:root {
  --ink: #092d2f;
  --ink-2: #0f4446;
  --green: #54b52b;
  --green-bright: #68d331;
  --paper: #f4f4ef;
  --white: #fff;
  --muted: #637071;
  --line: rgba(9, 45, 47, .16);
  --shadow: 0 24px 70px rgba(1, 25, 26, .16);
  --shell: min(1180px, calc(100% - 48px));
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 16px/1.65 Arial, Helvetica, sans-serif; }
body.nav-open, body.modal-open { overflow: hidden; }
img, video, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding-block: clamp(76px, 9vw, 132px); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 200; top: 12px; left: 12px; padding: 10px 16px; background: var(--white); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.texture-section { color: var(--white); background-color: var(--ink); background-image: linear-gradient(90deg, rgba(4, 43, 44, .88), rgba(4, 43, 44, .76)), url('/assets/texture.jpg'); background-size: cover; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 100px; display: flex; align-items: center; padding: 0 max(24px, calc((100vw - 1180px) / 2)); color: var(--white); transition: background .25s, height .25s, box-shadow .25s; }
.site-header.is-scrolled { height: 78px; background: rgba(5, 40, 42, .96); box-shadow: 0 10px 30px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.brand { width: 154px; margin-right: auto; }
.brand img { width: 100%; height: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
.site-nav a { position: relative; padding-block: 12px; }
.site-nav a:not(.nav-cta)::after { content: ''; position: absolute; inset: auto 0 5px; height: 2px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-nav a:hover::after, .site-nav a[aria-current='page']::after { transform: scaleX(1); }
.nav-cta { border: 1px solid rgba(255,255,255,.36); padding-inline: 18px; }
.nav-cta:hover { border-color: var(--green); background: var(--green); }
.nav-toggle { display: none; border: 0; background: none; padding: 8px; }
.nav-toggle > span:not(.sr-only) { display: block; width: 26px; height: 2px; margin: 5px; background: var(--white); }

.hero { min-height: 100svh; padding: 150px 0 90px; overflow: hidden; }
.hero__inner { position: relative; }
.eyebrow { margin: 0 0 18px; color: var(--green-bright); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero h1, .section-heading h2, .cta h2 { margin: 0; font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif; font-weight: 400; line-height: .95; letter-spacing: .015em; text-transform: uppercase; }
.hero h1 { max-width: 1060px; font-size: clamp(58px, 8.4vw, 126px); }
.hero h1 span { display: inline-block; padding: 0 .08em .05em; color: var(--ink); background: var(--green); }
.hero__lead { max-width: 650px; margin: 30px 0 0; color: rgba(255,255,255,.78); font-size: clamp(18px, 2vw, 24px); }
.hero__actions { display: flex; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 0 24px; border: 1px solid transparent; font-size: 14px; font-weight: 800; letter-spacing: .03em; transition: transform .2s, background .2s, border .2s; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: var(--ink); background: var(--green); }
.button--primary:hover { background: var(--green-bright); }
.button--ghost { color: var(--white); border-color: rgba(255,255,255,.34); }
.button--ghost:hover { border-color: var(--white); }
.hero__media { position: relative; margin-top: 58px; width: min(960px, 92%); box-shadow: var(--shadow); }
.hero__media video { width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; background: #000; }
.hero__stamp { position: absolute; right: -130px; bottom: -38px; width: 210px; aspect-ratio: 1; display: flex; align-items: center; gap: 10px; padding: 28px; border-radius: 50%; color: var(--white); background: var(--green); box-shadow: var(--shadow); transform: rotate(-7deg); }
.hero__stamp strong { font-family: Impact, sans-serif; font-size: 58px; font-weight: 400; line-height: 1; }
.hero__stamp span { font-size: 11px; font-weight: 800; line-height: 1.2; text-transform: uppercase; }

