.dblit-hero-text {
    text-align: center;
    padding: 2.5rem 1rem 1.75rem;
}

.dblit-hero-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--site-primary);
    margin-bottom: 1.25rem;
}

.dblit-hero-lead {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #495057;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.dblit-hero-banner {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.dblit-bibcard {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, var(--site-soft) 100%);
    border: 1px solid var(--site-border);
    border-left: 4px solid var(--site-primary);
    border-radius: .75rem;
    padding: 1.5rem 1.75rem;
    margin: 1.5rem auto 0;
    max-width: 820px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .04);
}

.dblit-bibcard-title {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--site-primary-light);
    margin: 0 0 .75rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.dblit-bibcard-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--site-border);
}

.dblit-bibcard-row {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1rem;
    padding: .65rem 0;
    border-bottom: 1px dashed var(--site-border);
}

.dblit-bibcard-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.dblit-bibcard-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--site-primary);
    align-self: center;
}

.dblit-bibcard-value {
    font-size: .95rem;
    color: #495057;
    line-height: 1.5;
}

.dblit-bibcard-isbn .dblit-bibcard-value {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
    letter-spacing: 0.05em;
}

.dblit-section-title {
    font-weight: 600;
    letter-spacing: -0.01em;
    text-align: center;
    margin-bottom: 1rem;
}

.dblit-section-title::after {
    content: '';
    display: block;
    width: 64px;
    height: 3px;
    background: linear-gradient(90deg, var(--site-primary), var(--site-primary-light));
    border-radius: 2px;
    margin: .75rem auto 0;
}

.dblit-novidades {
    background: linear-gradient(180deg, #ffffff 0%, var(--site-soft) 100%);
    border: 1px solid var(--site-border);
    border-radius: 1rem;
    padding: 2.5rem 1.5rem;
}

.dblit-feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: .85rem;
    text-decoration: none;
    color: #212529;
    background: #fff;
    border: 1px solid var(--site-border);
    border-radius: .85rem;
    padding: 1.75rem 1.25rem;
    text-align: center;
    height: 100%;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.dblit-feature-card:hover,
.dblit-feature-card:focus {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(15, 118, 110, .15);
    border-color: #c5d3ec;
    color: var(--site-primary);
    text-decoration: none;
}

.dblit-feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e8efff 0%, #d3e0ff 100%);
    color: var(--site-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.dblit-feature-icon svg {
    width: 30px;
    height: 30px;
}

.dblit-feature-title {
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0;
}

.dblit-video-card {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #1a1a1d 0%, #2a2a30 100%);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 1rem;
    padding: 1.75rem 2rem;
    overflow: hidden;
    position: relative;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.dblit-video-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 0, 0, .18) 0%, transparent 70%);
    pointer-events: none;
}

.dblit-video-card:hover,
.dblit-video-card:focus {
    color: #fff;
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
    border-color: rgba(255, 0, 0, .3);
}

.dblit-video-thumbs {
    position: relative;
    flex-shrink: 0;
    width: 200px;
    aspect-ratio: 16 / 9;
}

.dblit-video-thumbs::before,
.dblit-video-thumbs::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: .65rem;
    background: linear-gradient(135deg, #2e2e34 0%, #44444c 100%);
    border: 1px solid rgba(255, 255, 255, .05);
}

.dblit-video-thumbs::before {
    transform: translate(10px, 10px) scale(.92);
    opacity: .5;
}

.dblit-video-thumbs::after {
    transform: translate(5px, 5px) scale(.96);
    opacity: .75;
}

.dblit-video-thumb-front {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    border-radius: .65rem;
    background: linear-gradient(135deg, #4a4a52 0%, #2a2a30 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
}

.dblit-video-thumb-front::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 18px,
        rgba(255, 255, 255, .03) 18px,
        rgba(255, 255, 255, .03) 19px
    );
    opacity: .5;
}

.dblit-video-play {
    position: relative;
    z-index: 3;
    width: 64px;
    height: 44px;
    background: #ff0000;
    border-radius: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(255, 0, 0, .4);
    transition: transform .25s ease, background .25s ease;
}

.dblit-video-card:hover .dblit-video-play {
    transform: scale(1.1);
    background: #ff1a1a;
}

.dblit-video-play svg {
    width: 18px;
    height: 18px;
    fill: #fff;
    margin-left: 3px;
}

.dblit-video-info {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    min-width: 0;
    text-align: left;
}

