:root {
  --ink: #11120f;
  --ink-soft: #20221d;
  --paper: #f6f5ef;
  --paper-strong: #ffffff;
  --muted: #67685f;
  --line: #deded5;
  --yellow: #f7c500;
  --yellow-bright: #ffda1f;
  --yellow-deep: #dcae00;
  --slate: #24313a;
  --success: #1b6f50;
  --shadow: 0 18px 45px rgba(17, 18, 15, .13);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --display: "Arial Narrow", "Franklin Gothic Condensed", Impact, "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 99; padding: .65rem 1rem; background: var(--yellow); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.shell { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.section { padding: 6.8rem 0; }
.section--tight { padding: 4.5rem 0; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; color: var(--yellow-deep); font-size: .76rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 2rem; height: 2px; background: currentColor; }
.eyebrow--light { color: var(--yellow-bright); }
.display { margin: .75rem 0 1.2rem; max-width: 12ch; font-family: var(--display); font-size: clamp(2.35rem, 4vw, 4.45rem); font-weight: 900; line-height: .94; letter-spacing: -.045em; text-transform: uppercase; }
.display--wide { max-width: 18ch; }
.lede { max-width: 62ch; margin: 0; color: var(--muted); font-size: 1.08rem; }
.lede--light { color: rgba(255,255,255,.76); }
.rule { width: 100%; height: 1px; background: var(--line); }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(16,17,14,.96); backdrop-filter: blur(12px); }
.site-header__inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 1.4rem; }
.brand { display: inline-flex; align-items: center; min-width: 0; padding: .32rem .56rem; border: 1px solid rgba(247,197,0,.72); border-radius: 4px; background: linear-gradient(135deg, #fffef8, #e9e7de); box-shadow: 0 8px 20px rgba(0,0,0,.28); }
.brand__mark { width: min(190px, 38vw); height: auto; filter: none; }
.main-nav { display: flex; align-items: center; gap: 1.5rem; color: #f9f8f2; font-size: .88rem; font-weight: 750; }
.main-nav a { position: relative; padding: .4rem 0; }
.main-nav a:not(.nav-cta)::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--yellow); transition: width .2s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { width: 100%; }
.nav-cta { padding: .72rem 1rem !important; border: 1px solid var(--yellow); color: var(--yellow); }
.nav-toggle { display: none; border: 0; padding: .5rem; color: #fff; background: transparent; }
.nav-toggle svg { width: 1.8rem; height: 1.8rem; }

.hero { position: relative; overflow: hidden; isolation: isolate; color: #fff; background: var(--ink); }
.hero::after { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .55; background: linear-gradient(90deg, #10110e 0%, rgba(16,17,14,.93) 39%, rgba(16,17,14,.36) 80%), url("img/pvc-office-corridor.jpeg") 70% center / cover; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: auto -5% -54% auto; width: min(55vw, 780px); aspect-ratio: 1; border: 1px solid rgba(247,197,0,.38); border-radius: 50%; box-shadow: 0 0 0 4.5rem rgba(247,197,0,.05), 0 0 0 9rem rgba(247,197,0,.03); }
.hero__inner { display: grid; min-height: 655px; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); align-items: end; gap: 2rem; padding: 8.5rem 0 4.4rem; }
.hero__copy { max-width: 650px; padding-bottom: .5rem; }
.hero .display { max-width: 12.5ch; color: var(--paper-strong); font-size: clamp(3rem, 5.8vw, 5.5rem); line-height: .97; letter-spacing: -.035em; }
.hero__lead { max-width: 57ch; margin: 0 0 2rem; color: rgba(255,255,255,.76); font-size: clamp(1rem, 1.5vw, 1.17rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .55rem; padding: .8rem 1.1rem; border: 1px solid transparent; font-weight: 850; letter-spacing: .01em; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: var(--ink); background: var(--yellow); }
.button--primary:hover { background: var(--yellow-bright); }
.button--light { border-color: rgba(255,255,255,.45); color: #fff; background: rgba(255,255,255,.04); }
.button--dark { color: #fff; background: var(--ink); }
.button--dark:hover { background: var(--ink-soft); }
.button svg { width: 1rem; height: 1rem; }
.hero__aside { align-self: end; justify-self: end; width: min(100%, 350px); padding: 1.45rem; border-top: 3px solid var(--yellow); background: rgba(11,12,10,.8); box-shadow: var(--shadow); }
.hero__aside p { margin: 0; color: rgba(255,255,255,.73); font-size: .92rem; }
.hero__aside strong { display: block; margin-bottom: .3rem; color: var(--yellow); font-family: var(--display); font-size: 1.3rem; letter-spacing: .04em; text-transform: uppercase; }

