/* Page Hero (inner pages) */
.page-hero {
    background: linear-gradient(135deg, var(--purple) 0%, #4A2D7A 50%, #2D1B4E 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 2rem 4rem;
}

.page-hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-hero .hero-visual img {
    background: #fff;
    border-radius: 50%;
    padding: 1.5rem;
}

.page-hero .section-sub {
    margin-bottom: 0;
    color: #fff;
}

body[data-page="participants"] {
    --page: #D94F0F;
    --page-light: rgba(217, 79, 15, 0.1);
}

body[data-page="research"] {
    --page: #05ADE6;
    --page-light: rgba(5, 173, 230, 0.1);
}

body[data-page="insights"] {
    --page: #D82650;
    --page-light: rgba(216, 38, 80, 0.1);
}

body[data-page="participants"] .page-hero,
body[data-page="research"] .page-hero,
body[data-page="insights"] .page-hero {
    background: linear-gradient(135deg, var(--page) 0%, color-mix(in srgb, var(--page) 60%, #1a1a2e) 50%, color-mix(in srgb, var(--page) 30%, #1a1a2e) 100%);
}

body[data-page="participants"] .feature-badge,
body[data-page="research"] .feature-badge,
body[data-page="insights"] .feature-badge {
    background: var(--page-light);
    color: var(--page);
}

body[data-page="participants"] .feature-checklist li::before,
body[data-page="research"] .feature-checklist li::before,
body[data-page="insights"] .feature-checklist li::before {
    background: var(--page-light);
}

body[data-page="participants"] .feature-checklist li::after,
body[data-page="research"] .feature-checklist li::after,
body[data-page="insights"] .feature-checklist li::after {
    border-left-color: var(--page);
    border-bottom-color: var(--page);
}

body[data-page="participants"] .study-panel-grid h3,
body[data-page="research"] .study-panel-grid h3,
body[data-page="insights"] .study-panel-grid h3 {
    color: var(--page);
    border-bottom-color: color-mix(in srgb, var(--page) 15%, transparent);
}

body[data-page="participants"] .panel-blocks-title,
body[data-page="research"] .panel-blocks-title,
body[data-page="insights"] .panel-blocks-title {
    color: var(--page);
}

body[data-page="participants"] .panel-block-category h4,
body[data-page="research"] .panel-block-category h4,
body[data-page="insights"] .panel-block-category h4 {
    color: var(--page);
}

body[data-page="research"] .panel-flow-callout {
    background: rgba(217, 79, 15, 0.1);
    border-color: rgba(217, 79, 15, 0.2);
}

body[data-page="research"] .panel-flow-callout h4 {
    color: #D94F0F;
}

body[data-page="participants"] .panel-participant-flow,
body[data-page="research"] .panel-participant-flow,
body[data-page="insights"] .panel-participant-flow {
    background: var(--page-light);
    border-color: color-mix(in srgb, var(--page) 15%, transparent);
}

body[data-page="participants"] .panel-participant-flow h4,
body[data-page="research"] .panel-participant-flow h4,
body[data-page="insights"] .panel-participant-flow h4 {
    color: var(--page);
}

body[data-page="participants"] .privacy-principle .principle-icon,
body[data-page="insights"] .panel-icon {
    background: var(--page-light);
}

body[data-page="participants"] .privacy-principle .principle-icon svg,
body[data-page="research"] .panel-icon svg,
body[data-page="insights"] .panel-icon svg {
    color: var(--page);
}

body[data-page="participants"] .privacy-principle h4,
body[data-page="research"] .panel-block-category h4,
body[data-page="insights"] .panel-block-category h4 {
    color: var(--page);
}

body[data-page="participants"] .privacy-quote,
body[data-page="research"] .blocks-category-title,
body[data-page="insights"] .blocks-category-title {
    color: var(--page);
}

body[data-page="participants"] .recruitment-card .card-icon,
body[data-page="research"] .recruitment-card .card-icon,
body[data-page="insights"] .recruitment-card .card-icon {
}

body[data-page="participants"] .recruitment-card .card-icon svg,
body[data-page="research"] .recruitment-card .card-icon svg,
body[data-page="insights"] .recruitment-card .card-icon svg {
    color: var(--page);
}

body[data-page="participants"] .faq-icon,
body[data-page="research"] .faq-icon,
body[data-page="insights"] .faq-icon {
    color: var(--page);
}

body[data-page="participants"] .step-flow-item .step-number,
body[data-page="research"] .step-flow-item .step-number,
body[data-page="insights"] .step-flow-item .step-number {
    background: var(--page);
}

