:root {
  --site-width: 75rem;
  --site-gutter: var(--space-8);
  --site-section: calc(var(--space-16) * 1.5);
  --site-ink: var(--color-primary-deep);
  --site-green: var(--color-success);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--space-8); }
body { margin: 0; background: var(--color-canvas); color: var(--color-text); font-family: var(--font-sans); font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--color-accent-hover); outline-offset: 5px; border-radius: var(--radius-sm); }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { color: var(--site-ink); line-height: 1.1; letter-spacing: -.045em; text-wrap: balance; }
h1 { font-size: clamp(2.75rem, 5.1vw, 4.75rem); font-weight: 650; }
h2 { font-size: clamp(2rem, 3.3vw, 3rem); font-weight: 600; }
h3 { font-size: 1.625rem; font-weight: 600; }
.container { width: min(var(--site-width), calc(100% - var(--site-gutter) * 2)); margin-inline: auto; min-width: 0; }
.skip-link { position: fixed; top: var(--space-3); left: var(--space-4); background: var(--color-surface); color: var(--site-ink); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); transform: translateY(-200%); z-index: 10; }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-5); }
.wordmark { display: inline-flex; align-items: center; gap: var(--space-3); flex-shrink: 0; font-size: 1.75rem; font-weight: 750; letter-spacing: -.055em; color: var(--site-ink); min-height: var(--touch-target); }
.brand-dot { color: var(--site-green); }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-8); font-size: .875rem; font-weight: 600; }
nav > a:not(.button) { display: inline-flex; align-items: center; min-height: var(--touch-target); }
nav > a:not(.button):hover, .text-link:hover, .footer-access:hover { color: var(--site-green); text-decoration: underline; text-underline-offset: .3em; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: var(--space-6); min-height: 3.25rem; max-width: 100%; padding: var(--space-3) var(--space-6); background: var(--site-green); color: var(--color-surface); border: 1px solid transparent; border-radius: var(--radius-md); font-size: .9375rem; font-weight: 650; line-height: 1.4; transition: background var(--transition-fast), transform var(--transition-fast); }
.button:hover { background: var(--site-ink); transform: translateY(-2px); }
.button > span { font-size: 1.25rem; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--space-16); align-items: center; padding-block: var(--site-section); }
.hero-copy, .product-scene, .resource-card, .result-feature > *, .cmv-feature > *, .workflow > *, .faq-section > * { min-width: 0; }
.eyebrow { display: flex; align-items: center; gap: var(--space-3); font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--site-green); margin-bottom: var(--space-6); }
.small-line { height: 2px; width: var(--space-6); background: currentColor; flex-shrink: 0; }
.hero h1 span { color: var(--site-green); }
.hero-description { max-width: 29rem; font-size: 1.125rem; color: var(--color-muted); margin-top: var(--space-6); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-6); margin-top: var(--space-8); }
.text-link { display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--touch-target); font-size: .875rem; font-weight: 650; }
.hero-note { font-size: .8125rem; color: var(--color-muted); margin-top: var(--space-5); }
.product-scene { position: relative; padding: var(--space-8); border-radius: var(--radius-xl); background-color: var(--color-accent-soft); background-image: radial-gradient(var(--color-border-strong) 1px, transparent 1px); background-size: 16px 16px; }
.scene-caption { display: flex; align-items: center; gap: var(--space-2); font-size: .75rem; color: var(--color-primary); margin-bottom: var(--space-5); }
.scene-indicator { width: .5rem; height: .5rem; border-radius: var(--radius-pill); background: var(--site-green); flex-shrink: 0; }
.product-window { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: clip; }
.window-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.mini-brand { color: var(--site-ink); font-weight: 750; letter-spacing: -.05em; }
.demo-tag { background: var(--color-surface-muted); padding: var(--space-1) var(--space-2); border-radius: var(--radius-pill); font-size: .625rem; color: var(--color-muted); }
.window-heading { padding: var(--space-6) var(--space-5) var(--space-5); }
.window-heading > span { display: block; font-size: .625rem; color: var(--color-muted); letter-spacing: .1em; margin-bottom: var(--space-2); }
.window-heading > strong { font-size: 1.5rem; line-height: 1.25; color: var(--site-ink); font-weight: 600; letter-spacing: -.03em; }
.demo-overview { display: flex; align-items: center; gap: var(--space-3); margin: 0 var(--space-5) var(--space-2); padding: var(--space-4); background: var(--color-accent-soft); border-radius: var(--radius-md); }
