:root {
  --ink: #10211b;
  --ink-soft: #1a3128;
  --paper: #f4f1e8;
  --paper-bright: #fbfaf5;
  --mint: #b9ddca;
  --aqua: #73c7aa;
  --copper: #c9764d;
  --line: rgba(16, 33, 27, .18);
  --light-line: rgba(255, 255, 255, .18);
  --max: 1480px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; padding: .75rem 1rem; color: white; background: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 5.4rem; padding: .85rem clamp(1.25rem, 4vw, 4.5rem); background: rgba(244, 241, 232, .9); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-mark { display: block; width: 3rem; height: 3rem; flex: 0 0 auto; object-fit: contain; }
.brand > span:last-child { display: grid; }
.brand-wordmark { display: block; width: 7.2rem; height: auto; }
.brand small { margin-top: .2rem; color: rgba(16, 33, 27, .62); font-size: .61rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: clamp(1rem, 2.3vw, 2.4rem); }
nav a { font-size: .88rem; font-weight: 650; text-decoration: none; }
nav a:hover { color: var(--copper); }
.nav-cta { padding: .7rem 1rem; color: var(--paper) !important; background: var(--ink); border-radius: 99px; }
.nav-cta:hover { background: var(--copper); }
.menu-button { display: none; padding: .6rem .85rem; border: 1px solid var(--line); border-radius: 99px; background: transparent; font: inherit; }

main, footer { max-width: var(--max); margin-inline: auto; }
.eyebrow { margin: 0 0 1.2rem; color: var(--copper); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow.light { color: var(--mint); }
h1, h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.045em; line-height: .98; }
h1 { max-width: 11.5ch; font-size: clamp(3.45rem, 6.7vw, 7.6rem); }
h1 em { display: block; color: var(--copper); font-weight: 400; }
h2 { max-width: 14ch; font-size: clamp(2.55rem, 4.8vw, 5.4rem); }
h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; }
p { line-height: 1.65; }

.hero-copy { min-width: 0; }
.hero { min-height: calc(100vh - 5.4rem); display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: clamp(3rem, 7vw, 8rem); padding: clamp(4.5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 7rem); overflow: hidden; }
.hero .lead { max-width: 43rem; margin: 2rem 0; color: rgba(16, 33, 27, .78); font-size: clamp(1.1rem, 1.6vw, 1.4rem); }
.hero-actions { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.button { display: inline-block; padding: 1rem 1.35rem; border-radius: 99px; font-size: .93rem; font-weight: 750; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: var(--copper); }
.text-link { font-size: .93rem; font-weight: 750; text-underline-offset: .3rem; }

.system-map { position: relative; min-height: 36rem; isolation: isolate; }
.system-map::before, .system-map::after { content: ""; position: absolute; inset: 12%; border: 1px solid var(--line); border-radius: 50%; }
.system-map::after { inset: 25%; border-style: dashed; }
.map-core { position: absolute; inset: 32%; display: grid; place-content: center; color: var(--paper); background: var(--ink); border-radius: 44% 56% 52% 48%; box-shadow: 0 2rem 5rem rgba(16, 33, 27, .2); transform: rotate(-5deg); text-align: center; }
.map-core > * { transform: rotate(5deg); }
.map-logo-panel { display: grid; width: clamp(4.5rem, 7vw, 6.5rem); aspect-ratio: 1; place-items: center; margin: 0 auto .45rem; overflow: hidden; background: var(--paper-bright); border-radius: 50%; box-shadow: 0 .6rem 1.6rem rgba(0, 0, 0, .18); }
.map-logo { display: block; width: 82%; height: 82%; object-fit: contain; }
.map-core strong { font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; }
.map-module { position: absolute; display: grid; min-width: 5.5rem; min-height: 5.5rem; place-items: center; padding: .6rem; border: 1px solid rgba(16, 33, 27, .12); border-radius: 50%; background: var(--paper-bright); box-shadow: 0 .8rem 2rem rgba(16, 33, 27, .08); font-size: .76rem; font-weight: 800; }
.module-roles { top: 4%; left: 38%; }
.module-workflows { top: 27%; right: 0; width: 7.5rem; height: 7.5rem; background: var(--mint); }
.module-api { right: 13%; bottom: 5%; }
.module-ai { bottom: 1%; left: 22%; width: 6.8rem; height: 6.8rem; color: white; background: var(--copper); }
.module-data { top: 36%; left: 0; }

.signal-bar { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 clamp(1.25rem, 7vw, 7rem); border-block: 1px solid var(--line); }
.signal-bar span { padding: 1.35rem; border-right: 1px solid var(--line); color: rgba(16, 33, 27, .72); font-size: .75rem; font-weight: 800; letter-spacing: .14em; text-align: center; text-transform: uppercase; }
.signal-bar span:last-child { border-right: 0; }

