/* ==========================================================================
   Contabilidad FR — hoja de estilos
   Estructura: base → componentes → secciones (en orden de aparición) → footer
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  src: url("../assets/archivo-var.woff2") format("woff2");
  font-weight: 500 700;
  font-display: swap;
}

:root {
  --azul: #1467d2;
  --azul-oscuro: #0f54ae;
  --azul-tinte: #eaf2fc;
  --azul-tinte-2: #dcebfa;
  --navy: #13273e;
  --navy-suave: #1b3453;
  --texto: #3d5064;
  --texto-suave: #56687c; /* ≥4.5:1 sobre blanco y sobre --azul-tinte (WCAG AA) */
  --verde: #117f45; /* ≥4.5:1 con texto blanco (WCAG AA) */
  --verde-oscuro: #0d6f3b;
  --verde-tinte: #e5f5eb;
  --gris-fondo: #f6f8fb;
  --borde: #dfe6ee;
  --blanco: #fff;

  --fuente-titulos: "Archivo", "Segoe UI", Roboto, Arial, sans-serif;
  --fuente-texto: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --radio: 12px;
  --radio-grande: 16px;
  --sombra-suave: 0 1px 2px rgba(19, 39, 62, 0.06), 0 4px 16px rgba(19, 39, 62, 0.06);
  --sombra-media: 0 2px 4px rgba(19, 39, 62, 0.08), 0 12px 32px rgba(19, 39, 62, 0.1);
  --transicion: 180ms ease;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--fuente-titulos);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--azul);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--azul);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: min(100% - 2.5rem, 1140px);
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 2.5rem, 780px);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--navy);
  color: var(--blanco);
  border-radius: 0 0 8px 8px;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

.nowrap {
  white-space: nowrap;
}

/* Revelado suave al hacer scroll (solo con JS activo y sin reduced-motion) */
.js .reveal {
  opacity: 0;
  translate: 0 14px;
  transition: opacity 450ms ease, translate 450ms ease;
}

.js .reveal.is-in {
  opacity: 1;
  translate: 0 0;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    translate: none;
    transition: none;
  }
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--fuente-titulos);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transicion), border-color var(--transicion),
    color var(--transicion), box-shadow var(--transicion), translate var(--transicion);
}

.btn:active {
  translate: 0 1px;
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--azul);
  color: var(--blanco);
}

.btn-primary:hover {
  background: var(--azul-oscuro);
  box-shadow: var(--sombra-suave);
}

.btn-whatsapp {
  background: var(--verde);
  color: var(--blanco);
}

.btn-whatsapp:hover {
  background: var(--verde-oscuro);
  box-shadow: var(--sombra-suave);
}

.btn-outline {
  background: var(--blanco);
  border-color: var(--borde);
  color: var(--navy);
}

.btn-outline:hover {
  border-color: var(--azul);
  color: var(--azul);
}

/* ---------- Encabezado ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  transition: box-shadow var(--transicion);
}

.site-header.is-scrolled {
  box-shadow: var(--sombra-suave);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-mark {
  flex-shrink: 0;
  margin: 6px 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list a:not(.btn) {
  display: block;
  padding: 0.5rem 0.8rem;
  font-family: var(--fuente-titulos);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  border-radius: 8px;
  transition: color var(--transicion), background-color var(--transicion);
}

.nav-list a:not(.btn):hover {
  color: var(--azul);
  background: var(--azul-tinte);
}

.nav-cta {
  margin-left: 0.5rem;
}

/* Botón hamburguesa: oculto en escritorio */
.nav-toggle {
  display: none;
  border: 1px solid var(--borde);
  background: var(--blanco);
  border-radius: 10px;
  padding: 0.6rem;
  cursor: pointer;
}

.nav-toggle-box {
  display: block;
  width: 20px;
  height: 14px;
  position: relative;
}

.nav-toggle-line,
.nav-toggle-line::before,
.nav-toggle-line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--navy);
  transition: rotate var(--transicion), translate var(--transicion), opacity var(--transicion);
}

.nav-toggle-line {
  top: 6px;
}

.nav-toggle-line::before {
  top: -6px;
}

.nav-toggle-line::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line {
  rotate: 45deg;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::before {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::after {
  top: 0;
  rotate: -90deg;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--borde);
    box-shadow: var(--sombra-media);
    display: none;
  }

  .site-header.nav-open .site-nav {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1.25rem;
    gap: 0.15rem;
  }

