/* ==========================================================
   Cold Metal Spray — Final Design
   Hero + CTA + Footer from Design A · Layout from Design B
   ========================================================== */

:root {
  --blue:        #235b90;
  --blue-dark:   #164d85;
  --blue-light:  #e8f0f8;
  --blue-glow:   #5e8bb2;
  --steel:       #4a5568;
  --border:      #dde1e7;
  --bg:          #f7f8f9;
  --white:       #ffffff;
  --ink:         #0b1620;
  --ink-mid:     #101e2b;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max:         1160px;
  --radius:      4px;
  --radius-lg:   10px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--steel);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

h1, h2, h3, h4 {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { transition: transform 0.2s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 4px 14px rgba(35,91,144,0.3);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: var(--white); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.28);
}
.btn-ghost:hover { background: rgba(255,255,255,0.16); color: var(--white); }
.btn-outline-dark {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline-dark:hover { background: var(--blue); color: var(--white); }

/* ── Header ── */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
}
.brand img { height: 60px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--steel);
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); background: var(--blue-light); }
.nav .btn-primary { margin-left: 12px; color: var(--white); }
.nav .btn-primary:hover { color: var(--white); background: var(--blue-dark); border-color: var(--blue-dark); }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 11px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ── Hero — full-bleed background video ── */
.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
}

/* video background — shifted right so subject is visible */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 80% center;
  pointer-events: none;
}

/* solid blue-navy on left covering text area, fades sharply to reveal video */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(11,22,32,0.98) 0%,
    rgba(11,22,32,0.97) 30%,
    rgba(11,22,32,0.75) 48%,
    rgba(11,22,32,0.15) 65%,
    rgba(11,22,32,0.0)  100%
  );
  pointer-events: none;
}

/* blue tint glow on the right where video shows */
.hero-overlay::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 40%, rgba(35,91,144,0.18), transparent 45%);
}

.hero .wrap {
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero-content {
  max-width: 580px;
  padding: 130px 0 140px;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-glow);
  font-weight: 600;
  margin-bottom: 20px;
  padding: 6px 14px;
  border: 1px solid rgba(94,139,178,0.35);
  border-radius: 100px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Trust bar ── */
.trust-bar { background: var(--blue); padding: 0; }
.trust-bar .wrap { display: flex; flex-wrap: wrap; }
.trust-item {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.92);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 16px 20px;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.trust-item:last-child { border-right: none; }
.trust-item svg { width: 18px; height: 18px; flex-shrink: 0; color: rgba(255,255,255,0.7); }
.trust-bar a.trust-item:hover { color: var(--white); background: rgba(255,255,255,0.12); text-decoration: none; }

/* ── Section common ── */
section { padding: 88px 0; }
.section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: var(--steel); }
.about-text .btn-outline-dark { margin-top: 12px; }
.about-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(11,22,32,0.12);
}
.about-img img { width: 100%; height: 400px; object-fit: cover; }
.about-img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(11,22,32,0.72);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 18px;
}

/* ── Applications ── */
.bg-light { background: var(--bg); }
.applications-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}
.app-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.app-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.app-card:hover { border-color: var(--blue); box-shadow: 0 4px 16px rgba(35,91,144,0.1); transform: translateY(-2px); }
.app-num { font-size: 2rem; font-weight: 800; color: var(--border); line-height: 1; margin-bottom: 16px; }
.app-card h3 { margin-bottom: 16px; color: var(--ink); }
.app-link { font-size: 0.88rem; font-weight: 600; color: var(--blue); display: inline-flex; align-items: center; gap: 6px; }
.app-link:hover { color: var(--blue-dark); }
.app-link svg { transition: transform 0.2s; }
.app-link:hover svg { transform: translateX(3px); }

/* ── CTA — Design A dark gradient ── */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-mid) 60%, #0a2836 100%);
  padding: 88px 0;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(35,91,144,0.28), transparent 60%);
  pointer-events: none;
}
.cta-band .wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,0.7); margin: 0; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* ── Footer — Design A style ── */
.site-footer {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  padding: 72px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}
.footer-brand img { height: 60px; margin-bottom: 20px; }
.footer-brand p { color: rgba(255,255,255,0.45); line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: rgba(255,255,255,0.6); transition: color 0.15s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255,255,255,0.28);
  font-size: 0.82rem;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero-content { padding: 100px 0 110px; max-width: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .app-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .menu-toggle { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: 90px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    gap: 2px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav .btn-primary { margin-left: 0; margin-top: 8px; justify-content: center; }
  .app-cards { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .trust-item { min-width: 50%; }
  .applications-header { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Inner pages
   ============================================================ */

