/* Portorium Blog - mesmo design system do site principal */

:root {
    --primary: #C41E3A;
    --primary-dark: #9B1830;
    --primary-light: #E8354F;
    --secondary: #3D3D3D;
    --secondary-light: #5A5A5A;
    --text: #1f2937;
    --text-muted: #6b7280;
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --border: #e5e7eb;
    --radius: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

.blog-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.blog-container-narrow { max-width: 760px; }

/* HEADER */
.blog-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.blog-header .blog-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.blog-logo { height: 40px; width: auto; }
.blog-nav { display: flex; gap: 24px; }
.blog-nav a {
    color: var(--secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}
.blog-nav a:hover,
.blog-nav a.active { color: var(--primary); border-color: var(--primary); }

/* HERO */
.blog-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0 64px;
    text-align: center;
}
.blog-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 12px;
}
.blog-subtitle {
    font-size: 1.125rem;
    opacity: 0.92;
    max-width: 600px;
    margin: 0 auto;
}

/* LISTING */
.blog-listing { padding: 64px 0; }
.blog-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 64px 0;
    font-size: 1.125rem;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.blog-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border);
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.blog-card-link { color: inherit; display: block; }
.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--bg-alt);
}
.blog-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
}

.blog-card-body { padding: 24px; }
.blog-category {
    display: inline-block;
    background: rgba(196, 30, 58, 0.08);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}
.blog-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.3;
}
.blog-card:hover .blog-card-title { color: var(--primary); }
.blog-card-excerpt {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-meta {
    display: flex;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* POST PAGE */
.blog-post { padding: 48px 0 64px; }
.blog-back {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}
.blog-back:hover { color: var(--primary); }
.blog-post-categories { margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.blog-post-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text);
}
.blog-post-meta {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 32px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.blog-post-meta strong { color: var(--text); }
.blog-post-image {
    margin: 0 -24px 32px;
    border-radius: var(--radius);
    overflow: hidden;
}
@media (min-width: 768px) {
    .blog-post-image { margin: 0 0 40px; }
}
.blog-post-image img { width: 100%; }

.blog-post-content { font-size: 1.0625rem; line-height: 1.75; color: var(--text); }
.blog-post-content > * + * { margin-top: 1.25em; }
.blog-post-content h2 {
    font-size: 1.75rem; font-weight: 700;
    margin-top: 2em; margin-bottom: 0.5em;
    color: var(--text);
}
.blog-post-content h3 {
    font-size: 1.375rem; font-weight: 700;
    margin-top: 1.75em; margin-bottom: 0.5em;
}
.blog-post-content p { margin-bottom: 1em; }
.blog-post-content a { color: var(--primary); text-decoration: underline; }
.blog-post-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    margin: 1.5em 0;
    color: var(--secondary);
    font-style: italic;
}
.blog-post-content ul, .blog-post-content ol { padding-left: 1.5em; }
.blog-post-content li { margin-bottom: 0.5em; }
.blog-post-content img {
    border-radius: var(--radius);
    margin: 1.5em 0;
}

.blog-post-tags {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.blog-tag {
    background: var(--bg-alt);
    color: var(--secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* RELATED */
.blog-related {
    background: var(--bg-alt);
    padding: 64px 0;
}
.blog-related h2 {
    font-size: 1.5rem;
    margin-bottom: 32px;
    color: var(--text);
}

/* PAGINATION */
.blog-pagination {
    display: flex;
    justify-content: center;
    margin-top: 48px;
}
.blog-pagination nav { display: flex; gap: 4px; }
.blog-pagination a, .blog-pagination span {
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.95rem;
}
.blog-pagination a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.blog-pagination .active span {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* FOOTER */
.blog-footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.8);
    padding: 32px 0;
    text-align: center;
    font-size: 0.9rem;
    margin-top: 64px;
}
.blog-footer .blog-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.blog-footer a { color: white; }

/* MOBILE */
@media (max-width: 640px) {
    .blog-nav { gap: 16px; }
    .blog-nav a { font-size: 0.875rem; }
    .blog-hero { padding: 48px 0; }
    .blog-listing { padding: 40px 0; }
    .blog-grid { grid-template-columns: 1fr; gap: 24px; }
    .blog-footer .blog-container { flex-direction: column; }
}