.dblit-video-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ff4444;
}

.dblit-video-eyebrow svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.dblit-video-title {
    font-weight: 600;
    font-size: 1.15rem;
    margin: 0;
    color: #fff;
    line-height: 1.35;
}

.dblit-video-cta {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .88rem;
    color: #b8b8c0;
    margin-top: .25rem;
    transition: color .25s ease;
}

.dblit-video-cta::after {
    content: '→';
    transition: transform .25s ease;
}

.dblit-video-card:hover .dblit-video-cta {
    color: #fff;
}

.dblit-video-card:hover .dblit-video-cta::after {
    transform: translateX(4px);
}

.dblit-novidades-text {
    color: #6c757d;
    text-align: center;
}

.dblit-link-inline {
    color: var(--site-primary);
    font-weight: 500;
}

.dblit-link-inline:hover {
    color: var(--site-primary-light);
}

.dblit-footer {
    background: linear-gradient(180deg, #ffffff 0%, var(--site-soft) 100%);
    border-top: 4px solid var(--site-primary);
    margin-top: 3rem;
    padding: 2.5rem 0 1rem;
    color: #495057;
}

.dblit-footer-grid {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
}

.dblit-footer-title {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--site-primary);
    margin: 0 0 1rem;
    padding-bottom: .4rem;
    border-bottom: 2px solid var(--site-primary-light);
    display: inline-block;
}

.dblit-footer-text {
    font-size: .92rem;
    line-height: 1.65;
    color: #495057;
    margin: 0 0 .65rem;
}

.dblit-footer-text a {
    color: var(--site-primary);
    text-decoration: none;
    font-weight: 500;
}

.dblit-footer-text a:hover {
    color: var(--site-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.dblit-footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dblit-footer-contact li {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: .5rem;
    font-size: .93rem;
}

.dblit-footer-contact-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(15, 118, 110, .08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dblit-footer-contact-icon svg {
    width: 14px;
    height: 14px;
    fill: var(--site-primary);
}

.dblit-footer-contact a {
    color: #495057;
    text-decoration: none;
    transition: color .2s ease;
}

.dblit-footer-contact a:hover {
    color: var(--site-primary);
}

.dblit-footer-bottom {
    max-width: 1140px;
    margin: 1.75rem auto 0;
    padding: 1.25rem 1.5rem 0;
    border-top: 1px solid var(--site-border);
    text-align: center;
    color: #6c757d;
    font-size: .85rem;
}

.dblit-footer-bottom p {
    margin: .35rem 0;
}

.dblit-footer-bottom a {
    color: var(--site-primary);
    text-decoration: none;
}

.dblit-footer-bottom a:hover {
    color: var(--site-primary-light);
    text-decoration: underline;
}

.dblit-footer-logos {
    max-width: 1140px;
    margin: 1.5rem auto 0;
    padding: 1.75rem 1.5rem 0;
    border-top: 1px solid var(--site-border);
}

.dblit-footer-logos-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1.25rem 2.25rem;
    margin-bottom: 1.5rem;
}

.dblit-footer-logos-line:last-child {
    margin-bottom: 0;
}

.dblit-footer-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    flex: 0 0 auto;
    transition: opacity .2s ease, transform .2s ease;
    opacity: .7;
}

.dblit-footer-logo:hover,
.dblit-footer-logo:focus {
    opacity: 1;
    transform: translateY(-2px);
}

.dblit-footer-logo img {
    max-height: 50px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(.45);
    transition: filter .25s ease;
}

.dblit-footer-logo:hover img,
.dblit-footer-logo:focus img {
    filter: grayscale(0);
}

@media (max-width: 767.98px) {
    .dblit-footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .dblit-footer-logos-line {
        gap: 1rem 1.5rem;
    }
    .dblit-footer-logo {
        height: 40px;
    }
    .dblit-footer-logo img {
        max-height: 40px;
        max-width: 110px;
    }
}

@media (max-width: 575.98px) {
    .dblit-hero-text { padding: 1.75rem 1rem 1.25rem; }
    .dblit-hero-lead { font-size: 1rem; }
    .dblit-video-card {
        flex-direction: column;
        gap: 1.25rem;
        padding: 1.5rem;
    }
    .dblit-video-thumbs {
        width: 100%;
        max-width: 280px;
    }
    .dblit-video-info {
        text-align: center;
        align-items: center;
    }
    .dblit-bibcard { padding: 1.25rem 1rem; }
    .dblit-bibcard-row {
        grid-template-columns: 1fr;
        gap: .15rem;
    }
}