.split-section, .comparison-section, 
.references-section { padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 7vw, 7rem); background: var(--paper-bright); border-bottom: 1px solid var(--line); }
.references-intro { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: clamp(3rem, 8vw, 9rem); margin-bottom: clamp(3.5rem, 7vw, 6rem); }
.references-intro > p { max-width: 37rem; margin: 0; color: rgba(16, 33, 27, .7); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.reference-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.reference-tile { display: grid; min-height: 12rem; place-items: center; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(244, 241, 232, .35); transition: background .25s ease; }
.reference-tile:hover { background: var(--paper); }
.reference-logo { display: flex; align-items: center; justify-content: center; color: var(--ink); line-height: 1; white-space: nowrap; }
.logo-samsung { font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.4rem, 2.6vw, 2.3rem); font-weight: 800; letter-spacing: -.04em; transform: scaleX(1.08); }
.logo-xiaomi { font-size: clamp(1.55rem, 2.8vw, 2.5rem); font-weight: 650; letter-spacing: -.075em; }
.logo-huawei { font-size: clamp(1.35rem, 2.4vw, 2.15rem); font-weight: 800; letter-spacing: .05em; }
.logo-microsoft { gap: .75rem; font-size: clamp(1.25rem, 2.3vw, 2rem); font-weight: 500; letter-spacing: -.045em; }
.logo-microsoft i { display: grid; grid-template-columns: repeat(2, .65rem); gap: .13rem; }
.logo-microsoft b { width: .65rem; height: .65rem; background: var(--copper); }
.logo-microsoft b:nth-child(2), .logo-microsoft b:nth-child(3) { background: var(--aqua); }
.logo-microsoft b:nth-child(4) { background: var(--mint); }
.logo-sony { display: grid; gap: .18rem; font: 500 clamp(1.55rem, 2.9vw, 2.6rem)/.8 Georgia, serif; letter-spacing: .05em; text-align: center; }
.logo-sony small { font: 750 .47em/1 Inter, sans-serif; letter-spacing: .32em; }
.logo-otto { display: grid; width: clamp(5rem, 8vw, 6.8rem); aspect-ratio: 1; place-items: center; color: var(--paper-bright); background: var(--copper); border-radius: 50%; font-size: clamp(1.05rem, 1.8vw, 1.45rem); font-weight: 850; letter-spacing: .08em; }
.reference-note { max-width: 58rem; margin: 1.3rem 0 0 auto; color: rgba(16, 33, 27, .52); font-size: .76rem; text-align: right; }

.process-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 9rem); padding: clamp(6rem, 11vw, 11rem) clamp(1.25rem, 7vw, 7rem); }
.section-copy { max-width: 40rem; font-size: clamp(1.08rem, 1.5vw, 1.3rem); }
.section-copy p:first-child { margin-top: 0; }
.accent-copy { margin-top: 2.2rem; padding-left: 1.3rem; border-left: 3px solid var(--copper); font-family: Georgia, serif; font-size: 1.35em; line-height: 1.35; }

.framework-section { padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 7vw, 7rem); color: var(--paper); background: var(--ink); }
.framework-intro { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(3rem, 8vw, 9rem); }
.framework-intro .eyebrow { grid-column: 1 / -1; }
.framework-intro p:last-child { max-width: 38rem; margin: 0; color: rgba(244, 241, 232, .72); font-size: 1.15rem; }
.feature-shell { margin-top: clamp(4rem, 8vw, 7rem); border: 1px solid var(--light-line); }
.feature-title { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.3rem 1.5rem; border-bottom: 1px solid var(--light-line); }
.feature-title span { color: var(--mint); font-size: .74rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.feature-title strong { font-family: Georgia, serif; font-size: 1.3rem; font-weight: 500; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.feature-grid li { position: relative; min-height: 6rem; display: flex; align-items: flex-end; padding: 1.2rem 1.2rem 1.2rem 2.4rem; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); font-size: .9rem; }
.feature-grid li::before { content: "+"; position: absolute; top: 1rem; left: 1.1rem; color: var(--aqua); font-weight: 800; }
.feature-grid li:nth-child(4n) { border-right: 0; }
.feature-grid li:nth-last-child(-n+4) { border-bottom: 0; }

.comparison-section { align-items: start; }
.comparison { border-top: 1px solid var(--line); }
.comparison > div { display: grid; grid-template-columns: 1fr 1fr; }
.comparison > div > * { padding: 1.25rem; border-bottom: 1px solid var(--line); }
.comparison > div > *:first-child { border-right: 1px solid var(--line); color: rgba(16, 33, 27, .58); }
.comparison strong { background: rgba(185, 221, 202, .24); font-weight: 650; }
.comparison-head span { color: var(--ink) !important; background: transparent !important; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.use-cases { padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 7vw, 7rem); color: var(--paper); background: var(--ink-soft); }
.use-cases-heading { display: flex; align-items: end; justify-content: space-between; gap: 3rem; margin-bottom: 4rem; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.case-grid article { min-height: 20rem; padding: 1.5rem; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); }
.case-grid span, .process-list > li > span, .tech-list span { color: var(--aqua); font-family: Georgia, serif; }
.case-grid h3 { margin: 6rem 0 1rem; font-size: 1.8rem; }
.case-grid p { margin: 0; color: rgba(244, 241, 232, .67); }

