:root {
  --bg: #0b0f19;
  --card: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --primary: #4da3ff;
  --accent: #D4AF37;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top, #111827, #020617);
  color: white;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 420px;
  padding: 5px;
}

/* 1. Parte Superior: Potenciado por */
.top-brand {
margin-bottom: 25px;
font-size: 13px;
opacity: 0.7;
text-align: center;
}

.top-brand a {
color: #4da3ff;
text-decoration: none;
font-weight: bold;
}

/* 2. Efecto Rotación de Tarjeta */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.card-viewer {
width: 100%;
aspect-ratio: 16/9;
perspective: 1000px;
margin-bottom: 30px;
}

.card-inner {
position: relative;
width: 100%;
height: 100%;
text-align: center;
transition: transform 0.8s;
transform-style: preserve-3d;
animation: flipCard 7s infinite ease-in-out;
}

@keyframes flipCard {
0%, 40% { transform: rotateY(0deg); }
50%, 90% { transform: rotateY(180deg); }
100% { transform: rotateY(0deg); }
}

.card-front, .card-back {
position: absolute;
width: 100%;
height: 100%;
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
border-radius: 5px;
box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.card-front img, .card-back img {
width: 100%;
height: 100%;
border-radius: 15px;
object-fit: cover;
}

.card-back { transform: rotateY(180deg); }

/* 3. Título y Eslogan */

.brand-info {
text-align: center;
margin-bottom: 25px;
}

.brand-info h1 {
margin: 0;
font-size: 30px;
letter-spacing: 1px;
background: linear-gradient(to right, #ffffff, #4da3ff);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}

.brand-info p {
margin: 8px 0 0;
color: #aaa;
font-size: 15px;
}

.brand {
  text-align: center;
  margin-bottom: 20px;
}

.brand h1 {
  margin: 0;
  font-size: 26px;
}

.brand p {
  margin: 5px 0 0;
  color: #aaa;
  font-size: 14px;
}

/* 3. Boton de Whatsapp */

.cta-main {
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
}

.cta-main a {
  width: 100%;
  text-align: center;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2a9250, #25D366);
  color: white;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(92, 250, 171, 0.4);
}

/* 3. Boton de Redes Sociales */

.social {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-bottom: 20px;
}

.social a {
  font-size: 25px;
  color: #ccc;
}

.social a:hover {
  color: #91bdf8;
}


/* 5. Boton de Whatsapp */

.actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.actions a {
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  text-decoration: none;
  color: white;
  font-size: 13px;
}

.actions a:hover {
  background: rgba(255,255,255,0.05);
  color: rgb(173, 147, 59);
  font-size: 14px;
}

.actions a i {
  display: block;
  font-size: 18px;
  margin-bottom: 5px;
}

/* 6. Porque Elegirnos */

.about {
background: rgba(255,255,255,0.03);
border: 1px solid var(--border);
border-radius: 16px;
padding: 15px;
font-size: 13px;
color: #bbb;
text-align: center;
}

.about h3 {
margin-top: 0;
color: rgb(173, 147, 59);
font-size: 18px;
text-transform: uppercase;
letter-spacing: 1px;
}

.about p {
color: #ccc;
line-height: 1.6;
font-size: 14px;
 margin-bottom: 0;
}

/* 7. Footer */

.footer {
margin-top: auto;
padding: 20px 0;
text-align: center;
font-size: 12px;
color: rgb(173, 147, 59);
line-height: 1.5;
}