/* Layout and components. All brand values live in tokens.css. */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + var(--space-4)); }
body { margin: 0; color: var(--text-primary); background: var(--background-page); font-family: var(--font-body); line-height: var(--line-height-body); -webkit-font-smoothing: antialiased; }
::selection { background: var(--background-tag); color: var(--text-primary); }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: var(--line-height-heading); letter-spacing: var(--tracking-heading); text-wrap: balance; }
p { text-wrap: pretty; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 5px; }
a, button { -webkit-tap-highlight-color: transparent; }
.wrap { width: min(calc(100% - var(--page-gutter) * 2), var(--container-width)); margin-inline: auto; }
.wrap > *, article { min-width: 0; }
.section { position: relative; padding-block: var(--section-space); }
.section-grid { border-bottom: 1px solid var(--border-default); }
.skip-link { position: fixed; z-index: 200; top: var(--space-3); left: var(--space-3); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); background: var(--brand-forest); color: var(--color-white); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.eyebrow, .mono { font-family: var(--font-mono); font-size: var(--font-size-xs); font-weight: 500; letter-spacing: var(--tracking-label); line-height: 1.6; color: var(--text-secondary); }
.eyebrow { margin-bottom: var(--space-5); text-transform: uppercase; }
.accent { color: var(--text-primary); }
.soft, .labs-accent { color: var(--text-secondary); }
.theme-dark { color: var(--text-primary); background: var(--background-inverse); }
.theme-dark .accent, .theme-dark .soft { color: var(--color-accent-on-dark); }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-olive); flex-shrink: 0; }

/* A quiet, generous header gives the four-part mark room to breathe. */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--background-section); border-bottom: 1px solid var(--border-default); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: var(--space-8); }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { width: 142px; height: 46px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: var(--space-8); margin-left: auto; }
.desktop-nav a { padding-block: var(--space-3); font-size: var(--font-size-sm); font-weight: 500; color: var(--text-secondary); }
.desktop-nav a:hover { color: var(--text-primary); }
.header-actions { display: flex; align-items: center; gap: var(--space-6); }
.lang { display: flex; gap: var(--space-1); font: 500 var(--font-size-xs) var(--font-mono); color: var(--text-subtle); }
.lang .active { color: var(--text-primary); }
.lang .muted { cursor: default; }
.btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-5); border: 1px solid transparent; border-radius: var(--radius-button); padding: var(--space-3) var(--space-6); font-size: var(--font-size-sm); font-weight: 500; line-height: 1.4; transition: background var(--motion-fast), border-color var(--motion-fast), box-shadow var(--motion-fast); }
.btn-small { min-height: 44px; padding-inline: var(--space-5); }
.btn-primary { color: var(--button-primary-text); background: var(--button-primary-bg); }
.btn-primary:hover { background: var(--button-primary-hover); box-shadow: var(--shadow-sm); }
.btn-secondary, .btn-ghost { color: var(--button-secondary-text); background: var(--button-secondary-bg); border-color: var(--button-secondary-border); }
.btn-secondary:hover, .btn-ghost:hover { background: var(--button-secondary-hover); }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--button-disabled-bg); color: var(--button-disabled-text); cursor: not-allowed; box-shadow: none; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--border-default); border-radius: var(--radius-sm); background: transparent; }
.menu-toggle span { display: block; width: 20px; height: 1px; margin: 6px auto; background: var(--text-primary); transition: transform var(--motion-fast); }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-nav { display: none; }

/* A compact editorial introduction, without decorative 3D artwork. */
.hero { background: var(--background-page); }
.hero-wrap { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: clamp(32px, 5vw, 120px); padding-block: clamp(44px, 5vw, 76px); }
.hero h1 { font-size: var(--font-size-h1); line-height: 1.1; max-width: 17ch; }
.hero h1 .accent { color: var(--text-accent); }
.hero-lead { max-width: 58ch; margin-top: var(--space-5); color: var(--text-secondary); font-size: var(--font-size-lg); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero-location { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-6); color: var(--text-secondary); font-size: var(--font-size-xs); }
