/* Start custom CSS *//* Blog articles in the 6856 format (batch 1, 2026-11-03): same stylesheet as 6856 plus numbered steps. Scoped to .k10; no child combinators (Elementor escapes them). */
.k10{--navy:#2E4F7C;--navy-2:#24406A;--ink:#30465C;--sky:#EAF6FC;--sky-2:#CDEAF7;--yellow:#FCD33A;--dusk:#14222E;--cream:#FBF6EE;--line:rgba(46,79,124,.16);color:var(--ink);font-size:17px;line-height:1.7}
.k10 *,.k10 *::before,.k10 *::after{box-sizing:border-box}
.k10 img{max-width:100%;height:auto;display:block}
.k10 h2{color:var(--navy-2);font-size:clamp(23px,calc(1.2vw + 15px),30px);line-height:1.25;margin:2.2em 0 .7em;text-wrap:balance}
.k10 h3{color:var(--navy-2);font-size:19px;line-height:1.35;margin:1.6em 0 .4em}
.k10 p{margin:0 0 1em}
.k10 a{color:#127395;text-decoration:underline;text-underline-offset:3px}
.k10 a:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
.k10 .k10-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.k10 .k10-byline{font-size:14px;color:#5B6B7B;margin-bottom:1.2em}
.k10 .k10-byline strong{color:var(--ink)}
.k10 .k10-byline img{display:inline-block;width:40px;height:40px;border-radius:50%;vertical-align:middle;margin-right:10px;background:var(--sky)}
.k10 .k10-lead{font-size:19px;line-height:1.65}
/* key takeaways */
.k10 .k10-takeaways{background:var(--sky);border-radius:20px;padding:clamp(20px,3vw,32px);margin:1.6em 0 2em}
.k10 .k10-takeaways h2{margin:0 0 .6em;font-size:22px}
.k10 .k10-takeaways ul{list-style:none;margin:0 0 1.2em;padding:0}
.k10 .k10-takeaways li{position:relative;padding-left:32px;margin:0 0 .7em}
.k10 .k10-takeaways li::before{content:"";position:absolute;left:2px;top:.35em;width:20px;height:20px;border-radius:50%;background:var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%2314222E' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
/* lists */
.k10 .k10-points{margin:0 0 1.2em;padding-left:1.2em}
.k10 .k10-points li{margin:0 0 .65em}
.k10 .k10-points li::marker{color:var(--navy)}
/* buttons */
.k10 .k10-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:0}
.k10 .k10-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;border-radius:16px;padding:14px 22px;font-size:15px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;line-height:1.2;text-decoration:none;text-align:center;transition:background-color .15s ease,color .15s ease}
.k10 .k10-btn--yellow{background:var(--yellow);color:var(--dusk)}
.k10 .k10-btn--yellow:hover{background:#FFDC57;color:var(--dusk)}
.k10 .k10-btn--ghost{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.k10 .k10-btn--ghost:hover{background:var(--navy);color:#fff}
/* how kefir is made */
.k10 .k10-flow{list-style:none;counter-reset:k10f;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:1.6em 0 1.8em;padding:22px 18px 18px;background:var(--sky);border-radius:20px}
.k10 .k10-flow li{counter-increment:k10f;position:relative;text-align:center;font-size:15px;line-height:1.45;color:var(--navy-2);font-weight:600}
.k10 .k10-flow li::before{content:counter(k10f);display:block;width:28px;height:28px;margin:0 auto 8px;border-radius:50%;background:var(--yellow);color:var(--dusk);font-size:14px;font-weight:800;line-height:28px}
.k10 .k10-flow img{display:block;height:180px;width:auto;max-width:100%;object-fit:contain;margin:0 auto 10px}
.k10 .k10-flow span{display:block}
/* figures */
.k10 .k10-fig{margin:1.4em 0}
.k10 .k10-fig img{border-radius:16px;width:100%}
.k10 .k10-fig--doc{max-width:560px;margin-left:auto;margin-right:auto}
.k10 .k10-fig--doc img{border:1px solid var(--line);background:#fff}
.k10 figcaption{font-size:14px;color:#5B6B7B;margin-top:8px;text-align:center}
.k10 .k10-note{border-left:4px solid var(--yellow);padding:4px 0 4px 14px}
/* quotes */
.k10 .k10-quote{background:var(--cream);border-left:5px solid var(--yellow);border-radius:0 16px 16px 0;margin:1.2em 0;padding:16px 20px}
.k10 .k10-quote p{margin:0 0 6px;font-size:18px}
.k10 .k10-quote cite{font-style:normal;font-size:14px;color:#5B6B7B}
/* three kinds */
.k10 .k10-kinds{display:grid;grid-template-columns:1fr;gap:16px;margin:1.2em 0 1.6em}
.k10 .k10-kind{display:flex;gap:16px;align-items:flex-start;border:1px solid var(--line);border-radius:18px;padding:16px;background:#fff}
.k10 .k10-kind img{flex:0 0 104px;width:104px;border-radius:12px}
.k10 .k10-kind h3{margin:0 0 .3em}
.k10 .k10-kind p{margin:0 0 .5em;font-size:16px;line-height:1.6}
.k10 .k10-kind-links{display:flex;flex-wrap:wrap;gap:6px 16px;font-weight:700}
