:root {
  --ink: #111412;
  --paper: #f2f1ed;
  --white: #ffffff;
  --ash: #c9cbc5;
  --muted: #646962;
  --blue: #1675d1;
  --yellow: #e9ff4f;
  --red: #ec6048;
  --max: 1460px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; line-height: 1.5; letter-spacing: 0; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px; background: var(--yellow); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }

.hero { position: relative; min-height: calc(100svh - 36px); color: var(--white); background: var(--ink) url("smart-cleaner-desk.webp") center 48% / cover no-repeat; overflow: hidden; }
.hero-scrim { position: absolute; inset: 0; background: rgba(5, 7, 6, .58); }
.site-header { position: relative; z-index: 3; width: min(calc(100% - 56px), var(--max)); height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.42); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; text-decoration: none; }
.brand-glyph { display: grid; place-items: center; width: 34px; height: 34px; color: var(--ink); background: var(--yellow); font: 800 .72rem/1 Arial, sans-serif; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { font-size: .84rem; font-weight: 700; text-decoration: none; }
.header-contact { padding: 8px 12px; border: 1px solid rgba(255,255,255,.65); }
.site-header nav a:hover { color: var(--yellow); }

.hero-content { position: relative; z-index: 2; width: min(calc(100% - 56px), var(--max)); min-height: calc(100svh - 112px); margin: 0 auto; display: flex; flex-direction: column; justify-content: space-between; padding: 38px 0 48px; }
.overline { display: flex; justify-content: space-between; margin: 0; text-transform: uppercase; font: 700 .72rem/1.2 "Arial Narrow", Arial, sans-serif; }
h1 { margin: auto 0; max-width: 1100px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(4rem, 8.7vw, 9.3rem); font-weight: 400; line-height: .83; }
.hero-bottom { display: grid; grid-template-columns: .8fr 1fr auto; gap: clamp(24px, 5vw, 90px); align-items: end; }
.subtitle { margin: 0; color: var(--yellow); font-size: clamp(1.1rem, 2vw, 1.65rem); font-weight: 700; }
.hero-intro { max-width: 540px; margin: 0; color: #e1e4df; }
.scan-link { display: inline-flex; gap: 38px; justify-content: space-between; min-width: 205px; padding: 13px 0; border-top: 1px solid var(--white); border-bottom: 1px solid var(--white); font-weight: 700; text-decoration: none; }
.scan-link:hover { color: var(--yellow); border-color: var(--yellow); }
.capture-mark { position: absolute; z-index: 1; top: 116px; right: 28px; width: 250px; height: 160px; border: 1px solid rgba(233,255,79,.85); }
.capture-mark span { position: absolute; width: 20px; height: 20px; border-color: var(--yellow); }
.capture-mark span:nth-child(1) { top: -2px; left: -2px; border-top: 3px solid; border-left: 3px solid; }
.capture-mark span:nth-child(2) { top: -2px; right: -2px; border-top: 3px solid; border-right: 3px solid; }
.capture-mark span:nth-child(3) { bottom: -2px; left: -2px; border-bottom: 3px solid; border-left: 3px solid; }
.capture-mark span:nth-child(4) { right: -2px; bottom: -2px; border-right: 3px solid; border-bottom: 3px solid; }
.capture-mark b { position: absolute; right: 0; bottom: -27px; padding: 4px 7px; color: var(--ink); background: var(--yellow); font: 800 .67rem Arial, sans-serif; }

.index-strip { min-height: 36px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; background: var(--yellow); border-bottom: 1px solid var(--ink); }
.index-strip span { padding: 5px 22px; border-right: 1px solid var(--ink); font: 800 .7rem "Arial Narrow", Arial, sans-serif; text-transform: uppercase; text-align: center; }
.index-strip span:last-child { border: 0; }

.workflows { width: min(calc(100% - 56px), var(--max)); margin: 0 auto; padding: 116px 0; }
.section-intro { display: grid; grid-template-columns: .35fr 1fr .6fr; gap: clamp(30px, 5vw, 80px); align-items: start; margin-bottom: 72px; }
.section-code { margin: 0; color: var(--blue); font: 800 .72rem "Arial Narrow", Arial, sans-serif; text-transform: uppercase; }
h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.8rem, 5vw, 5.6rem); font-weight: 400; line-height: .95; }
.section-intro > p:last-child { margin: 0; color: var(--muted); }
.workflow-ledger { border-top: 2px solid var(--ink); }
.workflow-ledger article { display: grid; grid-template-columns: 120px 1fr 100px; gap: 28px; align-items: center; min-height: 150px; border-bottom: 1px solid #aeb1aa; }
.ledger-code { color: var(--muted); font: 700 .72rem monospace; }
.workflow-ledger h3 { margin: 0 0 5px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.55rem, 2.6vw, 2.8rem); font-weight: 400; }
.workflow-ledger p { max-width: 700px; margin: 0; color: var(--muted); }
.ledger-state { justify-self: end; padding: 7px 10px; color: var(--white); background: var(--blue); font: 800 .68rem Arial, sans-serif; text-transform: uppercase; }
.workflow-ledger article:nth-child(2) .ledger-state { color: var(--ink); background: var(--yellow); }
.workflow-ledger article:nth-child(3) .ledger-state { background: var(--red); }

.recognition { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 140px); padding: 110px max(28px, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--blue); }
.recognition .section-code { color: var(--yellow); margin-bottom: 28px; }
.field-sample { border-top: 1px solid rgba(255,255,255,.8); }
.field-sample > div { display: grid; grid-template-columns: 130px 1fr 90px; gap: 22px; align-items: center; min-height: 86px; border-bottom: 1px solid rgba(255,255,255,.45); }
.field-sample span, .field-sample i { font-size: .72rem; text-transform: uppercase; font-style: normal; }
.field-sample strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.45rem; font-weight: 400; }
.field-sample i { justify-self: end; color: var(--yellow); }

