/**
 * RizzBio Master Landing Page Stylesheet
 * Scoped Namespace: .rizzbio-*
 * Clean, High-Trust Modern Light Theme with Premium Accents
 * WCAG 2.2 AA Compliant Contrast & Focus States
 * Strict Directed Acyclic Graph (DAG) Heading Typography Hierarchy
 */

:root {
    --rb-bg-page: #ffffff;
    --rb-bg-alt: #f8fafc;
    --rb-bg-card: #ffffff;
    --rb-bg-card-hover: #ffffff;
    --rb-border: #e2e8f0;
    --rb-border-hover: #cbd5e1;
    --rb-border-focus: #4f46e5;
    --rb-text-main: #0f172a;
    --rb-text-body: #334155;
    --rb-text-muted: #64748b;
    --rb-text-subtle: #94a3b8;
    --rb-primary: #4f46e5;
    --rb-primary-hover: #4338ca;
    --rb-accent-rose: #e11d48;
    --rb-accent-rose-hover: #be123c;
    --rb-accent-emerald: #059669;
    --rb-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --rb-radius-sm: 8px;
    --rb-radius-md: 12px;
    --rb-radius-lg: 18px;
    --rb-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --rb-shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
    --rb-shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08);
}

/* Base Wrapper & Container */
.rizzbio-landingpage-wrap {
    background-color: var(--rb-bg-page);
    color: var(--rb-text-body);
    font-family: var(--rb-font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.rizzbio-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ─── SECTION 1: HERO ─── */
.rizzbio-hero-section {
    padding: 64px 0 48px;
    background: radial-gradient(circle at 50% 0%, #f1f5f9 0%, #ffffff 70%);
    text-align: center;
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-hero-header {
    max-width: 820px;
    margin: 0 auto;
}

.rizzbio-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: 9999px;
    padding: 6px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rb-primary);
    margin-bottom: 20px;
}

.rizzbio-hero-pill__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rb-accent-rose);
    box-shadow: 0 0 8px rgba(225, 29, 72, 0.4);
}

.rizzbio-hero-title {
    font-size: clamp(2.1rem, 4.5vw + 1rem, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--rb-text-main);
    margin: 0 0 18px;
}

.rizzbio-text-gradient {
    background: linear-gradient(135deg, #4f46e5 0%, #e11d48 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.rizzbio-hero-subtitle {
    font-size: clamp(1.05rem, 1.2vw + 0.5rem, 1.225rem);
    line-height: 1.65;
    color: var(--rb-text-body);
    max-width: 760px;
    margin: 0 auto 36px;
}

/* Generator Mount Card */
.rizzbio-generator-embed-wrap {
    max-width: 820px;
    margin: 0 auto 44px;
    text-align: left;
}

.rizzbio-generator-embed-card {
    background: var(--rb-bg-card);
    border: 1.5px solid var(--rb-border);
    border-radius: var(--rb-radius-lg);
    padding: 28px;
    box-shadow: var(--rb-shadow-lg);
}

.rizzbio-generator-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-generator-step-label {
    font-weight: 700;
    font-size: 1rem;
    color: var(--rb-text-main);
}

.rizzbio-generator-badge {
    background: #ecfdf5;
    color: var(--rb-accent-emerald);
    border: 1px solid #a7f3d0;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Trust Bar & Badges */
.rizzbio-hero-trust-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding-top: 28px;
    border-top: 1px solid var(--rb-border);
    max-width: 820px;
    margin: 0 auto;
}

.rizzbio-trust-badges {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--rb-text-body);
}

.rizzbio-stars {
    color: #f59e0b;
    letter-spacing: 2px;
}

.rizzbio-rating-text strong {
    color: var(--rb-text-main);
}

.rizzbio-volume-stat span {
    font-weight: 600;
    color: var(--rb-text-main);
}

