:root {
  color-scheme: light;
  --max: 1180px;
  --pad: clamp(1.15rem, 4vw, 3rem);
  --radius: 4px;
  --font: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --display: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --bg: #f7f7f4;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-line: rgba(17, 17, 17, 0.16);
  --text: #111111;
  --muted: #565656;
  --quiet: #7a7a7a;
  --accent: #e11919;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(225, 25, 25, 0.08);
  --shadow: none;
  --header-bg: rgba(247, 247, 244, 0.9);
  --menu-bg: rgba(247, 247, 244, 0.98);
  --grid-strong: rgba(17, 17, 17, 0.34);
  --grid-muted: rgba(17, 17, 17, 0.13);
  --hero-scale: clamp(3.25rem, 13vw, 8.6rem);
  --h2-scale: clamp(2rem, 4.8vw, 4.2rem);
  --body-size: 1rem;
}

.variant-one {
  --bg: #f7f7f4;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-line: rgba(17, 17, 17, 0.15);
  --text: #111111;
  --muted: #555555;
  --quiet: #777777;
  --accent: #e11919;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(225, 25, 25, 0.08);
  --header-bg: rgba(247, 247, 244, 0.9);
  --menu-bg: rgba(247, 247, 244, 0.98);
  --grid-strong: rgba(17, 17, 17, 0.34);
  --grid-muted: rgba(17, 17, 17, 0.13);
  --hero-scale: clamp(3.2rem, 13vw, 8.4rem);
  --h2-scale: clamp(2rem, 5vw, 4.2rem);
}

.variant-two {
  --bg: #f3f6f8;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-line: rgba(18, 44, 74, 0.16);
  --text: #0f1d2b;
  --muted: #52606e;
  --quiet: #7a8793;
  --accent: #006fd6;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(0, 111, 214, 0.09);
  --font: "Segoe UI", Arial, "Helvetica Neue", Helvetica, sans-serif;
  --display: "Segoe UI", Arial, "Helvetica Neue", Helvetica, sans-serif;
  --radius: 6px;
  --header-bg: rgba(243, 246, 248, 0.9);
  --menu-bg: rgba(243, 246, 248, 0.98);
  --grid-strong: rgba(15, 29, 43, 0.34);
  --grid-muted: rgba(15, 29, 43, 0.13);
  --hero-scale: clamp(3rem, 11vw, 7.2rem);
  --h2-scale: clamp(1.9rem, 4.2vw, 3.5rem);
}

.variant-three {
  color-scheme: dark;
  --bg: #090909;
  --bg-soft: #101010;
  --panel: #151515;
  --panel-line: rgba(255, 255, 255, 0.16);
  --text: #f8f8f2;
  --muted: #b8b8b0;
  --quiet: #85857e;
  --accent: #d6ff39;
  --accent-contrast: #090909;
  --accent-soft: rgba(214, 255, 57, 0.09);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  --font: "Helvetica Neue", Arial, Helvetica, sans-serif;
  --display: "Helvetica Neue", Arial, Helvetica, sans-serif;
  --radius: 0;
  --header-bg: rgba(9, 9, 9, 0.88);
  --menu-bg: rgba(9, 9, 9, 0.98);
  --grid-strong: rgba(248, 248, 242, 0.34);
  --grid-muted: rgba(248, 248, 242, 0.13);
  --hero-scale: clamp(3.15rem, 12.5vw, 8rem);
  --h2-scale: clamp(2rem, 4.5vw, 3.8rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--body-size);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

.variant-one {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px) 0 0 / 8.333vw 100%,
    var(--bg);
}

.variant-two {
  background:
    linear-gradient(90deg, rgba(0, 111, 214, 0.06) 1px, transparent 1px) 0 0 / 12.5vw 100%,
    linear-gradient(180deg, #f8fafb 0%, var(--bg) 52%, #ffffff 100%);
}