.hero-overview { border: 1px solid var(--border-default); border-radius: var(--radius-card); background: var(--background-section); overflow: hidden; }
.overview-heading { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--border-default); }
.overview-heading .mono, .overview-status { font: 500 .625rem/1.5 var(--font-mono); color: var(--text-secondary); letter-spacing: .04em; }
.overview-status { display: inline-flex; gap: 8px; align-items: center; }
.overview-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--brand-terracotta); }
.overview-service { display: grid; grid-template-columns: 32px 1fr 18px; gap: var(--space-4); padding: var(--space-6); border-bottom: 1px solid var(--border-default); }
.overview-service:hover { background: var(--background-subtle); }
.overview-number { color: var(--text-accent); font: 500 .75rem/1.6 var(--font-mono); }
.overview-service h2 { font-size: clamp(1.05rem, 1.35vw, 1.4rem); letter-spacing: -.03em; text-wrap: pretty; }
.overview-service p { font-size: var(--font-size-sm); margin-top: var(--space-2); color: var(--text-secondary); }
.overview-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.overview-tags span { border: 1px solid var(--border-default); padding: 3px 6px; border-radius: var(--radius-sm); font: 400 .625rem/1.6 var(--font-mono); color: var(--text-secondary); }
.overview-arrow { color: var(--text-accent); }
.overview-service:last-child { border-bottom: 0; }
.overview-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); padding: var(--space-4) var(--space-6); background: var(--background-subtle); font: 500 .6875rem/1.6 var(--font-mono); color: var(--text-secondary); }
.overview-foot i { font-style: normal; color: var(--text-accent); }
.capability-band { background: var(--background-section); border-bottom: 1px solid var(--border-default); }
.capability-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); padding-block: var(--space-4); }
.capability-inner > .mono { max-width: 225px; font-size: .625rem; }
.capability-inner a { display: flex; align-items: center; gap: var(--space-8); font-size: var(--font-size-sm); font-weight: 500; }
.capability-inner a span { color: var(--text-accent); }
.capability-inner a:hover { text-decoration: underline; text-underline-offset: 5px; }
.section-head { max-width: 780px; margin-bottom: var(--space-10); }
.section-head h2, .demo-copy h2, .why-copy h2, .labs-head h2, .contact-copy h2 { font-size: var(--font-size-h2); }
.section-head > p:last-child:not(.eyebrow), .labs-head > p:last-child, .contact-copy > p:not(.eyebrow):not(.location) { margin-top: var(--space-5); color: var(--text-secondary); font-size: var(--font-size-base); max-width: 660px; }
#services { background: var(--background-section); }
#services .section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--space-16); max-width: none; align-items: center; }
#services .section-head .eyebrow { grid-column: 1 / -1; }
#services .section-head > p:last-child { margin-top: 0; }
.pillars { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: var(--space-6); }
.pillar { display: flex; flex-direction: column; padding: var(--space-8); background: var(--background-page); border: 1px solid var(--border-default); border-radius: var(--radius-card); }
.pillar-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.service-symbol { display: grid; place-items: center; width: 48px; height: 48px; color: var(--color-white); background: var(--brand-forest); border-radius: var(--radius-sm); }
.service-symbol svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: round; }
.pillar:nth-child(2) .service-symbol { background: var(--brand-olive); }
.pillar h3 { margin: var(--space-8) 0 var(--space-4); font-size: var(--font-size-h3); }
.pillar > p { color: var(--text-secondary); font-size: .9375rem; }
.feature-list { margin: var(--space-6) 0 var(--space-2); }
.service-details { margin-top: var(--space-5); }
.service-details summary { cursor: pointer; color: var(--text-secondary); font-size: var(--font-size-sm); padding-block: var(--space-2); }
.service-details summary:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 4px; }
.service-details .feature-list { margin-top: var(--space-3); }
.feature-list > div { display: grid; grid-template-columns: .8fr 1fr; gap: var(--space-4); padding-block: var(--space-4); border-top: 1px solid var(--border-default); }
.feature-list strong { font-size: var(--font-size-sm); font-weight: 600; }
