:root {
  --ink: #101820;
  --ink-soft: #25323d;
  --paper: #f4f1eb;
  --paper-warm: #e9e4dc;
  --white: #fff;
  --accent: #ef6c24;
  --accent-dark: #c94c0b;
  --steel: #8ea0ad;
  --line: rgba(16, 24, 32, 0.14);
  --shadow: 0 22px 70px rgba(5, 13, 20, 0.16);
  --radius: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 16px; background: var(--accent); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  color: white;
  border-bottom: 1px solid rgba(255,255,255,.14);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(10,18,25,.94); box-shadow: 0 10px 40px rgba(0,0,0,.22); backdrop-filter: blur(18px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-copy { display: grid; line-height: 1; letter-spacing: .04em; text-transform: uppercase; }
.brand-copy strong { font-size: 16px; }
.brand-copy small { margin-top: 5px; color: var(--steel); font-size: 10px; letter-spacing: .17em; }
.site-nav { display: flex; gap: 28px; margin-left: auto; font-size: 14px; }
.site-nav a { color: rgba(255,255,255,.78); transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: white; }
.menu-button { display: none; border: 0; background: transparent; color: white; padding: 8px; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover, .button:focus-visible { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 0 18px; font-size: 13px; }
.button-ghost { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.4); }
.button-ghost:hover { background: white; border-color: white; color: var(--ink); }

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background: #0b141b;
}
.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7,13,18,.98) 0%, rgba(7,13,18,.81) 38%, rgba(7,13,18,.2) 76%, rgba(7,13,18,.42) 100%),
    linear-gradient(0deg, rgba(7,13,18,.82), transparent 50%),
    url('/assets/factory-hero.png') center / cover;
  transform: scale(1.01);
}
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, #000, transparent 75%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 760px) 1fr; gap: 40px; align-items: end; padding-top: 120px; }
.eyebrow { margin: 0 0 18px; color: #f3a06f; font-size: 12px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow.dark { color: var(--accent-dark); }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(48px, 6.7vw, 90px); line-height: .98; letter-spacing: -.055em; }
.hero h1 span { color: var(--accent); }
.hero-lead { max-width: 690px; margin: 28px 0 0; color: rgba(255,255,255,.75); font-size: clamp(17px, 2vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-fact { justify-self: end; width: 210px; padding: 22px 0 0 22px; border-top: 1px solid rgba(255,255,255,.4); border-left: 1px solid rgba(255,255,255,.4); }
.fact-number { display: block; color: var(--accent); font-size: 52px; font-weight: 800; line-height: 1; }
.fact-label { display: block; margin-top: 8px; color: rgba(255,255,255,.65); font-size: 13px; }
.scroll-cue { position: absolute; z-index: 2; bottom: 30px; left: 50%; width: 28px; height: 44px; border: 1px solid rgba(255,255,255,.35); border-radius: 20px; }
.scroll-cue span { position: absolute; top: 9px; left: 50%; width: 4px; height: 8px; border-radius: 4px; background: white; transform: translateX(-50%); animation: scroll 1.7s infinite; }
@keyframes scroll { 0% { opacity: 0; transform: translate(-50%,0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%,14px); } }

.section { padding: 110px 0; }
.split-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 9vw; }
.section-heading h2, .advantages h2, .heritage h2, .contacts h2 { margin: 0; font-size: clamp(36px, 5vw, 62px); line-height: 1.05; letter-spacing: -.045em; }
.intro-copy { max-width: 710px; }
.intro-copy p { color: #52606b; }
.intro-copy .large-copy { margin-top: 2px; color: var(--ink); font-size: clamp(20px, 2.4vw, 28px); line-height: 1.42; }
.feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 46px; border-top: 1px solid var(--line); }
.feature-strip div { padding: 24px 16px 0 0; }
.feature-strip div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.feature-strip strong { display: block; color: var(--accent-dark); font-size: 29px; }
.feature-strip span { display: block; margin-top: 5px; color: #66727b; font-size: 12px; line-height: 1.35; }

.production { color: white; background: var(--ink); }
.section-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 54px; }
.section-heading-row > p { max-width: 430px; margin: 0; color: #99a6af; }
.production-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.production-card { position: relative; min-height: 520px; display: flex; flex-direction: column; padding: 34px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); background: linear-gradient(150deg, #1b2832, #121c24); transition: transform .25s ease, border-color .25s ease; }
.production-card:hover { transform: translateY(-8px); border-color: rgba(239,108,36,.72); }
.production-card::after { content: ""; position: absolute; right: -90px; bottom: -110px; width: 250px; height: 250px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 30px rgba(255,255,255,.025), 0 0 0 70px rgba(255,255,255,.018); }
.card-accent { background: linear-gradient(155deg, #f27932, #bd3e08); }
.card-accent::after { border-color: rgba(255,255,255,.18); }
.card-number { color: rgba(255,255,255,.42); font-size: 12px; letter-spacing: .14em; }
.card-icon { margin: 58px 0 24px; color: #f7a572; font-size: 52px; line-height: 1; }
.card-accent .card-icon { color: white; }
.production-card h3 { position: relative; z-index: 1; margin: 0; font-size: 27px; line-height: 1.15; }
.production-card p { position: relative; z-index: 1; color: rgba(255,255,255,.66); }
.card-accent p { color: rgba(255,255,255,.84); }
.production-card ul { position: relative; z-index: 1; margin: auto 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.14); list-style: none; color: rgba(255,255,255,.72); font-size: 13px; }
.production-card li { margin-top: 8px; padding-left: 18px; }
.production-card li::before { content: "—"; margin-left: -18px; margin-right: 7px; color: #f5a174; }
.card-accent li::before { color: white; }

