:root{color-scheme:light;--bt-primary-950:#172033;--bt-primary-900:#1f2a44;--bt-primary-800:#263654;--bt-primary-700:#31507a;--bt-primary-600:#3f6f9f;--bt-primary-500:#5d8fc0;--bt-primary-400:#84acd2;--bt-primary-300:#b0cbe3;--bt-primary-200:#d8e6f2;--bt-primary-100:#ebf3f9;--bt-primary-50:#f6f9fc;--bt-cyan:#3db6c6;--bt-cyan-soft:#e8f8fa;--bt-violet:#7766d8;--bt-violet-soft:#f0edff;--bt-green:#35a36b;--bt-green-soft:#e8f7ef;--bt-amber:#d9952f;--bt-amber-soft:#fff5df;--bt-rose:#cc6473;--bt-rose-soft:#fff0f3;--bt-page:#f7f9fc;--bt-surface:#fff;--bt-surface-soft:#f1f5f9;--bt-border:#dde5ee;--bt-border-strong:#c5d1df;--bt-text:#1f2937;--bt-text-soft:#64748b;--bt-text-faint:#94a3b8;--bt-success:#258457;--bt-warning:#b7791f;--bt-danger:#c44755;--bt-font-heading:"Manrope","Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--bt-font-body:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--bt-font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;--bt-space-1:.25rem;--bt-space-2:.5rem;--bt-space-3:.75rem;--bt-space-4:1rem;--bt-space-5:1.25rem;--bt-space-6:1.5rem;--bt-space-8:2rem;--bt-space-10:2.5rem;--bt-space-12:3rem;--bt-space-16:4rem;--bt-space-20:5rem;--bt-space-24:6rem;--bt-radius-sm:.6rem;--bt-radius-md:.9rem;--bt-radius-lg:1.25rem;--bt-radius-xl:1.75rem;--bt-radius-2xl:2.25rem;--bt-radius-pill:999px;--bt-shadow-xs:0 1px 2px #1e293b0d;--bt-shadow-sm:0 8px 24px #1e293b14;--bt-shadow-md:0 18px 46px #1e293b1c;--bt-shadow-lg:0 30px 80px #1e293b26;--bt-container:80rem;--bt-content:48rem;--bt-header-height:4.6rem;--bt-transition-fast:.15s ease;--bt-transition-base:.23s ease}html[data-theme=dark]{color-scheme:dark;--bt-page:#0f1622;--bt-surface:#151f2e;--bt-surface-soft:#1c2838;--bt-border:#2a394c;--bt-border-strong:#3c4f66;--bt-text:#f3f6fa;--bt-text-soft:#b4c0cf;--bt-text-faint:#8694a7;--bt-primary-100:#213247;--bt-primary-50:#172434;--bt-cyan-soft:#173438;--bt-violet-soft:#292447;--bt-green-soft:#1b3b2c;--bt-amber-soft:#3a2f1d;--bt-rose-soft:#3b252a}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;font-family:var(--bt-font-body);color:var(--bt-text);background:radial-gradient(circle at 10% 0%, #3db6c614, transparent 26rem), radial-gradient(circle at 90% 5%, #7766d812, transparent 22rem), var(--bt-page);-webkit-font-smoothing:antialiased;margin:0;line-height:1.65}img,svg,video,canvas{max-width:100%;display:block}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid color-mix(in srgb,var(--bt-primary-500) 35%,transparent);outline-offset:3px}.bt-container{width:min(calc(100% - 2rem),var(--bt-container));margin-inline:auto}.bt-section{padding-block:clamp(4rem,8vw,7rem)}.bt-section--compact{padding-block:clamp(2.5rem,5vw,4rem)}.bt-section--soft{background:var(--bt-surface-soft)}.bt-grid{gap:var(--bt-space-6);display:grid}.bt-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.bt-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}h1,h2,h3,h4{font-family:var(--bt-font-heading);color:var(--bt-primary-950);letter-spacing:-.035em;margin:0;line-height:1.08}html[data-theme=dark] h1,html[data-theme=dark] h2,html[data-theme=dark] h3,html[data-theme=dark] h4{color:var(--bt-text)}h1{letter-spacing:-.06em;font-size:clamp(3rem,8vw,5.8rem)}h2{font-size:clamp(2rem,5vw,3.4rem)}h3{font-size:clamp(1.2rem,2vw,1.45rem)}.bt-eyebrow{align-items:center;gap:var(--bt-space-2);margin-bottom:var(--bt-space-4);color:var(--bt-primary-700);letter-spacing:.13em;text-transform:uppercase;font-size:.78rem;font-weight:900;display:inline-flex}.bt-eyebrow:before{background:var(--bt-cyan);content:"";border-radius:50%;width:.55rem;height:.55rem;box-shadow:0 