.variant-three {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px) 0 0 / 10vw 100%,
    radial-gradient(circle at 82% 18%, rgba(214, 255, 57, 0.08), transparent 26rem),
    var(--bg);
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--text);
  color: var(--bg);
  padding: 0.7rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  border-bottom: 1px solid var(--panel-line);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0.82rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 760;
  letter-spacing: 0;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.variant-two .wordmark-mark {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.variant-three .wordmark-mark {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.58rem 0.7rem;
  transition: color 160ms ease, background 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-toggle {
  display: inline-grid;
  place-items: center;
  gap: 0.34rem;
  width: 2.45rem;
  height: 2.45rem;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  width: 1.05rem;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-3px) rotate(-45deg);
}

.section {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: clamp(4.25rem, 8vw, 7.5rem) var(--pad);
}

.hero {
  min-height: calc(100svh - 4rem);
  display: grid;
  align-items: center;
  gap: clamp(2.25rem, 6vw, 5rem);
  padding-top: clamp(4rem, 8vw, 6.8rem);
}

.hero-content {
  max-width: 850px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1.15rem;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.variant-two .eyebrow,
.variant-two .section-kicker {
  letter-spacing: 0.04em;
  text-transform: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  color: var(--text);
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.35rem;
  font-size: var(--hero-scale);
  line-height: 0.9;
  font-weight: 780;
  letter-spacing: 0;
}

.variant-two h1 {
  max-width: 13ch;
  line-height: 0.96;
  font-weight: 650;
}

.variant-three h1 {
  max-width: 11ch;
  line-height: 0.88;
  font-weight: 860;
  text-transform: uppercase;
}

h2 {
  max-width: 790px;
  margin-bottom: 1rem;
  font-size: var(--h2-scale);
  line-height: 1;
  font-weight: 740;
  letter-spacing: 0;
}

.variant-two h2 {
  font-weight: 620;
  line-height: 1.04;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 780;
}

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

.hero-copy {
  max-width: 630px;
  margin-bottom: 1.9rem;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.variant-two .hero-copy {
  max-width: 690px;
  font-size: clamp(1.06rem, 1.8vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.78rem 1rem;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.button-secondary {
  border-color: var(--panel-line);
  background: var(--panel);
  color: var(--text);
}

.variant-three .button-secondary {
  background: transparent;
}

.system-visual {
  width: min(100%, 520px);
  margin-inline: auto;
  border: 1px solid var(--panel-line);
  box-shadow: var(--shadow);
  background: var(--panel);
}

.variant-one .system-visual,
.variant-two .system-visual {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px) 0 0 / 25% 100%,
    var(--panel);
}

.variant-two .system-visual {
  background:
    linear-gradient(90deg, rgba(0, 111, 214, 0.08) 1px, transparent 1px) 0 0 / 25% 100%,
    var(--panel);
}

.system-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.grid-line {
  fill: none;
  stroke: var(--grid-strong);
  stroke-width: 1.5;
}

.grid-line.muted {
  stroke: var(--grid-muted);
}

.signal-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 5;
}

.node {
  fill: var(--accent);
  stroke: var(--panel);
  stroke-width: 4;
}

.node.large {
  fill: var(--text);
}

.variant-three .node.large {
  fill: var(--accent);
}

.node.subtle {
  fill: var(--text);
  opacity: 0.55;
}

.split {
  display: grid;
  gap: 1.4rem;
  border-top: 1px solid var(--panel-line);
}

.section-body > p {
  max-width: 760px;
  font-size: 1.02rem;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0 0;
  border: 1px solid var(--panel-line);
  background: var(--panel-line);
}

.facts div {
  min-height: 7.25rem;
  padding: 1rem;
  background: var(--panel);
}

.facts dt {
  margin-bottom: 0.55rem;
  color: var(--quiet);
  font-size: 0.68rem;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.variant-two .facts dt {
  letter-spacing: 0.02em;
  text-transform: none;
}

.facts dd {
  margin: 0;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 760;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 2.4rem;
}

