:root {
  --primary:#0b2d4d;
  --primary-light:#123f68;
  --accent:#f59e0b;
  --bg:#f7f9fb;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --white:#fff;
}

* {
  box-sizing:border-box;
}

body {
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  line-height:1.65;
  background:#fff;
}

a {
  color:inherit;
  text-decoration:none;
}

img {
  max-width:100%;
  display:block;
}

.container {
  width:min(1180px,92%);
  margin:auto;
}

.topbar {
  background:var(--primary);
  color:#fff;
  font-size:14px;
  padding:8px 0;
}

.topbar .container {
  display:flex;
  justify-content:space-between;
  gap:15px;
  flex-wrap:wrap;
}

.header {
  background:#fff;
  border-bottom:1px solid var(--border);
}

.nav {
  height:76px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo {
  font-size:24px;
  font-weight:800;
  color:var(--primary);
}

.logo span {
  color:var(--accent);
}

.menu {
  display:flex;
  gap:22px;
  align-items:center;
  font-weight:600;
}

.menu a:hover {
  color:var(--accent);
}

.btn {
  display:inline-block;
  background:var(--accent);
  color:#fff;
  padding:12px 22px;
  border-radius:6px;
  font-weight:700;
}

.btn.secondary {
  background:var(--primary);
}

.btn.outline {
  background:transparent;
  border:1px solid #fff;
  color:#fff;
}

.hero {
  min-height:620px;
  display:flex;
  align-items:center;
  color:#fff;
  background:
    linear-gradient(rgba(11,45,77,.72),rgba(11,45,77,.72)),
    url("../images/hero-placa-de-aluminio.jpg") center/cover no-repeat;
}

.hero-content {
  max-width:780px;
}

.hero h1 {
  font-size:58px;
  line-height:1.1;
  margin:0 0 20px;
}

.hero p {
  font-size:20px;
  color:#e5e7eb;
}

.hero-actions {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:28px;
}

.page-hero {
  background:linear-gradient(90deg,#0b2d4d,#16496f);
  color:#fff;
  padding:86px 0;
}

.page-hero h1 {
  font-size:46px;
  margin:0 0 12px;
}

.breadcrumb {
  color:#cbd5e1;
  font-size:14px;
  margin-bottom:10px;
}

.section {
  padding:76px 0;
}

.gray {
  background:var(--bg);
}

.section-title {
  max-width:820px;
  margin-bottom:36px;
}

.section-title h2,
h2 {
  color:var(--primary);
}

.section-title h2 {
  font-size:36px;
  margin:0 0 10px;
}

.grid {
  display:grid;
  gap:26px;
}

.grid-2 {
  grid-template-columns:repeat(2,1fr);
}

.grid-3 {
  grid-template-columns:repeat(3,1fr);
}

.grid-4 {
  grid-template-columns:repeat(4,1fr);
}

.card {
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  overflow:hidden;
}

.card-body {
  padding:24px;
}

.card h3 {
  color:var(--primary);
  margin-top:0;
}

.feature {
  background:#fff;
  border:1px solid var(--border);
  padding:24px;
  border-radius:12px;
}

.badge {
  display:inline-block;
  background:#eef6ff;
  color:var(--primary);
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}

.two-col {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
}

.table {
  width:100%;
  border-collapse:collapse;
  background:#fff;
}

.table th,
.table td {
  border:1px solid var(--border);
  padding:14px;
  text-align:left;
}

.table th {
  background:var(--primary);
  color:#fff;
  width:230px;
}

.faq-item {
  border-bottom:1px solid var(--border);
  padding:18px 0;
}

.faq-item h3 {
  color:var(--primary);
  margin:0 0 8px;
}

.cta {
  text-align:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  padding:36px;
}

.footer {
  background:#081f35;
  color:#d1d5db;
  padding:66px 0 24px;
}

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.6fr;
  gap:32px;
}

.footer h3,
.footer h4 {
  color:#fff;
}

.footer a {
  display:block;
  margin:8px 0;
  color:#d1d5db;
}

.copyright {
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:36px;
  padding-top:20px;
  color:#9ca3af;
}

@media(max-width:900px) {
  .menu {
    display:none;
  }

  .hero h1 {
    font-size:38px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .two-col,
  .footer-grid {
    grid-template-columns:1fr;
  }
}