:root {
  --void: #000;
  --obsidian: #080808;
  --graphite: #171717;
  --iron: #2b2b2b;
  --snow: #fff;
  --ash: #999;
  --slate: #666;
  --accent: #B388FF;
  --display: "Inter Tight", "Arial Narrow", sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--void); color: var(--snow); font-family: var(--body); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
picture { display: contents; }
.page-noise { position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
.section-shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { position: fixed; z-index: 50; top: 10px; left: 50%; transform: translateX(-50%); width: min(calc(100% - 20px), 1220px); height: 58px; padding: 0 10px 0 18px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-radius: 14px; background: rgba(10,10,10,.8); border: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(18px); }
.brand img { width: 122px; height: auto; }
.main-nav { display: flex; gap: 26px; font-size: 13px; }
.main-nav a, .site-footer a { transition: color .25s; }
.main-nav a:hover, .site-footer a:hover { color: var(--accent); }
.header-cta { justify-self: end; }
.menu-toggle { display: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 48px; padding: 0 20px; border-radius: 100px; font-size: 13px; font-weight: 500; transition: transform .25s, background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 38px; padding: 0 16px; gap: 14px; background: var(--snow); color: var(--void); }
.button-primary { background: var(--snow); color: var(--void); }
.button-primary:hover { background: #e7e7e7; }
.button-ghost { border: 1px solid rgba(255,255,255,.25); }
.button-ghost:hover { border-color: rgba(255,255,255,.6); }
.hero { min-height: 100vh; padding-top: clamp(140px, 18vh, 210px); }
.eyebrow, .section-index { color: var(--ash); font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.live-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(179,136,255,.16); }
.hero h1, h2 { margin: 22px 0 0; font-family: var(--display); font-weight: 500; letter-spacing: -.055em; line-height: .88; }
.hero h1 { max-width: 1150px; font-size: clamp(58px, 9.2vw, 112px); }
.hero h1 span, .manifesto h2 span { color: var(--slate); }
.hero-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-top: 44px; }
.hero-bottom > p { max-width: 560px; margin: 0; color: var(--ash); font-size: clamp(15px, 1.6vw, 18px); line-height: 1.45; }
.hero-actions { display: flex; gap: 10px; flex-shrink: 0; }
.vision-stage { position: relative; height: clamp(360px, 53vw, 660px); margin-top: 70px; overflow: hidden; border-radius: 15px; background: var(--graphite); }
.vision-stage::after { content: ""; position: absolute; z-index: 2; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.06) 52%, rgba(0,0,0,.9)); }
.vision-slide { position: absolute; inset: 0; margin: 0; opacity: 0; transform: scale(1.025); transition: opacity 1s ease, transform 1.4s cubic-bezier(.2,.7,.2,1); }
.vision-slide.is-active { opacity: 1; transform: scale(1); }
.vision-slide img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.74) contrast(1.06) brightness(.86); }
.vision-slide[data-scene="gas"] img { object-position: center 54%; }
.vision-slide[data-scene="logistics"] img { object-position: center 52%; }
.vision-slide[data-scene="drive"] img { object-position: center 55%; }
.scan-line { position: absolute; z-index: 2; left: 0; right: 0; top: 20%; height: 1px; background: rgba(179,136,255,.68); box-shadow: 0 0 18px var(--accent); animation: scan 7s ease-in-out infinite; }
@keyframes scan { 50% { top: 75%; opacity: .2; } }
.detection { position: absolute; z-index: 3; padding: 8px; border: 1px solid var(--accent); color: var(--accent); font-size: 8px; display: flex; justify-content: space-between; letter-spacing: .08em; }
.vision-slide[data-scene="gas"] .vehicle { width: 17%; height: 25%; top: 44%; left: 21%; }
.vision-slide[data-scene="gas"] .event { width: 13%; height: 23%; top: 43%; left: 49%; }
.vision-slide[data-scene="logistics"] .vehicle { width: 27%; height: 26%; top: 42%; left: 51%; }
.vision-slide[data-scene="logistics"] .event { width: 10%; height: 17%; top: 47%; left: 38%; }