@media (min-width:760px){.k10 .k10-kinds{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.k10 .k10-flow{grid-template-columns:1fr 1fr;row-gap:22px}.k10 .k10-flow img{height:120px}.k10 .k10-kind img{flex-basis:84px;width:84px}}
/* tables */
.k10 .k10-table{overflow-x:auto;margin:1.2em 0 1.4em;border:1px solid var(--line);border-radius:16px}
.k10 .k10-table table{width:100%;border-collapse:collapse;margin:0;border:0;font-size:16px;line-height:1.5}
.k10 .k10-table caption{caption-side:top;text-align:left;font-weight:700;color:var(--navy-2);padding:12px 14px 4px}
.k10 .k10-table th,.k10 .k10-table td{border:0;border-top:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.k10 .k10-table thead th{background:var(--sky);color:var(--navy-2);border-top:0}
.k10 .k10-table tbody th{font-weight:700;color:var(--navy-2);min-width:7.5em}
.k10 .k10-table small{color:#5B6B7B}
/* closing call to action */
.k10 .k10-endcta{background:var(--sky);border:1px solid var(--sky-2);color:var(--ink);border-radius:22px;padding:clamp(22px,3.4vw,36px);margin:2.4em 0}
.k10 .k10-endcta-title{font-size:clamp(22px,calc(1vw + 16px),28px);font-weight:700;line-height:1.3;color:var(--navy-2)}
/* YouTube: a still frame with a play button; the player only loads after a click */
.k10 .k10-video{margin:1.6em 0}
.k10 .k10-video iframe{display:block;width:100%;height:auto;aspect-ratio:16/9;border:0;border-radius:16px;background:var(--sky)}
/* Floating navigation, as on the reference page: wide screens get a left rail at the page edge (contents with the current
   section marked + a dark CTA card), the article keeps its full width. Tablets: a pill at the bottom right. Phones: neither
   (the bottom bar already has the shop button). */
.k10 .k10-rail,.k10 .k10-float{display:none}
.k10 h2{scroll-margin-top:24px}
@media (min-width:900px) and (max-width:1399px){
.k10 .k10-float{position:sticky;bottom:20px;z-index:20;display:flex;align-items:center;gap:14px;width:max-content;max-width:100%;margin:28px 0 0 auto;padding:8px 8px 8px 20px;background:#fff;border:2px solid var(--navy);border-radius:999px;box-shadow:0 10px 30px rgba(20,34,46,.18);font-size:16px;font-weight:700;color:var(--navy-2)}
.k10 .k10-float .k10-btn{min-height:42px;padding:10px 20px;border-radius:999px}
}
@media (min-width:1400px){
.k10{--railw:min(240px,calc((100vw - 940px) / 2 - 56px));--gap:32px;display:grid;grid-template-columns:var(--railw) minmax(0,1fr);column-gap:var(--gap);margin-left:calc(-1 * (var(--railw) + var(--gap)));align-items:start}
.k10 .k10-main{min-width:0}
.k10 .k10-rail{display:block;position:sticky;top:24px;max-height:calc(100vh - 150px);overflow-y:auto;scrollbar-width:none;font-size:13px;line-height:1.35}
.k10 .k10-toc-title{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#7A8896;margin:4px 0 10px 12px}
.k10 .k10-toc ol{list-style:none;margin:0 0 16px;padding:0}
.k10 .k10-toc li{margin:0 0 1px}
.k10 .k10-toc a{display:block;padding:4px 10px;border-radius:8px;color:var(--ink);text-decoration:none;transition:background-color .15s ease,color .15s ease}
.k10 .k10-toc a:hover{background:var(--sky);color:var(--navy-2)}
.k10 .k10-toc a.is-active{background:#FFF1BF;color:var(--dusk);font-weight:700}
.k10 .k10-railcta{background:var(--sky);border:1px solid var(--sky-2);border-radius:14px;padding:14px 14px 16px;color:var(--ink)}
.k10 .k10-railcta p{margin:0}
.k10 .k10-railcta-eye{font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:#5B6B7B;margin-bottom:8px}
.k10 .k10-railcta-title{font-size:17px;line-height:1.25;font-weight:700;color:var(--navy-2);margin-bottom:8px}
.k10 .k10-railcta-text{font-size:12.5px;line-height:1.45;margin-bottom:12px}
.k10 .k10-railcta-btn{display:inline-block;background:var(--yellow);color:var(--dusk);border-radius:10px;padding:9px 14px;font-weight:800;font-size:13px;text-decoration:none}
.k10 .k10-railcta-btn:hover{background:#FFDC57;color:var(--dusk)}
}
@media (min-width:900px) and (prefers-reduced-motion:no-preference){.k10 .k10-float .k10-btn,.k10 .k10-railcta-btn{animation:k10nudge 1.4s ease-in-out 4s 2}}
@keyframes k10nudge{0%,100%{transform:none}50%{transform:scale(1.06)}}
/* call-to-action banner inside the article (brand sky, no dark blocks) */
.k10 .k10-banner{display:flex;gap:20px;align-items:center;background:var(--sky);border:1px solid var(--sky-2);color:var(--ink);border-radius:20px;padding:clamp(20px,3vw,30px);margin:1.6em 0 2em}
.k10 .k10-banner-title{font-size:clamp(20px,calc(.8vw + 15px),26px);font-weight:700;line-height:1.3;color:var(--navy-2);margin-bottom:6px}