/* ── Page hero banner ── */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-mid) 60%, #0a2836 100%);
  overflow: hidden;
  padding: 80px 0 88px;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(35,91,144,0.22), transparent 55%),
    radial-gradient(ellipse at 10% 80%, rgba(94,139,178,0.1), transparent 50%);
  pointer-events: none;
}
.page-hero .wrap { position: relative; }
.page-hero h1 { color: var(--white); margin-bottom: 14px; }
.page-hero p  { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 640px; margin: 0; }
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.3); }

/* ── Generic content ── */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.content-grid.reverse { direction: rtl; }
.content-grid.reverse > * { direction: ltr; }

.prose h2 { margin-bottom: 16px; }
.prose h3 { color: var(--blue); margin: 28px 0 10px; font-size: 1.05rem; }
.prose p  { color: var(--steel); }
.prose ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1em;
}
.prose ul li {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  color: var(--steel);
  font-size: 0.97rem;
}
.prose ul li:last-child { border-bottom: none; }
.prose ul li::before {
  content: "";
  flex-shrink: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  margin-top: 9px;
}

/* ── Service blocks ── */
.service-blocks { display: flex; flex-direction: column; gap: 0; }
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 4px 20px rgba(11,22,32,0.08);
  border: 1px solid var(--border);
}
.service-block.flip { direction: rtl; }
.service-block.flip > * { direction: ltr; }
.service-block-text {
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.service-block-text h2 { margin-bottom: 16px; }
.service-block-text p { color: var(--steel); }
.service-block-visual {
  background: linear-gradient(135deg, var(--ink), #0a2836);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.service-block-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(35,91,144,0.35), transparent 60%);
}
.service-block-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
}

/* ── Applications sections ── */
.app-section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border);
}
.app-section:last-child { border-bottom: none; }
.app-section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.app-section-inner.flip { direction: rtl; }
.app-section-inner.flip > * { direction: ltr; }
.app-section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.app-section h2 { margin-bottom: 20px; }
.app-repairs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}
.repair-item {
  padding: 20px 24px;
  background: var(--bg);
  border-radius: var(--radius);
  border-left: 3px solid var(--blue);
}
.repair-item h3 {
  font-size: 0.97rem;
  color: var(--ink);
  margin-bottom: 6px;
}
.repair-item p { font-size: 0.92rem; margin: 0; color: var(--steel); }
.app-section-visual {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--ink), #0a2836);
  min-height: 380px;
  position: relative;
}
.app-section-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(35,91,144,0.3), transparent 65%);
}
.app-section-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── Case study cards ── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.case-card:hover { box-shadow: 0 8px 24px rgba(11,22,32,0.1); transform: translateY(-2px); }
.case-card-visual {
  height: 200px;
  background: linear-gradient(135deg, var(--ink), #0a2836);
  position: relative;
  overflow: hidden;
}
.case-card-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(35,91,144,0.35), transparent 60%);
}
.case-card-visual img { width: 100%; height: 100%; object-fit: cover; }
.case-card-body { padding: 28px 24px; }
.case-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
  display: block;
}
.case-card-body h3 { margin-bottom: 10px; font-size: 1.05rem; }
.case-card-body p { font-size: 0.92rem; color: var(--steel); margin-bottom: 16px; }

/* ── About page ── */
.timeline {
  position: relative;
  padding-left: 32px;
  margin-top: 8px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px; top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--blue);
}
.timeline-item h3 { font-size: 0.97rem; color: var(--ink); margin-bottom: 6px; }
.timeline-item p  { font-size: 0.93rem; color: var(--steel); margin: 0; }

/* ── Contact form ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
.contact-details h2 { margin-bottom: 20px; }
.contact-detail-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-detail-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--blue);
}
.contact-detail-icon svg { width: 18px; height: 18px; }
.contact-detail-label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); margin-bottom: 4px; }
.contact-detail-value { color: var(--ink); font-weight: 500; }
.contact-detail-value a { color: var(--ink); }
.contact-detail-value a:hover { color: var(--blue); }

.contact-form-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
}
.contact-form-wrap h2 { margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(35,91,144,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }

@media (max-width: 960px) {
  .content-grid, .app-section-inner, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .content-grid.reverse, .app-section-inner.flip { direction: ltr; }
  .service-block { grid-template-columns: 1fr; }
  .service-block.flip { direction: ltr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .service-block-text { padding: 36px 28px; }
}