/* ===================== */
/* Base & Design Tokens  */
/* ===================== */
:root{
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #2c3e50;
  --muted: #6b7a90;
  --brand: #16a085;
  --chip: #324faf;
  --radius: 20px;
  --shadow: 0 6px 16px rgba(0,0,0,.08);
}

@media (prefers-color-scheme: dark) {
  :root{
    --bg: #0f172a;
    --surface: #0b1020;
    --text: #e6ebf5;
    --muted: #a0aec0;
    --brand: #2dd4bf;
    --chip: #324faf;
  }
}

*{ box-sizing: border-box; }
html, body{ height:100%; }

body{
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  font-family: 'Roboto', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  color: var(--text);
  /* Fondo general con overlay sutil */
  background:
    linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)),
    url("../img/fondoTarjetaAlvarez.jpg") center / cover no-repeat fixed;
}

/* ===================== */
/* Card                  */
/* ===================== */
.card{
  background: url("../img/fondoTarjetaAlvarez1.jpg") center / cover no-repeat;
  transition: background .5s ease;
  margin: 2rem auto;
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: min(90%, 700px);
  display: grid;
  grid-template-columns: 1fr; /* móvil */
  gap: 1rem;
  justify-items: center;
  position: relative;
}

/* Avatar */
.card__avatar-wrap{ margin: 0; }
.avatar{
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 4px solid #e9eef7;
  transition: opacity .4s ease;  /* para fade */
}
.avatar.fade-out{ opacity: 0; }

/* Contenido */
.card__content{ width: 100%; }

.card__title{
  margin: .25rem 0 .5rem;
  font-size: 1.75rem;
  line-height: 1.2;
  color: #fff;
  text-shadow:
    -1px -1px 0 rgba(0,0,0,.75),
     1px -1px 0 rgba(0,0,0,.75),
    -1px  1px 0 rgba(0,0,0,.75),
     1px  1px 0 rgba(0,0,0,.75);
}

/* Meta (Ubicación, Edad, Presenttación, Selección actual) */
.presentacion {
  color: #fff;
  line-height: 1.5;
  text-shadow: 0 2px 4px rgba(0,0,0,.35);
  background: rgba(0,0,0,.3);
  padding: .75rem;
  border-radius: 10px;
}

.card__meta,
#seleccion-actual {
  margin: .25rem 0;
  font-weight: 600;
  color: #fff;
  text-shadow:
    -1px -1px 2px rgba(0,0,0,.9),   /* sombra oscura */
     1px  1px 2px rgba(255,255,255,.7); /* brillo claro */
  background: rgba(0,0,0,.35);      /* recuadro semitransparente */
  padding: .25rem .5rem;
  border-radius: 8px;
  display: inline-block;
}

.card__section{ margin-top: 1rem; }
.card__section h2{
  margin: 0 0 .75rem;
  line-height: 1.1;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,.35);
}

/* Listas */
.list{
  list-style: none;
  margin: 0; padding: 0;
}
.list li{
  background: var(--chip);
  color: #fff;
  border-radius: 10px;
  padding: .5rem .75rem;
  margin: .25rem 0;
}

/* Actions (botones) */
/* Botón Portada */
.volver {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #5e48ad;
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 30px;
  font-weight: 700;
  transition: background .3s ease, transform .2s ease;
}

.volver:hover {
  background: linear-gradient(144deg, #af40ff, #5b42f3 50%, #00ddeb);
  transform: scale(1.05);
}

.volver i {
  width: 20px;
  height: 20px;
}

.card__actions{
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-width: 150px;
  padding: 15px 20px;
  border: 0;
  border-radius: 40px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  background: #5e48ad;
  transition: background .5s ease, color .3s ease, transform .2s ease;
}
.btn i{ width: 20px; height: 20px; }
.btn:hover{
  background-image: linear-gradient(144deg, #af40ff, #5b42f3 50%, #00ddeb);
  transform: scale(1.1);
}
.btn:active{ transform: scale(1); }
.btn:focus-visible{
  outline: 2px solid #0c6f5e;
  outline-offset: 2px;
}

/* Footer centrado */
footer{
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  color: #fff;
  font-size: .9rem;
  background: rgba(0,0,0,0.3);
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===================== */
/* Breakpoints           */
/* ===================== */
@media (min-width: 400px){
  .card{ padding: 1.5rem; gap: 1.25rem; }
  .avatar{ width: 180px; height: 180px; }
  .card__title{ font-size: 1.9rem; }
}

@media (min-width: 900px){
  .card{
    grid-template-columns: 240px 1fr; /* avatar | contenido */
    align-items: start;
    padding: 2rem;
    gap: 2rem;
    width: min(85%, 800px);
  }
  .avatar{ width: 220px; height: 220px; }
  .card__title{ font-size: 2.1rem; }
  .card__meta{ font-size: 1.05rem; }
  .list li{ font-size: 1.02rem; }
}

@media (min-width: 1200px){
  .card{
    grid-template-columns: 280px 1fr;
    padding: 2.5rem;
    gap: 2.5rem;
    width: min(80%, 900px);
  }
  .avatar{ width: 260px; height: 260px; }
  .card__title{ font-size: 2.35rem; }
  .list li{ font-size: 1.05rem; }
}

/* Accesibilidad: reducir movimiento */
@media (prefers-reduced-motion: reduce){
  .btn{ transition: none; }
  .avatar{ transition: none; }
}