:root{--snow: #fbfbfd;--ink: #1d1d1f;--sky: #0071e3;--sky-dark: #0060c0;--mist: #f5f5f7;--line: rgba(0, 0, 0, .08);--muted: #6e6e73;--danger-bg: #fff2f2;--danger-border: #f2c2c2;--danger-text: #b3261e;--ease: cubic-bezier(.28, .11, .32, 1);--maxw: 1040px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--snow);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{letter-spacing:-.03em;line-height:1.06;margin:0}.muted{color:var(--muted);font-size:.85rem}@keyframes rise{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.rise{animation:rise .8s var(--ease) both}.d1{animation-delay:.06s}.d2{animation-delay:.14s}.d3{animation-delay:.22s}.d4{animation-delay:.3s}.reveal{opacity:0;transform:translateY(24px);transition:.8s var(--ease)}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}.site-header{position:sticky;top:0;z-index:40;background:#fbfbfdcc;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}.header-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 22px}.logo{height:30px;width:auto;display:block}.nav-cta{background:var(--sky);color:#fff;text-decoration:none;font-size:.9rem;font-weight:600;padding:7px 16px;border-radius:980px;transition:background .2s}.nav-cta:hover{background:var(--sky-dark)}.hero{text-align:center;padding:80px 22px 56px;background:radial-gradient(60% 55% at 50% -5%,rgba(0,113,227,.12),transparent 70%)}.eyebrow{color:var(--sky);font-weight:600;font-size:1.05rem;margin:0 0 14px}.hero h1{font-size:clamp(2.1rem,5vw,4rem);font-weight:800;max-width:900px;margin:0 auto 20px}.lead{font-size:clamp(1.15rem,2.6vw,1.6rem);color:var(--muted);font-weight:500;max-width:620px;margin:0 auto 26px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap;margin-bottom:14px}.link-arrow{color:var(--sky);font-weight:600;font-size:1.1rem;text-decoration:none}.link-arrow:hover{text-decoration:underline}.hero-trust{font-size:.85rem;color:var(--muted);margin:0}.btn-primary,.btn-secondary{display:inline-block;font-weight:600;font-size:1.05rem;padding:13px 26px;border-radius:980px;border:0;cursor:pointer;text-decoration:none;text-align:center;transition:transform .15s,background .2s}.btn-primary{background:var(--sky);color:#fff}.btn-primary:hover{background:var(--sky-dark);transform:translateY(-1px)}.btn-secondary{background:var(--mist);color:var(--ink);border:1px solid var(--line)}.btn-secondary:hover{background:#ececee}.tool-card{background:#fff;border-radius:28px;padding:30px;max-width:620px;width:100%;margin:52px auto 0;box-shadow:0 30px 60px #0071e31a;border:1px solid var(--line);text-align:left}#dropzone{border-radius:22px;background:var(--mist);padding:44px 16px;text-align:center;cursor:pointer;border:2px solid transparent;transition:background .2s,border-color .2s}#dropzone:hover,#dropzone:focus-visible{background:#eef0f3;outline:none}#dropzone.dragover{border-color:var(--sky);background:#0071e30f}.wave{display:flex;align-items:flex-end;justify-content:center;gap:4px;height:48px;margin-bottom:16px}.wave span{width:5px;border-radius:6px;background:var(--sky)}.wave span:nth-child(1){height:16px}.wave span:nth-child(2){height:34px}.wave span:nth-child(3){height:48px}.wave span:nth-child(4){height:24px}.wave span:nth-child(5){height:40px}.wave span:nth-child(6){height:14px}.wave span:nth-child(7){height:30px}.dz-title{font-size:1.3rem;margin:0}.dz-sub{color:var(--muted);margin:3px 0 12px}.dz-formats{margin:0}#preset-group{border:0;padding:0;margin:22px 0 12px}#preset-group legend{font-weight:600;padding:0;margin-bottom:10px}.preset-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.preset-options label{display:block;padding:12px 10px;border:1px solid var(--line);border-radius:14px;cursor:pointer;text-align:center;transition:border-color .2s,background .2s}.preset-options label:hover{border-color:var(--sky)}.preset-options label:has(input:checked){border-color:var(--sky);background:#0071e30f}.preset-options input{position:absolute;opacity:0;pointer-events:none}.preset-options label span{display:block}.preset-options .muted{font-size:.78rem}.toggle{display:flex;align-items:center;gap:9px;margin:14px 0;cursor:pointer}details{margin-top:10px;border-top:1px solid var(--line);padding-top:12px}summary{cursor:pointer;color:var(--sky);font-weight:600;font-size:.92rem}.adv-field{display:block;margin-top:14px;font-size:.92rem}input[type=number]{display:block;width:100px;margin-top:6px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;font-size:.95rem;font-family:inherit}#state-processing{text-align:center;padding:14px 