/*
 * Problem Strip section styles (Phase W2.2).
 * Mobile-first. Brand tokens only -- no raw hex.
 */

.problem-strip {
    background-color: var(--color-white);
    padding: 64px 24px;
    text-align: center;
}

.problem-inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* Section headline */
.problem-headline {
    margin: 0 auto 48px;
    max-width: 800px;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
}

/* Stat list */
.problem-stats {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

/* Individual stat card */
.problem-stat {
    padding: 24px;
    background-color: var(--color-bg);
    border-radius: 12px;
    border-left: 4px solid var(--color-text);
    text-align: left;
}

.problem-stat-tag {
    margin: 0 0 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.problem-stat-headline {
    margin: 0 0 12px;
    font-size: 1.125rem;
    line-height: 1.4;
    font-weight: 600;
    color: var(--color-text);
}

.problem-stat-body {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-text);
    opacity: 0.8;
}

/* ---------- Per-tag accent colours ---------- */

.problem-stat--hot {
    border-left-color: var(--color-hot);
}

.problem-stat-tag--hot {
    color: var(--color-hot);
}

.problem-stat--cost {
    border-left-color: var(--color-warm);
}

.problem-stat-tag--cost {
    color: var(--color-warm);
}

.problem-stat--competition {
    border-left-color: var(--color-text);
}

.problem-stat-tag--competition {
    color: var(--color-text);
    opacity: 0.6;
}

/* ---------- Desktop (>= 768px) ---------- */

@media (min-width: 768px) {
    .problem-strip {
        padding: 96px 24px;
    }

    .problem-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}