/* Shared blog styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1a1a1a; background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

:root {
    --orange: #FFA500; --orange-hover: #e69500; --orange-light: rgba(255,165,0,0.08);
    --black: #000; --dark: #0a0a0a; --dark-card: #141414;
    --gray-50: #fafafa; --gray-100: #f5f5f5; --gray-200: #e5e5e5;
    --gray-400: #a3a3a3; --gray-500: #737373; --gray-600: #525252;
    --gray-700: #404040; --gray-800: #262626; --white: #fff;
    --max-width: 1200px;
}

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(0,0,0,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.25rem; color: var(--white); letter-spacing: -0.02em; }
.nav-logo svg { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--gray-400); font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-links .btn-primary { color: #000; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--orange); color: var(--black); font-weight: 700; font-size: 0.9rem; padding: 12px 28px; border-radius: 8px; transition: all 0.2s; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--orange-hover); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(255,165,0,0.3); }

/* ARTICLE */
.article-hero { background: var(--dark); padding: 140px 0 60px; }
.article-hero .container { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.article-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.article-meta .tag { background: rgba(255,165,0,0.12); color: var(--orange); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; padding: 6px 14px; border-radius: 100px; }
.article-meta .date { font-size: 0.85rem; color: var(--gray-500); }
.article-meta .read-time { font-size: 0.85rem; color: var(--gray-500); }
.article-hero h1 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 800; color: var(--white); letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 20px; }
.article-hero .subtitle { font-size: 1.1rem; color: var(--gray-400); line-height: 1.7; }

/* VIDEO EMBED */
.video-embed { max-width: 800px; margin: -30px auto 0; padding: 0 24px; position: relative; z-index: 1; }
.video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; border-radius: 16px; overflow: hidden; box-shadow: 0 12px 48px rgba(0,0,0,0.3); }
.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* ARTICLE BODY */
.article-body { max-width: 800px; margin: 0 auto; padding: 48px 24px 80px; }
.article-body h2 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin: 48px 0 16px; line-height: 1.25; color: var(--black); }
.article-body h3 { font-size: 1.2rem; font-weight: 700; margin: 32px 0 12px; color: var(--gray-800); }
.article-body p { font-size: 1.05rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 20px; }
.article-body strong { color: var(--gray-800); }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { font-size: 1.05rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 8px; }
.article-body blockquote { border-left: 3px solid var(--orange); padding: 20px 24px; background: var(--gray-50); border-radius: 0 12px 12px 0; margin: 32px 0; }
.article-body blockquote p { font-size: 1.1rem; font-weight: 600; font-style: italic; color: var(--gray-700); margin-bottom: 0; }
.article-body .callout { background: var(--dark); color: var(--white); padding: 32px; border-radius: 16px; margin: 40px 0; }
.article-body .callout h3 { color: var(--orange); margin-top: 0; }
.article-body .callout p { color: var(--gray-400); }
.article-body .callout .btn-primary { margin-top: 16px; }
.article-body a { color: var(--orange); font-weight: 600; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.article-body a:hover { border-bottom-color: var(--orange); }

/* AUTHOR BOX */
.author-box { display: flex; gap: 20px; align-items: center; padding: 32px; background: var(--gray-50); border-radius: 16px; margin: 48px 0; }
.author-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--dark); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--orange); font-size: 1.5rem; font-weight: 800; }
.author-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.author-info p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.5; margin: 0; }

/* RELATED POSTS */
.related { padding: 80px 0; background: var(--gray-50); }
.related .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.related h2 { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 40px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--white); border-radius: 16px; overflow: hidden; border: 1px solid var(--gray-200); transition: all 0.3s; }
.related-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.related-card-body { padding: 20px; }
.related-card-body .tag { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--orange); margin-bottom: 8px; display: block; }
.related-card-body h3 { font-size: 1rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.related-card-body p { font-size: 0.8rem; color: var(--gray-500); line-height: 1.5; }

/* BLOG CTA */
.blog-cta { padding: 80px 0; background: var(--dark); text-align: center; }
.blog-cta .container { max-width: 600px; margin: 0 auto; padding: 0 24px; }
.blog-cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: var(--white); margin-bottom: 16px; }
.blog-cta p { font-size: 1rem; color: var(--gray-400); margin-bottom: 32px; line-height: 1.7; }

/* FOOTER */
footer { padding: 40px 0; background: var(--black); border-top: 1px solid rgba(255,255,255,0.06); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-left { display: flex; align-items: center; gap: 12px; }
.footer-left svg { width: 28px; height: 28px; }
.footer-left span { font-weight: 700; color: var(--white); font-size: 0.9rem; }
.footer-right { font-size: 0.8rem; color: var(--gray-500); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--gray-400); font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--orange); }

/* BLOG INDEX */
.blog-hero { background: var(--dark); padding: 140px 0 60px; text-align: center; }
.blog-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--white); letter-spacing: -0.03em; margin-bottom: 16px; }
.blog-hero p { font-size: 1.1rem; color: var(--gray-400); max-width: 600px; margin: 0 auto; }
.blog-grid-section { padding: 60px 0 80px; }
.blog-grid-section .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.blog-card { background: var(--white); border-radius: 16px; overflow: hidden; border: 1px solid var(--gray-200); transition: all 0.3s; display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.blog-card-thumb { aspect-ratio: 16/9; background: var(--dark); overflow: hidden; }
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.blog-card-body .tag { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--orange); margin-bottom: 12px; display: block; }
.blog-card-body h2 { font-size: 1.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 12px; letter-spacing: -0.01em; }
.blog-card-body p { font-size: 0.9rem; color: var(--gray-600); line-height: 1.6; flex: 1; }
.blog-card-body .read-more { display: inline-flex; align-items: center; gap: 6px; color: var(--orange); font-weight: 700; font-size: 0.85rem; margin-top: 16px; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .blog-grid, .related-grid { grid-template-columns: 1fr; }
    .author-box { flex-direction: column; text-align: center; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
    .footer-links { flex-direction: column; gap: 12px; }
}