.section-heading { max-width: 850px; margin-bottom: 56px; }
.section-heading h2 { font-size: clamp(48px, 7vw, 92px); }
.section-heading h2 span { color: var(--green); }
.section-heading--light h2 { color: var(--white); }
.section-intro { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 18px; }
.intro__grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(48px, 8vw, 110px); }
.intro__image { position: relative; }
.intro__image::before { content: ''; position: absolute; z-index: -1; inset: 28px -28px -28px 28px; background: var(--green); }
.intro__image img { width: 100%; aspect-ratio: 1.2; object-fit: cover; }
.intro__copy { max-width: 560px; }
.large-copy { color: var(--ink); font-size: clamp(22px, 2.4vw, 32px); font-weight: 700; line-height: 1.3; }
.intro__copy p:not(.large-copy) { color: var(--muted); }
.text-link { display: inline-flex; gap: 20px; margin-top: 16px; color: var(--ink); font-weight: 800; border-bottom: 2px solid var(--green); }

.process-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(42px, 8vw, 100px); align-items: center; }
.process-grid > img { width: 100%; border: 1px solid rgba(255,255,255,.16); box-shadow: var(--shadow); }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 48px 1fr; gap: 20px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.18); }
.steps li:last-child { border-bottom: 1px solid rgba(255,255,255,.18); }
.steps span { color: var(--green-bright); font: 28px/1 Impact, sans-serif; }
.steps strong { font-size: 18px; text-transform: uppercase; }
.steps p { margin: 4px 0 0; color: rgba(255,255,255,.64); }

.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.advantage-grid article { min-height: 330px; padding: 42px; background: var(--paper); }
.advantage-grid article > span { color: var(--green); font: 56px/1 Impact, sans-serif; }
.advantage-grid h3 { margin: 56px 0 12px; font-size: 20px; text-transform: uppercase; }
.advantage-grid p { color: var(--muted); }
.advantage-grid cite { display: block; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-style: normal; font-size: 13px; line-height: 1.5; color: var(--ink); }
.advantage-grid cite span { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }

.partners { background: var(--white); }
.center { text-align: center; margin-inline: auto; }
.partners h2 { max-width: 700px; margin: 0 auto 50px; font-size: clamp(34px, 4vw, 56px); line-height: 1.1; }
.partner-row { display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; gap: 54px; }
.partner-row img { width: 100%; height: 105px; object-fit: contain; filter: grayscale(1); opacity: .7; transition: filter .2s, opacity .2s; }
.partner-row img:hover { filter: none; opacity: 1; }
.cta { padding-block: 78px; }
.cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta h2 { font-size: clamp(44px, 5vw, 72px); }

.site-footer { color: rgba(255,255,255,.72); background: #062729; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 50px; padding-block: 78px 60px; }
.footer-grid h2 { margin: 0 0 20px; color: var(--green-bright); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.footer-grid a, .footer-grid p { display: block; margin: 8px 0; }
.footer-grid a:hover { color: var(--white); }
.footer-brand img { width: 190px; height: auto; }
.footer-brand p { font-weight: 800; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; padding-block: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s; }
[data-reveal].is-visible { opacity: 1; transform: none; }
.lightbox { position: fixed; z-index: 300; inset: 0; display: grid; place-items: center; padding: 60px; background: rgba(0,20,21,.94); }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 86vh; box-shadow: var(--shadow); }
.lightbox__close { position: absolute; top: 18px; right: 24px; border: 0; color: var(--white); background: none; font-size: 48px; cursor: pointer; }

