:root {
  --bg: #08111d;
  --bg-soft: #111c2b;
  --panel: #162334;
  --panel-2: #1d2b3c;
  --text: #f5f7fb;
  --muted: #b9c3d1;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffb02e;
  --accent-2: #ff6a21;
  --dark: #050a12;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 17, 29, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-box {
  width: 104px;
  height: 62px;
  display: grid;
  place-items: center;
  padding: 5px;
  border-radius: 6px;
  background: #fff;
}

.logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.menu a {
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.menu a:hover,
.menu a.active {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  width: 44px;
  height: 44px;
  font-size: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.btn-primary {
  color: var(--dark);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(255, 176, 46, 0.45);
  background: rgba(255, 176, 46, 0.08);
}

.btn-dark {
  color: var(--text);
  background: var(--panel);
  border-color: var(--line);
}

.hero {
  min-height: 680px;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(5, 10, 18, 0.95), rgba(5, 10, 18, 0.7) 44%, rgba(5, 10, 18, 0.22)),
    url("../assets/images/mobile-welding-01.jpg") center right / cover no-repeat;
}

.hero-content {
  max-width: 720px;
  padding: 86px 0;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  line-height: 1.08;
}

h1 {
  font-size: clamp(42px, 7vw, 78px);
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
}

h3 {
  font-size: 22px;
}

p {
  margin: 0 0 18px;
  color: var(--muted);
}

.lead {
  font-size: 20px;
  max-width: 680px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: var(--bg-soft);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 560px;
}

.grid {
  display: grid;
  gap: 22px;
}

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

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}

.card strong,
.stat strong {
  color: var(--accent);
}

.service-card {
  min-height: 210px;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}

.feature-list li {
  padding-left: 28px;
  position: relative;
  color: var(--muted);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
}

.media-panel {
  min-height: 360px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 176, 46, 0.18), rgba(255, 106, 33, 0.08)),
    url("../assets/images/fabrication-01.jpg") center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.media-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(5, 10, 18, 0.72));
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.stat {
  padding: 20px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.04);
}

.portfolio-card {
  min-height: 190px;
}

.image-card {
  overflow: hidden;
  padding: 0;
}

.image-card a {
  display: grid;
  color: inherit;
}

.image-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--panel-2);
}

.image-card-body {
  padding: 18px;
}

.image-card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.gallery-section + .gallery-section {
  margin-top: 54px;
}

.gallery-section h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.project-preview {
  padding: 0;
  overflow: hidden;
}

.project-preview img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-preview div {
  padding: 22px;
}

.cta {
  background: linear-gradient(135deg, rgba(255, 176, 46, 0.17), rgba(255, 106, 33, 0.1)), var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-hero {
  padding: 94px 0 70px;
  background:
    linear-gradient(90deg, rgba(5, 10, 18, 0.96), rgba(8, 17, 29, 0.86)),
    url("../assets/images/structural-steel-01.jpg") center / cover no-repeat;
}

.form {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0c1725;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.notice {
  padding: 14px 16px;
  border-radius: 6px;
  margin-bottom: 18px;
  display: none;
}

.notice.show {
  display: block;
}

.notice.success {
  background: rgba(39, 174, 96, 0.16);
  border: 1px solid rgba(39, 174, 96, 0.5);
}

.notice.error {
  background: rgba(231, 76, 60, 0.16);
  border: 1px solid rgba(231, 76, 60, 0.5);
}

.site-footer {
  padding: 44px 0;
  background: var(--dark);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 28px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: var(--muted);
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
  }

  .menu {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px 16px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .menu.open {
    display: flex;
  }

  .menu a,
  .menu .btn {
    width: 100%;
  }

  .hero {
    min-height: 620px;
    background-position: center;
  }

  .section-head,
  .split,
  .grid-2,
  .grid-3,
  .gallery-grid,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .hero-content {
    padding: 64px 0;
  }

  .actions .btn {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }
}