms ease, background-color 180ms ease;
}

.header-cta .arrow-icon {
  color: var(--accent);
}

.header-cta:hover {
  color: var(--paper);
  background: var(--ink);
}

.hero {
  min-height: calc(100svh - 12.5rem);
  padding: clamp(5.5rem, 10vh, 8.5rem) var(--page-gutter) clamp(3rem, 5vh, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(12rem, 2fr);
  position: relative;
}

.hero-content {
  align-self: start;
}

.hero h1 {
  max-width: 67rem;
  font-size: clamp(4.75rem, 8.4vw, 8.3rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.072em;
}

.hero-copy {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  font-size: clamp(1.15rem, 1.65vw, 1.55rem);
  line-height: 1.42;
  letter-spacing: -0.025em;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
}

.button {
  min-height: 3.8rem;
  padding: 0.9rem 2.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 1rem;
  transition: color 180ms ease, background-color 180ms ease;
}

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

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

.copy-email-button {
  min-height: 3.8rem;
  padding: 0.9rem 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.copy-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}

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

.copy-email-button[data-copied="true"] {
  color: var(--paper);
  border-color: var(--accent);
  background: var(--accent);
}

.text-link {
  min-height: 2.75rem;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border-bottom: 1px solid currentColor;
  font-size: 1rem;
}

.text-link .arrow-icon {
  color: var(--accent);
  transition: transform 180ms ease;
}

.text-link:hover .arrow-icon {
  transform: translate(0.2rem, -0.2rem);
}

.hero-mark {
  width: min(15vw, 12rem);
  height: min(15vw, 12rem);
  align-self: end;
  justify-self: end;
  position: relative;
}

.crosshair {
  position: absolute;
  display: block;
  background: var(--line);
}

.crosshair-horizontal {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.crosshair-vertical {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.crosshair-dot {
  position: absolute;
  top: calc(50% - 0.2rem);
  left: calc(50% - 0.2rem);
  width: 0.4rem;
  height: 0.4rem;
  background: var(--accent);
  box-shadow: 0 0 0 0.25rem var(--paper);
}

.section-shell {
  padding-right: var(--page-gutter);
  padding-left: var(--page-gutter);
}

.section-marker {
  min-height: 8.25rem;
  margin-right: calc(var(--page-gutter) * -1);
  margin-left: calc(var(--page-gutter) * -1);
  display: grid;
  grid-template-columns: 13.5rem 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-marker span {
  padding: 2rem var(--page-gutter);
  display: flex;
  align-items: center;
  font-size: clamp(1.6rem, 2.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.section-marker span:first-child {
  border-right: 1px solid var(--line);
}

.section-label {
  margin-bottom: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section-label span {
  color: var(--accent);
  font-size: 1.1em;
}

.section-intro {
  padding-top: var(--section-space);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(18rem, 2fr);
  gap: 4rem;
}

.section-intro h2,
.about h2 {
  font-size: clamp(4rem, 8vw, 7.5rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.section-intro > p {
  max-width: 34rem;
  align-self: end;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.service-list {
  list-style: none;
}

.service-row {
  min-height: clamp(11rem, 15vw, 14rem);
  padding: 2.25rem 0;
  display: grid;
  grid-template-columns: 13.5rem minmax(18rem, 1.15fr) minmax(18rem, 1fr);
  align-items: center;
  border-bottom: 1px solid var(--line-light);
}

.service-row:first-child {
  border-top: 1px solid var(--line-light);
}

.service-number {
  align-self: stretch;
  padding-right: 2.5rem;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--line-light);
  font-size: clamp(4.5rem, 7.5vw, 7rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.07em;
}

.service-row h3 {
  padding: 0 3.5rem;
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.055em;
}

.service-row > p {
  max-width: 31rem;
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.work {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.work h2 {
  font-size: clamp(5rem, 11vw, 10.75rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.work-status {
  margin: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(4.5rem, 8vw, 7.5rem);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.work-status > span {
  width: 1.65rem;
  height: 2px;
  margin-top: 0.65em;
  background: var(--accent);
}

