/* Technical Editorial prototype. Only DesignLayout loads this file.
   Breakpoints: compact 40rem; navigation / stacked editorial grid 64rem.
   Native media queries use literals because custom properties cannot query widths. */
@font-face {
  font-family: Onest; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('./fonts/onest-cyrillic-variable.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: Onest; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('./fonts/onest-latin-variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
.design-prototype {
  --warm: #f4f3ef; --white: #fff; --graphite: #202122; --secondary: #595b5c; --line: #d1d1cc;
  --font: Onest, sans-serif; --body: 1.125rem; --small: .875rem;
  --h1: clamp(4rem, 6.1vw, 5.5rem); --h1-long: clamp(3rem, 4.45vw, 4rem);
  --h2: clamp(2.25rem, 3.2vw, 3rem); --h3: 1.5rem;
  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2rem;
  --space-5: 3rem; --space-6: 4.5rem; --space-7: 6rem;
  --container: 1320px; --reading: 65ch; --gutter: 24px; --columns: 12;
  --radius: 2px; --border: 1px solid var(--line); --control-border: 1px solid var(--secondary);
  --button-height: 52px; --target: 44px; --section-space: clamp(3.5rem, 7vw, 6rem);
  --focus: 3px solid currentColor; --focus-offset: 4px;
  --motion-fast: 180ms; --motion-normal: 320ms; --motion-slow: 600ms;
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
  margin: 0; background: var(--warm); color: var(--graphite);
  font-family: var(--font); font-size: var(--body); line-height: 1.6; font-weight: 400; overflow-wrap: anywhere;
}
.design-prototype .container { width: min(calc(100% - 80px), var(--container)); }
.design-prototype :focus-visible { outline: var(--focus); outline-offset: var(--focus-offset); }
.design-prototype h1, .design-prototype h2, .design-prototype h3 { font-weight: 500; letter-spacing: -.045em; text-wrap: balance; }
.design-prototype h1 { font-size: var(--h1); line-height: 1.04; max-width: none; margin: 0; }
.design-prototype h2 { font-size: var(--h2); line-height: 1.12; margin: 0; }
.design-prototype h3 { font-size: var(--h3); line-height: 1.25; margin: 2rem 0 1rem; letter-spacing: -.025em; }
.design-prototype p { max-width: var(--reading); margin: 0 0 var(--space-3); }
.design-prototype strong { font-weight: 600; }
.design-prototype a { text-decoration-thickness: 1px; text-underline-offset: .22em; transition: text-underline-offset var(--motion-fast), background-color var(--motion-fast), color var(--motion-fast); transition-timing-function: var(--motion-ease); }
.design-prototype a:hover { text-underline-offset: .34em; }
.design-prototype a:active { text-decoration-thickness: 2px; }
.design-prototype .site-header { flex-direction: row; align-items: center; gap: var(--gutter); padding-block: 26px; border-bottom: var(--border); }
.design-prototype .wordmark { font-size: 1.75rem; font-weight: 650; letter-spacing: -.07em; line-height: 1.25; min-width: 0; }
.design-prototype .wordmark span { font-size: .6875rem; font-weight: 400; color: var(--secondary); letter-spacing: 0; margin-top: .5rem; }
.design-prototype .nav-list { gap: 0 .25rem; }
.design-prototype .nav-list a { min-height: var(--target); font-size: var(--small); padding: .65rem .7rem; background: transparent; border-radius: var(--radius); }
.design-prototype .nav-list a:hover { background: var(--white); }
.design-prototype .nav-list .is-section { text-decoration: underline; }
.design-prototype .mobile-navigation { display: none; }
.design-prototype .breadcrumbs { padding-top: 24px; font-size: .8125rem; color: var(--secondary); }
.design-prototype .breadcrumbs a { display: inline-flex; min-height: var(--target); align-items: center; }
.design-prototype .breadcrumbs li { display: flex; align-items: center; }
.design-prototype .design-hero { display: grid; grid-template-columns: repeat(var(--columns), minmax(0, 1fr)); gap: 40px var(--gutter); padding-block: var(--space-6) var(--section-space); }
.design-prototype .design-hero h1 { grid-column: 1 / 10; }
.design-prototype .design-hero.long-title h1 { font-size: var(--h1-long); grid-column: 1 / 11; }
.design-prototype .hero-intro { grid-column: 6 / 13; }
.design-prototype .hero-intro .lead { font-size: var(--body); max-width: var(--reading); }
.design-prototype .hero-intro .actions { margin-top: 2rem; }
