:root {
  --ink: #10271d;
  --paper: #f1ecdf;
  --paper-2: #dfd5c2;
  --blue: #235b43;
  --acid: #d2a64d;
  --muted: #5d665e;
  --line: rgba(16, 39, 29, .18);
  --white: #fffaf0;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--acid); padding: .7rem; z-index: 20; }
.skip-link:focus { left: .5rem; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow { margin: 0 0 1rem; font-size: .73rem; font-weight: 760; letter-spacing: .17em; text-transform: uppercase; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(241, 236, 223, .9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 820; letter-spacing: -.04em; font-size: 1.15rem; }
.brand-mark { width: 29px; height: 29px; }
.nav-links { display: flex; align-items: center; gap: 1.7rem; }
.nav-links a { text-decoration: none; font-size: .84rem; font-weight: 650; }
.nav-links a:hover { color: var(--blue); }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 48px;
  padding: .75rem 1rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: .79rem;
  font-weight: 760;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.nav-cta, .button.primary { background: var(--ink); color: var(--white); }
.button.primary:hover, .nav-cta:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.button.secondary:hover { background: var(--ink); color: var(--white); }

.hero { position: relative; min-height: 720px; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid { min-height: 720px; display: grid; grid-template-columns: 1.35fr .65fr; }
.hero-copy { padding: 8.5rem 4rem 5rem 0; align-self: end; position: relative; z-index: 2; }
.hero h1 { max-width: 900px; margin: 0; font-size: clamp(4rem, 8.2vw, 8.4rem); line-height: .86; letter-spacing: -.078em; font-weight: 780; }
.hero h1 span { color: var(--blue); }
.hero-deck { max-width: 680px; margin: 2.2rem 0 0; font-size: clamp(1.15rem, 1.8vw, 1.55rem); line-height: 1.35; letter-spacing: -.025em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.hero-system { position: relative; border-left: 1px solid var(--line); min-height: 100%; background: var(--blue); color: var(--white); overflow: hidden; }
.system-label { position: absolute; inset: 2rem 2rem auto; z-index: 2; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; }
.orbit { position: absolute; width: 520px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.44); border-radius: 50%; left: 50%; top: 50%; transform: translate(-49%, -50%); }
.orbit::before, .orbit::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; inset: 18%; }
.orbit::after { inset: 36%; }
.axis { position: absolute; background: rgba(255,255,255,.35); }
.axis.h { height: 1px; width: 100%; top: 50%; }
.axis.v { width: 1px; height: 100%; left: 50%; }
.signal { position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 8px rgba(199,255,61,.16); left: calc(50% - 9px); top: calc(50% - 9px); animation: pulse 3s infinite; }
.node { position: absolute; width: 9px; height: 9px; background: var(--white); border-radius: 50%; }
.node.n1 { left: 11%; top: 36%; }.node.n2 { right: 13%; top: 21%; }.node.n3 { right: 6%; bottom: 28%; }.node.n4 { left: 22%; bottom: 13%; }
@keyframes pulse { 50% { box-shadow: 0 0 0 18px rgba(199,255,61,0); } }

.signal-strip { border-bottom: 1px solid var(--line); }
.signal-strip .shell { display: grid; grid-template-columns: repeat(3, 1fr); }
.signal-item { padding: 1.15rem 1.5rem; border-right: 1px solid var(--line); font-size: .72rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.signal-item:first-child { border-left: 1px solid var(--line); }

.section { padding: 7rem 0; border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .62fr 1.38fr; gap: 3rem; margin-bottom: 4rem; }
.section h2 { margin: 0; font-size: clamp(2.8rem, 5.4vw, 5.7rem); line-height: .93; letter-spacing: -.06em; font-weight: 720; }
.section-intro { max-width: 680px; margin: 1.5rem 0 0; font-size: 1.25rem; color: var(--muted); }

.problem-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.problem-lead { padding: 3rem 4rem 3rem 0; font-size: clamp(1.7rem, 3vw, 2.8rem); line-height: 1.12; letter-spacing: -.04em; }
.problem-list { border-left: 1px solid var(--line); }
.problem-row { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; padding: 1.35rem 0 1.35rem 2rem; border-bottom: 1px solid var(--line); }
.problem-row span { color: var(--blue); font-size: .78rem; font-weight: 750; }
.problem-row p { margin: 0; }

.focus-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.focus-card { position: relative; min-height: 320px; padding: 2.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; overflow: hidden; }
.focus-card:first-child { grid-column: span 2; }
.focus-card:hover { background: var(--ink); color: var(--white); }
.focus-card .num { font-size: .7rem; letter-spacing: .13em; color: var(--blue); }
.focus-card:hover .num { color: var(--acid); }
.focus-card h3 { margin: 4.8rem 0 1rem; font-size: clamp(2rem, 4vw, 4rem); line-height: .92; letter-spacing: -.055em; }
.focus-card p { max-width: 570px; margin: 0; color: var(--muted); }
.focus-card:hover p { color: #c8c8c2; }
.focus-card .arrow { position: absolute; right: 2rem; top: 2rem; font-size: 1.5rem; }

