/* ============================================
   INFRAESTRUTURA OPERACIONAL - BLOG CSS
   Extracted from blog-post.html
============================================ */

/* ============================================
   BLOG VARIABLES
============================================ */
:root {
    --font-serif: 'Newsreader', Georgia, serif;
}

/* ============================================
   READING PROGRESS BAR
============================================ */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--cinza-200);
    z-index: 1001;
}

.reading-progress-bar {
    height: 100%;
    background: var(--gradient-gold);
    width: 0;
    transition: width 0.1s linear;
}

/* ============================================
   ARTICLE HERO
============================================ */
.article-hero {
    background: var(--cinza-50);
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--amarelo-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.5;
}

.article-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 13px;
    color: var(--cinza-400);
    margin-bottom: 24px;
}

.article-breadcrumb a {
    color: var(--cinza-500);
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-breadcrumb a:hover {
    color: var(--amarelo-500);
}

.article-breadcrumb svg {
    width: 16px;
    height: 16px;
}

.article-category {
    display: inline-block;
    padding: 8px 16px;
    background: var(--azul-100);
    color: var(--azul-500);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 100px;
    margin-bottom: 24px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-category:hover {
    background: var(--gradient-gold);
    color: var(--branco);
}

.article-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    color: var(--azul-900);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.article-excerpt {
    font-size: 20px;
    color: var(--cinza-500);
    line-height: 1.7;
    margin-bottom: 40px;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.article-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--branco);
}

.article-author-info {
    text-align: left;
}

.article-author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--azul-900);
}

.article-author-role {
    font-size: 13px;
    color: var(--cinza-400);
}

.article-date,
.article-reading-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--cinza-500);
}

.article-date svg,
.article-reading-time svg {
    width: 18px;
    height: 18px;
    stroke: var(--cinza-400);
}

/* ============================================
   ARTICLE BODY
============================================ */
.article-body {
    padding: 80px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.article-content {
    max-width: 720px;
}

/* Editorial Typography */
.article-content p {
    font-family: var(--font-serif);
    font-size: 19px;
    line-height: 1.85;
    color: var(--cinza-700);
    margin-bottom: 28px;
}

.article-content p:first-of-type::first-letter {
    float: left;
    font-size: 72px;
    font-weight: 700;
    line-height: 1;
    padding-right: 14px;
    color: var(--azul-900);
    font-family: var(--font-sans);
}

.article-content h2 {
    font-family: var(--font-sans);
    font-size: 32px;
    font-weight: 800;
    color: var(--azul-900);
    margin: 56px 0 24px;
    line-height: 1.25;
    letter-spacing: -0.02em;
    scroll-margin-top: 120px;
}

.article-content h3 {
    font-family: var(--font-sans);
    font-size: 24px;
    font-weight: 700;
    color: var(--azul-900);
    margin: 40px 0 20px;
    line-height: 1.3;
    scroll-margin-top: 120px;
}

.article-content blockquote {
    margin: 48px 0;
    padding: 32px 40px;
    background: var(--cinza-50);
    border-left: 4px solid var(--amarelo-500);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.article-content blockquote p {
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 600;
    font-style: italic;
    color: var(--azul-800);
    margin-bottom: 0;
    line-height: 1.6;
}

.article-content ul,
.article-content ol {
    margin: 28px 0;
    padding-left: 24px;
}

.article-content li {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.8;
    color: var(--cinza-700);
    margin-bottom: 12px;
}

.article-content a {
    color: var(--azul-500);
    text-decoration: underline;
    text-decoration-color: var(--amarelo-500);
    text-underline-offset: 3px;
    transition: var(--transition-fast);
}

.article-content a:hover {
    color: var(--amarelo-500);
}

.article-content strong {
    font-weight: 600;
    color: var(--azul-900);
}

.article-content img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 40px 0;
}

.article-content figure {
    margin: 40px 0;
}

.article-content figcaption {
    font-size: 14px;
    color: var(--cinza-400);
    text-align: center;
    margin-top: 12px;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, var(--azul-100) 0%, rgba(232, 241, 250, 0.5) 100%);
    border: 1px solid rgba(45, 90, 135, 0.1);
    border-radius: var(--border-radius);
    padding: 32px;
    margin: 40px 0;
}

.highlight-box-title {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 700;
    color: var(--azul-900);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.highlight-box-title svg {
    width: 24px;
    height: 24px;
    stroke: var(--amarelo-500);
}

