:root{--moss-green: #5a7247;--moss-light: #7a9465;--moss-dark: #3d5030;--sand: #e8dcc4;--sand-light: #f5efe3;--sand-dark: #d4c4a8;--stone: #8b8680;--stone-light: #a8a49e;--stone-dark: #6b6762;--lake-blue: #5b8a8a;--lake-light: #7ba9a9;--earth-brown: #8b7355;--bark: #5c4a3d;--cream: #faf8f5;--warm-white: #fffef9;--text-primary: #3d3a36;--text-secondary: #6b6560;--text-muted: #9a948d;--text-light: #faf8f5;--shadow-soft: 0 2px 8px rgba(93, 74, 61, .08);--shadow-medium: 0 4px 16px rgba(93, 74, 61, .1);--shadow-large: 0 8px 32px rgba(93, 74, 61, .12);--shadow-glow: 0 0 20px rgba(90, 114, 71, .15);--ease-natural: cubic-bezier(.4, 0, .2, 1);--duration-fast: .18s;--duration-normal: .22s;--duration-slow: .26s;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}*:focus-visible{outline:2px solid var(--moss-green);outline-offset:2px}.skip-link{position:absolute;top:-50px;left:0;background:var(--moss-green);color:var(--text-light);padding:.5rem 1rem;text-decoration:none;z-index:10000;border-radius:0 0 var(--radius-md) 0}.skip-link:focus{top:0}html{scroll-behavior:smooth}body{font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--text-primary);background:var(--cream);min-height:100vh;overflow-x:hidden}.texture-overlay{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:9999;opacity:.02;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");content-visibility:auto}.container{width:100%;max-width:1100px;margin:0 auto;padding:0 1.5rem}.header{padding:1.25rem 0;background:#faf8f5e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(139,134,128,.1)}.logo{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--moss-green);font-weight:700;font-size:1.25rem;transition:color var(--duration-normal) var(--ease-natural)}.logo:hover{color:var(--moss-dark)}.logo-icon{transition:transform var(--duration-normal) var(--ease-natural)}.logo:hover .logo-icon{transform:rotate(5deg)}.hero{padding:4rem 0 2rem;position:relative;background:linear-gradient(180deg,var(--cream) 0%,var(--sand-light) 100%)}.hero-content{max-width:640px;text-align:center;margin:0 auto;position:relative;z-index:2}.hero-badge{display:inline-block;padding:.4rem 1rem;background:var(--moss-green);color:var(--text-light);font-size:.8rem;font-weight:600;border-radius:var(--radius-xl);margin-bottom:1.5rem;letter-spacing:.02em}.hero h1{font-family:Playfair Display,Georgia,Times New Roman,serif;font-size:clamp(2.25rem,6vw,3.25rem);font-weight:700;color:var(--text-primary);line-height:1.2;margin-bottom:1.25rem}.hero h1 em{color:var(--moss-green);font-style:italic}.hero-text{font-size:1.1rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.8}.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}.tag{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;background:var(--warm-white);border:1px solid var(--sand-dark);border-radius:var(--radius-xl);font-size:.85rem;font-weight:500;color:var(--text-secondary)}.tag svg{color:var(--moss-green)}.hero-decoration{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.leaf{position:absolute;width:60px;height:60px;background:var(--moss-light);opacity:.08;border-radius:50% 0 50% 50%}.leaf-1{top:15%;left:8%;transform:rotate(-30deg)}.leaf-2{top:25%;right:10%;transform:rotate(45deg);width:40px;height:40px}.leaf-3{bottom:20%;left:15%;transform:rotate(15deg);width:50px;height:50px}.app-section{padding:0 0 4rem;margin-top:2rem;position:relative;z-index:10}.app-card{background:var(--warm-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-large);padding:2rem;max-width:720px;margin:0 auto;border:1px solid rgba(139,134,128,.08)}.upload-area{border:2px dashed var(--sand-dark);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all var(--duration-normal) var(--ease-natural);background:linear-gradient(135deg,var(--sand-light) 0%,var(--cream) 100%)}.upload-area:hover{border-color:var(--moss-light);background:linear-gradient(135deg,rgba(90,114,71,.05) 0%,var(--cream) 