/* ===== Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --azul: #1565c0;
  --azul-oscuro: #0d47a1;
  --azul-claro: #e3f2fd;
  --texto: #333;
  --gris: #f5f7fa;
  --blanco: #fff;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--texto);
  line-height: 1.6;
  background: var(--blanco);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--azul);
  text-decoration: none;
}

/* ===== Cabecera ===== */
.header {
  background: var(--blanco);
  border-bottom: 3px solid var(--azul);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  color: var(--azul-oscuro);
}

.logo-icon {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  gap: 24px;
}

.nav a {
  font-weight: 600;
  color: var(--texto);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--azul);
}

/* ===== Hero ===== */
.hero {
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("images/centro1.jpeg") center / cover no-repeat;
  color: var(--blanco);
  text-align: center;
  padding: 90px 20px;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 28px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  background: var(--blanco);
  color: var(--azul-oscuro);
  font-weight: 700;
  padding: 12px 32px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ===== Secciones ===== */
.section {
  padding: 70px 0;
}

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

.section h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--azul-oscuro);
  margin-bottom: 36px;
  position: relative;
}

.section h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--azul);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section-intro {
  text-align: center;
  max-width: 640px;
  margin: -16px auto 32px;
}

.section-note {
  text-align: center;
  margin-top: 28px;
  color: #666;
}

/* ===== Grids y tarjetas ===== */
.grid {
  display: grid;
  gap: 24px;
}

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

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--blanco);
  border: 1px solid #e0e6ed;
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(21, 101, 192, 0.12);
}

.card-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.card h3 {
  color: var(--azul-oscuro);
  margin-bottom: 10px;
}

/* ===== El Centro: presentación ===== */
.centro-about {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 40px;
}

.centro-lema {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 14px;
}

.centro-texto p {
  margin-bottom: 14px;
}

.centro-invitacion {
  font-style: italic;
  color: var(--azul-oscuro);
}

.centro-foto-destacada {
  margin: 0;
}

.centro-foto-destacada img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(13, 71, 161, 0.2);
  display: block;
}

.centro-foto-destacada figcaption {
  text-align: center;
  margin-top: 10px;
  font-size: 0.9rem;
  color: #666;
}

.banner-mondo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul));
  color: var(--blanco);
  border-radius: 14px;
  padding: 18px 28px;
  margin-bottom: 40px;
  text-align: center;
  letter-spacing: 0.03em;
}

.banner-mondo p {
  font-size: 1.05rem;
  text-transform: uppercase;
}

.banner-mondo-icon {
  font-size: 1.6rem;
}

/* ===== El Centro: galería ===== */
.galeria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}

.galeria-item {
  margin: 0;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.galeria-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.galeria-item:hover img {
  transform: scale(1.06);
}

.galeria-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px 12px 10px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--blanco);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}

/* ===== Ranking ===== */
.ranking-acordeon {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ranking-cat {
  background: var(--blanco);
  border: 1px solid #e0e6ed;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.ranking-cat-titulo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 16px 22px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--azul-oscuro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  list-style: none;
  user-select: none;
  transition: background 0.2s;
}

.ranking-cat-titulo::-webkit-details-marker {
  display: none;
}

.ranking-cat-titulo::after {
  content: "▾";
  font-size: 1.1rem;
  color: var(--azul);
  transition: transform 0.2s;
}

.ranking-cat[open] .ranking-cat-titulo::after {
  transform: rotate(180deg);
}

.ranking-cat-titulo:hover {
  background: var(--azul-claro);
}

.ranking-cat[open] .ranking-cat-titulo {
  border-bottom: 1px solid #e0e6ed;
}

.ranking-cat-num {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--azul);
  background: var(--azul-claro);
  padding: 3px 12px;
  border-radius: 14px;
  text-transform: none;
  letter-spacing: normal;
}

.ranking-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--blanco);
}

.ranking-table th,
.ranking-table td {
  padding: 12px 18px;
  text-align: left;
}

.ranking-table thead {
  background: var(--azul);
  color: var(--blanco);
}

.ranking-table tbody tr:nth-child(even) {
  background: var(--azul-claro);
}

.ranking-table tbody tr:first-child td {
  font-weight: 700;
}

/* ===== Academia: Programa de Alto Rendimiento ===== */
.programa-ar {
  max-width: 780px;
  margin: 0 auto;
  background: var(--blanco);
  border: 1px solid #e0e6ed;
  border-top: 5px solid var(--azul);
  border-radius: 14px;
  padding: 40px 44px;
  box-shadow: 0 8px 24px rgba(13, 71, 161, 0.08);
  text-align: center;
}

.programa-etiqueta {
  display: inline-block;
  background: var(--azul-claro);
  color: var(--azul-oscuro);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 6px 18px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.programa-subtitulo {
  color: var(--azul-oscuro);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.programa-ar > p {
  text-align: left;
  margin-bottom: 16px;
}

.programa-valores {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid #e0e6ed;
}

.programa-valores li {
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul));
  color: var(--blanco);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 20px;
  border-radius: 20px;
}

/* ===== Horarios ===== */
.horarios {
  max-width: 640px;
  margin: 0 auto;
}

.horario-hora {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--azul);
}

/* ===== Contacto ===== */
.contacto-card {
  background: var(--blanco);
  border: 1px solid #e0e6ed;
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.contacto-card-titulo {
  color: var(--azul-oscuro);
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.contacto-card-titulo:not(:first-child) {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #e0e6ed;
}

.contacto-lista {
  list-style: none;
  margin-bottom: 0;
}

.contacto-lista li {
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.contacto-lista li:last-child {
  margin-bottom: 0;
}

.contacto-icon {
  margin-right: 8px;
}

.contacto-despedida {
  text-align: center;
  margin-top: 32px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--azul-oscuro);
}

/* ===== Pie ===== */
.footer {
  background: var(--azul-oscuro);
  color: var(--blanco);
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .centro-about {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .galeria {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-inner {
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    gap: 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}