.design-prototype .design-hero > .vehicle-diagram { grid-column: 1 / 13; }
.design-prototype .page-home .design-hero > .vehicle-diagram { grid-column: 1 / 6; grid-row: 2; align-self: end; }
.design-prototype .vehicle-diagram { padding: 24px; background: var(--white); }
.design-prototype .vehicle-diagram svg { width: 100%; height: auto; display: block; transition: transform var(--motion-normal) var(--motion-ease); }
.design-prototype .vehicle-diagram .guides { stroke: var(--line); stroke-width: 1; }
.design-prototype .vehicle-body { stroke: var(--graphite); stroke-width: 1.5; stroke-linejoin: round; }
.design-prototype .graphic-panel { fill: var(--graphite); stroke: none; }
.design-prototype .fleet-diagrams { grid-column: 1 / 13; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.design-prototype .fleet-diagrams .vehicle-diagram { padding: 8px; }
.design-prototype .design-section { position: relative; display: grid; grid-template-columns: repeat(var(--columns), minmax(0, 1fr)); gap: var(--space-4) var(--gutter); padding-block: var(--section-space); }
.design-prototype .design-section::before { content: ''; position: absolute; inset: 0 0 auto; height: 1px; background: var(--line); transform-origin: left; }
.design-prototype .design-section > h2 { grid-column: 1 / 6; }
.design-prototype .section-content { grid-column: 7 / 13; min-width: 0; }
.design-prototype .section-content > :last-child { margin-bottom: 0; }
.design-prototype .section-content > h3:first-child { margin-top: 0; }
.design-prototype .section-content ul { padding-left: 1.25rem; margin-block: 1.5rem; }
.design-prototype .section-content li { padding-left: .3rem; margin-block: .85rem; }
.design-prototype .service-navigation-card .section-content { padding-left: var(--space-4); border-left: var(--border); }
.design-prototype .transport-section > h2 { grid-column: 1 / 9; }
.design-prototype .transport-section > .section-content { grid-column: 1 / 13; }
.design-prototype .design-transport-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.design-prototype .design-transport-card { min-width: 0; }
.design-prototype .design-transport-card h3 { margin-top: 1.5rem; }
.design-prototype .design-transport-card p { font-size: var(--body); }
.design-prototype .compact { padding: 12px; }
.design-prototype .transport-outro { padding-top: 1.5rem; border-top: var(--border); margin-top: 2rem; }
.design-prototype .dark-section { background: var(--graphite); color: var(--warm); padding-inline: var(--space-5); margin-block: var(--space-4); }
.design-prototype .dark-section::before { display: none; }
.design-prototype .dark-section p { color: var(--warm); }
.design-prototype .section-diagram { grid-column: 1 / 6; grid-row: 2; align-self: start; }
.design-prototype .technical-section .section-content { grid-row: span 2; }
.design-prototype .deliverables-section ul { list-style: none; padding: 0; }
.design-prototype .deliverables-section li { border-top: var(--border); padding: 1rem 0; margin: 0; }
.design-prototype .production-roles > h2 { grid-column: 1 / 9; }
.design-prototype .production-roles .section-content { grid-column: 1 / 13; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gutter); }
.design-prototype .production-roles p { padding: var(--space-4); background: var(--white); margin: 0; }
.design-prototype .production-roles p:first-child { background: var(--graphite); color: var(--warm); }
.design-prototype .cta-section { padding-block: calc(var(--section-space) * 1.2); }
.design-prototype .cta-section .section-content > p:last-child { font-size: var(--small); color: var(--secondary); margin-top: var(--space-3); }
.design-prototype .dark-section.cta-section .section-content > p:last-child { color: var(--line); }
.design-prototype .button { min-height: var(--button-height); padding: .85rem 1.5rem; border: 1px solid var(--graphite); border-radius: var(--radius); color: var(--white); background: var(--graphite); font: 500 1rem/1.4 var(--font); text-decoration: none; transition: background-color var(--motion-fast), color var(--motion-fast); }
.design-prototype .button:hover { background: var(--secondary); border-color: var(--secondary); }
.design-prototype .button:active { background: var(--warm); color: var(--graphite); }