.trust-strip { background: var(--yellow); }
.trust-strip__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { min-height: 105px; padding: 1.5rem 1.3rem; border-left: 1px solid rgba(17,18,15,.2); }
.trust-item:first-child { border-left: 0; }
.trust-item strong { display: block; font-family: var(--display); font-size: 1.3rem; letter-spacing: .02em; text-transform: uppercase; }
.trust-item span { display: block; margin-top: .12rem; color: rgba(17,18,15,.7); font-size: .86rem; }

.statement { display: grid; grid-template-columns: .78fr 1.22fr; gap: 3.5rem; align-items: start; }
.statement__aside { padding: 1.55rem 0; border-top: 3px solid var(--yellow); }
.statement__aside b { display: block; font-family: var(--display); font-size: 1.35rem; letter-spacing: .02em; text-transform: uppercase; }
.statement__aside p { margin-bottom: 0; color: var(--muted); font-size: .94rem; }
.statement__body .display { max-width: 16ch; }

.solution-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.2rem; margin-top: 3rem; }
.solution-card { position: relative; display: flex; min-height: 310px; grid-column: span 4; align-items: end; overflow: hidden; padding: 1.45rem; color: #fff; background: var(--ink); }
.solution-card:nth-child(1), .solution-card:nth-child(2) { grid-column: span 6; min-height: 390px; }
.solution-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,6,5,.94), rgba(5,6,5,.1) 78%); transition: opacity .28s ease; }
.solution-card:hover::before { opacity: .78; }
.solution-card__image { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.solution-card:hover .solution-card__image { transform: scale(1.045); }
.solution-card__content { position: relative; z-index: 1; }
.solution-card__number { display: block; margin-bottom: .65rem; color: var(--yellow); font-size: .76rem; font-weight: 900; letter-spacing: .13em; }
.solution-card h3 { margin: 0 0 .45rem; font-family: var(--display); font-size: clamp(1.65rem, 2.7vw, 2.35rem); letter-spacing: -.01em; line-height: 1; text-transform: uppercase; }
.solution-card p { max-width: 45ch; margin: 0; color: rgba(255,255,255,.75); font-size: .91rem; }
.solution-card__link { display: inline-flex; gap: .45rem; margin-top: .9rem; color: var(--yellow); font-size: .82rem; font-weight: 900; text-transform: uppercase; }

.process { color: #fff; background: var(--slate); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 3rem; background: rgba(255,255,255,.2); }
.process-step { padding: 1.5rem; background: var(--slate); }
.process-step__number { color: var(--yellow); font-family: var(--display); font-size: 2.3rem; letter-spacing: .03em; }
.process-step h3 { margin: .4rem 0 .5rem; font-size: 1.05rem; }
.process-step p { margin: 0; color: rgba(255,255,255,.66); font-size: .9rem; }

.project-intro { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.project-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 1.2rem; margin-top: 3rem; }
.project { position: relative; min-height: 430px; overflow: hidden; background: var(--ink); }
.project:nth-child(2), .project:nth-child(3) { min-height: 205px; }
.project__image { width: 100%; height: 100%; object-fit: cover; }
.project__caption { position: absolute; right: 0; bottom: 0; left: 0; padding: 1.25rem; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.86)); }
.project__caption span { display: block; margin-bottom: .2rem; color: var(--yellow); font-size: .7rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.project__caption b { display: block; font-family: var(--display); font-size: 1.35rem; letter-spacing: .02em; text-transform: uppercase; }

.brand-note { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2rem; padding: 2rem; border: 1px solid var(--line); background: #eeede6; }
.brand-note h3 { margin: 0; font-family: var(--display); font-size: 2rem; line-height: .95; text-transform: uppercase; }
.brand-note p { margin: 0; color: #4f514a; }
.brand-chips { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.brand-chip { padding: .48rem .7rem; border: 1px solid #cacac1; color: #30312d; background: #fff; font-size: .82rem; font-weight: 850; }

.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 3rem; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; font-weight: 800; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--yellow-deep); font-size: 1.55rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { max-width: 72ch; margin: 0 0 1.25rem; color: var(--muted); font-size: .94rem; }