@media (max-width:640px){.k10 .k10-banner{flex-direction:column;align-items:flex-start}}
/* author photo */
.k10 .k10-author{display:flex;gap:18px;align-items:flex-start}
.k10 .k10-author img{flex:0 0 88px;width:88px;height:88px;border-radius:50%;object-fit:cover;background:var(--sky)}
/* author and related reading */
.k10 .k10-author{border-top:1px solid var(--line);margin-top:2.4em;padding-top:1.2em;font-size:16px}
.k10 .k10-author-title,.k10 .k10-related-title{font-weight:700;color:var(--navy-2);margin-bottom:.3em}
.k10 .k10-related{background:var(--sky);border-radius:18px;padding:18px 22px;margin-top:1.4em}
.k10 .k10-related ul{margin:0;padding-left:1.2em}
.k10 .k10-related li{margin:.3em 0}
/* numbered how-to steps */
.k10 .k10-steps{list-style:none;counter-reset:k10s;margin:1.2em 0 1.6em;padding:0}
.k10 .k10-steps li{counter-increment:k10s;position:relative;padding:0 0 0 46px;margin:0 0 1em;min-height:32px}
.k10 .k10-steps li::before{content:counter(k10s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--yellow);color:var(--dusk);font-size:15px;font-weight:800;line-height:32px;text-align:center}

/* larger type on desktop (Nikola 2026-11-12: "articles on website are written with small font"; many readers are over 60). Same values as post 32743. */
@media (min-width:768px){
.k10{font-size:19px;line-height:1.7}
.k10 .k10-lead{font-size:21px;line-height:1.6}
.k10 h3{font-size:21px}
.k10 .k10-byline{font-size:15px}
.k10 .k10-takeaways h2{font-size:24px}
.k10 figcaption{font-size:15px}
.k10 .k10-rail{font-size:15px;line-height:1.4}
.k10 .k10-toc-title{font-size:12px}
.k10 .k10-railcta-title{font-size:19px}
.k10 .k10-railcta-text{font-size:14px}
.k10 .k10-railcta-btn{font-size:14px}
.k10 .k10-float{font-size:17px}
.k10 .k10-author{font-size:17px}
}

/* faq accordion + full-width headings (Nikola 2026-11-12: headings broke into two lines on desktop; "why FAQ looks so basic"). Same block as post 32743. */
.k10.k10 .k10-main h2{max-width:none}
.k10 .k10-main .k10-faq-intro{margin:-.3em 0 1em;color:#5B6B7B}
.k10 .k10-faq{display:grid;gap:10px;margin:0 0 14px}
.k10 .k10-faq-item{margin:0;border:1px solid #D9E3EC;border-radius:14px;background:#fff;transition:border-color .2s,box-shadow .2s}
.k10 .k10-faq-item[open]{border-color:#24406A;box-shadow:0 6px 18px rgba(36,64,106,.08)}
.k10 .k10-faq-item summary{display:flex;align-items:center;gap:16px;padding:16px 18px;cursor:pointer;list-style:none;border-radius:14px}
.k10 .k10-faq-item summary::-webkit-details-marker{display:none}
.k10 .k10-faq-item summary::marker{content:""}
.k10 .k10-main .k10-faq-q{flex:1 1 auto;min-width:0;margin:0;max-width:none;font-size:1.05em;line-height:1.4;font-weight:700;color:#14222E}
.k10 .k10-faq-item summary:hover .k10-faq-q{color:#24406A}
.k10 .k10-faq-item summary:focus-visible{outline:3px solid #FCD33A;outline-offset:2px}
.k10 .k10-faq-icon{position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:#EEF4F9;transition:background .2s}
.k10 .k10-faq-icon::before,.k10 .k10-faq-icon::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;border-radius:2px;background:#24406A;transition:transform .25s,background .2s}
.k10 .k10-faq-icon::after{transform:rotate(90deg)}
.k10 .k10-faq-item[open] .k10-faq-icon{background:#24406A}
.k10 .k10-faq-item[open] .k10-faq-icon::before,.k10 .k10-faq-item[open] .k10-faq-icon::after{background:#fff}
.k10 .k10-faq-item[open] .k10-faq-icon::after{transform:rotate(0deg)}
.k10 .k10-faq-a{padding:0 18px 18px}
.k10 .k10-main .k10-faq-a p{margin:0 0 .6em;font-size:1em;line-height:1.65;color:#30465C}
.k10 .k10-main .k10-faq-a p:last-child{margin-bottom:0}
.k10 .k10-faq-more{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;margin:0 0 8px;padding:16px 18px;border-radius:14px;background:#EFF8F1}
.k10 .k10-main .k10-faq-more p{margin:0;max-width:none;font-size:1em;line-height:1.5;color:#14222E}
.k10 .k10-main a.k10-faq-line{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:999px;background:#06C755;color:#fff;font-size:16px;font-weight:700;text-decoration:none;white-space:nowrap}
.k10 .k10-main a.k10-faq-line:hover{background:#05A847;color:#fff}
@media (max-width:600px){
.k10 .k10-faq-item summary{padding:14px 14px;gap:12px}
.k10 .k10-faq-a{padding:0 14px 16px}
.k10 .k10-main a.k10-faq-line{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){.k10 .k10-faq-icon::before,.k10 .k10-faq-icon::after,.k10 .k10-faq-item{transition:none}}

