/* TouchFile — product accent layer (works with product-unified.css) */

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 10000;
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--portfolio-blue, #2f6de8);
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
    outline: 2px solid var(--portfolio-ink, #132946);
    outline-offset: 2px;
}

:root {
    --touchfile-sage: #8e9b8a;
    --touchfile-sage-soft: rgba(142, 155, 138, 0.14);
}

/* Hero panel */
.hero-aside {
    display: flex;
    justify-content: center;
    align-self: stretch;
}

.hero-panel {
    width: min(100%, 360px);
    padding: 28px 26px 22px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    border-radius: 0;
    box-shadow: 0 18px 44px rgba(16, 35, 63, 0.08);
}

.hero-panel-label {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--portfolio-muted, #5c708d);
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

.hero-meta-row {
    display: grid;
    grid-template-columns: 6.75rem minmax(0, 1fr);
    column-gap: 1rem;
    align-items: baseline;
    padding: 13px 0;
    border-bottom: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.12));
    font-size: 0.95rem;
}

.hero-meta-row:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}

.hero-meta-row span {
    color: var(--portfolio-muted, #5c708d);
    font-weight: 500;
    line-height: 1.35;
}

.hero-meta-row strong {
    color: var(--portfolio-ink, #132946);
    font-weight: 600;
    text-align: right;
    line-height: 1.35;
    font-variant-numeric: tabular-nums;
}

/* Platform pills */
.touchfile-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.35rem;
}

.touchfile-platform {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.38rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--portfolio-blue, #2f6de8);
    background: var(--portfolio-blue-soft, rgba(47, 109, 232, 0.12));
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

/* Hero download button — product-unified omits padding */
.download-btn,
.download-btn.primary {
    padding: 0.875rem 1.625rem !important;
    font-size: 0.9375rem !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    white-space: nowrap;
    transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}

.download-btn svg {
    flex-shrink: 0;
}

/* Section headers */
.touchfile-section-header {
    max-width: 42rem;
    margin: 0 auto 3rem;
    text-align: center;
}

.touchfile-section-header .section-title {
    text-wrap: balance;
    margin-bottom: 0.85rem;
}

.touchfile-section-header .section-subtitle {
    margin: 0;
    line-height: 1.75;
}

/* Layout grids (layout only — colors from product-unified.css) */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.use-case-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.35rem 1.25rem 1.25rem !important;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.use-case-card h3 {
    margin: 0 0 0.65rem;
    font-size: 1.05rem;
    line-height: 1.35;
}

.use-case-card p {
    flex: 1;
    margin: 0;
    line-height: 1.55;
}

/* Closing section — use cases + app info */
.touchfile-closing-section {
    padding-bottom: 84px !important;
}

.touchfile-app-info {
    margin-top: 3rem;
    padding-top: 2.75rem;
    border-top: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

.touchfile-app-info .app-info-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 1.25rem !important;
    align-items: stretch;
    margin-top: 0;
}

.touchfile-app-info .info-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.65rem 1.5rem !important;
}

.touchfile-app-info .info-card h3 {
    margin: 0 0 1.1rem !important;
    min-height: 1.35rem;
    font-size: 1.05rem !important;
    line-height: 1.35;
}

.app-info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.info-card li {
    padding: 0.65rem 0 0.65rem 1rem;
    position: relative;
    border-bottom: 1px solid rgba(47, 109, 232, 0.08);
    font-size: 0.9375rem;
    line-height: 1.45;
}

.info-card li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.95rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--touchfile-sage);
    transform: translateY(-50%);
}

.privacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

/* Privacy section — TouchFile layout */
.touchfile-privacy-section .touchfile-section-header {
    margin-bottom: 2.75rem;
}

.touchfile-privacy-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.touchfile-privacy-card {
    padding: 1.65rem 1.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    box-shadow: 0 14px 40px rgba(16, 35, 63, 0.06);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.touchfile-privacy-card:hover {
    transform: translateY(-3px);
    border-color: rgba(142, 155, 138, 0.45);
}

.touchfile-privacy-num {
    display: block;
    margin-bottom: 0.85rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--portfolio-blue, #2f6de8);
}

.touchfile-privacy-card h3 {
    margin: 0 0 0.6rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--portfolio-ink, #132946);
    line-height: 1.35;
}

.touchfile-privacy-card p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-local-flow {
    padding: 1.5rem 1.75rem 1.35rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    box-shadow: 0 18px 48px rgba(16, 35, 63, 0.07);
}

.touchfile-local-flow-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.35rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

.touchfile-local-flow-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-local-flow-badge {
    padding: 0.3rem 0.65rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--touchfile-sage);
    background: var(--touchfile-sage-soft);
    border: 1px solid rgba(142, 155, 138, 0.28);
}

.touchfile-local-flow-track {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: stretch;
    margin-bottom: 1.25rem;
}

.touchfile-flow-node {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.1rem;
    background: var(--portfolio-surface-soft, #eef6ff);
    border: 1px solid rgba(47, 109, 232, 0.1);
}

.touchfile-flow-node-accent {
    background: var(--portfolio-blue-soft, rgba(47, 109, 232, 0.12));
    border-color: rgba(47, 109, 232, 0.22);
}

.touchfile-flow-node-tag {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-flow-node strong {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--portfolio-ink, #132946);
    font-family: 'SF Mono', 'JetBrains Mono', ui-monospace, monospace;
}

