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

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  color: #111;
  padding-top: 70px; /* espacio para header fijo */
}

/* ===== HEADER / NAV ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #000;
  z-index: 1000;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.container.header-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 20px;
}

header img.logo {
  height: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #00cfc8;
}

/* ===== MAIN & SECCIONES ===== */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 20px;
  background-color: #fff;
}

h2, h3 {
  color: #00cfc8;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: bold;
}

h3 {
  /* Si usas subcategorías, puedes dar otro estilo */
  font-size: 1.4rem;
}

/* ===== GRID y TARJETAS ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1); /* sombra suave */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h4 {
  font-size: 1rem;
  color: #111;
  margin: 0.8rem;
}

.card p {
  font-size: 0.95rem;
  color: #444;
  margin: 0 0.8rem 0.8rem;
  flex-grow: 1;
}

.card button {
  background-color: #00cfc8;
  color: #000;
  border: none;
  padding: 0.8rem 1.2rem;
  margin: 0.8rem;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s ease;
}

.card button:hover {
  background-color: #00b5a8;
}

/* ===== FORMULARIOS ===== */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  font-weight: 500;
  color: #111;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
textarea {
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  background-color: #fff;
  color: #111;
  font-size: 1rem;
  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: #888;
}

button {
  background-color: #00cfc8;
  color: #000;
  padding: 0.8rem 1.2rem;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #00b5a8;
}

/* ===== FOOTER ===== */
footer {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
  margin-top: 2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container.header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }
  main {
    padding: 1.5rem 15px;
  }
}