* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background: #f4f6f8;
  color: #222;
}

/* HEADER */
.header {
  background: #0f172a;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
}

nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
  font-size: 15px;
}

/* HERO */
.hero {
  background: linear-gradient(to right, #0f172a, #020617);
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 42px;
}

.hero p {
  margin: 15px 0;
  font-size: 18px;
}

.btn-hero {
  background: #25D366;
  color: white;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

/* PRODUCTOS */
.productos {
  padding: 60px 40px;
  text-align: center;
}

.productos h2 {
  font-size: 32px;
  margin-bottom: 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.card img {
  width: 100%;
  border-radius: 10px;
}

.card h3 {
  margin: 15px 0 10px;
}

.precio {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 15px;
}

.card button {
  background: #25D366;
  border: none;
  color: white;
  padding: 12px;
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
}

/* CONTACTO */
.contacto {
  background: #020617;
  color: white;
  text-align: center;
  padding: 60px 20px;
}

.btn-wsp {
  display: inline-block;
  margin-top: 15px;
  background: #25D366;
  padding: 12px 30px;
  border-radius: 30px;
  color: white;
  text-decoration: none;
  font-weight: bold;
}

/* FOOTER */
footer {
  background: #000;
  color: #aaa;
  text-align: center;
  padding: 15px;
  font-size: 14px;
}