.st-field--promo-toggle {
    margin-top: 18px;
}

.st-promo-toggle-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px dashed var(--st-primary);
    background: rgba(122, 107, 255, 0.08);
    color: var(--st-primary);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.st-promo-toggle-btn:hover,
.st-promo-toggle-btn:focus-visible,
.st-promo-toggle-btn[aria-expanded="true"] {
    border-color: var(--st-primary);
    color: var(--st-primary);
    background: rgba(122, 107, 255, 0.08);
}

.st-promo-toggle-btn__icon {
    margin-left: auto;
    display: inline-flex;
    width: 18px;
    height: 18px;
    color: currentColor;
    transition: transform 0.25s ease;
}

.st-promo-toggle-btn[aria-expanded="true"] .st-promo-toggle-btn__icon {
    transform: rotate(180deg);
}

.st-hero-promo {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    margin: 0;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin 0.45s ease;
}

.st-hero-promo.is-expanded {
    opacity: 1;
    pointer-events: auto;
    margin-top: 12px;
}

.st-hero-metrics {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.st-hero-metric {
    border-radius: 16px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.st-hero-metric__label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.65);
}

.st-hero-metric strong {
    font-size: 24px;
    line-height: 1.1;
}

.st-hero-metric__meta {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.st-process,
.st-advantages,
.st-proof,
.st-testimonials {
    margin-top: 72px;
}

.st-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.st-section-note {
    max-width: 420px;
    font-size: 15px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.7);
}

.st-process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.st-process-step {
    border-radius: 20px;
    padding: 24px;
    background: rgba(13, 13, 23, 0.85);
    border: 1px solid rgba(122, 107, 255, 0.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.st-process-step__index {
    font-size: 13px;
    font-weight: 700;
    color: var(--st-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.st-process-step__meta {
    margin-top: auto;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}

.st-advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.st-adv-card {
    border-radius: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.st-adv-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(122, 107, 255, 0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--st-primary);
}

.st-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.st-proof-card {
    border-radius: 18px;
    padding: 20px;
    background: rgba(19, 19, 31, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.st-proof-card__tag {
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

.st-proof-card strong {
    font-size: 26px;
    display: block;
    margin-top: 8px;
}

.st-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.st-testimonial {
    border-radius: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.st-testimonial__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.st-testimonial__amount {
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(122, 107, 255, 0.15);
    color: var(--st-primary);
}

.st-testimonial__stars {
    display: inline-flex;
    gap: 4px;
    color: #f8d57e;
}

.st-testimonial__stars svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .st-section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .st-hero-metrics {
        grid-template-columns: 1fr;
    }
}