.page-hero { padding: 180px 0 100px; }
.page-hero--compact { padding-bottom: 82px; }
.page-hero__grid { display: grid; grid-template-columns: 1fr .8fr; gap: clamp(42px, 8vw, 100px); align-items: center; }
.page-hero h1 { margin: 0; font: 400 clamp(64px, 9vw, 126px)/.92 Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif; letter-spacing: .01em; text-transform: uppercase; }
.page-hero h1 span { color: var(--green-bright); }
.page-hero p:not(.eyebrow) { max-width: 650px; margin: 26px 0 0; color: rgba(255,255,255,.72); font-size: clamp(18px, 2vw, 23px); }
.page-hero__grid > img { width: 100%; aspect-ratio: 1.18; object-fit: cover; box-shadow: var(--shadow); }
.split-content { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(50px, 8vw, 110px); }
.factor-list article { display: grid; grid-template-columns: 58px 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line); }
.factor-list article:last-child { border-bottom: 1px solid var(--line); }
.factor-list span { color: var(--green); font: 32px/1 Impact, sans-serif; }
.factor-list h3 { margin: 0 0 6px; text-transform: uppercase; }
.factor-list p { margin: 0; color: var(--muted); }
.calculator-section { padding-block: clamp(76px, 9vw, 120px); color: var(--white); background: var(--ink-2); }
.calculator-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(48px, 9vw, 120px); align-items: center; }
.calculator-grid h2, .media-copy h2, .video-story h2, .contact-grid h2, .project-feature h2 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1; text-transform: uppercase; }
.calculator-grid > div > p:not(.eyebrow), .video-story p:not(.eyebrow) { color: rgba(255,255,255,.7); }
.calculator { display: grid; gap: 18px; padding: clamp(28px, 5vw, 52px); color: var(--ink); background: var(--white); box-shadow: var(--shadow); }
.calculator label { font-size: 13px; font-weight: 800; text-transform: uppercase; }
.calculator input[type='range'] { width: 100%; accent-color: var(--green); }
.calculator select { min-height: 50px; padding: 0 14px; border: 1px solid var(--line); color: var(--ink); background: var(--white); }
.calculator output { font-size: 18px; }
.calculator output strong { color: var(--green); font: 42px/1 Impact, sans-serif; }
.estimate { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 10px; padding: 22px 0; border-block: 1px solid var(--line); }
.estimate span { color: var(--muted); font-size: 13px; }
.estimate strong { font-size: 20px; }
.estimate strong span { color: var(--green); font: 36px/1 Impact, sans-serif; }
.media-copy { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 8vw, 100px); align-items: center; }
.media-copy > img { width: 100%; box-shadow: var(--shadow); }
.media-copy p { color: var(--muted); }

.feature-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-detail-grid article { min-height: 310px; padding: clamp(30px, 5vw, 58px); background: var(--paper); }
.feature-detail-grid span { color: var(--green); font: 42px/1 Impact, sans-serif; }
.feature-detail-grid h2 { margin: 58px 0 10px; font-size: 28px; text-transform: uppercase; }
.feature-detail-grid p { max-width: 540px; color: var(--muted); }
.video-story { padding-block: clamp(76px, 9vw, 120px); }
.video-story__grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.video-story video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #000; box-shadow: var(--shadow); }
.video-story__benefits { display: grid; gap: 14px; margin: 34px 0 0; padding: 0; list-style: none; }
.video-story__benefits li { display: grid; gap: 3px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.2); }
.video-story__benefits strong { color: var(--green-bright); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.video-story__benefits span { color: rgba(255,255,255,.68); font-size: 14px; }
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.spec-grid > div { padding: 30px; border-top: 4px solid var(--green); background: var(--white); box-shadow: 0 15px 40px rgba(1,25,26,.07); }
.spec-grid strong { text-transform: uppercase; }
.spec-grid p { color: var(--muted); }