.project-row {
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr 0.5fr 1fr auto;
  gap: 2rem;
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-field {
  min-height: 10.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-label {
  font-size: 0.78rem;
}

.project-field p {
  font-size: 1.25rem;
  line-height: 1.1;
}

.project-name p {
  font-size: clamp(2.5rem, 4vw, 4rem);
  letter-spacing: -0.055em;
}

.project-link {
  min-width: 13.5rem;
  min-height: 3.2rem;
  align-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.9rem;
  font-size: 0.95rem;
}

.project-link .arrow-icon {
  width: 2rem;
  color: var(--accent);
  transition: transform 180ms ease;
}

.project-link:hover .arrow-icon {
  transform: translateX(0.25rem);
}

.about {
  padding-top: var(--section-space);
}

.about-intro {
  padding-bottom: clamp(4.5rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  gap: clamp(4rem, 9vw, 10rem);
}

.about-copy {
  padding-left: clamp(2rem, 5vw, 5.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  border-left: 1px solid var(--line-light);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: -0.025em;
}

.about-copy > p {
  max-width: 34rem;
}

.tech-stack {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principles {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-light);
}

.principles li {
  min-height: 8.5rem;
  padding: 2rem 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-light);
}

.principles li:not(:first-child) {
  padding-left: clamp(2rem, 5vw, 4.5rem);
}

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

.principles span {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.principles strong {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  letter-spacing: -0.03em;
}

.contact {
  padding: clamp(4rem, 7vw, 6.5rem) var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(25rem, 0.85fr);
  gap: clamp(4rem, 8vw, 9rem);
  color: var(--paper);
  background: var(--ink);
}

.section-label-light {
  color: var(--paper);
}

.contact h2 {
  font-size: clamp(3.25rem, 6vw, 6.25rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.contact-action {
  padding-left: clamp(2rem, 5vw, 5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.42);
}

.contact-action > p {
  max-width: 31rem;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.45;
}

.contact-email-link {
  width: 100%;
  min-height: 7rem;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--paper);
  font-size: clamp(1.85rem, 3.3vw, 3.4rem);
  letter-spacing: -0.045em;
  transition: color 180ms ease, background-color 180ms ease;
}

.contact-email-link .arrow-icon {
  width: 1.75rem;
  color: var(--accent);
}

.contact-email-link:hover {
  color: var(--ink);
  background: var(--paper);
}

.contact-secondary-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.copy-email-button-dark {
  min-height: 3.25rem;
  padding: 0.75rem 1rem;
}

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

.contact-linkedin {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.site-footer {
  min-height: 8.5rem;
  padding: 0 var(--page-gutter);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
}

.site-footer > * + * {
  min-height: 6rem;
  padding-left: clamp(2rem, 5vw, 5rem);
  display: flex;
  align-items: center;
  border-left: 1px solid var(--line-light);
}

.site-footer p,
.footer-links {
  font-size: 0.9rem;
}

.footer-links {
  justify-content: space-between;
  gap: 1rem;
}

.footer-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  border-bottom-color: currentColor;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding-top: 1rem;
    padding-bottom: 0.7rem;
    row-gap: 0.35rem;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }

  .header-cta {
    grid-column: 2;
    grid-row: 1;
  }

  .service-row {
    grid-template-columns: 9rem minmax(16rem, 1fr) minmax(16rem, 1fr);
  }

  .section-marker {
    grid-template-columns: 9rem 1fr;
  }

  .project-row {
    grid-template-columns: 1.5fr 0.8fr 0.45fr 1fr;
  }

  .project-link {
    grid-column: 4;
  }
}

@media (max-width: 800px) {
  .site-header {
    column-gap: 1rem;
  }

  .site-nav {
    width: 100%;
    gap: 0 1.25rem;
    flex-wrap: wrap;
  }

  .site-nav a {
    min-height: 2.75rem;
    font-size: 0.9rem;
  }

  .hero {
    min-height: auto;
    padding-top: 5.25rem;
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(4rem, 15.5vw, 7rem);
  }