body[data-page="participants"] .comparison-card .comparison-label,
body[data-page="research"] .comparison-card .comparison-label,
body[data-page="insights"] .comparison-card .comparison-label {
    background: var(--page-light);
    color: var(--page);
}

body[data-page="participants"] .comparison-card ul li::before,
body[data-page="research"] .comparison-card ul li::before,
body[data-page="insights"] .comparison-card ul li::before {
    background: var(--page-light);
}

body[data-page="participants"] .comparison-card ul li::after,
body[data-page="research"] .comparison-card ul li::after,
body[data-page="insights"] .comparison-card ul li::after {
    border-left-color: var(--page);
    border-bottom-color: var(--page);
}

body[data-page="participants"] .kiosk-subtype ul li::before,
body[data-page="research"] .kiosk-subtype ul li::before,
body[data-page="insights"] .kiosk-subtype ul li::before {
    background: var(--page);
}

body[data-page="participants"] .study-panel-grid ul li::before,
body[data-page="research"] .study-panel-grid ul li::before,
body[data-page="insights"] .study-panel-grid ul li::before {
    background: var(--page);
}

/* Feature Detail List */
.feature-detail-list {
    padding: 5rem 2rem;
}

.feature-detail {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.feature-detail.reverse {
    flex-direction: row-reverse;
}

.feature-detail-content {
    flex: 1;
}

.feature-badge {
    display: inline-block;
    background: rgba(105, 64, 165, 0.1);
    color: var(--purple);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.heading-with-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.heading-with-badge .feature-badge {
    margin-bottom: 0;
}

.feature-detail-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-detail-content p {
    color: var(--gray-500);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-checklist {
    list-style: none;
}

.feature-checklist li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.625rem;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.feature-checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 16px;
    height: 16px;
    background: rgba(105, 64, 165, 0.1);
    border-radius: 50%;
}

.feature-checklist li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 6px;
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--purple);
    border-bottom: 2px solid var(--purple);
    transform: rotate(-45deg);
}

.feature-detail-visual {
    flex: 0 0 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder {
    width: 200px;
    height: 200px;
    background: rgba(105, 64, 165, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder svg {
    width: 64px;
    height: 64px;
    color: var(--purple-light);
    opacity: 0.5;
}

/* Pricing */
.pricing-section {
    padding: 5rem 2rem;
    background: var(--gray-50);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    max-width: 420px;
    width: 100%;
    text-align: center;
    border: 2px solid transparent;
}

.pricing-card:hover {
    border-color: var(--purple);
}

.pricing-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 0.75rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
}

.price-period {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.pricing-desc {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.pricing-badge {
    display: inline-block;
    background: linear-gradient(135deg, #6d28d9, #7c3aed);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    margin-bottom: 0.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 16px;
    height: 16px;
    background: rgba(105, 64, 165, 0.1);
    border-radius: 50%;
}

.pricing-features li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 8px;
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--purple);
    border-bottom: 2px solid var(--purple);
    transform: rotate(-45deg);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Add-ons */
.pricing-add-ons {
    text-align: center;
}

.pricing-add-ons h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2rem;
}

.addon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.addon-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.addon-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.addon-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.addon-detail {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* About */
.about-content {
    padding: 5rem 2rem;
}

.about-block {
    max-width: 720px;
    margin: 0 auto 3rem;
}

.about-block h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.about-block p {
    color: var(--gray-500);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Contact */
.contact-section {
    padding: 5rem 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray-500);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-item h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--purple);
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--purple-dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--gray-700);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 0 3px rgba(105, 64, 165, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

#contact-form-message {
    font-size: 0.9rem;
    margin-top: 0.75rem;
}

.form-success {
    color: #16a34a;
    background: #f0fdf4;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

.form-error {
    color: #dc2626;
    background: #fef2f2;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

/* Legal Pages */
.legal-content {
    padding: 5rem 2rem;
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.legal-date {
    color: var(--gray-500);
    margin-bottom: 3rem;
}

.legal-block {
    margin-bottom: 2.5rem;
}

.legal-block h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.legal-block p {
    color: var(--gray-500);
    font-size: 1rem;
    line-height: 1.8;
}

.legal-block a {
    color: var(--purple);
}

.legal-block a:hover {
    text-decoration: underline;
}

/* Page Hero Actions */
.page-hero .hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.page-hero .hero-visual {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

.page-hero .visual-placeholder {
    width: 100%;
    max-width: 560px;
    height: 280px;
}

