/* ============================================
   MBV ALL IN ONE PROD 88 – Industrial Premium
   ============================================ */

:root {
  --bg: #0c0e12;
  --bg-elevated: #14171e;
  --bg-card: #1a1e27;
  --bg-soft: #222733;
  --border: #2a3140;
  --border-light: #3a4255;
  --text: #e8eaed;
  --text-muted: #9aa3b5;
  --text-dim: #6b7385;
  --accent: #2b8cff;
  --accent-hover: #4da0ff;
  --accent-soft: rgba(43, 140, 255, 0.12);
  --accent-glow: rgba(43, 140, 255, 0.35);
  --white: #ffffff;
  --success: #22c55e;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --header-h: 72px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--white);
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-light);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
}
.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1rem;
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(12, 14, 18, 0.95);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover {
  color: var(--text);
}
.logo-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.logo-text {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.15rem;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: var(--bg-soft);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.lang-switch {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn.active {
  background: var(--accent);
  color: var(--white);
}
.lang-btn:not(.active):hover {
  color: var(--text);
}
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-mobile {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 4% 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.nav-mobile .nav-link {
  padding: 0.75rem 1rem;
  font-size: 1rem;
}
.nav-mobile .btn {
  margin-top: 0.75rem;
  width: 100%;
}
.nav-mobile[hidden] {
  display: none !important;
}

@media (min-width: 960px) {
  .nav-desktop {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .header-actions .btn-sm {
    display: inline-flex;
  }
}
@media (max-width: 959px) {
  .header-actions .btn-sm {
    display: none;
  }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(43, 140, 255, 0.15), transparent 50%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(43, 140, 255, 0.08), transparent 45%),
    linear-gradient(180deg, #0c0e12 0%, #10141c 50%, #0c0e12 100%);
  z-index: 0;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 49, 64, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 49, 64, 0.4) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  opacity: 0.5;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--white);
}
.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  max-width: 560px;
}
.hero-secondary {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  max-width: 520px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.hero-tags span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-elevated);
}

/* ========== SECTIONS ========== */
.section {
  padding: 5rem 0;
}
.section-header {
  margin-bottom: 2.75rem;
  max-width: 700px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1rem;
}
.section-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ========== ABOUT ========== */
.about {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  gap: 2.5rem;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
}
.about-text p:last-child {
  margin-bottom: 0;
}
.about-cards {
  display: grid;
  gap: 1.25rem;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.about-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow);
}
.about-card-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  opacity: 0.9;
}
.about-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.about-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

@media (min-width: 800px) {
  .about-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

/* ========== SERVICES GRID ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
.service-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 1rem;
}
.service-icon svg {
  width: 100%;
  height: 100%;
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Welding */
.welding-block {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.welding-header h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--white);
}
.welding-header p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 640px;
}
.weld-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.weld-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color var(--transition);
}
.weld-card:hover {
  border-color: var(--accent);
}
.weld-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.weld-en {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .weld-cards {
    grid-template-columns: 1fr;
  }
}

/* ========== COATINGS ========== */
.coatings {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.zinc-highlight {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1e2533 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  display: grid;
  gap: 1.75rem;
}
.zinc-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--white);
}
.zinc-content p {
  color: var(--text-muted);
  max-width: 680px;
}
.zinc-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.zinc-opt {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}
.zinc-opt span {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.zinc-opt small {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.coatings-grid {
  margin-top: 0.5rem;
}

/* ========== CAPABILITIES ========== */
.cap-tables {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 700px) {
  .cap-tables {
    grid-template-columns: 1fr 1fr;
  }
}
.cap-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.cap-table h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.cap-table ul {
  list-style: none;
}
.cap-table li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(42, 49, 64, 0.5);
  font-size: 0.9rem;
}
.cap-table li:last-child {
  border-bottom: none;
}
.cap-table li span {
  color: var(--text);
}
.cap-table li em {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ========== INTEGRATED ========== */
.integrated {
  background: var(--bg);
}
.integrated-text {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 720px;
  margin-bottom: 1.75rem;
}
.process-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.35rem;
  margin-bottom: 1.75rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 0.55rem 1.1rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--white);
}
.process-arrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ========== WHY ========== */
.why {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}
.why-card:hover {
  border-color: var(--accent);
}
.why-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.why-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ========== POSITIONING ========== */
.positioning {
  padding: 4.5rem 0;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(43, 140, 255, 0.12), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.pos-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.pos-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.pos-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ========== QUOTE FORM ========== */
.quote {
  background: var(--bg);
}
.quote-form {
  max-width: 780px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group-full {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group input[type="file"] {
  padding: 0.5rem;
  font-size: 0.85rem;
}
.form-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.form-consent {
  margin-top: 0.25rem;
}
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
}
.checkbox-label input {
  margin-top: 0.25rem;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.checkbox-label .link {
  color: var(--accent);
  text-decoration: underline;
}
.form-actions {
  margin-top: 1.75rem;
}
.form-success {
  margin-top: 1.25rem;
  padding: 1rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-weight: 500;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .quote-form {
    padding: 1.35rem;
  }
}

/* ========== CONTACT ========== */
.contact {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}
.contact-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.contact-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--white);
}
.contact-info p {
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}
.contact-info a {
  color: var(--accent);
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}
.footer-brand strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--white);
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  font-size: 0.9rem;
}
.footer-contact a {
  color: var(--text-muted);
}
.footer-contact a:hover {
  color: var(--accent);
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

@media (min-width: 700px) {
  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  .footer-copy {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
  }
}

/* ========== MODAL ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.modal[hidden] {
  display: none !important;
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text);
}
.modal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  padding-right: 2rem;
  color: var(--white);
}
.modal-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

/* ========== UTILITIES ========== */
[hidden] {
  display: none !important;
}

/* Scroll reveal (optional subtle) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}