:root {
  color-scheme: light;
  --ink: #15233a;
  --muted: #56657a;
  --line: #dce4ee;
  --blue: #2458dd;
  --blue-dark: #173fae;
  --blue-pale: #edf3ff;
  --green: #18864b;
  --green-pale: #e9f6ee;
  --paper: #ffffff;
  --surface: #f5f7fa;
  --content: 1160px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.6; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: absolute; top: -48px; left: 16px; z-index: 20; padding: 8px 12px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }

.site-header { height: 72px; padding: 0 max(28px, calc((100vw - var(--content)) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); position: sticky; top: 0; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-size: 20px; font-weight: 750; letter-spacing: 0; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--blue); color: white; font-size: 18px; font-weight: 800; }
.brand-ai { color: var(--blue); }
.site-nav { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: 14px; font-weight: 560; }
.site-nav > a:not(.nav-cta) { text-decoration: none; transition: color .16s ease; }
.site-nav > a:not(.nav-cta):hover, .text-link:hover { color: var(--blue-dark); }
.nav-cta { text-decoration: none; color: white; background: var(--blue); border-radius: 6px; padding: 9px 14px; box-shadow: 0 3px 8px rgba(36,88,221,.15); }
.nav-cta:hover, .button-primary:hover { background: var(--blue-dark); }
.menu-toggle { display: none; }

.hero { min-height: 590px; max-width: var(--content); padding: 62px 28px 54px; margin: 0 auto; display: grid; grid-template-columns: 1fr .85fr; column-gap: 32px; align-items: center; position: relative; }
.hero-copy { max-width: 610px; padding-bottom: 24px; position: relative; z-index: 1; }
.eyebrow { margin: 0 0 13px; color: var(--blue-dark); text-transform: uppercase; font-size: 11px; font-weight: 750; letter-spacing: 1.25px; }
.eyebrow-dot, .status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 7px; border-radius: 50%; background: #21a35b; vertical-align: 1px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 640px; margin-bottom: 19px; font-size: 52px; line-height: 1.08; font-weight: 710; letter-spacing: 0; }
.hero-lede { max-width: 560px; margin-bottom: 25px; color: var(--muted); font-size: 18px; line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 15px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; font-size: 15px; font-weight: 680; transition: background .16s ease, transform .16s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--blue); color: white; box-shadow: 0 8px 18px rgba(36,88,221,.16); }
.text-link { color: var(--blue-dark); font-size: 14px; font-weight: 650; text-decoration: none; }
.text-link span { margin-left: 4px; }
.hero-note { margin: 21px 0 0; color: #66758a; font-size: 13px; }
.hero-note span { color: var(--green); font-weight: 800; margin-right: 5px; }

.hero-art { min-height: 390px; position: relative; display: grid; place-items: center; isolation: isolate; }
.hero-art::before { content: ""; position: absolute; inset: 13% 4% 8%; z-index: -1; background-color: #f3f7fd; background-image: linear-gradient(rgba(36,88,221,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(36,88,221,.055) 1px, transparent 1px); background-size: 32px 32px; border: 1px solid #e2eaf5; border-radius: 12px; transform: rotate(2deg); }
.r-stage { width: min(100%, 440px); height: 390px; position: relative; touch-action: none; cursor: grab; }
.r-stage:active { cursor: grabbing; }
#r-canvas { display: block; width: 100%; height: 100%; outline: none; }
.r-fallback { position: absolute; inset: 0; display: grid; place-items: center; color: var(--blue); font-size: 250px; line-height: 1; font-weight: 760; text-shadow: 7px 10px 0 #153fae; pointer-events: none; }
.webgl-ready .r-fallback { display: none; }
.art-label { position: absolute; z-index: 1; display: inline-flex; align-items: center; padding: 8px 11px; border: 1px solid #dce4ee; border-radius: 5px; background: white; color: var(--muted); font-size: 12px; font-weight: 620; box-shadow: 0 5px 16px rgba(21,35,58,.07); }
.art-label-top { top: 8%; left: 0; }
.art-label-bottom { bottom: 8%; right: 1%; }
.art-label-bottom span { color: var(--blue); margin-right: 4px; font-weight: 800; }
.art-label-bottom span + span { margin-left: 8px; }
.drag-hint { position: absolute; right: 3%; bottom: -8px; color: #7b899b; font-size: 11px; }
.hero-bottom-rule { position: absolute; height: 3px; left: 28px; bottom: 0; display: flex; width: 108px; }
.hero-bottom-rule span:nth-child(1) { flex: 1.4; background: var(--blue); }
.hero-bottom-rule span:nth-child(2) { flex: 1; background: #26a36a; }
.hero-bottom-rule span:nth-child(3) { flex: .6; background: #ef806d; }