.page-hero .visual-placeholder .placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.page-hero .visual-placeholder .placeholder-content svg {
    width: 48px;
    height: 48px;
    color: rgba(255,255,255,0.5);
    opacity: 1;
}

.page-hero .visual-placeholder .placeholder-content span {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    font-weight: 500;
}

.visual-placeholder[data-type="screenshot"] {
    background: rgba(255,255,255,0.08);
    border: 2px dashed rgba(255,255,255,0.2);
}

.visual-placeholder[data-type="screenshot"] .placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.visual-placeholder[data-type="screenshot"] .placeholder-content span {
    color: rgba(105,64,165,0.6);
    font-size: 0.85rem;
    font-weight: 500;
}

.visual-placeholder[data-type="screenshot"] .placeholder-content svg {
    width: 40px;
    height: 40px;
    color: var(--purple-light);
    opacity: 0.5;
}

/* Social Proof Strip */
.social-proof-strip {
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.social-proof-strip .section-sub {
    margin-bottom: 1.5rem;
    color: var(--gray-500);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-proof-strip .proof-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    opacity: 0.4;
}

.social-proof-strip .proof-logos span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-500);
}

/* No Limits Callout Strip */
.callout-strip {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, var(--purple) 0%, #4A2D7A 100%);
    color: var(--white);
    text-align: center;
}

.callout-strip h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.callout-strip p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 640px;
    margin: 0 auto 1.5rem;
}

.callout-strip .callout-items {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.callout-strip .callout-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
}

.callout-strip .callout-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Panel callout for Insight Squid Panel */
.panel-callout {
    margin-top: 2rem;
    padding: 1.5rem 2rem;
    background: rgba(217, 79, 15, 0.08);
    border: 1px solid rgba(217, 79, 15, 0.2);
    border-radius: var(--radius-lg);
}

.panel-callout-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.panel-callout-header svg {
    color: #D94F0F;
}

.panel-callout-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.panel-callout-header .badge-soon {
    display: inline-block;
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
}

.panel-callout-header .badge-free {
    display: inline-block;
    background: #B03D0A;
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
}

.panel-callout p {
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.panel-callout-insights {
    background: rgba(216, 38, 80, 0.08);
    border-color: rgba(216, 38, 80, 0.2);
    text-align: center;
}

.panel-callout-insights h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #D82650;
    margin-bottom: 0.5rem;
}

.panel-callout-insights p {
    max-width: 600px;
    margin: 0 auto;
}

/* Recruitment Method Cards */
.study-type-section {
    padding-top: 5rem;
}

.recruitment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.recruitment-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.2s, transform 0.2s;
}

.recruitment-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.recruitment-card .card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.recruitment-card .card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--purple);
}

.recruitment-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.recruitment-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.recruitment-card .badge-soon {
    display: inline-block;
    background: var(--orange);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* Privacy Callout */
.privacy-callout {
    padding: 5rem 2rem;
    background: var(--gray-50);
}

.privacy-callout-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.privacy-callout h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.privacy-callout > .section-container > p {
    color: var(--gray-500);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.privacy-principles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    text-align: left;
    margin-top: 2.5rem;
}

.privacy-principle {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.privacy-principle .principle-icon {
    width: 40px;
    height: 40px;
    background: rgba(105, 64, 165, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.privacy-principle .principle-icon svg {
    width: 20px;
    height: 20px;
    color: var(--purple);
}

.privacy-principle h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.privacy-principle p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.privacy-quote {
    margin-top: 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--purple);
    font-style: italic;
}

/* Study Type Panels */
.study-types-section {
    padding: 5rem 2rem;
}

.study-panel {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    margin-bottom: 2.5rem;
    overflow: hidden;
}

.study-panel:last-child {
    margin-bottom: 0;
}

.study-panel-header {
    padding: 2rem 2.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.study-panel-header .panel-icon {
    width: 96px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.study-panel-header .panel-icon img {
    width: 96px;
    height: 96px;
}
}

.study-panel-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.study-panel-header p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.5;
}

.study-panel-header .header-badges {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
    flex-shrink: 0;
}

.study-panel-body {
    padding: 2rem 2.5rem;
}

.study-panel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.study-panel-grid h3 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--purple);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(105, 64, 165, 0.15);
}

.study-panel-grid p,
.study-panel-grid ul {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.study-panel-grid ul {
    list-style: none;
    padding: 0;
}

.study-panel-grid ul li {
    padding: 0.25rem 0 0.25rem 1.25rem;
    position: relative;
}