.demo-overview > div { min-width: 0; }
.demo-overview div > span, .demo-overview strong { display: block; }
.demo-overview div > span { font-size: .8125rem; color: var(--color-primary); }
.demo-overview strong { font-size: .75rem; font-weight: 500; color: var(--color-muted); margin-top: var(--space-1); }
.demo-symbol { font-size: 1.5rem; color: var(--site-green); }
.demo-check { color: var(--site-green); margin-left: auto; }
.demo-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); }
.demo-row + .demo-row { border-top: 1px solid var(--color-border); }
.demo-line-icon { color: var(--site-green); font-size: 1.5rem; width: var(--space-6); text-align: center; flex-shrink: 0; }
.demo-row strong, .demo-row div > span { display: block; }
.demo-row strong { color: var(--site-ink); font-size: .8125rem; font-weight: 600; }
.demo-row div > span { font-size: .6875rem; color: var(--color-muted); margin-top: var(--space-1); }
.window-bottom { display: flex; gap: var(--space-2); align-items: center; padding: var(--space-3) var(--space-5); background: var(--color-surface-muted); font-size: .6875rem; color: var(--color-muted); }
figcaption { margin-top: var(--space-4); font-size: .6875rem; color: var(--color-muted); text-align: center; }
.principles { background: var(--color-surface); border-block: 1px solid var(--color-border); }
.principles-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-8); }
.principles p { font-size: .9375rem; line-height: 1.5; color: var(--color-muted); }
.principles strong { color: var(--site-ink); font-weight: 600; }
.principles-inner > span { font-size: .875rem; color: var(--color-muted); display: flex; align-items: center; gap: var(--space-3); }
.principles-inner > span::before { content: '✓'; color: var(--site-green); }
.section { padding-block: var(--site-section); }
.section-heading { max-width: 40rem; margin-bottom: var(--space-12); }
.section-heading .eyebrow { margin-bottom: var(--space-4); }
.section-heading > p:last-child:not(.eyebrow) { margin-top: var(--space-5); color: var(--color-muted); max-width: 34rem; }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.resource-card { padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.resource-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-8); }
.resource-icon { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: var(--space-12); height: var(--space-12); border-radius: var(--radius-md); background: var(--color-accent-soft); color: var(--site-green); font-size: 1.75rem; }
.resource-index { font-size: .625rem; letter-spacing: .12em; color: var(--color-muted); }
.resource-card h3 { margin-bottom: var(--space-5); }
.resource-card p { color: var(--color-muted); max-width: 28rem; }
.resource-foot { border-top: 1px solid var(--color-border); padding-top: var(--space-5); margin-top: var(--space-8); color: var(--site-green); font-size: .8125rem; font-weight: 600; }
.result-feature { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: var(--space-16); background: var(--site-ink); color: var(--color-surface); padding: var(--space-12); margin-top: var(--space-6); border-radius: var(--radius-lg); }
.result-feature h3 { color: var(--color-surface); font-size: 2rem; margin-bottom: var(--space-5); }
.result-feature .eyebrow { color: var(--color-accent-soft); }
.result-feature p:not(.eyebrow) { color: var(--color-accent-soft); }
.result-path > div { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding-block: var(--space-5); border-bottom: 1px solid var(--color-primary-raised); }
.path-total { color: var(--color-accent-soft); }
.result-path small { display: block; color: var(--color-accent-soft); font-size: .6875rem; margin-top: var(--space-5); }
.cmv-feature { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.3fr) minmax(0, 1fr); align-items: center; gap: var(--space-8); margin-top: var(--space-6); padding: var(--space-8); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.cmv-label { display: grid; justify-items: start; gap: var(--space-4); }
.cmv-label .eyebrow { margin: 0; }
.cmv-feature h3 { margin-bottom: var(--space-4); }
.cmv-feature p:not(.eyebrow) { font-size: .875rem; color: var(--color-muted); }
.cmv-note { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-5); border-radius: var(--radius-md); background: var(--color-surface-muted); }
.cmv-note > span { flex-shrink: 0; color: var(--site-green); }
.cmv-note strong { display: block; color: var(--site-ink); font-size: .875rem; margin-bottom: var(--space-2); }
.workflow-section { background: var(--color-surface-muted); border-block: 1px solid var(--color-border); padding-block: var(--site-section); }
.workflow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-12); padding: 0; margin: 0; list-style: none; }
.workflow li { border-top: 1px solid var(--color-border-strong); padding-top: var(--space-5); }
