:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-card:#111827b3;--bg-card-hover:#111827e6;--border-color:#ffffff0f;--border-hover:#06d6a04d;--text-primary:#f0f4f8;--text-secondary:#94a3b8;--text-tertiary:#64748b;--accent-primary:#06d6a0;--accent-secondary:#118ab2;--accent-gradient:linear-gradient(135deg, #06d6a0, #118ab2);--accent-gradient-hover:linear-gradient(135deg, #05c490, #0f7da3);--danger:#ef4444;--warning:#f59e0b;--success:#06d6a0;--grade-0:#06d6a0;--grade-1:#ffd166;--grade-2:#f59e0b;--grade-3:#ef6c00;--grade-4:#ef4444;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 40px #06d6a026;--transition:.3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;overflow-x:hidden}.bg-gradient{pointer-events:none;z-index:0;background:radial-gradient(80% 50% at 20% 40%,#06d6a00f,#0000),radial-gradient(60% 40% at 80% 20%,#118ab20f,#0000),radial-gradient(50% 30% at 50% 80%,#06d6a008,#0000);width:100%;height:100%;position:fixed;top:0;left:0}.bg-grid{pointer-events:none;z-index:0;background-image:linear-gradient(#ffffff05 1px,#0000 1px),linear-gradient(90deg,#ffffff05 1px,#0000 1px);background-size:60px 60px;width:100%;height:100%;position:fixed;top:0;left:0}.navbar{z-index:1000;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);transition:var(--transition);background:#0a0e17cc;padding:16px 0;position:fixed;top:0;left:0;right:0}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 32px;display:flex}.nav-logo{align-items:center;gap:10px;font-size:1.4rem;font-weight:800;text-decoration:none;display:flex}.logo-icon{font-size:1.6rem}.logo-text{color:var(--text-primary)}.accent{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.nav-links{gap:32px;display:flex}.nav-links a{color:var(--text-secondary);transition:var(--transition);font-size:.9rem;font-weight:500;text-decoration:none;position:relative}.nav-links a:hover{color:var(--accent-primary)}.nav-links a:after{content:"";background:var(--accent-gradient);width:0;height:2px;transition:var(--transition);border-radius:1px;position:absolute;bottom:-4px;left:0}.nav-links a:hover:after{width:100%}.hero{z-index:1;justify-content:center;align-items:center;gap:60px;max-width:1200px;min-height:100vh;margin:0 auto;padding:120px 32px 80px;display:flex;position:relative}.hero-content{flex:1;max-width:620px}.hero-badge{color:var(--accent-primary);letter-spacing:.5px;text-transform:uppercase;background:#06d6a01a;border:1px solid #06d6a033;border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 16px;font-size:.8rem;font-weight:600;display:inline-flex}.badge-dot{background:var(--accent-primary);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.hero-title{letter-spacing:-.02em;margin-bottom:20px;font-size:3.2rem;font-weight:900;line-height:1.1}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;display:block}.hero-subtitle{color:var(--text-secondary);max-width:520px;margin-bottom:36px;font-size:1.1rem;line-height:1.7}.hero-stats{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);align-items:center;gap:24px;margin-bottom:40px;padding:20px 28px;display:flex}.stat{flex-direction:column;gap:2px;display:flex}.stat-value{color:var(--accent-primary);font-size:1.3rem;font-weight:800}.stat-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem;font-weight:500}.stat-divider{background:var(--border-color);width:1px;height:36px}.hero-cta{background:var(--accent-gradient);color:#0a0e17;cursor:pointer;transition:var(--transition);border:none;border-radius:100px;align-items:center;gap:10px;padding:14px 32px;font-family:inherit;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 4px 20px #06d6a04d}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 6px 30px #06d6a066}.hero-visual{flex-shrink:0;justify-content:center;align-items:center;width:320px;height:320px;display:flex;position:relative}.orbit-ring{border:1px solid #06d6a01a;border-radius:50%;animation:20s linear infinite