0}#processing-label{font-weight:600;margin:6px 0 14px}progress{width:100%;height:12px;border:0;border-radius:999px;overflow:hidden;background:var(--mist)}progress::-webkit-progress-bar{background:var(--mist);border-radius:999px}progress::-webkit-progress-value{background:var(--sky);border-radius:999px}progress::-moz-progress-bar{background:var(--sky)}.done-title{font-size:1.4rem;margin-bottom:14px}#preview-audio{width:100%;margin:4px 0 12px}#stats-line{color:var(--muted);margin:0 0 6px}.retention{background:#0071e314;color:var(--sky);font-weight:600;padding:11px 15px;border-radius:14px;margin:0 0 16px}.done-actions{display:flex;flex-wrap:wrap;gap:10px}#error-box{background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger-text);border-radius:14px;padding:15px;margin-top:14px}#error-box button{margin-top:12px}.timeblock{background:#000;color:#fff;text-align:center;padding:110px 22px}.eyebrow-dark{color:#ffffff80;font-weight:600;margin:0 0 16px}.timeblock h2{font-size:clamp(2.1rem,5.5vw,4rem);font-weight:800;margin-bottom:26px}.timeblock-sub{color:#ffffffa6;font-size:clamp(1.05rem,2.2vw,1.3rem);max-width:620px;margin:0 auto}.features{max-width:var(--maxw);margin:0 auto;padding:96px 22px;display:flex;flex-direction:column;gap:90px}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.feature-text h2{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;margin-bottom:18px}.feature-text p{font-size:clamp(1.1rem,2.2vw,1.35rem);color:var(--muted);font-weight:500;margin:0}.feature-visual{background:var(--mist);border-radius:28px;height:240px;display:flex;align-items:center;justify-content:center;font-size:4.5rem}.who{background:var(--mist);padding:88px 22px}.who-title{text-align:center;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;margin-bottom:44px}.who-grid{max-width:960px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.who-card{background:#fff;border-radius:22px;padding:26px;border:1px solid var(--line)}.who-emoji{font-size:2rem;margin-bottom:10px}.who-card h3{font-size:1.15rem;margin-bottom:8px}.who-card p{color:var(--muted);margin:0}.faq-section{max-width:720px;margin:0 auto;padding:96px 22px}.faq-section h2{text-align:center;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;margin-bottom:36px}.faq dt{font-weight:700;font-size:1.1rem;margin-top:22px}.faq dd{margin:8px 0 0;color:var(--muted)}.cta-final{text-align:center;padding:110px 22px;background:radial-gradient(60% 60% at 50% 110%,rgba(0,113,227,.12),transparent 70%)}.cta-final h2{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800;margin-bottom:16px}.cta-final p{color:var(--muted);font-size:1.25rem;font-weight:500;margin:0 0 28px}.site-footer{border-top:1px solid var(--line);text-align:center;padding:30px 22px}.footer-brand{font-weight:800;font-size:1.1rem;margin:0 0 4px}.sticky-cta{display:none}.sticky-cta a{display:block;text-align:center;background:var(--sky);color:#fff;font-weight:600;padding:14px;border-radius:980px;text-decoration:none}@media (max-width: 720px){.feature-row{grid-template-columns:1fr;gap:24px}.feature-row.reverse .feature-visual{order:-1}.feature-visual{height:180px;font-size:3.5rem}.who-grid{grid-template-columns:1fr}.sticky-cta{display:block;position:fixed;bottom:0;left:0;right:0;z-index:50;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#fbfbfde6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line)}}.hero h1,.timeblock h2,.feature-text h2,.cta-final h2{text-wrap:balance}.usp-row{list-style:none;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:0;margin:0 auto 20px;max-width:640px}.usp-row li{font-size:.82rem;font-weight:600;color:var(--sky);background:#0071e314;border-radius:999px;padding:6px 14px;white-space:nowrap}.file-chosen{margin:14px 0 0;font-weight:600;font-size:.95rem;color:var(--ink);word-break:break-all}.btn-run{display:block;width:100%;margin-top:18px}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-primary:disabled:hover{background:var(--sky);transform:none}.waveform{width:100%;height:64px;margin-top:14px;display:block}.header-right{display:flex;align-items:center;gap:16px}.lang-switch{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700}.lang-switch a{color:var(--muted);text-decoration:none}.lang-switch a:hover{color:var(--ink)}.lang-active{color:var(--sky)}.lang-sep{color:var(--border)}