:root{--ink:#0a0b0d;--ink-soft:#1c1f24;--muted:#6b7280;--muted-2:#9aa1ab;--line:#e8e9ed;--line-strong:#d8dade;--bg:#f6f7f9;--card:#ffffff;--accent:#2f6bff;--accent-weak:#eef3ff;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink-soft);min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}main{max-width:560px;margin:0 auto;padding:56px 24px 64px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar-right{gap:16px}.brand,.topbar-right{display:inline-flex;align-items:center}.brand{gap:10px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff}.brand-name{font-size:16px;font-weight:650;letter-spacing:-.02em;color:var(--ink)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(10,11,13,.04),0 12px 32px -12px rgba(10,11,13,.08);padding:36px}.card-narrow{max-width:400px;margin:64px auto 0}h1{margin:0 0 10px;font-size:24px;font-weight:680;line-height:1.2;letter-spacing:-.025em;color:var(--ink)}.subtitle{margin:0 0 28px;color:var(--muted);font-size:14.5px;line-height:1.6}.lang-toggle{display:inline-flex;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;background:var(--card)}.lang-toggle button{background:transparent;border:none;cursor:pointer;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--muted);padding:5px 11px;transition:color .12s ease,background .12s ease}.lang-toggle button+button{border-left:1px solid var(--line-strong)}.lang-toggle button:hover{color:var(--ink)}.lang-toggle button.active{background:var(--ink);color:#fff}.credits-badge{font-size:12.5px;font-weight:600;color:var(--ink-soft);background:var(--card);border:1px solid var(--line-strong);border-radius:999px;padding:5px 12px;white-space:nowrap}.credits-badge.empty{color:#b42318;background:#fef3f2;border-color:#fdcdc7}.dropzone{border:1.5px dashed var(--line-strong);border-radius:12px;padding:44px 24px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease;background:#fcfcfd}.dropzone.dragover,.dropzone:hover{border-color:var(--accent);background:var(--accent-weak)}.dropzone.disabled{cursor:not-allowed;opacity:.55}.dropzone-icon{display:flex;justify-content:center;margin-bottom:14px;color:var(--muted-2)}.dropzone-text{font-size:14.5px;font-weight:550;color:var(--ink-soft);margin:0 0 4px}.dropzone-hint{font-size:12.5px;color:var(--muted);margin:0}input[type=file]{display:none}.file-pill{display:flex;align-items:center;gap:10px;padding:11px 14px;background:#fafafb;border:1px solid var(--line);border-radius:10px;margin-top:14px}.file-pill-icon{display:inline-flex;color:var(--muted)}.file-pill-name{flex:1 1;font-size:13.5px;font-weight:550;color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-pill-clear{background:none;border:none;cursor:pointer;color:var(--muted-2);font-size:18px;padding:2px 4px;line-height:1;border-radius:6px}.file-pill-clear:hover,.text-input{color:var(--ink)}.text-input{width:100%;padding:12px 14px;font-size:15px;background:var(--card);border:1px solid var(--line-strong);border-radius:10px;outline:none;transition:border-color .12s ease,box-shadow .12s ease}.text-input::placeholder{color:var(--muted-2)}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,107,255,.16)}.code-input{text-align:center;letter-spacing:.5em;font-size:22px;font-weight:600}button.primary{width:100%;margin-top:22px;padding:13px 20px;background:var(--ink);color:#fff;border:none;border-radius:10px;font-size:14.5px;font-weight:600;letter-spacing:-.01em;cursor:pointer;transition:background .15s ease,transform .05s ease}button.primary:hover:not(:disabled){background:#25282e}button.primary:active:not(:disabled){transform:translateY(1px)}button.primary:disabled{background:#c5c8cf;cursor:not-allowed}.link-button{display:inline-block;margin-top:16px;background:none;border:none;padding:0;color:var(--muted);font-size:13px;font-weight:500;cursor:pointer}.link-button:hover{color:var(--ink)}.status{margin-top:18px;padding:13px 15px;border-radius:10px;font-size:13.5px;line-height:1.55;border:1px solid transparent}.status.info{background:var(--accent-weak);color:#1d4ed8;border-color:#d7e2ff}.status.success{background:#ecfdf3;color:#027a48;border-color:#c4efd6}.status.error{background:#fef3f2;color:#b42318;border-color:#fdcdc7}.summary{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}.summary-item{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 13px;font-size:12.5px;color:var(--muted)}.summary-item strong{display:block;font-size:18px;font-weight:680;color:var(--ink);letter-spacing:-.02em}.footer{text-align:center;margin-top:28px;font-size:12px;line-height:1.6;color:var(--muted-2)}.muted{color:var(--muted)}.landing{max-width:940px;margin:0 auto;padding:28px 24px 64px}.landing-wide{max-width:1160px}.landing-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:64px}.landing-nav-right{gap:16px}.landing-nav-right,.nav-cta{display:inline-flex;align-items:center}.nav-cta{padding:8px 16px;background:var(--ink);color:#fff;border-radius:9px;font-size:13.5px;font-weight:600;text-decoration:none;transition:background .15s ease}.nav-cta:hover{background:#25282e}.hero{text-align:center;max-width:660px;margin:0 auto 72px}.hero-badge{display:inline-block;margin-bottom:22px;padding:6px 14px;background:var(--accent-weak);color:#1d4ed8;border:1px solid #d7e2ff;border-radius:999px;font-size:12.5px;font-weight:600}.hero-title{font-size:46px;line-height:1.08;letter-spacing:-.03em;font-weight:720;color:var(--ink);margin:0 0 20px}.hero-sub{font-size:17px;line-height:1.6;color:var(--muted);margin:0 auto 32px;max-width:560px}.hero-cta{display:inline-flex;align-items:center;padding:14px 30px;background:var(--ink);color:#fff;border-radius:11px;font-size:15.5px;font-weight:650;text-decoration:none;transition:background .15s ease,transform .05s ease}.hero-cta:hover{background:#25282e}.hero-cta:active{transform:translateY(1px)}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;margin-bottom:64px}.