  .nav-list a:not(.btn) {
    padding: 0.75rem 0.8rem;
    font-size: 1rem;
  }

  .nav-cta {
    margin: 0.5rem 0 0;
  }

  .nav-cta .btn {
    width: 100%;
  }
}

/* ---------- Secciones (genérico) ---------- */

.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}

.section-alt {
  background: var(--gris-fondo);
}

.section-band {
  background: linear-gradient(180deg, var(--azul-tinte) 0%, var(--azul-tinte-2) 100%);
}

.section-head {
  max-width: 640px;
  margin: 0 auto clamp(2rem, 5vw, 3rem);
  text-align: center;
}

.section-lead {
  color: var(--texto-suave);
}

.eyebrow {
  font-family: var(--fuente-titulos);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 0.75rem;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--azul-tinte) 0%, #f3f8fe 100%);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-lead {
  font-size: 1.12rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.hero-claims {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin-top: 1.5rem;
  font-size: 0.92rem;
  color: var(--texto-suave);
}

.hero-claims li {
  position: relative;
  padding-left: 1.4rem;
}

.hero-claims li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 0.85em;
  height: 0.85em;
  border-radius: 50%;
  background: var(--verde-tinte);
  /* check dibujado con máscara para heredar el color */
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="none" stroke="%2312894a" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round" d="m3.5 8.5 3 3 6-7"/></svg>');
  background-size: 70%;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-media {
  border-radius: var(--radio-grande);
  overflow: hidden;
  box-shadow: var(--sombra-media);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--azul-tinte-2);
}

@media (max-width: 820px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
    max-height: 300px;
  }
}

/* ---------- Servicios ---------- */

.group-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texto-suave);
  margin: 2.5rem 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--borde);
}

.cards-grid {
  display: grid;
  gap: 1.25rem;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 980px) {
  .cards-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .cards-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .cards-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  transition: box-shadow var(--transicion), border-color var(--transicion),
    translate var(--transicion);
}

.card:hover {
  border-color: var(--azul-tinte-2);
  box-shadow: var(--sombra-media);
  translate: 0 -3px;
}

.card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.card p {
  font-size: 0.94rem;
  color: var(--texto-suave);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--azul-tinte);
  color: var(--azul);
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

/* Tarjetas con precio */
.card-price {
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--azul);
}

.card-price-head {
  margin-bottom: 0.75rem;
}

.card-price-head h4 {
  margin-bottom: 0.5rem;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0;
}

.price-amount {
  font-family: var(--fuente-titulos);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.price-from,
.price-currency {
  font-size: 0.85rem;
  color: var(--texto-suave);
}

.card-price p {
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.1rem;
  font-family: var(--fuente-titulos);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--verde);
  text-decoration: none;
}

.card-link::after {
  content: "→";
  transition: translate var(--transicion);
}

.card-link:hover {
  color: var(--verde-oscuro);
  text-decoration: underline;
}

.card-link:hover::after {
  translate: 3px 0;
}

/* ---------- Nosotros ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split-media {
  margin: 0;
  border-radius: var(--radio-grande);
  overflow: hidden;
  box-shadow: var(--sombra-media);
}

.check-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.check-list li {
  position: relative;
  padding-left: 2.1rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.35em;
  height: 1.35em;
  border-radius: 50%;
  background-color: var(--verde-tinte);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="none" stroke="%2312894a" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round" d="m4 8.5 2.8 2.8L12 5"/></svg>');
  background-size: 62%;
  background-position: center;
  background-repeat: no-repeat;
}

@media (max-width: 820px) {
  .split {
    grid-template-columns: 1fr;
  }
}

/* ---------- Beneficios ---------- */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin-inline: auto;
}

.benefit {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radio);
  padding: 1.4rem 1.5rem;
}

.benefit h3 {
  font-size: 1.02rem;
  margin-bottom: 0.35rem;
}

.benefit p {
  font-size: 0.94rem;
  color: var(--texto);
}

@media (max-width: 640px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Calculadora IVA ---------- */

.calc {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-grande);
  box-shadow: var(--sombra-suave);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.calc-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border: 0;
  padding: 0;
  margin: 0 0 1.5rem;
}

.calc-mode {
  position: relative;
  cursor: pointer;
}

.calc-mode input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.calc-mode span {
  display: block;
  text-align: center;
  padding: 0.7rem 0.5rem;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-family: var(--fuente-titulos);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--texto);
  transition: background-color var(--transicion), border-color var(--transicion),
    color var(--transicion);
}

.calc-mode input:checked + span {
  background: var(--azul-tinte);
  border-color: var(--azul);
  color: var(--azul-oscuro);
  font-weight: 600;
}

