:root { --orange: #eda02c; --black: #0d0d0d; --paper: #f7f5f3; --ink: #171717; --scroll: 0; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; overflow-x: hidden; }
h1, h2, h3 { font-family: Arial, Helvetica, sans-serif; font-weight: 800; letter-spacing: -.045em; text-transform: uppercase; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.scroll-progress { position: fixed; inset: 0 auto auto 0; z-index: 100; height: 3px; width: calc(var(--scroll) * 100%); background: var(--orange); transform-origin: left; }
.section-shell { width: min(1320px, calc(100% - 96px)); margin: 0 auto; }
.eyebrow { margin: 0 0 18px; color: var(--orange); font-size: 13px; line-height: 1.2; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

.brand { display: inline-flex; align-items: center; color: #fff; font-size: clamp(42px, 6vw, 94px); line-height: .85; font-weight: 900; letter-spacing: -.075em; white-space: nowrap; }
.brand__mark { width: .84em; height: .72em; margin-right: .12em; background: var(--orange); box-shadow: inset -.08em 0 #fff; }
.brand__orange { color: var(--orange); }
.brand--compact { font-size: 27px; letter-spacing: -.07em; }

.site-header { position: fixed; z-index: 50; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; height: 76px; padding: 0 48px; color: white; background: linear-gradient(180deg, rgba(0,0,0,.75), transparent); }
.site-header nav { display: flex; gap: 34px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.site-header nav a { opacity: .76; transition: opacity .2s, color .2s; }
.site-header nav a:hover { opacity: 1; color: var(--orange); }
.menu-button { display: none; border: 0; padding: 10px; background: transparent; }

.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; color: white; background: #080808; }
.hero__image { position: absolute; inset: -4%; width: 108%; height: 108%; object-fit: cover; object-position: 54% center; transform: translateY(calc(var(--scroll) * 7vh)) scale(1.04); }
.hero__veil { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,5,5,.92) 0%, rgba(5,5,5,.62) 43%, rgba(5,5,5,.08) 76%), linear-gradient(0deg, rgba(0,0,0,.7), transparent 50%); }
.hero__content { position: relative; z-index: 2; width: min(1320px, calc(100% - 160px)); margin: 0 auto; padding: 21vh 0 10vh; }
.hero h1 { max-width: 900px; margin: 58px 0 52px; font-size: clamp(38px, 5vw, 76px); line-height: .98; letter-spacing: -.045em; text-transform: uppercase; }
.hero h1 span { color: white; font-weight: 400; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero__link { display: inline-flex; align-items: center; gap: 18px; padding: 16px 0; border-bottom: 2px solid var(--orange); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.hero__link span { transition: transform .25s; }
.hero__link:hover span { transform: translateY(5px); }
.hero__side { position: absolute; z-index: 2; right: 28px; top: 50%; margin: 0; writing-mode: vertical-rl; transform: translateY(-50%); color: rgba(255,255,255,.65); font-size: 12px; letter-spacing: .12em; }

.story { height: 100svh; min-height: 720px; display: grid; grid-template-columns: .82fr 1.18fr; color: white; background: var(--black); overflow: hidden; }
.story__image { height: 100%; overflow: hidden; }
.story__image img { width: 100%; height: 100%; object-fit: cover; object-position: 36% center; transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.story:hover .story__image img { transform: scale(1.035); }
.story__copy { display: flex; flex-direction: column; justify-content: center; padding: 76px 4.5vw 36px; }
.story .brand { font-size: clamp(36px, 3.4vw, 50px); }
.story__copy > h2 { max-width: 850px; margin: 22px 0 28px; font-size: clamp(27px, 2.75vw, 42px); line-height: 1; }
.story__copy > h2 span, .story__tasks h3 span { color: var(--orange); }
.story__tasks { max-width: 780px; padding-top: 22px; border-top: 2px solid var(--orange); }
.story__tasks h3 { margin: 0 0 14px; font-size: clamp(26px, 2.65vw, 40px); line-height: .96; }
.story__tasks p { margin: 0 0 13px; font-size: clamp(15px, 1.1vw, 18px); line-height: 1.25; }
.story__tasks ul { margin: 0; padding-left: 21px; font-size: clamp(14px, .98vw, 17px); line-height: 1.34; }

