/* ============================================================
   pricing.css — Pricing page styles
   Uses CSS custom properties from the design system only.
   ============================================================ */

/* ----- Hero ----- */
.pricing-hero {
    text-align: center;
    padding: var(--space-12) var(--space-4) var(--space-8);
}

.pricing-hero__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.pricing-hero__subtitle {
    font-size: var(--text-md);
    color: var(--color-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: var(--leading-relaxed);
}

/* ----- Billing toggle ----- */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin: var(--space-6) 0 var(--space-10);
}

.pricing-toggle__switch {
    display: flex;
    border: var(--border-width-1) solid var(--border-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
    background: var(--bg-primary);
}

.pricing-toggle__btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    font-weight: var(--font-medium);
    border: none;
    background: transparent;
    color: var(--color-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.pricing-toggle__btn--active {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.pricing-toggle__badge {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--color-success);
    color: var(--bg-primary);
}

/* ----- Pricing grid ----- */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    align-items: stretch;
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ----- Base card ----- */
.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: var(--border-width-2) solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--space-8) var(--space-6) var(--space-6);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.pricing-card:hover {
    box-shadow: var(--shadow-md, var(--card-shadow));
}

/* On mobile, featured card floats to top */
@media (max-width: 767px) {
    .pricing-card--featured {
        order: -1;
    }
}

/* ----- Featured (Premium) card ----- */
.pricing-card--featured {
    border-color: var(--border-emphasis, var(--border-primary));
    border-width: var(--border-width-2);
}

@media (min-width: 1024px) {
    .pricing-card--featured {
        transform: scale(1.02);
        z-index: 1;
    }
}

/* ----- Legacy card ----- */
.pricing-card--legacy {
    border-color: var(--color-warning, var(--border-primary));
}

/* ----- Badge ----- */
.pricing-badge {
    position: absolute;
    top: calc(-1 * var(--space-4));
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    font-family: var(--font-mono);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pricing-badge--legacy {
    background: var(--color-warning, var(--btn-primary-bg));
    color: var(--bg-primary);
}

/* ----- Card header ----- */
.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.pricing-header__name {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.pricing-price-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.pricing-price {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    line-height: 1;
}

.pricing-period {
    font-size: var(--text-sm);
    color: var(--color-secondary);
}

.pricing-annual-total {
    font-size: var(--text-xs);
    color: var(--color-secondary);
    margin-bottom: var(--space-5);
}

.pricing-cta {
    display: block;
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-sm, 4px);
    text-decoration: none;
    transition: opacity var(--transition-fast);
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: var(--border-width-1) solid var(--btn-primary-border);
}

.pricing-cta:hover {
    opacity: 0.85;
}

.pricing-cta--secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text, var(--color-primary));
    border-color: var(--btn-secondary-border, var(--border-primary));
}

/* ----- Feature lists ----- */
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.pricing-features__heading {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: var(--border-width-1) solid var(--card-border);
}

.pricing-feature {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    border-bottom: var(--border-width-1) solid var(--card-border);
}

.pricing-feature:last-child {
    border-bottom: none;
}

.pricing-feature__icon {
    flex-shrink: 0;
    font-style: normal;
    font-size: var(--text-sm);
    width: 1.25em;
    text-align: center;
}

.pricing-feature--included {
    color: var(--color-primary);
}

.pricing-feature--included .pricing-feature__icon {
    color: var(--color-success);
}

.pricing-feature--excluded {
    color: var(--color-secondary);
    opacity: 0.55;
}

.pricing-feature--excluded .pricing-feature__icon {
    color: var(--color-disabled, var(--color-secondary));
}

/* ----- Support / Donation panel ----- */
.pricing-support {
    text-align: center;
    padding: var(--space-10) var(--space-6);
    background: var(--card-bg);
    border: var(--border-width-1) solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    max-width: 600px;
    margin: 0 auto var(--space-16);
}

.pricing-support__icon {
    font-size: var(--text-3xl);
    line-height: 1;
    margin-bottom: var(--space-4);
    color: var(--color-error, #dc2626);
}

.pricing-support__title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.pricing-support__body {
    font-size: var(--text-sm);
    color: var(--color-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

/* ----- FAQ accordion ----- */
.pricing-faq {
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.pricing-faq__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--space-8);
}

.pricing-faq details {
    border-bottom: var(--border-width-1) solid var(--card-border);
}

.pricing-faq details:first-of-type {
    border-top: var(--border-width-1) solid var(--card-border);
}

.pricing-faq summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) var(--space-2);
    font-size: var(--text-md);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    gap: var(--space-4);
    transition: color var(--transition-fast);
}

.pricing-faq summary::-webkit-details-marker {
    display: none;
}

.pricing-faq summary:hover {
    color: var(--color-secondary);
}

.pricing-faq summary::after {
    content: '+';
    flex-shrink: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-light);
    color: var(--color-secondary);
    transition: transform var(--transition-fast);
}

.pricing-faq details[open] summary::after {
    transform: rotate(45deg);
}

.pricing-faq__answer {
    padding: 0 var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    color: var(--color-secondary);
    line-height: var(--leading-relaxed);
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
    .pricing-card,
    .pricing-toggle__btn,
    .pricing-cta,
    .pricing-faq summary::after {
        transition: none;
    }

    @media (min-width: 1024px) {
        .pricing-card--featured {
            transform: none;
        }
    }
}