/* =========================================
   Variablen / Tokens
   ========================================= */
:root{
    --page-bg:#000; --text:#fff; --muted:rgba(255,255,255,.7);
    --border:rgba(255,255,255,.10); --glass:rgba(255,255,255,.06);
    --noise-texture:url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABWGMH/AAAAP0lEQVR4Ae3QsQ0AIBDEsN3/0yQkGJkW0J2h4r1Yw1k9VwK8k7YkQwAAQPr3nq4m6b1rV3cC7q4gB8v6k6gQAAQGg0b8lL3Q3g6w7kzV0P3gAAAABJRU5ErkJggg==');

    /* Glas (Header & Hero-Overlay) */
    --nav-blur: 16px;
    --nav-alpha: .50;
    --nav-alpha-scrolled: .68;
    --nav-border: rgba(255,255,255,.12);

    /* Glas-Button */
    --btnG-blur: 14px;
    --btnG-alpha: .08;
    --btnG-alpha-press: .12;
    --btnG-border: rgba(255,255,255,.28);
    --btnG-border-hover: rgba(255,255,255,.45);
    --btnG-shadow: 0 8px 22px rgba(0,0,0,.40);

    /* Kachel */
    --tile-radius: 20px;
}

/* =========================================
   Base / Utilities
   ========================================= */
*{ box-sizing:border-box }

html,body{
    background:var(--page-bg); color:var(--text);
    font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}

.text-white-75{ color:var(--muted)!important }
.text-black-100{ color:#000 }
.border-white-10{ border-color:var(--border)!important }
.display-4{ font-weight:800 }
.fw-800{ font-weight:800!important }
.fw-700{ font-weight:700!important }
.section-pad{ padding:5rem 0 }

.placeholder-img{
    background-image:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
    border:1px solid var(--border);
}

#hero{ padding-top:3rem; padding-bottom:3rem }
@media (min-width:992px){
    #hero{ padding-top:5rem; padding-bottom:6rem }
}

/* Optional: Hintergrundblobs */
.liquid-bg{
    position:fixed; inset:-20vmax; z-index:-1;
    filter:blur(40px) saturate(160%);
    background:
            radial-gradient(35vmax 35vmax at 10% 20%, rgba(140,140,255,.18), transparent 60%),
            radial-gradient(30vmax 30vmax at 80% 10%, rgba(255,140,200,.14), transparent 60%),
            radial-gradient(40vmax 40vmax at 70% 80%, rgba(140,255,200,.12), transparent 60%),
            radial-gradient(28vmax 28vmax at 20% 80%, rgba(255,220,140,.10), transparent 60%);
    animation:floatBlob 28s ease-in-out infinite alternate; pointer-events:none;
}
@keyframes floatBlob{
    0%{ transform:translate3d(0,0,0) scale(1) }
    100%{ transform:translate3d(-3vw,2vh,0) scale(1.05) }
}

/* =========================================
   Header: Glas
   ========================================= */
header.py-3.position-sticky.top-0.z-3{
    background:
            linear-gradient(180deg, rgba(0,0,0,.70), rgba(0,0,0,.78)),
            linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0) 55%, rgba(0,0,0,.12) 100%) !important;
    backdrop-filter: blur(22px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(22px) saturate(160%) !important;
    border-bottom: 1px solid rgba(255,255,255,.12) !important;
    box-shadow: 0 10px 30px rgba(0,0,0,.45);
}
header.py-3.position-sticky.top-0.z-3 .nav-link{ color:#fff; opacity:.9 }
header.py-3.position-sticky.top-0.z-3 .nav-link:hover,
header.py-3.position-sticky.top-0.z-3 .nav-link:focus{ opacity:1 }
header.py-3.position-sticky.top-0.z-3 .navbar-toggler,
header.py-3.position-sticky.top-0.z-3 .btn{ border-color: rgba(255,255,255,.12) }
header.py-3.position-sticky.top-0.z-3 img{ height:36px; width:auto !important }
header.py-3.position-sticky.top-0.z-3 .brand-logo::after{ display:none !important }

