#plans {
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}
#plans .section-header {
    margin-bottom: 2.5rem;
}
#plans .section-header h2 {
    color: var(--text-primary);
}
#plans .section-header h2 .title-highlight-blue {
    color: var(--accent-primary);
}
#plans .section-header .section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 750px;
    margin-top: 0.75rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.ecosystem-grid-arh24 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3.5rem;
}
@media (min-width: 1200px) {
    .ecosystem-grid-arh24 {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

.ecosystem-card-arh24 {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    text-align: center;
    position: relative;
    overflow: visible;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    padding: 45px 1.5rem 1.5rem 1.5rem;
    margin-top: 35px;
    border: 1px solid var(--border-color-light);
    border-left: 4px solid var(--accent-primary);
}
.ecosystem-card-arh24:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--accent-primary-hover);
}

.ecosystem-card-arh24-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    border: 5px solid var(--bg-primary);
    transition: all 0.3s ease;
}
.ecosystem-card-arh24:hover .ecosystem-card-arh24-icon-wrapper {
    background-color: var(--accent-primary);
}
.ecosystem-card-arh24-icon {
    font-size: 2.2rem;
    color: var(--accent-primary);
    line-height: 1;
    display: inline-block;
    transition: color 0.3s ease;
}
.ecosystem-card-arh24:hover .ecosystem-card-arh24-icon {
    color: var(--text-on-accent);
}

.ecosystem-card-arh24-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 0.25rem;
    padding: 0;
    line-height: var(--line-height-heading);
}
.ecosystem-card-arh24-tagline {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    min-height: 2.5em;
    line-height: 1.5;
}
.ecosystem-card-arh24-specs {
    list-style: none;
    padding: 0;
    margin: 1rem auto;
    text-align: left;
    max-width: 280px;
    width: 100%;
    flex-grow: 1;
}
.ecosystem-card-arh24-specs li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: 0.5rem 0;
    margin-bottom: 0;
    display: flex;
    align-items: center;
}
.ecosystem-card-arh24-specs li:not(:last-child) {
    border-bottom: 1px solid var(--border-color-light);
}
.ecosystem-card-arh24-specs li .fa-check-circle {
    color: var(--accent-primary);
    margin-right: 0.6rem;
    font-size: 0.9em;
    flex-shrink: 0;
    line-height: 1;
}
.ecosystem-card-arh24-specs li strong {
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 0.25rem;
}
.ecosystem-card-arh24-pricing {
    padding: 0;
    margin: 0 0 1.25rem 0;
}
.ecosystem-card-arh24-pricing .price-prefix {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 0.15rem;
}
.ecosystem-card-arh24-pricing .price-main {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}
.ecosystem-card-arh24-pricing .price-suffix {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 0.2rem;
}

.ecosystem-card-arh24-cta {
    padding: 0;
    margin-top: auto;
}
.ecosystem-card-arh24-cta .btn {
    width: 100%;
    padding: 0.9rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
}

@media (max-width: 991px) {
    .ecosystem-grid-arh24 {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2.75rem;
    }
}
@media (max-width: 768px) {
    .ecosystem-grid-arh24 {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .ecosystem-card-arh24-tagline {
        min-height: auto;
    }
    .ecosystem-card-arh24-icon-wrapper {
        width: 60px;
        height: 60px;
    }
    .ecosystem-card-arh24-icon {
        font-size: 1.8rem;
    }
    .ecosystem-card-arh24-pricing .price-main {
        font-size: 2.2rem;
    }
}