:root {
  --bg: #f4f4f2;
  --paper: #ffffff;
  --ink: #0f1112;
  --muted: #4b5057;
  --faint: #6b7280;
  --line: #d4d6d8;
  --wash: #eaecee;
  --accent: #0e7c6b;
  --max: 1080px;
  --wide: 1180px;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --header: 4.6rem;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

::selection {
  background: #cde8d4;
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.62;
  font-weight: 400;
  letter-spacing: -0.011em;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

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

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

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  z-index: 100;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}

.wrap-wide {
  width: min(var(--wide), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(var(--wide), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  display: block;
  height: 2.35rem;
  width: auto;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 1.2rem;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  margin-inline: auto;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

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

.site-nav a[aria-current="page"]::before {
  content: ">";
  margin-right: 0.35em;
  color: var(--ink);
}

.map-link {
  display: grid;
  place-items: center;
  color: var(--ink);
}

.map-link svg {
  width: 15px;
  height: 15px;
}

/* Hero */
.hero {
  padding: clamp(3.75rem, 10vw, 7.75rem) 0 clamp(3rem, 8vw, 5.5rem);
  text-align: center;
}

.hero h1 {
  margin: 0 auto;
  font-size: clamp(1.9rem, 3.6vw, 2.85rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.18;
  display: inline-block;
  color: var(--ink);
}

.hero h1::after {
  content: "";
  display: inline-block;
  width: 0.08em;
  height: 0.72em;
  margin-left: 0.12em;
  background: var(--accent);
  vertical-align: -0.04em;
  opacity: 0.45;
  animation: caret 2.4s ease-in-out infinite;
}

@keyframes caret {
  0%, 45% { opacity: 0.45; }
  50%, 95% { opacity: 0.12; }
  100% { opacity: 0.45; }
}

.tech-line {
  visibility: hidden;
  margin: 1.7rem auto 0;
  max-width: 54rem;
  min-height: 3.7em;
  font-family: var(--mono);
  font-size: clamp(0.74rem, 1.25vw, 0.88rem);
  line-height: 1.85;
  color: var(--faint);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.lede {
  max-width: 38rem;
  margin: 2.1rem auto 0;
  color: var(--muted);
  font-size: 1.08rem;
  letter-spacing: -0.018em;
}

/* Sections */
.section {
  padding: clamp(3.5rem, 7vw, 5.75rem) 0;
}

.section-muted {
  background: color-mix(in srgb, var(--wash) 92%, transparent);
  border-block: 1px solid var(--line);
}

.kicker {
  margin: 0 0 0.5rem;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.kicker::before {
  content: "> ";
  color: var(--accent);
}

.section h2,
.page-title {
  margin: 0;
  font-size: clamp(1.85rem, 3.8vw, 2.55rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.centered {
  text-align: center;
}

.centered .kicker,
.centered p {
  margin-left: auto;
  margin-right: auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.intro-grid p {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 38rem;
}

.facts {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.facts span {
  color: var(--faint);
}

.facts strong {
  font-weight: 500;
  letter-spacing: -0.02em;
}

/* Cards / expertise */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 2.75rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--paper);
  padding: 1.85rem 1.7rem 1.7rem;
  min-height: 12.5rem;
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.card .meta {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--faint);
}

.card .meta::before {
  content: "$ ";
  color: var(--ink);
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  background: #fff;
}

.card-wide {
  grid-column: 1 / -1;
  min-height: 0;
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 0.2rem 1.75rem;
  align-items: start;
}

.card-wide .meta {
  grid-row: 1 / span 2;
  margin: 0;
  padding-top: 0.2rem;
}

.card-wide h3,
.card-wide p {
  margin: 0;
}

/* Domain list on expertise */
.domains {
  display: grid;
  gap: 0;
  margin-top: 2.75rem;
  border-top: 1px solid var(--line);
}

.domain {
  display: grid;
  grid-template-columns: minmax(10rem, 16rem) 1fr;
  gap: 2rem;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line);
}

.domain h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.domain p {
  margin: 0;
  color: var(--muted);
}

/* Testimonial */
.quote-mark {
  margin: 1.35rem auto 0.85rem;
  font-family: var(--mono);
  font-size: 2.4rem;
  line-height: 1;
  font-weight: 400;
  color: var(--ink);
}

blockquote {
  margin: 0 auto;
  max-width: 44rem;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.02em;
}

.attribution {
  margin: 1.15rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.case-note {
  margin: 1.35rem auto 0;
  max-width: 40rem;
  color: var(--faint);
  font-size: 0.98rem;
}

/* Partners */
.partners {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem 1.5rem;
  margin-top: 3rem;
  text-align: center;
}

.partner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.mark {
  height: 64px;
  display: grid;
  place-items: center;
}

.mark img {
  display: block;
  max-height: 48px;
  max-width: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.mark-link {
  text-decoration: none;
}

.partner p {
  margin: 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
}

/* Open source */
.oss {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.oss p {
  color: var(--muted);
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #e8ebe6;
  text-decoration: none;
  border: 0;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  width: 100%;
}

.btn:hover {
  color: #fff;
  background: #000;
}

.btn-inline {
  width: auto;
  min-width: 12rem;
}

/* Contact */
.contact-panel {
  background: var(--wash);
  border-top: 1px solid var(--line);
}

.contact-simple {
  max-width: 36rem;
}

.contact-simple h1,
.contact-simple h2 {
  margin-bottom: 1.35rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  color: var(--faint);
}

.contact-list strong {
  font-weight: 500;
  text-align: right;
}

.contact-list a {
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

/* Careers */
.job {
  border: 1px solid var(--line);
  background: var(--paper);
}

.job-head {
  padding: 1.85rem 1.7rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.job-head h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.job-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.job-meta span {
  color: var(--faint);
  margin-right: 0.5em;
}

.job-meta strong {
  font-weight: 500;
}

.job-body {
  padding: 1.7rem;
}

.job-body p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.job-body h3 {
  margin: 1.5rem 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.job-body h3::before {
  content: "$ ";
  color: var(--ink);
}

.job-body ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.job-body li + li {
  margin-top: 0.45rem;
}

.job-apply {
  margin-top: 1.75rem !important;
}

/* Footer */
.site-footer {
  padding: 2.35rem 1rem 2rem;
  text-align: center;
  background: var(--bg);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
}

.site-footer a {
  text-decoration: none;
}

.site-footer p {
  margin: 0;
  color: var(--faint);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 0.5rem;
}

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

.site-footer .copy {
  margin-top: 0.7rem;
  font-size: 0.72rem;
  color: #6e726e;
}

.page-hero {
  padding: clamp(3rem, 7vw, 5rem) 0 1.5rem;
  text-align: center;
}

.page-hero p {
  margin: 0.75rem auto 0;
  color: var(--faint);
  max-width: 30rem;
  font-family: var(--mono);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .intro-grid,
  .oss,
  .domain,
  .card-wide {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .card-wide .meta {
    grid-row: auto;
  }

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

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

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    inset: var(--header) var(--pad) auto;
    background: var(--paper);
    border: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    gap: 0.9rem;
  }

  body.nav-open .site-nav {
    display: flex;
  }
}

@media (max-width: 560px) {
  .partners {
    grid-template-columns: 1fr;
  }

  .contact-list li {
    flex-direction: column;
    gap: 0.25rem;
  }

  .contact-list strong {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1::after {
    animation: none;
  }

  .tech-line {
    visibility: visible;
  }
}

.tech-line.typed {
  visibility: visible;
}