/* MEF Fuel Science 20.11.11 - scoped site stylesheet. Shared teaser styling. */
.mef-fs {--fs-navy:#071218;--fs-teal:#132b35;--fs-deep:#0a2028;--fs-cyan:#63caee;--fs-border:#31515c;--fs-muted:#b8cbd3;--fs-white:#ffffff;color:var(--fs-white);font-family:Montserrat,Arial,sans-serif;line-height:1.55;box-sizing:border-box;}
.mef-fs *, .mef-fs *::before,.mef-fs *::after{box-sizing:border-box}
.mef-fs a{color:var(--fs-cyan);text-decoration:none}
.mef-fs a:hover{text-decoration:underline}
.mef-fs :where(button,a,input):focus-visible{outline:3px solid var(--fs-cyan);outline-offset:3px}
.mef-fs button{font:inherit;cursor:pointer}
.mef-fs__eyebrow{font-size:12px;letter-spacing:.16em;color:var(--fs-cyan);font-weight:700;text-transform:uppercase}
.mef-fs__inner{max-width:1180px;margin:0 auto;padding:0 30px}
.mef-fs--hub{background:var(--fs-navy);padding:46px 0 66px;isolation:isolate;overflow:clip;border-radius:0}
.mef-fs__hero{padding:4px 0 28px}
.mef-fs__hero h1{color:#fff;font-size:clamp(34px,4.5vw,56px);font-weight:700;letter-spacing:-.036em;line-height:1.13;margin:12px 0 16px}
.mef-fs__hero p{color:#bfd0d7;max-width:720px;margin:0;font-size:16px;line-height:1.7}
.mef-fs__counts{font-size:12px;color:#bed0d8;margin-top:20px}
.mef-fs__counts strong{color:#fff}
.mef-fs__two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;margin:0 0 44px}
.mef-fs__panel{background:var(--fs-teal);border:1px solid var(--fs-border);border-radius:5px}
.mef-fs__featured{padding:28px;min-height:327px;display:flex;flex-direction:column}
.mef-fs__feature-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.mef-fs__pill{padding:5px 9px;border:1px solid #3e5b65;border-radius:3px;background:#24434d;color:#d9e8ee;text-transform:uppercase;letter-spacing:.09em;font-size:10px}
.mef-fs__index{color:#a9c0c9;font-size:12px}
.mef-fs__featured h2{font-weight:700;font-size:clamp(22px,2.6vw,32px);line-height:1.21;color:#fff;margin:22px 0 10px;letter-spacing:-.025em}
.mef-fs__featured-summary{color:#bdd0d6;margin:0 0 16px;font-size:14px}
.mef-fs__player{background:var(--fs-deep);border:1px solid #42616d;border-radius:5px;padding:16px;margin-top:auto}
.mef-fs__player-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:11px;font-size:12px}
.mef-fs__player-head strong{color:var(--fs-cyan);font-size:12px;letter-spacing:.035em}
.mef-fs__player-head span{color:#dceaf0}
.mef-fs__native-audio{width:100%;height:48px;display:block;color-scheme:dark}
.mef-fs.js .mef-fs__native-audio{display:none}
.mef-fs__controls{display:none;gap:15px;align-items:center}
.mef-fs.js .mef-fs__controls{display:flex}
.mef-fs__play{background:var(--fs-cyan);color:var(--fs-navy);border:0;border-radius:50%;height:44px;width:44px;min-width:44px;display:grid;place-items:center;padding:0;font-size:18px}
.mef-fs__play:hover{background:#90dfff}
.mef-fs__seek-area{flex:1;min-width:0}
.mef-fs__seek{width:100%;accent-color:var(--fs-cyan);cursor:pointer;display:block;margin:0;min-height:24px;padding:0}
.mef-fs__time-row{display:flex;justify-content:space-between;font-size:11px;color:#c2d5db}
.mef-fs__player-help{font-size:11px;color:#a5c1cc;margin:9px 0 0}
.mef-fs__player-status{color:#e6f3f7;font-size:11px;min-height:0;margin-top:7px}
.mef-fs__about{padding:25px 28px}
.mef-fs__about h2{font-weight:700;color:#fff;font-size:21px;line-height:1.3;margin:8px 0 12px}
.mef-fs__about p{color:#bfd0d7;font-size:14px;margin:8px 0}
.mef-fs__tags{display:flex;gap:6px;flex-wrap:wrap;margin:17px 0}