orbit-spin;position:absolute}.ring-1{width:200px;height:200px;animation-duration:15s}.ring-2{width:260px;height:260px;animation-duration:20s;animation-direction:reverse}.ring-3{width:320px;height:320px;animation-duration:25s}@keyframes orbit-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.eye-icon{opacity:.7;animation:6s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.section-container{max-width:1200px;margin:0 auto;padding:0 32px}.section-header{text-align:center;margin-bottom:48px}.section-title{letter-spacing:-.01em;margin-bottom:12px;font-size:2.2rem;font-weight:800}.section-subtitle{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:1.05rem}.upload-section{z-index:1;padding:100px 0;position:relative}.upload-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);max-width:680px;transition:var(--transition);margin:0 auto;overflow:hidden}.upload-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow)}.upload-area{text-align:center;cursor:pointer;transition:var(--transition);border-radius:var(--radius-lg);border:2px dashed #0000;margin:16px;padding:64px 40px}.upload-area:hover,.upload-area.dragover{background:#06d6a00a;border-color:#06d6a04d}.upload-icon{color:var(--accent-primary);opacity:.8;margin-bottom:20px}.upload-title{margin-bottom:8px;font-size:1.3rem;font-weight:700}.upload-hint{color:var(--text-tertiary);font-size:.9rem}.preview-area{padding:24px}.preview-image-container{border-radius:var(--radius-md);background:#000;margin-bottom:16px;position:relative;overflow:hidden}.preview-image-container img{-o-object-fit:contain;object-fit:contain;width:100%;max-height:400px;display:block}.remove-btn{color:#fff;cursor:pointer;width:36px;height:36px;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000000b3;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;display:flex;position:absolute;top:12px;right:12px}.remove-btn:hover{background:var(--danger);border-color:var(--danger)}.preview-info{color:var(--text-tertiary);justify-content:space-between;margin-bottom:20px;padding:0 4px;font-size:.85rem;display:flex}.analyze-btn{background:var(--accent-gradient);color:#0a0e17;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:10px;padding:16px;font-family:inherit;font-size:1.05rem;font-weight:700;display:flex;box-shadow:0 4px 20px #06d6a033}.analyze-btn:hover{transform:translateY(-1px);box-shadow:0 6px 28px #06d6a059}.analyze-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.loading-section{z-index:1;padding:100px 0;position:relative}.loading-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);max-width:500px;margin:0 auto;padding:48px}.loading-spinner{width:80px;height:80px;margin:0 auto 28px;position:relative}.spinner-ring{border:3px solid #0000;border-radius:50%;width:100%;height:100%;position:absolute;top:0;left:0}.spinner-ring:first-child{border-top-color:var(--accent-primary);animation:1.2s ease-in-out infinite spin}.spinner-ring:nth-child(2){border-right-color:var(--accent-secondary);width:60px;height:60px;animation:1.5s ease-in-out infinite reverse spin;top:10px;left:10px}.spinner-ring:nth-child(3){border-bottom-color:var(--accent-primary);width:40px;height:40px;animation:1s ease-in-out infinite spin;top:20px;left:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-title{margin-bottom:28px;font-size:1.3rem;font-weight:700}.loading-steps{text-align:left;flex-direction:column;gap:12px;display:flex}.loading-step{border-radius:var(--radius-sm);color:var(--text-tertiary);transition:var(--transition);align-items:center;gap:12px;padding:10px 16px;font-size:.9rem;display:flex}.loading-step.active{color:var(--accent-primary);background:#06d6a014}.loading-step.done{color:var(--text-secondary)}.loading-step.done .step-icon:after{content:" ✓"}.results-section{z-index:1;padding:100px 0;position:relative}.results-grid{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px;display:grid}.result-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:var(--transition);overflow:hidden}.result-card:hover{border-color:var(--border-hover)}.card-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.card-header