.study-panel-grid ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    background: var(--purple-light);
    border-radius: 50%;
}

/* Blocks inside study panel */
.panel-blocks {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.panel-blocks-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.panel-blocks-note {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.panel-block-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.panel-block-category h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--purple);
    margin-bottom: 0.5rem;
}

.panel-block-category ul {
    list-style: none;
    padding: 0;
}

.panel-block-category ul li {
    font-size: 0.8rem;
    color: var(--gray-700);
    padding: 0.35rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-block-category ul li img {
    flex-shrink: 0;
    opacity: 0.85;
}

/* Flow callout inside panel */
.panel-flow-callout {
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: rgba(217, 79, 15, 0.1);
    border: 1px solid rgba(217, 79, 15, 0.2);
    border-radius: var(--radius);
}

.panel-flow-callout h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #D94F0F;
    margin-bottom: 0.5rem;
}

.panel-flow-callout .flow-callout-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.panel-flow-callout .flow-callout-header h4 {
    margin-bottom: 0;
}

.panel-flow-callout .flow-modes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.panel-flow-callout .flow-mode h5 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.panel-flow-callout .flow-mode p {
    font-size: 0.8rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Participant flow callout */
.panel-participant-flow {
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: rgba(105, 64, 165, 0.04);
    border: 1px solid rgba(105, 64, 165, 0.15);
    border-radius: var(--radius);
}

.panel-participant-flow h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--purple);
    margin-bottom: 0.5rem;
}

.panel-participant-flow p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* Panel screenshot placeholder */
.study-panel-visual {
    padding: 0 2.5rem 2rem;
}

.study-panel-visual .visual-placeholder {
    width: 100%;
    max-width: 100%;
    height: 240px;
}

/* Data Import Section */
.data-import-section {
    padding: 5rem 2rem;
}

.data-import-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.data-import-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    text-align: center;
}

.data-import-card .import-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.data-import-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Study Blocks Reference */
.study-blocks-section {
    padding: 5rem 2rem;
    background: var(--gray-50);
}

.blocks-category {
    margin-top: 2.5rem;
}

.blocks-category:not(:first-child) {
    margin-top: 3rem;
}

.blocks-category-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--purple);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(105, 64, 165, 0.15);
}

.blocks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.block-card {
    background: var(--white);
    padding: 1.25rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.block-card .block-icon {
    width: 36px;
    height: 36px;
    background: rgba(105, 64, 165, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.block-card .block-icon svg {
    width: 18px;
    height: 18px;
    color: var(--purple);
}

.block-card span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
}

.block-card .block-sub {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* Video feature list */
.video-feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.video-feature-item {
    background: var(--white);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.video-feature-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.375rem;
}

.video-feature-item p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Kiosk sub-type cards */
.kiosk-subtypes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.kiosk-subtype {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.kiosk-subtype h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.kiosk-subtype p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.kiosk-subtype ul {
    list-style: none;
    padding: 0;
}

.kiosk-subtype ul li {
    font-size: 0.85rem;
    color: var(--gray-700);
    padding: 0.25rem 0 0.25rem 1.25rem;
    position: relative;
}

.kiosk-subtype ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    background: var(--purple-light);
    border-radius: 50%;
}

/* FAQ Accordion */
.faq-section {
    padding: 5rem 2rem;
}

.faq-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 0.75rem;
}

.faq-section > .section-container > p {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 3rem;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.faq-question .faq-question-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-900);
}

.faq-question .faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--purple);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-question .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
    padding-bottom: 1.25rem;
}

/* Step Flow (Insights page) */
.step-flow {
    padding: 5rem 2rem;
}

.step-flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.step-flow-item {
    text-align: center;
    position: relative;
}

.step-flow-item .step-number {
    width: 48px;
    height: 48px;
    background: var(--purple);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1.25rem;
}

.step-flow-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.step-flow-item p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.step-flow-item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 24px;
    left: calc(50% + 36px);
    width: calc(100% - 72px);
    height: 2px;
    background: var(--gray-200);
}

/* AI vs Manual Comparison */
.comparison-section {
    padding: 5rem 2rem;
    background: var(--gray-50);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--gray-200);
}

.comparison-card.highlight {
    border-color: var(--gray-200);
    box-shadow: none;
}

.comparison-card .comparison-label {
    display: inline-block;
    background: rgba(105, 64, 165, 0.1);
    color: var(--purple);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.comparison-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.comparison-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.comparison-card ul {
    list-style: none;
    text-align: left;
}

