/* ============================================
   INSIGHT ARTICLE — Sistema editoriale Montesino v2
   Redesign v72.36: typography elevata, spacing generoso,
   pull-quote/callout potenziati, related arricchite, CTA istituzionale
   ============================================ */

/* === Reading progress bar (top of page) === */
.read-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255,255,255,0.06);
    z-index: 1100;
    pointer-events: none;
}
.read-progress__bar {
    height: 100%;
    width: 0%;
    background: var(--color-accent);
    transition: width 80ms linear;
}

/* === Hero === */
.article-hero {
    position: relative;
    padding: calc(var(--header-height) + 6rem) 2.5rem 5rem;
    background: var(--color-bg);
    overflow: hidden;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 80% at 80% 20%, rgba(255,102,51,0.10) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.article-hero__container {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
}
.article-hero__breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 3rem;
    font-size: 0.82rem;
    color: var(--color-text-dim);
}
.article-hero__breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}
.article-hero__breadcrumb a:hover { color: var(--color-accent); }
.article-hero__breadcrumb-sep {
    opacity: 0.4;
    font-size: 0.72rem;
}
.article-hero__category {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 2rem 0;
}
.article-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5.5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.04;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin: 0 0 2rem 0;
    max-width: 1000px;
}
.article-hero__lead {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 1.8vw, 1.55rem);
    font-weight: 400;
    line-height: 1.45;
    color: rgba(255,255,255,0.78);
    margin: 0 0 4.5rem 0;
    max-width: 880px;
}
.article-hero__meta {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.10);
}
.article-hero__author {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}
.article-hero__author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-bg-3);
    flex-shrink: 0;
    filter: grayscale(1);
    transition: filter 0.3s ease;
}
.article-hero__author:hover .article-hero__author-avatar { filter: grayscale(0); }
.article-hero__author-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.article-hero__author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
}
.article-hero__author-role {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.2;
}
.article-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.article-hero__meta-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
}
.article-hero__meta-value {
    font-size: 0.98rem;
    color: var(--color-text);
    font-weight: 500;
}

/* === Body 2-col layout === */
.article-body {
    padding: 6rem 2.5rem 7rem;
    background: var(--color-bg);
}
.article-body__container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 6rem;
    align-items: start;
}

/* === TOC sticky === */
.article-toc {
    position: sticky;
    top: calc(var(--header-height) + 2.5rem);
    align-self: start;
}
.article-toc__label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 1.5rem 0;
}
.article-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-left: 1px solid rgba(255,255,255,0.10);
}
.article-toc__item {
    padding-left: 1.25rem;
    position: relative;
}
.article-toc__item::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: transparent;
    transition: background var(--transition);
}
.article-toc__link {
    display: block;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}
.article-toc__link:hover { color: var(--color-text); }
.article-toc__item--active::before { background: var(--color-accent); }
.article-toc__item--active .article-toc__link {
    color: var(--color-accent);
    font-weight: 500;
}

/* === Content prose === */
.article-content {
    max-width: 760px;
}
.article-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 2.8vw, 2.4rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin: 5rem 0 1.75rem 0;
    scroll-margin-top: calc(var(--header-height) + 2rem);
}
.article-content h2:first-child { margin-top: 0; }
.article-content h3 {
    font-family: var(--font-display);
    font-size: 1.32rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin: 2.5rem 0 1rem 0;
    letter-spacing: -0.01em;
}
.article-content p {
    font-size: 1.12rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin: 0 0 1.5rem 0;
}
.article-content p:last-child { margin-bottom: 0; }
.article-content strong {
    color: var(--color-text);
    font-weight: 600;
}
.article-content ul, .article-content ol {
    margin: 0 0 2rem 0;
    padding-left: 1.75rem;
}
.article-content li {
    font-size: 1.12rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin-bottom: 0.85rem;
}
.article-content li::marker {
    color: var(--color-accent);
    font-weight: 600;
}

/* Pull-quote — display unit, alta gerarchia visiva */
.article-pullquote {
    margin: 4rem 0;
    padding: 2.5rem 0 2.5rem 2.5rem;
    border-left: 4px solid var(--color-accent);
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 2.4vw, 2rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--color-text);
    position: relative;
}
.article-pullquote::before {
    content: '"';
    position: absolute;
    top: -1.2rem;
    left: 1.5rem;
    font-size: 5rem;
    line-height: 1;
    color: var(--color-accent);
    opacity: 0.25;
    font-family: var(--font-display);
    font-weight: 900;
    pointer-events: none;
}
.article-pullquote cite {
    display: block;
    margin-top: 1.5rem;
    font-family: var(--font-body);
    font-size: 0.84rem;
    font-weight: 500;
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