.feature-list span { color: var(--text-secondary); font-size: var(--font-size-sm); line-height: 1.6; }
.text-link { display: inline-flex; align-items: center; align-self: flex-start; gap: var(--space-3); margin-top: auto; padding-top: var(--space-6); font-size: var(--font-size-sm); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.icon-arrow { flex: 0 0 18px; width: 18px; height: 18px; max-width: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.link-label { min-width: 0; }
.btn, .text-link { gap: var(--space-3); max-width: 100%; }
.btn { text-align: center; }
.text-link .icon-arrow { color: var(--text-accent); }
.header-actions > .btn { flex-shrink: 0; white-space: nowrap; }

/* A short, flat illustration. All labels stay real, translated HTML text. */
.document-flow { width: 100%; min-width: 0; max-width: 1080px; justify-self: end; border: 1px solid var(--border-default); border-radius: var(--radius-card); background: var(--background-section); overflow: hidden; }
.flow-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2) var(--space-4); padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--border-default); }
.flow-heading .mono { font-size: .625rem; letter-spacing: .06em; }
.flow-replay { min-height: 32px; padding: 4px 0; border: 0; background: transparent; color: var(--text-secondary); font-size: .6875rem; text-decoration: underline; text-underline-offset: 3px; }
.flow-replay[hidden] { display: none; }
.flow-diagram { padding: 0 var(--space-5) var(--space-5); }
.flow-art { width: 100%; height: auto; overflow: visible; }
.flow-track { fill: none; stroke: var(--border-strong); stroke-width: 1.5; stroke-dasharray: 3 6; }
.flow-sheet { fill: var(--background-page); stroke: var(--border-strong); stroke-width: 1.5; }
.flow-sheet-back { fill: var(--background-tag); }
.flow-sheet-middle { fill: var(--background-subtle); }
.flow-ink { fill: none; stroke: var(--text-secondary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.flow-server-shell { fill: var(--background-subtle); stroke: var(--border-strong); stroke-width: 1.5; }
.flow-server-slot { fill: var(--background-section); stroke: var(--border-default); }
.flow-lock, .flow-result-tag { fill: var(--background-accent-soft); }
.flow-lock { stroke: var(--text-accent); stroke-width: 1.5; }
.flow-lock-loop, .flow-check { fill: none; stroke: var(--text-accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.flow-light { fill: var(--text-accent); }
.flow-packet { fill: var(--text-accent); opacity: 0; }
.flow-labels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); text-align: center; font-size: var(--font-size-sm); font-weight: 600; line-height: 1.5; }
.flow-privacy { margin-top: var(--space-5); text-align: center; color: var(--text-secondary); font-size: .75rem; }
.flow-example { padding: var(--space-5) var(--space-6); border-top: 1px solid var(--border-default); background: var(--background-page); }
.flow-example > .mono { font-size: .625rem; }
.flow-question { margin-top: var(--space-2); color: var(--text-secondary); font-size: var(--font-size-sm); }
.flow-answer { margin-top: var(--space-3); padding-left: var(--space-3); border-left: 2px solid var(--text-accent); }
.flow-answer p { font-size: clamp(.9375rem, 1.3vw, 1.25rem); font-weight: 500; }
.flow-answer span { display: block; margin-top: var(--space-1); color: var(--text-secondary); font-size: .6875rem; }
.is-playing .flow-sheet-front { animation: flow-documents 4.8s var(--ease-standard) both; }
.is-playing .flow-packet-in { animation: flow-in 4.8s linear both; }
.is-playing .flow-light { animation: flow-process 4.8s ease both; }
.is-playing .flow-packet-out { animation: flow-out 4.8s linear both; }
.is-playing .flow-result, .is-playing .flow-answer { animation: flow-answer 4.8s var(--ease-standard) both; }
@keyframes flow-documents { 0% { transform: translate(-14px, -8px); } 24%, 100% { transform: translate(0, 0); } }
@keyframes flow-in { 0%, 12% { opacity: 0; transform: translateX(0); } 18%, 32% { opacity: 1; } 39%, 100% { opacity: 0; transform: translateX(68px); } }
@keyframes flow-process { 0%, 32% { opacity: .25; } 40% { opacity: 1; } 47% { opacity: .3; } 55%, 100% { opacity: 1; } }
@keyframes flow-out { 0%, 52% { opacity: 0; transform: translateX(0); } 57%, 69% { opacity: 1; } 76%, 100% { opacity: 0; transform: translateX(64px); } }
@keyframes flow-answer { 0%, 66% { opacity: 0; transform: translateY(6px); } 86%, 100% { opacity: 1; transform: translateY(0); } }
@media (max-width: 960px) {
  .hero .hero-wrap { grid-template-columns: 1fr; }
  .hero h1 { max-width: 24ch; }
  .document-flow { max-width: 800px; justify-self: start; }
