/* Construcciones y Reformas JD — estilos */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #c0392b; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  flex-wrap: wrap; gap: 12px;
}
.logo img { width: 156px; }
.main-nav ul {
  display: flex; gap: 24px; list-style: none;
}
.main-nav a {
  color: #444; font-weight: 500; font-size: 15px;
  text-transform: uppercase; letter-spacing: .5px;
}
.main-nav a.active, .main-nav a:hover { color: #c0392b; text-decoration: none; }

/* Layout */
main { max-width: 1100px; margin: 0 auto; padding: 40px 20px; }
h1, h2, h3 { color: #222; font-weight: 700; line-height: 1.3; }
h1 { font-size: 2rem; margin-bottom: 24px; text-align: center; }
h2 { font-size: 1.5rem; margin-bottom: 16px; }
p { margin-bottom: 14px; color: #555; }

/* Hero / banners */
.hero { text-align: center; margin-bottom: 40px; }
.hero img { margin: 0 auto; border-radius: 6px; }

/* Image grid */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin: 32px 0;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px; margin: 32px 0; align-items: center;
}
.grid-4 img, .grid-2 img { border-radius: 6px; }

/* Section spacers */
.section { padding: 30px 0; }
.section + .section { border-top: 1px solid #f0f0f0; }
.lead { text-align: center; max-width: 800px; margin: 0 auto 24px; }

/* Button */
.btn {
  display: inline-block;
  background: #c0392b; color: #fff;
  padding: 12px 22px; border-radius: 4px;
  font-weight: 600; letter-spacing: .5px;
  text-transform: uppercase; font-size: 14px;
}
.btn:hover { background: #a93226; text-decoration: none; }

/* Services list */
.services-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.services-list li {
  background: #f7f7f7;
  border-left: 4px solid #c0392b;
  padding: 14px 16px;
  font-weight: 500;
  color: #333;
}

/* Aviso legal */
.legal p { font-size: 15px; }
.legal h2 { margin-top: 24px; }

/* Footer */
.site-footer {
  background: #2c2c2c; color: #ccc;
  padding: 30px 20px; margin-top: 60px;
  text-align: center; font-size: 14px;
}
.site-footer a { color: #fff; }
.contact-info {
  max-width: 1100px; margin: 0 auto 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px; text-align: left;
}
.contact-info h3 {
  color: #fff; font-size: 16px;
  margin-bottom: 8px; text-transform: uppercase;
  letter-spacing: 1px;
}
.contact-info p { color: #bbb; font-size: 14px; margin-bottom: 4px; }

/* Responsive */
@media (max-width: 800px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .services-list { grid-template-columns: repeat(2, 1fr); }
  .contact-info { grid-template-columns: 1fr; text-align: center; }
  .main-nav ul { gap: 14px; }
  h1 { font-size: 1.6rem; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .services-list { grid-template-columns: 1fr; }
}

.services-list a { color: #333; display: block; }
.services-list a:hover { color: #c0392b; text-decoration: none; }