/* 3D kefir grain figure (article 'what bacteria are in kefir') */
.k10.k10 .k10-main figure.kg.kg{margin:1.4em 0 2em}
.k10 .kg-stage{position:relative;aspect-ratio:4/3;max-height:520px;width:100%;border-radius:16px;overflow:hidden;background:radial-gradient(120% 90% at 50% 38%,#FBFDFE 0%,#D7ECF7 100%);touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none}
.k10 .kg-stage.is-drag{cursor:grabbing}
.k10 .kg-stage:focus-visible{outline:3px solid #FCD33A;outline-offset:2px}
.k10 .kg-stage::before{content:"";position:absolute;inset:0;background:radial-gradient(110% 90% at 50% 42%,#335A8C 0%,#1C3557 70%,#152943 100%);opacity:0;transition:opacity .9s;pointer-events:none}
.k10 .kg-stage.is-inside::before{opacity:1}
.k10 .kg-stage::after{content:"";position:absolute;left:24%;right:24%;bottom:10%;height:9%;border-radius:50%;background:radial-gradient(closest-side,rgba(36,64,106,.22),transparent);pointer-events:none;transition:opacity .6s}
.k10 .kg-stage.is-inside::after{opacity:0}
.k10 .kg-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .5s}
.k10 .kg-stage.is-ready canvas{opacity:1}
.k10 .kg-stage .kg-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:9% 16% 13%;border-radius:0;transition:opacity .5s}
.k10 .kg-stage.is-ready .kg-poster{opacity:0}
.k10 .kg-hint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);margin:0;padding:8px 16px;border-radius:99px;background:#FCD33A;color:#14222E;font-size:15px;line-height:1.4;font-weight:700;box-shadow:0 4px 14px rgba(20,34,46,.15);white-space:normal;text-align:center;width:max-content;pointer-events:none;max-width:calc(100% - 24px)}
.k10 .kg-mode{position:absolute;left:12px;top:12px;display:flex;gap:2px;padding:3px;border-radius:11px;background:rgba(255,255,255,.88)}
.k10 .kg-mode button,.k10 .kg-chips button{font:inherit;font-size:15px;line-height:1.3;min-height:44px;padding:8px 14px;border:1px solid #D9E3EC;background:#fff;color:#24406A;border-radius:8px;cursor:pointer;box-shadow:none;text-transform:none;letter-spacing:0;font-weight:400}
.k10 .kg-mode button{min-height:44px;padding:6px 14px;background:transparent;border-color:transparent}
/* controls appear only once the 3D grain is running; without it the photo and the text stand alone */
.k10 figure.kg .kg-mode,.k10 figure.kg .kg-hint,.k10 figure.kg .kg-chips{display:none}
.k10 figure.kg.is-live .kg-mode,.k10 figure.kg.is-live .kg-chips{display:flex}
.k10 figure.kg.is-live .kg-hint{display:block}
.k10 .kg-mode button[aria-pressed="true"],.k10 .kg-chips button[aria-pressed="true"]{background:#24406A;border-color:#24406A;color:#fff}
.k10 figure.kg:not(.was-opened) .kg-mode button[data-mode="1"]{background:#FCD33A;color:#14222E;font-weight:700;animation:kg-nudge 1.8s ease-out infinite}
@keyframes kg-nudge{0%{box-shadow:0 0 0 0 rgba(252,211,58,.7)}100%{box-shadow:0 0 0 12px rgba(252,211,58,0)}}
@media (prefers-reduced-motion:reduce){.k10 figure.kg:not(.was-opened) .kg-mode button[data-mode="1"]{animation:none}}
.k10 .kg-mode button:focus-visible,.k10 .kg-chips button:focus-visible{outline:3px solid #FCD33A;outline-offset:2px}
.k10 .kg-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}
.k10 .kg-chips button{display:flex;align-items:center;gap:8px}
.k10 .kg-chips button[disabled]{opacity:.45;cursor:default}
.k10 .kg-chips i{display:inline-block;flex:none}
.k10 .kg-chips .c-lab{width:20px;height:9px;border-radius:99px;background:#7CC0EE;border:1.5px solid #24406A}
.k10 .kg-chips .c-yeast{width:15px;height:18px;border-radius:50%;background:#FCD33A;border:1.5px solid #B98B00}
.k10 .kg-chips .c-aab{width:14px;height:10px;border-radius:99px;background:#6FD9C3;border:1.5px solid #1E7B6C}
.k10 .kg-info{margin:12px 0 0;min-height:4.8em}
.k10 .kg-info b{color:#24406A}
.k10 figure.kg .kg-cap{margin:6px 0 0;font-size:14px;line-height:1.5;color:#5B6B7B;text-align:left}
@media (max-width:560px){.k10 .kg-stage{aspect-ratio:1/1}.k10 .kg-hint{font-size:13px}.k10 .kg-info{min-height:6.4em}}

/* "which microbes lead at which temperature" figure. Colours: blue = lactic acid bacteria, amber = yeasts, teal = acetic acid bacteria */
.k10.k10 .k10-main figure.kt.kt{margin:1.4em 0 1.6em;border:1px solid #D9E3EC;border-radius:18px;padding:18px 18px 14px;background:linear-gradient(180deg,#F7FBFE 0,#FFFFFF 40%)}
.k10 .kt p,.k10 .kt li{max-width:none}
/* slider */
.k10 .kt-ctl{margin:0 0 14px}
.k10 .kt-lab{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin:0 0 42px;cursor:pointer}