.vision-slide[data-scene="drive"] .vehicle { width: 29%; height: 30%; top: 56%; left: 17%; }
.vision-slide[data-scene="drive"] .event { width: 17%; height: 24%; top: 28%; left: 64%; }
.detection b { align-self: flex-end; font-weight: 500; }
.stage-label { position: absolute; z-index: 4; left: 20px; right: 20px; bottom: 18px; display: flex; justify-content: space-between; font-size: 9px; letter-spacing: .08em; }
.signal { color: var(--accent); }
.scene-switcher { position: absolute; z-index: 4; left: 50%; bottom: 12px; transform: translateX(-50%); display: flex; gap: 4px; padding: 4px; border: 1px solid rgba(255,255,255,.1); border-radius: 100px; background: rgba(0,0,0,.52); backdrop-filter: blur(12px); }
.scene-switcher button { padding: 8px 13px; border: 0; border-radius: 100px; background: transparent; color: var(--ash); font: 500 10px var(--body); cursor: pointer; transition: color .25s, background .25s; }
.scene-switcher button span { margin-right: 5px; color: var(--slate); font-size: 8px; }
.scene-switcher button.is-active { background: var(--snow); color: var(--void); }
.scene-switcher button.is-active span { color: var(--accent); }
.manifesto { padding-block: 180px; }
.manifesto h2, .section-heading h2, .results h2, .final-cta h2 { font-size: clamp(52px, 7.2vw, 88px); }
.manifesto-copy { width: min(520px, 100%); margin: 45px 0 0 auto; color: var(--ash); font-size: 18px; line-height: 1.45; }
.solutions, .process, .faq { padding-block: 80px 160px; }
.section-heading { display: grid; grid-template-columns: 2fr 1fr; align-items: end; gap: 40px; margin-bottom: 60px; }
.section-heading h2 { margin-top: 16px; }
.section-heading > p { margin: 0 0 6px; max-width: 350px; color: var(--ash); font-size: 15px; line-height: 1.4; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.project-card { position: relative; min-height: 580px; overflow: hidden; border-radius: 15px; background: var(--graphite); }
.project-card.project-wide { grid-column: 1 / -1; min-height: 680px; }
.project-card a { display: block; width: 100%; height: 100%; }
.project-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; filter: saturate(.86) brightness(.94); transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .5s; }
.project-card:hover img { transform: scale(1.035); filter: saturate(1) brightness(.88); }
.project-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0,0,0,.04) 30%, rgba(0,0,0,.86)); }
.project-overlay { position: absolute; z-index: 2; inset: auto 20px 22px; display: grid; grid-template-columns: 45px 1fr 44px; gap: 10px; align-items: end; }
.project-number, .project-overlay p { color: var(--ash); font-size: 9px; letter-spacing: .1em; }
.project-overlay p { margin: 0 0 10px; }
.project-overlay h3 { max-width: 680px; margin: 0; font-family: var(--display); font-size: clamp(25px, 3.2vw, 42px); font-weight: 500; line-height: 1; letter-spacing: -.04em; }
.round-arrow { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--snow); color: var(--void); transition: transform .3s; }
.project-card:hover .round-arrow { transform: rotate(45deg); }
.more-cases { max-width: 630px; margin: 42px 0 0 auto; color: var(--ash); font-size: 15px; line-height: 1.45; }
.more-cases span { display: inline-grid; width: 23px; height: 23px; margin-right: 8px; place-items: center; border: 1px solid var(--iron); border-radius: 50%; color: var(--accent); }
.process-list { border-top: 1px solid var(--iron); }
.process-item { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 40px; align-items: start; padding: 42px 0; border-bottom: 1px solid var(--iron); }
.process-item > span { color: var(--accent); font-size: 10px; }
.process-item h3 { margin: 0; max-width: 440px; font-family: var(--display); font-size: clamp(26px, 3.2vw, 42px); font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.process-item p { margin: 0; max-width: 410px; color: var(--ash); line-height: 1.45; }
.results { background: var(--snow); color: var(--void); }
.results-inner { padding-block: 130px; }
.results .section-index { color: #555; }
.results h2 { max-width: 900px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 100px; }
.metrics div { padding-top: 18px; border-top: 1px solid #bbb; }
