/* =============================================
   why-us.css - Why Us Section con Border-Bottom Premium
   ============================================= */

#why-us-section {
    background: #f8f9fa;
    padding: 110px 20px 100px;
}

.section-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

/* Grid */
.section-content > div:last-child {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    padding: 0 20px;

    justify-content: center;           /* Centra última fila */
    justify-items: center;             /* Centra cada card individualmente */
}

/* ==================== TARJETA CON BORDER-BOTTOM ==================== */
.whyus-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 48px 36px 42px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 70, 130, 0.08);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Border-bottom decorativo con gradiente */
.whyus-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        var(--accent-color) 50%, 
        var(--primary-color) 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.whyus-card:hover::after {
    transform: scaleX(1);
}

/* Hover general de la tarjeta */
.whyus-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 70, 130, 0.14);
    border-color: var(--accent-color);
}

/* Icono */
.whyus-card-icon {
    font-size: 4.6rem;
    color: var(--accent-color);
    margin-bottom: 26px;
    transition: all 0.4s ease;
}

.whyus-card:hover .whyus-icon {
    transform: scale(1.15);
    color: var(--primary-color);
}

/* Título de cada tarjeta */
.whyus-card-title {
    font-family: var(--title-font-family);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 22px;
    line-height: 1.3;
}

/* Descripción */
.whyus-card-descrip {
    font-family: var(--base-font-family);
    font-size: 1rem;
    line-height: 1.3;
    color: black;
    flex-grow: 1;
    text-align: justify-all;
    text-justify: inter-word;

}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 992px) {
    .section-content > div:last-child {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 28px;
    }
}

@media (max-width: 576px) {
    #section {
        padding: 80px 16px 70px;
    }
    
    .whyus-card {
        padding: 40px 28px;
    }
    
    .whyus-card-icon {
        font-size: 3.1rem;
    }
}