.k10 .kt-try{display:inline-block;padding:4px 12px;border-radius:999px;background:#FCD33A;color:#14222E;font-size:13px;line-height:1.3;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.k10 .kt-cue{font-size:18px;line-height:1.35;font-weight:700;color:#14222E}
.k10 .kt-slide{position:relative}
.k10 .kt-bub{position:absolute;bottom:calc(100% + 9px);left:calc(16px + (100% - 32px) * var(--pn,.5));transform:translateX(calc(var(--pn,.5) * -100%));padding:3px 11px;border-radius:8px;background:var(--tc,#24406A);color:#fff;font-size:14px;line-height:1.4;font-weight:700;white-space:nowrap;pointer-events:none}
.k10 .kt-bub::after{content:"";position:absolute;left:clamp(8px,calc(var(--pn,.5) * 100%),calc(100% - 8px));top:100%;margin-left:-5px;border:5px solid transparent;border-top-color:var(--tc,#24406A)}
.k10 .kt-range{-webkit-appearance:none;appearance:none;position:relative;z-index:1;display:block;width:100%;height:36px;margin:0;padding:0;background:transparent;border:0;cursor:pointer;touch-action:pan-y}
.k10 .kt-range:focus{outline:none}
.k10 .kt .kt-range::-webkit-slider-runnable-track,.k10 .kt .kt-range:focus::-webkit-slider-runnable-track,.k10 .kt .kt-range:active::-webkit-slider-runnable-track{height:10px;border:0;border-radius:99px;box-shadow:none;background:linear-gradient(90deg,#3B8CC4,#4E9AB5 25%,#5E9468 50%,#D08A3A 75%,#C9502E)}
.k10 .kt .kt-range::-moz-range-track,.k10 .kt .kt-range:focus::-moz-range-track{height:10px;border:0;border-radius:99px;box-shadow:none;background:linear-gradient(90deg,#3B8CC4,#4E9AB5 25%,#5E9468 50%,#D08A3A 75%,#C9502E)}
.k10 .kt-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:32px;height:32px;margin-top:-11px;border-radius:50%;background:#fff;border:4px solid var(--tc,#24406A);box-shadow:0 2px 6px rgba(36,64,106,.3)}
.k10 .kt-range::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid var(--tc,#24406A);box-shadow:0 2px 6px rgba(36,64,106,.3)}
.k10 .kt-range:focus-visible::-webkit-slider-thumb{outline:3px solid #FCD33A;outline-offset:2px}
.k10 .kt-range:focus-visible::-moz-range-thumb{outline:3px solid #FCD33A;outline-offset:2px}
.k10 .kt-slide::before{content:"";position:absolute;top:50%;left:calc(16px + (100% - 32px) * var(--pn,.5));width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:var(--tc,#5E9468);opacity:0;pointer-events:none;animation:kt-pulse 1.8s ease-out infinite}
@keyframes kt-pulse{0%{transform:scale(.6);opacity:.6}60%{opacity:.25}100%{transform:scale(1.4);opacity:0}}
.k10 figure.kt.is-touched .kt-slide::before{animation:none;opacity:0}
.k10 .kt-ticks{display:flex;justify-content:space-between;gap:6px;margin:8px 0 0}
.k10 .kt .kt-tick{font:inherit;font-size:14px;line-height:1.3;min-height:36px;padding:6px 12px;margin:0;border:1px solid #D9E3EC;border-radius:999px;background:#fff;color:#30465C;cursor:pointer;box-shadow:none;text-transform:none;letter-spacing:0;font-weight:600;flex:0 0 auto;text-align:center}
.k10 .kt .kt-tick:hover{border-color:#24406A;color:#24406A}
.k10 .kt .kt-tick.is-on{background:#24406A;border-color:#24406A;color:#fff}
/* jar + measured groups */
.k10 .kt-top{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:8px 28px;align-items:start}
.k10 .kt-art{min-width:0}
.k10 .kt-jar{display:block;width:100%;height:auto;aspect-ratio:300/320}
.k10 .kt-side{min-width:0}
.k10 .kt-eyebrow{margin:0 0 2px;font-size:12px;line-height:1.3;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7A8896}
.k10 .kt-title{margin:0 0 4px;font-size:22px;line-height:1.3;font-weight:700;color:#24406A}
.k10 .kt-text{margin:0 0 14px;font-size:17px;line-height:1.55;color:#30465C}
.k10 .kt-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.k10 .kt-row{display:grid;grid-template-columns:16px minmax(0,1fr) auto;grid-template-areas:"mk name v" ". bar bar" ". ev ev";align-items:center;gap:2px 8px;margin:0;padding:8px 10px;border-radius:10px;background:#fff;box-shadow:inset 0 0 0 1px #E3EBF1;will-change:transform}
.k10 .kt-row.is-lead{box-shadow:inset 0 0 0 2px var(--c)}
.k10 .kt-mk{grid-area:mk;justify-self:center;display:block}
.k10 .kt-name{grid-area:name;font-size:16px;font-weight:700;color:#14222E}
.k10 .kt-v{grid-area:v;font-style:normal;font-size:15px;color:#30465C;white-space:nowrap}
.k10 .kt-bar{grid-area:bar;display:block;height:10px;border-radius:99px;background:#EDF2F6;position:relative;overflow:hidden}
.k10 .kt-bar::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--w,0%);border-radius:99px;background:var(--c);transition:width .35s}
