:root {
  --color-primary: #f5c400;
  --color-primary-dark: #cfa300;
  --color-secondary: #111111;
  --color-accent: #f5c400;
  --text-light: #f7f7f7;
  --text-muted: #a9a9a9;
  --font-base: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: #1b1b1b;
  background-color: #f5f5f5;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.top-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 32px;
  background-color: var(--color-primary);
  color: #111;
  font-size: 0.85rem;
}

.language-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.language-switcher button {
  border: none;
  background: none;
  font: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.language-switcher img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.language-menu {
  position: absolute;
  top: 120%;
  left: 0;
  display: none;
  min-width: 140px;
  padding: 12px 0;
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.language-menu.is-visible {
  display: block;
}

.language-menu a {
  display: block;
  padding: 8px 16px;
  color: #333;
  font-size: 0.85rem;
}

.language-menu a:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

.top-bar .search-wrapper {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 999px;
  padding: 4px 12px 4px 16px;
}

.top-bar .search-wrapper input {
  flex: 1;
  border: none;
  outline: none;
  padding: 6px 4px;
  font-size: 0.9rem;
}

.top-bar .search-wrapper button {
  border: none;
  background: var(--color-secondary);
  color: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.top-bar .quote-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.top-bar .quote-link span {
  background: var(--color-secondary);
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background-color: var(--color-secondary);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand-logo img {
  width: 150px;
  height: auto;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--text-light);
  padding-bottom: 6px;
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 1rem;
}

.hero {
  position: relative;
  background: url('../img/hero-mining.svg') center/cover no-repeat;
  min-height: 420px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 16px 80px;
}

.page-hero {
  position: relative;
  min-height: 360px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 16px 90px;
  background: url('../img/hero-construction.svg') center/cover no-repeat;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.32);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.page-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-hero-content p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #e4e4e4;
}

.page-hero--bright::after {
  background: rgba(0, 0, 0, 0.26);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.6;
  margin: 0;
  color: #e4e4e4;
}

.section-heading {
  text-align: center;
  margin: 56px auto 24px;
  max-width: 760px;
}

.section-heading h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.section-heading p {
  margin: 0;
  color: #5c5c5c;
  line-height: 1.6;
}

.brand-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  width: min(1200px, 92vw);
  margin: 0 auto 72px;
}

.brand-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.18);
  transform: translateY(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: #000;
}

.brand-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(1.05);
  display: block;
}

.brand-card span {
  position: absolute;
  left: 22px;
  bottom: 18px;
  padding: 10px 18px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-card.featured {
  grid-column: span 2;
}

.brand-card.featured img {
  height: 340px;
}

.brand-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 40px rgba(0, 0, 0, 0.26);
}

.catalog-intro {
  width: min(1120px, 92vw);
  margin: 48px auto 24px;
  display: grid;
  gap: 20px;
  color: #3e3e3e;
}

.catalog-intro p {
  margin: 0;
  line-height: 1.7;
}

.catalog-grid {
  width: min(1120px, 92vw);
  margin: 0 auto 96px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 18px;
}

.catalog-card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  height: 124px;
}

.catalog-card img {
  max-width: 100%;
  max-height: 74px;
  object-fit: contain;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.16);
  border-color: rgba(0, 0, 0, 0.16);
}

.catalog-note {
  width: min(1120px, 92vw);
  margin: -48px auto 96px;
  padding: 24px 28px;
  border-radius: 14px;
  background: rgba(241, 196, 0, 0.12);
  color: #4a4a4a;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-card {
  background: #fafafa;
  border-radius: 18px;
  padding: 28px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
  display: grid;
  gap: 16px;
}

.contact-form {
  background: #ffffff;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.08);
}

.contact-form label {
  font-weight: 600;
  font-size: 0.9rem;
  color: #333;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--font-base);
  font-size: 0.95rem;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 196, 0, 0.25);
}

.contact-form button {
  margin-top: 12px;
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  background: var(--color-secondary);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s ease;
}

.contact-form button:hover {
  background: #000;
}

footer {
  background: #0d0d0d;
  color: #d4d4d4;
  padding: 48px 32px 28px;
}

.footer-inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
}

.footer-block h4 {
  margin: 0 0 16px;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.footer-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: #b5b5b5;
}

.footer-brand img {
  width: 150px;
  margin-bottom: 12px;
}

.footer-brand address {
  font-style: normal;
  line-height: 1.6;
  color: #bfbfbf;
}

.social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  width: 36px;
  height: 36px;
}

.social-links img {
  width: 100%;
  height: 100%;
  display: block;
}

.footer-note {
  width: min(1200px, 92vw);
  margin: 28px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #6f6f6f;
  flex-wrap: wrap;
  gap: 12px;
}

.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.main-content {
  width: min(1100px, 92vw);
  margin: 48px auto 80px;
  background: #fff;
  padding: 48px 60px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
  border-radius: 18px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: #767676;
  letter-spacing: 0.08em;
}

.breadcrumb a {
  color: #111;
}

.brand-hero {
  background: url('../img/hero-mining.svg') center/cover no-repeat;
  min-height: 320px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 16px 60px;
  text-align: center;
}

.brand-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.34);
}

.brand-hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.brand-hero h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.brand-hero p {
  margin: 0;
  font-size: 1rem;
  color: #e0e0e0;
}

.brand-intro {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.brand-intro figure {
  margin: 0;
  flex: 0 0 240px;
  padding: 24px;
  border-radius: 18px;
  background: #fafafa;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.brand-intro img {
  width: 100%;
  display: block;
}

.brand-intro-content {
  flex: 1 1 320px;
}

.brand-intro-content p {
  line-height: 1.7;
  color: #444;
}

.feature-list {
  padding-left: 20px;
  line-height: 1.8;
  color: #3c3c3c;
}

.cta-panel {
  margin-top: 48px;
  padding: 28px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #111;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.cta-panel a {
  background: #111;
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 980px) {
  .primary-nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 16px;
  }

  .brand-card.featured {
    grid-column: span 1;
  }

  .brand-card img,
  .brand-card.featured img {
    height: 200px;
  }

  .main-content {
    padding: 36px 32px;
  }

  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
}

@media (max-width: 720px) {
  .top-bar {
    flex-wrap: wrap;
    gap: 10px 14px;
    padding: 8px 16px;
  }

  .top-bar .search-wrapper {
    order: 3;
    width: 100%;
  }

  .primary-nav {
    padding: 14px 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 12px;
  }

  .nav-links.is-open,
  .primary-nav nav.is-open {
    display: flex;
  }

  .brand-card img,
  .brand-card.featured img {
    height: 180px;
  }

  .brand-intro {
    flex-direction: column;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-card {
    height: 110px;
  }
}