:root {
  --ink: #111827;
  --paper: #edf2f7;
  --white: #f8fbff;
  --sand: #cbd5e1;
  --blue: #2447f9;
  --acid: #c7ff45;
  --cyan: #17d4c2;
  --line: rgba(23, 23, 23, 0.25);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --side: clamp(1.25rem, 4vw, 4.5rem);
  --header-height: 5rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 var(--side);
  border-bottom: 1px solid var(--ink);
  background: rgba(237, 242, 247, 0.94);
  backdrop-filter: blur(12px);
}

.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(23, 23, 23, 0.08); }

.brand { display: inline-flex; align-items: center; gap: 0.75rem; width: max-content; }

.brand-mark { width: 1.9rem; height: 1.9rem; overflow: visible; color: var(--ink); }
.brand-mark__frame { fill: none; stroke: currentColor; stroke-width: 1.7; }
.brand-mark__n { fill: none; stroke: var(--blue); stroke-width: 4.2; stroke-linecap: square; stroke-linejoin: miter; }
.brand-mark__node { fill: var(--acid); stroke: var(--ink); stroke-width: 1.2; }

.brand-name { font-size: 1rem; font-weight: 900; letter-spacing: 0.11em; }
.brand-name > span { color: var(--blue); }

.primary-nav { justify-self: end; display: flex; align-items: center; gap: clamp(1.25rem, 3vw, 3rem); }
.primary-nav a { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.primary-nav > a:not(.nav-cta) { position: relative; padding: 1rem 0; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0.65rem; height: 1px; background: currentColor; transition: right 220ms ease; }
.primary-nav > a:not(.nav-cta):hover::after,
.primary-nav > a:not(.nav-cta):focus-visible::after { right: 0; }

.nav-cta { padding: 0.85rem 1rem; color: var(--white); background: var(--ink); transition: color 180ms ease, background 180ms ease; }
.nav-cta:hover, .nav-cta:focus-visible { color: var(--ink); background: var(--acid); }

.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 8rem) var(--side);
  border-bottom: 1px solid var(--ink);
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    linear-gradient(112deg, transparent 0 52%, rgba(36, 71, 249, 0.08) 52% 68%, transparent 68%),
    radial-gradient(circle at 88% 18%, rgba(23, 212, 194, 0.2), transparent 26%);
}
.hero-grid::before {
  content: "N";
  position: absolute;
  right: -0.08em;
  top: 50%;
  transform: translateY(-52%) rotate(-7deg);
  color: transparent;
  font: 400 min(78vw, 72rem)/0.72 var(--serif);
  -webkit-text-stroke: 1px rgba(17, 24, 39, 0.1);
}

.hero-copy, .signal-card { position: relative; z-index: 1; }

.eyebrow, .kicker, .section-index {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow span { display: inline-block; margin-right: 0.8rem; padding: 0.3rem 0.45rem; color: var(--white); background: var(--ink); }

.hero h1, .section h2, .contact h2 {
  max-width: 11ch;
  margin: 1.5rem 0 2rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 8.1vw, 8.5rem);
  font-weight: 400;
  letter-spacing: -0.072em;
  line-height: 0.82;
}

h1 em, h2 em { font-weight: 400; color: var(--blue); }

.hero-lede { max-width: 40rem; margin: 0; font-size: clamp(1.08rem, 1.7vw, 1.45rem); line-height: 1.45; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem 2rem; margin-top: 2.5rem; }

.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-width: 13rem; padding: 1rem 1.15rem; border: 1px solid var(--ink); font-family: var(--mono); font-size: 0.73rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease; }
.button:hover, .button:focus-visible { transform: translate(-3px, -3px); box-shadow: 5px 5px 0 var(--ink); }
.button--primary { background: var(--acid); }
.button--dark { color: var(--white); border-color: var(--ink); background: var(--ink); }
.button.is-disabled { opacity: 0.6; cursor: not-allowed; }
.button.is-disabled:hover { transform: none; box-shadow: none; }

.text-link { position: relative; padding: 0.5rem 0; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; border-bottom: 1px solid; }

.signal-card { align-self: stretch; min-height: 34rem; display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--ink); background: rgba(255, 253, 248, 0.82); box-shadow: 1rem 1rem 0 var(--blue); }
.signal-card__top, .signal-stage, .signal-card__axis { display: grid; align-items: center; border-bottom: 1px solid var(--ink); }
.signal-card__top { grid-template-columns: 1fr auto; padding: 1rem; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; }
.signal-live { display: flex; align-items: center; gap: 0.45rem; }
.signal-live i { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(23, 212, 194, 0.5); animation: pulse 2s infinite; }
.signal-stage { grid-template-columns: 3.5rem 1fr 1fr; flex: 1; gap: 1rem; padding: 1rem; transition: color 200ms ease, background 200ms ease; }
.signal-stage:hover { color: var(--white); background: var(--ink); }
.signal-stage > span, .signal-stage small { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.06em; text-transform: uppercase; }
.signal-stage strong { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.35rem); font-weight: 400; }
.signal-card__axis { grid-template-columns: auto 1fr auto; gap: 0.8rem; padding: 0.8rem 1rem; border: 0; font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; }
.signal-card__axis i { height: 1px; background: var(--ink); }