.dark { background: #0c2017; color: var(--white); }
.dark .eyebrow { color: var(--acid); }
.dark .section-intro, .dark p { color: #bcbdb8; }
.method { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 5rem; border-top: 1px solid rgba(255,255,255,.2); }
.method-step { min-height: 340px; padding: 2.5rem 2.2rem; border-right: 1px solid rgba(255,255,255,.2); }
.method-step:last-child { border-right: none; }
.method-step .step { color: var(--acid); font: 700 .72rem/1 monospace; letter-spacing: .1em; }
.method-step h3 { margin: 6rem 0 1rem; font-size: 2rem; letter-spacing: -.04em; }

.when-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }
.when-list { border-top: 1px solid var(--line); }
.when-list p { margin: 0; padding: 1.2rem 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
.engagements { background: var(--paper-2); padding: 2.5rem; }
.engagements h3 { margin: 0 0 1.5rem; font-size: 1.7rem; letter-spacing: -.04em; }
.engagement { display: grid; grid-template-columns: 34px 1fr; padding: 1.2rem 0; border-top: 1px solid var(--line); }
.engagement strong { display: block; margin-bottom: .25rem; }
.engagement p { margin: 0; color: var(--muted); font-size: .94rem; }

.cta { background: var(--blue); color: var(--white); padding: 7rem 0; }
.cta-grid { display: grid; grid-template-columns: 1.45fr .55fr; gap: 4rem; align-items: end; }
.cta h2 { margin: 0; max-width: 900px; font-size: clamp(3.3rem, 7vw, 7.8rem); line-height: .88; letter-spacing: -.07em; }
.cta p { margin: 0 0 1.4rem; color: #dbe1ff; }
.cta .button { background: var(--acid); color: var(--ink); border-color: var(--acid); }
.cta .button:hover { transform: translateY(-2px); background: var(--white); border-color: var(--white); }

.site-footer { background: #0c2017; color: var(--white); padding: 3rem 0; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.footer-brand { font-size: 1.5rem; font-weight: 800; letter-spacing: -.05em; }
.footer-meta { margin-top: .7rem; color: #91938e; font-size: .78rem; }
.footer-links { display: flex; gap: 1.2rem; font-size: .8rem; }
.footer-links a { color: #c8c9c4; text-decoration: none; }

.page-hero { padding: 8rem 0 5rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0; max-width: 1040px; font-size: clamp(3.4rem, 8vw, 8rem); line-height: .89; letter-spacing: -.07em; }
.page-hero p { max-width: 700px; margin: 2rem 0 0; font-size: 1.3rem; color: var(--muted); }
.brief-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: 5rem; }
.brief-aside { position: sticky; top: 110px; align-self: start; }
.brief-aside a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: .85rem; }
.brief-body h2 { margin: 0 0 1.2rem; font-size: clamp(2rem, 4vw, 3.7rem); letter-spacing: -.05em; line-height: 1; }
.brief-body h3 { margin: 2.5rem 0 .7rem; font-size: 1.35rem; }
.brief-body p { color: #464943; }
.brief-block { padding: 0 0 4rem; margin-bottom: 4rem; border-bottom: 1px solid var(--line); }
.bullet-list { margin: 1.5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.bullet-list li { padding: 1rem 0 1rem 1.5rem; border-bottom: 1px solid var(--line); position: relative; }
.bullet-list li::before { content: "↳"; position: absolute; left: 0; color: var(--blue); }

.coming { min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto; background: #0c2017; color: var(--white); }
.coming-header { padding: 2rem max(24px, 4vw); display: flex; justify-content: space-between; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.coming-main { width: min(1180px, calc(100% - 48px)); margin: auto; padding: 4rem 0; }
.coming-main h1 { margin: 0; font-size: clamp(4.5rem, 13vw, 12rem); line-height: .78; letter-spacing: -.09em; }
.coming-main h1 span { display: block; color: var(--acid); }
.coming-main p { max-width: 570px; margin: 3rem 0 0; color: #b7b9b3; font-size: 1.15rem; }
.coming-footer { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 2rem max(24px, 4vw); border-top: 1px solid rgba(255,255,255,.16); }
.coming-footer a { color: var(--white); text-underline-offset: 4px; }

@media (max-width: 820px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { height: 66px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-cta { min-height: 40px; padding: .55rem .7rem; font-size: .68rem; }
  .hero, .hero-grid { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 6.5rem 0 4rem; }
  .hero h1 { font-size: clamp(3.5rem, 17vw, 6.2rem); }
  .hero-system { min-height: 340px; border-left: 0; border-top: 1px solid var(--line); }
  .signal-strip .shell { grid-template-columns: 1fr; }
  .signal-item, .signal-item:first-child { border-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .section { padding: 5rem 0; }
  .section-head, .problem-grid, .when-grid, .cta-grid, .brief-grid { grid-template-columns: 1fr; gap: 2rem; }
  .problem-lead { padding: 2rem 0; }
  .problem-list { border-left: 0; }
  .problem-row { padding-left: 0; }
  .focus-grid { grid-template-columns: 1fr; }
  .focus-card:first-child { grid-column: auto; }
  .focus-card { min-height: 280px; padding: 1.7rem; }
  .method { grid-template-columns: 1fr; }
  .method-step { min-height: 260px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .method-step h3 { margin-top: 3.5rem; }
  .brief-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr; }
  .coming-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal { animation: none; }
  * { transition: none !important; }
}

@media print {
  .site-header, .site-footer, .cta, .brief-aside { display: none; }
  body { background: white; font-size: 11pt; }
  .section, .page-hero { padding: 28px 0; }
  .brief-grid { display: block; }
}