/* Reset básico */
* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #667eea, #764ba2);
}

/* Contenedor del formulario */
#contactForm {
  width: 100%;
  max-width: 420px;
  padding: 28px;
  border-radius: 16px;
  background: white;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Inputs y textarea */
#contactForm input,
#contactForm textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 2px solid #e5e7eb;
  font-size: 15px;
  transition: all 0.2s ease;
  outline: none;
}

#contactForm textarea {
  min-height: 120px;
  resize: vertical;
}

/* Focus bonito */
#contactForm input:focus,
#contactForm textarea:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 4px rgba(102,126,234,0.15);
}

/* Botón */
#contactForm button {
  margin-top: 8px;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#contactForm button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

#contactForm button:active {
  transform: translateY(0);
  box-shadow: none;
}