.k10 .kt-row.is-n .kt-bar::after{width:100%;background:repeating-linear-gradient(135deg,#E3EBF1 0 6px,#F4F7FA 6px 12px)}
.k10 .kt-row.is-n .kt-v{color:#7A8896;font-style:italic}
.k10 .kt-ev{grid-area:ev;font-size:12px;line-height:1.3;color:#7A8896}
.k10 .kt-row--round{--c:#3F8FD1}
.k10 .kt-row--round .kt-mk{width:16px;height:6px;background:radial-gradient(circle,#3F8FD1 2.6px,transparent 3px) 0 0/5.4px 6px repeat-x}
.k10 .kt-row--rod{--c:#2E6FA8}
.k10 .kt-row--rod .kt-mk{width:16px;height:6px;border-radius:99px;background:#2E6FA8}
.k10 .kt-row--yeast{--c:#E9B81C}
.k10 .kt-row--yeast .kt-mk{width:11px;height:14px;border-radius:50%;background:#E9B81C}
.k10 .kt-row--aab{--c:#2FA892}
.k10 .kt-row--aab .kt-mk{width:11px;height:7px;border-radius:99px;background:#2FA892}
/* species growth ranges */
.k10 .kr{margin:18px 0 0;padding:16px 0 0;border-top:1px solid #E3EBF1}
.k10 .kr-title{margin:0;font-size:19px;line-height:1.35;font-weight:700;color:#24406A}
.k10 .kr-sub{margin:2px 0 12px;font-size:15px;line-height:1.5;color:#5B6B7B}
.k10 .kr-chart{position:relative;--name:15.5em}
.k10 .kr-rows{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.k10 .kr-row{display:grid;grid-template-columns:var(--name) minmax(0,1fr) 6.6em;align-items:center;gap:10px;margin:0;padding:0;transition:opacity .3s}
.k10 .kr-name{font-size:14px;line-height:1.3;color:#14222E;min-width:0}
.k10 .kr-name span{color:#7A8896}
.k10 .kr-track{position:relative;display:block;height:12px;border-radius:99px;background:#F1F5F8}
.k10 .kr-fade,.k10 .kr-solid{position:absolute;top:0;bottom:0;border-radius:99px}
.k10 .kr-fade{background:var(--c);opacity:.25}
.k10 .kr-solid{background:var(--c)}
.k10 .kr-opt{position:absolute;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px var(--c)}
.k10 .kr--round{--c:#3F8FD1}
.k10 .kr--rod{--c:#2E6FA8}
.k10 .kr--yeast{--c:#E9B81C}
.k10 .kr--aab{--c:#2FA892}
.k10 .kr-state{font-style:normal;font-size:13px;font-weight:700;white-space:nowrap}
.k10 .kr-row.is-on .kr-state{color:#2E7D4F}
.k10 .kr-row.is-edge .kr-state{color:#A06A00}
.k10 .kr-row.is-off{opacity:.45}
.k10 .kr-row.is-off .kr-state{color:#7A8896;font-weight:400}
.k10 .kr-mark{position:absolute;top:-6px;bottom:22px;width:0;left:calc(var(--name) + 10px + (100% - var(--name) - 6.6em - 20px) * var(--kp,.52));border-left:2px dashed var(--tc,#24406A);pointer-events:none;transition:left .35s;z-index:1}
.k10 .kr-axis{position:relative;height:18px;margin:6px calc(6.6em + 10px) 0 calc(var(--name) + 10px)}
.k10 .kr-axis span{position:absolute;transform:translateX(-50%);font-size:12px;color:#7A8896;white-space:nowrap}
.k10 .kr-axis span:first-child{transform:none}
.k10 .kr-key{display:flex;flex-wrap:wrap;gap:4px 16px;margin:8px 0 0;font-size:13px;color:#30465C}
.k10 .kr-k{display:flex;align-items:center;gap:6px}
.k10 .kr-k::before{content:"";display:inline-block}
.k10 .kr-k--solid::before{width:22px;height:8px;border-radius:99px;background:#3F8FD1}
.k10 .kr-k--fade::before{width:22px;height:8px;border-radius:99px;background:#3F8FD1;opacity:.25}
.k10 .kr-k--opt::before{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px #3F8FD1}
.k10 figure.kt figcaption{margin:14px 0 0;font-size:14px;line-height:1.5;color:#5B6B7B;text-align:left}
/* before the script runs: the 25 °C reading stands alone, the controls and drawing wait */
.k10 figure.kt .kt-ctl,.k10 figure.kt .kt-art,.k10 figure.kt .kr-mark{display:none}
.k10 figure.kt.is-live .kt-ctl,.k10 figure.kt.is-live .kt-art,.k10 figure.kt.is-live .kr-mark{display:block}
.k10 figure.kt .kt-top{grid-template-columns:1fr}
.k10 figure.kt.is-live .kt-top{grid-template-columns:minmax(0,260px) minmax(0,1fr)}
@media (max-width:700px){
.k10 figure.kt.is-live .kt-top{grid-template-columns:1fr}
.k10 .kt-art{max-width:220px;margin:0 auto}
.k10 .kr-rows{gap:10px}
.k10 .kr-row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name state" "track track";row-gap:4px}
.k10 .kr-name{grid-area:name}
.k10 .kr-state{grid-area:state;font-size:12px}
.k10 .kr-track{grid-area:track}
.k10 .kr-axis{margin:6px 0 0}
.k10 .kr-mark{bottom:22px;left:calc(100% * var(--kp,.52))}
}
@media (max-width:420px){.k10 .kt .kt-tick{padding:5px 7px;font-size:13px}.k10 .kt-cue{font-size:16px}}
@media (prefers-reduced-motion:reduce){.k10 .kt-bar::after,.k10 .kr-mark,.k10 .kr-row{transition:none}.k10 .kt-slide::before{animation:none;opacity:.25;transform:scale(.8)}}

/* visuals and reading comfort for the article 'what bacteria are in kefir'.
