:root{--bg:#0b0b0f;--surface:#15151c;--surface-2:#1e1e28;--border:#2a2a36;--text:#f2f2f5;--muted:#9a9aab;--accent:#7c5cff;--accent-strong:#9b82ff;--danger:#ff6b6b;--success:#4ade80;--radius:12px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}body{flex-direction:column;min-height:100vh;display:flex}a{color:inherit}h1,h2{margin:0;line-height:1.15}.site-header{justify-content:space-between;align-items:center;width:100%;max-width:1100px;margin:0 auto;padding:16px;display:flex}.brand{letter-spacing:-.02em;font-size:1.25rem;font-weight:800;text-decoration:none}.nav-link{color:var(--muted);text-decoration:none}.nav-link:hover{color:var(--text)}.site-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:8px 16px 48px}.site-footer{border-top:1px solid var(--border);color:var(--muted);text-align:center;padding:16px;font-size:.85rem}.muted{color:var(--muted);margin:0}.stack{flex-direction:column;gap:20px;display:flex}.stack-sm{flex-direction:column;gap:10px;display:flex}.page-title{font-size:clamp(1.5rem,4vw,2rem)}.button{border:1px solid var(--accent);background:var(--accent);color:#fff;font:inherit;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.button:hover:not(:disabled){background:var(--accent-strong)}.button:disabled{opacity:.5;cursor:not-allowed}.button--ghost{color:var(--text);border-color:var(--border);background:0 0}.button--ghost:hover:not(:disabled){background:var(--surface-2)}.button--large{padding:14px 28px;font-size:1.05rem}.button--wide{width:100%}.button-row{flex-wrap:wrap;gap:10px;display:flex}.link-button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:0;font-size:.9rem;text-decoration:underline}.hero{flex-direction:column;align-items:flex-start;gap:20px;max-width:720px;padding:48px 0 32px;display:flex}.hero h1{letter-spacing:-.03em;font-size:clamp(2rem,6vw,3.25rem)}.hero__lead{color:var(--muted);margin:0;font-size:1.1rem}.steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:8px;padding:20px;display:flex}.card h2{font-size:1.05rem}.create{grid-template-columns:1fr;gap:24px;display:grid}@media (min-width:860px){.create{grid-template-columns:minmax(280px,380px) 1fr;align-items:start}.create__preview{position:sticky;top:16px}}.create__preview{justify-content:center;display:flex}.preview{aspect-ratio:9/16;border-radius:var(--radius);border:1px solid var(--border);background:#000;width:100%;max-width:380px;position:relative;overflow:hidden;container-type:inline-size}@media (max-width:859px){.preview{max-width:min(100%,320px)}}.preview--empty{color:var(--muted);background:var(--surface);place-items:center;display:grid}.preview__video,.preview__backdrop{width:100%;height:100%;position:absolute;inset:0}.preview__video--fill{object-fit:cover}.preview__video--blur-fit{object-fit:contain}.preview__backdrop{object-fit:cover;filter:blur(18px)brightness(.8);pointer-events:none;transform:scale(1.15)}.preview__hook{text-align:center;color:#fff;text-shadow:0 0 .35cqw #000,0 0 .6cqw #000,.3cqw .3cqw #000;pointer-events:none;overflow-wrap:anywhere;font-size:8.1cqw;font-weight:800;line-height:1.15;position:absolute;left:7.4%;right:7.4%}.preview__hook--bold-top{top:13.5%}.preview__hook--bold-center{top:50%;transform:translateY(-50%)}.preview__watermark{color:#ffffffbf;text-shadow:0 0 .3cqw #000;pointer-events:none;font-size:3.7cqw;font-weight:700;position:absolute;bottom:5%;right:4.4%}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);text-align:center;cursor:pointer;flex-direction:column;align-items:center;gap:4px;padding:28px 16px;transition:border-color .15s,background .15s;display:flex}.dropzone:hover,.dropzone--active{border-color:var(--accent);background:var(--surface-2)}.dropzone:focus-within{outline:2px solid