.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: color-mix(in srgb, var(--color-surface) 94%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -.04em; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); display:grid; place-items:center; color:white; box-shadow: var(--shadow-sm); }
.brand small { display:block; color: var(--color-muted); font-weight: 700; letter-spacing: 0; font-size: .76rem; }
.navlinks { display: flex; align-items: center; gap: 6px; }
.navlinks a { padding: 10px 12px; border-radius: 999px; color: var(--color-muted); font-weight: 800; font-size: .92rem; }
.navlinks a:hover, .navlinks a.active { color: var(--color-primary); background: rgba(0,89,168,.08); }
.mobile-menu-btn { display:none; }
.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 58px;
  background:
    radial-gradient(circle at 15% 20%, rgba(244,197,66,.32), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(0,167,215,.28), transparent 35%),
    linear-gradient(180deg, var(--color-surface), var(--color-bg));
}
.hero-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; }
.hero-copy { display:grid; gap: 22px; }
.hero-actions { display:flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { position: relative; min-height: 430px; }
.hero-card-main {
  position:absolute; inset: 0 0 35px 15px;
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(0,89,168,.92), rgba(0,167,215,.82)), url('../assets/images/construction-pattern.svg');
  background-size: cover;
  box-shadow: var(--shadow-md);
  color: white;
  padding: 28px;
  display:flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero-card-main p { color: rgba(255,255,255,.82); }
.hero-float { position:absolute; left: 0; bottom: 0; width: min(310px, 80%); background: var(--color-surface); color: var(--color-text); border:1px solid var(--color-border); border-radius: 24px; box-shadow: var(--shadow-md); padding:18px; }
.hero-metrics { display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.metric { background: var(--color-surface); border:1px solid var(--color-border); border-radius: 18px; padding:16px; }
.metric strong { font-size:1.4rem; color: var(--color-primary); }
.section-head { display:flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 24px; }
.section-head p { max-width: 720px; margin-top: 10px; }
.service-card, .product-card, .brand-card { height: 100%; display:flex; flex-direction: column; }
.card-media { aspect-ratio: 16/10; background: linear-gradient(135deg, rgba(0,89,168,.15), rgba(244,197,66,.25)); display:grid; place-items:center; color: var(--color-primary); font-weight:900; overflow:hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px; display:grid; gap: 12px; flex:1; }
.card-actions { margin-top: auto; display:flex; gap:8px; flex-wrap: wrap; }
.filters { display:grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 12px; margin-bottom: 22px; }
.product-meta { display:flex; flex-wrap: wrap; gap: 6px; }
.contact-grid { display:grid; grid-template-columns: .9fr 1.1fr; gap: 20px; }
.map-box { min-height: 360px; border: 0; width: 100%; border-radius: var(--radius-lg); background: var(--color-surface-2); }
.footer { padding: 34px 0; border-top: 1px solid var(--color-border); color: var(--color-muted); }
.detail-hero { padding: 52px 0; background: linear-gradient(180deg, var(--color-surface), var(--color-bg)); }
.service-product-group { margin-top: 22px; }
.group-title { display:flex; align-items:center; gap:10px; margin-bottom: 14px; }
.admin-link { opacity: .55; font-size: .82rem; }
@media (max-width: 960px) {
  .mobile-menu-btn { display:inline-flex; }
  .navlinks { position: fixed; top: var(--header-height); left: 0; right: 0; background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 12px 16px; display:none; flex-direction: column; align-items: stretch; }
  .navlinks.open { display:flex; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 330px; }
  .filters { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding-top: 46px; }
  .hero-metrics { grid-template-columns: 1fr; }
  .section-head { display:grid; }
  .whatsapp-float { left: 18px; right: 18px; justify-content: center; max-width: 12vw; }
}
.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0;
  background: #25d366;
  color: #ffffff;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
  filter: brightness(1.02);
}

.whatsapp-float:active {
  transform: scale(0.96);
}

.whatsapp-float:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.35);
  outline-offset: 4px;
}

.whatsapp-float__icon {
  width: 32px;
  height: 32px;
  display: block;
  fill: currentColor;
}

.whatsapp-float__text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 46px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: grid;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
  }

  .whatsapp-float__icon {
    width: 31px;
    height: 31px;
  }
}
/* Demo images generated for SiiCA preview */
.hero-demo-img {
  width: 100%;
  min-height: 440px;
  object-fit: cover;
  display: block;
  border-radius: 32px;
  box-shadow: var(--shadow-soft);
}
.brand-logo-demo {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 14px;
  background: var(--color-surface-soft);
}

/* v5 branding */
.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--color-surface-2);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.center-actions { display:flex; justify-content:center; margin-top: 22px; }