*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-header-bg: #1f2125;--color-hero-bg: #18191c;--color-body-bg: #f4f5f7;--color-text-dark: #1e293b;--color-text-muted: #64748b;--color-text-muted-dark: #64748b;--color-text-white: #ffffff;--color-text-hero-desc: #9ea7b4;--color-brand-red: #d32929;--color-brand-red-hover: #b71c1c;--color-brand-red-light: rgba(211, 41, 41, .1);--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-card-border: #e2e8f0;--color-dark-border: rgba(255, 255, 255, .1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4.5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .875rem;--radius-xl: 1.25rem;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .06);--shadow-md: 0 10px 25px rgba(0, 0, 0, .08);--shadow-float: 0 20px 40px -8px rgba(0, 0, 0, .22);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}body{font-family:var(--font-family);font-size:15px;line-height:1.6;color:var(--color-text-dark);background-color:var(--color-body-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1140px;margin:0 auto;padding:0 var(--space-md)}.glass{background:#fff}.hero-title{font-size:2.2rem;font-weight:800;color:var(--color-text-dark);margin-bottom:var(--space-lg);line-height:1.25}.gradient-text{background:linear-gradient(135deg,var(--color-brand-red),#b71c1c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.header{background:var(--color-header-bg);border-bottom:1px solid rgba(255,255,255,.08);padding:.75rem 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rgba(16,185,129,.25);white-space:nowrap}.desktop-nav{display:flex;gap:var(--space-lg)}.nav-link{color:#94a3b8;font-weight:500;font-size:.9rem;text-decoration:none;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--color-text-white)}.header-actions{display:flex;align-items:center;gap:var(--space-sm)}.btn-signup-coral{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1.1rem;background:var(--color-brand-red);color:#fff;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;text-decoration:none;transition:var(--transition);white-space:nowrap}.btn-signup-coral:hover{background:var(--color-brand-red-hover)}.hamburger-btn{display:none;background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#fff;border-radius:var(--radius-md);padding:6px 10px;cursor:pointer;align-items:center;justify-content:center}.mobile-nav-drawer{overflow:hidden;background:#18191c;border-top:1px solid rgba(255,255,255,.08);margin-top:.5rem}.mobile-nav-links{display:flex;flex-direction:column;padding:1rem 0;gap:.75rem}.mobile-nav-link{color:#cbd5e1;font-size:1rem;font-weight:600;text-decoration:none;padding:.5rem var(--space-md);border-radius:var(--radius-sm)}.mobile-nav-link.active{color:#fff;background:#ffffff0d}.mobile-contact-btn{margin:.5rem var(--space-md) 0;text-align:center}.cloud-hero{background:var(--color-hero-bg);padding:3.5rem 0 5rem;color:var(--color-text-white);border-bottom:1px solid rgba(255,255,255,.05)}.cloud-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);align-items:center}.cloud-hero-title{font-size:2.75rem;font-weight:800;letter-spacing:-.03em;margin-bottom:var(--space-md);line-height:1.15}.cloud-hero-desc{font-size:1.05rem;color:var(--color-text-hero-desc);line-height:1.65;max-width:500px}.converter-visual-box{display:flex;align-items:center;justify-content:center;gap:var(--space-md);background:#ffffff08;padding:var(--space-lg);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.06)}.format-visual-card{width:105px;height:115px;background:#25282e;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;box-shadow:0 8px 20px #0000004d;transition:var(--transition)}.format-visual-card.active-target{border-color:var(--color-brand-red);box-shadow:0 0 20px #d3292940;background:#2b282e}.card-file-icon{color:#94a3b8}.target-icon{color:var(--color-brand-red)}.card-format-text{font-size:1.05rem;font-weight:800;letter-spacing:.05em;color:#fff}.target-text{color:#ff6b6b}.card-subtext{font-size:.65rem;font-weight:700;color:#64748b;letter-spacing:.1em}.converter-arrow-ring{display:flex;flex-direction:column;align-items:center;gap:4px}.arrow-circle{width:38px;height:38px;border-radius:50%;background:#ffffff0f;display:flex;align-items:center;justify-content:center;color:var(--color-brand-red);border:1px solid rgba(255,255,255,.1)}.arrow-label{font-size:.675rem;font-weight:800;color:#64748b;letter-spacing:.1em}.floating-upload-section{margin-top:-3.5rem;margin-bottom:var(--space-2xl);position:relative;z-index:20}.cloud-upload-card{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-float);padding:2.75rem 1.5rem;text-align:center;border:1px solid var(--color-card-border);transition:var(--transition);cursor:pointer}.cloud-upload-card:hover{transform:translateY(-2px);box-shadow:0 25px 50px -10px #0000004d}.cloud-upload-card.drag-active{border-color:var(--color-brand-red);background:#d3292905}.upload-card-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);max-width:550px;margin:0 auto}.cloud-red-icon{color:var(--color-brand-red);margin-bottom:4px}.upload-main-heading{font-size:1.4rem;font-weight:700;color:var(--color-text-dark)}.upload-sub-text{font-size:.925rem;color:var(--color-text-muted-dark)}.btn-cloud-red{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 2rem;background:linear-gradient(135deg,var(--color-brand-red),#b71c1c);color:#fff;font-size:1rem;font-weight:700;border-radius:30px;border:none;cursor:pointer;box-shadow:0 6px 18px #d3292959;margin:var(--space-xs) 0;transition:var(--transition)}.upload-limit-foot{font-size:.8rem;color:#94a3b8}.main-content{flex:1;padding-bottom:var(--space-3xl)}.page-content{padding-top:2.5rem;padding-bottom:3.5rem}.page-card{padding:2.5rem;border-radius:var(--radius-xl);border:1px solid var(--color-card-border);box-shadow:var(--shadow-md)}@media (max-width: 640px){.page-content{padding-top:1.5rem;padding-bottom:2.5rem}.page-card{padding:1.25rem}}.page-body{color:var(--color-text-muted-dark);font-size:1.05rem;line-height:1.8}.page-paragraph{margin-bottom:var(--space-lg)}.page-paragraph:last-child{margin-bottom:0}.contact-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{color:var(--color-text-dark);font-weight:600;font-size:.9rem}.form-input{padding:.875rem 1rem;border-radius:var(--radius-md);background:#f8fafc;border:1px solid var(--color-card-border);color:var(--color-text-dark);font-size:.95rem;font-family:inherit;transition:var(--transition)}.form-input::placeholder{color:#94a3b8}.form-input:focus{outline:none;border-color:var(--color-brand-red);background:#fff;box-shadow:0 0 0 3px #d329291f}.form-textarea{resize:vertical;min-height:120px}.contact-submit-btn{width:100%;margin-top:var(--space-sm);padding:.9rem;font-size:1rem}.contact-success-msg{background:#10b9811a;color:var(--color-success);border:1px solid rgba(16,185,129,.3);padding:var(--space-lg);border-radius:var(--radius-md);text-align:center;font-weight:600}.format-selector-wrapper{background:#fff;border-radius:var(--radius-xl);border:1px solid var(--color-card-border);box-shadow:var(--shadow-md);padding:var(--space-lg);margin-bottom:var(--space-2xl);display:flex;flex-direction:column;gap:var(--space-lg)}.format-selector{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.format-box{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.format-label{font-size:.75rem;font-weight:700;color:var(--color-text-muted-dark);text-transform:uppercase;letter-spacing:.05em}.format-value-static{font-size:.95rem;font-weight:700;color:var(--color-brand-red);padding:.5rem .875rem;background:#f8fafc;border-radius:var(--radius-md);border:1px solid var(--color-card-border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.format-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;font-size:.925rem;font-weight:700;color:var(--color-text-dark);padding:.5rem 2rem .5rem .875rem;background:#f8fafc;border-radius:var(--radius-md);border:1px solid var(--color-card-border);cursor:pointer;width:100%;max-width:100%;text-overflow:ellipsis;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23334155'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .7rem center;background-size:1rem}.format-select:focus{border-color:var(--color-brand-red);outline:none}.format-arrow{color:var(--color-brand-red);display:flex;align-items:center;justify-content:center}.options-panel{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);padding-top:var(--space-md);border-top:1px solid #f1f5f9}.option-item{display:flex;flex-direction:column;gap:6px}.option-header{display:flex;justify-content:space-between;align-items:center}.option-label{font-size:.825rem;font-weight:600;color:var(--color-text-muted-dark)}.option-value-badge{color:var(--color-brand-red);font-weight:700}.quality-slider{width:100%;accent-color:var(--color-brand-red);cursor:pointer;height:5px}.option-select{padding:.5rem .875rem;border-radius:var(--radius-md);background:#f8fafc;border:1px solid var(--color-card-border);color:var(--color-text-dark);font-size:.875rem;font-weight:500;width:100%}.available-converters-section{padding:var(--space-2xl) 0;background:#fff;border-top:1px solid var(--color-card-border)}.available-converters-card{background:#f8fafc;border:1px solid var(--color-card-border);border-radius:var(--radius-xl);padding:var(--space-xl)}.section-header{margin-bottom:var(--space-lg)}.section-caption{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;color:var(--color-brand-red);letter-spacing:.08em;margin-bottom:4px}.section-title{font-size:1.6rem;font-weight:800;color:var(--color-text-dark);margin-bottom:4px}.section-subtitle{color:var(--color-text-muted-dark);font-size:.925rem}.format-matrix{display:flex;flex-wrap:wrap;gap:6px}.matrix-pill{padding:5px 