.landing-page{--bg-primary:#0b1120;--bg-secondary:#0f172a;--bg-tertiary:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#2dd4bf;--accent-secondary:#14b8a6;--accent-glow:rgba(45,212,191,.25);--border-color:#334155;--success:#22c55e;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh}.landing-nav{position:fixed;top:0;left:0;right:0;background:rgba(11,17,32,.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:100;padding:.75rem 2rem}.landing-nav-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto}.landing-nav-brand{font-size:1.25rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.landing-nav-links{display:flex;gap:1.5rem;align-items:center}.nav-link{background:transparent;border:none;color:var(--text-secondary);font-size:.9375rem;font-weight:500;cursor:pointer;padding:.5rem 0;transition:color .2s ease;text-decoration:none}.nav-link:hover{color:var(--text-primary)}.btn-small{padding:.625rem 1.25rem;font-size:.875rem}.hero{position:relative;color:var(--text-primary);padding:8rem 2rem 4rem;text-align:center;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-primary)}.hero-video{position:absolute;top:50%;left:50%;min-width:100%;min-height:100%;width:auto;height:auto;transform:translate(-50%,-50%);z-index:0;object-fit:cover;opacity:.15}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--bg-primary);opacity:.85;z-index:1}.hero-content{position:relative;max-width:950px;margin:0 auto;z-index:2}.hero-title{font-family:Georgia,Times New Roman,serif;font-size:clamp(2.25rem,5vw,4rem);font-weight:400;margin:0 0 .75rem;letter-spacing:-.02em;animation:fadeInUp .8s ease-out}.hero-tagline{font-size:1.25rem;font-weight:300;margin:0 0 1.5rem;color:var(--accent-primary);animation:fadeInUp .8s ease-out .2s both}.hero-description{font-size:1.125rem;line-height:1.7;margin-bottom:2rem;color:var(--text-secondary);max-width:700px;margin-left:auto;margin-right:auto;animation:fadeInUp .8s ease-out .4s both}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;animation:fadeInUp .8s ease-out .6s both}.btn{padding:.875rem 1.75rem;font-size:1rem;font-weight:600;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block}.btn-primary{background:var(--accent-primary);color:var(--bg-primary);border:2px solid var(--accent-primary)}.btn-primary:hover{background:var(--accent-secondary);border-color:var(--accent-secondary);transform:translateY(-1px);box-shadow:0 4px 24px var(--accent-glow)}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--text-primary)}.btn-secondary:hover{background:var(--text-primary);color:var(--bg-primary)}.btn-large{padding:1rem 2rem;font-size:1.1rem}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section-title{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-primary);letter-spacing:-.02em}.features{padding:6rem 2rem;background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-top:3rem}.feature-card{background:var(--bg-tertiary);padding:2rem;border-radius:12px;border:1px solid var(--border-color);transition:all .3s ease;text-align:center}.feature-card:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}.feature-icon{font-size:2.5rem;margin-bottom:1.25rem}.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}.feature-card p{font-size:.9375rem;line-height:1.6;color:var(--text-secondary)}.use-cases{padding:6rem 2rem;background:var(--bg-primary)}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-top:3rem}.use-case-card{background:var(--bg-tertiary);color:var(--text-primary);padding:2.5rem 2rem;border-radius:12px;border:1px solid var(--border-color);transition:all .3s ease;text-align:center}.use-case-card:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.2)}.use-case-icon{font-size:3rem;margin-bottom:1.5rem}.use-case-card h3{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--accent-primary)}.use-case-card p{font-size:1rem;line-height:1.7;color:var(--text-secondary)}.cta{padding:6rem 2rem;background:var(--bg-secondary);border-top:1px solid var(--border-color);text-align:center}.cta-title{font-size:2.25rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.cta-description{font-size:1.125rem;margin-bottom:2rem;color:var(--text-secondary);max-width:600px;margin-left:auto;margin-right:auto}.footer{background:#0c1929;border-top:1px solid var(--border-color);color:var(--text-muted);padding:2.5rem 2rem;text-align:center}.footer-content{display:flex;flex-direction:column;gap:1.25rem;align-items:center}.footer-links{display:flex;gap:1.5rem}.footer-link{background:transparent;border:none;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:color .2s ease;padding:.25rem .5rem;text-decoration:none}.footer-link:hover{color:var(--accent-primary)}.footer p{margin:0;font-size:.8125rem;color:var(--text-muted)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.landing-nav{padding:.75rem 1rem}.hero{padding:7rem 1.5rem 3rem}.hero-title{font-size:1.875rem}.hero-description,.hero-tagline{font-size:1rem}.cta-title,.section-title{font-size:1.75rem}.features-grid,.use-cases-grid{grid-template-columns:1fr;gap:1rem}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px}}@media (max-width:480px){.hero{padding:6rem 1rem 2rem;min-height:auto}.hero-title{font-size:1.5rem}.cta,.features,.use-cases{padding:4rem 1rem}}@media (prefers-reduced-motion:reduce){.btn,.feature-card,.use-case-card{transition:none}.hero-buttons,.hero-description,.hero-tagline,.hero-title{animation:none}}