/* =========================================
   Glas-Button
   ========================================= */
.btn-contact-glass{
    display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
    padding:.7rem 1.2rem; border-radius:999px; font-weight:600; color:#fff !important; text-decoration:none;
    background:
            linear-gradient(180deg, rgba(255,255,255,var(--btnG-alpha)), rgba(0,0,0,.18)),
            linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0) 55%, rgba(0,0,0,.12) 100%);
    border:1px solid var(--btnG-border) !important;
    backdrop-filter: blur(var(--btnG-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--btnG-blur)) saturate(180%);
    box-shadow: inset 0 1px rgba(255,255,255,.35), inset 0 -1px rgba(0,0,0,.45), var(--btnG-shadow);
    position:relative; isolation:isolate; overflow:hidden;
}
.btn-contact-glass::before,
.btn-contact-glass::after{
    content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
}
.btn-contact-glass::before{
    background:
            radial-gradient(120% 120% at 30% -30%, rgba(255,255,255,.18), transparent 55%),
            radial-gradient(140% 140% at 110% 40%, rgba(160,200,255,.14), transparent 60%);
    mix-blend-mode: screen; opacity:.85;
}
.btn-contact-glass::after{
    background-image: var(--noise-texture);
    mix-blend-mode: overlay; opacity:.25;
}
.btn-contact-glass:hover,
.btn-contact-glass:focus{
    background:
            linear-gradient(180deg, rgba(255,255,255,var(--btnG-alpha-press)), rgba(0,0,0,.20)),
            linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0) 55%, rgba(0,0,0,.14) 100%);
    border-color: var(--btnG-border-hover) !important;
    box-shadow: inset 0 1px rgba(255,255,255,.45), inset 0 -1px rgba(0,0,0,.50), 0 10px 26px rgba(0,0,0,.48);
}
.btn.btn-contact-glass.btn-outline-light{ color:#fff; background:none; border-color:var(--btnG-border) }

/* =========================================
   Hero-Kachel: volle Spaltenhöhe
   ========================================= */
#hero .tile-glass{
    position: relative; display: block;
    height: 100%;
    min-height: 380px;
    border-radius: var(--tile-radius); overflow: hidden;
    background:#0b0b0b; border:1px solid var(--nav-border);
    box-shadow: 0 22px 60px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.18), inset 0 -1px rgba(0,0,0,.45);
}
#hero .tile-glass > img{
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block;
    transition: transform .5s cubic-bezier(.2,.8,.2,1), opacity .35s ease;
}
/* Glas-Overlay wie Header – initial unsichtbar */
#hero .tile-glass::before{
    content:""; position:absolute; inset:0; z-index:1; pointer-events:none; border-radius: inherit;
    background:
            linear-gradient(180deg, rgba(0,0,0, var(--nav-alpha)), rgba(0,0,0, calc(var(--nav-alpha)+ .06))),
            linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0) 55%, rgba(0,0,0,.10) 100%);
    backdrop-filter: blur(var(--nav-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(160%);
    opacity:0; transition: opacity .28s ease;
}
/* Textlayer */
#hero .tile-overlay{
    position:absolute; inset:0; z-index:2; display:flex; align-items:center; justify-content:center;
    padding: clamp(1rem, 3vw, 2rem); text-align:left; color:#fff;
    opacity:0; transform: translateY(6px);
    transition: opacity .28s ease, transform .28s ease;
}
#hero .tile-overlay .tile-copy{ max-width:34ch }
#hero .tile-overlay h3{ margin:0; color:#000 }

/* Hover-Interaktion */
#hero .hover-reveal:hover::before,
#hero .hover-reveal:focus-visible::before{ opacity:1; }
#hero .hover-reveal:hover .tile-overlay,
#hero .hover-reveal:focus-visible .tile-overlay{ opacity:1; transform:none; }
#hero .hover-reveal:hover > img{ transform:scale(1.03); opacity:.92; }

/* Touch: Overlay NICHT automatisch sichtbar – erst bei .active */
@media (hover:none){
    #hero .tile-glass::before{ opacity:0 }
    #hero .tile-overlay{ opacity:0; transform:translateY(6px) }
    #hero .tile-glass.active::before{ opacity:1 }
    #hero .tile-glass.active .tile-overlay{ opacity:1; transform:none }
}
@media (max-width: 575.98px){
    #hero .tile-glass{ min-height:320px }
}

/* =========================================
   Footer: Copyright mittig
   ========================================= */
.site-footer .container{ position:relative; padding-bottom:2.25rem }
.site-footer .container .col-md-4 > p.small.text-white-50.mb-0{
    position:absolute; left:50%; transform:translateX(-50%);
    bottom:.5rem; margin:0; text-align:center; width:max-content; white-space:nowrap; pointer-events:none;
}
@media (max-width: 991.98px){
    .site-footer .container{ padding-bottom:0 }
    .site-footer .container .col-md-4 > p.small.text-white-50.mb-0{
        position:static; transform:none; width:100%; white-space:normal; pointer-events:auto; margin-top:1rem; text-align:center;
    }
}
.footer-brand svg, .footer-brand .logo-svg{ width:min(22vw,220px); height:auto; display:block }
.icon-16{ width:16px; height:16px; display:inline-block; color:rgba(255,255,255,.7) }
.site-footer .small{ line-height:1.5 }
.site-footer address{ color:rgba(255,255,255,.7) }
.site-footer a.link-light:hover{ text-decoration:underline; text-underline-offset:2px }