.project-feature { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(50px, 8vw, 100px); align-items: center; }
.project-feature > img { width: 100%; box-shadow: var(--shadow); }
.project-feature p { color: var(--muted); }
.project-feature dl { margin-top: 32px; }
.project-feature dl > div { display: grid; grid-template-columns: 110px 1fr; padding: 12px 0; border-top: 1px solid var(--line); }
.project-feature dt { color: var(--muted); }
.project-feature dd { margin: 0; font-weight: 800; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 90px; }
.gallery button { overflow: hidden; padding: 0; border: 0; background: none; cursor: zoom-in; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .35s; }
.gallery button:hover img { transform: scale(1.045); }
.testimonial-section { padding-block: clamp(76px, 9vw, 120px); }
.testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.testimonial-grid--three { grid-template-columns: repeat(3, 1fr); }
.testimonial-grid blockquote { margin: 0; padding: clamp(32px, 5vw, 56px); border: 1px solid rgba(255,255,255,.17); background: rgba(255,255,255,.05); }
.testimonial-grid blockquote p { margin: 0; font-size: clamp(22px, 2.7vw, 34px); line-height: 1.35; }
.testimonial-grid blockquote footer { margin-top: 28px; color: var(--green-bright); font-size: 13px; font-weight: 800; text-transform: uppercase; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(50px, 8vw, 100px); }
.contact-cards { display: grid; gap: 1px; margin-top: 42px; background: var(--line); border: 1px solid var(--line); }
.contact-cards > * { display: grid; gap: 3px; padding: 22px 24px; background: var(--white); }
.contact-cards > a:hover { background: #edf5e9; }
.contact-cards span { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.project-request { min-height: 540px; padding: clamp(32px, 5vw, 58px); color: var(--white); background: var(--ink); box-shadow: var(--shadow); }
.project-request h2 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1; text-transform: uppercase; }
.project-request > p:not(.eyebrow) { max-width: 520px; color: rgba(255,255,255,.68); }
.project-form { display: grid; gap: 16px; margin-top: 30px; }
.project-form label { display: grid; gap: 7px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.project-form input, .project-form textarea { width: 100%; border: 1px solid rgba(255,255,255,.26); border-radius: 0; padding: 13px 14px; color: var(--ink); background: var(--white); font: 400 16px/1.4 Arial, Helvetica, sans-serif; text-transform: none; }
.project-form textarea { resize: vertical; }
.project-form input:focus, .project-form textarea:focus { outline: 3px solid var(--green-bright); outline-offset: 2px; }
.project-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.project-form .button { justify-self: start; margin-top: 8px; }
.project-form__note, .project-form__status { margin: 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.5; }
.project-form__status:not(:empty) { color: var(--green-bright); font-weight: 800; }
.contact-checklist { padding-block: 70px; }
.contact-checklist ul { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; counter-reset: checklist; }
.contact-checklist li { position: relative; padding: 50px 22px 22px; border: 1px solid rgba(255,255,255,.17); counter-increment: checklist; }
.contact-checklist li::before { content: counter(checklist, decimal-leading-zero); position: absolute; top: 16px; color: var(--green-bright); font: 24px/1 Impact, sans-serif; }

.legal-content { max-width: 900px; }
.legal-content h2 { margin: 58px 0 14px; font-size: 26px; text-transform: uppercase; }
.legal-content > h2:first-child { margin-top: 0; }
.legal-content p { color: #45595a; }
.legal-content a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--green); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.legal-intro { font-size: clamp(21px, 3vw, 30px); line-height: 1.45; }
.legal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 42px 0; background: var(--line); border: 1px solid var(--line); }
.legal-grid p { margin: 0; padding: 24px; background: var(--white); }

