/* Biser / Original documents / 4.1 */
.qdoc-cover{background:#38151e;color:#faf5e6;padding:85px var(--pad) 0;display:grid;grid-template-columns:1.35fr 1fr;gap:45px 10%;position:relative;overflow:hidden}.qdoc-cover:before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 90% 20%,#83513833,transparent 65%);pointer-events:none}.qdoc-cover-copy,.qdoc-index,.qdoc-cover-meta{position:relative}.qdoc-cover-copy>.eyebrow{color:#d6b16d;font-size:9px}.qdoc-cover h1{font-size:clamp(70px,7.8vw,118px);line-height:.94;margin:27px 0 30px;font-weight:500;letter-spacing:-.035em}.qdoc-cover h1 em{font-family:'Cormorant Garamond',serif;color:#e7c482;white-space:nowrap;letter-spacing:-.055em}.qdoc-cover-copy>p{max-width:440px;font-size:14px;color:#e1d2c7;line-height:1.85}.qdoc-cover-copy>.button{margin-top:14px;font-size:11px}.qdoc-index{align-self:center;padding-top:10px}.qdoc-index>.eyebrow{font-size:9px;color:#d6b16d;margin-bottom:25px}.qdoc-index>a:not(.qdoc-spec-jump){display:grid;grid-template-columns:30px 1fr;gap:3px 15px;padding:22px 0;border-top:1px solid #faf5e630;align-items:baseline;transition:padding .25s,color .25s}.qdoc-index>a:hover{color:#e7c482;padding-left:8px}.qdoc-index>a>span{font-size:9px;opacity:.6}.qdoc-index strong{font:500 42px/1 'Sofia Sans Condensed',sans-serif;letter-spacing:-.02em}.qdoc-index small{grid-column:2;font-size:8px;letter-spacing:.1em;color:#d4bfb7}.qdoc-spec-jump{display:flex;justify-content:space-between;gap:20px;font-size:11px;border-top:1px solid #faf5e630;padding:23px 0}.qdoc-cover-meta{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #faf5e630;margin-top:15px;padding:23px 0;font-size:8px;letter-spacing:.12em;color:#d6bda7}
.qdoc-certificates{padding:100px var(--pad) 80px;background:#faf5e6}.qdoc-section-heading{display:grid;grid-template-columns:1.3fr 1fr;align-items:end;gap:40px 9%;margin-bottom:55px}.qdoc-section-heading h2{font-size:clamp(49px,5.7vw,86px);margin:24px 0 0;line-height:.96}.qdoc-section-heading h2 em{font-family:'Cormorant Garamond',serif}.qdoc-section-heading>p{font-size:13px;max-width:390px;line-height:1.9;margin:0 0 5px;color:#6a5551}.qdoc-section-heading .eyebrow{font-size:9px;color:#805530}.qdoc-certificate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.qdoc-certificate{min-width:0;scroll-margin-top:40px}.qdoc-certificate-top{display:flex;justify-content:space-between;gap:10px;font-size:8px;letter-spacing:.09em;padding:0 0 16px;border-bottom:1px solid #501b2426}.qdoc-paper{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1/1.27;padding:35px 38px 58px;background:#eae1cc;overflow:hidden;margin:0 0 30px}.qdoc-paper:before{content:'';position:absolute;inset:15px;border:1px solid #501b2418;pointer-events:none}.qdoc-paper img{position:relative;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 12px 10px #361a2426);transform:rotate(-2deg);transition:transform .45s,filter .45s}.qdoc-certificate:nth-child(2) .qdoc-paper{background:#e3e5d7}.qdoc-certificate:nth-child(2) .qdoc-paper img{transform:rotate(1.5deg)}.qdoc-certificate:nth-child(3) .qdoc-paper{background:#eadbd1}.qdoc-certificate:nth-child(3) .qdoc-paper img{transform:rotate(-1deg)}.qdoc-paper:hover img,.qdoc-paper:focus-visible img{transform:rotate(0) translateY(-5px);filter:drop-shadow(0 18px 15px #361a2430)}.qdoc-paper>span{position:absolute;bottom:20px;left:0;right:0;text-align:center;font-size:10px;font-weight:700;letter-spacing:.02em}.qdoc-certificate-info>.eyebrow{font-size:8px;min-height:15px;color:#87522d}.qdoc-certificate h3{font-size:clamp(38px,3.5vw,55px);line-height:1;letter-spacing:-.025em;margin:16px 0 20px;display:flex;gap:16px;align-items:baseline}.qdoc-certificate h3>small{font:11px/1.5 