.frame-hero {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0;
}

.frame-hero-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.frame-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
}

.frame-hero-content {
    padding: 32px 40px;
    text-align: center;
    background: var(--background-color-light);
    color: var(--text-color-light);
}

.frame-breadcrumb {
    font-size: 0.9em;
    margin-bottom: 16px;
}

.frame-breadcrumb a {
    color: var(--link-color-light);
}

.frame-breadcrumb {
    font-size: 0.9em;
    margin-bottom: 16px;
}

.frame-breadcrumb a {
    color: rgba(255,255,255,0.85);
}

.frame-hero h1 {
    font-size: 2.5em;
    margin-bottom: 16px;
    color: var(--text-color-light);
}

.frame-intro {
    font-size: 1.15em;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-color-light);
    opacity: 0.85;
}

.frame-intro {
    font-size: 1.15em;
    line-height: 1.7;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto;
}

.frame-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.frame-section h2 {
    font-size: 1.6em;
    margin-bottom: 20px;
}

.frame-section h3 {
    font-size: 1.2em;
    margin-bottom: 12px;
}

.frame-section p {
    line-height: 1.7;
    margin-bottom: 16px;
}

.frame-element {
    background: var(--box-background-light);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border-left: 4px solid var(--primary-accent);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.frame-element:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.frame-challenges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.frame-challenge {
    background: var(--box-background-light);
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.frame-challenge:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.frame-challenge h4 {
    margin: 0 0 8px 0;
    font-size: 1em;
}

.frame-challenge p {
    margin: 0;
    font-size: 0.95em;
    opacity: 0.85;
}

.frame-questions {
    list-style: none;
    padding: 0;
}

.frame-questions li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-left: 24px;
    position: relative;
}

.frame-questions li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-accent);
}

.frame-cta {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
    background: var(--box-background-light);
    border-radius: 16px;
    margin-bottom: 40px;
}

.frame-cta h2 {
    font-size: 1.6em;
    margin-bottom: 16px;
}

.frame-cta p {
    font-size: 1.05em;
    line-height: 1.6;
    margin-bottom: 24px;
    opacity: 0.85;
}

.frame-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.frame-about {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.frame-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--link-color-light);
    text-decoration: underline;
}

.benefit-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.9em;
    color: var(--link-color-light);
    text-decoration: none;
}

.benefit-link:hover {
    text-decoration: underline;
}

.section-illustration {
    width: 100%;
    max-width: 600px;
    display: block;
    margin: 0 auto 24px;
    border-radius: 12px;
}

.dark-mode .frame-hero-content {
    background: var(--banner-background-dark);
    color: var(--banner-text-dark);
}

.dark-mode .frame-hero h1 {
    color: var(--banner-text-dark);
}

.dark-mode .frame-intro {
    color: var(--banner-text-dark);
}

.dark-mode .frame-breadcrumb a {
    color: var(--link-color-dark);
}

@media (max-width: 768px) {
    .frame-hero-content {
        padding: 30px 20px 20px;
    }

    .frame-hero h1 {
        font-size: 1.8em;
    }

    .frame-intro {
        font-size: 1em;
    }

    .frame-challenges {
        grid-template-columns: 1fr;
    }

    .frame-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

.citation {
    font-size: 0.75em;
    vertical-align: super;
    line-height: 0;
    opacity: 0.7;
    margin-left: 2px;
}