.capability-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--panel-line);
  background: var(--panel-line);
}

.capability {
  min-height: 15.5rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--panel);
}

.variant-two .capability {
  min-height: 14.5rem;
}

.capability-index,
.steps span {
  display: inline-block;
  margin-bottom: 3.35rem;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 850;
}

.variant-two .capability-index,
.variant-two .steps span {
  font-size: 0.88rem;
}

.variant-three .capability-index,
.variant-three .steps span {
  font-size: 1.15rem;
}

.capability p,
.steps p {
  max-width: 30rem;
  margin-bottom: 0;
}

.steps {
  display: grid;
  gap: 0;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--panel-line);
}

.steps li {
  display: grid;
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--panel-line);
}

.steps span {
  margin-bottom: 0;
}

.contact-section {
  padding-bottom: clamp(5rem, 10vw, 8rem);
}

.contact-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 5vw, 3rem);
  border: 1px solid var(--panel-line);
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 48%),
    var(--panel);
  box-shadow: var(--shadow);
}

.variant-one .contact-panel {
  border-left: 0.45rem solid var(--accent);
}

.variant-three .contact-panel {
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 46%),
    #101010;
}

.contact-panel h2 {
  margin-bottom: 0;
}

.contact-panel p {
  max-width: 560px;
  margin-bottom: 0.5rem;
}

.contact-button {
  width: fit-content;
}

.site-footer {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 2rem var(--pad) 2.5rem;
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--panel-line);
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
}

.site-footer strong {
  color: var(--text);
}

.footer-meta a {
  color: var(--muted);
}

.footer-meta a:hover {
  color: var(--text);
}

.footer-note {
  max-width: 620px;
  margin-bottom: 0;
  font-size: 0.84rem;
}

.legal-page .site-header {
  position: static;
}

.legal-page .nav-links a {
  color: var(--muted);
}

.legal-hero {
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--panel-line);
}

.legal-hero h1 {
  max-width: 10ch;
  margin-bottom: 1rem;
  font-size: clamp(3rem, 10vw, 6.6rem);
  line-height: 0.92;
}

.legal-hero .hero-copy {
  max-width: 700px;
  margin-bottom: 0;
}

.legal-content {
  display: grid;
  gap: 2.2rem;
  max-width: 820px;
}

.legal-content section {
  padding-top: 1.8rem;
  border-top: 1px solid var(--panel-line);
}

.legal-content h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.1;
}

.legal-content h3 {
  margin: 1.25rem 0 0.45rem;
}

.legal-content ul {
  margin: 0.25rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.legal-content li + li {
  margin-top: 0.35rem;
}

.legal-content address {
  color: var(--muted);
  font-style: normal;
}

.legal-meta {
  color: var(--quiet);
  font-size: 0.86rem;
}

.legal-callout {
  padding: 1rem;
  border: 1px solid var(--panel-line);
  background: var(--accent-soft);
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 739px) {
  .nav-links {
    position: fixed;
    inset: 4.1rem 0 auto 0;
    display: grid;
    gap: 0;
    padding: 0.75rem var(--pad) 1rem;
    border-bottom: 1px solid var(--panel-line);
    background: var(--menu-bg);
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform 180ms ease, visibility 180ms ease;
  }

  .nav-links.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .nav-links a {
    padding: 0.95rem 0;
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }
}

@media (min-width: 740px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.75fr);
  }

  .variant-two .hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.68fr);
  }

  .split {
    grid-template-columns: minmax(130px, 0.32fr) minmax(0, 1fr);
  }

  .variant-two .split {
    grid-template-columns: minmax(170px, 0.36fr) minmax(0, 1fr);
  }

  .facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps li {
    grid-template-columns: 5.5rem minmax(0, 1fr);
  }

  .contact-panel {
    min-height: 24rem;
    align-content: center;
  }
}

@media (min-width: 1080px) {
  .capability-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}