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}.step-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--ink);color:#fff;font-size:14px;font-weight:680;margin-bottom:16px}.step-title{margin:0 0 8px;font-size:16px;font-weight:640;letter-spacing:-.01em;color:var(--ink)}.step-body{margin:0;font-size:13.5px;line-height:1.6;color:var(--muted)}.landing-footer{text-align:center;font-size:13px;color:var(--muted-2);line-height:1.6}@media (max-width:720px){.steps{grid-template-columns:1fr}.hero-title{font-size:34px}}.nav-link{font-size:13.5px;font-weight:550;color:var(--muted);text-decoration:none;transition:color .12s ease}.nav-link:hover{color:var(--ink)}.brand-link{text-decoration:none}.plans{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px;margin-bottom:56px;align-items:stretch}.plan{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}.plan.featured{border-color:var(--ink);box-shadow:0 1px 2px rgba(10,11,13,.04),0 18px 40px -16px rgba(10,11,13,.18)}.plan-tag{position:absolute;top:-11px;left:26px;background:var(--ink);color:#fff;font-size:11px;font-weight:650;letter-spacing:.02em;padding:4px 10px;border-radius:999px}.plan-name{margin:0 0 14px;font-size:15px;font-weight:640;color:var(--ink-soft)}.plan-price{display:flex;align-items:baseline;gap:7px;margin-bottom:12px}.plan-amount{font-size:38px;font-weight:720;letter-spacing:-.03em;color:var(--ink);line-height:1}.plan-unit{font-size:13px;color:var(--muted-2)}.plan-docs{margin:0 0 6px;font-size:14px;color:var(--ink-soft)}.plan-docs strong{font-weight:680;color:var(--ink)}.plan-desc,.plan-perdoc{color:var(--muted)}.plan-desc{margin:0 0 20px;font-size:13px;line-height:1.55}.plan-features{list-style:none;margin:0 0 24px;padding:0;display:flex;flex-direction:column;gap:10px;flex:1 1}.plan-features li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-soft)}.plan-check{display:inline-flex;color:#027a48}.plan-cta{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:12px 20px;border-radius:10px;font-size:14px;font-weight:620;text-decoration:none}.plan-cta-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line-strong);transition:border-color .12s ease,background .12s ease}.plan-cta-ghost:hover{border-color:var(--ink);background:#fafafb}button.plan-cta{font-family:inherit;cursor:pointer}button.plan-cta:disabled{opacity:.6;cursor:not-allowed}@media (max-width:1000px){.plans{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.plans{grid-template-columns:1fr}}.gate{margin-top:4px}.sample{margin-top:16px;padding:16px 18px;background:#fcfcfd;border:1px solid var(--line);border-radius:12px}.sample-label{display:block;font-size:11.5px;font-weight:650;text-transform:uppercase;letter-spacing:.06em;color:var(--muted-2);margin-bottom:8px}.sample-text{margin:0 0 8px;font-size:14px;line-height:1.6;color:var(--ink-soft)}.sample-text:last-child{margin-bottom:0}.buy-pill{display:inline-flex;align-items:center;padding:5px 13px;background:var(--ink);color:#fff;border-radius:999px;font-size:12.5px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background .15s ease}.buy-pill:hover{background:#25282e}.buy-panel{margin-top:4px;text-align:center;padding:32px 28px;background:linear-gradient(180deg,var(--accent-weak),#fcfdff);border:1px solid #d7e2ff;border-radius:12px}.buy-title{margin:0 0 8px;font-size:18px;font-weight:680;letter-spacing:-.02em;color:var(--ink)}.buy-body{margin:0 auto 22px;max-width:340px;font-size:13.5px;line-height:1.6;color:var(--muted)}.buy-cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;background:var(--ink);color:#fff;border-radius:10px;font-size:14.5px;font-weight:620;text-decoration:none;transition:background .15s ease,transform .05s ease}.buy-cta:hover{background:#25282e}.buy-cta:active{transform:translateY(1px)}.review-hint{margin:14px 0 0;font-size:12.5px;line-height:1.55;color:#2f7d56}.modal-overlay{position:fixed;inset:0;background:rgba(10,11,13,.45);display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal-card{position:relative;width:100%;max-width:400px;background:var(--card);border-radius:var(--radius);box-shadow:0 20px 60px -16px rgba(10,11,13,.4);padding:32px}.modal-title{margin:0 0 10px;font-size:20px;font-weight:680;letter-spacing:-.02em;color:var(--ink)}.modal-close{position:absolute;top:14px;right:16px;background:none;border:none;cursor:pointer;color:var(--muted-2);font-size:22px;line-height:1;padding:4px}.modal-close:hover{color:var(--ink)}.spinner{display:inline-block;width:14px;height:14px;margin-right:8px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}@keyframes spin{to{transform:rotate(1turn)}}