.privacy-section { width: min(calc(100% - 56px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(50px, 8vw, 140px); padding: 120px 0; }
.privacy-number { align-self: start; font: 800 clamp(4rem, 10vw, 9rem)/.78 "Arial Narrow", Arial, sans-serif; color: var(--ash); }
.privacy-copy .section-code { margin-bottom: 28px; }
.privacy-copy > p:not(.section-code) { max-width: 760px; margin: 32px 0; color: var(--muted); font-size: 1.05rem; }
.privacy-copy a { display: inline-flex; gap: 35px; padding-bottom: 5px; border-bottom: 2px solid var(--ink); font-weight: 700; text-decoration: none; }
.privacy-copy a:hover { color: var(--blue); border-color: var(--blue); }
.export-band { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 42px max(28px, calc((100vw - var(--max)) / 2)); color: var(--ink); background: var(--yellow); }
.export-band p { margin: 0; font-family: Georgia, serif; font-size: clamp(1.6rem, 3vw, 3rem); }
.export-band div { display: flex; gap: 12px; }
.export-band span { padding: 8px 11px; border: 1px solid var(--ink); font-size: .72rem; font-weight: 800; }

footer { padding: 70px max(28px, calc((100vw - var(--max)) / 2)) 28px; color: var(--white); background: var(--ink); display: grid; grid-template-columns: 1fr auto; gap: 64px; }
footer .brand-glyph { color: var(--ink); }
footer p { color: #aeb5ae; }
footer nav { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
footer nav a { color: #dce2db; text-underline-offset: 4px; }
footer small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid #3f4540; color: #8e958f; }

.legal-shell { background: var(--white); }
.legal-shell .site-header { color: var(--ink); border-bottom-color: var(--ink); }
.legal-shell .site-header nav a:hover { color: var(--blue); }
.legal-shell .header-contact { border-color: var(--ink); }
.legal-main { width: min(calc(100% - 56px), 1120px); margin: 0 auto; padding: 72px 0 120px; }
.legal-heading { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; padding-bottom: 42px; border-bottom: 2px solid var(--ink); }
.legal-heading h1 { margin: 0; color: var(--ink); font-size: clamp(4rem, 8vw, 8rem); line-height: .82; }
.legal-heading p { margin: 0; color: var(--blue); font: 800 .72rem Arial, sans-serif; text-transform: uppercase; }
.legal-content { display: grid; grid-template-columns: 240px 1fr; gap: clamp(50px, 9vw, 120px); padding-top: 52px; }
.legal-index { position: sticky; top: 26px; align-self: start; }
.legal-index strong { display: block; margin-bottom: 18px; font-family: Georgia, serif; font-size: 1.4rem; }
.legal-index a { display: block; margin-top: 10px; color: var(--muted); font-size: .85rem; }
.legal-document { max-width: 760px; }
.legal-document > p:first-child { margin: 0 0 30px; color: var(--muted); font-size: 1.18rem; }
.legal-document section { padding: 26px 0; border-top: 1px solid var(--ash); }
.legal-document h2 { margin: 0 0 13px; font-family: Arial, sans-serif; font-size: 1.25rem; font-weight: 800; }
.legal-document p { margin: 0 0 12px; }
.legal-document ul { margin: 12px 0 0; padding-left: 21px; }
.legal-document li + li { margin-top: 8px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 900px) {
  .section-intro { grid-template-columns: 1fr; }
  .recognition, .privacy-section { grid-template-columns: 1fr; }
  .privacy-number { font-size: 5rem; }
}
@media (max-width: 650px) {
  .site-header, .hero-content, .workflows, .privacy-section, .legal-main { width: min(calc(100% - 32px), var(--max)); }
  .site-header { height: 64px; }
  .site-header nav { gap: 12px; }
  .site-header nav a:not(.header-contact) { display: none; }
  .hero { min-height: calc(100svh - 32px); background-position: 58% center; }
  .hero-content { min-height: calc(100svh - 96px); padding: 24px 0 26px; }
  .overline span:last-child, .hero-intro { display: none; }
  h1 { font-size: clamp(3.45rem, 17vw, 5rem); }
  .hero-bottom { grid-template-columns: 1fr; gap: 15px; }
  .subtitle { max-width: 260px; }
  .scan-link { min-width: 190px; width: 75%; }
  .capture-mark { top: 88px; right: 16px; width: 110px; height: 74px; }
  .index-strip span { padding-inline: 4px; font-size: .58rem; }
  .workflows { padding: 80px 0; }
  .section-intro { margin-bottom: 45px; }
  .workflow-ledger article { grid-template-columns: 42px 1fr; gap: 12px; padding: 20px 0; }
  .ledger-state { display: none; }
  .workflow-ledger h3 { font-size: 1.55rem; overflow-wrap: anywhere; }
  .workflow-ledger p { font-size: .9rem; }
  .recognition { padding-top: 76px; padding-bottom: 76px; }
  .field-sample > div { grid-template-columns: 95px 1fr; }
  .field-sample i { display: none; }
  .privacy-section { padding: 80px 0; }
  .privacy-number { font-size: 4rem; }
  .export-band { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 30px; }
  footer nav { align-items: flex-start; }
  .legal-main { padding-top: 50px; }
  .legal-heading { grid-template-columns: 1fr; }
  .legal-heading h1 { font-size: 4rem; }
  .legal-content { grid-template-columns: 1fr; gap: 28px; }
  .legal-index { position: static; padding-bottom: 22px; border-bottom: 1px solid var(--ash); }
}