  .hero-mark {
    display: none;
  }

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

  .section-intro > p {
    align-self: auto;
  }

  .service-row {
    grid-template-columns: 6rem 1fr;
    gap: 0;
  }

  .service-number {
    grid-row: 1 / 3;
    padding-right: 1.25rem;
    font-size: 4rem;
  }

  .service-row h3,
  .service-row > p {
    padding-left: 2rem;
  }

  .service-row > p {
    margin-top: 1.5rem;
  }

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

  .project-name,
  .project-description,
  .project-link {
    grid-column: 1 / -1;
  }

  .project-field {
    min-height: 7rem;
  }

  .project-name {
    min-height: 10rem;
  }

  .project-link {
    min-width: 0;
    justify-content: flex-start;
  }

  .about-copy,
  .contact-action {
    padding-top: 2.5rem;
    padding-left: 0;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .contact-action {
    border-top-color: rgba(255, 255, 255, 0.42);
  }

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

  .principles li,
  .principles li:not(:first-child) {
    min-height: 7rem;
    padding: 1.5rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .site-footer {
    padding-top: 2rem;
    padding-bottom: 2rem;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .site-footer > * + * {
    min-height: 0;
    padding-left: 0;
    border-left: 0;
  }

  .footer-links {
    grid-column: 1 / -1;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line-light);
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-top: 0.8rem;
  }

  .brand {
    font-size: 1.35rem;
  }

  .header-cta {
    min-height: 2.9rem;
    padding: 0.6rem 0.75rem;
    gap: 0.45rem;
    font-size: 0.76rem;
  }

  .header-cta .arrow-icon {
    width: 1rem;
    height: 1rem;
  }

  .site-nav {
    gap: 0 0.9rem;
  }

  .site-nav a {
    font-size: 0.78rem;
  }

  .hero {
    padding-top: 4.5rem;
    padding-bottom: 4rem;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 16.8vw, 5.3rem);
    line-height: 0.9;
  }

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

  .hero-copy br {
    display: none;
  }

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

  .hero-mark {
    width: 5.5rem;
    height: 5.5rem;
  }

  .section-marker {
    min-height: 6.5rem;
    grid-template-columns: 5rem 1fr;
  }

  .section-marker span {
    padding: 1.4rem var(--page-gutter);
    font-size: 1.45rem;
  }

  .section-intro {
    gap: 2.5rem;
  }

  .section-intro h2,
  .about h2 {
    font-size: clamp(3.5rem, 17vw, 5rem);
  }

  .service-row {
    min-height: 0;
    padding: 2.5rem 0;
    grid-template-columns: 1fr;
  }

  .service-number {
    grid-row: auto;
    margin-bottom: 1.75rem;
    padding: 0;
    border-right: 0;
    font-size: 3rem;
  }

  .service-row h3,
  .service-row > p {
    padding-left: 0;
  }

  .service-row h3 {
    font-size: 2.7rem;
  }

  .work h2 {
    font-size: clamp(4.1rem, 20vw, 6rem);
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .project-field,
  .project-name,
  .project-description,
  .project-link {
    grid-column: 1;
    min-height: 0;
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--line-light);
  }

  .project-field {
    gap: 1rem;
  }

  .project-link {
    border-bottom: 0;
  }

  .about-copy {
    font-size: 1.05rem;
  }

  .contact h2 {
    font-size: clamp(3rem, 14vw, 4.5rem);
  }

  .contact h2 br {
    display: none;
  }

  .contact-email-link {
    min-height: 5.75rem;
    padding: 1rem;
    font-size: clamp(1.45rem, 7vw, 2.15rem);
  }

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

  .site-footer p,
  .footer-links {
    grid-column: 1;
  }

  .site-footer p {
    padding-top: 1.25rem;
    border-top: 1px solid var(--line-light);
  }
}

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

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