:root{--primary:#4f46e5;--primary-hover:#4338ca;--background:#f8f9fd;--surface:#fff;--text:#20233c;--muted:#60667c;--border:#e3e6ef;--accent:#047857;--error:#b91c1c;--radius:24px;--shadow:0 16px 60px #35376b0c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--background);color:var(--text);font-family:Inter,"Avenir Next",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}button,input,select{font:inherit}button,a,select,summary{cursor:pointer}a{color:inherit;text-decoration:none}button{border:0}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto}.header{height:100px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:27px;font-weight:800;letter-spacing:-1.2px;min-height:44px}.brand-dot{color:var(--primary);margin-left:-8px}.brand-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--primary);color:#fff}.brand-icon svg{fill:currentColor;stroke:none;width:20px}.header nav{display:flex;gap:30px;font-size:14px;font-weight:600}.header nav a{display:flex;align-items:center;min-height:44px;color:var(--muted)}.header nav a:hover{color:var(--primary)}.header-tag{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:7px 13px;border-radius:30px}.hero{text-align:center;padding-top:48px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--primary);background:#eeedfc;border:1px solid #dedcf8;padding:8px 15px;border-radius:24px;font-size:11px;font-weight:750;letter-spacing:1.3px}.tiny-dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-2.8px;font-weight:750;margin:26px 0 20px;text-wrap:balance}h1 span{color:var(--primary)}.lead{color:var(--muted);font-size:18px;line-height:1.7;margin:0 0 36px}.download-card{max-width:760px;margin:auto;padding:30px 32px 0;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);scroll-margin-top:24px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.mini-label{font-size:10px;letter-spacing:1.8px;font-weight:750;color:var(--muted)}h2{font-size:28px;letter-spacing:-.9px;line-height:1.3;margin:8px 0 12px}.card-heading h2{font-size:21px;margin:4px 0 0}.format-pill{font-size:11px;font-weight:750;background:#eeedfc;color:var(--primary);padding:6px 12px;border-radius:8px}label{display:block;font-size:13px;font-weight:650;margin-bottom:8px}.input-row{display:flex;align-items:center;border:1px solid #cbd0df;border-radius:12px;padding:5px 6px 5px 16px;gap:12px;background:#fbfcff}.input-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.link-icon{color:#747b93;display:flex}input{width:100%;min-width:0;border:0;background:transparent;outline:none;min-height:44px;color:var(--text);font-size:14px}input::placeholder{color:#70768a}.paste{min-height:44px;padding:0 15px;border-radius:8px;background:#eceef5;color:#424961;font-size:13px;font-weight:650}.paste:hover{background:#e0e3ef}.hint{font-size:12px;color:var(--muted);margin:8px 0 0}.form-bottom{display:flex;gap:24px;justify-content:space-between;align-items:end;margin-top:24px}.quality{flex:1;min-width:0}select{width:100%;min-height:46px;padding:0 12px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:var(--surface);font-size:13px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;min-height:48px;background:var(--primary);color:#fff;font-size:14px;font-weight:650;border-radius:10px;transition:background .18s,box-shadow .18s}.primary:hover{background:var(--primary-hover);box-shadow:0 4px 14px #4f46e525}.primary:disabled{opacity:.6;cursor:wait}.card-note{display:flex;justify-content:center;align-items:center;gap:7px;border-top:1px solid var(--border);margin-top:26px;padding:16px 0;color:var(--muted);font-size:12px}.card-note svg{width:16px;height:16px}.benefits{display:flex;justify-content:center;gap:26px;font-size:12px;color:var(--muted);margin-top:22px}.benefits b{color:var(--accent);margin-right:5px}.how{padding-top:96px}.section-intro{text-align:center}.section-intro h2{font-size:34px;margin-top:10px}.section-intro p{color:var(--muted);font-size:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}.steps