.cta-band { position: relative; overflow: hidden; color: #fff; background: var(--ink); }
.cta-band::after { content: "Z"; position: absolute; right: -1rem; bottom: -4.9rem; color: rgba(247,197,0,.1); font-family: var(--display); font-size: 24rem; font-weight: 900; line-height: 1; }
.cta-band__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 3.4rem 0; }
.cta-band h2 { max-width: 19ch; margin: .55rem 0 0; font-family: var(--display); font-size: clamp(2rem, 3.4vw, 3.55rem); line-height: .95; letter-spacing: -.025em; text-transform: uppercase; }

.page-hero { color: #fff; background: var(--ink); }
.page-hero__inner { display: grid; grid-template-columns: 1fr .88fr; min-height: 440px; align-items: end; gap: 2rem; padding: 6.2rem 0 3.8rem; }
.page-hero .display { max-width: 13ch; }
.page-hero__image { height: 310px; width: 100%; object-fit: cover; border-top: 4px solid var(--yellow); }
.breadcrumbs { margin-bottom: 1rem; color: rgba(255,255,255,.58); font-size: .81rem; }
.breadcrumbs a:hover { color: var(--yellow); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(290px, .65fr); gap: 4rem; align-items: start; }
.content-grid h2 { margin: 2.2rem 0 .7rem; font-family: var(--display); font-size: 2rem; letter-spacing: -.01em; line-height: 1; text-transform: uppercase; }
.content-grid h2:first-child { margin-top: 0; }
.content-grid p { color: #505149; }
.content-grid ul { padding-left: 1.1rem; color: #505149; }
.content-grid li + li { margin-top: .45rem; }
.info-panel { position: sticky; top: 107px; padding: 1.5rem; border-top: 4px solid var(--yellow); background: #eeede6; }
.info-panel h2 { margin: 0 0 .65rem; font-family: var(--display); font-size: 1.65rem; line-height: 1; text-transform: uppercase; }
.info-panel p { margin: 0 0 1rem; color: #53544d; font-size: .92rem; }
.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: .55rem 0 .55rem 1.4rem; border-top: 1px solid rgba(17,18,15,.12); font-size: .9rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 1rem; width: .55rem; height: .55rem; background: var(--yellow); transform: rotate(45deg); }
.callout { margin: 1.6rem 0; padding: 1.25rem 1.3rem; border-left: 4px solid var(--yellow); background: #f0efe8; color: #4c4d47; }
.image-bleed { width: 100%; margin: 2rem 0; }
.image-bleed img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }
.article-meta { display: flex; flex-wrap: wrap; gap: .7rem 1.2rem; margin: 0 0 1.2rem; color: #73746b; font-size: .86rem; }
.article-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-top: 2.5rem; }
.article-card { display: flex; min-height: 100%; flex-direction: column; padding: 1.4rem; border: 1px solid var(--line); background: #fff; }
.article-card span { color: var(--yellow-deep); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.article-card h2 { margin: .55rem 0; font-family: var(--display); font-size: 1.55rem; line-height: .97; text-transform: uppercase; }
.article-card p { margin: 0 0 1.2rem; color: var(--muted); font-size: .91rem; }
.article-card a { margin-top: auto; color: var(--ink); font-size: .83rem; font-weight: 900; }

.reference-filter { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2rem 0; }
.filter-button { padding: .6rem .9rem; border: 1px solid #cfcfc5; color: var(--ink); background: #fff; font-size: .82rem; font-weight: 800; }
.filter-button[aria-pressed="true"], .filter-button:hover { border-color: var(--ink); color: #fff; background: var(--ink); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery-item { min-height: 300px; }
.gallery-item.is-hidden { display: none; }
.gallery-item figure { height: 100%; margin: 0; overflow: hidden; background: var(--ink); }
.gallery-item img { height: 240px; width: 100%; object-fit: cover; transition: transform .35s ease; }
.gallery-item figure:hover img { transform: scale(1.045); }
.gallery-item figcaption { padding: .9rem 1rem 1.05rem; color: #fff; background: var(--ink); }
.gallery-item figcaption span { display: block; color: var(--yellow); font-size: .7rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.gallery-item figcaption b { font-family: var(--display); font-size: 1.3rem; letter-spacing: .02em; text-transform: uppercase; }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 3rem; align-items: start; }
.contact-card { padding: 1.6rem; border-top: 4px solid var(--yellow); background: var(--ink); color: #fff; }
.contact-card h2 { margin: .5rem 0 .7rem; font-family: var(--display); font-size: 2rem; line-height: .95; text-transform: uppercase; }
.contact-card p { color: rgba(255,255,255,.7); }
.contact-card ul { padding: 0; margin: 1.3rem 0 0; list-style: none; }
.contact-card li { padding: .65rem 0; border-top: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.83); }
.contact-form { padding: clamp(1.25rem, 3vw, 2.2rem); border: 1px solid var(--line); background: #fff; }
.contact-form h2 { margin: 0 0 .45rem; font-family: var(--display); font-size: 2.15rem; line-height: .95; text-transform: uppercase; }
.contact-form > p { margin-top: 0; color: var(--muted); }
.contact-email-button { max-width: 100%; overflow-wrap: anywhere; }
.contact-address { display: grid; gap: .35rem; margin: 1.8rem 0 0; padding-top: 1.25rem; border-top: 1px solid var(--line); color: var(--muted); font-style: normal; line-height: 1.55; }
.contact-address strong { color: var(--ink); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .42rem; }
.field--wide { grid-column: 1/-1; }
.field label { font-size: .8rem; font-weight: 850; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid #cfcfc5; border-radius: 0; padding: .75rem .8rem; color: var(--ink); background: #fbfbf8; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 3px solid rgba(247,197,0,.45); outline-offset: 1px; border-color: var(--yellow-deep); }
.form-message { min-height: 1.5em; margin: 1rem 0 0; color: var(--success); font-size: .88rem; font-weight: 700; }