h3{letter-spacing:-.01em;font-size:1rem;font-weight:700}.grade-badge{text-transform:uppercase;letter-spacing:.5px;color:var(--accent-primary);background:#06d6a026;border-radius:100px;padding:4px 14px;font-size:.75rem;font-weight:700}.grade-display{align-items:center;gap:24px;padding:28px 24px;display:flex}.grade-circle{background:var(--accent-gradient);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:80px;height:80px;display:flex;box-shadow:0 4px 20px #06d6a04d}.grade-number{color:#0a0e17;font-size:2rem;font-weight:900}.grade-info h4{margin-bottom:6px;font-size:1.2rem;font-weight:700}.grade-info p{color:var(--text-secondary);font-size:.85rem;line-height:1.5}.confidence-section{border-top:1px solid var(--border-color);padding:20px 24px 24px}.confidence-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);margin-bottom:16px;font-size:.8rem;font-weight:600}.confidence-bar-item{margin-bottom:12px}.confidence-bar-header{justify-content:space-between;margin-bottom:6px;font-size:.8rem;display:flex}.confidence-bar-label{color:var(--text-secondary);font-weight:500}.confidence-bar-value{color:var(--text-tertiary);font-variant-numeric:tabular-nums;font-weight:600}.confidence-bar-track{background:#ffffff0f;border-radius:3px;height:6px;overflow:hidden}.confidence-bar-fill{border-radius:3px;width:0;height:100%;transition:width 1s cubic-bezier(.4,0,.2,1)}.grade-0 .grade-circle{background:linear-gradient(135deg,#06d6a0,#05b489)}.grade-0 .grade-badge{color:#06d6a0;background:#06d6a026}.grade-1 .grade-circle{background:linear-gradient(135deg,#ffd166,#e6b84d)}.grade-1 .grade-badge{color:#ffd166;background:#ffd16626}.grade-2 .grade-circle{background:linear-gradient(135deg,#f59e0b,#d97706)}.grade-2 .grade-badge{color:#f59e0b;background:#f59e0b26}.grade-3 .grade-circle{background:linear-gradient(135deg,#ef6c00,#d35400)}.grade-3 .grade-badge{color:#ef6c00;background:#ef6c0026}.grade-4 .grade-circle{background:linear-gradient(135deg,#ef4444,#dc2626)}.grade-4 .grade-badge{color:#ef4444;background:#ef444426}.view-toggle{border-radius:var(--radius-sm);background:#ffffff0d;gap:4px;padding:3px;display:flex}.toggle-btn{color:var(--text-tertiary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:6px;padding:6px 14px;font-family:inherit;font-size:.8rem;font-weight:600}.toggle-btn.active{color:var(--accent-primary);background:#06d6a026}.segmentation-display{padding:24px}.seg-image-container{border-radius:var(--radius-md);background:#000;justify-content:center;align-items:center;min-height:200px;margin-bottom:16px;display:flex;overflow:hidden}.seg-image-container img{-o-object-fit:contain;object-fit:contain;width:100%;max-height:420px;display:block}.legend{flex-wrap:wrap;gap:20px;display:flex}.legend-item{color:var(--text-secondary);align-items:center;gap:8px;font-size:.8rem;display:flex}.legend-color{border:1px solid #ffffff1a;border-radius:3px;width:14px;height:14px}.stats-card{margin-bottom:40px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:0;display:grid}.stat-item{text-align:center;border-right:1px solid var(--border-color);transition:var(--transition);padding:24px}.stat-item:last-child{border-right:none}.stat-item:hover{background:#ffffff05}.stat-item-icon{border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;margin:0 auto 12px;font-size:1.2rem;display:flex}.stat-item-icon.he{background:#ff00001f}.stat-item-icon.ex{background:#00ff001f}.stat-item-icon.se{background:#0000ff1f}.stat-item-name{color:var(--text-secondary);margin-bottom:4px;font-size:.8rem;font-weight:600}.stat-item-value{color:var(--text-primary);margin-bottom:2px;font-size:1.4rem;font-weight:800}.stat-item-label{color:var(--text-tertiary);font-size:.75rem}.stat-detected{text-transform:uppercase;letter-spacing:.3px;border-radius:100px;align-items:center;gap:4px;margin-top:8px;padding:3px 