/* Callout box — più presente, accento decorativo */
.article-callout {
    margin: 3rem 0;
    padding: 2.25rem 2.5rem;
    background: rgba(255,102,51,0.06);
    border-left: 3px solid var(--color-accent);
    position: relative;
}
.article-callout__label {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 1rem 0;
}
.article-callout__label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--color-accent);
}
.article-callout__title {
    font-family: var(--font-display);
    font-size: 1.32rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin: 0 0 0.85rem 0;
}
.article-callout__body {
    font-size: 1.02rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.82);
    margin: 0;
}

/* === Author bio card (full) === */
.article-author-card {
    margin-top: 6rem;
    padding: 3rem;
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    align-items: start;
}
.article-author-card__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    filter: grayscale(1);
    transition: filter 0.3s ease;
    background: var(--color-bg-3);
}
.article-author-card:hover .article-author-card__avatar { filter: grayscale(0); }
.article-author-card__label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 0.85rem 0;
}
.article-author-card__name {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 0.4rem 0;
}
.article-author-card__role {
    font-size: 0.92rem;
    color: var(--color-accent);
    margin: 0 0 1.25rem 0;
    font-weight: 500;
}
.article-author-card__bio {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    margin: 0 0 1.5rem 0;
}
.article-author-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    transition: gap var(--transition);
}
.article-author-card__link:hover { gap: 0.85rem; }

/* === Related section — più ricche === */
.article-related {
    padding: 7rem 2.5rem;
    background: var(--color-bg);
}
.article-related__container {
    max-width: var(--max-width);
    margin: 0 auto;
}
.article-related__label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 1.5rem 0;
}
.article-related__headline {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 2.8vw, 2.4rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin: 0 0 4rem 0;
    max-width: 700px;
}
.article-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.article-related-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 2.5rem 2.25rem;
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all var(--transition);
    min-height: 280px;
}
.article-related-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}
.article-related-card__tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--color-accent);
}
.article-related-card__title {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--color-text);
    margin: 0;
}
.article-related-card__excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0;
}
.article-related-card__cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition), gap var(--transition);
}
.article-related-card:hover .article-related-card__cta {
    color: var(--color-accent);
    gap: 0.65rem;
}

/* === Bottom CTA — istituzionale, no pulsante "promo" === */
.article-cta {
    padding: 5rem 2.5rem 7rem;
    background: var(--color-bg);
    border-top: 1px solid rgba(255,255,255,0.06);
}
.article-cta__container {
    max-width: 980px;
    margin: 0 auto;
    text-align: center;
}
.article-cta__eyebrow {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-accent);
    margin: 0 0 1.5rem 0;
}
.article-cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 2.8vw, 2.4rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin: 0 0 1.5rem 0;
}
.article-cta__body {
    font-size: 1.08rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 auto 2.5rem auto;
    max-width: 640px;
}
.article-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.1rem 2rem;
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-size: 0.96rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: background var(--transition), color var(--transition), gap var(--transition);
}
.article-cta__btn:hover {
    background: var(--color-accent);
    color: #fff;
    gap: 0.85rem;
}

/* === Mobile (lavoro generale rimandato) === */
@media (max-width: 1024px) {
    .article-body__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .article-toc {
        position: static;
        padding-bottom: 2rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .article-related__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .article-hero { padding: calc(var(--header-height) + 2rem) 1.25rem 2rem; }
    .article-hero__meta { gap: 1.5rem; }
    .article-body { padding: 3rem 1.25rem 4rem; }
    .article-content h2 { margin-top: 3.5rem; }
    .article-author-card {
        grid-template-columns: 1fr;
        padding: 1.75rem;
        gap: 1.25rem;
    }
    .article-author-card__avatar { width: 80px; height: 80px; }
    .article-related { padding: 4rem 1.25rem; }
    .article-related__grid { grid-template-columns: 1fr; }
    .article-cta { padding: 3rem 1.25rem 5rem; }
    .article-pullquote { padding: 1.75rem 0 1.75rem 1.5rem; margin: 2.5rem 0; }
    .article-pullquote::before { display: none; }
    .article-callout { padding: 1.5rem; }
}