:root{
  --primary:#4f46e5;
  --secondary:#06b6d4;
  --dark:#020617;
  --light:#f8fafc;
}

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

body{
  background:linear-gradient(135deg,#eef2ff,#f8fafc);
  color:#0f172a;
  line-height:1.7;
}

header{
  background:linear-gradient(120deg,var(--primary),var(--secondary));
  color:#fff;
  padding:70px 20px;
  text-align:center;
}

header h1{
  font-size:2.6rem;
  margin-bottom:12px;
}

header p{
  max-width:900px;
  margin:auto;
  font-size:1.1rem;
}

section{
  max-width:1200px;
  margin:auto;
  padding:60px 20px;
}

.seo-content p{
  margin-bottom:18px;
}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:26px;
  margin-top:40px;
}

.card{
  background:#fff;
  padding:26px;
  border-radius:18px;
  box-shadow:0 10px 35px rgba(0,0,0,.08);
  transition:.35s ease;
}

.card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 50px rgba(0,0,0,.12);
}

.card h3{
  color:var(--primary);
  margin-bottom:10px;
}

a{
  color:var(--primary);
  font-weight:600;
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

.socials{
  display:flex;
  justify-content:center;
  gap:20px;
  flex-wrap:wrap;
  margin-top:30px;
}

.socials a{
  width:48px;
  height:48px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  box-shadow:0 8px 22px rgba(0,0,0,.12);
  transition:.3s ease;
}

.socials svg{
  width:24px;
  height:24px;
  fill:#475569;
  transition:.3s ease;
}

.socials a:hover{
  transform:translateY(-4px);
}

.socials a.instagram:hover svg{fill:#E4405F}
.socials a.facebook:hover svg{fill:#1877F2}
.socials a.twitter:hover svg{fill:#000}
.socials a.linkedin:hover svg{fill:#0A66C2}
.socials a.pinterest:hover svg{fill:#E60023}

footer{
  background:var(--dark);
  color:#cbd5f5;
  text-align:center;
  padding:40px 20px;
}

.whatsapp{
  position:fixed;
  right:20px;
  bottom:20px;
  width:60px;
  height:60px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 30px rgba(0,0,0,.3);
  z-index:999;
}

.whatsapp svg{
  width:30px;
  height:30px;
  fill:#fff;
}

@media(max-width:600px){
  header h1{font-size:2.1rem}
}