@media (max-width: 820px) {
  :root { --shell: min(100% - 32px, 680px); }
  .site-header { height: 78px; padding-inline: 16px; background: rgba(5,40,42,.92); }
  .brand { width: 118px; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; inset: 78px 0 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 28px 24px; background: var(--ink); transform: translateX(100%); visibility: hidden; transition: transform .25s, visibility .25s; }
  .site-nav.is-open { transform: none; visibility: visible; }
  .site-nav a { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 20px; }
  .nav-cta { margin-top: 18px; padding-inline: 18px !important; text-align: center; border: 1px solid var(--green) !important; }
  .hero { min-height: auto; padding: 130px 0 78px; }
  .hero h1 { font-size: clamp(51px, 15vw, 78px); }
  .hero__lead { font-size: 18px; }
  .hero__actions { align-items: stretch; flex-direction: column; }
  .hero__media { width: 100%; margin-top: 42px; }
  .hero__stamp { right: 10px; bottom: -55px; width: 145px; padding: 20px; }
  .hero__stamp strong { font-size: 39px; }
  .section { padding-block: 76px; }
  .section-heading { margin-bottom: 38px; }
  .intro__grid, .process-grid { grid-template-columns: 1fr; gap: 54px; }
  .page-hero { padding: 130px 0 72px; }
  .page-hero__grid, .split-content, .calculator-grid, .media-copy, .video-story__grid, .project-feature, .contact-grid { grid-template-columns: 1fr; }
  .page-hero__grid > img { max-height: 430px; }
  .feature-detail-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .spec-grid, .contact-checklist ul { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); margin-top: 60px; }
  .intro__image::before { inset: 14px -8px -14px 14px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-grid article { min-height: 260px; }
  .advantage-grid h3 { margin-top: 32px; }
  .partner-row { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .cta__inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 48px; }
  .hero__media video { aspect-ratio: 16 / 10; }
  .hero__stamp { position: static; width: auto; aspect-ratio: auto; margin-top: 12px; border-radius: 0; transform: none; }
  .partner-row, .footer-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 58px; }
  .spec-grid, .contact-checklist ul, .legal-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .partner-row img { height: 80px; }
  .footer-bottom { flex-direction: column; }
  .lightbox { padding: 20px; }
}

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

/* 2026 design expansion — industrial motion system */
:root {
  --acid: #75e53a;
  --black-green: #031f21;
}
body { overflow-x: hidden; }
::selection { color: var(--ink); background: var(--acid); }
.scroll-progress { position: fixed; z-index: 500; inset: 0 0 auto; height: 3px; background: rgba(255,255,255,.08); pointer-events: none; }
.scroll-progress span { display: block; width: 100%; height: 100%; background: var(--acid); transform: scaleX(0); transform-origin: left; will-change: transform; }
.header-index { position: absolute; top: 100%; right: max(24px, calc((100vw - 1180px) / 2)); padding-top: 9px; color: rgba(255,255,255,.45); font-size: 9px; font-weight: 800; letter-spacing: .15em; transition: opacity .2s; }
.site-header.is-scrolled .header-index { opacity: 0; }
.site-nav a, .button, .gallery button { outline-offset: 5px; }
.site-nav a:focus-visible, .button:focus-visible, .gallery button:focus-visible, .lightbox button:focus-visible { outline: 3px solid var(--acid); }

.hero { position: relative; isolation: isolate; }
.hero::after { content: '1901'; position: absolute; z-index: -1; right: -2vw; top: 80px; color: rgba(255,255,255,.025); font: 400 min(33vw, 520px)/1 Impact, sans-serif; }
.hero__gridlines { position: absolute; z-index: -1; inset: 0; opacity: .1; background-image: linear-gradient(90deg, transparent calc(100% - 1px), #fff 1px), linear-gradient(0deg, transparent calc(100% - 1px), #fff 1px); background-size: max(80px, 8vw) max(80px, 8vw); mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.hero__meta { display: flex; gap: 26px; margin: 0 0 48px; color: rgba(255,255,255,.5); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero__meta span { display: flex; align-items: center; gap: 26px; }
.hero__meta span:not(:last-child)::after { content: ''; width: 28px; height: 1px; background: var(--green); }
.hero__media { overflow: visible; }
.hero__media::before { content: ''; position: absolute; z-index: 1; inset: 0; border: 1px solid rgba(255,255,255,.16); pointer-events: none; }
.hero__media video { filter: saturate(.8) contrast(1.08); }
.hero__media-label { position: absolute; z-index: 2; left: 0; bottom: 0; padding: 9px 14px; color: var(--white); background: rgba(3,31,33,.88); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero__stamp { z-index: 3; }

