:root{
  --blue-600:#2563eb;
  --emerald-600:#059669;
  --slate-900:#0f172a;
  --slate-700:#334155;
  --slate-100:#f1f5f9;
  --accent: var(--emerald-600);
}
html{scroll-behavior:smooth;}
body{
  font-feature-settings: 'ss01' on;
}

/* Navbar */
.custom-navbar{
  transition: background-color .3s, box-shadow .3s;
  background: rgba(255,255,255,.95); /* Más opaco para mejor contraste */
  backdrop-filter: blur(8px);
  padding-top: 2px;
  padding-bottom: 2px;
}
.custom-navbar.scrolled{
  background:#ffffff;
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
}
.navbar .navbar-brand {
  color: var(--slate-900) !important;
  font-weight: bold;
}
.navbar .nav-link {
  color: #23343a !important;
  font-weight: 500;
  padding-top: 6px;
  padding-bottom: 6px;
  font-size: 0.98rem;
  margin-left: 24px;
}
.navbar .nav-link:hover {
  color: var(--slate-900) !important;
}
.btn-accent{
  background: var(--accent);
  color:#fff;
  border-radius: 999px;
  padding:.6rem 1rem;
  border:none;
}
.btn-accent:hover{filter:brightness(0.95); color:#fff}
.btn-glow{box-shadow:0 0 0 rgba(5,150,105,0); transition: transform .2s, box-shadow .4s;}
.btn-glow:hover{transform: translateY(-2px); box-shadow:0 8px 30px rgba(5,150,105,.4)}

/* Hero */
.hero{
  min-height: 100vh;
  background: radial-gradient(1000px 500px at 80% 20%, rgba(37,99,235,.25), transparent 70%), 
              radial-gradient(1000px 500px at 20% 80%, rgba(5,150,105,.25), transparent 70%),
              linear-gradient(120deg, #0f172a 0%, #111827 100%);
  position: relative;
  isolation:isolate;
}
.hero .badge.bg-soft-blue{background: rgba(37,99,235,.15)}
.hero-shape{
  position:absolute; inset-inline:0; bottom:-1px; height:120px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), #fff);
  z-index:0;
}

/* Services */
.service-card{
  border: 1px solid #e2e8f0;
  border-radius: 1.25rem;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(2,6,23,.08);
  border-color: #cbd5e1;
}
.service-card .card-title{color:var(--slate-900)}

/* Value */
.value-item{
  border:1px solid #e2e8f0;
  border-radius: 1.25rem;
  background:#fff;
  transition: transform .25s ease, box-shadow .25s ease;
}
.value-item:hover{transform: translateY(-4px); box-shadow:0 10px 24px rgba(2,6,23,.06)}
.value-dot{
  display: none;
}

/* About illustration */
.about-illustration{
  height: 280px;
  background:
    radial-gradient(200px 100px at 20% 30%, rgba(37,99,235,.2), transparent 70%),
    radial-gradient(200px 100px at 80% 70%, rgba(5,150,105,.2), transparent 70%),
    linear-gradient(180deg,#fff 0%,#f8fafc 100%);
  border:1px solid #e2e8f0;
}

/* Contact */
form .form-control:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 .2rem rgba(5,150,105,.15);
}

/* Floating Action Buttons */
.fab-container{
  position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 12px; z-index: 1050;
}
.fab{
  width: 52px; height: 52px; display:flex; align-items:center; justify-content:center; border-radius:999px; color:#fff; text-decoration:none; box-shadow:0 10px 24px rgba(2,6,23,.25); transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.fab:hover{transform: translateY(-3px); filter:brightness(1.05)}
.fab-whatsapp{background:#25D366}
.fab-mail{background:var(--blue-600); font-weight:700; font-family: ui-sans-serif, system-ui;}

/* Scroll reveal */
[data-reveal]{opacity:0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease;}
[data-reveal].is-visible{opacity:1; transform:none;}

/* Mejoras visuales para servicios y detalles responsivos */

/* Espaciado y sombra para los detalles */
.collapse .card-body {
  background: #f8fafc;
  border-radius: 1rem;
  box-shadow: 0 4px 24px rgba(37,99,235,0.07);
  font-size: 1rem;
  color: #23343a;
}

/* Espaciado entre tarjeta y detalle */
.collapse {
  margin-bottom: 12px;
}

/* Mejorar visualización en móvil */
@media (max-width: 576px) {
  .service-card {
    margin-bottom: 0;
    border-radius: 1.2rem;
  }
  .collapse .card-body {
    font-size: 0.98rem;
    padding: 1rem 0.7rem;
  }
  .card.service-card {
    box-shadow: 0 2px 12px rgba(37,99,235,0.06);
  }
}

/* Mejorar visualización en escritorio */
@media (min-width: 577px) {
  .service-card {
    min-height: 320px;
  }
  .collapse .card-body {
    padding: 1.2rem 1.5rem;
  }
}

/* Animación suave al mostrar detalles */
.collapse:not(.show) {
  display: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.collapse.show {
  display: block;
  opacity: 1;
  transition: opacity 0.3s;
}

/* Forzar color visible en navbar */
.navbar .nav-link,
.navbar .navbar-brand {
  color: #23343a !important;
}

/* Mostrar el menú en escritorio aunque esté colapsable */
@media (min-width: 992px) {
  .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
    visibility: visible !important;
    opacity: 1 !important;
    height: auto !important;
  }
}