.metrics strong { font-family: var(--display); font-size: clamp(58px, 7vw, 94px); font-weight: 500; letter-spacing: -.06em; }
.metrics p { max-width: 190px; margin: 12px 0 0; color: #555; font-size: 13px; line-height: 1.4; }
.faq { padding-top: 160px; }
.faq-list { border-top: 1px solid var(--iron); }
details { border-bottom: 1px solid var(--iron); }
summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 60px 1fr 24px; align-items: center; padding: 28px 0; font-size: clamp(17px, 2vw, 22px); }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--slate); font-size: 10px; }
summary i { position: relative; width: 16px; height: 16px; }
summary i::before, summary i::after { content: ""; position: absolute; top: 7px; left: 1px; width: 14px; height: 1px; background: var(--snow); transition: transform .3s; }
summary i::after { transform: rotate(90deg); }
details[open] summary i::after { transform: rotate(0); }
details > p { max-width: 680px; margin: -5px 0 28px 60px; color: var(--ash); line-height: 1.5; }
.final-cta { padding-block: 190px; text-align: center; }
.final-cta h2 { font-size: clamp(66px, 10vw, 120px); }
.final-cta > p:not(.eyebrow) { margin: 35px auto 25px; color: var(--ash); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 20px; padding-block: 28px; border-top: 1px solid var(--iron); color: var(--ash); font-size: 11px; }
.site-footer p { margin: 0; }
.site-footer > div { display: flex; gap: 20px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .section-shell { width: min(calc(100% - 24px), var(--max)); }
  .site-header { grid-template-columns: 1fr auto; }
  .header-cta { display: none; }
  .menu-toggle { display: block; grid-column: 2; justify-self: end; width: 38px; height: 38px; padding: 11px 8px; border: 0; border-radius: 50%; background: var(--snow); }
  .menu-toggle span { display: block; width: 100%; height: 1px; margin: 4px 0; background: var(--void); transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(2.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-2.5px) rotate(-45deg); }
  .main-nav { position: fixed; top: 66px; left: 0; width: 100%; padding: 26px 20px; display: none; flex-direction: column; gap: 22px; border-radius: 14px; background: #0a0a0a; font-size: 18px; }
  .main-nav.open { display: flex; }
  .hero { padding-top: 145px; }
  .hero h1 br { display: none; }
  .hero-bottom { align-items: stretch; flex-direction: column; margin-top: 34px; }
  .hero-actions { flex-direction: column; }
  .vision-stage { margin-top: 45px; height: 470px; }
  .vision-stage img { object-position: 60% center; }
  .vision-slide[data-scene="gas"] .vehicle { width: 31%; height: 19%; top: 52%; left: 10%; }
  .vision-slide[data-scene="gas"] .event { width: 27%; height: 18%; top: 50%; left: 45%; }
  .vision-slide[data-scene="logistics"] .vehicle { width: 42%; height: 19%; top: 49%; left: 43%; }
  .vision-slide[data-scene="logistics"] .event { width: 24%; height: 14%; top: 49%; left: 17%; }
  .vision-slide[data-scene="drive"] .vehicle { width: 42%; height: 24%; top: 57%; left: 9%; }
  .vision-slide[data-scene="drive"] .event { width: 30%; height: 18%; top: 35%; left: 58%; }
  .scene-switcher { bottom: 48px; }
  .scene-switcher button { padding: 8px 10px; }
  .scene-switcher button span { display: none; }
  .manifesto { padding-block: 120px; }
  .manifesto h2 br { display: none; }
  .manifesto-copy { margin-top: 32px; }
  .solutions, .process, .faq { padding-block: 50px 110px; }
  .section-heading { grid-template-columns: 1fr; margin-bottom: 40px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card, .project-card.project-wide { grid-column: auto; min-height: 520px; }
  .project-overlay { grid-template-columns: 30px 1fr 40px; }
  .process-item { grid-template-columns: 35px 1fr; gap: 20px; }
  .process-item p { grid-column: 2; }
  .metrics { grid-template-columns: 1fr; gap: 55px; margin-top: 70px; }
  .results-inner { padding-block: 95px; }
  .faq { padding-top: 110px; }
  .final-cta { padding-block: 130px; }
  .site-footer { grid-template-columns: 1fr; gap: 28px; }
  .site-footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}