.highlight-box ul {
    margin: 0;
    padding-left: 20px;
}

.highlight-box li {
    font-size: 16px;
    margin-bottom: 8px;
}

/* ============================================
   ARTICLE SIDEBAR
============================================ */
.article-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--branco);
    border: 1px solid var(--cinza-200);
    border-radius: var(--border-radius);
    padding: 28px;
    margin-bottom: 24px;
}

.sidebar-widget-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cinza-400);
    margin-bottom: 20px;
}

/* Table of Contents */
.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin-bottom: 8px;
}

.toc-link {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--cinza-600);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    line-height: 1.4;
}

.toc-link:hover {
    background: var(--cinza-50);
    color: var(--azul-900);
}

.toc-link.active {
    background: var(--azul-100);
    color: var(--azul-500);
}

.toc-number {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--cinza-400);
    flex-shrink: 0;
}

.toc-link.active .toc-number {
    color: var(--amarelo-500);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--cinza-50);
    border: 1px solid var(--cinza-200);
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--cinza-600);
    text-decoration: none;
    transition: var(--transition-fast);
}

.share-btn:hover {
    background: var(--cinza-100);
    color: var(--azul-900);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* Author Widget */
.author-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.author-widget-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--branco);
    margin-bottom: 16px;
}

.author-widget-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--azul-900);
    margin-bottom: 4px;
}

.author-widget-role {
    font-size: 14px;
    color: var(--cinza-400);
    margin-bottom: 16px;
}

.author-widget-bio {
    font-size: 14px;
    color: var(--cinza-500);
    line-height: 1.6;
}

/* ============================================
   ARTICLE FOOTER
============================================ */
.article-footer {
    padding: 40px 0;
    border-top: 1px solid var(--cinza-200);
    max-width: 720px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.article-tag {
    padding: 8px 16px;
    background: var(--cinza-100);
    color: var(--cinza-600);
    font-size: 13px;
    font-weight: 500;
    border-radius: 100px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-tag:hover {
    background: var(--azul-100);
    color: var(--azul-500);
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.article-nav-item {
    padding: 24px;
    background: var(--cinza-50);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition-base);
}

.article-nav-item:hover {
    background: var(--cinza-100);
}

.article-nav-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cinza-400);
    margin-bottom: 8px;
}

.article-nav-label svg {
    width: 16px;
    height: 16px;
}

.article-nav-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--azul-900);
    line-height: 1.4;
}

/* ============================================
   RELATED POSTS
============================================ */
.section-related {
    background: var(--cinza-50);
    padding: 100px 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.related-card {
    background: var(--branco);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    text-decoration: none;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.related-card-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-card-image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-card-image--placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}

.related-card-placeholder-mark {
    position: relative;
    z-index: 1;
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
}

.related-card-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--branco);
    color: var(--azul-500);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 100px;
}

.related-card-content {
    padding: 28px;
}

.related-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--azul-900);
    line-height: 1.4;
    margin-bottom: 12px;
}

.related-card:hover .related-card-title {
    color: var(--azul-500);
}

.related-card-excerpt {
    font-size: 14px;
    color: var(--cinza-500);
    line-height: 1.6;
    margin-bottom: 20px;
}

.related-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--cinza-400);
}

.related-card-meta svg {
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

/* ============================================
   BLOG ARCHIVE
============================================ */
.archive-header {
    background: var(--cinza-50);
    padding: 140px 0 60px;
    text-align: center;
}

.archive-header .section-header {
    margin-bottom: 0;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding: 64px 0 40px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 40px 0;
}

.page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--branco);
    border: 1px solid var(--cinza-200);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--cinza-600);
    text-decoration: none;
    transition: var(--transition-fast);
}

.page-numbers:hover {
    border-color: var(--azul-400);
    color: var(--azul-500);
}

.page-numbers.current {
    background: var(--gradient-gold);
    border-color: transparent;
    color: var(--branco);
    font-weight: 600;
}

/* ============================================
   BLOG RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-hero {
        padding: 120px 0 60px;
    }

    .article-title {
        font-size: clamp(28px, 6vw, 36px);
    }

    .article-excerpt {
        font-size: 17px;
    }

    .article-meta {
        flex-direction: column;
        gap: 20px;
    }

    .article-body {
        padding: 60px 0;
    }

    .article-content p {
        font-size: 17px;
    }

    .article-content h2 {
        font-size: 26px;
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .article-nav {
        grid-template-columns: 1fr;
    }

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