@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(23, 212, 194, 0); } }

.ticker { overflow: hidden; color: var(--white); background: var(--ink); border-bottom: 1px solid var(--ink); }
.ticker-track { width: max-content; display: flex; align-items: center; gap: 2rem; padding: 1rem 0; animation: ticker 30s linear infinite; }
.ticker span { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; }
.ticker i { width: 0.45rem; height: 0.45rem; transform: rotate(45deg); background: var(--acid); }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { position: relative; padding: clamp(5rem, 10vw, 10rem) var(--side); border-bottom: 1px solid var(--ink); }
.section--ink { color: var(--white); background: var(--ink); }
.section--sand { background: var(--sand); }
.section-index { position: absolute; top: 2rem; left: var(--side); opacity: 0.65; }

.manifesto { min-height: 46rem; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr); align-items: center; overflow: hidden; }
.manifesto-copy { position: relative; z-index: 2; }
.manifesto h2 { max-width: 11ch; font-size: clamp(3.5rem, 7vw, 7rem); }
.manifesto h2 em { color: var(--acid); }
.manifesto-copy > p:last-child { max-width: 42rem; font-size: clamp(1.05rem, 1.7vw, 1.4rem); line-height: 1.55; }
.manifesto-orbit { position: relative; width: min(37vw, 32rem); aspect-ratio: 1; justify-self: center; }
.manifesto-orbit .orbit { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,0.45); border-radius: 50%; }
.manifesto-orbit .orbit--two { transform: rotate(60deg) scaleX(0.52); border-color: var(--blue); }
.manifesto-orbit::after { content: ""; position: absolute; inset: 10%; border: 1px solid var(--acid); transform: rotate(-35deg); }
.manifesto-orbit i { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); font: 400 clamp(5rem, 10vw, 9rem)/1 var(--serif); }

.section-heading { display: grid; grid-template-columns: 1fr minmax(18rem, 0.55fr); gap: 4rem; align-items: end; margin-bottom: clamp(3rem, 6vw, 6rem); }
.section-heading h2 { margin-bottom: 0; font-size: clamp(3.5rem, 6.2vw, 6.5rem); }
.section-heading > p { margin: 0 0 0.5rem; font-size: 1.12rem; line-height: 1.55; }

.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.service-card { min-height: 31rem; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 3rem); border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--cyan); }
.service-card--blue { color: var(--white); background: var(--blue); }
.service-card--acid { background: var(--acid); }
.service-card--paper { background: var(--white); }
.service-card__meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; }
.service-card h3 { margin: 3.5rem 0 1.5rem; font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.5rem); font-weight: 400; line-height: 0.98; letter-spacing: -0.04em; }
.service-card > p { max-width: 32rem; margin: 0; line-height: 1.5; }
.service-card ul { margin: auto 0 0; padding: 2rem 0 0; list-style: none; border-top: 1px solid currentColor; }
.service-card li { display: flex; gap: 0.8rem; padding: 0.35rem 0; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; }
.service-card li::before { content: "+"; }

.approach-intro { max-width: 65rem; margin: 0 auto clamp(4rem, 8vw, 8rem); text-align: center; }
.approach-intro h2 { max-width: 12ch; margin-right: auto; margin-left: auto; font-size: clamp(3.5rem, 6.5vw, 7rem); }
.steps { border-top: 1px solid var(--ink); }
.step { display: grid; grid-template-columns: 5rem minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: 2rem 0; border-bottom: 1px solid var(--ink); }
.step-number, .step-tag { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; }
.step h3 { margin: 0 0 0.35rem; font: 400 clamp(2rem, 4vw, 4rem)/1 var(--serif); }
.step p { margin: 0; font-size: 1.02rem; }
.step-tag { padding: 0.5rem 0.7rem; border: 1px solid; }

.engagement-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.engagement-card { min-height: 27rem; display: flex; flex-direction: column; padding: 2rem; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--white); }
.engagement-card--feature { color: var(--white); background: var(--ink); }
.engagement-card > span { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; }
.engagement-card h3 { margin: 4rem 0 1rem; font: 400 clamp(2rem, 3.2vw, 3.2rem)/0.98 var(--serif); }
.engagement-card p { line-height: 1.55; }
.engagement-card a { width: max-content; margin-top: auto; padding-bottom: 0.35rem; border-bottom: 1px solid; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }

.company { display: grid; grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.8fr); gap: clamp(4rem, 9vw, 10rem); align-items: center; }
.company h2 { max-width: 11ch; font-size: clamp(3.5rem, 6vw, 6.3rem); }
.company h2 em { color: var(--cyan); }
.company-statement > p:last-child { max-width: 39rem; font-size: 1.15rem; line-height: 1.55; }
.company-notes { border-top: 1px solid rgba(255,255,255,0.5); }
.company-notes > p { margin: 0; padding: 1rem 0; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; }
.company-notes div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: 1.3rem 0; border-top: 1px solid rgba(255,255,255,0.25); }
.company-notes span { color: var(--acid); font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; }
.company-notes strong { font-size: 1.02rem; font-weight: 500; line-height: 1.35; }