article{padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:16px}.step-number{display:grid;place-items:center;width:42px;height:42px;background:#eeedfc;color:var(--primary);font-size:13px;font-weight:750;border-radius:12px}.steps h3{font-size:17px;margin:18px 0 7px}.steps p{font-size:14px;color:var(--muted);margin:0;max-width:28ch}.faq{max-width:760px;padding-block:80px}.questions{margin-top:28px}details{border-bottom:1px solid var(--border)}summary{padding:20px 30px 20px 0;font-size:14px;font-weight:650;list-style:none;position:relative;min-height:48px}summary::-webkit-details-marker{display:none}summary::after{content:'+';position:absolute;right:4px;font-size:20px;color:var(--muted);top:14px}details[open] summary::after{content:'−'}details p{color:var(--muted);font-size:14px;max-width:65ch;margin:0 0 22px}footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0 36px;border-top:1px solid var(--border)}footer .brand{font-size:22px}footer p{font-size:11px;color:var(--muted);text-align:center;margin:0}footer>span{font-size:11px;color:var(--muted)}.error{color:var(--error);font-size:14px;padding:12px;background:#fef2f2;border-radius:8px;margin:18px 0 0}.progress{display:flex;align-items:center;gap:16px;padding:20px;background:#f5f3ff;margin-top:24px;border-radius:12px}.progress strong{font-size:14px}.progress p{font-size:12px;color:var(--muted);margin:2px 0}.spinner{width:24px;height:24px;border:3px solid #d9d5fb;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.result{display:grid;grid-template-columns:160px 1fr;gap:24px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}video{width:160px;height:230px;object-fit:contain;background:#171a2d;border-radius:12px}.result-content{align-self:center;min-width:0}.success-label{color:var(--accent);font-size:10px;letter-spacing:1px;font-weight:750}.result h3{font-size:18px;margin:8px 0;overflow-wrap:anywhere;line-height:1.4}.result-content>p{font-size:12px;color:var(--muted)}.skip{position:absolute;left:12px;top:-100px;background:var(--surface);padding:12px;z-index:10}.skip:focus{top:12px}@media(max-width:700px){.wrap{width:calc(100% - 32px)}.header{height:80px}.header-tag{display:none}.header nav{gap:14px;font-size:12px}.brand{font-size:23px}.hero{padding-top:32px}h1{letter-spacing:-1.6px}.lead{font-size:16px}.download-card{padding:24px 20px 0}.card-heading h2{font-size:18px}.form-bottom{flex-direction:column;gap:16px;align-items:stretch}.quality{width:100%}.benefits{gap:12px;flex-wrap:wrap}.steps{grid-template-columns:1fr;gap:14px}.steps article{padding:24px}.steps p{max-width:none}.how{padding-top:64px}.faq{padding-block:60px}footer{flex-direction:column;gap:12px}.result{grid-template-columns:120px 1fr;gap:16px}video{width:120px;height:190px}.result .primary{width:100%;padding:12px}.eyebrow{font-size:9px;letter-spacing:1px}.header nav a:last-child{display:none}}@media(max-width:390px){.result{grid-template-columns:1fr}video{width:100%;height:240px}.input-row{gap:7px;padding-left:10px}.paste{padding:0 10px}.lead br{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Guided download flow */
.wizard-steps{list-style:none;display:flex;gap:12px;padding:0 0 26px;margin:0 0 26px;border-bottom:1px solid var(--border)}.wizard-steps li{display:flex;align-items:center;gap:10px;flex:1;position:relative;color:var(--muted);font-size:13px;font-weight:650}.wizard-steps small{display:block;font-size:10px;font-weight:400;margin-top:2px}.wizard-number{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;border-radius:50%;background:#f0f1f6;border:1px solid var(--border);transition:background .25s,color .25s,box-shadow .25s}.wizard-steps [aria-current=step]{color:var(--primary)}.wizard-steps [aria-current=step] .wizard-number{background:var(--primary);border-color:var(--primary);color:white;box-shadow:0 0 0 5px #4f46e511}.wizard-steps .complete{color:var(--accent)}.wizard-steps .complete .wizard-number{background:#e5f6ef;border-color:#c5e6d7;color:var(--accent)}.wizard-panel{animation:step-in .38s