0 0 .35rem #3db6c624}.bt-lead{max-width:46rem;color:var(--bt-text-soft);font-size:clamp(1.08rem,2vw,1.24rem)}.bt-header{z-index:50;border-bottom:1px solid color-mix(in srgb,var(--bt-border) 75%,transparent);background:color-mix(in srgb,var(--bt-page) 88%,transparent);backdrop-filter:blur(18px);position:sticky;top:0}.bt-header__inner{min-height:var(--bt-header-height);justify-content:space-between;align-items:center;gap:var(--bt-space-6);display:flex}.bt-brand{align-items:center;gap:var(--bt-space-3);font-family:var(--bt-font-heading);font-size:1.22rem;font-weight:800;display:inline-flex}.bt-brand__mark{aspect-ratio:1;color:#fff;background:linear-gradient(135deg,var(--bt-primary-600),var(--bt-cyan));width:2.6rem;box-shadow:var(--bt-shadow-sm);border-radius:.85rem;place-items:center;display:grid}.bt-nav{gap:var(--bt-space-1);display:flex}.bt-nav__link{border-radius:var(--bt-radius-sm);color:var(--bt-text-soft);padding:.7rem .9rem;font-size:.92rem;font-weight:700}.bt-nav__link:hover,.bt-nav__link[aria-current=page]{color:var(--bt-primary-800);background:var(--bt-primary-100)}.bt-button{justify-content:center;align-items:center;gap:var(--bt-space-2);border-radius:var(--bt-radius-md);cursor:pointer;min-height:3rem;transition:transform var(--bt-transition-fast),box-shadow var(--bt-transition-fast);border:1px solid #0000;padding:.78rem 1.05rem;font-weight:800;display:inline-flex}.bt-button:hover{transform:translateY(-2px)}.bt-button--primary{color:#fff;background:linear-gradient(135deg,var(--bt-primary-600),var(--bt-primary-800));box-shadow:0 12px 28px #3f6f9f38}.bt-button--secondary{color:var(--bt-text);border-color:var(--bt-border);background:var(--bt-surface)}.bt-hero{padding-block:clamp(5rem,10vw,8rem);position:relative;overflow:hidden}.bt-hero__grid{z-index:1;grid-template-columns:minmax(0,1.1fr) minmax(20rem,.9fr);align-items:center;gap:clamp(2rem,7vw,6rem);display:grid;position:relative}.bt-hero__title span{color:var(--bt-primary-600)}.bt-trust-row{gap:var(--bt-space-4);margin-top:var(--bt-space-6);color:var(--bt-text-soft);flex-wrap:wrap;font-size:.9rem;font-weight:700;display:flex}.bt-search{align-items:center;gap:var(--bt-space-3);margin-top:var(--bt-space-8);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);background:var(--bt-surface);box-shadow:var(--bt-shadow-md);padding:.65rem .7rem .65rem 1rem;display:flex}.bt-search input{min-width:0;color:var(--bt-text);background:0 0;border:0;outline:0;flex:1}.bt-card{padding:var(--bt-space-6);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);background:var(--bt-surface);box-shadow:var(--bt-shadow-sm);transition:transform var(--bt-transition-base),box-shadow var(--bt-transition-base)}.bt-card:hover{box-shadow:var(--bt-shadow-md);transform:translateY(-5px)}.bt-card__icon{aspect-ratio:1;width:3.2rem;color:var(--bt-primary-800);background:var(--bt-primary-100);border-radius:1rem;place-items:center;font-size:1.4rem;display:grid}.bt-card h3{margin-top:var(--bt-space-5)}.bt-card p{margin-top:var(--bt-space-3);color:var(--bt-text-soft)}.bt-dropzone{border:2px dashed var(--bt-border-strong);border-radius:var(--bt-radius-2xl);background:radial-gradient(circle at 50% 20%, #3db6c614, transparent 18rem), var(--bt-surface);text-align:center;cursor:pointer;min-height:22rem;transition:border-color var(--bt-transition-base),transform var(--bt-transition-base),box-shadow