* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background: #ffffff;
  color: #222222;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

/* Layout base */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */
.header {
  background: #004A86; /* Azul del logo */
  color: #ffffff;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Logo como imagen */
.logo-img {
  height: 55px;
  width: auto;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-main {
  font-weight: 700;
  font-size: 1rem;
  color: #ffffff;
}

.brand-sub {
  font-size: 0.8rem;
  opacity: 0.9;
  color: #ffffff;
}

.brand-sub-mat {
  font-size: 0.75rem;
  opacity: 0.9;
  color: #ffffff;
}

.btn-wsp-header {
  background: #25d366;
  color: #ffffff;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

/* HERO */
.hero {
  padding: 3.5rem 0 2.5rem;
  background: linear-gradient(135deg, #f5f9ff, #ffffff);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  align-items: center;
  gap: 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: #004A86; /* Azul del logo */
}

.hero-subtitle {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.hero-list {
  margin-bottom: 1.5rem;
  padding-left: 1.1rem;
}

.hero-list li {
  margin-bottom: 0.4rem;
  list-style: disc;
}

.btn-cta {
  display: inline-block;
  background: #ffb400;
  color: #003366;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.hero-note {
  font-size: 0.9rem;
  color: #555555;
}

/* HERO IMAGES - FOTOS REALES */
.hero-image {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.hero-photo {
  border-radius: 0.8rem;
  min-height: 160px;
  background-size: cover;
  background-position: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.hero-photo-gas {
  background-image: url("gas-siv.jpg");
}

.hero-photo-termofusion {
  background-image: url("termofusion-siv.jpg");
}

.hero-photo-inodoro {
  background-image: url("inodoro-siv.jpg");
}

/* SECCIONES GENERALES */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: #f7f9fb;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  color: #004A86; /* Azul del logo */
}

.section-intro {
  margin-bottom: 1.5rem;
  color: #444444;
}

/* CARDS SERVICIOS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: #004A86; /* Azul del logo */
}

.card ul {
  padding-left: 1.1rem;
}

.card li {
  list-style: disc;
  margin-bottom: 0.4rem;
}

/* ZONAS */
.zones-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.zone-item {
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid #004A86;
  color: #004A86;
  font-size: 0.9rem;
  font-weight: 600;
  background: #ffffff;
}

.zones-note {
  font-size: 0.9rem;
  color: #555555;
}

/* BENEFICIOS */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.benefit h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: #004A86; /* Azul del logo */
}

/* CONTACTO */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: flex-start;
}

.contact-list {
  margin-bottom: 1rem;
}

.contact-list li {
  margin-bottom: 0.4rem;
}

.contact-box {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  font-size: 0.95rem;
  color: #444444;
}

/* MAPA */
.map-wrapper {
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.map-wrapper iframe {
  width: 100%;
  height: 320px;
  border: 0;
}

/* FOOTER */
.footer {
  background: #004A86; /* Azul del logo */
  color: #ffffff;
  padding: 1rem 0;
  font-size: 0.85rem;
}

.footer-inner {
  text-align: center;
  line-height: 1.4;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-wsp-header {
    align-self: stretch;
    text-align: center;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }
}