.design-prototype .button:focus-visible { outline-color: var(--graphite); }
.design-prototype .dark-section .button { background: var(--warm); color: var(--graphite); }
.design-prototype .dark-section .button:hover { background: var(--white); }
.design-prototype .dark-section .button:active { background: var(--line); }
.design-prototype .dark-section .button:focus-visible { outline-color: var(--warm); }
.design-prototype .button:disabled { background: var(--line); border-color: var(--line); color: var(--secondary); cursor: not-allowed; }
.design-prototype .site-footer { border-top: var(--border); padding-block: var(--space-5); background: var(--warm); }
.design-prototype .site-footer .container { display: flex; justify-content: space-between; gap: var(--space-4); }
.design-prototype .site-footer p { max-width: 30ch; font-size: var(--small); margin: 0; }
.design-prototype .skip-link { background: var(--white); color: var(--graphite); font-size: 1rem; top: 0; transform: translateY(-200%); max-width: calc(100% - 2rem); }
.design-prototype .skip-link:focus { top: 1rem; transform: none; }
.design-prototype .design-lab { margin-bottom: var(--space-7); padding: var(--space-5); background: var(--white); border: var(--border); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.design-prototype .design-lab h2 { font-size: 2rem; margin-bottom: 1.5rem; }
.design-prototype .lab-kicker { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--secondary); }
.design-prototype .design-lab p { font-size: var(--small); }
.design-prototype .mock-fields { display: grid; gap: 1.5rem; align-content: start; }
.design-prototype .mock-field label { display: block; font-size: var(--small); margin-bottom: .5rem; }
.design-prototype input { font: inherit; accent-color: var(--graphite); border-radius: var(--radius); }
.design-prototype input:not([type=checkbox]) { display: block; width: 100%; min-height: var(--button-height); border: var(--control-border); padding: .75rem 1rem; color: var(--graphite); background: var(--white); }
.design-prototype input::placeholder { color: var(--secondary); opacity: 1; }
.design-prototype input[aria-invalid=true] { border: 2px solid var(--graphite); }
.design-prototype .field-note { font-size: .8125rem; color: var(--secondary); margin: .5rem 0 0; }
.design-prototype .mock-consent { display: flex; align-items: flex-start; gap: .75rem; font-size: var(--small); min-height: var(--target); cursor: pointer; padding-block: .5rem; }
.design-prototype input[type=checkbox] { flex: 0 0 20px; width: 20px; height: 20px; margin: .15rem 0 0; }
.design-prototype .mock-fields .button { justify-self: start; }
/* Motion is opt-in on intersection. Text is never hidden or animated.
   Without JS, with reduced motion, or with unavailable IO: final static state. */
.design-prototype .vehicle-body { transform-box: view-box; transform-origin: center; }
.design-prototype .graphic-panel { clip-path: inset(0); }
.design-prototype .vehicle-diagram.motion-entered .vehicle-body,
.design-prototype .fleet-diagrams.motion-entered .vehicle-body {
  animation: vehicle-arrive var(--motion-slow) var(--motion-ease) both;
  animation-delay: var(--fleet-delay, 0ms);
}
.design-prototype .vehicle-diagram.motion-entered .guides,
.design-prototype .fleet-diagrams.motion-entered .guides {
  animation: guides-appear var(--motion-normal) var(--motion-ease) both;
  animation-delay: calc(var(--fleet-delay, 0ms) + var(--motion-fast));
}
.design-prototype .vehicle-diagram.motion-entered .graphic-panel,
.design-prototype .fleet-diagrams.motion-entered .graphic-panel {
  animation: design-to-vehicle var(--motion-slow) var(--motion-ease) both;
  animation-delay: calc(var(--fleet-delay, 0ms) + var(--motion-normal));
}
.design-prototype .fleet-diagrams > :nth-child(2) { --fleet-delay: 120ms; }
.design-prototype .fleet-diagrams > :nth-child(3) { --fleet-delay: 240ms; }
.design-prototype .design-section.motion-entered::before { animation: technical-line var(--motion-slow) var(--motion-ease) both; }
.design-prototype .production-roles .section-content { position: relative; }
.design-prototype .production-roles .section-content::after {
  content: ''; position: absolute; left: 25%; right: 25%; bottom: -16px;
  height: 1px; background: var(--secondary); transform-origin: left;
}
.design-prototype .production-roles .section-content::before {
