:root {
  --ink: #0b1830;
  --ink-soft: #31415c;
  --paper: #f5f2ea;
  --paper-strong: #fffdf8;
  --line: #d8d6cf;
  --blue: #2b6fda;
  --blue-deep: #194f9f;
  --green: #2dd09a;
  --orange: #ff6b36;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(11, 24, 48, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--paper-strong);
  border-radius: 8px;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 26px 0;
  border-bottom: 1px solid rgba(11, 24, 48, .16);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.05rem; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; color: white; background: var(--ink); border-radius: 9px 9px 9px 2px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92rem; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--ink-soft); font-size: .88rem; font-weight: 650; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--blue-deep); }
.nav-cta { padding: 10px 16px; color: var(--paper-strong) !important; background: var(--ink); border-radius: 999px; }
.nav-cta:hover, .nav-cta:focus-visible { background: var(--blue-deep); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
  min-height: 690px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 76px 0 88px;
}
.hero::before {
  position: absolute;
  z-index: -1;
  top: 30px;
  left: 40%;
  width: 420px;
  height: 420px;
  content: "";
  border: 1px solid rgba(43, 111, 218, .14);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(43,111,218,.035), 0 0 0 160px rgba(43,111,218,.02);
}
.eyebrow, .section-label { margin: 0 0 20px; color: var(--blue-deep); font-size: .77rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px rgba(45,208,154,.14); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 26px; font-size: clamp(3.45rem, 6.3vw, 6.6rem); line-height: .93; letter-spacing: -.075em; }
h1 em, h2 em { color: var(--blue); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-lede { max-width: 660px; margin-bottom: 34px; color: var(--ink-soft); font-size: clamp(1.08rem, 1.55vw, 1.3rem); line-height: 1.58; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 12px 20px; border: 1px solid transparent; border-radius: 999px; font-size: .92rem; font-weight: 750; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible { outline: 3px solid rgba(43,111,218,.35); outline-offset: 3px; }
.button-primary { color: white; background: var(--blue); box-shadow: 0 10px 26px rgba(43,111,218,.23); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 13px 28px rgba(43,111,218,.3); }
.button-secondary { border-color: rgba(11,24,48,.22); background: rgba(255,255,255,.38); }
.button-secondary:hover { background: var(--paper-strong); }
.microcopy { margin: 14px 0 0; color: #6c7687; font-size: .78rem; }

.hero-panel { overflow: hidden; padding: 1px; background: var(--paper-strong); border: 1px solid rgba(11,24,48,.13); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-bar { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; color: #8090a6; background: var(--ink); border-radius: 17px 17px 0 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .67rem; text-transform: uppercase; letter-spacing: .08em; }
.panel-tag { padding: 4px 8px; color: var(--green); background: rgba(45,208,154,.08); border: 1px solid rgba(45,208,154,.25); border-radius: 999px; }
.flow-step { display: grid; grid-template-columns: 36px 1fr auto; gap: 13px; align-items: center; padding: 22px 22px; }
.flow-index { color: #93a0b1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .7rem; }
.flow-step strong { display: block; margin-bottom: 3px; font-size: .92rem; }
.flow-step small { display: block; color: #6c7687; font-size: .72rem; line-height: 1.4; }
.flow-state { padding: 5px 8px; color: var(--blue-deep); background: rgba(43,111,218,.08); border-radius: 999px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .6rem; text-transform: uppercase; }
.flow-state-accent { color: #087350; background: rgba(45,208,154,.12); }
.flow-line { width: 1px; height: 16px; margin: -8px 0 -8px 39px; background: var(--line); }
.panel-foot { padding: 14px 20px; color: var(--ink-soft); background: #f0f1ef; border-radius: 0 0 17px 17px; font-size: .72rem; }
.panel-foot span { margin-right: 7px; color: var(--orange); }

.proof { display: grid; grid-template-columns: 1.25fr .65fr .65fr 1fr; gap: 28px; align-items: center; padding: 34px max(24px, calc((100vw - 1180px)/2)); color: white; background: var(--ink); }
.proof p { margin-bottom: 0; color: #aeb9c8; font-size: .78rem; }
.proof .section-label { margin-bottom: 7px; color: var(--green); }
.proof-stat { display: flex; flex-direction: column; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.16); }
.proof-stat strong { font-size: 1.65rem; letter-spacing: -.04em; }
.proof-stat span { color: #aeb9c8; font-size: .7rem; }
.text-link { justify-self: end; color: var(--ink); font-size: .82rem; font-weight: 750; text-decoration: underline; text-decoration-color: rgba(11,24,48,.25); text-underline-offset: 5px; }
.proof .text-link { color: white; text-decoration-color: rgba(255,255,255,.28); }

