:root {
  color-scheme: light;
  --ink: #0b1f3a;
  --teal: #0e9f6e;
  --teal-text: #087a54;
  --surface: #f7f8fa;
  --card: #ffffff;
  --line: #e4e7ec;
  --muted: #66707d;
  --on-ink: #c5d1df;
  --line-on-ink: #344760;
  --teal-on-ink: #55d5af;
  --heading: "Space Grotesk", sans-serif;
  --body: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--surface); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
::selection { background: var(--ink); color: var(--card); }
p, h1, h2, h3 { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
.page-shell { width: min(100% - 112px, 1280px); margin-inline: auto; }
.site-header { min-height: 122px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.logo { width: 144px; }
.status { display: flex; align-items: center; gap: 10px; font: 0.8125rem/1.5 var(--mono); color: var(--muted); }
.status > span, .closing-status > span { display: inline-block; width: 6px; height: 6px; background: var(--teal); }
.section-label { color: var(--teal-text); font: 0.875rem/1.6 var(--mono); }
.hero { padding-top: 76px; }
h1, h2, h3 { font-family: var(--heading); font-weight: 500; }
h1 { margin-top: 29px; font-size: clamp(3.2rem, 7.3vw, 6.5rem); line-height: 1.08; letter-spacing: -0.066em; }
.accent { color: var(--teal-text); }
.hero-bottom { margin-top: 40px; display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.hero-copy { max-width: 550px; font-size: 1.1875rem; line-height: 1.65; color: var(--muted); }
.hero-copy strong { display: block; margin-bottom: 6px; font-weight: 500; color: var(--ink); }
.margin-note { padding-left: 18px; border-left: 1px solid var(--line); color: var(--muted); font: 0.8125rem/1.8 var(--mono); }
.adoption-map { display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: center; margin-top: 56px; padding: 40px; background: var(--ink); color: var(--card); gap: 24px; }
.map-end { display: flex; align-items: center; font: 1.125rem/1.5 var(--heading); }
.map-destination { justify-content: end; }
.map-middle { display: flex; align-items: center; gap: 24px; }
.connector { flex: 1; height: 1px; background: var(--teal); position: relative; }
.connector::after { content: ""; position: absolute; right: 0; top: -2px; width: 5px; height: 5px; background: var(--teal); }
.map-label { text-align: center; }
.map-name { display: block; color: var(--card); font: 500 2.5rem/1.2 var(--heading); letter-spacing: -0.05em; }
.map-purpose { display: block; color: var(--teal-on-ink); font: 0.875rem/1.6 var(--mono); margin-top: 10px; }
.perspective { padding: 90px 0; display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: center; }
h2 { font-size: clamp(2rem, 3.55vw, 3rem); line-height: 1.19; letter-spacing: -0.05em; text-wrap: balance; }
.section-heading h2 { margin-top: 24px; }
.gap-copy { max-width: 365px; margin-top: 24px; font-size: 1.0625rem; line-height: 1.65; color: var(--muted); }
.adoption-evidence { margin: 0; min-width: 0; }
.adoption-evidence figcaption { font: 0.875rem/1.6 var(--mono); }
.stat-row { margin-top: 22px; }
.stat-row > div:first-child { display: flex; align-items: baseline; gap: 20px; }
.stat-row strong { min-width: 110px; font: 500 3rem/1.1 var(--heading); letter-spacing: -0.05em; }
.stat-row strong > span { font-size: 1.5rem; }
.stat-row p { font-size: 0.9375rem; line-height: 1.5; }
.stat-track { height: 5px; margin-top: 12px; background: var(--line); }
.stat-track > span { display: block; height: 100%; background: var(--ink); }
.stat-track .stat-large { width: 55%; }
.stat-track .stat-sme { width: 19%; background: var(--teal); }
.data-scope { margin-top: 20px; font-size: 0.75rem; line-height: 1.6; color: var(--muted); }
.principles { background: var(--ink); color: var(--card); padding: 48px; }
.principles .section-label { color: var(--teal-on-ink); }
.principles-intro { display: flex; justify-content: space-between; gap: 40px; align-items: start; }
.principles-intro .section-label { padding-top: 5px; }
.principles-intro h2 { font-size: 2rem; }
.principles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 42px; }
.principles-grid article { border-top: 1px solid var(--line-on-ink); padding-top: 22px; }
.principle-number { color: var(--teal-on-ink); font: 0.8125rem/1.5 var(--mono); }
h3 { font-size: 1.375rem; line-height: 1.3; letter-spacing: -0.035em; margin-top: 22px; }
.principles-grid p { max-width: 410px; margin-top: 14px; font-size: 1rem; line-height: 1.7; color: var(--on-ink); }
.closing { padding: 110px 0 100px; text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.brand-animation { position: relative; display: grid; place-items: center; min-height: clamp(100px, 15vw, 180px); }
.brand-phrase { display: none; align-items: baseline; font: 500 clamp(1.35rem, 4.6vw, 4rem)/1.2 var(--heading); letter-spacing: -0.05em; white-space: pre; }
.brand-drop { display: inline-block; overflow: hidden; }
.brand-reveal { position: absolute; width: clamp(180px, 32vw, 380px); }
.animation-ready .brand-phrase { display: inline-flex; }
.animation-ready .brand-reveal { opacity: 0; }
.is-playing .brand-drop { animation: extract-letters 10s cubic-bezier(0.65, 0, 0.35, 1) infinite both; }
.is-playing .brand-phrase { animation: resolve-name 10s ease infinite both; }
.is-playing .brand-reveal { animation: reveal-logo 10s ease infinite both; }
@keyframes extract-letters {
  0%, 18% { opacity: 1; width: var(--part-width); }
  28% { opacity: 0; width: var(--part-width); }
  44%, 88% { opacity: 0; width: 0; }
  94%, 100% { opacity: 1; width: var(--part-width); }
}
@keyframes resolve-name {
  0%, 52%, 100% { opacity: 1; transform: scale(1); }
  62%, 88% { opacity: 0; transform: scale(1.04); }
  94% { opacity: 0; transform: scale(1); }
}
@keyframes reveal-logo {
  0%, 54% { opacity: 0; transform: scale(0.94); }
  66%, 84% { opacity: 1; transform: scale(1); }
  94%, 100% { opacity: 0; transform: scale(1); }
}
.closing .closing-status { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 38px; font: 0.8125rem/1.7 var(--mono); }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0 32px; border-top: 1px solid var(--line); }
.footer-logo { width: 96px; }
.site-footer p { font: 0.8125rem/1.6 var(--mono); color: var(--muted); }
.site-footer small { font: 0.75rem/1.6 var(--mono); color: var(--muted); }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 12px 18px; background: var(--ink); color: white; z-index: 1; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); outline: 3px solid var(--teal); outline-offset: 3px; }