  content: ''; position: absolute; right: 25%; bottom: -18px; width: 5px; height: 5px;
  background: var(--graphite);
}
.design-prototype .production-roles .section-content.motion-entered::after { animation: technical-line var(--motion-slow) var(--motion-ease) both; animation-delay: var(--motion-fast); }
.design-prototype .production-roles .section-content.motion-entered::before { animation: guides-appear var(--motion-normal) var(--motion-ease) both; animation-delay: var(--motion-slow); }
.design-prototype .motion-lab { padding-block: var(--space-5); border-top: var(--border); margin-bottom: var(--space-5); }
.design-prototype .motion-lab h2 { font-size: 2rem; margin-bottom: 1rem; }
.design-prototype .motion-lab p { font-size: var(--small); }
.design-prototype .social-examples { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.design-prototype .social-action { font: inherit; font-size: 1rem; padding: .75rem 1rem; min-height: 48px; border: var(--control-border); border-radius: var(--radius); color: var(--graphite); background: var(--warm); transition: transform var(--motion-fast) var(--motion-ease), background-color var(--motion-fast) var(--motion-ease); }
.design-prototype .social-action:is(:hover, :focus-visible) { transform: translateY(-2px); background: var(--white); }
.design-prototype .social-action:active { transform: none; }
.design-prototype .design-transport-card a { position: relative; top: 0; transition: top var(--motion-fast) var(--motion-ease), text-underline-offset var(--motion-fast) var(--motion-ease); }
.design-prototype .design-transport-card .guides { transform-origin: center; transition: opacity var(--motion-normal) var(--motion-ease), transform var(--motion-normal) var(--motion-ease); }
.design-prototype .design-transport-card { position: relative; }
.design-prototype .design-transport-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px; background: var(--line); transform: scaleX(.15); transform-origin: left; transition: transform var(--motion-normal) var(--motion-ease); }
.design-prototype .design-transport-card:focus-within::after { transform: scaleX(1); }
.design-prototype .button, .design-prototype .nav-list a { transition-timing-function: var(--motion-ease); }
.design-prototype .design-transport-card:focus-within svg { transform: translateX(12px); }
.design-prototype .design-transport-card:focus-within a { top: -2px; text-underline-offset: .34em; }
@media (hover: hover) and (pointer: fine) {
  .design-prototype .design-transport-card:hover svg { transform: translateX(12px); }
  .design-prototype .design-transport-card:hover::after { transform: scaleX(1); }
  .design-prototype .design-transport-card:hover .guides { transform: scaleX(1.025); opacity: .7; }
  .design-prototype .design-transport-card:hover a { top: -2px; text-underline-offset: .34em; }
}
@keyframes vehicle-arrive { from { transform: translateX(-16px); opacity: .45; } to { transform: none; opacity: 1; } }
@keyframes guides-appear { from { opacity: 0; } to { opacity: 1; } }
@keyframes design-to-vehicle { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
@keyframes technical-line { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (max-width: 64rem) {
  .design-prototype { --h1: clamp(2.75rem, 6.2vw, 4rem); --h2: clamp(2rem, 4vw, 2.5rem); }
  .design-prototype .container { width: calc(100% - 48px); }
  .design-prototype .site-header { display: grid; grid-template-columns: 1fr auto; gap: 0; }
  .design-prototype .desktop-navigation { display: none; }
  .design-prototype .mobile-navigation { display: block; grid-column: 1 / -1; padding: 0; border: 0; }
  .design-prototype .mobile-navigation summary { display: flex; justify-content: space-between; gap: 1rem; align-items: center; width: max-content; max-width: 100%; min-height: var(--target); margin: .5rem 0 0 auto; padding: .5rem .75rem; font-size: var(--small); font-weight: 500; }
  .design-prototype .mobile-navigation summary::-webkit-details-marker { display: none; }
  .design-prototype .mobile-navigation[open] summary span { transform: rotate(45deg); }
  .design-prototype .mobile-navigation .nav-list { display: grid; padding-top: 1.5rem; }
  .design-prototype .mobile-navigation .nav-list a { padding: .75rem 0; border-top: var(--border); }
