/* Sexy Light Premium Layout */
body { font-family: 'Montserrat', sans-serif; margin: 0; padding: 0; background: #f8f9fb; color: #4B5563; -webkit-font-smoothing: antialiased; overflow-x: hidden; }

/* Animated Mesh Background */
.vt-bg-mesh { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; background: radial-gradient(circle at 15% 50%, rgba(24, 119, 242,0.08), transparent 40%), radial-gradient(circle at 85% 30%, rgba(15,23,42,0.06), transparent 40%); }

.lp-hero { padding: 120px 0 80px; position: relative; text-align: center; }
.lp-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.lp-breadcrumb { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; padding: 10px 24px; background: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.5); border-radius: 30px; margin-bottom: 32px; box-shadow: 0 8px 32px rgba(0,0,0,0.04); backdrop-filter: blur(12px); }
.lp-breadcrumb a { color: #1877F2; text-decoration: none; transition: color 0.3s; }
.lp-breadcrumb a:hover { color: #0B2545; }
.lp-breadcrumb span { color: #9CA3AF; }
.lp-hero h1 { font-size: clamp(44px, 6vw, 72px); font-weight: 800; color: #0B2545; margin: 0 0 16px; letter-spacing: -2px; line-height: 1.1; }
.lp-hero h1 span { background: linear-gradient(135deg, #1877F2, #3B82F6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.lp-hero-meta { font-size: 15px; color: #6B7280; font-weight: 600; }

.lp-body { max-width: 1200px; margin: 0 auto; padding: 0 24px 120px; display: grid; grid-template-columns: 300px 1fr; gap: 60px; align-items: start; }
@media (max-width: 992px) { .lp-body { grid-template-columns: 1fr; } }

/* Floating Glass TOC */
.lp-toc { background: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.8); border-radius: 24px; padding: 40px 32px; position: sticky; top: 40px; backdrop-filter: blur(20px); box-shadow: 0 20px 40px rgba(0,0,0,0.04), inset 0 0 0 1px rgba(255,255,255,1); }
.lp-toc h3 { font-size: 13px; font-weight: 800; color: #0B2545; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 24px; display: flex; align-items: center; gap: 12px; }
.lp-toc h3::before { content: ''; width: 24px; height: 2px; background: #1877F2; }
.lp-toc ul { list-style: none; padding: 0; margin: 0; }
.lp-toc li { margin-bottom: 16px; font-size: 14px; font-weight: 600; }
.lp-toc a { color: #6B7280; text-decoration: none; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); display: inline-block; }
.lp-toc a:hover { color: #1877F2; transform: translateX(8px); }

/* Premium Content Sections */
.lp-content { color: #4B5563; line-height: 1.8; font-size: 16px; }
.lp-section { background: rgba(255,255,255,0.8); backdrop-filter: blur(20px); border-radius: 24px; padding: 48px; margin-bottom: 32px; box-shadow: 0 10px 30px rgba(0,0,0,0.02); border: 1px solid rgba(255,255,255,0.6); transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s; }
.lp-section:hover { transform: translateY(-4px) scale(1.01); box-shadow: 0 30px 60px rgba(0,0,0,0.06); border-color: rgba(24, 119, 242,0.3); }
@media (max-width: 576px) { .lp-section { padding: 32px 24px; } }
.lp-section h2 { font-size: 26px; font-weight: 800; color: #0B2545; margin: 0 0 24px; letter-spacing: -0.5px; display: flex; align-items: center; gap: 16px; }
.lp-section h2::after { content: ''; flex-grow: 1; height: 1px; background: linear-gradient(90deg, #E5E7EB, transparent); }
.lp-section p { margin-bottom: 20px; }
.lp-section ul { margin-bottom: 20px; padding-left: 24px; }
.lp-section li { margin-bottom: 12px; }
.lp-section strong { color: #0B2545; font-weight: 700; }
.lp-section a { color: #1877F2; text-decoration: none; border-bottom: 2px solid rgba(24, 119, 242,0.2); transition: border-color 0.3s; font-weight: 600; }
.lp-section a:hover { border-color: #1877F2; }