/* P26M — solution section.
 * Big stat block + Without/With POP comparison.
 */

.solution {
    position: relative;
    padding-block: var(--section-pad-y);
    overflow: hidden;
}

.solution::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 0%,
        rgba(115, 196, 75, 0.12) 0%,
        transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.solution__stat-block {
    text-align: center;
    max-width: 880px;
    margin-inline: auto;
    margin-bottom: var(--space-9);
}

.solution__stat-pretitle {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-3);
}

.solution__stat-headline {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.5rem, 1.6rem + 4.8vw, 5.5rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    color: var(--color-text);
    margin-bottom: var(--space-5);
}
.solution__stat-headline em {
    font-style: normal;
    background: linear-gradient(135deg,
        var(--color-brand-strong) 0%,
        var(--color-brand) 40%,
        var(--color-brand) 70%,
        var(--color-brand-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    padding-right: 0.05em;
}

.solution__stat-sub {
    font-size: var(--fs-lg);
    color: var(--color-text-secondary);
    max-width: 60ch;
    margin-inline: auto;
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-5);
}

.solution__stat-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 8px 16px;
    background: rgba(115, 196, 75, 0.08);
    border: 1px solid rgba(115, 196, 75, 0.25);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-brand);
    letter-spacing: 0.02em;
}
.solution__stat-tag strong { color: var(--color-brand-strong); }

/* Comparison: Without POP vs With POP */
.solution__compare {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    align-items: stretch;
}

@media (min-width: 768px) {
    .solution__compare {
        grid-template-columns: 1fr auto 1fr;
        gap: var(--space-6);
        align-items: center;
    }
}

.compare-arrow {
    display: none;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-brand);
    color: var(--color-text-inverse);
    box-shadow: 0 0 0 6px rgba(115, 196, 75, 0.18),
                0 12px 32px rgba(115, 196, 75, 0.30);
}
.compare-arrow .p26m-icon { width: 24px; height: 24px; }
@media (min-width: 768px) {
    .compare-arrow { display: inline-flex; }
}

.compare-card {
    position: relative;
    padding: var(--space-7) var(--space-6);
    background: var(--color-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    box-shadow: var(--shadow-soft);
}

.compare-card--bad {
    background:
        radial-gradient(ellipse at 100% 0%, rgba(239, 68, 68, 0.06) 0%, transparent 50%),
        var(--color-elevated);
}

.compare-card--good {
    background:
        radial-gradient(ellipse at 0% 0%, rgba(115, 196, 75, 0.10) 0%, transparent 55%),
        var(--color-elevated);
    border-color: rgba(115, 196, 75, 0.28);
    box-shadow:
        var(--shadow-soft),
        0 0 0 1px rgba(115, 196, 75, 0.12) inset,
        0 24px 56px rgba(115, 196, 75, 0.10);
}

.compare-card__chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    align-self: flex-start;
    padding: 5px 12px;
    background: var(--color-base);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-text-secondary);
}
.compare-card--good .compare-card__chip {
    background: rgba(115, 196, 75, 0.12);
    border-color: rgba(115, 196, 75, 0.35);
    color: var(--color-brand);
}

/* Diagram inside compare-card */
.compare-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: var(--space-6) 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.compare-diagram__node {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    background: var(--color-elevated);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text);
    letter-spacing: 0.02em;
}
.compare-diagram__node--merchant {
    background: var(--color-overlay);
    font-weight: 600;
}
.compare-diagram__node--pop {
    background: linear-gradient(135deg, var(--color-base) 0%, var(--color-elevated) 100%);
    border-color: rgba(115, 196, 75, 0.45);
    box-shadow: 0 0 0 4px rgba(115, 196, 75, 0.10);
    color: var(--color-brand);
    font-weight: 700;
}
.compare-diagram__rail {
    width: 1px;
    height: 18px;
    background: repeating-linear-gradient(180deg,
        var(--color-border-strong) 0,
        var(--color-border-strong) 3px,
        transparent 3px,
        transparent 6px);
}
.compare-diagram__rail--brand {
    background: linear-gradient(180deg,
        var(--color-brand) 0%,
        transparent 100%);
}
.compare-diagram__row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.compare-diagram__node--psp {
    background: var(--color-base);
    border-color: var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--fs-xs);
    padding: 6px 12px;
}
.compare-diagram__node--many {
    background: linear-gradient(135deg, rgba(115, 196, 75, 0.10), rgba(59, 91, 255, 0.10));
    border-color: rgba(115, 196, 75, 0.30);
    color: var(--color-text);
    padding: 6px 14px;
    font-size: var(--fs-xs);
}

/* Bullet list inside compare-card */
.compare-card__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.compare-card__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.55;
}
.compare-card__item-icon {
    flex-shrink: 0;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: grid; place-items: center;
    margin-top: 1px;
}
.compare-card--bad .compare-card__item-icon {
    background: rgba(239, 68, 68, 0.12);
    color: var(--color-danger);
}
.compare-card--good .compare-card__item-icon {
    background: rgba(115, 196, 75, 0.14);
    color: var(--color-brand);
}
.compare-card__item-icon .p26m-icon { width: 12px; height: 12px; }
.compare-card__item strong {
    color: var(--color-text);
    font-weight: 600;
}