@media (prefers-reduced-motion: no-preference) {
  .hero > .section-label, h1, .hero-bottom, .adoption-map { animation: arrive 650ms both; }
  h1 { animation-delay: 80ms; }
  .hero-bottom { animation-delay: 160ms; }
  .adoption-map { animation-delay: 240ms; }
  @keyframes arrive { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
}

@media (max-width: 900px) {
  .page-shell { width: calc(100% - 64px); }
  .site-header { min-height: 100px; }
  .hero { padding-top: 60px; }
  .margin-note { display: none; }
  .perspective { gap: 36px; padding-block: 80px; }
  .adoption-map { gap: 16px; padding: 30px 24px; }
  .map-end { font-size: 0.875rem; }
  .map-middle { gap: 12px; }
  .principles { padding: 32px; }
  .principles-grid { gap: 24px; }
  .principles-intro { display: block; }
  .principles-intro h2 { margin-top: 20px; }
}

@media (max-width: 600px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { min-height: 88px; gap: 12px; }
  .logo { width: 115px; }
  .status { font-size: 0.75rem; gap: 8px; }
  .hero { padding-top: 50px; }
  h1 { font-size: clamp(2.9rem, 10.5vw, 3.9rem); line-height: 1.1; letter-spacing: -0.06em; max-width: 520px; }
  .hero-bottom { margin-top: 28px; }
  .hero-copy { font-size: 1.0625rem; line-height: 1.7; }
  .adoption-map { grid-template-columns: 1fr; gap: 12px; margin-top: 36px; padding: 28px 20px; }
  .map-end, .map-destination { justify-content: center; font-size: 0.875rem; }
  .map-middle { flex-direction: column; width: 100%; gap: 12px; }
  .connector { flex: none; width: 1px; height: 20px; }
  .connector::after { top: auto; bottom: 0; right: -2px; }
  .map-name { font-size: 2.25rem; }
  .map-purpose { margin-top: 6px; }
  .perspective { grid-template-columns: 1fr; gap: 26px; padding-block: 65px; }
  .gap-copy { font-size: 1rem; margin-top: 20px; }
  .adoption-evidence { margin-top: 10px; }
  .stat-row > div:first-child { gap: 14px; }
  .stat-row strong { min-width: 90px; font-size: 2.75rem; }
  h2 { font-size: 2rem; }
  .principles { padding: 28px 24px; }
  .principles-intro h2 { font-size: 1.75rem; }
  .principles-grid { grid-template-columns: 1fr; gap: 30px; margin-top: 32px; }
  .principles-grid article { padding-top: 18px; }
  h3 { max-width: none; margin-top: 16px; }
  .principles-grid p { margin-top: 10px; }
  .closing { padding-block: 70px; }
  .site-footer { flex-wrap: wrap; gap: 20px; padding-block: 24px; }
  .site-footer p { width: 100%; order: 1; font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .brand-animation .brand-phrase { display: none; animation: none; }
  .brand-animation .brand-reveal { animation: none; opacity: 1; transform: none; }
}