/* ============================================
   layout.css — Page Sections & Grids
   ============================================ */

/* ── TOPBAR ── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--topbar-height);
  background: var(--blue-700);
  border-bottom: var(--border-w) solid var(--blue-800);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: var(--space-4);
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.topbar-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.footer-logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.topbar-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-200);
  padding: 6px 14px;
  border-radius: var(--radius-btn);
  transition: background 0.15s, color 0.15s;
}
.topbar-nav a:hover { background: var(--blue-600); color: #fff; }
.topbar-nav .cta {
  background: #fff;
  color: var(--blue-700) !important;
  border: var(--border-w) solid var(--blue-200);
  font-weight: 600 !important;
  padding: 8px 20px !important;
}
.topbar-nav .cta:hover {
  background: var(--blue-50) !important;
  box-shadow: var(--shadow-btn);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background 0.15s;
}
.nav-toggle:hover { background: var(--blue-600); }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative;
  margin-top: var(--topbar-height);
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--blue-800); /* fallback colour while video loads */
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(30,58,138,0.82) 40%, rgba(30,58,138,0.5) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 80px 48px 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
}
.hero-left { max-width: 600px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.12);
  border: var(--border-w) solid rgba(255,255,255,0.2);
  border-radius: var(--radius-btn);
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-200);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(4px);
}
.badge-dot { width: 6px; height: 6px; background: var(--blue-300); border-radius: 50%; }
.hero-body {
  font-size: 17px;
  font-weight: 400;
  color: var(--blue-200);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 500px;
}
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-stats   { display: flex; flex-direction: column; gap: var(--space-3); flex-shrink: 0; }

/* ── MARQUEE ── */
.marquee-bar {
  background: var(--blue-600);
  border-bottom: var(--border-w) solid var(--blue-800);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  animation: marquee 28s linear infinite;
}
.marquee-item {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-100);
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.marquee-item::after { content: '•'; color: var(--blue-400); font-size: 10px; }

/* ── ABOUT ── */
.about { background: #fff; border-bottom: var(--border-w) solid var(--blue-100); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.feature-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-6); }

/* ── PRODUCTS ── */
.products { background: var(--blue-50); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

/* ── INDUSTRIES ── */
.industries {
  background: #fff;
  border-top: var(--border-w) solid var(--blue-100);
  border-bottom: var(--border-w) solid var(--blue-100);
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

/* ── WHY US ── */
.why-us { background: var(--blue-700); }
.why-us .section-tag { background: var(--blue-600); border-color: var(--blue-500); color: var(--blue-100); }
.why-us .section-title { color: #fff; }
.why-us .section-subtitle { color: var(--blue-200); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

/* ── CONTACT ── */
.contact { background: var(--blue-50); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-12);
  align-items: start;
}
.contact-title {
  font-size: 36px; font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.5px; line-height: 1.15; margin-bottom: var(--space-3);
}
.contact-title span { color: var(--blue-600); }
.contact-text {
  font-size: 15px; font-weight: 400; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: var(--space-8);
}
.contact-items { display: flex; flex-direction: column; gap: var(--space-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* ── FOOTER ── */
footer {
  background: var(--blue-900);
  border-top: var(--border-w) solid var(--blue-800);
  padding: 48px 48px 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: var(--border-w) solid var(--blue-800);
  margin-bottom: var(--space-6);
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo-sub { color: var(--blue-400) !important; }
.footer-brand-text {
  font-size: 13px; font-weight: 400; color: var(--blue-300);
  line-height: 1.7; margin-top: var(--space-3); max-width: 260px;
}
.footer-col-title {
  font-size: 11px; font-weight: 700; color: var(--blue-400);
  letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: var(--space-4);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; font-weight: 400; color: var(--blue-300); transition: color 0.15s; }
.footer-links a:hover { color: #fff; }
.footer-links li { font-size: 13px; color: var(--blue-400); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-copy   { font-size: 12px; font-weight: 400; color: var(--blue-500); }
.footer-domain { font-size: 12px; font-weight: 600; color: var(--blue-300); }

/* ══════════════════════════════════════════
   MOBILE RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Topbar */
  .nav-toggle { display: flex; }
  .topbar-nav {
    display: none;
    position: absolute;
    top: var(--topbar-height);
    left: 0; right: 0;
    background: var(--blue-800);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    border-bottom: var(--border-w) solid var(--blue-700);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .topbar-nav.open { display: flex; }
  .topbar-nav a { padding: 12px 16px; border-radius: 8px; }
  .topbar-nav .cta { text-align: center; margin-top: 4px; }

  /* Hero */
  .hero-content { flex-direction: column; padding: 48px 20px 40px; gap: var(--space-8); }
  .hero-stats { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .stat-card { min-width: 120px; }

  /* Sections */
  .section { padding: 48px 20px; }
  .section-subtitle { max-width: 100%; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: var(--space-8); }

  /* Products */
  .products-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: span 1; }

  /* Industries */
  .industries-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .industries-grid .industry-card:last-child:nth-child(odd) { grid-column: span 2; max-width: 50%; margin: 0 auto; width: 100%; }

  /* Why */
  .why-grid { grid-template-columns: 1fr 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  footer { padding: 36px 20px 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  h1 { font-size: 30px; }
  .hero-content { padding: 36px 16px 32px; }
  .why-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: stretch; }
  .stat-card { min-width: unset; }
}