@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--primary-50:#eef2ff;--primary-100:#e0e7ff;--primary-200:#c7d2fe;--primary-300:#a5b4fc;--primary-400:#818cf8;--primary-500:#6366f1;--primary-600:#4f46e5;--primary-700:#4338ca;--primary-800:#3730a3;--primary-900:#312e81;--accent-400:#22d3ee;--accent-500:#06b6d4;--accent-600:#0891b2;--success-400:#4ade80;--success-500:#22c55e;--warning-400:#fbbf24;--warning-500:#f59e0b;--error-400:#f87171;--error-500:#ef4444;--surface-950:#030712;--surface-900:#0a0f1e;--surface-850:#0d1326;--surface-800:#111827;--surface-700:#1e293b;--surface-600:#334155;--surface-500:#475569;--surface-400:#64748b;--surface-300:#94a3b8;--surface-200:#cbd5e1;--surface-100:#e2e8f0;--surface-50:#f8fafc;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-xl:0 16px 48px #0009;--shadow-glow:0 0 40px #6366f14d;--shadow-glow-accent:0 0 40px #06b6d433;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--surface-950);color:var(--surface-100);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(80% 60% at 50% -20%,#6366f126 0%,#0000 60%),radial-gradient(60% 40% at 80%,#06b6d414 0%,#0000 50%),radial-gradient(60% 40% at 20% 80%,#8b5cf614 0%,#0000 50%);position:fixed;inset:0}.text-gradient{background:linear-gradient(135deg, var(--primary-400), var(--accent-400));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-gradient-warm{background:linear-gradient(135deg, var(--primary-300), var(--accent-400), var(--success-400));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.glass-card{-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-lg);transition:all var(--transition-base);background:#11182799;border:1px solid #6366f11a}.glass-card:hover{box-shadow:var(--shadow-glow);border-color:#6366f140;transform:translateY(-2px)}.glass-card-static{-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-lg);background:#11182799;border:1px solid #6366f11a}.btn{font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg, var(--primary-600), var(--primary-500));color:#fff;box-shadow:0 4px 16px #6366f14d}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-500), var(--primary-400));transform:translateY(-1px);box-shadow:0 6px 24px #6366f173}.btn-secondary{color:var(--primary-300);background:#6366f11a;border:1px solid #6366f133}.btn-secondary:hover{background:#6366f133;border-color:#6366f166}.btn-accent{background:linear-gradient(135deg, var(--accent-600), var(--accent-500));color:#fff;box-shadow:0 4px 16px #06b6d44d}.btn-accent:hover{transform:translateY(-1px);box-shadow:0 6px 24px #06b6d473}.btn-lg{border-radius:var(--radius-lg);padding:16px 32px;font-size:1.1rem}.btn-sm{padding:8px 16px;font-size:.85rem}.btn-icon{border-radius:var(--radius-md);padding:10px}.drop-zone{border-radius:var(--radius-xl);text-align:center;cursor:pointer;transition:all var(--transition-base);background:#6366f108;border:2px dashed #6366f14d;padding:48px;position:relative}.drop-zone:hover{background:#6366f10f;border-color:#6366f180}.drop-zone.active{border-color:var(--primary-400);box-shadow:var(--shadow-glow);background:#6366f11a}.drop-zone.active .drop-zone-icon{color:var(--primary-400);transform:scale(1.1)}.file-card{border-radius:var(--radius-md);transition:all var(--transition-fast);background:#1e293b80;border:1px solid #6366f114;align-items:center;gap:12px;padding:12px 16px;display:flex}.file-card:hover{background:#1e293bcc;border-color:#6366f126}.file-card .file-icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.file-card .file-info{flex:1;min-width:0}.file-card .file-name{color:var(--surface-100);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:500;overflow:hidden}.file-card .file-size{color:var(--surface-400);font-size:.8rem}.progress-bar{background:var(--surface-700);border-radius:var(--radius-full);width:100%;height:6px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--primary-500), var(--accent-400));border-radius:var(--radius-full);height:100%;transition:width var(--transition-base)}.format-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm);border:1px solid;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:700;display:inline-flex}.format-badge.image{color:var(--primary-300);background:#6366f11a;border-color:#6366f133}.format-badge.document{color:var(--accent-400);background:#06b6d41a;border-color:#06b6d433}.format-badge.video{color:#a78bfa;background:#8b5cf61a;border-color:#8b5cf633}.select{appearance:none;background:var(--surface-800);border:1px solid var(--surface-600);border-radius:var(--radius-md);color:var(--surface-100);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding:10px 40px 10px 14px;font-size:.95rem}.select:hover{border-color:var(--primary-500)}.select:focus{border-color:var(--primary-400);outline:none;box-shadow:0 0 0 3px #6366f126}.navbar{z-index:100;-webkit-backdrop-filter:blur(16px);background:#030712cc;border-bottom:1px solid #6366f114;justify-content:space-between;align-items:center;padding:16px 24px;display:flex;position:fixed;top:0;left:0;right:0}.navbar-brand{color:var(--surface-50);align-items:center;gap:10px;font-size:1.3rem;font-weight:800;text-decoration:none;display:flex}.navbar-brand .logo-icon{background:linear-gradient(135deg, var(--primary-500), var(--accent-400));border-radius:var(--radius-sm);justify-content:center;align-items:center;width:36px;height:36px;font-size:1.1rem;display:flex}.navbar-nav{align-items:center;gap:8px;list-style:none;display:flex}.navbar-nav a{color:var(--surface-300);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:8px 16px;font-size:.9rem;font-weight:500;text-decoration:none}.navbar-nav a:hover{color:var(--surface-50);background:#6366f114}.hero{text-align:center;max-width:800px;margin:0 auto;padding:140px 24px 80px}.hero h1{letter-spacing:-.02em;margin-bottom:20px;font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1.1}.hero .subtitle{color:var(--surface-300);max-width:560px;margin:0 auto 32px;font-size:1.2rem;line-height:1.7}.converter-section{max-width:900px;margin:0 auto;padding:0 24px 80px}.converter-card{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);background:#111827b3;border:1px solid #6366f11f;padding:32px}.converter-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.format-selector{align-items:center;gap:12px;display:flex}.format-selector .arrow{color:var(--primary-400);align-items:center;display:flex}.features-section{max-width:1100px;margin:0 auto;padding:80px 24px}.features-section h2{text-align:center;margin-bottom:12px;font-size:2rem;font-weight:800}.features-section .section-subtitle{text-align:center;color:var(--surface-400);margin-bottom:48px;font-size:1.05rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.feature-card{padding:28px}.feature-card .feature-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;font-size:1.3rem;display:flex}.feature-card .feature-icon.purple{color:var(--primary-400);background:#6366f126}.feature-card .feature-icon.cyan{color:var(--accent-400);background:#06b6d426}.feature-card .feature-icon.green{color:var(--success-400);background:#22c55e26}.feature-card h3{color:var(--surface-50);margin-bottom:8px;font-size:1.1rem;font-weight:700}.feature-card p{color:var(--surface-400);font-size:.9rem;line-height:1.6}.formats-section{max-width:1100px;margin:0 auto;padding:0 24px 80px}.formats-grid{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:32px;display:flex}.format-chip{border-radius:var(--radius-full);color:var(--surface-300);transition:all var(--transition-fast);cursor:default;background:#1e293b80;border:1px solid #6366f11a;padding:8px 18px;font-size:.85rem;font-weight:600}.format-chip:hover{color:var(--primary-300);background:#6366f11a;border-color:#6366f14d;transform:translateY(-2px)}.cta-section{text-align:center;max-width:700px;margin:0 auto;padding:80px 24px}.cta-card{background:linear-gradient(135deg,#6366f11a,#06b6d40d);border:1px solid #6366f133;padding:48px}.cta-card h2{margin-bottom:12px;font-size:1.8rem;font-weight:800}.cta-card p{color:var(--surface-300);margin-bottom:28px;font-size:1.05rem}.price-tag{align-items:baseline;gap:4px;margin-bottom:24px;display:inline-flex}.price-tag .amount{color:var(--surface-50);font-size:3rem;font-weight:900}.price-tag .period{color:var(--surface-400);font-size:1.1rem}.cta-features{text-align:left;flex-direction:column;gap:10px;max-width:320px;margin-bottom:32px;margin-left:auto;margin-right:auto;display:flex}.cta-features .cta-feature{color:var(--surface-200);align-items:center;gap:10px;font-size:.95rem;display:flex}.cta-features .cta-feature .check{color:var(--success-400);flex-shrink:0}.footer{text-align:center;color:var(--surface-500);border-top:1px solid #6366f114;padding:32px 24px;font-size:.85rem}.results-area{border-top:1px solid #6366f114;margin-top:24px;padding-top:24px}.result-item{border-radius:var(--radius-md);background:#22c55e0d;border:1px solid #22c55e26;justify-content:space-between;align-items:center;margin-bottom:8px;padding:12px 16px;display:flex}.result-item .result-info{align-items:center;gap:12px;display:flex}.result-item .result-check{color:var(--success-400)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #6366f133}50%{box-shadow:0 0 40px #6366f166}}@keyframes fade-in-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-float{animation:4s ease-in-out infinite float}.animate-pulse-glow{animation:3s ease-in-out infinite pulse-glow}.animate-fade-in-up{animation:.6s ease-out forwards fade-in-up}.animate-spin{animation:1s linear infinite spin}.stagger>*{opacity:0;animation:.5s ease-out forwards fade-in-up}.stagger>:first-child{animation-delay:50ms}.stagger>:nth-child(2){animation-delay:.1s}.stagger>:nth-child(3){animation-delay:.15s}.stagger>:nth-child(4){animation-delay:.2s}.stagger>:nth-child(5){animation-delay:.25s}.stagger>:nth-child(6){animation-delay:.3s}.spinner{border:3px solid var(--surface-700);border-top-color:var(--primary-400);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@media (max-width:768px){.hero{padding:120px 16px 48px}.hero h1{font-size:2.2rem}.converter-card{padding:20px}.converter-header{flex-direction:column;align-items:stretch}.features-grid{grid-template-columns:1fr}.navbar{padding:12px 16px}.navbar-nav{display:none}.drop-zone{padding:32px 16px}}@media (max-width:480px){.hero h1{font-size:1.8rem}.btn-lg{padding:14px 24px;font-size:1rem}}