/* UltraFit360 Blog — Shared Styles */
/* Used by blog/index.html and all blog post pages */

:root {
    --color-primary: #F2802F;
    --color-primary-light: #FF9A52;
    --color-secondary: #1A1A2E;
    --color-light-orange: #FFF5EE;
    --color-accent: #FF6B35;
    --color-text: #4b5563;
    --color-heading: #1a1a2e;
    --color-border: #e5e7eb;
    --color-bg: #f9fafb;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    padding: 20px;
}

/* Container */
.container {
    max-width: 780px;
    margin: 40px auto;
    background: white;
    padding: 44px 48px;
    border-radius: 20px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
}

/* Navigation */
.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.back-link:hover { color: var(--color-accent); }

/* Breadcrumbs */
.breadcrumbs {
    font-size: 0.82rem;
    color: #9ca3af;
    margin-bottom: 20px;
}
.breadcrumbs a { color: var(--color-primary); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs span { margin: 0 6px; }

/* Typography */
h1 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 12px;
    font-weight: 700;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: #9ca3af;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.article-meta .tag {
    background: var(--color-light-orange);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

h2 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    font-size: 1.45rem;
    margin: 36px 0 14px;
    font-weight: 600;
    line-height: 1.35;
}

h3 {
    font-family: var(--font-heading);
    color: #374151;
    font-size: 1.15rem;
    margin: 28px 0 10px;
    font-weight: 600;
}

p { margin-bottom: 16px; }

/* Lists */
ul, ol {
    margin: 0 0 18px 22px;
}
li { margin-bottom: 8px; }

/* Links */
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Highlight box */
.highlight {
    background: var(--color-light-orange);
    padding: 20px 24px;
    border-radius: 12px;
    margin: 24px 0;
    border-left: 4px solid var(--color-primary);
    font-size: 0.95rem;
}
.highlight strong { color: var(--color-heading); }

/* Info box */
.info-box {
    background: #eff6ff;
    padding: 20px 24px;
    border-radius: 12px;
    margin: 24px 0;
    border-left: 4px solid #3b82f6;
    font-size: 0.95rem;
}

/* Comparison table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.88rem;
}
.comparison-table th {
    background: var(--color-secondary);
    color: white;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}
.comparison-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}
.comparison-table tr:hover td { background: #fafafa; }
.check { color: #059669; font-weight: 600; }
.cross { color: #ef4444; }

/* Author box */
.author-box {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #f8f9fa;
    padding: 20px 24px;
    border-radius: 14px;
    margin: 36px 0;
    border: 1px solid var(--color-border);
}
.author-box .avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.author-box .author-info h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 2px;
}
.author-box .author-info p {
    font-size: 0.82rem;
    color: #6b7280;
    margin: 0;
}

/* Related articles */
.related-articles {
    margin: 36px 0 0;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}
.related-articles h3 {
    font-family: var(--font-heading);
    margin: 0 0 16px;
}
.related-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.related-card {
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: border-color 0.2s, transform 0.2s;
    text-decoration: none;
    display: block;
}
.related-card:hover { border-color: var(--color-primary); transform: translateY(-2px); text-decoration: none; }
.related-card h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 4px;
    line-height: 1.4;
}
.related-card p { font-size: 0.78rem; color: #6b7280; margin: 0; }

/* CTA */
.cta-box {
    background: linear-gradient(135deg, var(--color-light-orange), #fff);
    padding: 30px;
    border-radius: 16px;
    margin-top: 36px;
    text-align: center;
    border: 1px solid rgba(242,128,47,0.15);
}
.cta-box h2 { margin: 0 0 10px; font-size: 1.3rem; }
.cta-box p { color: var(--color-text); margin-bottom: 18px; }
.cta-links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    transition: background 0.2s, transform 0.2s;
}
.cta-links a:hover { background: var(--color-accent); transform: translateY(-1px); text-decoration: none; }

/* Blog index grid */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 28px;
}
.blog-card {
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(242,128,47,0.1);
    text-decoration: none;
}
.blog-card .card-tag {
    display: inline-block;
    background: var(--color-light-orange);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 12px;
    width: fit-content;
}
.blog-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 0 0 8px;
    line-height: 1.4;
}
.blog-card p {
    font-size: 0.85rem;
    color: #6b7280;
    margin: 0;
    flex: 1;
}
.blog-card .card-meta {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid #f3f4f6;
}

/* Responsive */
@media (max-width: 640px) {
    body { padding: 12px; }
    .container { padding: 24px 20px; margin: 16px auto; }
    h1 { font-size: 1.7rem; }
    h2 { font-size: 1.25rem; }
    .blog-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .article-meta { gap: 8px; }
    .author-box { flex-direction: column; text-align: center; }
}