.rizzbio-store-links {
    display: flex;
    gap: 12px;
}

.rizzbio-store-btn img {
    height: 44px;
    width: auto;
    border-radius: 6px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.rizzbio-store-btn:hover img {
    transform: translateY(-2px);
    box-shadow: var(--rb-shadow-md);
}

/* ─── SECTION HEADERS (H2 Functional Clusters) ─── */
.rizzbio-section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 48px;
}

.rizzbio-section-title {
    font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.35rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--rb-text-main);
    margin: 0 0 14px;
}

.rizzbio-section-subtitle {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--rb-text-body);
    margin: 0;
}

/* ─── SECTION 2: SOCIAL PROOF & COMPARISON ─── */
.rizzbio-social-proof-section {
    padding: 72px 0;
    background: #ffffff;
}

.rizzbio-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.rizzbio-comparison-card {
    background: var(--rb-bg-alt);
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 24px;
    box-shadow: var(--rb-shadow-sm);
}

.rizzbio-comparison-card--bad {
    border-left: 5px solid #ef4444;
}

.rizzbio-comparison-card--good {
    border-left: 5px solid var(--rb-accent-emerald);
    background: #ffffff;
    box-shadow: var(--rb-shadow-md);
}

.rizzbio-comparison-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 14px;
    color: var(--rb-text-main);
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
}

.rizzbio-comparison-card__quote {
    font-style: italic;
    color: var(--rb-text-main);
    margin: 0 0 16px;
    line-height: 1.6;
    font-size: 1rem;
    background: rgba(15, 23, 42, 0.03);
    padding: 14px 16px;
    border-radius: 8px;
}

.rizzbio-comparison-card__critique {
    font-size: 0.925rem;
    color: var(--rb-text-body);
    line-height: 1.55;
    margin: 0;
}

.rizzbio-comparison-card__critique strong {
    color: var(--rb-text-main);
}

/* Reviews Grid */
.rizzbio-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.rizzbio-review-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 24px;
    box-shadow: var(--rb-shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rizzbio-review-card__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
}

.rizzbio-review-card__author {
    font-weight: 700;
    font-size: 1rem;
    color: var(--rb-text-main);
    margin: 0;
    line-height: 1.4;
}

.rizzbio-review-card__platform {
    font-size: 0.825rem;
    color: var(--rb-primary);
    font-weight: 600;
}

.rizzbio-review-card__text {
    font-size: 0.95rem;
    color: var(--rb-text-body);
    line-height: 1.6;
    margin: 0;
}

/* ─── SECTION 3: PROBLEM AGITATION ─── */
.rizzbio-problem-section {
    padding: 72px 0;
    background: var(--rb-bg-alt);
    border-top: 1px solid var(--rb-border);
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.rizzbio-problem-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 28px 24px;
    box-shadow: var(--rb-shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rizzbio-problem-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--rb-shadow-md);
}

.rizzbio-problem-card__icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.rizzbio-problem-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rb-text-main);
    margin: 0 0 10px;
    line-height: 1.35;
}

.rizzbio-problem-card__text {
    font-size: 0.925rem;
    color: var(--rb-text-body);
    line-height: 1.6;
    margin: 0;
}

/* ─── SECTION 4: HOW IT WORKS ─── */
.rizzbio-process-section {
    padding: 72px 0;
    background: #ffffff;
}

.rizzbio-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.rizzbio-step-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 28px 24px;
    box-shadow: var(--rb-shadow-sm);
    position: relative;
}

.rizzbio-step-card__number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--rb-primary);
    line-height: 1;
    margin-bottom: 14px;
}

.rizzbio-step-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--rb-text-main);
    margin: 0 0 10px;
    line-height: 1.35;
}

.rizzbio-step-card__text {
    font-size: 0.925rem;
    color: var(--rb-text-body);
    line-height: 1.6;
    margin: 0;
}

/* ─── SECTION 5: PLATFORM CAPABILITIES ─── */
.rizzbio-platforms-section {
    padding: 72px 0;
    background: var(--rb-bg-alt);
    border-top: 1px solid var(--rb-border);
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.rizzbio-platform-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 24px;
    box-shadow: var(--rb-shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rizzbio-platform-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--rb-shadow-md);
}