var(--bt-transition-base);place-items:center;padding:clamp(2rem,5vw,4rem);display:grid}.bt-dropzone:hover,.bt-dropzone.is-dragover{border-color:var(--bt-cyan);box-shadow:var(--bt-shadow-md);transform:translateY(-2px)}.bt-dropzone__icon{aspect-ratio:1;width:5rem;color:var(--bt-primary-700);background:var(--bt-primary-100);border-radius:1.4rem;place-items:center;margin-inline:auto;font-size:2rem;display:grid}.bt-dropzone__title{margin-top:var(--bt-space-6);font-family:var(--bt-font-heading);font-size:1.5rem;font-weight:800}.bt-dropzone__copy{margin-top:var(--bt-space-2);color:var(--bt-text-soft)}.bt-dropzone__privacy{align-items:center;gap:var(--bt-space-2);margin-top:var(--bt-space-6);border-radius:var(--bt-radius-pill);color:var(--bt-success);background:var(--bt-green-soft);padding:.55rem .8rem;font-size:.9rem;font-weight:800;display:inline-flex}.bt-tool-panel{border:1px solid var(--bt-border);border-radius:var(--bt-radius-xl);background:var(--bt-surface);box-shadow:var(--bt-shadow-sm);padding:clamp(1.25rem,4vw,2.5rem)}.bt-form-grid{gap:var(--bt-space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.bt-field{gap:var(--bt-space-2);display:grid}.bt-field label{font-size:.9rem;font-weight:800}.bt-control{border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);width:100%;min-height:3.15rem;color:var(--bt-text);background:var(--bt-surface);padding:.78rem .9rem}.bt-file-list{gap:var(--bt-space-3);margin-top:var(--bt-space-6);display:grid}.bt-file-item{gap:var(--bt-space-4);padding:var(--bt-space-4);border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);background:var(--bt-surface-soft);grid-template-columns:4rem minmax(0,1fr) auto;align-items:center;display:grid}.bt-file-item__name{text-overflow:ellipsis;white-space:nowrap;font-weight:800;overflow:hidden}.bt-file-item__meta{color:var(--bt-text-soft);font-size:.9rem}.bt-batch-summary{gap:var(--bt-space-4);margin-top:var(--bt-space-6);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.bt-stat{padding:var(--bt-space-5);border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);background:var(--bt-surface)}.bt-stat__label{color:var(--bt-text-soft);font-size:.9rem;font-weight:700}.bt-stat__value{margin-top:var(--bt-space-2);font-family:var(--bt-font-heading);font-size:1.5rem;font-weight:800}.bt-progress{border-radius:var(--bt-radius-pill);background:var(--bt-border);height:.65rem;overflow:hidden}.bt-progress__bar{border-radius:inherit;background:linear-gradient(90deg,var(--bt-primary-500),var(--bt-cyan));height:100%}.bt-result{margin-top:var(--bt-space-8);border:1px solid color-mix(in srgb,var(--bt-success) 28%,var(--bt-border));border-radius:var(--bt-radius-xl);background:linear-gradient(135deg,var(--bt-green-soft),var(--bt-surface));padding:clamp(1.25rem,4vw,2rem)}.bt-privacy-box{gap:var(--bt-space-4);padding:var(--bt-space-5);border:1px solid color-mix(in srgb,var(--bt-success) 30%,var(--bt-border));border-radius:var(--bt-radius-lg);background:var(--bt-green-soft);grid-template-columns:auto 1fr;display:grid}.bt-footer{margin-top:var(--bt-space-20);padding-block:var(--bt-space-16) var(--bt-space-8);border-top:1px solid var(--bt-border);background:linear-gradient(180deg,var(--bt-surface),var(--bt-primary-50))}.bt-footer__grid{gap:var(--bt-space-10);grid-template-columns:1.4fr repeat(3,minmax(0,1fr));display:grid}.bt-footer__title{margin-bottom:var(--bt-space-4);letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;font-weight:900}.bt-footer__list{gap:var(--bt-space-3);color:var(--bt-text-soft);margin:0;padding:0;list-style:none;display:grid}.bt-footer__list a:hover{color:var(--bt-primary-700)}.bt-footer__bottom{justify-content:space-between;gap:var(--bt-space-4);margin-top:var(--bt-space-10);padding-top:var(--bt-space-5);border-top:1px