:root{
  --brand:#0ea5e9;       /* primario */
  --brand-ink:#0b4a66;   /* tono oscuro */
  --ink:#0f172a;         /* texto principal */
  --muted:#f6f8fb;       /* gris claro */
  --line:#e5e7eb;        /* bordes */
  --radius:14px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;color:var(--ink)}

/* Utilidades */
.container{max-width:var(--max);margin:0 auto;padding:0 16px}
.h3{font-size:1.5rem;margin:0 0 .5rem}
.h5{font-size:1.1rem;margin:0 0 .25rem}
.lead{font-size:1.125rem;color:#334155}
.caption{font-size:.85rem;color:#475569}
.eyebrow{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:#64748b;margin:0 0 .25rem}
.stack{display:flex;gap:.75rem;flex-wrap:wrap}
.sr-only{position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;overflow:hidden}

/* Botones */
.btn{display:inline-block;padding:.75rem 1rem;border-radius:999px;border:1px solid transparent;text-decoration:none;font-weight:600}
.btn--primary{background:var(--brand);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--whatsapp{background:#25D366;color:#fff;border-color:#25D366;transition:all 0.3s ease}
.btn--whatsapp:hover{background:#128C7E;border-color:#128C7E;transform:translateY(-2px);box-shadow:0 8px 25px rgba(37, 211, 102, 0.3)}
.btn--whatsapp i{margin-right:0.5rem;font-size:1.1em}
.btn:hover{filter:brightness(.95)}

/* Layout general */
.site{min-height:100vh;display:flex;flex-direction:column}
.site-main{flex:1}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:8px;top:8px;background:#fff;padding:.5rem 1rem;border-radius:8px}

/* Nav */
.nav{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.nav__row{display:flex;align-items:center;gap:16px;min-height:64px}
.nav__brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700}
.nav__brand-text{font-size:1.125rem}
.nav__toggle{margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:8px;padding:.5rem .6rem;display:none}
.nav__list{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav__item a{color:var(--ink);text-decoration:none;padding:.75rem 0;display:inline-block}
.nav__cta{margin-left:auto;display:flex;justify-content:flex-end}

/* Bootstrap Integration for Navigation */
.navbar-collapse {
  flex-grow: 0;
}

/* Responsive Navigation */
@media (max-width: 991.98px) {
  .nav__toggle{display:inline-block}
  .nav__list{
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 16px;
    flex-direction: column;
    gap: 0;
  }
  
  .nav__list.show {
    display: flex;
  }
  
  .nav__item {
    width: 100%;
  }
  
  .nav__item a {
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--muted);
  }
  
  .nav__item:last-child a {
    border-bottom: none;
  }
  
  .nav__cta {
    margin-left: auto;
    margin-top: 0;
    justify-content: flex-end;
  }
  
  .nav__cta .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .nav__row {
    padding: 0 16px;
  }
  
  .nav__brand img {
    height: 60px !important;
  }
}

/* Hero */
.hero{
  background: var(--muted) url('../images/background.png') no-repeat center center;
  background-size: cover;
  padding: 82px 0;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(246, 248, 251, 0.5);
  z-index: 1;
}

.hero__grid{
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr .8fr;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__info h1{
  font-size: 2rem;
  margin: .25rem 0 .5rem;
  color: var(--ink);
}

.hero__info .eyebrow {
  color: var(--brand);
  font-weight: 600;
}

.hero__info .lead {
  color: var(--ink);
  font-weight: 500;
}

.media-placeholder{
  height: 240px;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  display: grid;
  place-items: center;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

@media (max-width: 991.98px){
  .hero__grid{grid-template-columns:1fr}
  .hero {
    padding: 57px 0;
  }
  
  .hero__info h1 {
    font-size: 1.75rem;
    text-align: center;
  }
  
  .hero__info {
    text-align: center;
  }
  
  .stack {
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .hero {
    padding: 41px 0;
  }
  
  .hero__info h1 {
    font-size: 1.5rem;
  }
  
  .stack {
    flex-direction: column;
    align-items: center;
  }
  
  .stack .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Secciones */
.section{padding:40px 0}
.section--strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--muted{background:var(--muted)}
.section--legal{background:#fff;color:#475569}
.section--cta{background:#fff;border-top:1px solid var(--line)}

@media (max-width: 767.98px) {
  .section {
    padding: 32px 0;
  }
}

@media (max-width: 575.98px) {
  .section {
    padding: 24px 0;
  }
}

/* Price strip */
.price{display:flex;align-items:center;justify-content:space-between;gap:24px}
.price__value{font-size:1.75rem;font-weight:700;color:var(--brand-ink);margin:.25rem 0}
.price__note{font-weight:600;color:#475569;font-size:1rem}

@media (max-width: 767.98px){
  .price{flex-direction:column;align-items:flex-start}
  .price__value {
    font-size: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .price {
    gap: 16px;
  }
  
  .price__value {
    font-size: 1.25rem;
  }
}

/* Grid + cards */
.grid{display:grid;gap:16px}
.grid--3{grid-template-columns:repeat(3, minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}

@media (max-width: 991.98px){
  .grid--3{grid-template-columns:repeat(2, minmax(0,1fr))}
}

@media (max-width: 767.98px){
  .grid--3{grid-template-columns:1fr}
  .grid {
    gap: 12px;
  }
  
  .card {
    padding: 20px;
  }
}

@media (max-width: 575.98px) {
  .card {
    padding: 16px;
  }
}

/* Planes */
.plans{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.plan__header{padding:16px;border-bottom:1px solid var(--line);font-weight:700}
.plan__body{padding:16px}

