:root{--primary-color: #2563eb;--primary-dark: #1d4ed8;--secondary-color: #64748b;--accent-color: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-dark: #0f172a;--border-color: #e5e7eb;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:var(--bg-primary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}.logo h1{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin-bottom:.25rem}.tagline{font-size:.875rem;color:var(--text-secondary);font-weight:500}.nav-links{display:flex;align-items:center;gap:2rem}.nav-links a{text-decoration:none;color:var(--text-secondary);font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--primary-color)}.nav-links .cta{padding:.5rem 1rem;border-radius:.375rem;font-weight:600;transition:all .2s}.nav-links .cta.primary{background:var(--primary-color);color:#fff}.nav-links .cta.primary:hover{background:var(--primary-dark);color:#fff}#landing-signin-btn{padding:.5rem 1rem;background:var(--primary-color);color:#fff;border:none;border-radius:.375rem;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;margin-left:1rem}#landing-signin-btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow)}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:.5rem;text-decoration:none;font-weight:600;text-align:center;transition:all .2s;border:none;cursor:pointer;font-size:1rem}.btn.primary{background:var(--primary-color);color:#fff}.btn.primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn.secondary{background:#fff;color:var(--primary-color);border:2px solid var(--primary-color)}.btn.secondary:hover{background:var(--primary-color);color:#fff}.btn.large{padding:1rem 2rem;font-size:1.125rem}#hero{background:linear-gradient(135deg,var(--bg-secondary) 0%,white 100%);padding:4rem 20px;display:flex;align-items:center;min-height:70vh;max-width:1200px;margin:0 auto}.hero-content{flex:1;padding-right:2rem}.hero-content h1{font-size:3rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:var(--text-primary)}.hero-content p{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.6}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.hero-visual{flex:1;display:flex;justify-content:center;align-items:center}.placeholder-visual{width:100%;max-width:500px;height:300px;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));border-radius:1rem;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;font-weight:600;box-shadow:var(--shadow-lg)}#features{padding:5rem 0;background:var(--bg-primary)}#features h2{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-primary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-top:3rem}.feature-card{background:#fff;padding:2rem;border-radius:.75rem;box-shadow:var(--shadow);border:1px solid var(--border-color);transition:all .3s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.feature-card p{color:var(--text-secondary);line-height:1.6}#gallery{padding:5rem 0;background:var(--bg-secondary)}#gallery h2{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-primary)}#gallery>.container>p{text-align:center;font-size:1.125rem;color:var(--text-secondary);margin-bottom:3rem}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;margin-bottom:3rem}.detail-card{background:#fff;border-radius:.75rem;overflow:hidden;box-shadow:var(--shadow);transition:all .3s}.detail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.detail-thumbnail{position:relative;overflow:hidden}.detail-card img{width:100%;height:200px;object-fit:cover;transition:transform .3s}.detail-card:hover img{transform:scale(1.05)}.image-badge{position:absolute;top:8px;right:8px;background:#fffffff2;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0000001a;font-size:12px}.image-badge span{filter:drop-shadow(0 1px 2px rgba(0,0,0,.1))}.detail-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}.detail-thumbnail:hover .detail-overlay{opacity:1}.detail-card-content{padding:1.5rem}.detail-card h3{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.detail-card p{color:var(--text-secondary);font-size:.875rem;margin-bottom:1rem}.view-btn{display:inline-block;padding:.5rem 1rem;background:var(--primary-color);color:#fff;text-decoration:none;border-radius:.375rem;font-weight:500;font-size:.875rem;transition:background .2s}.view-btn:hover{background:var(--primary-dark)}.gallery-actions{text-align:center}.loading{grid-column:1 / -1;text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.125rem}#cta{padding:5rem 20px;background:var(--primary-color);color:#fff;text-align:center}#cta .container{max-width:1200px;margin:0 auto;padding:0}#cta h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem}#cta p{font-size:1.25rem;margin-bottom:2rem;opacity:.9}.cta-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}footer{background:var(--bg-dark);color:#fff;padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{font-size:1.25rem;font-weight:700;margin-bottom:1rem;color:#fff}.footer-section h4{font-size:1rem;font-weight:600;margin-bottom:1rem;color:#fff}.footer-section p{color:#cbd5e1;line-height:1.6;margin-bottom:1rem}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:#cbd5e1;text-decoration:none;transition:color .2s}.footer-section ul li a:hover{color:var(--primary-color)}.footer-bottom{border-top:1px solid #334155;padding-top:1rem;text-align:center;color:#64748b}@media (max-width: 768px){nav{flex-direction:column;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center}#landing-signin-btn{margin-left:0;margin-top:.5rem}.hero-content h1{font-size:2rem}.hero-actions{flex-direction:column;align-items:center}#hero{flex-direction:column;text-align:center;padding:2rem 15px}.hero-content{padding-right:0;margin-bottom:2rem}.features-grid,.gallery-grid,.footer-content{grid-template-columns:1fr}.cta-actions{flex-direction:column;align-items:center}#cta{padding:3rem 15px}}@media (max-width: 480px){.container{padding:0 15px}.hero-content h1{font-size:1.75rem}#features h2,#gallery h2,#cta h2{font-size:2rem}.btn{width:100%;margin-bottom:1rem}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.btn:focus,.nav-links a:focus{outline:2px solid var(--primary-color);outline-offset:2px}@media print{header,footer,.btn,.nav-links{display:none}}