}
@media (max-width: 640px) {
  .flow-heading { padding: var(--space-3) var(--space-4); }
  .flow-diagram { padding-inline: var(--space-2); }
  .flow-labels { font-size: .6875rem; }
  .flow-privacy { padding-inline: var(--space-3); font-size: .6875rem; }
  .flow-example { padding: var(--space-4); }
}

/* The demo is the primary inverse section, like the supplied showcase. */
.demo-section { background: var(--background-subtle); border-bottom: 1px solid var(--border-default); }
.demo-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-16); align-items: center; }
.demo-copy > p:not(.eyebrow) { margin-top: var(--space-6); color: var(--text-secondary); font-size: var(--font-size-base); }
.check-list { list-style: none; padding: 0; margin: var(--space-6) 0 0; }
.check-list li { position: relative; padding: var(--space-3) 0 var(--space-3) var(--space-6); border-bottom: 1px solid var(--border-default); color: var(--text-secondary); font-size: var(--font-size-sm); }
.check-list li::before { content: "↳"; position: absolute; left: 0; color: var(--text-accent); }
.demo-actions { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; margin-top: var(--space-8); }
.demo-actions .text-link { padding: 0; margin: 0; }
.demo-window { display: block; overflow: hidden; background: var(--background-panel-inverse); border: 1px solid var(--border-default); border-radius: var(--radius-card); box-shadow: var(--shadow-elevated); transition: border-color var(--motion-fast); }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-2); min-height: 44px; padding-inline: var(--space-4); border-bottom: 1px solid var(--border-default); font: 500 var(--font-size-xs) var(--font-mono); color: var(--text-secondary); }
.window-dots { display: flex; gap: var(--space-1); }
.window-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--color-border-on-dark); }
.window-secure { justify-self: end; font-size: .625rem; }
.window-body { padding: var(--space-8); }
.window-body > .demo-brand { margin-bottom: var(--space-4); }
.demo-brand { font: 500 var(--font-size-xs) var(--font-mono); letter-spacing: .05em; color: var(--color-accent-on-dark); }
.demo-brand span { color: var(--text-secondary); }
.window-body h3 { margin: var(--space-6) 0; font-size: var(--font-size-h3); }
.question-box { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-4); border: 1px solid var(--color-border-on-dark); border-radius: var(--radius-sm); background: var(--background-control-inverse); font-size: var(--font-size-sm); }
.answer-card { margin-top: var(--space-3); padding: var(--space-4); border: 1px solid var(--border-default); border-radius: var(--radius-sm); }
.answer-meta, .source-row, .retrieval-row { display: flex; justify-content: space-between; gap: var(--space-3); color: var(--text-secondary); font: 500 .625rem/1.5 var(--font-mono); }
.answer-meta span:first-child { color: var(--color-accent-on-dark); }
.answer-card p { margin-block: var(--space-4); color: var(--text-secondary); font-size: var(--font-size-sm); }
.source-row { flex-wrap: wrap; justify-content: flex-start; }
.source-row span { padding: var(--space-1) var(--space-2); border: 1px solid var(--border-default); border-radius: var(--radius-sm); }
.retrieval-row { margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--border-default); flex-wrap: wrap; }
.demo-footer-tags { display: flex; gap: var(--space-2); flex-wrap: wrap; padding: var(--space-4); border-top: 1px solid var(--border-default); }
.tech-row span, .founder-tags span, .demo-footer-tags span { padding: var(--space-1) var(--space-2); border: 1px solid var(--border-default); border-radius: var(--radius-sm); color: var(--text-secondary); font: 500 .625rem/1.6 var(--font-mono); }

/* Service, project and people cards share the same light surfaces. */
.use-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.use-card { padding: var(--space-6); border: 1px solid var(--border-default); border-radius: var(--radius-card); background: var(--background-card); }
.use-card > .mono { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--background-tag); border-radius: var(--radius-sm); color: var(--text-primary); }
.use-card:nth-child(3n) > .mono { background: var(--background-accent-soft); color: var(--text-accent); }
.use-card h3 { margin-block: var(--space-5) var(--space-4); font-size: 1.25rem; letter-spacing: -.035em; }
.use-card p { color: var(--text-secondary); font-size: var(--font-size-sm); margin-top: var(--space-4); }
.mini-flow { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-1); font: 500 .625rem/1.5 var(--font-mono); color: var(--text-secondary); }