/* =========================================
   Universelle Glas-Kacheln (dezent)
   ========================================= */
.glass-card{
    position: relative; border-radius: var(--tile-radius); overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 22px 60px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.18), inset 0 -1px rgba(0,0,0,.45);
}
.glass-card::before{
    content:""; position:absolute; inset:-1px; pointer-events:none; border-radius:inherit;
    mix-blend-mode: screen; opacity:.9;
    background:
            radial-gradient(60% 80% at 10% 20%, rgba(160,195,255,.18), transparent 55%),
            radial-gradient(70% 80% at 90% 15%, rgba(255,170,230,.16), transparent 55%),
            radial-gradient(80% 80% at 12% 95%, rgba(120,245,205,.16), transparent 55%),
            radial-gradient(80% 80% at 98% 92%, rgba(255,210,135,.14), transparent 60%),
            radial-gradient(120% 140% at 50% 120%, rgba(120,100,255,.12), transparent 60%);
}
.glass-card::after{
    content:""; position:absolute; inset:0; pointer-events:none; border-radius:inherit;
    background-image: var(--noise-texture);
    mix-blend-mode: overlay; opacity:.25;
}
.glass-frame{
    border-radius: var(--tile-radius);
    box-shadow: 0 22px 60px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.15), inset 0 -1px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.08);
    background: transparent;
    border: 1px solid rgba(255,255,255,.12);
}
.tile{
    position: relative; overflow: hidden; border-radius: var(--tile-radius);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    border: 1px solid var(--border);
}
.tile::before{
    content:""; position:absolute; inset:0; pointer-events:none; border-radius:inherit;
    background-image: var(--noise-texture);
    mix-blend-mode: overlay; opacity:.35;
}
.hover-lift{ transition: transform .25s ease, box-shadow .25s ease; }
.hover-lift:hover{ transform: translateY(-2px); }

.card.glass-card{ background: transparent; border: 1px solid rgba(255,255,255,.14); }
.card.glass-card .card-header,
.card.glass-card .card-footer{
    background: rgba(255,255,255,.03);
    border-color: rgba(255,255,255,.14);
}

/* =========================================
   Farbige Kacheln (Services / References / große Card)
   ========================================= */
.section-pad#services .glass-card.tile.motion.reveal.p-4.rounded-4.h-100 {
    background:
            linear-gradient(0deg, rgba(0,0,0,.60), rgba(0,0,0,.60)),
            radial-gradient(closest-side at 50% 50%, rgb(0 0 0) 60%, rgb(0 0 0 / 82%) 100%),
            radial-gradient(120% 90% at 95% 5%, #53C2D8FF 0%, rgba(127, 216, 255, 0) 55%),
            radial-gradient(120% 90% at 10% 8%, #000000 0%, rgba(122, 167, 255, 0) 60%),
            radial-gradient(120% 110% at 85% 45%, #53C2D8FF 0%, rgba(207, 238, 231, 0) 55%),
            radial-gradient(140% 120% at 50% 110%, #000000 0%, rgba(197, 90, 80, 0) 55%),
            linear-gradient(179deg, #4a4a4a 0%, #c7c9ca 50%, #53C2D8FF 100%);
}
.section-pad#references .glass-card.tile.motion.reveal.p-4.rounded-4.h-100 {
    background:
            linear-gradient(0deg, rgba(0,0,0,.60), rgba(0,0,0,.60)),
            radial-gradient(closest-side at 50% 50%, rgb(0 0 0) 60%, rgb(0 0 0 / 82%) 100%),
            radial-gradient(120% 90% at 95% 5%, #003cff 0%, rgba(127, 216, 255, 0) 55%),
            radial-gradient(120% 90% at 10% 8%, #000000 0%, rgba(122, 167, 255, 0) 60%),
            radial-gradient(120% 110% at 85% 45%, #9650c58f 0%, rgba(207, 238, 231, 0) 55%),
            radial-gradient(140% 120% at 50% 110%, #000000 0%, rgba(197, 90, 80, 0) 55%),
            linear-gradient(179deg, #4a4a4a 0%, #c7c9ca 50%, #003cff 100%);
}
.glass-card.tile.motion.reveal.p-4.p-md-5.rounded-4.bcabout {
    background:
            linear-gradient(0deg, rgba(0,0,0,.60), rgba(0,0,0,.60)),
            radial-gradient(closest-side at 50% 50%, rgb(0 0 0) 60%, rgb(0 0 0 / 82%) 100%),
            radial-gradient(120% 90% at 95% 5%, #9650c5 0%, rgba(127, 216, 255, 0) 55%),
            radial-gradient(120% 90% at 10% 8%, #000000 0%, rgba(122, 167, 255, 0) 60%),
            radial-gradient(120% 110% at 85% 45%, #9650c58f 0%, rgba(207, 238, 231, 0) 55%),
            radial-gradient(140% 120% at 50% 110%, #000000 0%, rgba(197, 90, 80, 0) 55%),
            linear-gradient(179deg, #4a4a4a 0%, #c7c9ca 50%, #9650c5 100%);
}
.glass-card.tile.motion.reveal.p-4.p-md-5.rounded-4.bccontact {
    background:
            linear-gradient(0deg, rgba(0,0,0,.60), rgba(0,0,0,.60)),
            radial-gradient(closest-side at 50% 50%, rgb(0 0 0) 60%, rgb(0 0 0 / 82%) 100%),
            radial-gradient(120% 90% at 95% 5%, #df1e1e 0%, rgba(127, 216, 255, 0) 55%),
            radial-gradient(120% 90% at 10% 8%, #000000 0%, rgba(122, 167, 255, 0) 60%),
            radial-gradient(120% 110% at 85% 45%, #df1e1e 0%, rgba(207, 238, 231, 0) 55%),
            radial-gradient(140% 120% at 50% 110%, #000000 0%, rgba(197, 90, 80, 0) 55%),
            linear-gradient(179deg, #4a4a4a 0%, #c7c9ca 50%, #df1e1e 100%);
}