var(--accent);outline-offset:2px}.dropzone--disabled{opacity:.5;cursor:not-allowed}.dropzone__title{font-weight:600}.dropzone__hint{color:var(--muted);font-size:.9rem}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.file-name{overflow-wrap:anywhere}.field{flex-direction:column;gap:8px;display:flex}.field__label{font-size:.95rem;font-weight:600}.field__value{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:400}.segmented{background:var(--surface);border:1px solid var(--border);border-radius:999px;align-self:flex-start;gap:4px;padding:4px;display:inline-flex}.segmented__option{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:999px;padding:8px 16px}.segmented__option--on{background:var(--accent);color:#fff}.segmented__option:disabled{cursor:not-allowed}.text-input{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);font:inherit;border-radius:10px;padding:12px 14px}.text-input:focus{outline:2px solid var(--accent);outline-offset:1px}.range{width:100%;accent-color:var(--accent)}.dual-range{height:32px;position:relative}.dual-range:before{content:"";background:var(--surface-2);border-radius:3px;height:6px;margin-top:-3px;position:absolute;top:50%;left:0;right:0}.dual-range__fill{background:var(--accent);border-radius:3px;height:6px;margin-top:-3px;position:absolute;top:50%}.dual-range input[type=range]{pointer-events:none;appearance:none;background:0 0;width:100%;margin:0;position:absolute;inset:0}.dual-range input[type=range]::-webkit-slider-thumb{pointer-events:auto;-webkit-appearance:none;border:3px solid var(--accent);cursor:pointer;background:#fff;border-radius:50%;width:22px;height:22px}.dual-range input[type=range]::-moz-range-thumb{pointer-events:auto;border:3px solid var(--accent);cursor:pointer;background:#fff;border-radius:50%;width:18px;height:18px}.dual-range input[type=range]::-webkit-slider-runnable-track{background:0 0}.dual-range input[type=range]::-moz-range-track{background:0 0}.progress{flex-direction:column;gap:6px;display:flex}.progress__text{color:var(--muted);font-variant-numeric:tabular-nums;justify-content:space-between;font-size:.9rem;display:flex}.progress__track{background:var(--surface-2);border-radius:4px;height:8px;overflow:hidden}.progress__bar{background:var(--accent);height:100%;transition:width .3s}.error-message{color:var(--danger);background:#ff6b6b1a;border:1px solid #ff6b6b66;border-radius:10px;margin:0;padding:12px 14px}.success{color:var(--success);margin:0;font-weight:600}.result-video{aspect-ratio:9/16;border-radius:var(--radius);border:1px solid var(--border);background:#000;width:100%;max-width:320px}.center-message{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:64px 0;display:flex}.preview__caption{text-align:center;color:#fff;text-shadow:0 0 .35cqw #000,0 0 .6cqw #000,.3cqw .3cqw #000;pointer-events:none;overflow-wrap:anywhere;font-size:7.4cqw;font-weight:800;line-height:1.15;position:absolute;bottom:29.2%;left:7.4%;right:7.4%}.preview__caption--pop{animation:.16s ease-out caption-pop}@keyframes caption-pop{0%{transform:scale(.7)}50%{transform:scale(1.12)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.preview__caption--pop{animation:none}}.captions{border-top:1px solid var(--border);padding-top:16px}.caption-list{flex-direction:column;gap:8px;max-height:320px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.caption-row{grid-template-columns:auto 1fr auto;align-items:center;gap:8px;display:grid}.caption-row__time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.85rem}.caption-row__input{padding:8px 10px}.button--small{padding:6px 12px;font-size:.85rem}.note{background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:10px;margin:0;padding:10px 12px}.progress__track--busy .progress__bar{animation:1.2s ease-in-out infinite progress-busy}@keyframes progress-busy{0%{transform:translate(-100%)}to{transform:translate(300%)}}