.section { max-width: var(--content); margin: 0 auto; padding: 76px 28px; }
.process-section { border-top: 1px solid var(--line); }
.section-heading { max-width: 620px; margin-bottom: 36px; }
.section-heading h2, .trust-copy h2, .assurance-block h2, .limitation-section h2, .final-cta h2 { margin-bottom: 13px; font-size: 34px; line-height: 1.18; letter-spacing: 0; font-weight: 690; }
.section-heading > p:last-child, .trust-copy > p:not(.eyebrow), .assurance-block > p:not(.eyebrow), .limitation-section > div > p:last-child, .final-cta > div > p:last-child { color: var(--muted); }
.process-list { border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 74px 1fr; gap: 12px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.step-number { color: var(--blue); font-size: 13px; font-weight: 760; padding-top: 3px; }
.process-step h3, .case-item h3 { margin-bottom: 5px; font-size: 18px; font-weight: 680; }
.process-step p, .case-item p { max-width: 690px; margin-bottom: 0; color: var(--muted); font-size: 14px; }

.use-cases { max-width: none; background: var(--surface); }
.use-cases > * { max-width: calc(var(--content) - 56px); margin-left: auto; margin-right: auto; }
.section-heading-wide { max-width: var(--content); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 36px; row-gap: 0; border-top: 1px solid var(--line); }
.case-item { min-height: 176px; padding: 21px 0 23px; border-bottom: 1px solid var(--line); }
.case-index { display: block; margin-bottom: 16px; color: var(--blue); font-size: 12px; font-weight: 800; }

.trust-section { display: grid; grid-template-columns: 1fr .82fr; gap: 70px; align-items: center; }
.trust-copy { max-width: 500px; }
.trust-copy .text-link { display: inline-block; margin-top: 8px; }
.traffic-panel { padding: 20px 22px 12px; border: 1px solid var(--line); border-radius: 8px; background: white; box-shadow: 0 14px 32px rgba(21,35,58,.055); }
.traffic-heading { display: flex; justify-content: space-between; align-items: center; padding-bottom: 13px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.traffic-caption { color: #79879a; font-size: 11px; font-weight: 500; }
.traffic-row { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: center; min-height: 47px; border-bottom: 1px solid #edf0f4; color: var(--muted); font-size: 13px; }
.traffic-row strong { color: var(--ink); font-size: 12px; }
.traffic-light { width: 10px; height: 10px; border-radius: 50%; }
.traffic-light.green { background: #20a05a; }
.traffic-light.yellow { background: #e6aa24; }
.traffic-light.red { background: #d94e4e; }
.decision-level { display: flex; justify-content: space-between; padding: 13px 0 3px; font-size: 12px; color: var(--muted); }
.decision-level strong { color: var(--blue-dark); }

.assurance-section { display: grid; grid-template-columns: 1fr .65fr; gap: 65px; padding-top: 30px; }
.assurance-block { padding-top: 24px; border-top: 2px solid var(--ink); }
.privacy-block { border-color: var(--green); }
.assurance-block h2 { font-size: 27px; }
.assurance-block > p:not(.eyebrow) { max-width: 600px; font-size: 14px; }
.price-block h2 span { color: var(--green); }
.price-block .text-link { display: inline-block; margin-top: 5px; }

.limitation-section { display: grid; grid-template-columns: 42px 1fr; gap: 17px; align-items: start; padding-top: 29px; padding-bottom: 35px; border-top: 1px solid var(--line); }
.limitation-mark { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid #aab7c8; border-radius: 50%; color: #53647a; font-family: Georgia, serif; font-style: italic; font-weight: 700; }
.limitation-section h2 { font-size: 20px; }
.limitation-section > div > p:last-child { max-width: 830px; margin-bottom: 0; font-size: 14px; }