/* =========================================
   Section-Hintergründe
   ========================================= */
section#about{ background:#040404; }
section#references{ background:#040404; }
section#booking{ background:#040404; }
section#plugins {background:#040404;}

/* =========================================
   Tile-Glas-Basis (gleich wie „Flasche“)
   ========================================= */
.tile-glass{
    position: relative; display:block; border-radius: var(--tile-radius); overflow:hidden;
    background:#0b0b0b; border:1px solid var(--nav-border);
    box-shadow: 0 22px 60px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.18), inset 0 -1px rgba(0,0,0,.45);
}
.tile-glass > img{
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block;
    transition: transform .5s cubic-bezier(.2,.8,.2,1), opacity .35s ease;
}
.tile-glass::before{
    content:""; position:absolute; inset:0; z-index:1; pointer-events:none; border-radius:inherit;
    background:
            linear-gradient(180deg, rgba(0,0,0, var(--nav-alpha)), rgba(0,0,0, calc(var(--nav-alpha)+ .06))),
            linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0) 55%, rgba(0,0,0,.10) 100%);
    backdrop-filter: blur(var(--nav-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(160%);
    opacity:0; transition: opacity .28s ease;
}
.tile-overlay{
    position:absolute; inset:0; z-index:2; display:flex; align-items:center; justify-content:center;
    padding: clamp(1rem, 3vw, 2rem); text-align:left; color:#fff;
    opacity:0; transform: translateY(6px);
    transition: opacity .28s ease, transform .28s ease;
}
.tile-overlay .tile-copy{ max-width:34ch }
.tile-overlay h3{ margin:0; color:#fff }

/* Hover/Focus */
.hover-reveal:hover::before,
.hover-reveal:focus-visible::before{ opacity:1; }
.hover-reveal:hover .tile-overlay,
.hover-reveal:focus-visible .tile-overlay{ opacity:1; transform:none; }
.hover-reveal:hover > img{ transform:scale(1.03); opacity:.92; }

/* In ABOUT: .ratio hält Format, Tile füllt komplett */
#about .ratio{ overflow:hidden; }
#about .ratio .tile-glass{ position:absolute; inset:0; }
#about .placeholder-img{ background:none; border:0; }

/* Touchgeräte: Overlay NICHT automatisch sichtbar – erst bei .active */
@media (hover:none){
    .tile-glass::before{ opacity:0 }
    .tile-overlay{ opacity:0; transform: translateY(6px); }
    .tile-glass.active::before{ opacity:1 }
    .tile-glass.active .tile-overlay{ opacity:1; transform:none }
}

/* ====== Mobile: Bild-Tiles haben eigenständige Höhe (Fix, wenn Spalten stacken) ====== */
@media (max-width: 991.98px){
    .contact-image-tile,
    .contact-image-tile .tile-glass,
    .about-image-tile,
    .about-image-tile .tile-glass{
        min-height: 320px;
    }
}