var(--body);color:#806a5e;letter-spacing:0}.qdoc-scope{font-size:12px;line-height:1.85;min-height:90px}.qdoc-certificate dl{margin:24px 0 18px;border-top:1px solid #501b2426}.qdoc-certificate dl>div{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-bottom:1px solid #501b2418;padding:14px 0}.qdoc-certificate dt{font-size:9px;line-height:1.6;color:#76635b}.qdoc-certificate dd{margin:0;font-size:10px;font-weight:700;line-height:1.65}.qdoc-condition{font-size:9px;line-height:1.8;color:#796961;min-height:50px}.qdoc-actions{display:flex;gap:15px;align-items:center;justify-content:space-between;margin-top:22px}.qdoc-actions>.e-link{font-size:10px;padding-bottom:6px}.qdoc-download{font-size:10px;font-weight:700;background:#e8dfc9;padding:12px 13px;white-space:nowrap;transition:background .2s}.qdoc-download:hover{background:#e0cd9f}.qdoc-footnote{font-size:10px;line-height:1.85;max-width:820px;padding-top:30px;margin:50px 0 0;border-top:1px solid #501b2420;color:#796961}
.qdoc-specifications{padding:95px var(--pad) 70px;background:#efe4cc}.qdoc-specifications .qdoc-section-heading{margin-bottom:45px}.qdoc-spec-row{display:grid;grid-template-columns:180px 1fr 210px;gap:45px;align-items:center;padding:40px 0;border-top:1px solid #501b2428}.qdoc-spec-preview{position:relative;display:flex;align-items:center;justify-content:center;height:235px;padding:15px 17px 32px;background:#ded3bd}.qdoc-spec-preview img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 5px 5px #361a241a);transition:transform .3s}.qdoc-spec-preview:hover img{transform:translateY(-4px)}.qdoc-spec-preview>span{position:absolute;bottom:9px;font-size:8px;font-weight:700}.qdoc-spec-copy>.eyebrow{font-size:8px;color:#806042}.qdoc-spec-copy h3{font-size:clamp(34px,3.5vw,52px);line-height:1.03;margin:20px 0;max-width:500px}.qdoc-spec-copy ul{padding:0;margin:20px 0;list-style:none;font-size:12px;color:#6a5551}.qdoc-spec-copy li{padding:5px 0 5px 15px;position:relative}.qdoc-spec-copy li:before{content:'';width:4px;height:4px;border-radius:50%;background:#936c35;position:absolute;left:0;top:14px}.qdoc-spec-copy>.e-link{font-size:10px}.qdoc-spec-actions{display:flex;flex-direction:column;gap:13px;align-items:center}.qdoc-spec-actions>.button{font-size:11px;min-width:100%;padding:16px}.qdoc-spec-actions>.e-link{font-size:11px}
.qdoc-reading-note{padding:90px var(--pad);display:grid;grid-template-columns:1fr 1fr;gap:25px 10%;background:#faf5e6}.qdoc-reading-note>.eyebrow{grid-column:1/-1;color:#805530;font-size:9px}.qdoc-reading-note h2{font-size:clamp(48px,4.5vw,70px);margin:0 0 25px}.qdoc-reading-note p{font-size:13px;max-width:420px;line-height:1.9}.qdoc-reading-note .button{font-size:11px;margin-top:15px}.qdoc-guide{padding-top:4px}.qdoc-guide h3{font:700 12px/1.5 var(--body);letter-spacing:0;margin-bottom:25px}.qdoc-guide details{border-top:1px solid #501b2425;padding:17px 0}.qdoc-guide summary{font:500 24px/1.2 'Sofia Sans Condensed';list-style:none;display:flex;justify-content:space-between;gap:18px;cursor:pointer;position:relative;padding-right:25px}.qdoc-guide summary::-webkit-details-marker{display:none}.qdoc-guide summary:after{content:'+';position:absolute;right:0;top:0;font:300 24px/1 'Sofia Sans Condensed'}.qdoc-guide details[open] summary:after{content:'−'}.qdoc-guide details p{font-size:12px;margin:18px 0 0}