.calc-mode input:focus-visible + span {
  outline: 3px solid var(--azul);
  outline-offset: 2px;
}

.calc-label {
  display: block;
  font-family: var(--fuente-titulos);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 0.45rem;
}

.calc-field {
  display: flex;
  align-items: center;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}

.calc-field:focus-within {
  border-color: var(--azul);
  box-shadow: 0 0 0 3px var(--azul-tinte-2);
}

.calc-prefix {
  padding: 0 0 0 1rem;
  font-family: var(--fuente-titulos);
  font-weight: 600;
  color: var(--texto-suave);
}

.calc-field input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0.85rem 1rem 0.85rem 0.5rem;
  font-family: var(--fuente-titulos);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--navy);
}

.calc-field input:focus {
  outline: none;
}

.calc-help {
  font-size: 0.82rem;
  color: var(--texto-suave);
  margin: 0.45rem 0 0;
}

.calc-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.calc-result {
  background: var(--gris-fondo);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  text-align: center;
}

.calc-result-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--texto-suave);
  margin-bottom: 0.2rem;
}

.calc-result-value {
  font-family: var(--fuente-titulos);
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: var(--navy);
}

.calc-result-total {
  background: var(--azul-tinte);
}

.calc-result-total .calc-result-value {
  color: var(--azul-oscuro);
}

.calc-note {
  font-size: 0.82rem;
  color: var(--texto-suave);
  margin: 1.1rem 0 0;
}

@media (max-width: 560px) {
  .calc-results {
    grid-template-columns: 1fr;
  }
}

/* ---------- Preguntas frecuentes ---------- */

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  transition: border-color var(--transicion);
}

.faq-item[open] {
  border-color: var(--azul-tinte-2);
  box-shadow: var(--sombra-suave);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  font-family: var(--fuente-titulos);
  font-weight: 600;
  color: var(--navy);
  list-style: none;
  border-radius: var(--radio);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--azul-tinte);
  color: var(--azul);
  font-size: 1.2rem;
  font-weight: 500;
  transition: rotate var(--transicion);
}

.faq-item[open] summary::after {
  rotate: 45deg;
}

.faq-item p {
  padding: 0 1.4rem 1.2rem;
  color: var(--texto);
}

/* ---------- Contacto ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.whatsapp-panel {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.3rem 1.5rem;
  background: var(--verde);
  color: var(--blanco);
  border-radius: var(--radio);
  text-decoration: none;
  transition: background-color var(--transicion), box-shadow var(--transicion);
}

.whatsapp-panel:hover {
  background: var(--verde-oscuro);
  box-shadow: var(--sombra-media);
}

.whatsapp-panel .icon {
  width: 2.2rem;
  height: 2.2rem;
}

.whatsapp-panel-text {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}

.whatsapp-panel-text strong {
  font-family: var(--fuente-titulos);
  font-size: 1.05rem;
}

.whatsapp-panel-text span {
  font-size: 0.9rem;
  opacity: 0.92;
}

.whatsapp-panel-number {
  font-family: var(--fuente-titulos);
  font-size: 1.25rem !important;
  font-weight: 700;
  margin-top: 0.3rem;
  opacity: 1 !important;
}

.contact-alt {
  margin-top: 1.25rem;
  font-size: 0.94rem;
  color: var(--texto-suave);
}

/* Formulario */

.contact-form {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-grande);
  box-shadow: var(--sombra-suave);
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-family: var(--fuente-titulos);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--navy);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px var(--azul-tinte-2);
}

.form-field input:user-invalid,
.form-field textarea:user-invalid {
  border-color: #c23b3b;
}

.form-status {
  min-height: 1.4em;
  margin: 0.9rem 0 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--verde-oscuro);
}

.form-status.is-error {
  color: #b02f2f;
}

.form-note {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--texto-suave);
}

@media (max-width: 820px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: #b9c6d6;
  padding: clamp(2.5rem, 6vw, 4rem) 0 0;
  font-size: 0.94rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 30ch;
}

.footer-col h3 {
  color: var(--blanco);
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #b9c6d6;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--blanco);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--navy-suave);
  font-size: 0.85rem;
  color: #8fa2b8;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Botón flotante de WhatsApp ---------- */

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  box-shadow: 0 4px 16px rgba(13, 111, 59, 0.35);
  transition: background-color var(--transicion), translate var(--transicion);
}

.whatsapp-float:hover {
  background: var(--verde-oscuro);
  translate: 0 -2px;
}

.whatsapp-float .icon {
  width: 30px;
  height: 30px;
}

@media print {
  .whatsapp-float,
  .nav-toggle {
    display: none;
  }
}