12px;background:#fff;border:1px solid var(--color-card-border);border-radius:var(--radius-sm);font-size:.775rem;font-weight:700;color:var(--color-text-dark);cursor:pointer;transition:var(--transition)}.matrix-pill:hover{border-color:var(--color-brand-red);color:var(--color-brand-red);box-shadow:var(--shadow-sm)}.matrix-pill.active{background:var(--color-brand-red);color:#fff;border-color:var(--color-brand-red)}.file-list-section{margin-bottom:var(--space-2xl)}.file-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.file-count-badge{display:flex;align-items:center;gap:var(--space-sm)}.file-count-badge h3{font-size:1.15rem;font-weight:700;color:var(--color-text-dark)}.count-pill{background:#d329291a;color:var(--color-brand-red);padding:2px 10px;border-radius:12px;font-size:.8rem;font-weight:700}.view-mode-toggle{display:flex;gap:4px;background:#fff;padding:3px;border-radius:var(--radius-md);border:1px solid var(--color-card-border)}.btn-view-toggle{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--color-text-muted-dark);font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-view-toggle.active{background:#f1f5f9;color:var(--color-text-dark)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--space-md)}.file-card{background:#fff;border:1px solid var(--color-card-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}.file-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.file-preview{position:relative;width:100%;height:140px;background:#0f172a;overflow:hidden}.file-preview img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}.file-card:hover .file-preview img{transform:scale(1.04)}.status-badge{position:absolute;top:8px;right:8px;display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:.725rem;font-weight:700;background:#0f172ad1;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;z-index:3;box-shadow:0 2px 6px #0003}.status-badge.status-pending{color:#60a5fa;border:1px solid rgba(96,165,250,.3)}.status-badge.status-converting{color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.status-badge.status-success{color:#34d399;border:1px solid rgba(52,211,153,.3)}.status-badge.status-error{color:#f87171;border:1px solid rgba(248,113,113,.3)}.preview-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0f172aa6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease;z-index:2;pointer-events:none}.file-preview:hover .preview-overlay{opacity:1}.preview-overlay span{color:#fff;font-size:.775rem;font-weight:700;padding:6px 14px;background:#fff3;border-radius:20px;border:1px solid rgba(255,255,255,.35);box-shadow:0 4px 12px #0003}.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.file-info{padding:var(--space-md)}.file-name{font-weight:600;font-size:.85rem;color:var(--color-text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-meta{display:flex;align-items:center;justify-content:space-between;font-size:.775rem;color:var(--color-text-muted-dark)}.file-actions{display:flex;gap:6px;padding:var(--space-sm) var(--space-md);justify-content:flex-end;border-top:1px solid #f1f5f9}.file-table-container{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--color-card-border);overflow-x:auto;-webkit-overflow-scrolling:touch;box-shadow:var(--shadow-sm)}.file-table{width:100%;min-width:600px;border-collapse:collapse;text-align:left;font-size:.85rem}.file-table th{padding:10px 14px;background:#f8fafc;color:var(--color-text-muted-dark);font-weight:700;font-size:.725rem;text-transform:uppercase;border-bottom:1px solid var(--color-card-border)}.table-row{border-bottom:1px solid #f1f5f9}.file-table td{padding:8px 14px}.table-img-preview{width:34px;height:34px;object-fit:cover;border-radius:4px}button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;outline:none;-webkit-tap-highlight-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.7rem 1.4rem;font-size:.925rem;font-weight:600;border-radius:var(--radius-md);transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer;border:1px solid transparent;-webkit-user-select:none;user-select:none;line-height:1.2;white-space:nowrap}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed!important;pointer-events:none;transform:none!important;box-shadow:none!important}.btn-primary{background:linear-gradient(135deg,var(--color-brand-red) 0%,#b71c1c 100%);color:#fff;box-shadow:0 4px 14px #d3292959;border:none}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#e53935,#c62828);box-shadow:0 6px 20px #d3292973;color:#fff}.btn-secondary{background:#fff;color:#334155;border:1px solid #cbd5e1;box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:#f8fafc;color:#0f172a;border-color:#94a3b8;box-shadow:0 