.document-reader-open{overflow:hidden}.qdoc-reader{width:min(1100px,calc(100vw - 48px));height:calc(100dvh - 48px);max-width:none;max-height:none;margin:auto;padding:0;border:0;background:#eee8da;color:#38151e;overflow:hidden;box-shadow:0 25px 100px #0006}.qdoc-reader[open]{display:flex;flex-direction:column}.qdoc-reader::backdrop{background:#1c0a10d9;backdrop-filter:blur(7px)}.qdoc-reader-header{padding:21px 28px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:#faf5e6;flex-shrink:0}.qdoc-reader-header .eyebrow{font-size:8px;color:#866b48;margin-bottom:8px}.qdoc-reader-header h2{font-size:30px;line-height:1.05;letter-spacing:-.02em;margin:0}.qdoc-reader-header>button{border:1px solid #501b2440;background:none;padding:10px 18px;font-size:11px;flex-shrink:0}.qdoc-reader-toolbar{display:flex;align-items:center;justify-content:center;gap:24px;padding:13px 20px;border-block:1px solid #501b2425;background:#faf5e6;flex-shrink:0}.qdoc-reader-toolbar button,.qdoc-reader-toolbar>a{font-size:10px;border:0;background:none;padding:9px 0;line-height:1.4;font-weight:700}.qdoc-reader-toolbar>a{border-bottom:1px solid #501b2455}.qdoc-reader-paging{display:flex;align-items:center;gap:16px;margin-right:auto}.qdoc-reader-paging>span{min-width:45px;text-align:center;font-size:11px;font-variant-numeric:tabular-nums}.qdoc-reader-paging button:disabled{opacity:.3;cursor:default}.qdoc-reader-paging.is-single-page>button{display:none}.qdoc-reader-viewport{min-height:0;flex:1;overflow:auto;overscroll-behavior:contain;padding:24px;text-align:center;outline-offset:-4px}.qdoc-reader-viewport>img{display:block;max-width:100%;width:auto;height:auto;max-height:100%;margin:0 auto;background:white;box-shadow:0 4px 20px #25132120}.qdoc-reader.is-zoomed .qdoc-reader-viewport>img{width:1450px;max-width:none;max-height:none;margin:0 auto}.qdoc-reader-footer{padding:12px 24px;font-size:9px;text-align:center;color:#76665a;flex-shrink:0;background:#faf5e6}.qdoc-reader-error{padding:40px 25px;font-size:15px}.qdoc-reader-toolbar button:focus-visible,.qdoc-reader-toolbar a:focus-visible{outline-offset:2px}
@media(max-width:1050px){.qdoc-cover{gap:40px 6%;padding-top:65px}.qdoc-cover h1{font-size:8vw}.qdoc-index strong{font-size:36px}.qdoc-certificate-grid{gap:18px}.qdoc-paper{padding:25px 24px 48px}.qdoc-certificate h3{font-size:40px;gap:10px}.qdoc-certificate dl>div{grid-template-columns:1fr;gap:6px}.qdoc-certificate dt{font-size:9px}.qdoc-certificate dd{font-size:11px}.qdoc-scope{min-height:110px}.qdoc-actions{flex-direction:column;align-items:flex-start;gap:14px}.qdoc-spec-row{grid-template-columns:145px 1fr 185px;gap:25px}.qdoc-spec-preview{height:210px}.qdoc-spec-copy h3{font-size:40px}.qdoc-spec-copy ul{font-size:11px}.qdoc-section-heading{gap:30px}.qdoc-spec-actions>.button{font-size:10px}}
@media(max-width:760px){.qdoc-cover{grid-template-columns:1fr;padding-top:45px;gap:38px}.qdoc-cover h1{font-size:clamp(62px,11.8vw,88px)}.qdoc-cover-copy>p{max-width:500px;font-size:13px}.qdoc-index{display:grid;grid-template-columns:1fr 1fr 1fr;column-gap:18px;padding:0}.qdoc-index>.eyebrow{grid-column:1/-1;margin-bottom:18px}.qdoc-index>a:not(.qdoc-spec-jump){display:block;padding:17px 0}.qdoc-index>a>span{display:block;margin-bottom:10px}.qdoc-index strong{font-size:28px}.qdoc-index small{display:block;font-size:6px;line-height:1.7;margin-top:10px;letter-spacing:.06em}.qdoc-spec-jump{grid-column:1/-1;padding:18px 0 0;font-size:10px}.qdoc-spec-jump>span{display:inline!important;margin:0!important}.qdoc-cover-meta{margin:0;padding:20px 0;font-size:7px;gap:12px;flex-wrap:wrap}.qdoc-certificates,.qdoc-specifications{padding-block:65px}.qdoc-section-heading{grid-template-columns:1fr;gap:23px;margin-bottom:38px}.qdoc-section-heading h2{font-size:60px;margin-top:21px}.qdoc-section-heading>p{font-size:12px;max-width:470px}.qdoc-certificate-grid{grid-template-columns:1fr;gap:55px}.qdoc-certificate{max-width:540px;width:100%;margin:0 auto}.qdoc-paper{aspect-ratio:1.15;padding:22px 50px 46px;margin-bottom:25px}.qdoc-paper img{max-width:70%}.qdoc-certificate-top{font-size:8px}.qdoc-certificate h3{font-size:49px;margin:15px 0 