solid var(--bt-border);color:var(--bt-text-faint);font-size:.88rem;display:flex}@media (width<=44rem){.bt-footer__bottom{flex-direction:column}}@media (width<=68rem){.bt-hero__grid{grid-template-columns:1fr}.bt-grid--4,.bt-grid--3,.bt-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-nav{display:none}.bt-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=44rem){.bt-container{width:min(calc(100% - 1.25rem),var(--bt-container))}.bt-grid--2,.bt-grid--3,.bt-grid--4,.bt-form-grid,.bt-footer__grid,.bt-batch-summary{grid-template-columns:1fr}.bt-button{width:100%}.bt-search{flex-direction:column;align-items:stretch}.bt-file-item{grid-template-columns:3.5rem minmax(0,1fr)}.bt-file-item>:last-child{grid-column:2}.bt-dropzone{min-height:18rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.visually-hidden{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.bt-menu-toggle{display:none}@media (width<=68rem){.bt-menu-toggle{aspect-ratio:1;border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);background:var(--bt-surface);width:2.8rem;color:var(--bt-text);cursor:pointer;place-items:center;display:grid}.bt-nav{padding:var(--bt-space-3);border:1px solid var(--bt-border);border-radius:0 0 var(--bt-radius-lg) var(--bt-radius-lg);background:var(--bt-surface);box-shadow:var(--bt-shadow-md);border-top:0;flex-direction:column;align-items:stretch;gap:.25rem;display:none;position:absolute;top:calc(100% + 1px);left:0;right:0}.bt-nav.is-open{display:flex}.bt-nav__link{width:100%}}.bt-header__actions{align-items:center;gap:var(--bt-space-2);display:flex}.bt-icon-btn{aspect-ratio:1;border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);background:var(--bt-surface);width:2.8rem;color:var(--bt-text);cursor:pointer;place-items:center;display:grid}.bt-page{width:min(calc(100% - 2rem),var(--bt-content));margin-inline:auto;padding-block:clamp(2.5rem,6vw,4rem) 5rem}.bt-content-block{margin-top:var(--bt-space-8)}.bt-content-block h2{margin-top:var(--bt-space-8);font-size:1.35rem}.bt-content-block h2:first-child{margin-top:0}.bt-content-block p{color:var(--bt-text-soft);margin-top:.85rem}.bt-content-block a{color:var(--bt-primary-700);font-weight:700;text-decoration:underline}.bt-content-block h3{margin-top:var(--bt-space-6);font-size:1.05rem}.bt-breadcrumbs{gap:var(--bt-space-2);margin-bottom:var(--bt-space-5);color:var(--bt-text-soft);flex-wrap:wrap;font-size:.88rem;display:flex}.bt-breadcrumbs a:hover{color:var(--bt-primary-700)}.bt-consent-banner{z-index:100;align-items:center;gap:var(--bt-space-4);max-width:60rem;padding:var(--bt-space-5) var(--bt-space-6);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);background:var(--bt-surface);box-shadow:var(--bt-shadow-lg);flex-wrap:wrap;margin-inline:auto;display:flex;position:fixed;bottom:1rem;left:1rem;right:1rem}.bt-consent-banner[hidden]{display:none}.bt-consent-banner__text{min-width:16rem;color:var(--bt-text-soft);flex:1;font-size:.9rem}.bt-consent-banner__actions{gap:var(--bt-space-2);flex-wrap:wrap;display:flex}.bt-task-grid{gap:var(--bt-space-3);grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.bt-task-chip{align-items:center;gap:var(--bt-space-2);padding:var(--bt-space-5) var(--bt-space-3);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);background:var(--bt-surface);color:var(--bt-text);text-align:center;transition:transform var(--bt-transition-base),box-shadow var(--bt-transition-base),border-color