   Colour key used everywhere in the article: blue = lactic acid bacteria, amber = yeasts, teal = acetic acid bacteria. */

/* ---------- reading comfort: shorter lines, quieter citations, papers folded away ---------- */
.k10 .k10-main p:not([class]),.k10 .k10-main .k10-lead,.k10 .k10-main .k10-note,.k10 .k10-points li,.k10 .k10-takeaways li,.k10 .k10-steps li{max-width:68ch}
.k10.k10 .k10-main h2{max-width:none}
.k10 .k10-main h2{max-width:30ch;text-wrap:balance}
.k10 .k10-cite{font-size:.78em;line-height:1;color:#7A8896;white-space:normal}
.k10 .k10-cite a{color:#5A7A99;text-decoration-color:rgba(90,122,153,.35);text-underline-offset:2px}
.k10 .k10-cite a:hover{color:#24406A}
.k10 .k10-papers{margin:0 0 1.6em;border:1px solid #E3EBF1;border-radius:14px;padding:0 16px}
.k10 .k10-papers summary{cursor:pointer;padding:14px 0;font-weight:700;color:#24406A;list-style-position:inside}
.k10 .k10-papers summary:focus-visible{outline:3px solid #FCD33A;outline-offset:2px;border-radius:6px}
.k10 .k10-papers ul{margin:0 0 14px;padding:0 0 0 1.1em}
.k10 .k10-papers li{margin:0 0 6px;font-size:15px;line-height:1.5}

/* ---------- yogurt and kefir side by side ---------- */
.k10 .yk{display:grid;grid-template-columns:1fr 1fr;column-gap:14px;margin:1.4em 0 1.6em;align-items:stretch}
.k10 .yk-h,.k10 .yk-c,.k10 .yk-f{padding:0 18px;min-width:0}
.k10 .yk-h{border-radius:18px 18px 0 0;padding-top:16px;text-align:center}
.k10 .yk-f{border-radius:0 0 18px 18px;padding-bottom:12px;text-align:center}
.k10 .yk-h--y,.k10 .yk-c--y,.k10 .yk-f--y{background:#F3F5F7}
.k10 .yk-h--k,.k10 .yk-c--k,.k10 .yk-f--k{background:#EAF6FC}
.k10 .yk-h img,.k10 .yk-f img{display:block;width:118px;height:118px;margin:0 auto;object-fit:contain;border-radius:0}
.k10 .yk-name{margin:2px auto 6px;font-size:20px;line-height:1.3;font-weight:700;color:#5B6B7B}
.k10 .yk-h--k .yk-name{color:#24406A}
.k10 .yk-k{grid-column:1 / -1;max-width:none;margin:0;padding:12px 0 4px;text-align:center;line-height:1;background:linear-gradient(90deg,#F3F5F7 0,#F3F5F7 calc(50% - 7px),transparent calc(50% - 7px),transparent calc(50% + 7px),#EAF6FC calc(50% + 7px))}
.k10 .yk-k span{display:inline-block;padding:5px 12px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px rgba(36,64,106,.12);font-size:12px;line-height:1.2;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#5B6B7B}
.k10 .yk-c{padding-bottom:12px;text-align:center;font-size:17px;line-height:1.45;color:#5B6B7B;border-bottom:1px solid rgba(36,64,106,.08)}
.k10 .yk-c--k{color:#14222E;font-weight:600}
.k10 .yk-dots{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;margin:6px 0 0}
.k10 .yk-dots i{display:block}
.k10 .yk-dots .d-b{width:16px;height:6px;border-radius:99px;background:#3F8FD1;transform:rotate(-20deg)}
.k10 .yk-dots .d-y{width:9px;height:11px;border-radius:50%;background:#E9B81C}
.k10 .yk-dots .d-t{width:10px;height:6px;border-radius:99px;background:#2FA892;transform:rotate(25deg)}
.k10 .yk-c--y .yk-dots .d-b{background:#9DB3C6;transform:none}
.k10 .yk-batches{display:flex;justify-content:center;gap:10px;margin:6px 0 0}
.k10 .yk-batches .yk-dots{margin:0;padding:5px 7px;border-radius:9px;background:#fff;box-shadow:inset 0 0 0 1px rgba(36,64,106,.1)}
@media (max-width:560px){.k10 .yk{column-gap:8px}.k10 .yk-h,.k10 .yk-c,.k10 .yk-f{padding-left:10px;padding-right:10px}.k10 .yk-h img,.k10 .yk-f img{width:88px;height:88px}.k10 .yk-c{font-size:15px}.k10 .yk-name{font-size:17px}}

/* ---------- how many kinds: big number left, words right, one shared scale ---------- */
.k10.k10 .k10-main figure.hc.hc{margin:1.2em 0 1.8em}
.k10 .hc-title{margin:0 0 14px;font-size:20px;line-height:1.35;font-weight:700;color:#24406A}
.k10 .hc-rows{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.k10 .hc-rows li{display:grid;grid-template-columns:104px minmax(0,1fr);column-gap:16px;margin:0;padding:0;max-width:none;align-items:start}
.k10 .hc-v{grid-row:1 / span 3;white-space:nowrap;font-size:28px;line-height:1.1;font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums;text-align:right}
.k10 .hc-l{margin:0 0 7px;font-size:17px;line-height:1.4;color:#14222E}
.k10 .hc-s{margin:5px 0 0;font-size:13px;line-height:1.4;color:#7A8896}
.k10 .hc-s a{color:#5A7A99;text-decoration-color:rgba(90,122,153,.35)}
.k10 .hc-track{display:block;position:relative;height:10px;border-radius:99px;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(33.333% - 1px),#D9E3EC calc(33.333% - 1px),#D9E3EC 33.333%),#F1F5F8}
.k10 .hc-dot{position:absolute;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;border:3px solid #fff;box-shadow:0 1px 3px rgba(36,64,106,.3)}
.k10 .hc-bar{position:absolute;top:0;bottom:0;border-radius:99px}
.k10 .hc-v.hc--one{color:#2E6FA8}
.k10 .hc-v.hc--all{color:#B07E00}
.k10 .hc-dot.hc--one,.k10 .hc-bar.hc--one{background:#3F8FD1}
.k10 .hc-dot.hc--all,.k10 .hc-bar.hc--all{background:#E9B81C}
