:root {
  --bg: #0b0d10;
  --bg-soft: #12161c;
  --card: #171c23;
  --card-strong: #202733;
  --text: #f4f7fb;
  --muted: #a8b3c2;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #f59e0b;
  --accent-strong: #ff7a1a;
  --accent-soft: rgba(245, 158, 11, 0.14);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(245, 158, 11, 0.12), transparent 26rem),
    radial-gradient(circle at 85% 18%, rgba(255, 122, 26, 0.10), transparent 30rem),
    linear-gradient(180deg, #080a0d 0%, var(--bg) 42%, #0e1116 100%);
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
}

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

.section-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 10, 13, 0.78);
  backdrop-filter: blur(16px);
}

.navbar {
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #111827;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  font-weight: 900;
  letter-spacing: -0.04em;
  box-shadow: 0 12px 28px rgba(245, 158, 11, 0.25);
}

.brand strong {
  display: block;
  font-size: 17px;
}

.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #dce3eb;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  opacity: 0.86;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
  opacity: 1;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 99px;
  background: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 34px;
  align-items: center;
  padding: 86px 0 58px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero h1 {
  max-width: 790px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero-text {
  max-width: 680px;
  color: #d7dee8;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.62;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #111827;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 18px 34px rgba(245, 158, 11, 0.24);
}

.btn.secondary {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.055);
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-highlights span {
  border: 1px solid rgba(245, 158, 11, 0.24);
  border-radius: 999px;
  padding: 9px 13px;
  color: #f5d8a4;
  background: var(--accent-soft);
  font-size: 13px;
  font-weight: 800;
}

.hero-card,
.checklist-card,
.about-card,
.product-card,
.service-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
}

.welding-orb {
  width: 160px;
  height: 160px;
  margin-bottom: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 35%, #fff3c4, transparent 0.9rem),
    radial-gradient(circle at 50% 50%, var(--accent) 0%, var(--accent-strong) 25%, rgba(245, 158, 11, 0.14) 54%, transparent 70%);
  box-shadow: 0 0 48px rgba(245, 158, 11, 0.38);
}

.hero-card h2 {
  font-size: 30px;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-card p,
.service-card p,
.checklist-card li,
.about-card p,
.product-card p,
.section-heading p,
.split-section p,
.cta-content p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-card ul,
.checklist-card ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.hero-card li,
.checklist-card li {
  position: relative;
  padding-left: 26px;
}

.hero-card li::before,
.checklist-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.6);
}

.stats-band {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--line);
}

.stats-band div {
  padding: 22px;
  background: rgba(255, 255, 255, 0.045);
}

.stats-band strong,
.stats-band span {
  display: block;
}

.stats-band strong {
  margin-bottom: 5px;
  font-size: 20px;
}

.stats-band span {
  color: var(--muted);
}

.section-heading {
  max-width: 790px;
  margin-bottom: 28px;
}

.section-shell:not(.hero) {
  padding: 86px 0 0;
}

.section-heading h2,
.split-section h2,
.about-card h2,
.cta-content h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  padding: 24px;
}

.service-card .icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  background: rgba(245, 158, 11, 0.14);
  font-size: 24px;
}

.service-card h3,
.product-card h3,
.checklist-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.75fr);
  gap: 24px;
  align-items: start;
}

.inline-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 900;
}

.checklist-card {
  padding: 28px;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.13), rgba(255, 255, 255, 0.04));
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.045);
}

.product-image {
  display: grid;
  min-height: 180px;
  place-items: center;
  color: #111827;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.92), rgba(255, 122, 26, 0.88));
  font-size: 48px;
}

.product-card-content {
  padding: 22px;
}

.product-tag {
  display: inline-flex;
  margin-bottom: 10px;
  border-radius: 999px;
  padding: 6px 10px;
  color: #f8d79a;
  background: rgba(245, 158, 11, 0.12);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.empty-products {
  grid-column: 1 / -1;
  border: 1px dashed rgba(245, 158, 11, 0.36);
  border-radius: var(--radius);
  padding: 28px;
  color: var(--muted);
  background: rgba(245, 158, 11, 0.06);
}

.about-card {
  padding: 34px;
}

.company-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
}

.company-info div {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.045);
}

.company-info dt {
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-info dd {
  margin: 0;
  color: #dfe6ee;
  line-height: 1.55;
}

.cta-section {
  margin-top: 86px;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(255, 255, 255, 0.035)),
    var(--card);
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 54px 0;
}

.cta-content > div:first-child {
  max-width: 720px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #080a0d;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-content p {
  margin: 0;
}

.footer-content a {
  color: var(--accent);
  font-weight: 900;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 76px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(16, 20, 27, 0.98);
    box-shadow: var(--shadow);
  }

  body.menu-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 18px;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero,
  .split-section,
  .cta-content {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }

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

  .stats-band,
  .company-info {
    grid-template-columns: 1fr;
  }

  .cta-content {
    display: grid;
  }
}

@media (max-width: 620px) {
  .section-shell,
  .navbar,
  .stats-band {
    width: min(100% - 28px, var(--max));
  }

  .brand small {
    display: none;
  }

  .hero h1 {
    font-size: 42px;
  }

  .service-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .about-card,
  .checklist-card {
    padding: 24px;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}