.step-number { font-size: .75rem; letter-spacing: .1em; color: var(--site-green); }
.workflow h3 { font-size: 1.125rem; letter-spacing: -.025em; margin-top: var(--space-5); line-height: 1.3; }
.workflow p { margin-top: var(--space-3); color: var(--color-muted); font-size: .9375rem; }
.faq-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr); gap: var(--space-16); }
.faq-list { border-top: 1px solid var(--color-border-strong); }
.faq-list details { border-bottom: 1px solid var(--color-border-strong); padding-block: var(--space-2); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); cursor: pointer; list-style: none; min-height: var(--touch-target); padding-block: var(--space-3); font-size: .9375rem; font-weight: 600; color: var(--site-ink); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { display: inline-grid; place-items: center; flex-shrink: 0; width: var(--space-6); height: var(--space-6); line-height: 1; color: var(--site-green); font-size: 1.5rem; }
.faq-list details[open] summary > span { font-size: 0; }
.faq-list details[open] summary > span::after { content: '−'; font-size: 1.5rem; }
.faq-list details > p { padding: var(--disclosure-content-gap) var(--disclosure-content-inline) var(--disclosure-content-block-end); color: var(--color-muted); font-size: .875rem; }
.closing-section { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); background: var(--site-ink); padding: var(--space-12); border-radius: var(--radius-xl); color: var(--color-surface); }
.closing-section .eyebrow { color: var(--color-accent-soft); margin-bottom: var(--space-4); }
.closing-section h2 { color: var(--color-surface); font-size: clamp(1.875rem, 3vw, 2.5rem); }
.closing-section p:last-child { margin-top: var(--space-5); color: var(--color-accent-soft); }
.button-light { background: var(--color-accent-soft); color: var(--site-ink); flex-shrink: 0; }
.button-light:hover { background: var(--color-surface); color: var(--site-ink); }
.closing-section .button:focus-visible { outline-color: var(--color-surface); }
.closing-contact { min-width: 0; max-width: 24rem; }
.closing-contact p { font-size: .8125rem; }
.contact-email { overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: .2em; }
.contact-email:focus-visible { outline-color: var(--color-surface); }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-6); padding-block: var(--space-12); }
.site-footer .wordmark { font-size: 1.375rem; }
.site-footer p { font-size: .8125rem; color: var(--color-muted); }
.footer-access { display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--touch-target); font-size: .8125rem; font-weight: 600; }
@media (max-width: 980px) {
  :root { --site-gutter: var(--space-6); --site-section: var(--space-16); }
  .hero { gap: var(--space-8); }
  .product-scene { padding: var(--space-5); }
  .principles-inner { flex-wrap: wrap; justify-content: flex-start; column-gap: var(--space-8); }
  .principles-inner p { width: 100%; }
  .result-feature { gap: var(--space-8); padding: var(--space-8); }
  .cmv-feature { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
  .cmv-note { grid-column: 1 / -1; }
  .workflow { gap: var(--space-6); }
  .faq-section { gap: var(--space-8); }
  .closing-section { padding: var(--space-8); }
}
@media (max-width: 700px) {
  :root { --site-gutter: var(--space-5); }
  .header-inner { gap: var(--space-3); flex-wrap: wrap; padding-block: var(--space-4); }
  .header-inner .wordmark { font-size: 1.5rem; }
  .header-inner .wordmark img { width: 32px; height: 32px; }
  nav { width: 100%; gap: var(--space-2); justify-content: space-between; font-size: .75rem; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: var(--space-12); }
  h1 { font-size: clamp(2.75rem, 9vw, 3.75rem); }
  .hero-description { font-size: 1rem; }
  .hero-actions { gap: var(--space-4); }
  .hero .eyebrow { font-size: .625rem; }
  .product-scene { padding: var(--space-5); }
  .principles-inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .principles p { margin-bottom: var(--space-2); }
  .resource-grid, .result-feature, .cmv-feature, .workflow, .faq-section { grid-template-columns: minmax(0, 1fr); }
  .resource-card, .result-feature, .cmv-feature { padding: var(--space-6); }
  .resource-card h3 { font-size: 1.5rem; }
  .resource-top { margin-bottom: var(--space-6); }
  .resource-index { font-size: .5625rem; }
  .cmv-label { display: flex; align-items: center; }
  .cmv-note { grid-column: auto; }
  .section-heading { margin-bottom: var(--space-8); }
  .workflow { gap: var(--space-8); }
  .faq-section .section-heading { margin-bottom: 0; }
  .closing-section { align-items: flex-start; flex-direction: column; padding: var(--space-6); }
  .site-footer { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-3); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}