.mini-flow span { padding: var(--space-1); background: var(--background-page); border-radius: var(--radius-sm); }
.mini-flow i { color: var(--text-accent); font-style: normal; }
.why-section { background: var(--background-subtle); }
.why-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8) var(--space-16); }
.why-stack { grid-column: 2; grid-row: 1 / span 2; border-top: 1px solid var(--border-default); }
.why-stack > div { display: grid; grid-template-columns: 40px 1fr; gap: var(--space-2); align-items: center; min-height: 64px; padding-block: var(--space-3); border-bottom: 1px solid var(--border-default); }
.why-stack span { color: var(--text-secondary); font: 500 var(--font-size-xs) var(--font-mono); }
.why-stack p { color: var(--text-secondary); font-size: 1.125rem; letter-spacing: -.02em; }
.why-stack strong { color: var(--text-primary); font-weight: 600; }
.start-card { border-left: 2px solid var(--brand-terracotta); padding-left: var(--space-6); }
.start-card h3 { margin: var(--space-3) 0; font-size: 1.5rem; }
.start-card p { color: var(--text-secondary); font-size: var(--font-size-sm); }
.start-card strong { display: block; margin-top: var(--space-4); font-size: var(--font-size-sm); font-weight: 600; }
.start-card .text-link { padding-top: var(--space-4); }
#work, #about { background: var(--background-section); }
.work-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-6); }
.work-card { position: relative; display: flex; flex-direction: column; padding: var(--space-8); background: var(--background-page); border: 1px solid var(--border-default); border-radius: var(--radius-card); }
.work-main { background: var(--background-tag); }
.work-tag { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); padding-right: var(--space-12); color: var(--text-secondary); font: 500 var(--font-size-xs)/1.6 var(--font-mono); }
.work-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-forest); }
.work-tag.research i { background: var(--brand-terracotta); }
.work-number { position: absolute; top: var(--space-5); right: var(--space-6); font: 500 3rem/1 var(--font-display); color: var(--border-default); }
.work-card h3 { margin: var(--space-8) 0 var(--space-4); font-size: 1.75rem; }
.work-card p { color: var(--text-secondary); font-size: .875rem; }
.tech-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; padding-top: var(--space-6); }
.founder-system { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.founder { padding: var(--space-8); background: var(--background-page); border: 1px solid var(--border-default); border-radius: var(--radius-card); border-top: 3px solid var(--brand-forest); }
.founder-right { border-top-color: var(--text-secondary); }
.founder h3 { margin: var(--space-6) 0 var(--space-3); font-size: 1.625rem; }
.founder p { color: var(--text-secondary); font-size: var(--font-size-sm); }
.founder-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.founder-core { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: var(--space-3); font: 500 .625rem/1.6 var(--font-mono); color: var(--text-secondary); }
.founder-core i { color: var(--text-accent); font-style: normal; }
.founder-core strong { color: var(--text-primary); font-weight: 500; }
.about-note { margin-top: var(--space-6); color: var(--text-secondary); font-size: var(--font-size-sm); }
.about-note strong { color: var(--text-primary); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.process-card { padding: var(--space-6); border: 1px solid var(--border-default); border-right: 0; }
.process-card:last-child { border-right: 1px solid var(--border-default); }
.process-card > span { color: var(--text-accent); font: 500 var(--font-size-xs) var(--font-mono); }
.process-card h3 { margin: var(--space-8) 0 var(--space-3); font-size: 1.25rem; letter-spacing: -.03em; }
.process-card p { color: var(--text-secondary); font-size: var(--font-size-sm); }

/* Labs stays a secondary, compact editorial section. */
.labs-section { background: var(--background-section); }
.labs-wrap { display: grid; grid-template-columns: .85fr 1.4fr; gap: var(--space-8) var(--space-12); }
.labs-head h2 { font-size: 1.875rem; }
.labs-head > p:last-child { font-size: var(--font-size-sm); }
.labs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.lab-card { padding-left: var(--space-5); border-left: 1px solid var(--border-default); }
.lab-card h3 { margin: var(--space-6) 0 var(--space-3); font-size: 1.125rem; letter-spacing: -.025em; }
.lab-card p { color: var(--text-secondary); font-size: var(--font-size-sm); }