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 112px 0; }
.problem { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(50px, 9vw, 130px); border-bottom: 1px solid var(--line); }
.section-heading h2 { margin-bottom: 0; font-size: clamp(2.35rem, 4.2vw, 4.5rem); line-height: 1.04; letter-spacing: -.055em; }
.section-heading.compact { display: grid; grid-template-columns: .55fr 1.45fr; gap: 40px; align-items: start; margin-bottom: 54px; }
.section-heading.compact h2 { max-width: 780px; font-size: clamp(2.15rem, 3.8vw, 3.65rem); }
.problem-copy { align-self: end; color: var(--ink-soft); font-size: 1.05rem; }
.problem-copy p:last-child { margin-bottom: 0; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 290px; padding: 30px; background: var(--paper-strong); border: 1px solid var(--line); border-radius: var(--radius); }
.card:nth-child(2) { transform: translateY(18px); }
.card:nth-child(3) { transform: translateY(36px); }
.card-number { display: inline-block; margin-bottom: 58px; color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.card h3 { margin-bottom: 13px; font-size: 1.3rem; letter-spacing: -.025em; }
.card p { margin-bottom: 0; color: var(--ink-soft); font-size: .9rem; }

.evidence-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(55px, 9vw, 130px); padding: 110px max(24px, calc((100vw - 1180px)/2)); color: white; background: var(--ink); }
.section-label.light { color: var(--green); }
.evidence-copy h2 { max-width: 570px; margin-bottom: 24px; font-size: clamp(2.5rem, 4.5vw, 4.7rem); line-height: 1.02; letter-spacing: -.06em; }
.evidence-copy > p:not(.section-label) { max-width: 570px; color: #b2bdcb; }
.light-link { color: white; }
.evidence-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
.evidence-list li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.evidence-list li > span { color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.evidence-list strong { display: block; margin-bottom: 4px; font-size: 1rem; }
.evidence-list small { display: block; color: #aeb9c8; font-size: .78rem; }

.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.boundary-column { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); }
.boundary-column h3 { margin-bottom: 24px; font-size: 1.15rem; }
.boundary-column h3 span { display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 9px; border-radius: 50%; }
.does { background: #eaf7f1; }
.does h3 span { color: #087350; background: rgba(45,208,154,.18); }
.does-not { background: #f3ece7; }
.does-not h3 span { color: #9b3c18; background: rgba(255,107,54,.14); }
.boundary-column ul { margin: 0; padding-left: 1.15rem; color: var(--ink-soft); }
.boundary-column li { margin: 10px 0; padding-left: 5px; }
.boundary-note { margin: 22px 0 0; padding: 18px 22px; color: var(--ink-soft); background: rgba(255,255,255,.42); border-left: 3px solid var(--orange); font-size: .82rem; }

.pilot-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 9vw, 130px); align-items: start; padding: 110px max(24px, calc((100vw - 1180px)/2)); background: #e5e9f0; }
.pilot-section h2 { max-width: 650px; margin-bottom: 0; font-size: clamp(2.5rem, 4.5vw, 4.7rem); line-height: 1.02; letter-spacing: -.06em; }
.pilot-details > p { color: var(--ink-soft); font-size: 1.03rem; }
.pilot-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.pilot-actions p { margin: 0; color: var(--ink); font-size: .78rem; line-height: 1.45; }
.pilot-actions p span { color: #68748a; }
.pilot-actions p a { color: var(--blue-deep); }

footer { display: grid; grid-template-columns: 1fr 1.4fr auto auto; gap: 30px; align-items: center; padding: 34px max(24px, calc((100vw - 1180px)/2)); color: #aeb9c8; background: #071225; font-size: .72rem; }
.footer-brand { color: white; }
footer p { margin: 0; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: #d7dee8; }
.copyright { text-align: right; }

@media (max-width: 980px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { max-width: 780px; }
  .hero-panel { max-width: 680px; }
  .proof { grid-template-columns: 1fr 1fr; }
  .proof-stat { padding-left: 0; border-left: 0; }
  .proof .text-link { justify-self: start; }
  .problem, .evidence-section, .pilot-section { grid-template-columns: 1fr; }
  .problem-copy { max-width: 720px; }
  .section-heading.compact { grid-template-columns: 1fr; gap: 0; }
  .card-grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .card:nth-child(2), .card:nth-child(3) { transform: none; }
  .card-number { margin-bottom: 28px; }
  footer { grid-template-columns: 1fr 1fr; }
  .footer-links, .copyright { justify-self: end; }
}

@media (max-width: 640px) {
  .site-header, .hero, .section { width: min(100% - 32px, 1180px); }
  .site-header { padding: 18px 0; }
  .brand { font-size: .95rem; }
  .brand-mark { width: 29px; height: 29px; }
  .nav-cta { padding: 9px 12px; font-size: .74rem; }
  .hero { gap: 48px; padding: 56px 0 64px; }
  .hero::before { display: none; }
  h1 { font-size: clamp(3.1rem, 16vw, 4.8rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .flow-step { grid-template-columns: 28px 1fr; padding: 18px 16px; }
  .flow-state { display: none; }
  .flow-line { margin-left: 29px; }
  .panel-tag { display: none; }
  .proof { grid-template-columns: 1fr; gap: 20px; padding-top: 30px; padding-bottom: 30px; }
  .proof-stat { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.13); }
  .section, .evidence-section, .pilot-section { padding-top: 78px; padding-bottom: 78px; }
  .boundary-grid { grid-template-columns: 1fr; }
  .boundary-column { padding: 24px; }
  .pilot-actions { align-items: stretch; flex-direction: column; }
  .pilot-actions p { text-align: center; }
  footer { grid-template-columns: 1fr; text-align: left; }
  .footer-links, .copyright { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}