.site-footer { color: #eee; background: #090a08; }
.site-footer__grid { display: grid; grid-template-columns: 1.3fr .75fr .8fr; gap: 3rem; padding: 4rem 0 2.7rem; }
.footer-logo { width: min(240px, 100%); margin-bottom: 1rem; padding: .38rem .55rem; border: 1px solid rgba(247,197,0,.68); border-radius: 4px; background: linear-gradient(135deg, #fffef8, #e9e7de); }
.site-footer p { margin: 0; color: rgba(255,255,255,.61); font-size: .91rem; }
.site-footer h2 { margin: 0 0 1rem; color: var(--yellow); font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; }
.footer-links { display: grid; gap: .55rem; color: rgba(255,255,255,.78); font-size: .9rem; }
.footer-links a:hover { color: var(--yellow); }
.footer-legal { display: flex; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.48); font-size: .78rem; }
.footer-legal a { color: rgba(255,255,255,.72); font-weight: 800; }
.footer-legal a:hover { color: var(--yellow); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header__inner { min-height: 72px; }
  .main-nav { position: fixed; top: 72px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 1rem 1.5rem 1.4rem; border-bottom: 1px solid rgba(255,255,255,.12); background: var(--ink); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: .85rem 0; }
  .main-nav .nav-cta { margin-top: .5rem; text-align: center; }
  .nav-toggle { display: inline-flex; }
  .hero__inner, .page-hero__inner { grid-template-columns: 1fr; }
  .hero__inner { min-height: auto; padding: 7rem 0 2.5rem; }
  .hero__aside { justify-self: start; }
  .trust-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: 0; }
  .statement, .faq-layout, .content-grid, .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
  .info-panel { position: static; }
  .solution-card, .solution-card:nth-child(1), .solution-card:nth-child(2) { min-height: 310px; grid-column: span 6; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project:first-child { grid-column: 1/-1; }
  .brand-note { grid-template-columns: 1fr; }
  .article-card-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .site-footer__grid > :first-child { grid-column: 1/-1; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 2rem, 1180px); }
  .section { padding: 4.5rem 0; }
  .section--tight { padding: 3.5rem 0; }
  .brand { padding: .26rem .44rem; }
  .brand__mark { width: min(150px, 43vw); }
  .hero .display { max-width: 14ch; font-size: clamp(2.35rem, 10vw, 3.25rem); line-height: .98; }
  .hero__actions .button { width: 100%; }
  .trust-strip__inner { grid-template-columns: 1fr; }
  .trust-item, .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(17,18,15,.2); }
  .trust-item:first-child { border-top: 0; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card, .solution-card:nth-child(1), .solution-card:nth-child(2) { grid-column: span 1; min-height: 310px; }
  .process-grid, .project-grid, .article-card-grid, .gallery { grid-template-columns: 1fr; }
  .project, .project:nth-child(2), .project:nth-child(3) { min-height: 310px; }
  .project:first-child { grid-column: auto; }
  .cta-band__inner, .project-intro, .footer-legal { align-items: flex-start; flex-direction: column; }
  .cta-band__inner { padding: 2.8rem 0; }
  .page-hero__inner { min-height: auto; padding: 5.3rem 0 2.8rem; }
  .page-hero__image { height: 200px; }
  .form-grid { grid-template-columns: 1fr; }
  .field--wide { grid-column: auto; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__grid > :first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