.models { position: relative; background: var(--black); }
.model { display: block; }
.model--light { background: var(--paper); color: var(--ink); }
.model--dark { color: white; }
.model__copy { display: block; padding-top: 120px; padding-bottom: 85px; }
.model h2, .section-heading h2 { margin: 0 0 28px; font-size: clamp(42px, 5vw, 76px); line-height: .95; letter-spacing: -.055em; }
.model h2 span, .section-heading h2 span { color: var(--orange); }
.model__subtitle { margin: 0 0 38px; font-size: clamp(20px, 2vw, 30px); line-height: 1.35; font-weight: 600; }
.model ul { margin: 0; padding-left: 25px; font-size: clamp(18px, 1.65vw, 25px); line-height: 1.5; }
.model__cta { display: inline-flex; align-items: center; gap: 24px; margin-top: 46px; padding: 19px 25px; border: 2px solid var(--orange); color: inherit; background: transparent; font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: color .25s, background .25s; }
.model__cta:hover { color: #111; background: var(--orange); }
.model__cta span { font-size: 20px; transition: transform .25s; }
.model__cta:hover span { transform: translateY(4px); }
.city-models { width: 100%; aspect-ratio: 1.9 / 1; overflow: hidden; background: #151515; }
.city-models img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; }

.section-light { padding: 130px 0 110px; background: #fbfaf9; }
.section-light + .section-light { background: #f0eeeb; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.section-heading > div { max-width: 900px; }
.section-heading .eyebrow { max-width: 640px; color: #555; }
.config-count { margin: 0 0 28px; color: #888; font-weight: 700; letter-spacing: .1em; }
.config-count span { color: var(--orange); font-size: 30px; }
.config-stage { position: relative; min-height: 620px; display: flex; align-items: center; justify-content: center; margin-top: 35px; }
.config-image-wrap { width: min(860px, 72vw); animation: imageIn .55s cubic-bezier(.2,.7,.2,1); }
.config-image-wrap picture { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; }
.config-image { width: 100%; height: 560px; object-fit: contain; filter: drop-shadow(0 32px 22px rgba(0,0,0,.12)); }
@keyframes imageIn { from { opacity: 0; transform: translateX(30px) scale(.98); } to { opacity: 1; transform: none; } }
.config-caption { position: absolute; left: 0; bottom: 58px; display: flex; align-items: flex-start; gap: 16px; max-width: 350px; }
.config-caption strong { display: block; font-size: 21px; margin-bottom: 6px; }
.config-caption p { margin: 0; color: #555; line-height: 1.35; }
.orange-square { flex: 0 0 auto; width: 22px; height: 22px; margin-top: 2px; background: var(--orange); }
.round-arrow { position: absolute; z-index: 2; top: 45%; width: 54px; height: 54px; border: 1px solid #bbb; border-radius: 50%; background: rgba(255,255,255,.75); cursor: pointer; transition: color .2s, border-color .2s, background .2s; }
.round-arrow:hover { color: white; border-color: var(--orange); background: var(--orange); }
.round-arrow--left { left: 0; } .round-arrow--right { right: 0; }
.config-tabs { display: flex; gap: 0; overflow-x: auto; border-top: 1px solid #c8c4be; scrollbar-width: none; }
.config-tabs button { flex: 1 0 145px; min-width: 0; padding: 20px 14px 0 0; border: 0; border-top: 3px solid transparent; color: #777; background: transparent; text-align: left; cursor: pointer; }
.config-tabs button span { display: block; margin-bottom: 8px; font-size: 11px; letter-spacing: .1em; }
.config-tabs button.is-active { color: #111; border-color: var(--orange); font-weight: 700; }

.specifications { padding: 0; background: #fff; }
.specs-viewport { width: 100%; animation: specsIn .4s ease; }
@keyframes specsIn { from { opacity: 0; transform: translateY(12px); } }
.specs-panel { display: grid; grid-template-columns: minmax(0, 1.38fr) minmax(420px, .92fr); }
.specs-table { padding: 60px 64px 90px max(48px, calc((100vw - 1320px) / 2)); }
.specs-table h3, .features-panel h3 { margin: 0 0 40px; font-size: 27px; text-transform: uppercase; }
.specs-table dl { margin: 0; }
.specs-table dl > div { display: grid; grid-template-columns: minmax(240px, .9fr) 1.1fr; gap: 30px; padding: 12px 0; border-bottom: 1px solid #e7e4e0; }
.specs-table dt { font-weight: 800; }
.specs-table dd { margin: 0; line-height: 1.4; white-space: normal; }
.specs-table dd span { display: block; }
.features-panel { padding: 60px max(48px, calc((100vw - 1320px) / 2)) 90px 64px; color: white; background: var(--black); font-size: clamp(17px, 1.18vw, 20px); }
.features-panel h3 { color: var(--orange); line-height: 1.2; }
.features-panel ul { margin: 0; padding-left: 22px; }
.features-panel li { margin-bottom: 30px; line-height: 1.52; }