.labs-note { grid-column: 1 / -1; color: var(--text-secondary); font-size: var(--font-size-sm); }
.labs-note a { color: var(--text-primary); text-decoration: underline; text-underline-offset: 4px; }
.contact-section { background: var(--background-contact); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: var(--space-16); }
.contact-copy { padding-top: var(--space-5); }
.contact-direct { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-10); }
.contact-direct span { color: var(--text-secondary); font-size: var(--font-size-sm); }
.contact-direct a { font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; }
.location { margin-top: var(--space-8); color: var(--text-secondary); font-size: var(--font-size-sm); }
.contact-form { padding: var(--space-8); border: 1px solid var(--border-default); border-radius: var(--radius-card); background: var(--background-section); box-shadow: var(--shadow-card); }
.contact-form label { display: block; margin-bottom: var(--space-5); }
.contact-form label > span { display: block; margin-bottom: var(--space-2); font-size: var(--font-size-sm); font-weight: 500; }
.contact-form input, .contact-form textarea { width: 100%; min-width: 0; padding: var(--space-3) var(--space-4); color: var(--text-primary); background: var(--background-page); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--brand-forest); outline-offset: 2px; }
.form-submit { width: 100%; }
.form-note { margin-top: var(--space-3); color: var(--text-secondary); font-size: .75rem; line-height: 1.6; }
.site-footer { padding: var(--space-10) 0 var(--space-6); background: var(--background-section); border-top: 1px solid var(--border-default); }
.footer-top { display: grid; grid-template-columns: 1fr auto auto; gap: var(--space-20); }
.footer-brand { margin-bottom: var(--space-5); }
.footer-top p { color: var(--text-secondary); font-size: var(--font-size-sm); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); color: var(--text-secondary); font-size: var(--font-size-sm); }
.footer-links a:hover { color: var(--text-primary); text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-5); margin-top: var(--space-12); padding-top: var(--space-5); border-top: 1px solid var(--border-default); color: var(--text-secondary); font: 400 var(--font-size-xs)/1.6 var(--font-mono); }

/* Content is visible without JavaScript. */
.reveal { opacity: 1; }
/* Language is ordinary navigation, so it also works without JavaScript. */
.lang { align-items: center; gap: 2px; }
.lang a { min-width: 32px; min-height: 40px; display: grid; place-items: center; border-radius: var(--radius-sm); color: var(--text-secondary); }
.lang a[aria-current="page"] { color: var(--text-primary); background: var(--background-tag); font-weight: 600; }
.lang a:hover { color: var(--text-primary); }
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--border-default); border-radius: var(--radius-sm); background: transparent; }
.theme-toggle[hidden] { display: none; }
.theme-toggle svg { width: 18px; height: 18px; stroke: var(--text-primary); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon-sun, .brand .logo-dark { display: none; }
[data-theme="dark"] .theme-icon-sun, [data-theme="dark"] .brand .logo-dark { display: block; }
[data-theme="dark"] .theme-icon-moon, [data-theme="dark"] .brand .logo-light { display: none; }
.web-services { margin-top: var(--space-6); display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: var(--space-8); padding: var(--space-6); background: var(--background-subtle); border: 1px solid var(--border-default); border-radius: var(--radius-card); border-left: 3px solid var(--brand-terracotta); }
.web-services h3 { margin-top: var(--space-3); font-size: 1.4rem; }
.web-services h4 { margin: 0 0 var(--space-2); font-size: .9375rem; font-weight: 600; }
.web-services p { font-size: var(--font-size-sm); color: var(--text-secondary); }
.web-services .text-link { padding-top: var(--space-4); }
@media (min-width: 1800px) {
  .hero-wrap { grid-template-columns: 1fr 1fr; }
  .hero-overview { max-width: 1080px; width: 100%; justify-self: end; }
  .hero h1 { font-size: 4.65rem; }
  .overview-service { padding: var(--space-8); }
  .section-head { max-width: 1000px; }
  .pillar > p, .work-card p { max-width: 80ch; }
}
@media (max-width: 960px) { .web-services { grid-template-columns: 1fr 1fr; }.web-services > div:first-child { grid-column: 1 / -1; } }
@media (max-width: 640px) { .web-services { grid-template-columns: 1fr; gap: var(--space-6); } }
@media (max-width: 1080px) {
  .desktop-nav { gap: var(--space-5); }
  .header-inner { gap: var(--space-6); }
  .labs-wrap { grid-template-columns: 1fr; }
