* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Segoe UI", Arial, sans-serif; color: #1f2937; line-height: 1.6; }
a { color: inherit; }
.container { width: min(1100px, 100% - 32px); margin: 0 auto; }
.narrow { width: min(700px, 100% - 32px); }

.header { position: sticky; top: 0; z-index: 10; background: #fff; color: #1f2937; border-bottom: 3px solid #dc2626; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; flex-wrap: wrap; gap: 8px; }
.logo { font-size: 1.5rem; font-weight: 700; text-decoration: none; }
.logo span { color: #ef4444; }
nav a { text-decoration: none; margin-left: 18px; font-size: .95rem; }
nav a:hover { color: #ef4444; }

.hero { background: linear-gradient(135deg, #991b1b, #ef4444); color: #fff; padding: 80px 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 32px; }
.hero-tag { display: inline-block; background: rgba(255,255,255,.2); padding: 4px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600; margin-bottom: 14px; }
.hero em { font-style: normal; color: #fecaca; }
.hero-cta { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.btn-lg { padding: 15px 36px; font-size: 1.1rem; box-shadow: 0 6px 16px rgba(0,0,0,.25); }
.btn-link { font-weight: 600; text-decoration: none; }
.btn-link:hover { text-decoration: underline; }
.hero-img { width: 100%; height: auto; filter: drop-shadow(0 18px 18px rgba(0,0,0,.35)); }
.hero .btn { background: #fff; color: #dc2626; }
.hero .btn:hover { background: #fee2e2; }
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); line-height: 1.1; }
.hero p { font-size: 1.2rem; margin: 16px 0 28px; }

.btn { display: inline-block; background: #ef4444; color: #fff; border: 0; padding: 12px 28px; border-radius: 6px;
       font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { background: #dc2626; }

.section { padding: 70px 0; }
.section.alt { background: #fef2f2; }
h2 { font-size: 2rem; text-align: center; }
.sub { text-align: center; color: #6b7280; margin: 6px 0 32px; }
.narrow p:not(.sub) { text-align: center; margin-top: 16px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
#catalogo { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.12); display: flex; flex-direction: column; }
.card img { width: 100%; height: 180px; object-fit: contain; background: #e5e7eb; }
.card-body { padding: 16px; }
.marca { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: #ef4444; font-weight: 700; }
.card h3 { font-size: 1.3rem; margin: 2px 0; }
.precio { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.desc { font-size: .92rem; color: #4b5563; }

.subtitle { font-size: 1.4rem; text-align: center; color: #dc2626; margin: 40px 0 8px; }
.lead { text-align: center; max-width: 760px; margin: 0 auto 24px; }
.services { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.service { background: #fef2f2; border-left: 4px solid #dc2626; border-radius: 8px; padding: 16px; }
.service h4 { font-size: 1.05rem; margin-bottom: 6px; }
.service p { font-size: .92rem; color: #4b5563; }
.ventajas { list-style: none; max-width: 560px; margin: 16px auto 0; display: grid; gap: 8px; }
.ventajas li { padding-left: 28px; position: relative; }
.ventajas li::before { content: "✓"; position: absolute; left: 0; color: #dc2626; font-weight: 700; }
.cta { text-align: center; margin-top: 40px; }
.cta .btn { display: block; width: fit-content; margin: 16px auto 0; }

.map { width: 100%; height: 400px; border: 0; border-radius: 10px; }

.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 4px; font-weight: 600; font-size: .95rem; }
.form input, .form textarea { padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 6px; font: inherit; }
.form input:focus, .form textarea:focus { outline: 2px solid #ef4444; border-color: transparent; }

.footer { background: #dc2626; color: #fff; text-align: center; padding: 30px 0; }
.footer p { margin: 4px 0; }
.footer .small { font-size: .8rem; color: #fecaca; }

.whatsapp { position: fixed; right: 20px; bottom: 20px; width: 60px; height: 60px; border-radius: 50%; background: #25d366;
            display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,.3); z-index: 20; }
.whatsapp:hover { background: #1ebe5b; }

@media (max-width: 900px) {
  #catalogo { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  #catalogo { grid-template-columns: 1fr; }
  nav a { margin-left: 12px; }
  .hero { padding: 50px 0; text-align: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-cta { justify-content: center; }
  .hero-img { order: -1; }
}