/**
 * SPIEGATO — Article Reading & Editorial Typography Stylesheet
 */

/* Reading Progress Bar */
.reading-progress-container {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 99;
}

.reading-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--color-accent);
    transition: width 0.1s ease-out;
}

/* Article Container */
.article-page-header {
    padding: 2.5rem 0 1.5rem;
    max-width: 860px;
    margin: 0 auto;
}

.article-category-wrap {
    margin-bottom: 0.75rem;
}

.article-h1 {
    font-family: var(--font-editorial);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--color-text-main);
    margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
    .article-h1 {
        font-size: 3.125rem;
    }
}

.article-lead {
    font-size: 1.25rem;
    line-height: 1.5;
    color: #374151;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

/* Author & Meta Byline */
.article-byline {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
}

.author-avatar-link {
    display: block;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg-muted);
}

.author-avatar-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.byline-info {
    display: flex;
    flex-direction: column;
}

.byline-name {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-text-main);
}

.byline-name:hover {
    color: var(--color-accent);
}

.byline-meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.6rem;
    align-items: center;
}

/* Hero Image (Discover 1200px+ Compliant) */
.article-hero-figure {
    margin: 0 auto 2.5rem;
    max-width: 1040px;
}

.article-hero-img-wrap {
    aspect-ratio: 16 / 9;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--color-bg-muted);
}

.article-hero-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-caption {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    text-align: right;
    font-style: italic;
}

/* Key Points Box ("IN BREVE") */
.key-points-box {
    background-color: #F8FAFC;
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1.75rem 2rem;
    margin: 0 auto 2.5rem;
    max-width: 800px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.key-points-title {
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-points-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.key-points-list li {
    font-size: 1.0625rem;
    line-height: 1.5;
    color: var(--color-text-main);
    position: relative;
    padding-left: 1.5rem;
    font-weight: 500;
}

.key-points-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 800;
}

/* Article Body Content */
.article-body-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #1F2937;
}

.article-body-content p {
    margin-bottom: 1.5rem;
}

.article-body-content h2 {
    font-family: var(--font-editorial);
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-main);
    margin-top: 2.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
}

.article-body-content h3 {
    font-family: var(--font-ui);
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-text-main);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.article-body-content ul, .article-body-content ol {
    margin-bottom: 1.75rem;
    padding-left: 1.75rem;
}

.article-body-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.article-body-content blockquote {
    border-left: 3px solid var(--color-text-main);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    font-family: var(--font-editorial);
    font-size: 1.375rem;
    line-height: 1.5;
    font-style: italic;
    color: var(--color-text-main);
    background: var(--color-bg-subtle);
}

.article-body-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body-content a:hover {
    color: var(--color-accent-hover);
}

.article-body-content strong {
    font-weight: 700;
    color: var(--color-text-main);
}

/* Callout Info Box */
.info-box {
    background-color: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin: 2rem 0;
}

.info-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.info-box p {
    font-size: 1rem;
    line-height: 1.6;
    color: #1E3A8A;
    margin-bottom: 0;
}

/* Responsive Editorial Table */
.article-body-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9375rem;
}

.article-body-content th {
    background-color: var(--color-text-main);
    color: #FFFFFF;
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 700;
}

.article-body-content td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-body);
}

.article-body-content tr:nth-child(even) td {
    background-color: var(--color-bg-subtle);
}

/* Box "SPIEGATO IN 20 SECONDI" (TL;DR) */
.tldr-box {
    background-color: #FFFBEB;
    border: 2px solid #F59E0B;
    border-radius: var(--radius-sm);
    padding: 2rem;
    margin: 3.5rem auto 2.5rem;
    max-width: 800px;
}

.tldr-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 800;
    color: #B45309;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}

.tldr-content {
    font-size: 1.0625rem;
    line-height: 1.65;
    color: #78350F;
    font-weight: 500;
}

/* Fonti & Documenti Ufficiali (E-E-A-T) */
.sources-section {
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.75rem 2rem;
    margin: 2.5rem auto;
    max-width: 800px;
}

.sources-title {
    font-size: 0.9375rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sources-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.source-item {
    font-size: 0.875rem;
    line-height: 1.4;
}

.source-name {
    font-weight: 700;
    color: var(--color-text-main);
}

.source-link {
    color: var(--color-accent);
    text-decoration: underline;
    margin-left: 0.25rem;
    word-break: break-all;
}

/* Author Box at End of Article */
.author-box-end {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 2rem;
    margin: 3rem auto;
    max-width: 800px;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.author-box-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg-muted);
}

.author-box-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-box-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 0.25rem;
}

.author-box-role {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.author-box-bio {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Related Articles ("POTREBBE INTERESSARTI") */
.related-section {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
}