.proof-bar { color: var(--white); background: var(--black-green); border-top: 1px solid rgba(255,255,255,.1); }
.proof-bar__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-bar__grid > div { display: grid; align-content: center; min-height: 150px; padding: 24px 30px; border-left: 1px solid rgba(255,255,255,.12); }
.proof-bar__grid > div:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.proof-bar strong { color: var(--acid); font: 400 42px/1 Impact, sans-serif; }
.proof-bar span { margin-top: 8px; color: rgba(255,255,255,.62); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.image-measure span { position: absolute; z-index: 2; left: -18px; top: 50%; padding: 8px 12px; color: white; background: var(--ink); font-size: 9px; font-weight: 800; letter-spacing: .14em; transform: rotate(-90deg) translateX(-50%); transform-origin: left top; }

.process-grid { align-items: start; }
.process-visual { position: sticky; top: 130px; }
.process-visual img { width: 100%; min-height: 520px; object-fit: cover; border: 1px solid rgba(255,255,255,.16); box-shadow: var(--shadow); }
.process-visual__meter { height: 3px; margin-top: 18px; background: rgba(255,255,255,.14); }
.process-visual__meter span { display: block; width: 100%; height: 100%; background: var(--acid); transform: scaleX(.25); transform-origin: left; transition: transform .5s cubic-bezier(.2,.8,.2,1); }
.process-visual small { display: block; margin-top: 12px; color: rgba(255,255,255,.58); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.steps li { min-height: 145px; opacity: .42; transition: opacity .35s, transform .35s, border-color .35s; }
.steps li.is-active { opacity: 1; transform: translateX(10px); border-color: var(--acid); }
.steps li.is-active strong { color: var(--acid); }

.project-preview { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.project-preview h2, .cost-logic h2, .technical-diagram h2, .gallery-heading h2 { margin: 0; font: 400 clamp(44px, 6vw, 82px)/.98 Impact, sans-serif; text-transform: uppercase; }
.project-preview__media { position: relative; }
.project-preview__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; box-shadow: var(--shadow); }
.project-preview__media > div { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 24px; padding: 18px 22px; color: white; background: linear-gradient(transparent, rgba(2,25,26,.94)); }
.project-preview__media span { font-size: 12px; opacity: .7; }
.impact-strip { overflow: hidden; padding: 28px 0; color: var(--ink); background: var(--acid); }
.impact-track { display: flex; width: max-content; align-items: center; gap: 34px; animation: marquee 26s linear infinite; }
.impact-track span { font: 400 35px/1 Impact, sans-serif; text-transform: uppercase; }
.impact-track i { font: normal 32px/1 Arial; }
@keyframes marquee { to { transform: translateX(-50%); } }

.advantage-grid article, .feature-detail-grid article, .spec-grid > div { position: relative; overflow: hidden; }
.advantage-grid article::after, .feature-detail-grid article::after { content: ''; position: absolute; inset: auto 0 0; height: 4px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.advantage-grid article:hover::after, .feature-detail-grid article:hover::after { transform: scaleX(1); }
.feature-detail-grid--enhanced small { display: block; margin-top: 14px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.feature-detail-grid--enhanced h2 { margin-top: 38px; }
.technical-diagram { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 100px); align-items: center; }
.technical-diagram > div > p:last-child { max-width: 560px; color: var(--muted); }
.technical-diagram figure { margin: 0; padding: 14px; background: var(--white); box-shadow: var(--shadow); }
.technical-diagram img { width: 100%; }
.technical-diagram figcaption { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 12px; background: var(--line); }
.technical-diagram figcaption span { padding: 11px; background: var(--paper); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.process-original { padding-block: clamp(76px, 9vw, 120px); }
.process-original__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(50px, 8vw, 100px); align-items: center; }
.process-original img { width: 100%; padding: 14px; background: var(--white); box-shadow: var(--shadow); }
.process-original h2 { margin: 0; font: 400 clamp(42px, 5vw, 70px)/1 Impact, sans-serif; text-transform: uppercase; }
.process-original p:not(.eyebrow) { color: rgba(255,255,255,.68); }

