:root {
  --accent: #1d7ed6;
  --muted: #6c757d;
  --light: #f8f9fa;
}

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

/* HERO */
.hero {
  background: linear-gradient(90deg, rgba(29,126,214,0.9), rgba(29,126,214,0.8)), url('../hero.jpg') center/cover no-repeat;
  color: #fff;
  min-height: 75vh;
  display: flex;
  align-items: center;
  animation: fadeIn 1.2s ease-in-out;
}

/* CARD HOVER */
.card-hover {
  transition: all .3s ease;
}
.card-hover:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 30px rgba(0,0,0,.15);
}

/* ICONES */
.service-icon {
  font-size: 40px;
  color: var(--accent);
}

/* GALLERY */
.gallery-item {
  overflow: hidden;
  border-radius: .75rem;
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform .5s ease, filter .5s ease;
}
.gallery-item:hover img {
  transform: scale(1.1);
  filter: brightness(0.85);
}
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(29,126,214,0.25);
  opacity: 0;
  transition: .4s;
}
.gallery-item:hover::after {
  opacity: 1;
}

/* BUTTONS */
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
  transition: .3s;
}
.btn-accent:hover {
  background: #125b9d;
  color: #fff;
  transform: scale(1.05);
}

/* FOOTER */
footer {
  background: #0a1c2e;
  color: #dfeee9;
}
.brand {
  font-weight: 800;
  letter-spacing: .4px;
  color: var(--accent);
}

/* ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px);}
  to { opacity: 1; transform: translateY(0);}
}

.fade-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all .8s ease-out;
}
.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* BOUTON FLOTTANT WHATSAPP */
.floating-wa {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1050;
}

.floating-wa .btn {
  border-radius: 50px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  padding: 12px 18px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease;
}

.floating-wa .btn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 22px rgba(0,0,0,0.35);
}