.touchfile-flow-node span:last-child {
    font-size: 0.8125rem;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--portfolio-blue, #2f6de8);
    font-size: 1.15rem;
    font-weight: 300;
    opacity: 0.55;
}

.touchfile-local-denials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.touchfile-local-denials li {
    position: relative;
    padding-left: 1.15rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-local-denials li::before {
    content: "✕";
    position: absolute;
    left: 0;
    top: 0;
    color: #c45c5c;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Feature cards — sage hover accent */
.feature-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(142, 155, 138, 0.45) !important;
}

.feature-card:active {
    transform: translateY(-1px);
}

.feature-icon {
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 1rem;
}

/* Workflow */
.touchfile-workflow-section {
    padding: 84px 0;
    background: var(--portfolio-surface-soft, #eef6ff);
}

.touchfile-workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.touchfile-workflow-step {
    position: relative;
    padding: 2rem 1.75rem 1.75rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    box-shadow: 0 18px 48px rgba(16, 35, 63, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.touchfile-workflow-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 54px rgba(16, 35, 63, 0.1);
}

.touchfile-workflow-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -1.15rem;
    transform: translateY(-50%);
    color: var(--portfolio-blue, #2f6de8);
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.55;
    pointer-events: none;
}

.touchfile-step-num {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--portfolio-blue, #2f6de8);
    margin-bottom: 0.85rem;
}

.touchfile-workflow-step h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--portfolio-ink, #132946);
    margin-bottom: 0.65rem;
}

.touchfile-workflow-step p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--portfolio-muted, #5c708d);
}

/* Platform comparison */
.touchfile-platform-section {
    padding: 84px 0;
    background: #ffffff;
}

.touchfile-platform-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.touchfile-platform-card {
    padding: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    box-shadow: 0 18px 48px rgba(16, 35, 63, 0.06);
    transition: transform 0.25s ease;
}

.touchfile-platform-card:hover {
    transform: translateY(-3px);
}

.touchfile-platform-card-head {
    padding: 1.35rem 1.5rem;
    background: var(--portfolio-surface-soft, #eef6ff);
    border-bottom: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

.touchfile-platform-card-head h3 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--portfolio-ink, #132946);
}

.touchfile-platform-card-head p {
    margin: 0.35rem 0 0;
    font-size: 0.875rem;
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-platform-list {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

.touchfile-platform-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(47, 109, 232, 0.08);
}

.touchfile-platform-list li:last-child {
    border-bottom: none;
}

.touchfile-platform-list span {
    color: var(--portfolio-muted, #5c708d);
}

.touchfile-platform-list strong {
    color: var(--portfolio-ink, #132946);
    font-weight: 600;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Metadata reference */
.touchfile-metadata-section {
    padding: 84px 0;
    background: var(--portfolio-surface-soft, #eef6ff);
}

.touchfile-metadata-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.touchfile-metadata-group {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
    box-shadow: 0 14px 40px rgba(16, 35, 63, 0.05);
}

.touchfile-metadata-group h3 {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--portfolio-blue, #2f6de8);
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--portfolio-border, rgba(47, 109, 232, 0.16));
}

.touchfile-metadata-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.touchfile-metadata-group li {
    padding: 0.45rem 0;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--portfolio-muted, #5c708d);
    border-bottom: 1px solid rgba(47, 109, 232, 0.06);
}

.touchfile-metadata-group li:last-child {
    border-bottom: none;
}

.touchfile-metadata-group li code {
    font-family: 'SF Mono', 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.82rem;
    color: var(--portfolio-ink, #132946);
    background: var(--portfolio-blue-soft, rgba(47, 109, 232, 0.1));
    padding: 0.1rem 0.35rem;
}

/* Use case tags */
.use-case-card:hover {
    transform: translateY(-4px);
    border-color: var(--touchfile-sage) !important;
}

.touchfile-use-tag {
    display: inline-block;
    margin-bottom: 0.75rem;
    padding: 0.25rem 0.6rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--portfolio-blue, #2f6de8);
    background: var(--portfolio-blue-soft, rgba(47, 109, 232, 0.1));
}

/* CTA strip */
.touchfile-cta-strip {
    margin-top: 2.5rem;
}

.touchfile-cta-strip > span {
    max-width: 36rem;
    line-height: 1.65;
}

.touchfile-cta-actions {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* Focus & interaction polish */
.download-btn:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--portfolio-blue, #2f6de8);
    outline-offset: 3px;
}

.download-btn:active,
.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

/* Responsive */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .touchfile-app-info .app-info-grid {
        grid-template-columns: 1fr !important;
    }

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

    .touchfile-workflow-grid {
        grid-template-columns: 1fr;
    }

    .touchfile-workflow-step:not(:last-child)::after {
        content: "↓";
        top: auto;
        bottom: -1.35rem;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
    }

    .touchfile-metadata-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-panel {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
        text-align: left;
    }

    .hero-meta-row {
        grid-template-columns: 6.5rem minmax(0, 1fr);
    }

    .hero-meta-row strong {
        white-space: normal;
        text-align: right;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .touchfile-local-flow-track {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .touchfile-flow-arrow {
        transform: rotate(90deg);
        padding: 0.15rem 0;
    }

    .touchfile-local-denials {
        flex-direction: column;
        gap: 0.5rem;
    }

    .touchfile-platform-grid,
    .touchfile-metadata-grid {
        grid-template-columns: 1fr;
    }

    .touchfile-cta-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .touchfile-cta-actions .btn {
        width: 100%;
        text-align: center;
    }
}