/* =========================================
   FAQ (Dark-Accordion)
   ========================================= */
#faq h2{ color:#fff; text-align: left; margin-bottom: 2rem; }

#faq .accordion-item{
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}
#faq .accordion-item:hover{
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
#faq .accordion-button{
    background: transparent;
    color: #fff !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 1rem 1.25rem;
    box-shadow: none;
}
#faq .accordion-button:not(.collapsed){
    background: rgba(255, 255, 255, 0.08);
    color: #fff !important;
}
#faq .accordion-button::after{ filter: none; }
#faq .accordion-body{
    color: #ddd;
    padding: 1rem 1.25rem 1.25rem;
    font-size: 0.95rem; line-height: 1.5;
}

/* =========================================
   Kontakt (Form + Bildhöhe anpassen)
   ========================================= */
#contact .glass-card{
    border:1px solid var(--nav-border);
    box-shadow: 0 22px 60px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.18), inset 0 -1px rgba(0,0,0,.45);
}
#contact .form-label{ color:#d8d8d8; font-weight:600; }
#contact .form-control,
#contact .form-check-input{
    background:#1b1e21; border:1px solid rgba(255,255,255,.14);
    color:#e9ecef; border-radius:.6rem;
}
#contact .form-control:focus{
    background:#202428; border-color:#53C2D8;
    box-shadow: 0 0 0 .2rem rgba(83,194,216,.15); color:#fff;
}
#contact .form-check-input{
    width:1.05rem; height:1.05rem; accent-color:#53C2D8; box-shadow:none;
}
#contact .form-check-label{ color:#bfc5cb; }
#contact .btn.btn-light{
    background:#f3f5f6; color:#111; border:1px solid rgba(255,255,255,.25);
    box-shadow: 0 4px 14px rgba(0,0,0,.35);
}
#contact .btn.btn-light:hover{
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0,0,0,.45);
}
#contact .ratio{ overflow:hidden; }
#contact .ratio .tile-glass{ position:absolute; inset:0; }
@media (max-width: 991.98px){
}

/* Bild-Kachel exakt so hoch wie Formularspalte */
.contact-image-tile{
    display: flex; flex-direction: column; height: 100%;
}
.contact-image-tile img{
    object-fit: cover; width: 100%; height: 100%; display: block;
}

/* =========================================
   Plugins Tabs & Bühne
   ========================================= */
#plugins .plugin-tabs{
    display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center;
}
#plugins .plugin-tabs .ptab{
    appearance:none; border:1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
    color:#fff; font-weight:700; padding:.55rem .9rem; border-radius:.8rem;
    transition: transform .15s ease, border-color .15s ease, opacity .15s ease;
    opacity:.85;
}
#plugins .plugin-tabs .ptab:hover{ transform:translateY(-1px); opacity:1; }
#plugins .plugin-tabs .ptab.active{
    border-color: rgba(83,194,216,.45);
    box-shadow: 0 6px 18px rgba(0,0,0,.35);
    opacity:1;
}
#plugins .plugin-stage{ position:relative; }
#plugins .plugin-article{
    display:none; opacity:0; transform:translateY(6px);
    transition: opacity .25s ease, transform .25s ease;
}
#plugins .plugin-article.active{
    display:block; opacity:1; transform:none;
}
#plugins .plugin-article header{ border-bottom:1px solid rgba(255,255,255,.08); padding-bottom:.75rem; }
#plugins .plugin-article .eyebrow{
    display:inline-block; font-size:.85rem; opacity:.75; letter-spacing:.08em; text-transform:uppercase;
}
#plugins .badge-list{ list-style:none; padding:0; margin:1rem 0 0; display:flex; flex-wrap:wrap; gap:.5rem; }
#plugins .badge-list li{
    padding:.35rem .6rem; border-radius:.6rem; font-size:.85rem; font-weight:700; color:#fff;
    border:1px solid rgba(255,255,255,.12);
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
}

/* =========================================
   Checkbox (sichtbar im Dark Theme)
   ========================================= */
.form-check-input {
    background-color: #222;
    border: 2px solid #ccc;
}
.form-check-input:hover {
    cursor: pointer;
    border-color: #fff;
}
.form-check-input:checked {
    background-color: #5bff00 !important;
    border-color: #5bff00 !important;
}
.form-check-input:checked[type=checkbox]{
    --bs-form-check-bg-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='white' d='M16.7 5.3a1 1 0 0 1 0 1.4l-7.2 7.3a1 1 0 0 1-1.4 0L3.3 9.3a1 1 0 0 1 1.4-1.4l4 4 6.5-6.6a1 1 0 0 1 1.4 0z'/%3e%3c/svg%3e");
}
