:root {
  --orange: #ff8436;
  --orange-dark: #bb4812;
  --ink: #202328;
  --muted: #6b7078;
  --line: rgba(32, 35, 40, 0.14);
  --paper: #f6f7f8;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--paper); }
a { color: inherit; }
img { display: block; max-width: 100%; }
.section, #quote-options { scroll-margin-top: 6rem; }
.section { padding: clamp(5rem, 9vw, 8rem) max(1.25rem, calc((100vw - var(--max)) / 2)); }
.section h2 { margin: 0; max-width: 820px; font-size: clamp(2.5rem, 5vw, 5.1rem); line-height: 1; letter-spacing: -.05em; }
.section p { line-height: 1.7; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: var(--white); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header { position: fixed; z-index: 10; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 1rem max(1.25rem, calc((100vw - var(--max)) / 2)); color: var(--white); background: linear-gradient(to bottom, rgba(8,10,13,.82), transparent); transition: padding .25s ease, background .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { padding-top: .72rem; padding-bottom: .72rem; background: rgba(10,12,15,.94); box-shadow: 0 8px 30px rgba(0,0,0,.16); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.brand span { display: grid; line-height: 1; text-transform: uppercase; letter-spacing: .04em; }
.brand strong { font-size: .98rem; }
.brand small { margin-top: .35rem; color: rgba(255,255,255,.72); font-size: .68rem; letter-spacing: .18em; }
nav { display: flex; align-items: center; gap: 1.35rem; }
nav a { font-size: .88rem; font-weight: 650; text-decoration: none; }
.nav-contact { padding: .72rem .15rem; border: 0; }
.nav-contact:hover { color: var(--orange); }
.nav-cta { padding: .75rem 1rem; color: #111; background: var(--orange); border: 1px solid var(--orange); }
.nav-cta:hover { background: #ff9a5c; border-color: #ff9a5c; }
a:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.hero { position: relative; min-height: 760px; height: 100svh; display: grid; align-items: center; overflow: hidden; color: var(--white); background: #111418; }
.hero-image, .hero-overlay { position: absolute; inset: 0; }
.hero-image { background: url("assets/flanges-hero.jpg") center / cover no-repeat; transform: scale(1.025); }
.hero-overlay { background: linear-gradient(90deg, rgba(10,12,15,.95) 0%, rgba(10,12,15,.82) 42%, rgba(10,12,15,.18) 78%), linear-gradient(0deg, rgba(10,12,15,.8), transparent 45%); }
.hero-content { position: relative; z-index: 1; width: min(var(--max), calc(100% - 2.5rem)); margin: auto; padding-bottom: 5rem; }
.eyebrow { margin: 0 0 1.25rem; color: var(--orange); font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { max-width: 850px; margin: 0; font-size: clamp(3.3rem, 7.8vw, 7.2rem); line-height: .91; letter-spacing: -.055em; }
h1 span { color: var(--orange); }
.hero-copy { max-width: 610px; margin: 1.75rem 0 0; color: rgba(255,255,255,.75); font-size: clamp(1rem, 1.6vw, 1.2rem); line-height: 1.65; }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 1.35rem; font-size: .86rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; transition: transform .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--orange); color: #111; }
.button-primary:hover { background: #ff9a5c; }
.button-ghost { border: 1px solid rgba(255,255,255,.28); color: var(--white); }
.button-ghost:hover { background: rgba(255,255,255,.08); }
.hero-specs { position: absolute; z-index: 2; right: max(1.25rem, calc((100vw - var(--max)) / 2)); bottom: 2rem; display: grid; grid-template-columns: repeat(3, auto); gap: 0; border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(14px); background: rgba(20,23,27,.45); }
.hero-specs div { display: grid; gap: .35rem; padding: 1rem 1.35rem; border-right: 1px solid rgba(255,255,255,.16); }
.hero-specs div:last-child { border: 0; }
.hero-specs span { color: rgba(255,255,255,.55); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.hero-specs strong { font-size: .85rem; }
[data-reveal] { opacity: 1; transform: none; }
