/* ============================================================
   INVI STUDIO — Problems Section - Mobile First
   ============================================================ */

.ww-problems__orb {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: var(--ww-base-glow-purple-orb);
    border-radius: var(--ww-base-radius-full);
    filter: blur(100px);
    pointer-events: none;
}

/* ── Mobile base styles (single column) ── */
.ww-problems__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* ── Tablet (2 columns) ── */
@media (min-width: 768px) {
    .ww-problems__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Desktop (3 columns) ── */
@media (min-width: 1025px) {
    .ww-problems__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ww-problems__card {
    position: relative;
    padding: var(--ww-base-space-32);
    border-radius: var(--ww-invi-card-radius);
    background: linear-gradient(135deg, var(--ww-base-glass-05), var(--ww-base-glass-02));
    border: 1px solid var(--ww-invi-card-border);
    backdrop-filter: blur(10px);
    transition: all var(--ww-base-transition-normal);
    overflow: hidden;
}

.ww-problems__card:hover {
    border-color: var(--ww-invi-card-hover-border);
    box-shadow: 0 0 30px var(--ww-base-glow-purple);
}

.ww-problems__icon {
    display: inline-flex;
    padding: var(--ww-base-space-16);
    border-radius: var(--ww-base-radius-12);
    background: linear-gradient(135deg, var(--ww-base-glow-purple-orb), var(--ww-base-glow-cyan));
    border: 1px solid var(--ww-base-glow-purple-strong);
    margin-bottom: var(--ww-base-space-24);
    transition: transform var(--ww-base-transition-normal);
    color: var(--ww-base-purple-500);
}

.ww-problems__card:hover .ww-problems__icon {
    transform: scale(1.1);
}

.ww-problems__card-title {
    font-size: var(--ww-base-font-24);
    font-weight: var(--ww-base-weight-bold);
    margin-bottom: var(--ww-base-space-16);
    transition: color var(--ww-base-transition-fast);
}

.ww-problems__card:hover .ww-problems__card-title {
    color: var(--ww-base-purple-500);
}

.ww-problems__card-text {
    color: var(--ww-invi-page-text-muted);
    line-height: 1.6;
}