.process-section { border-bottom: 1px solid var(--line); }
.process-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.process-list li { display: grid; grid-template-columns: 3rem 1fr; gap: 1.2rem; padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.process-list h3 { font-size: 1.45rem; }
.process-list p { margin: .35rem 0 0; color: rgba(16, 33, 27, .68); }

.technology-section { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(3rem, 8vw, 9rem); padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 7vw, 7rem); color: var(--paper); background: var(--copper); }
.tech-copy p:last-child { max-width: 40rem; color: rgba(244, 241, 232, .8); font-size: 1.1rem; }
.tech-list { margin: 0; padding: 0; border-top: 1px solid var(--light-line); list-style: none; }
.tech-list li { display: grid; grid-template-columns: 3rem 1fr; padding: 1rem 0; border-bottom: 1px solid var(--light-line); font-weight: 650; }
.tech-list span { color: var(--paper); }

.contact-section { padding: clamp(6rem, 11vw, 11rem) clamp(1.25rem, 7vw, 7rem); background: var(--mint); }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: clamp(3rem, 8vw, 9rem); }
.contact-grid > div p { max-width: 34rem; margin-top: 0; font-size: 1.15rem; }
.button-light { margin-top: 1rem; background: var(--paper-bright); }
.button-light:hover { color: white; background: var(--ink); }

footer { display: grid; grid-template-columns: 1fr auto; gap: 3rem; padding: 3rem clamp(1.25rem, 7vw, 7rem); color: var(--paper); background: var(--ink); }
.footer-brand { display: grid; width: fit-content; text-decoration: none; }
.footer-wordmark { display: block; width: 9rem; height: auto; padding: .32rem .5rem; background: var(--paper); border-radius: .3rem; }
.footer-brand span { margin-top: .4rem; color: rgba(244, 241, 232, .58); font-size: .72rem; }
.footer-links { display: flex; align-items: start; gap: 1.5rem; }
.footer-links a { color: rgba(244, 241, 232, .78); font-size: .82rem; text-decoration: none; }
.footer-links a:hover { color: var(--mint); }
footer > p { grid-column: 1 / -1; margin: 2rem 0 0; padding-top: 1.3rem; border-top: 1px solid var(--light-line); color: rgba(244, 241, 232, .5); font-size: .75rem; }

.legal { min-height: 75vh; max-width: 920px; margin: auto; padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 7rem); }
.legal h1 { margin-bottom: 4rem; }
.legal h2 { margin: 2.5rem 0 .7rem; font: 750 1.15rem Inter, sans-serif; letter-spacing: 0; }
.legal p { line-height: 1.75; }
.legal a { text-underline-offset: .2rem; }
.legal-footer { grid-template-columns: 1fr; }

.reveal { opacity: 0; transform: translateY(1.4rem); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .menu-button { display: block; }
  nav { position: fixed; inset: 5.35rem 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 1.2rem; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 1.2rem 2.5rem rgba(16, 33, 27, .12); }
  nav.open { display: flex; }
  nav a { padding: 1rem; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: .8rem; border-bottom: 0; text-align: center; }
  .hero, .split-section, .comparison-section, .process-section, .technology-section, .contact-grid, .framework-intro, .references-intro { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .system-map { min-height: 30rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid li:nth-child(2n) { border-right: 0; }
  .feature-grid li:nth-last-child(-n+4) { border-bottom: 1px solid var(--light-line); }
  .feature-grid li:nth-last-child(-n+2) { border-bottom: 0; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .reference-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .brand small { display: none; }
  h1 { max-width: 100%; font-size: clamp(2.75rem, 12.5vw, 4.2rem); hyphens: manual; overflow-wrap: anywhere; }
  h1 em { font-size: .95em; }
  .hero { padding-top: 4rem; }
  .system-map { min-height: 24rem; margin-inline: -1rem; }
  .map-module { min-width: 4.4rem; min-height: 4.4rem; font-size: .66rem; }
  .module-workflows { width: 6rem; height: 6rem; }
  .module-ai { width: 5.5rem; height: 5.5rem; }
  .signal-bar { grid-template-columns: repeat(2, 1fr); }
  .signal-bar span:nth-child(2) { border-right: 0; }
  .signal-bar span:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-grid, .case-grid { grid-template-columns: 1fr; }
  .reference-grid { grid-template-columns: 1fr; }
  .reference-tile { min-height: 9rem; }
  .reference-note { text-align: left; }
  .feature-grid li, .feature-grid li:nth-child(2n) { border-right: 0; border-bottom: 1px solid var(--light-line); }
  .feature-grid li:last-child { border-bottom: 0; }
  .case-grid article { min-height: auto; }
  .case-grid h3 { margin-top: 3.5rem; }
  .comparison > div > * { padding: 1rem .7rem; font-size: .82rem; }
  .feature-title, .use-cases-heading { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { flex-direction: column; gap: .9rem; }
  footer > p { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}