:root {
  --primary: #004080;
  --primary-hover: #0073e6;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #2c3e50;
  --muted: #6c757d;
  --border: #e9ecef;
  --success: #28a745;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; }

.container { width: min(1200px, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,64,128,.06);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 1rem;
}
.logo { font-weight: 700; font-size: 1.25rem; color: var(--primary); }
.nav-links { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text); font-weight: 500; font-size: .9rem; }
.nav-links a:hover { color: var(--primary); }
.nav-actions { display: flex; gap: .5rem; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; padding: .55rem 1rem; font-weight: 600; font-size: .9rem;
  border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: .8rem 1.25rem; font-size: 1rem; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #f1f5f9; color: var(--primary); }

.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff; text-align: center; padding: 5rem 1rem;
}
.hero h1 { margin: 0 0 1rem; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.2; }
.hero p { margin: 0 auto 1.5rem; max-width: 720px; opacity: .92; font-size: 1.1rem; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

.section { padding: 4rem 0; }
.section h2 { text-align: center; color: var(--primary); margin: 0 0 2rem; font-size: 2rem; }
.grid { display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.25rem; box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.card h3 { margin: 0 0 .5rem; color: var(--primary); }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

.tags { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.tag {
  background: var(--primary); color: #fff; border-radius: 999px;
  padding: .4rem .9rem; font-size: .85rem; font-weight: 600;
}
.tag:hover { background: var(--primary-hover); color: #fff; }

.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff; text-align: center; padding: 3rem 1rem;
}
.page-hero h1 { margin: 0 0 .75rem; }
.page-hero p { margin: 0; opacity: .92; }

.cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff; text-align: center; padding: 4rem 1rem;
}
.cta h2 { margin: 0 0 .75rem; color: #fff; }
.cta p { margin: 0 auto 1.25rem; max-width: 640px; opacity: .92; }

.site-footer { background: #2c3e50; color: #fff; padding: 3rem 0 1rem; }
.footer-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 2rem;
}
.site-footer h3, .site-footer h4 { margin: 0 0 .75rem; }
.site-footer h3 { color: #0073e6; }
.site-footer p, .site-footer li, .site-footer a { color: #bdc3c7; font-size: .9rem; }
.site-footer a:hover { color: #0073e6; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .4rem; }
.footer-bottom {
  border-top: 1px solid #34495e; padding-top: 1rem; text-align: center; color: #bdc3c7; font-size: .85rem;
}

.floating {
  position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .6rem; z-index: 40;
}
.floating a {
  width: 52px; height: 52px; border-radius: 999px; display: grid; place-items: center;
  color: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.15); font-weight: 700;
}
.floating .call { background: var(--success); }
.floating .wa { background: #25d366; }

.nav-toggle {
  display: none; background: none; border: 0; font-size: 1.4rem; color: var(--primary); cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links, .nav-actions { display: none; }
  .nav.open .nav-links, .nav.open .nav-actions {
    display: flex; flex-direction: column; width: 100%;
  }
  .nav.open {
    flex-wrap: wrap; padding: .75rem 0;
  }
  .nav.open .logo { flex: 1; }
}