.rizzbio-platform-card__media img {
    width: 100%;
    height: auto;
    border-radius: var(--rb-radius-sm);
    margin-bottom: 18px;
    display: block;
    border: 1px solid var(--rb-border);
}

.rizzbio-platform-card__badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    background: #eef2ff;
    color: var(--rb-primary);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.rizzbio-platform-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rb-text-main);
    margin: 0 0 10px;
    line-height: 1.35;
}

.rizzbio-platform-card__text {
    font-size: 0.925rem;
    color: var(--rb-text-body);
    line-height: 1.6;
    margin: 0 0 18px;
}

.rizzbio-platform-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--rb-primary);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    margin-top: auto;
}

.rizzbio-platform-card__cta:hover {
    text-decoration: underline;
}

/* ─── SECTION 6: DYNAMIC CATEGORY SHOWCASES ─── */
.rizzbio-category-sync-section {
    padding: 72px 0;
    background: #ffffff;
}

.rizzbio-cat-sync-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.rizzbio-cat-feed-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--rb-shadow-sm);
}

.rizzbio-cat-feed-card__header {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-cat-feed-card__badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.rizzbio-cat-feed-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: var(--rb-text-main);
    line-height: 1.35;
}

.rizzbio-cat-feed-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.rizzbio-cat-feed-item__link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--rb-text-main);
    padding: 6px;
    border-radius: var(--rb-radius-sm);
    transition: background 0.15s ease;
}

.rizzbio-cat-feed-item__link:hover {
    background: var(--rb-bg-alt);
}

.rizzbio-cat-feed-item__thumb img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 6px;
    display: block;
    border: 1px solid var(--rb-border);
}

.rizzbio-cat-feed-item__content {
    flex: 1;
    min-width: 0;
}

.rizzbio-cat-feed-item__title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--rb-text-main);
}

.rizzbio-cat-feed-item__date {
    font-size: 0.775rem;
    color: var(--rb-text-muted);
    display: block;
    margin-top: 2px;
}

.rizzbio-cat-feed-card__footer {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--rb-border);
}

.rizzbio-cat-feed-card__archive-link {
    color: var(--rb-primary);
    font-weight: 700;
    font-size: 0.925rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.rizzbio-cat-feed-card__archive-link:hover {
    text-decoration: underline;
}

/* ─── SECTION 7: PRICING ─── */
.rizzbio-pricing-section {
    padding: 72px 0;
    background: var(--rb-bg-alt);
    border-top: 1px solid var(--rb-border);
    border-bottom: 1px solid var(--rb-border);
}

.rizzbio-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 820px;
    margin: 0 auto 36px;
}

.rizzbio-pricing-card {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    padding: 32px 28px;
    box-shadow: var(--rb-shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rizzbio-pricing-card--featured {
    border: 2px solid var(--rb-primary);
    box-shadow: var(--rb-shadow-lg);
    position: relative;
}

.rizzbio-pricing-card__badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--rb-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 9999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rizzbio-pricing-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--rb-text-main);
    margin: 0 0 8px;
    line-height: 1.35;
}

.rizzbio-pricing-card__price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--rb-text-main);
    margin: 10px 0;
    line-height: 1;
}

.rizzbio-pricing-card__price span {
    font-size: 1rem;
    color: var(--rb-text-muted);
    font-weight: 500;
}

.rizzbio-pricing-card__desc {
    font-size: 0.925rem;
    color: var(--rb-text-body);
    margin: 0 0 20px;
}

.rizzbio-pricing-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--rb-text-body);
}

.rizzbio-pricing-card__list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.rizzbio-pricing-card__btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    border-radius: var(--rb-radius-sm);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: background 0.15s ease, transform 0.15s ease;
    box-sizing: border-box;
}