.calculator { position: relative; }
.calculator::before { content: 'PROJEKT / 01'; position: absolute; right: 18px; top: 14px; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .15em; }
.calculator input[type='range'] { height: 4px; }
.calculator__note { margin: 0; color: var(--muted); font-size: 12px; }
.cost-logic { padding-block: clamp(76px, 9vw, 120px); }
.cost-logic__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.cost-comparison { display: grid; gap: 12px; }
.cost-comparison > div { display: grid; grid-template-columns: 130px 1fr repeat(3, 34px); align-items: center; gap: 12px; padding: 24px; border: 1px solid rgba(255,255,255,.16); }
.cost-comparison span { color: rgba(255,255,255,.55); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.cost-comparison i { width: 20px; aspect-ratio: 1; border-radius: 50%; background: #d18065; }
.cost-comparison .is-highlighted { border-color: var(--acid); }
.cost-comparison .is-highlighted i { background: var(--acid); }

.gallery-heading { max-width: 800px; margin: 110px 0 -42px; }
.gallery-heading p:last-child { color: var(--muted); }
.reference-heading { max-width: 760px; margin-top: 120px; }
.reference-heading h2 { margin: 0; font: 400 clamp(44px, 6vw, 82px)/.98 Impact, sans-serif; text-transform: uppercase; }
.reference-heading p:last-child { color: var(--muted); }
.reference-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 44px; background: var(--line); border: 1px solid var(--line); }
.reference-card-grid article { min-height: 300px; padding: 34px; background: var(--white); }
.reference-card-grid span { color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.reference-card-grid h3 { margin: 62px 0 12px; font-size: 22px; text-transform: uppercase; }
.reference-card-grid p { color: var(--muted); }
.reference-directory { max-width: 980px; margin-top: 120px; }
.reference-directory h2 { margin: 0; font: 400 clamp(44px, 6vw, 82px)/.98 Impact, sans-serif; text-transform: uppercase; }
.reference-directory > p:not(.eyebrow) { max-width: 660px; color: var(--muted); }
.reference-directory details { margin-top: 14px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reference-directory summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; cursor: pointer; font-size: 17px; font-weight: 800; text-transform: uppercase; }
.reference-directory summary::-webkit-details-marker { display: none; }
.reference-directory summary span { color: var(--green); font: 32px/1 Impact, sans-serif; transition: transform .2s; }
.reference-directory details[open] summary span { transform: rotate(45deg); }
.reference-directory ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0 0 24px; padding: 1px; list-style: none; background: var(--line); }
.reference-directory li { padding: 13px 15px; background: var(--white); font-size: 14px; }
.result-feature { position: relative; width: min(850px, 86%); margin: 100px 0 0 auto; }
.result-feature img { width: 100%; min-height: 390px; object-fit: cover; box-shadow: var(--shadow); }
.result-feature > div { position: absolute; left: -11%; bottom: 34px; display: grid; gap: 6px; padding: 24px 30px; color: var(--white); background: var(--ink); }
.result-feature span { color: var(--acid); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.result-feature strong { font: 400 clamp(28px, 4vw, 48px)/1 Impact, sans-serif; text-transform: uppercase; }
.gallery button { position: relative; }
.gallery button::after { content: '+'; position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; width: 38px; aspect-ratio: 1; color: var(--ink); background: var(--acid); font-size: 24px; transform: scale(0); transition: transform .25s; }
.gallery button:hover::after, .gallery button:focus-visible::after { transform: scale(1); }
.reference-facts { color: var(--white); background: var(--ink-2); }
.reference-facts__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.reference-facts__grid div { display: grid; min-height: 190px; align-content: center; padding: 30px; border-left: 1px solid rgba(255,255,255,.12); }
.reference-facts__grid div:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.reference-facts strong { color: var(--acid); font: 400 48px/1 Impact, sans-serif; }
.reference-facts span { margin-top: 10px; color: rgba(255,255,255,.65); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.lightbox__controls { position: absolute; inset: auto 50% 18px auto; display: flex; align-items: center; gap: 24px; transform: translateX(50%); }
.lightbox__controls button { width: 48px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.4); color: white; background: transparent; cursor: pointer; }
.lightbox__controls span { min-width: 45px; color: white; text-align: center; }
.contact-promise { display: grid; grid-template-columns: 34px 1fr; gap: 14px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.contact-promise > span { display: grid; place-items: center; width: 30px; height: 30px; color: var(--ink); background: var(--green); border-radius: 50%; font-weight: 900; }
.contact-promise p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.contact-person { display: flex; align-items: center; gap: 16px; margin: 30px 0 0; }
.contact-person img { width: 76px; height: 76px; object-fit: cover; border-radius: 50%; background: var(--white); box-shadow: 0 8px 24px rgba(1,25,26,.12); }
.contact-person figcaption { display: grid; }
.contact-person span { color: var(--muted); font-size: 12px; }
.request-summary { display: grid; gap: 4px; margin-bottom: 28px; padding: 18px; color: var(--ink); background: var(--acid); }
.request-summary span, .request-summary small { font-size: 11px; text-transform: uppercase; }
.footer-brand small { color: rgba(255,255,255,.44); }