@media (max-width: 767.98px){
  .plans{grid-template-columns:1fr}
  .plan {
    margin-bottom: 16px;
  }
}

@media (max-width: 575.98px) {
  .plan__header,
  .plan__body {
    padding: 12px;
  }
}

/* Listas */
.list{margin:0;padding-left:1.2rem}
.list--check{list-style:"✔  ";padding-left:1.4rem}

@media (max-width: 575.98px) {
  .list {
    padding-left: 1rem;
  }
  
  .list--check {
    padding-left: 1.2rem;
  }
}

/* Accordion */
.accordion__item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:8px;background:#fff}
.accordion__header{width:100%;text-align:left;background:#fff;border:0;padding:14px 16px;font-weight:600;border-radius:var(--radius)}
.accordion__panel{display:none;padding:0 16px 16px}
.accordion__item.is-open .accordion__panel{display:block}

@media (max-width: 575.98px) {
  .accordion__header {
    padding: 12px 16px;
  }
  
  .accordion__panel {
    padding: 0 16px 12px;
  }
}

/* Footer */
.footer{background:#0f172a;color:#cbd5e1}
.footer__grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));padding:32px 0}
.footer__grid a{color:#cbd5e1}

@media (max-width: 767.98px) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 24px 0;
  }
}

@media (max-width: 575.98px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px 0;
    text-align: center;
  }
  
  .footer__grid section {
    border-bottom: 1px solid #334155;
    padding-bottom: 16px;
  }
  
  .footer__grid section:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

/* Bootstrap Utility Classes Override */
@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .row {
    margin-left: -8px;
    margin-right: -8px;
  }
  
  .col,
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    padding-left: 8px;
    padding-right: 8px;
  }
}

@media (max-width: 767.98px) {
  .row {
    margin-left: -12px;
    margin-right: -12px;
  }
  
  .col,
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    padding-left: 12px;
    padding-right: 12px;
  }
}

/* Enhanced Mobile Typography */
@media (max-width: 767.98px) {
  h1, .h1 {
    font-size: 1.75rem;
  }
  
  h2, .h2 {
    font-size: 1.5rem;
  }
  
  h3, .h3 {
    font-size: 1.25rem;
  }
  
  h4, .h4 {
    font-size: 1.125rem;
  }
  
  h5, .h5 {
    font-size: 1rem;
  }
  
  h6, .h6 {
    font-size: 0.9rem;
  }
  
  .lead {
    font-size: 1rem;
  }
}

@media (max-width: 575.98px) {
  h1, .h1 {
    font-size: 1.5rem;
  }
  
  h2, .h2 {
    font-size: 1.25rem;
  }
  
  h3, .h3 {
    font-size: 1.125rem;
  }
  
  .lead {
    font-size: 0.9rem;
  }
}

/* Enhanced Mobile Spacing */
@media (max-width: 767.98px) {
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  .py-4 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
  }
  
  .py-3 {
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
  }
  
  .mb-5 {
    margin-bottom: 1.5rem !important;
  }
  
  .mb-4 {
    margin-bottom: 1rem !important;
  }
  
  .mb-3 {
    margin-bottom: 0.75rem !important;
  }
}

@media (max-width: 575.98px) {
  .py-5 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
  }
  
  .py-4 {
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
  }
  
  .py-3 {
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
  }
  
  .mb-5 {
    margin-bottom: 1rem !important;
  }
  
  .mb-4 {
    margin-bottom: 0.75rem !important;
  }
  
  .mb-3 {
    margin-bottom: 0.5rem !important;
  }
}

/* Print Styles */
@media print {
  .nav,
  .nav__toggle,
  .footer {
    display: none !important;
  }
  
  .site {
    min-height: auto;
  }
  
  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }
  
  .section {
    padding: 16px 0 !important;
  }
  
  .hero {
    background: white !important;
    padding: 16px 0 !important;
  }
}

/* Modal Styles */
.modal-content {
  border: none;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.modal-header {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 1.5rem 1rem;
}

.modal-title {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.25rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 1.5rem 1.5rem;
}

.form-label {
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.form-control {
  border: 2px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
  outline: none;
}

.form-control.is-valid {
  border-color: #28a745;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid {
  border-color: #dc3545;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4M7.2 4.6l-1.4 1.4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #dc3545;
}

.alert {
  border: none;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border-left: 4px solid #dc3545;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
  border-left: 4px solid #17a2b8;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border-left: 4px solid #ffc107;
}

.btn-close {
  background-size: 1.25em;
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.btn-close:hover {
  opacity: 1;
}

/* Spinner styles */
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* Modal animations */
.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
  transform: translate(0, -50px);
}

.modal.show .modal-dialog {
  transform: none;
}

/* Responsive modal adjustments */
@media (max-width: 575.98px) {
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1rem;
  }
}

/* Estilos para el botón de acceso clientes */
.nav__cta .btn {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.025em;
  transition: all 0.3s ease;
  border-width: 2px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  background-color: #fff;
  color: var(--brand);
  border-color: var(--brand);
}

.nav__cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25);
  background-color: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.nav__cta .btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(14, 165, 233, 0.2);
}

.nav__cta .btn i {
  font-size: 0.85rem;
  margin-right: 0.5rem;
}

/* Responsive adjustments para el botón de acceso clientes */
@media (max-width: 991.98px) {
  .nav__cta .btn {
    width: 100%;
    margin-top: 0.5rem;
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .nav__cta .btn {
    font-size: 0.85rem;
    padding: 0.75rem 1.5rem;
  }
  
  .nav__cta {
    margin-left: auto;
    justify-content: flex-end;
  }
}