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

@media (max-width: 768px) {

  body {
    padding-top: 70px;
  }
}

/* MARCA DE AGUA EN TODA LA PÁGINA */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../img/marca-agua.png') center center no-repeat;
  background-size: 500px;
  opacity: 0.05;
  z-index: -1;
  pointer-events: none;
}

/* LOGO NAVBAR */
.logo {
  max-width: 50px;
  height: auto;
  object-fit: contain;
}



.logo:hover {
  transform: scale(1.1);
}

/* HERO */
.hero {
  background: url('../img/fondo-crossfit.jpg') center center/cover no-repeat;
  min-height: calc(100svh - 70px); 
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.hero .container {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.hero-logo {
  width: 100px;
  height: auto;
  position: relative;
  margin: 0 auto;
  margin-top: 80px;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.9);
  padding: 10px;
  border-radius: 12px;
  z-index: 10;
}


.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
}

/* ENTRENADORES - efecto Tilt */
.trainer-card {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  transition: transform 0.3s ease;
}


.trainer-card img {
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background-color: #f8f9fa;
}

.tilt-entrenador:hover {
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

/* FOOTER */
.footer-logo {
  height: 60px;
  width: auto;
}

footer p {
  font-size: 0.9rem;
}

/* ICONO DE CARRITO */
.carrito-icon {
  position: relative;
}

.carrito-icon .badge {
  position: absolute;
  top: -5px;
  right: -10px;
  font-size: 0.7rem;
  border-radius: 50%;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .hero-logo {
    width: 80px;
  }

  .tilt-entrenador {
    height: 280px;
    object-fit: cover;
  }
}

@media (max-width: 768px) {

body {
    padding-top: 100px;
  }

.logo {
    max-width: 80px;
  }

  .hero {
    min-height: 80vh;
    
  }

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

  .footer-logo {
    height: 50px;
  }

  .carrito-icon .badge {
    top: -4px;
    right: -6px;
  }
}

/* TARJETAS DE ENTRENAMIENTOS */
.entrenamiento-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 10px;
}

.entrenamiento-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}

.entrenamiento-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  transition: transform 0.3s ease;
}

.entrenamiento-card img:hover {
  transform: scale(1.05);
}

.header {
  text-align: center;
  background-color: #222;
  color: white;
  padding: 15px;
  position: relative;
}

.navbar {
  background-color: #333;
  text-align: center;
}

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

.navbar li {
  display: inline-block;
  margin: 0 10px;
}

.navbar a {
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  display: inline-block;
}

.navbar a:hover {
  background-color: #555;
  border-radius: 5px;
}

.main-content {
  padding: 20px;
  text-align: center;
}

.content-box {
  background: white;
  padding: 20px;
  margin: auto;
  width: 90%;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.styled-table th, .styled-table td {
  border: 1px solid #ddd;
  padding: 10px;
}

.styled-table th {
  background-color: #333;
  color: white;
}

.btn {
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 5px;
  color: white;
}

.btn-primary {
  background-color: #007bff;
}

.btn-danger {
  background-color: #dc3545;
}

.footer {
  background-color: #222;
  color: #ccc;
  text-align: center;
  padding: 15px;
}

.background-watermark {
  background: url('../images/crossfit-bg.jpg') no-repeat center center fixed;
  background-size: cover;
  opacity: 0.1;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.success-msg {
    background-color: #dff0d8;
    color: #3c763d;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: bold;
    text-align: center;
}

.error-msg {
    background-color: #f2dede;
    color: #a94442;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: bold;
    text-align: center;
}


.admin-menu {
    display: flex;
    justify-content: center;
    background-color: #222;
    padding: 15px;
    border-bottom: 3px solid #ff6600;
    flex-wrap: wrap;
}

.admin-menu a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-size: 18px;
    transition: color 0.3s, transform 0.2s;
}

.admin-menu a:hover {
    color: #ff6600;
    transform: scale(1.05);
}

.logout-link {
    color: #ff4d4d;
    font-weight: bold;
}

.logout-link:hover {
    color: #ff1a1a;
}

.admin-menu {
    display: flex;
    justify-content: center;
    background-color: #222;
    padding: 15px;
    border-bottom: 3px solid #ff6600;
    flex-wrap: wrap;
}

.admin-menu a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-size: 18px;
    transition: color 0.3s, transform 0.2s;
}

.admin-menu a:hover {
    color: #ff6600;
    transform: scale(1.05);
}

.logout-link {
    color: #ff4d4d;
    font-weight: bold;
}

.logout-link:hover {
    color: #ff1a1a;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: rgba(0,0,0,0.6);
    padding: 15px;
    color: white;
}

.stats-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-top: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    border-radius: 15px;
    padding: 25px;
    width: 220px;
    text-align: center;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.stat-card:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 14px rgba(0,0,0,0.4);
}

.stat-card i {
    font-size: 40px;
    margin-bottom: 10px;
}

.stat-card h3 {
    font-size: 32px;
    margin: 5px 0;
}

.stat-card p {
    font-size: 16px;
    color: #ddd;
}

/* Colores personalizados */
.stat-card.usuarios { border-top: 4px solid #4cc9f0; }
.stat-card.inventario { border-top: 4px solid #f9c74f; }
.stat-card.pendientes { border-top: 4px solid #f9844a; }
.stat-card.completadas { border-top: 4px solid #43aa8b; }