@media (max-width: 820px) {
  .header-index { display: none; }
  .hero__meta { margin-bottom: 32px; overflow: hidden; gap: 12px; }
  .hero__meta span { gap: 12px; white-space: nowrap; }
  .hero__meta span:not(:last-child)::after { width: 12px; }
  .proof-bar__grid { grid-template-columns: 1fr 1fr; }
  .proof-bar__grid > div:nth-child(even) { border-right: 1px solid rgba(255,255,255,.12); }
  .project-preview, .technical-diagram, .cost-logic__grid, .process-original__grid { grid-template-columns: 1fr; }
  .process-visual { position: relative; top: auto; }
  .process-visual img { min-height: auto; }
  .steps li { min-height: 120px; opacity: 1; }
  .steps li.is-active { transform: none; }
  .cost-comparison > div { grid-template-columns: 1fr repeat(3, 25px); }
  .cost-comparison span { grid-column: 1 / -1; }
  .reference-facts__grid { grid-template-columns: 1fr; }
  .reference-facts__grid div { min-height: 130px; border-right: 1px solid rgba(255,255,255,.12); }
  .reference-card-grid { grid-template-columns: 1fr 1fr; }
  .reference-directory ul { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .hero__meta span:last-child { display: none; }
  .proof-bar__grid { grid-template-columns: 1fr; }
  .proof-bar__grid > div { min-height: 112px; border-right: 1px solid rgba(255,255,255,.12); }
  .project-preview__media > div { position: static; flex-direction: column; background: var(--ink); }
  .impact-track span { font-size: 28px; }
  .cost-comparison > div { grid-template-columns: 1fr repeat(3, 20px); padding: 18px; }
  .technical-diagram figcaption { grid-template-columns: 1fr; }
  .gallery-heading { margin-top: 80px; }
  .result-feature { width: 100%; margin-top: 70px; }
  .result-feature > div { position: static; }
  .lightbox__controls { bottom: 8px; }
  .reference-card-grid, .project-form__grid, .reference-directory ul { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .impact-track { animation: none; }
  .steps li { opacity: 1; }
}