18px}.qdoc-scope{min-height:0;font-size:13px;max-width:470px}.qdoc-certificate dl>div{grid-template-columns:1fr 1fr;gap:15px}.qdoc-condition{min-height:0;max-width:440px;font-size:10px}.qdoc-actions{flex-direction:row;justify-content:flex-start;gap:25px;margin-top:25px;align-items:center}.qdoc-footnote{font-size:10px;margin-top:45px;padding-top:25px}.qdoc-spec-row{grid-template-columns:115px 1fr;gap:25px;padding:35px 0}.qdoc-spec-preview{height:160px;padding:12px 15px 30px;align-self:start}.qdoc-spec-copy>.eyebrow{font-size:7px;line-height:1.8}.qdoc-spec-copy h3{font-size:35px;margin:15px 0}.qdoc-spec-copy ul{font-size:11px;margin:15px 0}.qdoc-spec-actions{grid-column:2;align-items:flex-start;margin-top:-5px}.qdoc-spec-actions>.button{min-width:0;font-size:10px}.qdoc-reading-note{grid-template-columns:1fr;padding-block:60px;gap:28px}.qdoc-reading-note>.eyebrow{font-size:8px}.qdoc-reading-note h2{font-size:55px}.qdoc-reading-note p{font-size:12px}.qdoc-guide{margin-top:15px}.qdoc-reader{width:calc(100vw - 24px);height:calc(100dvh - 24px)}.qdoc-reader-header{padding:18px;gap:20px}.qdoc-reader-header h2{font-size:24px}.qdoc-reader-header .eyebrow{font-size:6px;line-height:1.6}.qdoc-reader-header>button{padding:10px 12px;font-size:10px}.qdoc-reader-toolbar{gap:14px;padding:10px 16px;flex-wrap:wrap;justify-content:flex-start}.qdoc-reader-paging{margin-right:auto;gap:12px}.qdoc-reader-toolbar button,.qdoc-reader-toolbar>a{font-size:9px;min-height:36px;display:inline-flex;align-items:center;padding:5px 0}.qdoc-reader-viewport{padding:15px}.qdoc-reader-footer{font-size:8px;line-height:1.7;padding:10px 15px}.qdoc-reader.is-zoomed .qdoc-reader-viewport>img{width:1000px}}
@media(max-width:420px){.qdoc-cover h1{font-size:61px}.qdoc-cover h1 em{letter-spacing:-.06em}.qdoc-index strong{font-size:27px}.qdoc-index{column-gap:12px}.qdoc-section-heading h2{font-size:53px}.qdoc-paper{padding:25px 35px 48px;aspect-ratio:1/1.08}.qdoc-paper img{max-width:87%}.qdoc-certificate h3{font-size:45px}.qdoc-certificate dd{font-size:10px}.qdoc-spec-row{grid-template-columns:85px 1fr;gap:20px}.qdoc-spec-preview{height:125px;padding:9px 10px 25px}.qdoc-spec-copy h3{font-size:31px}.qdoc-spec-copy ul{font-size:10px}.qdoc-spec-copy li{padding-left:11px}.qdoc-spec-actions>.button{font-size:9px;padding:14px 13px}.qdoc-reading-note h2{font-size:52px}.qdoc-reader-header h2{font-size:21px}.qdoc-reader-toolbar{gap:8px 18px}.qdoc-reader-paging{width:calc(100% - 85px)}.qdoc-reader-toolbar>a{margin-right:12px}.qdoc-reader-footer{display:none}}
@media(prefers-reduced-motion:reduce){.qdoc-paper img,.qdoc-spec-preview img,.qdoc-index a{transition:none}.qdoc-paper:hover img,.qdoc-paper:focus-visible img,.qdoc-spec-preview:hover img{transform:none}}
@media print{.qdoc-reader{display:none!important}.qdoc-actions,.qdoc-spec-actions,.qdoc-cover,.qdoc-paper>span{display:none}.qdoc-certificates,.qdoc-specifications{padding:20px 0}.qdoc-certificate-grid{grid-template-columns:repeat(3,1fr)}.qdoc-certificate{break-inside:avoid}}

.qdoc-scope{font-size:13px}.qdoc-certificate dt{font-size:10px}.qdoc-certificate dd{font-size:11px}.qdoc-condition{font-size:10px}.qdoc-reader-toolbar button,.qdoc-reader-toolbar>a{font-size:12px}.qdoc-reader-paging>span{font-size:12px}.qdoc-reader-viewport{position:relative}.qdoc-reader-viewport.is-loading:before{content:'Зареждане на страницата…';position:absolute;top:40px;left:20px;right:20px;font-size:12px;color:#76574c}.qdoc-reader-viewport.is-loading>img{visibility:hidden}
@media(max-width:760px){.qdoc-reader-toolbar button,.qdoc-reader-toolbar>a{font-size:11px}.qdoc-reader-paging>span{font-size:11px}.qdoc-reader-paging{gap:12px}.qdoc-reader-toolbar{gap:10px 20px}.qdoc-reader-paging{width:calc(100% - 95px)}}