100%);box-shadow:var(--shadow-glow)}.upload-area.dragover{border-color:var(--moss-green);background:#5a724714;transform:scale(1.01)}.upload-area.hidden{display:none}.upload-icon{width:72px;height:72px;margin:0 auto 1.25rem;display:flex;align-items:center;justify-content:center;background:var(--moss-green);color:var(--text-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);flex-shrink:0}.upload-content h3{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:.4rem}.upload-content p{color:var(--text-muted);margin-bottom:1rem}.upload-formats{display:inline-block;padding:.3rem .8rem;background:var(--sand);border-radius:var(--radius-xl);font-size:.75rem;color:var(--text-secondary);font-weight:500}.grid-options{animation:fadeSlideIn var(--duration-slow) var(--ease-natural)}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.options-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.options-header h3{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.change-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;background:transparent;border:1px solid var(--sand-dark);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.85rem;font-family:inherit;cursor:pointer;transition:all var(--duration-fast) var(--ease-natural)}.change-btn:hover{border-color:var(--moss-light);color:var(--moss-green);background:#5a72470d}.grid-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:1.5rem}.grid-btn{display:flex;flex-direction:column;align-items:center;gap:.6rem;padding:1rem .75rem;background:var(--sand-light);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast) var(--ease-natural);font-family:inherit}.grid-btn:hover{background:var(--sand);transform:translateY(-2px);box-shadow:var(--shadow-soft)}.grid-btn:active{transform:translateY(0)}.grid-btn.active{border-color:var(--moss-green);background:#5a72471a}.grid-icon{width:36px;height:36px;display:grid;gap:2px;border-radius:var(--radius-sm)}.grid-icon.g2x2{grid-template:repeat(2,1fr) / repeat(2,1fr)}.grid-icon.g3x3{grid-template:repeat(3,1fr) / repeat(3,1fr)}.grid-icon.g4x4{grid-template:repeat(4,1fr) / repeat(4,1fr)}.grid-icon span{background:var(--moss-light);border-radius:2px;transition:background var(--duration-fast) var(--ease-natural)}.grid-btn.active .grid-icon span{background:var(--moss-green)}.grid-icon.custom{display:flex;align-items:center;justify-content:center;color:var(--stone)}.grid-btn.active .grid-icon.custom{color:var(--moss-green)}.grid-label{font-size:.8rem;font-weight:600;color:var(--text-secondary)}.grid-btn.active .grid-label{color:var(--moss-dark)}.custom-grid{display:flex;align-items:flex-end;justify-content:center;gap:1rem;margin-bottom:1.5rem;animation:fadeSlideIn var(--duration-normal) var(--ease-natural)}.custom-field{flex:0 0 100px}.custom-field label{display:block;font-size:.8rem;font-weight:500;color:var(--text-muted);margin-bottom:.4rem;text-align:center}.custom-field input{width:100%;padding:.6rem .75rem;border:2px solid var(--sand-dark);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;text-align:center;background:var(--warm-white);color:var(--text-primary);transition:all var(--duration-fast) var(--ease-natural)}.custom-field input:focus{outline:none;border-color:var(--moss-green);box-shadow:0 0 0 3px #5a72471a}.custom-divider{font-size:1.25rem;color:var(--text-muted);padding-bottom:.6rem}.preview-area{margin-bottom:1.5rem;text-align:center}.preview-frame{position:relative;display:inline-block;max-width:100%;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-medium);border:3px solid var(--sand)}#preview-canvas{display:block;max-width:100%;max-height:380px}.grid-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;contain:layout style paint}.grid-overlay .grid-cell{border-right:1px solid rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.85);box-shadow:1px 0 #3d3a3666,0 1px #3d3a3666;cursor:pointer;transition:background var(--duration-fast) var(--ease-natural)}.grid-overlay .grid-cell:hover{background:#5a724740}.grid-overlay .grid-cell:active{background:#5a724766}.preview-hint{text-align:center;font-size:.85rem;color:var(--text-muted);margin-top:.75rem}.split-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:1rem 2rem;background:var(--moss-green);border:none;border-radius:var(--radius-md);color:var(--text-light);font-size:1.05rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--duration-normal) var(--ease-natural);box-shadow:var(--shadow-soft)}.split-btn:hover{background:var(--moss-dark);transform:translateY(-2px);box-shadow:var(--shadow-medium)}.split-btn:active{transform:translateY(0)}.processing{display:none;text-align:center;padding:2rem;animation:fadeSlideIn var(--duration-normal) var(--ease-natural)}.processing.show{display:block}.processing-spinner{width:44px;height:44px;border:3px solid var(--sand);border-top-color:var(--moss-green);border-radius:50%;margin:0 auto 1rem;animation:spin 1s linear infinite;will-change:transform}@keyframes spin{to{transform:rotate(360deg)}}.processing p{font-weight:500;color:var(--text-secondary);margin-bottom:1rem}.progress-wrap{max-width:280px;margin:0 auto}.progress-track{height:6px;background:var(--sand);border-radius:var(--radius-xl);overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--moss-light),var(--moss-green));width:0%;transition:width var(--duration-normal) var(--ease-natural);border-radius:var(--radius-xl)}.progress-text{display:block;font-size:.85rem;font-weight:600;color:var(--moss-green);margin-top:.5rem}.features{padding:5rem 0;background:var(--sand-light);content-visibility:auto;contain-intrinsic-size:auto 800px}.section-title{font-family:Playfair Display,Georgia,Times New Roman,serif;font-size:1.75rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:2.5rem}.features-intro{max-width:800px;margin:0 auto 2.5rem;text-align:center}.features-intro p{font-size:1rem;color:var(--text-secondary);line-height:1.7}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.feature-card{background:var(--warm-white);padding:1.75rem;border-radius:var(--radius-lg);text-align:center;transition:all var(--duration-normal) var(--ease-natural);border:1px solid rgba(139,134,128,.08)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-medium)}.feature-icon{width:56px;height:56px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--moss-light),var(--moss-green));color:var(--text-light);border-radius:var(--radius-md);flex-shrink:0}.feature-card h3{font-size:1.05rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.feature-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}.what-is-section{padding:5rem 0;background:var(--cream);content-visibility:auto;contain-intrinsic-size:auto 600px}.what-is-content{max-width:800px;margin:0 auto}.what-is-content p{font-size:1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:1.25rem}.what-is-content p:last-child{margin-bottom:0}.use-cases-section{padding:5rem 0;background:var(--sand-light);content-visibility:auto;contain-intrinsic-size:auto 800px}.use-cases-intro{max-width:800px;margin:0 auto 2.5rem;text-align:center}.use-cases-intro p{font-size:1rem;color:var(--text-secondary);line-height:1.7}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}.use-case-card{background:var(--warm-white);padding:1.75rem;border-radius:var(--radius-lg);transition:all var(--duration-normal) var(--ease-natural);border:1px solid rgba(139,134,128,.08)}.use-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-medium)}.use-case-card h3{font-size:1.1rem;font-weight:600;color:var(--moss-dark);margin-bottom:.75rem}.use-case-card p{font-size:.95rem;color:var(--text-secondary);line-height:1.7}.how-section{padding:5rem 0;background:var(--cream);content-visibility:auto;contain-intrinsic-size:auto 500px}.steps{display:flex;justify-content:center;align-items:flex-start;gap:0;max-width:1200px;margin:0 auto;width:100%;padding:0 2rem}.step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 1rem;flex:1 1 