  .labs-head { max-width: 650px; }
  .labs-grid { gap: var(--space-8); }
}
@media (max-width: 960px) {
  :root { --header-height: 76px; }
  .header-inner { justify-content: space-between; }
  .brand img { width: 144px; height: 47px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav.open { display: flex; flex-direction: column; padding: var(--space-3) var(--space-8); border-top: 1px solid var(--border-default); }
  .mobile-nav a { padding: var(--space-3) 0; font-size: .9375rem; }
  .hero-wrap { gap: var(--space-6); }
  .hero h1 { font-size: clamp(2.55rem, 5.2vw, 3.25rem); }
  .hero-lead { font-size: var(--font-size-base); }
  .capability-inner { gap: var(--space-6); }
  .capability-inner > .mono { max-width: 170px; }
  .capability-inner a { gap: var(--space-3); font-size: .75rem; }
  #services .section-head { gap: var(--space-5) var(--space-8); }
  .pillars { gap: var(--space-5); }
  .pillar { padding: var(--space-6); }
  .pillar-meta { flex-wrap: wrap; }
  .feature-list > div { grid-template-columns: 1fr; gap: var(--space-2); }
  .demo-layout, .contact-layout { grid-template-columns: 1fr; gap: var(--space-10); }
  .demo-copy { max-width: 680px; }
  .demo-window { max-width: 720px; width: 100%; }
  .use-grid { grid-template-columns: repeat(2, 1fr); }
  .why-layout { gap: var(--space-8); }
  .work-grid { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .work-card { padding: var(--space-6); }
  .founder-system { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .founder { padding: var(--space-6); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-card:nth-child(2) { border-right: 1px solid var(--border-default); }
  .process-card:nth-child(n+3) { border-top: 0; }
  .contact-copy { padding-top: 0; max-width: 650px; }
  .footer-top { gap: var(--space-10); }
}
@media (max-width: 640px) {
  :root { --header-height: 72px; --section-space: 3rem; }
  .wrap { width: calc(100% - 40px); }
  .header-actions { gap: var(--space-3); }
  .header-actions > .btn { display: none; }
  .brand img { width: 114px; height: 38px; }
  .header-inner { gap: var(--space-2); }
  .header-actions { gap: var(--space-2); }
  .lang a { min-width: 28px; padding-inline: 4px; }
  .theme-toggle, .menu-toggle { width: 36px; height: 40px; }
  .overview-service { grid-template-columns: 24px 1fr 14px; gap: 10px; padding: 20px 16px; }
  .overview-heading, .overview-foot { padding: 14px 16px; }
  .mobile-nav.open { padding-inline: var(--space-5); }
  .hero-wrap { grid-template-columns: 1fr; gap: var(--space-8); padding: var(--space-10) 0; }
  .hero h1 { font-size: clamp(1.95rem, 7.6vw, 3rem); max-width: none; }
  .hero-lead { max-width: 480px; }
  .hero-actions { gap: var(--space-3); }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-location { font-size: .625rem; }
  .capability-inner { flex-direction: column; align-items: stretch; gap: var(--space-4); }
  .capability-inner > .mono { max-width: none; }
  .capability-inner a { justify-content: space-between; font-size: var(--font-size-sm); }
  .section-head { margin-bottom: var(--space-8); }
  #services .section-head { display: block; }
  #services .section-head > p:last-child { margin-top: var(--space-5); }
  .pillars, .use-grid, .work-grid, .why-layout, .founder-system, .labs-grid { grid-template-columns: 1fr; }
  .pillar { padding: var(--space-6); }
  .pillar-meta { flex-wrap: nowrap; }
  .pillar-meta .mono { font-size: .625rem; }
  .pillar h3 { margin-top: var(--space-6); }
  .window-body { padding: var(--space-5); }
  .window-bar { padding-inline: var(--space-3); font-size: .625rem; }
  .window-secure { font-size: .5625rem; }
  .window-body h3 { font-size: 1.625rem; }
  .why-stack { grid-column: auto; grid-row: auto; }
  .why-stack > div { min-height: 68px; }
  .why-stack p { font-size: var(--font-size-base); }
  .work-card h3 { font-size: 1.5rem; }
  .founder-core { flex-direction: row; flex-wrap: wrap; gap: var(--space-4); padding: var(--space-3) 0; }
  .founder-core i { transform: rotate(-90deg); }
  .founder h3 { margin-top: var(--space-6); }
  .labs-grid { gap: var(--space-6); }
  .lab-card h3 { margin-top: var(--space-3); }
  .process-grid { grid-template-columns: 1fr; }
  .process-card { border-right: 1px solid var(--border-default); }
  .process-card + .process-card { border-top: 0; }
  .process-card h3 { margin-top: var(--space-5); }
  .contact-form { padding: var(--space-5); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-top > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; margin-top: var(--space-10); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}