cubic-bezier(.22,1,.36,1) both}.wizard-panel[data-step="2"]{animation-name:quality-in}.wizard-panel[data-step="3"]{animation-name:download-in}.wizard-panel.backwards{animation-name:step-back}.panel-intro{margin-bottom:24px}.panel-intro h3{font-size:24px;letter-spacing:-.7px;line-height:1.3;margin:8px 0}.panel-intro p{font-size:14px;color:var(--muted);margin:0}.wizard-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:26px}.back{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;background:transparent;padding:8px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:600}.back:hover{background:#eeedfc;color:var(--primary)}.link-summary{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#f7f8fc;border-radius:10px;font-size:12px;color:var(--muted);margin-bottom:22px}.link-summary span{overflow-wrap:anywhere;min-width:0}.quality-options{border:0;padding:0;margin:0}.quality-options legend{font-size:13px;font-weight:650;margin-bottom:10px}.quality-choice{display:flex;align-items:center;gap:14px;border:1px solid var(--border);border-radius:14px;padding:18px;position:relative;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s}.quality-choice:has(input:checked){border-color:var(--primary);background:#f5f3ff;box-shadow:0 0 0 1px var(--primary)}.quality-choice:has(input:focus-visible){outline:3px solid var(--primary);outline-offset:4px}.quality-choice input{position:absolute;opacity:0;min-height:0;width:1px;height:1px}.choice-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#eeedfc;color:var(--primary);font-weight:750;font-size:12px;flex-shrink:0}.quality-choice strong{display:block;font-size:14px}.quality-choice small{display:block;color:var(--muted);font-weight:400;font-size:12px;margin-top:3px}.choice-check{width:18px;height:18px;border:1px solid #9096a9;border-radius:50%;margin-left:auto;flex-shrink:0}.quality-choice:has(input:checked) .choice-check{border:5px solid var(--primary);background:white}.restart{margin:22px auto 0;display:flex}.result{animation:download-in .4s ease both}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.primary:active,.paste:active,.back:active{filter:brightness(.92)}@keyframes step-in{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}@keyframes quality-in{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes download-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes step-back{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}@media(max-width:500px){.wizard-steps{gap:8px}.wizard-steps li{gap:7px;font-size:11px}.wizard-steps small{display:none}.wizard-number{width:30px;height:30px}.panel-intro h3{font-size:21px}.wizard-actions{flex-wrap:wrap}.wizard-actions>.hint{width:100%}.wizard-actions #next{width:100%}.quality-choice{padding:14px;gap:10px}.quality-choice small{font-size:11px}.choice-icon{width:36px;height:36px}.wizard-actions .primary{flex:1}}@media(prefers-reduced-motion:reduce){.wizard-panel,.result{animation:none}.wizard-number,.quality-choice{transition:none}}
/* Usability refinements */
input{font-size:16px}.hero{padding-top:28px}.hero h1{font-size:clamp(34px,4.5vw,54px)}.lead{margin-bottom:26px}.link-summary{flex-wrap:wrap}.link-summary>span{flex:1}.link-summary .back{font-size:12px;flex-shrink:0}.clear-url{margin-top:4px;padding-left:0;font-size:12px}.download-help{font-size:13px;line-height:1.6;color:var(--muted);max-width:42ch}.panel-intro h3{scroll-margin-top:24px;text-wrap:balance}.panel-intro h3:focus{outline:none}.wizard-actions{margin-top:20px}.quality-choice:has(input:disabled){cursor:wait}.quality-choice{min-width:0}.quality-choice>span:nth-of-type(2){min-width:0}.primary,.back,.paste,summary{touch-action:manipulation}.error{scroll-margin-top:24px}#progress-message{max-width:48ch}.header nav a:last-child{display:flex}@media(max-width:500px){.header nav a:last-child{display:none}.hero{padding-top:16px}.hero h1{margin:20px 0 16px}.lead{font-size:15px}.eyebrow{padding:6px 10px}.link-summary .back{width:100%;justify-content:flex-start;padding-left:0}.wizard-actions{gap:10px}.result-content .primary{font-size:14px}.download-card{padding-top:20px}.wizard-steps{padding-bottom:20px;margin-bottom:20px}.panel-intro{margin-bottom:18px}}