.advantages { background: var(--paper-warm); }
.advantages-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; }
.advantages-copy { position: sticky; top: 120px; align-self: start; }
.advantages-copy p:not(.eyebrow) { max-width: 470px; color: #596771; }
.text-link { display: inline-flex; gap: 16px; margin-top: 24px; color: var(--accent-dark); font-weight: 800; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.advantage { display: grid; grid-template-columns: 52px 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.advantage:first-child { border-top: 1px solid var(--line); }
.advantage > span { color: var(--accent-dark); font-size: 12px; font-weight: 800; }
.advantage h3 { margin: -5px 0 7px; font-size: 23px; }
.advantage p { margin: 0; color: #64717a; }

.heritage { position: relative; overflow: hidden; color: white; background: #131e27; }
.heritage::before { content: ""; position: absolute; inset: 0; opacity: .24; background: radial-gradient(circle at 85% 50%, var(--accent), transparent 31%), repeating-linear-gradient(115deg, transparent 0 48px, rgba(255,255,255,.035) 49px 50px); }
.heritage-inner { position: relative; max-width: 860px; margin-left: max(20px, calc((100% - var(--container))/2)); }
.heritage-inner > p:not(.eyebrow) { max-width: 760px; color: #afbbc3; font-size: 18px; }
.heritage-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.heritage-tags span { padding: 9px 14px; border: 1px solid rgba(255,255,255,.18); color: #ced6dc; font-size: 12px; }

.contacts { color: white; background: #0b131a; }
.contacts-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 9vw; }
.contacts-copy > p:not(.eyebrow) { max-width: 590px; color: #9daab3; }
.contact-details { display: grid; gap: 20px; margin-top: 42px; }
.contact-details a, .contact-details div { display: grid; gap: 4px; }
.contact-details small { color: #81909a; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.contact-details strong { font-size: 18px; font-weight: 600; }
.contact-details a:hover strong { color: #f39258; }
.contact-form { padding: 34px; border: 1px solid rgba(255,255,255,.13); background: #15222c; box-shadow: var(--shadow); }
.contact-form h3 { margin: 0 0 24px; font-size: 25px; }
.contact-form label { display: grid; gap: 7px; margin-top: 16px; color: #aeb9c0; font-size: 12px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 14px; border: 1px solid #42515d; border-radius: 3px; outline: none; color: white; background: #0f1a22; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(239,108,36,.16); }
.contact-form .button { width: 100%; margin-top: 20px; }
.form-note { margin: 12px 0 0; color: #798893; font-size: 11px; }

.site-footer { padding: 28px 0; color: #8f9ca5; background: #070d12; font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-footer { color: white; }
.site-footer a:last-child:hover { color: white; }
.toast { position: fixed; z-index: 80; right: 20px; bottom: 20px; max-width: 360px; padding: 14px 18px; border-radius: 4px; background: white; box-shadow: var(--shadow); transform: translateY(30px); opacity: 0; pointer-events: none; transition: .25s ease; }
.toast.show { transform: translateY(0); opacity: 1; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .header-action { display: none; }
  .site-nav { gap: 18px; }
  .hero { min-height: 700px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-fact { justify-self: start; width: 180px; margin-top: 20px; }
  .split-grid, .advantages-grid, .contacts-grid { grid-template-columns: 1fr; gap: 52px; }
  .advantages-copy { position: static; }
  .production-grid { grid-template-columns: 1fr; }
  .production-card { min-height: 390px; }
  .card-icon { margin-top: 34px; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .site-header { background: rgba(10,18,25,.92); backdrop-filter: blur(14px); }
  .header-inner { min-height: 68px; }
  .menu-button { display: block; margin-left: auto; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 68px 0 auto; display: grid; gap: 0; padding: 16px 20px 24px; background: rgba(10,18,25,.98); border-top: 1px solid rgba(255,255,255,.1); transform: translateY(-130%); opacity: 0; pointer-events: none; transition: .25s ease; }
  .site-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 16px; }
  .hero { min-height: 760px; }
  .hero-media { background-position: 63% center; }
  .hero-grid { padding-top: 100px; align-items: center; }
  .hero h1 { font-size: clamp(43px, 13vw, 67px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-fact { display: none; }
  .scroll-cue { display: none; }
  .section { padding: 76px 0; }
  .section-heading-row { display: grid; gap: 20px; }
  .feature-strip { grid-template-columns: 1fr; }
  .feature-strip div { padding: 18px 0; }
  .feature-strip div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .production-card { min-height: 430px; padding: 26px; }
  .heritage-inner { margin-left: auto; }
  .contact-form { padding: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@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; }
}