  .design-prototype .design-hero { padding-top: var(--space-5); }
  .design-prototype .design-hero h1, .design-prototype .design-hero.long-title h1 { grid-column: 1 / 13; }
  .design-prototype .hero-intro { grid-column: 5 / 13; }
  .design-prototype .page-home .design-hero > .vehicle-diagram { grid-column: 1 / 5; padding: 8px; }
  .design-prototype .design-section > h2 { grid-column: 1 / 6; }
  .design-prototype .section-content { grid-column: 6 / 13; }
  .design-prototype .transport-section > h2, .design-prototype .production-roles > h2 { grid-column: 1 / 13; }
  .design-prototype .dark-section { padding-inline: var(--space-4); }
  .design-prototype .design-transport-grid { grid-template-columns: 1fr; }
  .design-prototype .design-transport-card { display: grid; grid-template-columns: 1fr 2fr; gap: 0 var(--gutter); border-top: var(--border); padding-top: 1.5rem; }
  .design-prototype .design-transport-card .vehicle-diagram { grid-row: span 2; align-self: start; }
  .design-prototype .design-transport-card h3 { margin-top: 0; }
  .design-prototype .design-lab { padding: var(--space-4); gap: var(--space-4); }
  .design-prototype .site-footer .container { flex-direction: column; }
}
@media (max-width: 40rem) {
  .design-prototype { --body: 1.0625rem; --h1: clamp(2.125rem, 10vw, 2.75rem); --h1-long: clamp(2rem, 9vw, 2.375rem); --h2: clamp(1.75rem, 8vw, 2rem); --section-space: 3.5rem; }
  .design-prototype .container { width: calc(100% - 32px); }
  .design-prototype .site-header { padding-block: 22px; }
  .design-prototype .wordmark { font-size: 1.5rem; }
  .design-prototype .wordmark span { max-width: 24ch; font-size: .625rem; }
  .design-prototype .design-hero { display: flex; flex-direction: column; gap: 2rem; padding-top: 2.5rem; }
  .design-prototype .page-home .design-hero > .vehicle-diagram { align-self: stretch; padding: 12px; }
  .design-prototype .design-section { display: flex; flex-direction: column; gap: 1.75rem; }
  .design-prototype .service-navigation-card .section-content { border-left: 0; padding-left: 0; }
  .design-prototype .design-transport-card { display: block; }
  .design-prototype .design-transport-card h3 { margin-top: 1.5rem; }
  .design-prototype .dark-section { padding-inline: var(--space-3); }
  .design-prototype .vehicle-diagram { padding: 12px; }
  .design-prototype .fleet-diagrams { grid-template-columns: 1fr; gap: 12px; }
  .design-prototype .fleet-diagrams .vehicle-diagram { padding-inline: 24px; }
  .design-prototype .production-roles .section-content { grid-template-columns: 1fr; }
  .design-prototype .production-roles .section-content::after { left: -8px; top: 25%; bottom: 25%; right: auto; width: 1px; height: auto; transform-origin: top; }
  .design-prototype .production-roles .section-content::before { left: -10px; top: 75%; right: auto; bottom: auto; }
  .design-prototype .production-roles .section-content.motion-entered::after { animation-name: production-down; }
  .design-prototype .production-roles p { padding: 24px; }
  .design-prototype .actions { margin-top: 1.5rem; }
  .design-prototype .design-lab { grid-template-columns: 1fr; padding: 24px; margin-bottom: 3.5rem; }
  .design-prototype .mock-fields .button { justify-self: stretch; }
  .design-prototype .site-footer .nav-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 8rem), 1fr)); }
  .design-prototype .site-footer .nav-list a { padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .design-prototype *, .design-prototype *::before, .design-prototype *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .design-prototype .design-transport-card:is(:hover, :focus-within) svg,
  .design-prototype .design-transport-card:is(:hover, :focus-within) .guides { transform: none; opacity: 1; }
  .design-prototype .design-transport-card:is(:hover, :focus-within) a { top: 0; }
  .design-prototype .social-action:is(:hover, :focus-visible) { transform: none; }
  .design-prototype .design-transport-card::after { transform: none; }
}
@keyframes production-down { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@media (forced-colors: active) {
  .design-prototype .button, .design-prototype input { border: 1px solid ButtonText; }
  .design-prototype .vehicle-body { stroke: CanvasText; }
  .design-prototype .graphic-panel { fill: CanvasText; }
}