*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --red: #d11c1c; --dark: #1a1a1a; --gray: #666; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter Tight', sans-serif; background: #fff; color: #1a1a1a; font-size: 17px; line-height: 1.7; }
.blog-nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(8px); border-bottom: 1px solid #eee; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; height: 70px; }
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-brand img { height: 42px; }
.nav-brand span { font-size: 20px; color: #111; letter-spacing: -0.5px; }
.nav-back { display: flex; align-items: center; gap: 8px; color: #666; text-decoration: none; font-size: 14px; font-weight: 600; transition: color 0.3s; }
.nav-back:hover { color: var(--red); }
.nav-cta { background: var(--red); color: #fff; padding: 10px 22px; border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 13px; transition: background 0.3s; }
.nav-cta:hover { background: #b01515; }
.blog-hero { padding: 80px 20px 60px; background: #f9f9f9; border-bottom: 1px solid #eee; text-align: center; }
.blog-category { display: inline-block; color: var(--red); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.blog-hero h1 { font-size: clamp(32px,5vw,58px); font-weight: 900; letter-spacing: -1.5px; line-height: 1.1; max-width: 800px; margin: 0 auto 20px; }
.blog-hero .lead { font-size: 19px; color: #555; max-width: 640px; margin: 0 auto; line-height: 1.6; }
.blog-meta { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 30px; color: #999; font-size: 14px; }
.blog-meta span { display: flex; align-items: center; gap: 6px; }
.blog-body { max-width: 780px; margin: 0 auto; padding: 70px 20px; }
.blog-body h2 { font-size: 30px; font-weight: 800; color: #1a1a1a; margin: 50px 0 18px; letter-spacing: -0.5px; }
.blog-body h3 { font-size: 22px; font-weight: 700; color: #1a1a1a; margin: 35px 0 14px; }
.blog-body p { color: #444; margin-bottom: 22px; }
.blog-body ul, .blog-body ol { padding-left: 24px; margin-bottom: 22px; color: #444; }
.blog-body li { margin-bottom: 10px; }
.blog-body strong { color: #1a1a1a; font-weight: 700; }
.blog-callout { background: #f9f9f9; border-left: 4px solid var(--red); border-radius: 0 12px 12px 0; padding: 22px 26px; margin: 36px 0; }
.blog-callout p { margin: 0; color: #333; font-size: 16px; }
.blog-table { width: 100%; border-collapse: collapse; margin: 30px 0; }
.blog-table th { background: #1a1a1a; color: #fff; padding: 14px 18px; text-align: left; font-size: 14px; }
.blog-table td { padding: 13px 18px; border-bottom: 1px solid #eee; font-size: 15px; color: #444; }
.blog-table tr:nth-child(even) td { background: #f9f9f9; }
.blog-cta-box { background: #1a1a1a; border-radius: 20px; padding: 50px; text-align: center; margin: 60px 0 0; }
.blog-cta-box h3 { color: #fff; font-size: 28px; font-weight: 900; margin-bottom: 12px; }
.blog-cta-box p { color: #aaa; margin-bottom: 28px; font-size: 16px; }
.btn-red { display: inline-block; background: var(--red); color: #fff; padding: 16px 36px; border-radius: 50px; text-decoration: none; font-weight: 800; font-size: 15px; transition: all 0.3s; }
.btn-red:hover { background: #b01515; transform: translateY(-2px); }
.blog-footer { background: #f9f9f9; border-top: 1px solid #eee; padding: 40px 20px; text-align: center; }
.blog-footer p { color: #999; font-size: 13px; margin-bottom: 8px; }
.blog-footer a { color: var(--red); text-decoration: none; }
@media(max-width:768px) { .blog-nav { padding: 0 20px; } .nav-back span { display: none; } }