.landing-header {
    text-align: center;
    padding: 80px 20px 40px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.landing-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #ffd700; /* Tono dorado para dar peso al servicio de subastas */
}
.landing-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

.contenido-central {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px 100px;
}

.tarjeta-amplia {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.tarjeta-amplia h2 {
    font-size: 2rem;
    margin-top: 0;
    color: #fff;
}
.tarjeta-amplia p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.85;
}

.grid-beneficios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}
.beneficio {
    background: rgba(255, 215, 0, 0.05);
    border-top: 2px solid rgba(255, 215, 0, 0.3);
    padding: 30px;
    border-radius: 15px;
}
.beneficio h3 {
    margin-top: 0;
    font-size: 1.3rem;
    color: #fff;
}
.beneficio p {
    font-size: 1rem;
    opacity: 0.8;
    line-height: 1.5;
    margin-bottom: 0;
}

.cta-section {
    text-align: center;
    padding: 50px;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1) 0%, rgba(0, 0, 0, 0) 100%);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 20px;
}
.cta-section h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.btn-principal {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 35px;
    background: #25d366;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}
.btn-principal:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}