.contacts { min-height: 86vh; display: flex; align-items: center; color: white; background: var(--black); }
.contacts__inner { width: min(1160px, calc(100% - 120px)); margin: auto; padding: 110px 0 70px; }
.contacts h2 { margin: 78px 0 40px; font-size: clamp(38px, 4.2vw, 62px); }
.contacts__grid { display: grid; grid-template-columns: 150px 1fr; max-width: 650px; font-size: clamp(20px, 2vw, 30px); line-height: 1.35; }
.contacts__grid p { margin: 0 0 28px; }
.contacts strong { color: var(--orange); }
.contacts a { transition: color .2s; }.contacts a:hover { color: var(--orange); }
.contacts__grid a { border-bottom: 1px solid rgba(255,255,255,.42); }
.contacts address { max-width: 680px; margin-top: 20px; font-size: clamp(20px, 2vw, 29px); font-style: normal; line-height: 1.3; }
@media (max-width: 900px) {
  .section-shell { width: min(100% - 40px, 700px); }
  .site-header { height: 66px; padding: 0 20px; }
  .menu-button { z-index: 2; display: grid; gap: 6px; }
  .menu-button span { display: block; width: 24px; height: 2px; background: white; }
  .site-header nav { position: absolute; inset: 0 0 auto; display: none; flex-direction: column; gap: 24px; padding: 92px 28px 36px; background: rgba(8,8,8,.97); }
  .site-header nav.is-open { display: flex; }
  .hero__content { width: calc(100% - 40px); padding-bottom: 9vh; }
  .hero__image { object-position: 57% center; }
  .hero__veil { background: linear-gradient(0deg, rgba(5,5,5,.96) 0%, rgba(5,5,5,.66) 53%, rgba(5,5,5,.1) 90%); }
  .hero h1 { margin: 36px 0 28px; font-size: clamp(34px, 10vw, 54px); }
  .hero__side { display: none; }
  .story { height: auto; min-height: auto; grid-template-columns: 1fr; overflow: visible; }
  .story__image { min-height: 68svh; order: 2; }
  .story__copy { order: 1; padding: 100px 20px 75px; }
  .story__copy > h2 { margin: 45px 0 55px; }
  .model__copy { padding-top: 90px; padding-bottom: 65px; }
  .city-models { aspect-ratio: auto; }
  .city-models img { width: 100%; height: auto; object-fit: contain; }
  .section-light { padding: 90px 0 70px; }
  .section-heading { align-items: flex-start; }
  .section-heading h2 { font-size: 42px; }
  .config-count { display: none; }
  .config-stage { min-height: 0; display: block; margin-top: 22px; outline: none; touch-action: pan-y; }
  .config-image-wrap { width: calc(100% + 40px); height: min(94vw, 430px); margin-left: -20px; overflow: hidden; }
  .config-image { width: 108%; max-width: none; height: 100%; object-position: center; transform: scale(1.06); filter: drop-shadow(0 20px 14px rgba(0,0,0,.12)); }
  .config-caption { position: static; width: 100%; max-width: none; min-height: 76px; margin-top: 16px; gap: 11px; }
  .config-caption .orange-square { width: 16px; height: 16px; }
  .config-caption strong { margin-bottom: 4px; font-size: 17px; }
  .config-caption p { max-width: 34em; font-size: 13px; line-height: 1.32; }
  .round-arrow { top: clamp(145px, 43vw, 194px); width: 46px; height: 46px; border-color: #aaa; background: rgba(255,255,255,.9); }
  .round-arrow--left { left: -8px; } .round-arrow--right { right: -8px; }
  .config-tabs { margin-top: 20px; }
  .specs-panel { grid-template-columns: 1fr; }
  .specs-table { padding: 45px 20px 70px; }
  .features-panel { padding: 55px 20px 70px; }
  .contacts__inner { width: calc(100% - 40px); }
}

@media (max-width: 560px) {
  .brand { font-size: 38px; }
  .brand--compact { font-size: 23px; }
  .hero__content { padding-top: 20vh; }
  .hero__link { font-size: 13px; }
  .story__tasks h3 { font-size: 42px; }
  .model h2 { font-size: 41px; }
  .model__subtitle br { display: none; }
  .model__cta { width: 100%; justify-content: space-between; padding-inline: 18px; }
  .section-heading .eyebrow { font-size: 11px; }
  .section-light { padding-top: 72px; }
  .section-heading h2 { font-size: 36px; }
  .config-stage { margin-top: 12px; }
  .config-image-wrap { height: min(98vw, 390px); }
  .config-image { transform: scale(1.1); }
  .round-arrow { top: clamp(135px, 45vw, 176px); width: 44px; height: 44px; }
  .config-tabs button { flex-basis: 132px; padding-top: 15px; font-size: 13px; }
  .specs-table dl > div { grid-template-columns: 1fr; gap: 6px; padding: 14px 0; }
  .specs-table dd { color: #555; }
  .contacts h2 { margin-top: 80px; }
  .contacts__grid { grid-template-columns: 1fr; }
  .contacts__grid p { margin-bottom: 10px; }
  .contacts__grid p:nth-child(even) { margin-bottom: 26px; }
}

@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; }
}