10px;font-size:.7rem;font-weight:600;display:inline-flex}.stat-detected.yes{color:#ef4444;background:#ef44441f}.stat-detected.no{color:#06d6a0;background:#06d6a01f}.new-analysis{text-align:center}.about-section{z-index:1;padding:100px 0;position:relative}.about-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.about-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);transition:var(--transition);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:32px}.about-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow);transform:translateY(-4px)}.about-icon{margin-bottom:16px;font-size:2rem}.about-card h3{margin-bottom:10px;font-size:1.1rem;font-weight:700}.about-card p{color:var(--text-secondary);margin-bottom:16px;font-size:.9rem;line-height:1.6}.tech-tags{flex-wrap:wrap;gap:8px;display:flex}.tech-tag{color:var(--accent-primary);background:#06d6a014;border:1px solid #06d6a026;border-radius:100px;padding:4px 12px;font-size:.72rem;font-weight:600}.grades-section{z-index:1;padding:100px 0;position:relative}.grades-timeline{max-width:700px;margin:0 auto;padding-left:48px;position:relative}.grades-timeline:before{content:"";background:linear-gradient(to bottom, var(--grade-0), var(--grade-1), var(--grade-2), var(--grade-3), var(--grade-4));border-radius:1px;width:2px;position:absolute;top:0;bottom:0;left:20px}.grade-item{align-items:flex-start;gap:20px;padding:20px 0;display:flex;position:relative}.grade-marker{color:#0a0e17;z-index:1;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:800;display:flex;position:absolute;left:-36px}.grade-item[data-grade="0"] .grade-marker{background:var(--grade-0)}.grade-item[data-grade="1"] .grade-marker{background:var(--grade-1)}.grade-item[data-grade="2"] .grade-marker{background:var(--grade-2)}.grade-item[data-grade="3"] .grade-marker{background:var(--grade-3)}.grade-item[data-grade="4"] .grade-marker{background:var(--grade-4)}.grade-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition);flex:1;padding:18px 22px}.grade-content:hover{border-color:var(--border-hover)}.grade-content h4{margin-bottom:4px;font-size:1rem;font-weight:700}.grade-content p{color:var(--text-secondary);font-size:.85rem;line-height:1.5}.footer{border-top:1px solid var(--border-color);z-index:1;padding:48px 0;position:relative}.footer-content{text-align:center}.footer-logo{align-items:center;gap:10px;margin-bottom:16px;font-size:1.2rem;font-weight:800;display:inline-flex}.footer-note{color:var(--text-secondary);max-width:520px;margin:0 auto 12px;font-size:.85rem;line-height:1.5}.footer-copyright{color:var(--text-tertiary);font-size:.75rem}.error-card{border-radius:var(--radius-xl);text-align:center;background:#ef44440f;border:1px solid #ef444433;max-width:500px;margin:40px auto;padding:32px}.error-card h3{color:var(--danger);margin-bottom:8px}.error-card p{color:var(--text-secondary);font-size:.9rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.6s ease-out forwards fadeInUp}.animate-delay-1{animation-delay:.1s}.animate-delay-2{animation-delay:.2s}.animate-delay-3{animation-delay:.3s}@media (width<=992px){.hero{text-align:center;flex-direction:column;gap:40px;padding-top:100px}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-stats{justify-content:center}.hero-visual{width:220px;height:220px}.ring-1{width:140px;height:140px}.ring-2{width:180px;height:180px}.ring-3{width:220px;height:220px}.eye-icon svg{width:80px;height:80px}.results-grid,.about-grid,.stats-grid{grid-template-columns:1fr}.stat-item{border-right:none;border-bottom:1px solid var(--border-color)}.stat-item:last-child{border-bottom:none}}@media (width<=600px){.hero-title{font-size:2.2rem}.section-title{font-size:1.7rem}.hero-stats{flex-direction:column;gap:12px}.stat-divider{width:40px;height:1px}.nav-links{display:none}.upload-area{padding:40px 20px}.legend{flex-direction:column;gap:8px}}