.comparison-card ul li {
    padding: 0.375rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.comparison-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 16px;
    height: 16px;
    background: rgba(105, 64, 165, 0.1);
    border-radius: 50%;
}

.comparison-card ul li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 0.7rem;
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--purple);
    border-bottom: 2px solid var(--purple);
    transform: rotate(-45deg);
}

/* Data to Decision Flow */
.decision-flow {
    padding: 5rem 2rem;
}

.decision-flow-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.decision-step {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    text-align: center;
    border: 1px solid var(--gray-200);
    min-width: 160px;
}

.decision-step h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.decision-step p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.decision-arrow {
    color: var(--purple-light);
    flex-shrink: 0;
}

.decision-arrow svg {
    width: 24px;
    height: 24px;
}

/* Pillar Cards (Homepage) */
.pillar-cards {
    padding: 6rem 2rem;
    background: var(--gray-50);
}

.pillar-cards h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 0.75rem;
}

.pillar-cards > .section-container > p {
    text-align: center;
    color: var(--gray-500);
    font-size: 1.1rem;
    margin-bottom: 3.5rem;
}

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pillar-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
}

.pillar-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pillar-card .pillar-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.pillar-card .pillar-icon svg {
    width: 28px;
    height: 28px;
    color: var(--purple);
}

.pillar-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.pillar-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.pillar-card .pillar-link {
    color: var(--purple);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.pillar-card .pillar-link:hover {
    color: var(--purple-dark);
}

/* Testimonials Section */
.testimonials-section {
    padding: 6rem 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
}

.testimonial-card .testimonial-quote {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-card .testimonial-author {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.9rem;
}

.testimonial-card .testimonial-role {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* Integrations Showcase */
.integrations-section {
    padding: 5rem 2rem;
    background: var(--gray-50);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.integration-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}

.integration-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.integration-item .integration-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 0.25rem;
}

.integration-item p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Homepage Hero Visual Placeholder */
.hero-visual-placeholder {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

.hero-visual-placeholder .visual-placeholder {
    width: 100%;
    max-width: 600px;
    height: 300px;
    background: rgba(255,255,255,0.08);
    border: 2px dashed rgba(255,255,255,0.2);
}

.hero-visual-placeholder .visual-placeholder .placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.hero-visual-placeholder .visual-placeholder .placeholder-content svg {
    width: 48px;
    height: 48px;
    color: rgba(255,255,255,0.5);
    opacity: 1;
}

.hero-visual-placeholder .visual-placeholder .placeholder-content span {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Feature detail with wider visual */
.feature-detail .visual-placeholder.wide {
    width: 360px;
    height: 240px;
}

/* Section heading utility */
.section-heading {
    text-align: center;
    margin-bottom: 3rem;
}

.section-heading h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.section-heading p {
    color: var(--gray-500);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .feature-detail {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .feature-detail.reverse {
        flex-direction: column;
    }

    .feature-detail-visual {
        flex: 0 0 auto;
    }

    .addon-grid {
        grid-template-columns: 1fr;
    }

    .recruitment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blocks-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .study-panel-grid {
        grid-template-columns: 1fr 1fr;
    }

    .panel-block-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-flow-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-flow-item::after {
        display: none;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    .pillar-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    .privacy-principles {
        grid-template-columns: 1fr;
    }

    .data-import-grid {
        grid-template-columns: 1fr;
    }

    .study-type-grid {
        grid-template-columns: 1fr;
    }

    .study-panel-grid {
        grid-template-columns: 1fr 1fr;
    }

    .panel-block-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .panel-flow-callout .flow-modes {
        grid-template-columns: 1fr;
    }

    .study-panel-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .study-panel-header .header-badges {
        margin-left: 0;
    }

    .video-feature-list {
        grid-template-columns: 1fr;
    }

    .kiosk-subtypes {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 3rem 2rem 2.5rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .feature-detail-list {
        padding: 3rem 2rem;
    }

    .feature-detail {
        padding: 2rem 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-section {
        padding: 3rem 2rem;
    }

    .about-content {
        padding: 3rem 2rem;
    }

    .legal-content {
        padding: 3rem 2rem;
    }

    .recruitment-grid {
        grid-template-columns: 1fr;
    }

    .blocks-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-flow-grid {
        grid-template-columns: 1fr;
    }

    .callout-strip .callout-items {
        flex-direction: column;
        align-items: center;
    }

    .page-hero .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .page-hero .visual-placeholder {
        height: 200px;
    }

    .hero-visual-placeholder .visual-placeholder {
        height: 200px;
    }
}