:root {
  --ink: #171717;
  --muted: #5f6368;
  --line: #d8d1c7;
  --paper: #fbfaf7;
  --steel: #263238;
  --rust: #b54824;
  --amber: #f4a62a;
  --sage: #60766c;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(28, 24, 20, .14);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a { color: inherit; }

.topbar {
  background: var(--steel);
  color: var(--white);
  font-size: .92rem;
  padding: .5rem 5vw;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar a { color: var(--white); font-weight: 700; }

.site-header {
  background: rgba(251,250,247,.97);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: .9rem 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--rust);
  color: var(--white);
  border-radius: 6px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .95rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--steel);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .8rem 1rem;
  border: 0;
  border-radius: 6px;
  background: var(--rust);
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.btn.secondary {
  background: var(--steel);
}

.btn.light {
  background: var(--white);
  color: var(--steel);
}

.hero {
  min-height: 650px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(18, 20, 20, .88) 0%, rgba(18, 20, 20, .72) 42%, rgba(18,20,20,.18) 78%),
    url("mobile-welding-hero.png") center / cover no-repeat;
  color: var(--white);
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  padding: 5rem 5vw 6.5rem;
}

.eyebrow {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  color: #ffe0a2;
  font-weight: 800;
  text-transform: uppercase;
  font-size: .8rem;
}

h1, h2, h3 {
  line-height: 1.08;
  margin: 0 0 1rem;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  font-size: clamp(2.45rem, 6vw, 5.3rem);
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 3rem);
}

h3 { font-size: 1.25rem; }

.hero p {
  max-width: 620px;
  font-size: 1.18rem;
  color: #f5eee7;
}

.hero-actions, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.28);
  margin-top: 3rem;
  max-width: 860px;
}

.trust-row span {
  padding: 1rem 1rem 0 0;
  font-weight: 800;
  color: #fff8ec;
}

.band {
  padding: 4.5rem 5vw;
}

.band.white { background: var(--white); }
.band.steel { background: var(--steel); color: var(--white); }
.band.sage { background: #eef2ef; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
}

.intro {
  max-width: 780px;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}

.steel .card {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
}

.card a {
  color: var(--rust);
  font-weight: 800;
  text-decoration: none;
}

.list {
  padding-left: 1.1rem;
  margin: .7rem 0 0;
}

.list li { margin: .35rem 0; }

.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2rem;
  align-items: start;
}

.quote-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  gap: .75rem;
}

label {
  display: grid;
  gap: .25rem;
  font-weight: 800;
  color: var(--steel);
}

input, select, textarea {
  width: 100%;
  border: 1px solid #bfb7ad;
  border-radius: 6px;
  padding: .85rem;
  font: inherit;
  background: var(--white);
}

textarea { min-height: 120px; resize: vertical; }

.note {
  color: var(--muted);
  font-size: .92rem;
}

.service-hero {
  background: var(--steel);
  color: var(--white);
  padding: 4.5rem 5vw;
}

.service-hero .wrap {
  display: grid;
  gap: .8rem;
}

.service-hero p {
  max-width: 780px;
  color: #f1e9df;
  font-size: 1.1rem;
}

.cta-strip {
  background: var(--rust);
  color: var(--white);
  padding: 2rem 5vw;
}

.cta-strip .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  font-weight: 800;
  cursor: pointer;
}

.footer {
  background: #111;
  color: var(--white);
  padding: 3rem 5vw 6rem;
}

.footer a { color: #ffd18d; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 1.5rem;
}

.sticky-call {
  position: fixed;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 20;
  display: none;
  box-shadow: var(--shadow);
}

.status {
  min-height: 1.4rem;
  color: var(--sage);
  font-weight: 800;
}

@media (max-width: 840px) {
  .nav { align-items: flex-start; }
  .nav-links {
    display: none;
  }
  .hero {
    min-height: 630px;
    background:
      linear-gradient(180deg, rgba(18, 20, 20, .9) 0%, rgba(18,20,20,.7) 58%, rgba(18,20,20,.2) 100%),
      url("mobile-welding-hero.png") center / cover no-repeat;
  }
  .trust-row, .grid.three, .grid.two, .split, .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-strip .wrap {
    align-items: stretch;
  }
  .sticky-call { display: inline-flex; }
  .footer { padding-bottom: 5.5rem; }
}