:root {
  --orange: #ff6500;
  --text: #f5f5f5;
  --muted: #d4d4d4;
  --panel: rgba(8, 8, 8, .74);
  --panel-strong: rgba(7, 7, 7, .90);
  --line: rgba(255,255,255,.15);
  --wrap: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #0d0d0d;
  line-height: 1.5;
}
.fixed-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: #090909;
  background-image: url('assets/industrial-background.png');
  background-position: center top;
  background-size: cover;
  background-repeat: no-repeat;
}
.fixed-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.16), rgba(0,0,0,.34));
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: min(calc(100% - 40px), var(--wrap)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,7,7,.93);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 26px; }
.logo { display: flex; flex-direction: column; line-height: 1; text-transform: uppercase; letter-spacing: .08em; }
.logo span { font-size: 28px; font-weight: 900; }
.logo b { color: var(--orange); }
.logo small { margin-top: 7px; letter-spacing: .34em; font-size: 10px; }
.nav { margin-left: auto; display: flex; gap: 28px; align-items: center; }
.nav a { text-transform: uppercase; font-size: 12px; font-weight: 800; padding: 10px 0; position: relative; }
.nav a.active::after { content:""; height: 2px; background: var(--orange); position:absolute; left:0; right:0; bottom:0; }
.header-cta { border: 1px solid var(--orange); padding: 15px 24px; text-transform: uppercase; font-size: 12px; font-weight: 800; }
.menu-button { display: none; margin-left: auto; background: transparent; color: white; border: 1px solid var(--line); width: 44px; height: 44px; font-size: 22px; }
.hero { padding: 56px 0 0; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 54px;
  align-items: center;
  padding: 34px;
  background: rgba(8,8,8,.40);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 28px 70px rgba(0,0,0,.28);
}
.hero-copy { min-width: 0; }
.kicker { margin: 0 0 12px; color: var(--orange); text-transform: uppercase; font-size: 13px; font-weight: 900; letter-spacing: .05em; }
h1 { margin: 0; font-size: clamp(50px, 4.9vw, 78px); line-height: .92; letter-spacing: -.035em; text-transform: uppercase; font-weight: 900; }
.intro { margin: 24px 0 0; color: var(--muted); font-size: 17px; max-width: 560px; }
.actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.btn { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; text-transform: uppercase; font-weight: 900; font-size: 12px; letter-spacing: .03em; }
.primary { background: var(--orange); }
.secondary { background: rgba(7,7,7,.72); border: 1px solid var(--line); }
.workshop { margin: 0; min-width: 0; height: 470px; width: 94%; justify-self: end; overflow: hidden; border: 1px solid rgba(255,255,255,.14); background: #0a0a0a; box-shadow: 0 18px 50px rgba(0,0,0,.38); }
.workshop img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--panel-strong);
  border: 1px solid var(--line);
  margin-top: 22px;
}
.service-grid article { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 28px; border-right: 1px solid var(--line); }
.service-grid article:last-child { border-right: 0; }
.service-grid h2 { margin: 0 0 8px; font-size: 20px; text-transform: uppercase; }
.service-grid p { margin: 0; font-size: 14px; color: var(--muted); }
.service-grid a { display:inline-block; margin-top: 14px; color: var(--orange); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.icon { font-size: 38px; color: var(--orange); line-height: 1; }
.quality { padding: 58px 0 0; }
.quality-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.stamp { width: 180px; aspect-ratio: 1; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.18); color: rgba(255,255,255,.22); font-size: 54px; font-weight: 900; transform: rotate(-4deg); }
.quality-card h2, .appointment-card h2 { margin: 0; text-transform: uppercase; font-size: clamp(36px, 4vw, 58px); line-height: 1; }
.quality-card > div > p:not(.kicker), .appointment-card p { color: var(--muted); }
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
.trust span { border-left: 2px solid var(--orange); padding-left: 12px; text-transform: uppercase; font-size: 11px; font-weight: 900; }
.appointment { padding: 24px 0 58px; }
.appointment-card { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 34px 40px; background: var(--panel-strong); border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(0,0,0,.24); }
footer { background: transparent; padding: 0 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; gap: 36px; padding: 34px 40px; background: var(--panel-strong); border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(0,0,0,.28); }
.footer-grid h3 { margin: 0 0 12px; text-transform: uppercase; font-size: 14px; }
.footer-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.footer-logo { margin-bottom: 16px; }
@media (max-width: 940px) {
  .nav, .header-cta { display: none; }
  .menu-button { display: block; }
  .nav.open { display: flex; position: absolute; top: 82px; left: 20px; right: 20px; flex-direction: column; align-items: stretch; gap: 8px; background: #0a0a0a; border: 1px solid var(--line); padding: 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .workshop { height: 430px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-grid article:last-child { border-bottom: 0; }
  .quality-card { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .wrap { width: min(calc(100% - 24px), var(--wrap)); }
  .header-inner { min-height: 72px; }
  .logo span { font-size: 23px; }
  .hero { padding-top: 24px; }
  .hero-grid { padding: 18px; }
  h1 { font-size: clamp(48px, 15vw, 66px); }
  .workshop { height: 300px; }
  .actions, .appointment-card { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .quality-card { padding: 24px 18px; }
  .stamp { width: 130px; }
  .trust { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}