var(--bt-transition-base);flex-direction:column;font-size:.88rem;font-weight:700;display:flex}.bt-task-chip__icon{font-size:1.6rem}.bt-task-chip:hover{border-color:var(--bt-primary-300);box-shadow:var(--bt-shadow-sm);transform:translateY(-4px)}@media (width<=68rem){.bt-task-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=44rem){.bt-task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.bt-badge-soon{margin-top:var(--bt-space-5);border-radius:var(--bt-radius-pill);background:var(--bt-amber-soft);color:var(--bt-warning);align-items:center;padding:.35rem .7rem;font-size:.76rem;font-weight:800;display:inline-flex}.bt-card--disabled{cursor:default;opacity:.85}.bt-card--disabled:hover{box-shadow:var(--bt-shadow-sm);transform:none}.bt-hp-field{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.bt-btn-row{gap:var(--bt-space-3);flex-wrap:wrap;margin-top:.25rem;display:flex}.bt-button.is-loading{cursor:wait;opacity:.75}.bt-notice{padding:var(--bt-space-4);border-left:4px solid var(--bt-amber);border-radius:0 var(--bt-radius-md) var(--bt-radius-md) 0;background:var(--bt-amber-soft)}.bt-notice--success{border-left-color:var(--bt-success);background:var(--bt-green-soft)}#contact-success,#contact-error{margin-top:var(--bt-space-6)}.bt-page-shell{justify-content:center;align-items:stretch;gap:var(--bt-space-6);max-width:calc(var(--bt-container) + 2 * (160px + 1.5rem));margin:0 auto;display:flex}.bt-page-shell-main{min-width:0;max-width:var(--bt-container);flex:auto}.bt-ad-rail{width:160px;padding-top:var(--bt-space-8);flex:0 0 160px;display:none}.bt-ad-rail .bt-ad-slot{top:var(--bt-space-6);max-width:none;margin:0;padding:0;position:sticky}.bt-ad-slot-rail.bt-ad-slot-placeholder,.bt-ad-slot-rail.bt-ad-slot-live{min-height:600px}@media (width>=1180px){.bt-ad-rail{display:block}.bt-page-shell-main>.bt-ad-slot{display:none}}.bt-ad-slot{max-width:var(--bt-container);margin:var(--bt-space-8) auto;padding:0 var(--bt-space-6)}.bt-ad-slot-placeholder{border:1px dashed var(--bt-border);border-radius:var(--bt-radius-md);background:repeating-linear-gradient(45deg,var(--bt-surface-soft),var(--bt-surface-soft) 10px,var(--bt-surface) 10px,var(--bt-surface) 20px);min-height:90px;color:var(--bt-text-soft);flex-direction:column;justify-content:center;align-items:center;gap:.25rem;display:flex}.bt-ad-slot-label{letter-spacing:.06em;text-transform:uppercase;font-size:.7rem;font-weight:800}.bt-ad-slot-hint{font-size:.78rem}.bt-ad-slot-live{min-height:90px}#share-widget{z-index:500;position:fixed;top:50%;right:0;transform:translateY(-50%)}#share-btn{background:linear-gradient(135deg,var(--bt-primary-600),var(--bt-primary-800));color:#fff;cursor:pointer;border:none;border-radius:24px 0 0 24px;justify-content:center;align-items:center;width:48px;height:48px;padding:0;font-size:20px;display:flex;box-shadow:-2px 2px 10px #1720334d}#share-btn:hover{background:var(--bt-primary-800)}#share-menu{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:var(--bt-radius-md);box-shadow:var(--bt-shadow-lg);flex-direction:column;gap:2px;min-width:200px;padding:8px;display:none;position:absolute;top:50%;right:56px;transform:translateY(-50%)}#share-menu.open{display:flex}#share-menu a,#share-menu button{color:var(--bt-text);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;padding:9px 12px;font-family:inherit;font-size:14px;text-decoration:none;display:flex}#share-menu a:hover,#share-menu button:hover{background:var(--bt-primary-100)}@media (width<=640px){#share-btn{border-radius:21px 0 0 21px;width:42px;height:42px;font-size:18px}#share-menu{min-width:180px;right:48px}}