.download-type{border:0;padding:0;margin:0 0 24px}.download-type legend{font-size:13px;font-weight:650;margin-bottom:10px}.type-options{display:flex;gap:12px}.type-options label{display:flex;align-items:center;gap:8px;flex:1;padding:14px;border:1px solid var(--border);border-radius:12px;cursor:pointer;margin:0;font-size:13px}.type-options input{width:18px;min-height:18px;accent-color:var(--primary);flex-shrink:0}.type-options label:has(:checked){border-color:var(--primary);background:#f5f3ff}.type-options span{font-size:10px;color:var(--muted);margin-left:auto}.audio-result{grid-template-columns:1fr}.audio-result audio{width:100%;margin-top:8px}.audio-result .result-content{width:100%}@media(max-width:500px){.type-options{flex-direction:column}}

/* Futuristic preparation state: indeterminate, no fabricated percentages. */
.future-loader{--neon:#8b9fff;--cyan:#67e8f9;display:flex;flex-direction:column;gap:0;position:relative;overflow:hidden;isolation:isolate;background:#11182e;color:#f1f5ff;border:1px solid #33456b;border-radius:20px;padding:28px 24px 12px;min-height:330px;text-align:center;box-shadow:inset 0 0 60px #4f46e512}.loader-art{width:180px;height:180px;position:relative;display:grid;place-items:center;margin:0 auto 12px}.loader-grid{position:absolute;inset:-30px;background-image:linear-gradient(#839bce12 1px,transparent 1px),linear-gradient(90deg,#839bce12 1px,transparent 1px);background-size:24px 24px;mask-image:radial-gradient(ellipse,black 25%,transparent 70%)}.orbit{position:absolute;border-radius:50%;animation:orbit-turn 9s linear infinite}.orbit-outer{inset:5px;border:1px dashed #8b9fff66;border-top:2px solid var(--cyan);border-bottom:2px solid var(--neon)}.orbit-middle{inset:22px;border:2px solid transparent;border-right-color:var(--neon);border-left-color:var(--cyan);animation-direction:reverse;animation-duration:5s}.orbit-inner{inset:38px;border:1px solid #8b9fff38;border-top:2px solid var(--neon);animation-duration:3s}.loader-core{display:grid;place-items:center;width:70px;height:70px;border-radius:22px;background:linear-gradient(145deg,#384582,#202954);border:1px solid #9badff70;box-shadow:0 0 32px #6375ec45,inset 0 0 20px #93a4ff20;animation:core-breathe 3s ease-in-out infinite;color:var(--cyan)}.loader-core svg{width:30px;height:30px}.orbit-particle{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}.particle-one{top:12px;left:47px}.particle-two{bottom:22px;right:29px;background:var(--neon)}.loader-copy{position:relative;max-width:440px}.loader-label{display:block;font-size:11px;color:#aab8dc;letter-spacing:.6px;margin-bottom:7px}.future-loader strong{display:block;font-size:18px;line-height:1.4;font-weight:650;color:#f1f5ff}.future-loader p{color:#bac6e3;font-size:13px;line-height:1.6;margin:10px auto 0}.loader-track{height:3px;width:min(240px,80%);margin:22px auto 8px;background:#354265;border-radius:6px;overflow:hidden}.loader-track span{display:block;width:45%;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--neon),var(--cyan));animation:scan-pass 2.8s ease-in-out infinite}.loader-motion{background:transparent;color:#bac6e3;font-size:11px;min-height:44px;padding:8px 14px;border-radius:8px}.loader-motion:hover{background:#ffffff0d;color:white}.effects-paused *{animation-play-state:paused!important}@keyframes orbit-turn{to{transform:rotate(360deg)}}@keyframes core-breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.06);opacity:1}}@keyframes scan-pass{0%{transform:translateX(-110%)}100%{transform:translateX(330%)}}@media(max-width:500px){.future-loader{padding:20px 16px 8px}.loader-art{width:150px;height:150px}.future-loader strong{font-size:16px}}@media(prefers-reduced-motion:reduce){.future-loader *{animation:none!important}.loader-motion{display:none}.loader-track span{width:100%;opacity:.7}}