.about-section .btn-about {
    display: inline-block;
    padding: 12px 25px;
    background-color: #00e676;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.about-section .btn-about:hover {
    background-color: #00c853;
}

/* Botón de "Ver más" dentro de la sección de servicios */
.card-item .card-info .btn-card-more {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 20px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.card-item .card-info .btn-card-more:hover {
    background-color: #555;
}



/*************** PORTAFOLIO **************/
/* Sección Portafolio con Sinergia Visual */
.portfolio-section {
    padding: 80px 20px;
    background: #0a0a0b; /* Fondo oscuro profundo para resaltar imágenes */
    text-align: center;
}

.portfolio-intro .section-title {
    color: #fff;
    font-size: 2.5rem;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.portfolio-intro p {
    color: #aaa;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* Filtros Estilo Píldora Moderna */
.portfolio-filters {
    margin-bottom: 50px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 8px 22px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #00e676; /* El verde neón de tus botones */
}

.filter-btn.active {
    background: #00e676;
    color: #000;
    border-color: #00e676;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
}

/* Grid Tipo Masonry (Pinterest) pero sin bordes rígidos */
.portfolio-grid {
    column-count: 4;
    column-gap: 15px;
    max-width: 1400px;
    margin: 0 auto;
}


.portfolio-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 15px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: #1a1a1c;
}

.portfolio-item img {
    width: 100%;
    display: block;
    height: auto;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Overlay con el verde de la marca */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 230, 118, 0.85); /* Verde con transparencia */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

.portfolio-overlay span {
    color: #000;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover img {
    transform: scale(1.08);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-overlay span {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) { .portfolio-grid { column-count: 3; } }
@media (max-width: 768px) { .portfolio-grid { column-count: 2; } }
@media (max-width: 480px) { .portfolio-grid { column-count: 1; } }

.portfolio-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.portfolio-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}