/* ====== Variables y base ====== */
:root {
  --blue: #1976d2;
  --edge: #ffffff;
  --line-height: 6px;
  --gap: 16px;
  --maxw: 1100px;
  --text: #222;
  --muted: #444;
  --card: #f8f9fb;
  --card-border: #e6e9ef;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
  color: var(--text);
  background: #fff;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

/* ====== Línea con degradado azul→blanco ====== */
.gradient-line {
  height: var(--line-height);
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg,
      var(--edge) 0%,
      rgba(25, 118, 210, 0.12) 30%,
      var(--blue) 50%,
      rgba(25, 118, 210, 0.12) 70%,
      var(--edge) 100%);
  margin: 10px 0 0 0;
}


/* ====== Header ====== */
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background-color: #0473cc;
  background-size: cover;
  background-position: center;
  width: 100vw;
  /* ocupa todo el ancho visible */
  height: 100px;
  box-sizing: border-box;
  padding: 0 40px;
  /* para que el contenido no pegue a los bordes */
}



#logo-principal {
  height: 100px;
  width: auto;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

nav a {
  font-weight: 600;
  color: #FFFFFF;

}

nav a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ====== Main ====== */
main {
  min-height: 50vh;
  padding: 24px 0;
}

.banner-img {
  width: 100%;
  height: 400px;
  border-radius: 4px;
}

/* ====== Sección: Soluciones ====== */
.soluciones {
  padding: 32px 16px;
}

.soluciones h2 {
  text-align: center;
  margin: 0 0 24px;
}

.sol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.sol-item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
}

.sol-icon {
  width: 130px;
  height: 130px;
  margin: 4px auto 12px;
  display: block;
}

.sol-item h3 {
  margin: 8px 0 8px;
}

.sol-item p {
  margin: 0;
  color: var(--muted);
}

/* ====== Footer (grid 4 columnas responsive) ====== */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  /* móvil: 1 columna */
  gap: var(--gap);
  align-items: start;
  background-color: #ebebeb;
  background-size: cover;
  background-position: center;
  box-sizing: border-box;
  padding: 24px 40px;
  /* arriba/abajo y laterales */
  width: 100%;
  /* ocupa todo el ancho visible */
  margin: 0;
  /* elimina márgenes externos */
  font-size: 12px;
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    /* desktop: 4 columnas */
  }
}

.brand-footer {
  padding-left: 25%;
  padding-top: 25%;
  height: 160px;
  width: auto;
}

.social {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social h3 {
  margin: 0;
}

.social-icons {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
}

.social-icons a img {
  height: 35px;
  width: auto;
  display: block;
}

address {
  font-style: normal;
}

/* ====== Accesibilidad mínima ====== */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.derecho-autor {
  width: 100vw;
  /* ocupa todo el ancho visible */
  background-color: #ebebeb;
  /* gris */
  padding: 10px 40px;
  /* espacio arriba/abajo y laterales */
  box-sizing: border-box;
  /* evita desbordes */
  margin: 0;
  /* elimina márgenes externos */
  text-align: center;
  /* alinea el texto a la derecha */
  font-size: 14px;
  /* opcional: tamaño del texto */
}

.gradient-line2 {
  height: var(--line-height);
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg,
      var(--edge) 0%,
      rgba(25, 118, 210, 0.12) 30%,
      var(--blue) 50%,
      rgba(25, 118, 210, 0.12) 70%,
      var(--edge) 100%);
  margin: -30px 0 0 0;
}

.TITLE-FOOT {
  color: #1976d2;
}

/* Seccion de AppSheet */
.Item1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 5px 0;
  margin-right: 15%;
}

.Item1 img {
  margin-left: 10%;
  max-width: 300px;
  height: auto;
}

.bicicletas-azules {
  flex: 1;
  line-height: 1.6;
  text-align: center;
  max-width: 400px;
  font-size: 12px;
}


/* Seccion de BD */
.Item2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 5px 0;
  margin-right: 15%;
}

.Item2 img {

  max-width: 400px;
  height: auto;
}

.Item3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 5px 0;
  margin-right: 15%;
}

.Item3 img {

  max-width: 500px;
  height: auto;
}
.Item5 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 5px 0;
  margin-right: 15%;
  font-size: 12px;
}

.Item5 img {

  
  height: 400px;
  width: 400px;
}
.Item6 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 5px 0;
  margin-right: 15%;
  font-size: 12px;
  
}

.Item6 img {

  height: 400px;
  width: 400px;
}
.estacionesautomaticas {
  flex: 1;
  line-height: 1.6;
  text-align: center;
  max-width: 400px;
  font-size: 12px;
  margin: 1px 0;
  line-height: 1.1;

}
.estacionesmanuales {
  flex: 1;
  line-height: 1.0;
  text-align: center;
  max-width: 400px;
  font-size: 12px;
  margin: 1px 0;

}
.bicicletas-verdes {
  flex: 1;
  line-height: 1.6;
  text-align: center;
  max-width: 400px;
}




#titulosbicicletas {
  text-align: center;
  /* centra el texto */
  margin-top: 40px;
  color: #0473cc;
}

.bicicletas-contenedor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* dos columnas iguales */
  gap: 40px;
  /* espacio entre columnas */
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
  line-height: 1.6;
  font-family: 'Arial', sans-serif;
  color: #333;
}

.columna h2 {
  color: #0473cc;
  text-align: center;
  margin-bottom: 10px;
}

.columna h3 {
  color: #0473cc;
  margin-top: 30px;
  text-align: center;
}

.columna ul {
  margin-left: 20px;
  list-style-type: "– ";
}

.btn-inscripcion {
  display: inline-block;
  background-color: #0473cc;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
  align-items: center;
}

.btn-inscripcion:hover {
  background-color: #035aa0;
}

/* ✅ Diseño adaptable para celular */
@media (max-width: 768px) {
  .bicicletas-contenedor {
    grid-template-columns: 1fr;
    /* una sola columna en pantallas pequeñas */
    text-align: center;
  }

  .columna ul {
    margin: 0 auto;
    text-align: left;
    display: inline-block;
  }
}

.columna p {
  text-align: center;
}