.contact { position: relative; min-height: 42rem; display: grid; grid-template-columns: 1.2fr minmax(20rem, 0.7fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; overflow: hidden; padding: clamp(5rem, 10vw, 10rem) var(--side); border-bottom: 1px solid var(--ink); background: var(--blue); }
.contact-copy, .contact-panel { position: relative; z-index: 2; }
.contact h2 { max-width: 12ch; font-size: clamp(3.5rem, 6.5vw, 7rem); }
.contact h2 em { color: var(--acid); }
.contact-copy > p:last-child { max-width: 40rem; font-size: 1.15rem; line-height: 1.55; }
.contact-panel { padding: 2rem; border: 1px solid var(--ink); background: var(--paper); box-shadow: 0.8rem 0.8rem 0 var(--ink); }
.contact-panel > p { margin: 0 0 2rem; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; }
.detail-row { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--ink); }
.detail-row span { font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; }
.detail-row strong { font-weight: 500; }
.email-link { border-bottom: 1px solid transparent; transition: border-color 180ms ease; }
.email-link:hover, .email-link:focus-visible { border-color: currentColor; }
.contact-panel .button { width: 100%; margin-top: 2rem; }
.contact-radar { position: absolute; width: 36rem; aspect-ratio: 1; right: -14rem; top: -14rem; border: 1px solid rgba(255,255,255,0.35); border-radius: 50%; }
.contact-radar i { position: absolute; inset: 18%; border: 1px solid rgba(255,255,255,0.25); border-radius: 50%; }
.contact-radar i:nth-child(2) { inset: 35%; }
.contact-radar i:nth-child(3) { inset: 49%; }
.contact-radar span { position: absolute; left: 50%; bottom: 4%; font: 400 5rem/1 var(--serif); color: rgba(255,255,255,0.28); }

.site-footer { min-height: 22rem; display: grid; grid-template-columns: 1.5fr 1fr auto; gap: 3rem; align-content: center; padding: 4rem var(--side); color: var(--white); background: var(--ink); }
.brand--footer .brand-mark { color: var(--white); }
.brand--footer .brand-mark__node { stroke: var(--white); }
.site-footer > p { margin: 0; font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.08em; line-height: 1.7; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-family: var(--mono); font-size: 0.67rem; text-transform: uppercase; }
.copyright { grid-column: 1 / -1; margin-top: 3rem !important; opacity: 0.55; }

.reveal { opacity: 0; transform: translateY(2rem); transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.8,.2,1); }
.reveal--delay { transition-delay: 120ms; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  :root { --header-height: 4.5rem; }
  .site-header { grid-template-columns: 1fr auto; }
  .menu-toggle { display: flex; align-items: center; gap: 0.8rem; border: 0; padding: 0.75rem; font: 700 0.68rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; background: transparent; }
  .menu-lines { display: grid; gap: 0.3rem; }
  .menu-lines i { width: 1.2rem; height: 1px; background: var(--ink); transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] .menu-lines i:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines i:last-child { transform: translateY(-2px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: var(--header-height) 0 auto; display: grid; gap: 0; visibility: hidden; opacity: 0; transform: translateY(-1rem); background: var(--paper); border-bottom: 1px solid var(--ink); transition: opacity 180ms ease, transform 180ms ease, visibility 180ms; }
  .primary-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .primary-nav a { padding: 1.25rem var(--side); border-top: 1px solid var(--ink); font-size: 0.8rem; }
  .nav-cta { color: var(--ink); background: var(--acid); }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .signal-card { min-height: 28rem; }
  .manifesto, .company, .contact { grid-template-columns: 1fr; }
  .manifesto-orbit { position: absolute; right: -8rem; bottom: -8rem; width: 28rem; opacity: 0.6; }
  .section-heading { grid-template-columns: 1fr; gap: 2rem; }
  .engagement-grid { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-links { justify-self: end; }
}

@media (max-width: 680px) {
  .hero { padding-top: 3.5rem; }
  .hero h1, .section h2, .contact h2 { letter-spacing: -0.06em; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .text-link { width: max-content; }
  .signal-card { min-height: 25rem; box-shadow: 0.55rem 0.55rem 0 var(--blue); }
  .signal-card__top { grid-template-columns: 1fr; gap: 0.5rem; }
  .signal-stage { grid-template-columns: 2rem 1fr; }
  .signal-stage small { grid-column: 2; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 27rem; }
  .step { grid-template-columns: 3rem 1fr; gap: 1rem; }
  .step-tag { display: none; }
  .company { gap: 3rem; }
  .contact { gap: 3rem; }
  .detail-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .site-footer { grid-template-columns: 1fr; min-height: 26rem; }
  .footer-links { justify-self: start; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}