0;min-width:200px;max-width:350px}.step-num{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--moss-green);color:var(--text-light);font-size:1.25rem;font-weight:700;border-radius:50%;margin-bottom:1rem;flex-shrink:0}.step-content{width:100%}.step-content h3{font-size:1.05rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.step-content p{font-size:.9rem;color:var(--text-muted);line-height:1.6}.step-line{width:80px;height:2px;background:var(--sand-dark);margin:24px 0 0;flex-shrink:0}.faq-section{padding:5rem 0;background:var(--sand-light);content-visibility:auto;contain-intrinsic-size:auto 1000px}.faq-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.25rem;max-width:900px;margin:0 auto}.faq-item{background:var(--warm-white);padding:1.5rem;border-radius:var(--radius-md);border-left:4px solid var(--moss-green);transition:all var(--duration-fast) var(--ease-natural)}.faq-item:hover{box-shadow:var(--shadow-soft)}.faq-item h3{font-size:.95rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.faq-item p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#3d3a3666;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:1000;padding:1rem;will-change:opacity}.modal-backdrop.show{display:flex;animation:fadeIn var(--duration-fast) var(--ease-natural)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{background:var(--warm-white);border-radius:var(--radius-xl);padding:2rem;max-width:380px;width:100%;text-align:center;position:relative;box-shadow:var(--shadow-large);animation:modalSlide var(--duration-normal) var(--ease-natural)}@keyframes modalSlide{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-close{position:absolute;top:1rem;right:1rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--sand-light);border:none;border-radius:50%;color:var(--text-muted);cursor:pointer;transition:all var(--duration-fast) var(--ease-natural)}.modal-close:hover{background:var(--sand);color:var(--text-primary)}.modal-icon{width:60px;height:60px;margin:0 auto 1.25rem;display:flex;align-items:center;justify-content:center;border-radius:50%}.modal-icon.success{background:#5a72471f;color:var(--moss-green)}.modal-icon.error{background:#b45a461f;color:#b45a46}.modal-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.modal-text{font-size:.95rem;color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.modal-btn{padding:.75rem 2rem;background:var(--moss-green);border:none;border-radius:var(--radius-md);color:var(--text-light);font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--duration-fast) var(--ease-natural)}.modal-btn:hover{background:var(--moss-dark);transform:translateY(-1px)}.footer{background:var(--bark);color:var(--sand-light);padding:2.5rem 0 1.5rem}.footer-inner{display:flex;justify-content:space-between;align-items:center;padding-bottom:1.5rem;border-bottom:1px solid rgba(232,220,196,.15);margin-bottom:1.5rem}.footer-brand{display:flex;align-items:center;gap:.6rem;font-weight:600;font-size:1.1rem}.footer-links{display:flex;gap:1.5rem}.footer-links a{color:var(--sand);text-decoration:none;font-size:.9rem;transition:color var(--duration-fast) var(--ease-natural)}.footer-links a:hover{color:var(--warm-white)}.footer-copy{text-align:center;font-size:.85rem;color:var(--stone-light)}@media (max-width: 1024px){.steps{flex-direction:column;gap:0;align-items:center;padding:0 1rem}.step{max-width:450px;width:100%;padding:0}.step-line{width:2px;height:30px;margin:0}}@media (max-width: 768px){.hero{padding:3rem 0 2rem}.hero h1{font-size:2rem}.hero-text{font-size:1rem}.hero-tags{flex-direction:column;align-items:center}.app-card{padding:1.5rem}.upload-area{padding:2rem 1.5rem}.grid-buttons{grid-template-columns:repeat(2,1fr)}.custom-grid{flex-direction:column;align-items:center;gap:.75rem}.custom-divider{display:none}.footer-inner{flex-direction:column;gap:1rem;text-align:center}}@media (max-width: 480px){.container{padding:0 1rem}.options-header{flex-direction:column;gap:.75rem;align-items:flex-start}.faq-list{grid-template-columns:1fr}}