4px 12px #0000000d}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 14px #10b9814d;border:none}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 6px 20px #10b98166;color:#fff}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);border:1px solid #e2e8f0;background:#fff;color:#64748b;transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer;padding:0}.btn-icon:hover{background:#f8fafc;color:var(--color-text-dark);border-color:#cbd5e1;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-icon.btn-preview:hover{color:#2563eb;background:#eff6ff;border-color:#bfdbfe}.btn-icon.btn-download:hover{color:#059669;background:#ecfdf5;border-color:#a7f3d0}.btn-icon.btn-remove:hover{color:#dc2626;background:#fef2f2;border-color:#fecaca}.modal-close{border:none;background:transparent;color:#64748b;border-radius:50%;width:32px;height:32px}.modal-close:hover{background:#f1f5f9;color:#0f172a;border:none}.row-actions{display:flex;align-items:center;justify-content:flex-end;gap:6px}.btn-icon-sm{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1px solid #e2e8f0;background:#fff;color:#475569;transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer;padding:0}.btn-icon-sm:hover{background:#f1f5f9;color:#0f172a;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 2px 5px #0000000f}.btn-icon-sm.btn-success-sm{color:#059669;background:#ecfdf5;border-color:#a7f3d0}.btn-icon-sm.btn-success-sm:hover{background:#10b981;color:#fff;border-color:#10b981;box-shadow:0 3px 10px #10b98159}.btn-icon-sm.btn-remove-sm{color:#dc2626;background:#fef2f2;border-color:#fecaca}.btn-icon-sm.btn-remove-sm:hover{background:#ef4444;color:#fff;border-color:#ef4444;box-shadow:0 3px 10px #ef444459}.action-buttons-container{display:flex;flex-direction:column;gap:var(--space-md)}.savings-summary-banner{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:var(--space-md) var(--space-lg);border-radius:var(--radius-lg);display:flex;align-items:center;gap:var(--space-md)}.action-buttons{display:flex;gap:var(--space-md);justify-content:flex-end;flex-wrap:wrap}.btn-convert{background:linear-gradient(135deg,var(--color-brand-red),#b71c1c);color:#fff}.info-section{padding:var(--space-2xl) 0;background:#f8fafc;border-top:1px solid var(--color-card-border)}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-lg)}.info-card{padding:var(--space-lg);background:#fff;border:1px solid var(--color-card-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}.info-icon{color:var(--color-brand-red);margin-bottom:var(--space-md)}.info-card h3{font-size:1.1rem;font-weight:700;color:var(--color-text-dark);margin-bottom:6px}.info-card p{color:var(--color-text-muted-dark);font-size:.875rem;line-height:1.5}.footer{background:#18191c;color:#94a3b8;padding:var(--space-xl) 0;border-top:1px solid rgba(255,255,255,.08)}.footer-content{display:flex;justify-content:space-between;align-items:center}.footer-nav{display:flex;gap:var(--space-lg)}.footer-nav a{color:#94a3b8;text-decoration:none}.footer-nav a:hover{color:#fff}.developer-link{color:var(--color-brand-red);text-decoration:none;font-weight:600;transition:var(--transition)}.developer-link:hover{color:#ff6b6b;text-decoration:underline}@media (max-width: 840px){.cloud-hero-title{font-size:2.2rem}}@media (max-width: 768px){.desktop-nav,.desktop-contact-wrapper{display:none}.hamburger-btn{display:flex}.privacy-badge{font-size:.65rem;padding:2px 6px}.cloud-hero{padding:2.5rem 0 4rem}.cloud-hero-grid{grid-template-columns:1fr;gap:var(--space-lg);text-align:center}.cloud-hero-title{font-size:1.85rem;margin-bottom:var(--space-xs)}.cloud-hero-desc{font-size:.95rem;margin:0 auto}.converter-visual-box{padding:var(--space-md);gap:var(--space-xs)}.format-visual-card{width:82px;height:92px;gap:2px}.card-format-text{font-size:.875rem}.card-subtext{font-size:.575rem}.arrow-circle{width:32px;height:32px}.floating-upload-section{margin-top:-2.5rem;margin-bottom:var(--space-xl)}.cloud-upload-card{padding:2rem 1rem;border-radius:var(--radius-lg)}.upload-main-heading{font-size:1.2rem}.upload-sub-text{font-size:.85rem}.btn-cloud-red{width:100%;max-width:280px;padding:.75rem 1.5rem;font-size:.95rem}}@media (max-width: 640px){.format-selector{flex-direction:column;align-items:stretch;gap:var(--space-sm)}.format-arrow{transform:rotate(90deg);padding:4px 0}.options-panel{grid-template-columns:1fr;gap:var(--space-md)}.format-select{width:100%;max-width:100%}.available-converters-card{padding:1.25rem 1rem}.section-title{font-size:1.35rem}.section-subtitle{font-size:.85rem}.action-buttons{flex-direction:column;align-items:stretch}.action-buttons .btn{width:100%}.footer-content{flex-direction:column;gap:var(--space-md);text-align:center}}