/* Fuentes modernas */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Montserrat:wght@600&display=swap');

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f5f7;
  color: #1f2937;
}

header {
  background: #1e293b;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

header nav a {
  color: #fff;
  margin: 0 12px;
  text-decoration: none;
  font-weight: 600;
}

header nav a:hover {
  color: #38bdf8; /* azul vivo */
  transition: 0.3s;
}

section {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.hero {
  position: relative;
  text-align: center;
  padding: 4rem 1rem;
  background: url('https://images.unsplash.com/photo-1508873696983-2dfd5898f3b3?auto=format&fit=crop&w=1200&q=80') no-repeat center/cover;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45); /* overlay oscuro */
}

.hero h2, .hero p {
  position: relative;
  z-index: 1;
}

article {
  background: #fff;
  padding: 1.8rem;
  margin-bottom: 2rem;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  transition: transform 0.3s;
}

article:hover {
  transform: translateY(-5px);
}

.articles iframe {
  width: 100%;
  height: 320px;
  margin-top: 1rem;
  border-radius: 8px;
}

.interviews {
  margin-top: 1rem;
  font-style: italic;
  color: #374151;
}

footer {
  background: #1e293b;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  background: #25d366;
  color: #fff;
  border-radius: 50px;
  padding: 12px 18px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
  z-index: 1000;
}

.whatsapp-float span {
  margin-left: 10px;
  font-weight: 600;
}