.motion-ready [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.motion-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.section-grid { display: grid; grid-template-columns: .7fr 2fr; gap: clamp(3rem, 8vw, 8rem); }
.section-label { display: flex; align-items: flex-start; padding-top: .5rem; border-top: 1px solid var(--line); }
.section-label p { margin: 0; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; }
.eyebrow.dark { color: var(--orange-dark); }
.intro-copy > p:last-of-type { max-width: 740px; margin: 2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.industry-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.25rem; }
.industry-list span { padding: .72rem .9rem; border: 1px solid var(--line); font-size: .82rem; font-weight: 700; }
.products { background: var(--white); }
.section-heading { display: grid; grid-template-columns: 1.7fr .8fr; gap: 4rem; align-items: end; }
.section-heading > p { margin: 0 0 .35rem; color: var(--muted); }
.product-feature { display: grid; grid-template-columns: 1.35fr .18fr 1fr; gap: 2rem; align-items: center; margin-top: 4.5rem; padding: 1rem; border: 1px solid var(--line); }
.product-feature figure { height: 390px; margin: 0; overflow: hidden; background: #e9ecef; }
.product-feature img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.22,1,.36,1); }
.product-feature:hover img { transform: scale(1.035); }
.product-index { align-self: stretch; display: grid; place-items: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); color: var(--orange-dark); font-weight: 900; writing-mode: vertical-rl; }
.kicker { margin: 0 0 .7rem; color: var(--orange-dark); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.product-feature h3 { margin: 0; font-size: clamp(2rem, 4vw, 3.8rem); letter-spacing: -.04em; }
.product-feature > div:last-child > p { color: var(--muted); }
.spec-list { list-style: none; margin: 1.8rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.spec-list li { display: grid; grid-template-columns: .8fr 1.4fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.spec-list span { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.spec-list strong { font-size: .88rem; }
.product-cards { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 1rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-cards article { min-height: 245px; padding: 1.35rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-cards span, .process-track span { color: var(--orange-dark); font-size: .72rem; font-weight: 800; }
.product-cards h3 { margin: 3.8rem 0 .7rem; font-size: 1.15rem; }
.product-cards p { margin: 0; color: var(--muted); font-size: .9rem; }
.quality { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; color: var(--white); background: var(--ink); }
.quality-image { position: relative; min-height: 580px; }
.quality-image::before { content: ""; position: absolute; inset: -1.5rem 1.5rem 1.5rem -1.5rem; border: 1px solid rgba(255,132,54,.55); }
.quality-image img { position: relative; width: 100%; height: 580px; object-fit: cover; filter: saturate(.7) contrast(1.08); }
.quality-copy > p { color: rgba(255,255,255,.65); }
.quality-points { margin-top: 2.5rem; border-top: 1px solid rgba(255,255,255,.16); }
.quality-points div { display: grid; grid-template-columns: .5fr 1fr; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.quality-points strong { color: var(--orange); font-size: 1.8rem; }
.quality-points span { color: rgba(255,255,255,.75); font-size: .9rem; }
.process-track { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-track article { min-height: 230px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-track h3 { margin: 4rem 0 .6rem; font-size: 1.15rem; }
.process-track p { margin: 0; color: var(--muted); font-size: .9rem; }
.wide-image { height: clamp(280px, 45vw, 520px); margin: 1rem 0 0; overflow: hidden; background: #e3e5e7; }
.wide-image img { width: 100%; height: 100%; object-fit: cover; }
.catalogue { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(3rem, 8vw, 8rem); align-items: end; color: var(--white); background: var(--orange-dark); }
