/* Use Case Library — video + text panel layout */

.use-case-page-header {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(circle at 18% 20%, rgba(50, 205, 50, 0.12), transparent 32%),
        linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.use-case-page-header-inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.use-case-page-header-inner h1 {
    margin: 0 0 var(--spacing-md);
    color: var(--primary-blue);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.use-case-page-header-lede {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.7;
}

.use-case-page-intro {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.use-case-page-intro-inner {
    max-width: 760px;
    margin: 0 auto;
}

.use-case-page-intro .section-intro {
    margin-bottom: 0;
    font-size: clamp(1.1875rem, 2.1vw, 1.3125rem);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.65;
}

.use-case-panel {
    padding: clamp(2.5rem, 5vw, 3.5rem) 0;
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(circle at 18% 20%, rgba(50, 205, 50, 0.08), transparent 34%),
        linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.use-case-panel__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: clamp(1rem, 2vw, 1.5rem);
    align-items: center;
}

.use-case-panel--left .use-case-panel__layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.use-case-panel__media {
    position: relative;
    width: 100%;
    min-width: 0;
}

.use-case-panel__content {
    width: 100%;
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    box-shadow: 0 14px 40px rgba(16, 32, 20, 0.08);
}

.use-case-content-label {
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.use-case-panel__content h2 {
    margin: 0 0 var(--spacing-md);
    color: var(--primary-blue);
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.use-case-panel__content p {
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    line-height: 1.7;
    margin: 0;
}

.use-case-panel__content p + p {
    margin-top: var(--spacing-sm);
}

.use-case-panel__link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
}

.use-case-panel__link:hover,
.use-case-panel__link:focus {
    text-decoration: underline;
}

.use-case-panel__video {
    position: relative;
    width: 100%;
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-white);
    box-shadow: 0 14px 40px rgba(16, 32, 20, 0.1);
}

.use-case-panel__video-media {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    vertical-align: middle;
}

.use-case-panel__video-controls {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: transparent;
    pointer-events: none;
}

.use-case-panel__video-control {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
    padding: 0.55rem 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: 0;
    background: rgba(255, 255, 255, 0.94);
    color: var(--primary-blue);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 8px 24px rgba(16, 32, 20, 0.12);
    transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.use-case-panel__video-control:hover:not(:disabled),
.use-case-panel__video-control:focus-visible:not(:disabled) {
    background: #ffffff;
    border-color: rgba(50, 205, 50, 0.55);
    outline: none;
}

.use-case-panel__video-control:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.use-case-panel__video-control__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
}

.use-case-panel__video-control__icon--play::before {
    content: '';
    margin-left: 0.15rem;
    border-top: 0.45rem solid transparent;
    border-bottom: 0.45rem solid transparent;
    border-left: 0.7rem solid currentColor;
}

.use-case-panel__video-control__icon--pause::before {
    content: '';
    width: 0.22rem;
    height: 0.8rem;
    border-radius: 1px;
    background: currentColor;
    box-shadow: 0.38rem 0 0 currentColor;
}

.use-case-page-cta {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(circle at 18% 20%, rgba(50, 205, 50, 0.12), transparent 34%),
        linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
    text-align: center;
}

.use-case-page-cta-content {
    max-width: 760px;
    margin: 0 auto;
}

.use-case-page-cta h2 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.use-case-page-cta p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .use-case-page-header {
        padding: 0 0 var(--spacing-2xl);
    }

    .use-case-page-header-inner {
        padding-top: var(--spacing-md);
    }

    .use-case-panel {
        padding: var(--spacing-2xl) 0;
    }

    .use-case-panel__layout {
        grid-template-columns: 1fr;
    }

    .use-case-panel__media {
        order: -1;
    }

    .use-case-panel__content {
        padding: var(--spacing-lg);
    }
}