.final-cta { max-width: calc(var(--content) - 56px); margin: 10px auto 66px; padding: 32px 38px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #193b83; border-radius: 8px; color: white; }
.final-cta .eyebrow { color: #b9cdfd; }
.final-cta h2 { margin-bottom: 8px; font-size: 28px; }
.final-cta > div > p:last-child { margin-bottom: 0; color: #d3def5; font-size: 14px; }
.button-light { flex: 0 0 auto; background: white; color: var(--blue-dark); }
.button-light:hover { background: #edf3ff; }

.site-footer { max-width: var(--content); min-height: 92px; margin: 0 auto; padding: 20px 28px; display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.brand-footer { color: var(--ink); font-size: 15px; }
.brand-footer .brand-mark { width: 23px; height: 23px; font-size: 14px; border-radius: 6px; }
.site-footer p { flex: 1; margin: 0; }
.site-footer > a:not(.brand) { color: var(--blue-dark); text-decoration: none; font-weight: 650; }
.copyright { white-space: nowrap; }

@media (min-width: 1400px) {
  .hero { min-height: 620px; }
}

@media (max-width: 800px) {
  .site-header { height: 64px; padding: 0 22px; }
  .menu-toggle { width: 40px; height: 40px; display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 9px; border: 1px solid var(--line); border-radius: 5px; background: white; }
  .menu-toggle span { width: 100%; height: 2px; background: var(--ink); }
  .site-nav { position: absolute; top: 63px; left: 0; right: 0; display: none; align-items: stretch; gap: 0; padding: 8px 22px 18px; border-bottom: 1px solid var(--line); background: white; }
  .site-nav.is-open { display: flex; flex-direction: column; }
  .site-nav > a { padding: 10px 0; }
  .site-nav .nav-cta { margin-top: 8px; padding: 10px 13px; align-self: flex-start; }
  .hero { min-height: auto; grid-template-columns: 1fr 1fr; gap: 8px; padding: 47px 22px 43px; }
  h1 { font-size: 42px; }
  .hero-lede { font-size: 16px; }
  .hero-art { min-height: 330px; }
  .r-stage { height: 320px; }
  .section { padding: 60px 22px; }
  .use-cases > * { max-width: none; }
  .trust-section { gap: 34px; }
  .assurance-section { gap: 35px; }
  .final-cta { max-width: calc(100% - 44px); }
  .site-footer { padding: 20px 22px; gap: 14px; }
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; padding-bottom: 26px; }
  .hero-copy { max-width: 700px; padding-bottom: 0; }
  .hero-art { min-height: 195px; margin-top: 0; }
  .r-stage { height: 190px; }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 70px; }
  .hero { grid-template-columns: 1fr; padding-top: 22px; padding-bottom: 18px; }
  .hero-copy { padding-bottom: 0; }
  h1 { max-width: 500px; font-size: 34px; }
  .hero-lede { max-width: 460px; font-size: 15px; line-height: 1.45; }
  .hero-actions { gap: 16px; }
  .hero-art { min-height: 155px; margin-top: 0; }
  .r-stage { width: 100%; height: 145px; }
  .hero-art::before { inset: 10% 2% 9%; }
  .art-label-top { left: 0; top: 4%; }
  .art-label-bottom { right: 0; bottom: 4%; }
  .drag-hint { right: 0; bottom: -16px; }
  .hero-bottom-rule { left: 22px; }
  .section { padding: 38px 22px; }
  .section-heading h2, .trust-copy h2 { font-size: 29px; }
  .process-step { grid-template-columns: 45px 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .case-item { min-height: 0; padding: 17px 0 19px; }
  .case-index { margin-bottom: 7px; }
  .trust-section, .assurance-section { grid-template-columns: 1fr; gap: 30px; }
  .traffic-panel { padding: 17px 16px 10px; }
  .traffic-row { grid-template-columns: 12px 1fr auto; gap: 8px; font-size: 12px; }
  .final-cta { max-width: calc(100% - 32px); margin-bottom: 44px; padding: 25px 22px; align-items: flex-start; flex-direction: column; }
  .final-cta h2 { font-size: 26px; }
  .site-footer { align-items: flex-start; flex-wrap: wrap; padding: 18px 22px; }
  .site-footer p { flex: 1 1 100%; order: 3; }
  .copyright { margin-left: auto; }
}

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