.k10 .hc-axis{position:relative;height:18px;margin:6px 0 0 120px}
.k10 .hc-axis-in span{position:absolute;transform:translateX(-50%);font-size:12px;color:#7A8896;font-variant-numeric:tabular-nums}
.k10 .hc-axis-in span:first-child{transform:none}
.k10 .hc-axis-in span:last-child{transform:translateX(-100%)}
.k10 .hc-key{display:flex;flex-wrap:wrap;gap:4px 18px;margin:10px 0 0;font-size:14px;color:#30465C}
.k10 .hc-k{display:flex;align-items:center;gap:6px}
.k10 .hc-k::before{content:"";width:12px;height:12px;border-radius:50%}
.k10 .hc-k.hc--one::before{background:#3F8FD1}
.k10 .hc-k.hc--all::before{background:#E9B81C}
.k10 figure.hc figcaption{margin:10px 0 0;font-size:14px;line-height:1.5;color:#5B6B7B;text-align:left;max-width:68ch}
@media (max-width:560px){.k10 .hc-rows li{grid-template-columns:74px minmax(0,1fr);column-gap:10px}.k10 .hc-v{font-size:21px}.k10 .hc-l{font-size:16px}.k10 .hc-axis{margin-left:84px}}

/* ---------- who's who: a short fact sheet per microbe ---------- */
.k10 .ww{display:grid;gap:22px;margin:1.2em 0 1.4em}
.k10 .ww-g{border-left:5px solid var(--c);padding:2px 0 2px 18px}
.k10 .ww-g--lab{--c:#3F8FD1;--soft:#EEF5FC}
.k10 .ww-g--yeast{--c:#E9B81C;--soft:#FDF6DE}
.k10 .ww-g--aab{--c:#2FA892;--soft:#E7F6F2}
.k10 .ww-h{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin:0 0 10px;font-size:22px;line-height:1.3;font-weight:700;color:#24406A}
.k10 .ww-h span:not(.ww-mk){font-size:16px;font-weight:400;color:#5B6B7B}
.k10 .ww-mk{display:inline-block;flex:none}
.k10 .ww-g--lab .ww-mk{width:22px;height:8px;border-radius:99px;background:#3F8FD1;transform:rotate(-20deg)}
.k10 .ww-g--yeast .ww-mk{width:14px;height:17px;border-radius:50%;background:#E9B81C}
.k10 .ww-g--aab .ww-mk{width:14px;height:9px;border-radius:99px;background:#2FA892;transform:rotate(25deg)}
.k10 .ww-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.k10 .ww-list li{margin:0;padding:12px 14px;max-width:none;border-radius:12px;background:var(--soft)}
.k10 .ww-n{margin:0;font-size:17px;line-height:1.35;font-weight:700;color:#14222E}
.k10 .ww-n i{font-style:italic}
.k10 .ww-tw{display:inline-block;margin-left:6px;font-size:12px;font-weight:600;font-style:normal;color:#2E6FA8;white-space:nowrap}
.k10 .ww-tw::before{content:"";display:inline-block;width:6px;height:6px;margin:0 5px 2px 0;border-radius:50%;background:#2E6FA8;vertical-align:middle}
.k10 .ww-one{margin:3px 0 8px;font-size:16px;line-height:1.5;color:#30465C}
.k10 .ww-f{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px 14px;margin:0}
.k10 .ww-f div{min-width:0}
.k10 .ww-f dt{margin:0;font-size:11px;line-height:1.3;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7A8896}
.k10 .ww-f dd{margin:1px 0 0;font-size:15px;line-height:1.4;color:#14222E}
.k10 .ww-some{margin:12px 0 0;font-size:14px;line-height:1.5;color:#5B6B7B;font-style:italic}
.k10 .ww-some b{font-style:normal;color:#30465C}
.k10 .ww-asked{border-radius:14px;background:#F3F5F7;padding:14px 18px}
.k10 .ww-ah{margin:0 0 6px;font-size:16px;font-weight:700;color:#30465C}
.k10 .ww-asked ul{margin:0;padding:0 0 0 1.1em}
.k10 .ww-asked li{margin:0 0 5px;font-size:15px;line-height:1.5;color:#30465C}
.k10 .ww-src{margin:0;font-size:13px;line-height:1.5;color:#7A8896}
.k10 .ww-src a{color:#5A7A99;text-decoration-color:rgba(90,122,153,.35)}
@media (max-width:560px){.k10 .ww-g{padding-left:12px}.k10 .ww-f{grid-template-columns:1fr 1fr}.k10 .ww-list li{padding:10px 12px}}

/* ---------- larger type on desktop (Nikola 2026-11-12: "why is text on desktop so small") ---------- */
@media (min-width:768px){
.k10{font-size:19px;line-height:1.7}
.k10 .k10-lead{font-size:21px;line-height:1.6}
.k10 h3{font-size:21px}
.k10 .k10-byline{font-size:15px}
.k10 .k10-takeaways h2{font-size:24px}
.k10 figcaption,.k10 figure.kg .kg-cap,.k10 figure.kc figcaption,.k10 figure.hc figcaption{font-size:15px}
.k10 .k10-rail{font-size:15px;line-height:1.4}
.k10 .k10-toc-title{font-size:12px}
.k10 .k10-railcta-title{font-size:19px}
.k10 .k10-railcta-text{font-size:14px}
.k10 .k10-railcta-btn{font-size:14px}
.k10 .k10-float{font-size:17px}
.k10 .k10-author{font-size:17px}
.k10 .k10-papers li{font-size:16px}
.k10 .yk-c{font-size:18px}
.k10 .yk-k span{font-size:13px}
.k10 .hc-title{font-size:22px}
.k10 .hc-l{font-size:18px}
.k10 .hc-s{font-size:14px}
.k10 .hc-key{font-size:15px}
.k10 .ww-n{font-size:18px}
.k10 .ww-one{font-size:17px}
.k10 .ww-f dt{font-size:12px}
.k10 .ww-f dd{font-size:16px}
.k10 .ww-some,.k10 .ww-asked li{font-size:16px}
.k10 .ww-src{font-size:14px}
.k10 .kg-info{font-size:18px}
.k10 .kg-mode button,.k10 .kg-chips button{font-size:16px}
.k10 .kc-title{font-size:23px}
.k10 .kc-lab,.k10 .kc-set{font-size:16px}
.k10 .kc-legend{font-size:14px}
.k10 .kc-mrow small{font-size:14px}
.k10 .kc .kc-tick{font-size:14px}
}
/* FAQ cards and full-width headings come from the shared page.css (articles-batch4-2026-11-04/page.css). *//* End custom CSS */