.rizzbio-pricing-card__btn--primary {
    background: var(--rb-primary);
    color: #ffffff;
}

.rizzbio-pricing-card__btn--primary:hover {
    background: var(--rb-primary-hover);
    transform: translateY(-1px);
}

.rizzbio-pricing-card__btn--secondary {
    background: #f1f5f9;
    color: var(--rb-text-main);
    border: 1px solid var(--rb-border);
}

.rizzbio-pricing-card__btn--secondary:hover {
    background: #e2e8f0;
}

.rizzbio-pricing-disclosure {
    max-width: 820px;
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--rb-text-muted);
    line-height: 1.6;
    text-align: center;
}

/* ─── SECTION 8: FAQ ACCORDION (H3 Headings) ─── */
.rizzbio-faq-section {
    padding: 72px 0;
    background: #ffffff;
}

.rizzbio-faq-accordion {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rizzbio-faq-item {
    background: #ffffff;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-md);
    overflow: hidden;
    box-shadow: var(--rb-shadow-sm);
}

.rizzbio-faq-item__question {
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    min-height: 48px;
}

.rizzbio-faq-item__question::-webkit-details-marker {
    display: none;
}

.rizzbio-faq-item__title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--rb-text-main);
    line-height: 1.4;
    padding-right: 16px;
}

.rizzbio-faq-item__icon {
    font-size: 1.5rem;
    color: var(--rb-text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.rizzbio-faq-item[open] .rizzbio-faq-item__icon {
    transform: rotate(180deg);
}

.rizzbio-faq-item__answer {
    padding: 0 24px 22px;
    color: var(--rb-text-body);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* ─── FOOTER ─── */
.rizzbio-footer {
    border-top: 1px solid var(--rb-border);
    padding: 64px 0 36px;
    background: var(--rb-bg-alt);
    font-size: 0.9rem;
    color: var(--rb-text-body);
}

.rizzbio-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 48px;
    margin-bottom: 48px;
}

.rizzbio-footer__brand img {
    margin-bottom: 14px;
    height: 38px;
    width: auto;
}

.rizzbio-footer__tagline {
    font-size: 0.95rem;
    color: var(--rb-text-muted);
    margin: 0;
}

.rizzbio-footer__nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rizzbio-footer__heading {
    display: block;
    color: var(--rb-text-main);
    font-weight: 700;
    margin-bottom: 16px;
}

.rizzbio-footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rizzbio-footer__col a {
    color: var(--rb-text-body);
    text-decoration: none;
    transition: color 0.15s ease;
}

.rizzbio-footer__col a:hover {
    color: var(--rb-primary);
}

.rizzbio-footer__disclaimer {
    font-size: 0.825rem;
    line-height: 1.6;
    color: var(--rb-text-muted);
    border-top: 1px solid var(--rb-border);
    padding-top: 24px;
    margin-bottom: 12px;
}

.rizzbio-footer__copy {
    font-size: 0.825rem;
    color: var(--rb-text-muted);
    margin: 0;
}

/* Accessible Focus States (WCAG 2.2 AA) */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--rb-border-focus);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .rizzbio-generator-embed-wrap {
        margin: 0 auto 28px;
        padding: 0 4px;
    }
    .rizzbio-generator-embed-card {
        padding: 16px 10px;
        border-radius: 14px;
    }
    .rizzbio-generator-card-header {
        margin-bottom: 14px;
        padding-bottom: 10px;
    }
    .rizzbio-generator-step-label {
        font-size: 0.92rem;
    }
    .rizzbio-hero-trust-bar {
        flex-direction: column;
        text-align: center;
    }
    .rizzbio-footer__grid {
        grid-template-columns: 1fr;
    }
    .rizzbio-footer__nav {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .rizzbio-generator-embed-wrap {
        padding: 0;
        margin: 0 auto 24px;
    }
    .rizzbio-generator-embed-card {
        padding: 10px 4px;
        border-radius: 12px;
    }
}