:root{--brand-indigo:#4f46e5;--brand-blue:#2563eb;--brand-gradient:linear-gradient(to right, var(--brand-indigo), var(--brand-blue));--text-strong:#111827;--text-body:#374151;--text-muted:#6b7280;--surface:#ffffff;--border:#e5e7eb;--border-strong:#d1d5db;--danger:#dc2626;--radius-sm:.5rem;--radius-md:.75rem;--radius-lg:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px rgba(16, 24, 40, .05);--shadow-md:0 4px 6px -1px rgba(16, 24, 40, .07),0 2px 4px -2px rgba(16, 24, 40, .05);--shadow-lg:0 12px 24px -6px rgba(16, 24, 40, .12);--container:56rem;--header-height:4.25rem;--font-sans:'Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif}
*,::after,::before{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:1rem;line-height:1.6;color:var(--text-body);background-color:#f1f5f9;background-image:linear-gradient(to bottom right,#f8fafc,#f1f5f9);background-attachment:fixed;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;color:var(--text-strong);line-height:1.25}
p{margin:0}
a{color:inherit;text-decoration:none}
ol,ul{margin:0;padding:0;list-style:none}
svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid var(--brand-indigo);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,::after,::before{animation-duration:NaNs!important;animation-iteration-count:1!important;transition-duration:NaNs!important}
}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:1rem}
.section{padding-block:1rem;scroll-margin-top:calc(var(--header-height) + 1rem)}
.section:first-of-type{padding-top:2.5rem}
.section:last-of-type{padding-bottom:2.5rem}
.card{background-color:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:2rem}
.section__title{font-size:1.5rem;font-weight:700;margin-bottom:1.75rem}
.prose{display:grid;gap:1rem}
.site-header{position:sticky;top:0;z-index:50;background-color:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--header-height)}
.logo{font-size:1.375rem;font-weight:700;color:var(--text-strong);letter-spacing:-.01em}
.logo__accent{background-image:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.site-nav__link{font-weight:500;color:var(--text-body);transition:color .2s}
.site-nav__link:hover{color:var(--brand-indigo)}
.downloader__card{text-align:center}
.downloader__title{font-size:2rem;font-weight:700;margin-bottom:2rem}
.downloader__form{display:flex;gap:.75rem;scroll-margin-top:calc(var(--header-height) + 1.5rem)}
.field{position:relative;display:flex;flex:1 1 auto;min-width:0}
.field__input{width:100%;padding:1rem 3rem 1rem 1rem;font:inherit;color:var(--text-strong);background-color:var(--surface);border:2px solid var(--border-strong);border-radius:var(--radius-sm);transition:border-color .2s,box-shadow .2s}
.field__input::placeholder{color:var(--text-muted)}
.field__input:focus{outline:0;border-color:var(--brand-indigo);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.field__clear{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;padding:.3125rem;color:var(--text-muted);background:0 0;border:0;border-radius:var(--radius-full);cursor:pointer;transition:color .2s,background-color .2s}
.field__clear:hover{color:var(--text-body);background-color:#f3f4f6}
.field__clear[hidden]{display:none}
.btn{font:inherit;font-weight:600;border:0;border-radius:var(--radius-sm);cursor:pointer;transition:box-shadow .2s,transform .1s,opacity .2s}
.btn--primary{flex:0 0 auto;padding:1rem 2rem;color:#fff;background-image:var(--brand-gradient)}
.btn--primary:hover{box-shadow:var(--shadow-lg)}
.btn--primary:active{transform:translateY(1px)}
.btn--primary:disabled{opacity:.65;cursor:not-allowed;box-shadow:none}
.form-error{margin-top:.75rem;font-size:.875rem;font-weight:500;text-align:center;color:var(--danger)}
.form-error[hidden]{display:none}
.card-api{position:relative;max-width:600px;margin:2rem auto 0}
.card-api[hidden]{display:none}
.card-api iframe{display:block;width:100%;min-height:150px;border:0}
.card-api.is-loading iframe{visibility:hidden}
.card-api__loader{display:none}
.card-api.is-loading .card-api__loader{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:.625rem;font-weight:500;color:var(--text-muted)}
.spinner{width:1.125rem;height:1.125rem;border:2px solid var(--border-strong);border-top-color:var(--brand-indigo);border-radius:var(--radius-full);animation:.7s linear infinite spin}
@keyframes spin{
to{transform:rotate(360deg)}
}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.feature{display:flex;gap:1rem}
.feature__icon{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:3rem;height:3rem;padding:.75rem;border-radius:var(--radius-md)}
.feature__icon--indigo{color:var(--brand-indigo);background-color:#e0e7ff}
.feature__icon--blue{color:var(--brand-blue);background-color:#dbeafe}
.feature__icon--green{color:#059669;background-color:#d1fae5}
.feature__icon--purple{color:#7c3aed;background-color:#ede9fe}
.feature__icon--amber{color:#d97706;background-color:#fef3c7}
.feature__icon--red{color:var(--danger);background-color:#fee2e2}
.feature__title,.step__title{font-size:1.125rem;font-weight:600;margin-bottom:.375rem}
.feature__text,.step__text{color:var(--text-muted)}
.steps{display:grid;gap:1.5rem}
.step{display:flex;gap:1rem}
.step__number{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;font-weight:700;color:#fff;background-image:var(--brand-gradient);border-radius:var(--radius-full)}
.faq__item{border-bottom:1px solid var(--border)}
.faq__item:last-child{border-bottom:0}
.faq__question{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 0;font-weight:500;color:var(--text-strong);cursor:pointer;list-style:none;transition:color .2s}
.faq__heading{font-family:inherit;font-size:1.125rem;font-weight:600;line-height:inherit;color:inherit}
.faq__question::-webkit-details-marker{display:none}
.faq__question:hover{color:var(--brand-indigo)}
.faq__chevron{flex:0 0 auto;width:1.125rem;height:1.125rem;transition:transform .3s}
.faq__item[open] .faq__chevron{transform:rotate(180deg)}
.faq__answer{padding-bottom:1.25rem;color:var(--text-muted)}
.legal__title{font-size:2rem;font-weight:700;margin-bottom:1.5rem}
.legal__heading{font-size:1.125rem;font-weight:600;margin-top:2rem;margin-bottom:.75rem}
.legal p+p{margin-top:1rem}
.legal__list{list-style:disc inside;margin:1rem 0;padding-left:0}
.legal__list li{margin-bottom:.375rem}
.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-height:100vh;min-height:100svh;padding:1.5rem;text-align:center}
.error-page__code{font-size:3.5rem;font-weight:700;line-height:1;background-image:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.error-page__title{font-size:1.25rem;font-weight:600}
.error-page__link{margin-top:.5rem;font-weight:500;color:var(--brand-indigo)}
.error-page__link:hover{text-decoration:underline}
.site-footer{margin-top:3rem;padding-block:2rem;background-color:var(--surface);border-top:1px solid var(--border)}
.site-footer__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.875rem;color:var(--text-muted)}
.site-footer__links{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem 1.5rem}
.site-footer a{transition:color .2s}
.site-footer a:hover{color:var(--brand-indigo)}
@media (max-width:48rem){
.features{grid-template-columns:minmax(0,1fr)}
.downloader__title{font-size:1.75rem}
.section__title{font-size:1.375rem}
}
@media (max-width:40rem){
.card{padding:1.5rem}
.downloader__form{flex-direction:column}
.btn--primary{width:100%}
.site-footer__inner{flex-direction:column;text-align:center}
}