body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #121212;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    padding: 30px;
}

.card {
    background: linear-gradient(145deg, #1f1f1f, #2a2a2a);
    padding: 25px 20px;
    border-radius: 15px;
    width: 220px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
}

/* Botón */
.btn-professional {
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: #fff;
    padding: 12px 25px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.4s ease;
    animation: pulseBtn 2s infinite alternate;
}

.btn-professional:hover {
    background: linear-gradient(45deg, #2575fc, #6a11cb);
    transform: scale(1.15);
    box-shadow: 0 8px 25px rgba(37, 117, 252, 0.5);
}

@keyframes pulseBtn {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* Pulso */
@keyframes pulsePro {

    0%,
    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 0px #3498db);
    }

    50% {
        transform: scale(1.2);
        filter: drop-shadow(0 0 20px #3498db);
    }
}

.pulse-pro {
    font-size: 40px;
    color: #3498db;
    display: inline-block;
    animation: pulsePro 1.5s infinite;
}

/* Slide */
@keyframes slideFadeInfinite {

    0%,
    100% {
        transform: translateX(-10px);
        opacity: 0.7;
    }

    50% {
        transform: translateX(10px);
        opacity: 1;
    }
}

.slide-fade {
    animation: slideFadeInfinite 2s ease-in-out infinite;
}

/* Spinner */
@keyframes spinPro {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.spinner-pro {
    width: 60px;
    height: 60px;
    border: 6px solid #3498db;
    border-top: 6px solid transparent;
    border-radius: 50%;
    margin: 0 auto;
    animation: spinPro 1.5s linear infinite;
}

/* FadeIn */
@keyframes fadeFloat {

    0%,
    100% {
        opacity: 0.7;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(-8px);
    }
}

.fade-pro {
    animation: fadeFloat 2s ease-in-out infinite;
}

/* Zoom rebote */
@keyframes zoomBounceInfinite {

    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.1);
    }

    50% {
        transform: scale(1.2);
    }

    75% {
        transform: scale(1.1);
    }
}

.zoom-bounce {
    display: inline-block;
    font-size: 35px;
    color: #e67e22;
    animation: zoomBounceInfinite 2s ease-in-out infinite;
}

/* Texto gradiante*/
.text-gradient {
    font-size: 22px;
    font-weight: bold;
    background: linear-gradient(270deg, #ff512f, #dd2476, #ff512f);
    background-size: 600% 600%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientAnim 5s ease infinite;
}

@keyframes gradientAnim {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Load puntitos */
@keyframes bouncePro {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

.loader-pro {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.loader-pro .dot {
    width: 12px;
    height: 12px;
    background: #6a11cb;
    border-radius: 50%;
    animation: bouncePro 1.4s infinite ease-in-out both;
}

.loader-pro .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-pro .dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* Flotara */
@keyframes floatPro {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.float-pro {
    font-size: 40px;
    animation: floatPro 2s ease-in-out infinite;
}

/* Giro, sombra y escala */
@keyframes spinScaleShadow {
    0% {
        transform: rotate(0deg) scale(1);
        text-shadow: 0 0 0px #f1c40f;
    }

    50% {
        transform: rotate(180deg) scale(1.3);
        text-shadow: 0 0 20px #f1c40f;
    }

    100% {
        transform: rotate(360deg) scale(1);
        text-shadow: 0 0 0px #f1c40f;
    }
}

.spin-scale-pro {
    font-size: 40px;
    color: #f1c40f;
    display: inline-block;
    animation: spinScaleShadow 2s linear infinite;
}