.catalogue > div > p:last-child { max-width: 680px; color: rgba(255,255,255,.78); }
.catalogue-link { display: grid; gap: .55rem; padding: 1.5rem 0; border-top: 1px solid rgba(255,255,255,.45); border-bottom: 1px solid rgba(255,255,255,.45); text-decoration: none; }
.catalogue-link span { font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; }
.catalogue-link strong { font-size: 1.15rem; }
.catalogue-link b { justify-self: end; font-size: 1.8rem; font-weight: 400; transition: transform .25s ease; }
.catalogue-link:hover b { transform: translate(4px,-4px); }
.contact-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; }
.contact-heading .eyebrow { grid-column: 1; }
.contact-heading h2 { grid-column: 1 / -1; }
.contact-heading > p:last-child { grid-column: 2; max-width: 570px; margin: 1rem 0 0; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 4rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.contact-grid > * { position: relative; display: grid; gap: .7rem; min-height: 150px; padding: 1.35rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.contact-grid span { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; }
.contact-grid strong { align-self: end; font-size: clamp(1rem, 2vw, 1.35rem); }
.contact-grid b { position: absolute; right: 1.35rem; top: 1.2rem; color: var(--orange-dark); font-size: 1.4rem; font-weight: 400; transition: transform .25s ease; }
.contact-grid a:hover { background: var(--white); }
.contact-grid a:hover b { transform: translate(4px,-4px); }
footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; gap: 2rem; padding: 3rem max(1.25rem, calc((100vw - var(--max)) / 2)); color: rgba(255,255,255,.62); background: #15181c; font-size: .8rem; }
.footer-brand { color: var(--white); }
footer p { margin: 0; }
footer p:last-child { text-align: right; }
@media (max-width: 760px) {
  .site-header { background: rgba(10,12,15,.9); }
  nav { gap: .7rem; }
  nav a:not(.nav-cta):not(.nav-contact) { display: none; }
  .nav-contact { padding: .65rem .1rem; }
  .hero { min-height: 760px; height: 100svh; align-items: end; }
  .hero-overlay { background: linear-gradient(0deg, rgba(10,12,15,.98) 12%, rgba(10,12,15,.72) 66%, rgba(10,12,15,.28)); }
  .hero-content { padding: 9rem 0 13rem; }
  .hero-actions { flex-wrap: wrap; }
  .hero-specs { left: 1.25rem; right: 1.25rem; bottom: 1.25rem; grid-template-columns: 1fr; }
  .hero-specs div { padding: .55rem .8rem; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); grid-template-columns: 1fr 1.4fr; align-items: center; }
  .section-grid, .section-heading, .product-feature, .quality, .catalogue, .contact-heading { grid-template-columns: 1fr; }
  .section-label { display: none; }
  .section-heading { gap: 1.5rem; }
  .product-feature { margin-top: 2.5rem; }
  .product-feature figure { height: 280px; }
  .product-index { display: none; }
  .product-cards { grid-template-columns: 1fr; }
  .product-cards article { min-height: 180px; }
  .product-cards h3 { margin-top: 2.4rem; }
  .quality-image, .quality-image img { min-height: 360px; height: 360px; }
  .quality-image::before { inset: -.75rem .75rem .75rem -.75rem; }
  .process-track { grid-template-columns: 1fr 1fr; }
  .process-track h3 { margin-top: 2.4rem; }
  .contact-heading .eyebrow, .contact-heading h2, .contact-heading > p:last-child { grid-column: 1; }
  .contact-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; align-items: start; }
  footer p:last-child { text-align: left; }
}

@media (max-width: 480px) {
  .site-header { padding: .8rem 1rem; }
  .brand { gap: .45rem; }
  .brand img { width: 38px; height: 38px; }
  .brand strong { font-size: .72rem; }
  .brand small { margin-top: .25rem; font-size: .56rem; }
  nav { gap: .45rem; }
  .nav-contact, .nav-cta { padding: .58rem .52rem; font-size: .67rem; white-space: nowrap; }
  .nav-contact { border: 0; }
  h1 { font-size: clamp(3rem, 16vw, 4.4rem); }
  .button { width: 100%; }
  .process-track { grid-template-columns: 1fr; }
}

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