/* =============================================
   PÁGINA DE ARTIGO (ARTICLE PAGE)
   ============================================= */

/* Progress bar */
.article-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--color-accent);
    z-index: 100;
    transition: width 0.1s linear;
}

/* Layout principal do artigo */
.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 820px;
    margin: 0 auto;
    padding: 32px 16px 48px;
}

.article-main {
    min-width: 0;
}

/* Cabeçalho do artigo */
.article-header {
    margin-bottom: 32px;
}

.article-header__tag {
    display: inline-block;
    margin-bottom: 12px;
    padding: 3px 10px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.article-header__title {
    margin-bottom: 16px;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
}

.article-header__subtitle {
    margin-bottom: 20px;
    font-family: var(--font-body);
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.article-meta__author {
    font-weight: 600;
    color: var(--color-text);
}

.article-meta__reading-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Hero image */
.article-hero {
    margin-bottom: 32px;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg-alt);
}

.article-hero img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.article-hero__caption {
    padding: 8px 16px;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
}

/* Destaques do artigo (pontos-chave) */
.article-highlights {
    margin: -4px 0 26px;
    padding: 16px 18px;
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    background: color-mix(in srgb, var(--color-bg-alt) 85%, transparent);
}

.article-highlights h2 {
    margin-bottom: 10px;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.article-highlights ul {
    display: grid;
    gap: 7px;
}

.article-highlights li {
    position: relative;
    padding-left: 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
}

.article-highlights li::before {
    content: "";
    position: absolute;
    top: 0.65em;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* Corpo do texto – responsivo */
.article-body {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    line-height: 1.75;
    color: var(--color-text);
}

.article-body p {
    margin-bottom: 24px;
}

.article-body h2 {
    margin: 40px 0 16px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

.article-body h3 {
    margin: 32px 0 12px;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
}

.article-body blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    border-left: 4px solid var(--color-accent);
    background: var(--color-bg-alt);
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--color-text);
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body blockquote em {
    display: block;
    margin-top: 12px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-style: normal;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Imagem interna */
.article-inline-img {
    margin: 32px 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg-alt);
}

.article-inline-img img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.article-inline-img__caption {
    padding: 8px 16px;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Author box */
.article-author-box {
    display: flex;
    gap: 16px;
    margin-top: 48px;
    padding: 24px;
    border-top: 2px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article-author-box__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    font-family: var(--font-ui);
    font-weight: 700;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.article-author-box__info {
    font-family: var(--font-ui);
}

.article-author-box__name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.article-author-box__bio {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Leia também */
.related-articles {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--color-border);
}

.article-continuity {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.article-continuity__link {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: border-color 0.2s ease, transform 0.15s ease;
}

.article-continuity__link:hover {
    border-color: color-mix(in srgb, var(--color-accent) 50%, var(--color-border));
    transform: translateY(-1px);
}

.article-continuity__link span {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.article-continuity__link strong {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.3;
    color: var(--color-text);
}

.related-articles__title {
    margin-bottom: 20px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
}

.related-articles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* =============================================
   RESPONSIVO – ARTIGO
   ============================================= */

/* Em telas pequenas, reduz o line-height para leitura mais confortável */
@media (max-width: 640px) {
    .article-body {
        font-size: 1rem;
        line-height: 1.6;
    }

    .article-body blockquote {
        padding: 16px 20px;
        font-size: 1.1rem;
    }

    .article-header__title {
        font-size: 1.5rem;
    }

    .article-header__subtitle {
        font-size: 1rem;
    }

    .related-articles__grid {
        grid-template-columns: 1fr;
    }
}