.mef-fs__tag{border:1px solid #3e5b65;color:#c7dce3;background:#17353e;border-radius:3px;font-size:11px;padding:5px 8px}
.mef-fs__note{color:#a9c5cf;border-top:1px solid var(--fs-border);padding-top:16px;margin-top:16px;font-size:13px;line-height:1.6}
.mef-fs__section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.mef-fs__section-head h2{color:#fff;font-size:29px;font-weight:700;line-height:1.2;letter-spacing:-.023em;margin:5px 0 0}
.mef-fs__section-head p{margin:0;color:#adbec6;font-size:12px}
.mef-fs__filters{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 20px}
.mef-fs__filter{border:1px solid var(--fs-border);background:transparent;color:#c1d6de;border-radius:4px;padding:9px 12px;font-size:12px}
.mef-fs__filter[aria-pressed="true"]{background:var(--fs-cyan);border-color:var(--fs-cyan);color:#071218;font-weight:700}
.mef-fs__episodes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.mef-fs__episode{min-height:169px;display:flex;flex-direction:column;gap:0;text-align:left;color:#fff!important;background:var(--fs-teal);border:1px solid var(--fs-border);border-radius:5px;padding:19px 20px;box-shadow:none;text-decoration:none!important}
.mef-fs__episode[href]:hover,.mef-fs__episode.is-selected{border-color:var(--fs-cyan)}
.mef-fs__episode--planned{opacity:.73;cursor:default}
.mef-fs__episode-top,.mef-fs__episode-bottom{display:flex;gap:12px;justify-content:space-between;align-items:center}
.mef-fs__episode-num{color:var(--fs-cyan);font-size:12px;font-weight:700;letter-spacing:.08em}
.mef-fs__episode-cat{color:#adbec7;font-size:10px;text-align:right}
.mef-fs__episode h3{color:#fff;font-size:17px;font-weight:700;line-height:1.32;margin:13px 0 8px}
.mef-fs__episode-summary{color:#bdced5;font-size:12px;margin:0 0 17px}
.mef-fs__episode-bottom{color:#bcd0d9;margin-top:auto;font-size:12px}
.mef-fs__episode-action{color:var(--fs-cyan);font-weight:700;white-space:nowrap}
.mef-fs__episode--planned .mef-fs__episode-action{color:#bcc8cd}
.mef-fs__footer-note{margin-top:24px;font-size:12px;color:#adbec7}
/* Shared teaser component. Both Home and Products use identical markup and CSS. */
.mef-fs--teaser{width:100%;max-width:100%;}
.mef-fs__teaser{background:var(--fs-teal);border:1px solid var(--fs-border);border-radius:5px;padding:20px 25px;min-height:116px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.mef-fs__teaser-copy{flex:1;min-width:0}
.mef-fs__teaser h2{color:#fff;font-size:20px;font-weight:700;line-height:1.3;margin:5px 0 4px}
.mef-fs__teaser p{font-size:13px;color:#b7cbd2;line-height:1.55;margin:4px 0}
.mef-fs__teaser-cta{color:var(--fs-cyan)!important;border:1px solid #426675;border-radius:4px;min-height:44px;padding:11px 16px;text-decoration:none!important;font-weight:700;font-size:12px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center}
.mef-fs__teaser-cta:hover{border-color:var(--fs-cyan)}
.mef-fs__coming{margin-left:5px}
.mef-fs [hidden]{display:none!important}
@media(max-width:850px){.mef-fs__two-col{grid-template-columns:1fr}.mef-fs__episodes{grid-template-columns:repeat(2,minmax(0,1fr))}.mef-fs__teaser{flex-direction:column;align-items:stretch}.mef-fs__teaser-cta{align-self:flex-start}}
@media(max-width:550px){.mef-fs__inner{padding:0 17px}.mef-fs--hub{padding:35px 0 48px}.mef-fs__hero h1{font-size:37px}.mef-fs__hero p{font-size:15px}.mef-fs__two-col{gap:13px;margin-bottom:35px}.mef-fs__featured,.mef-fs__about{padding:19px;min-height:0}.mef-fs__featured h2{font-size:25px}.mef-fs__player{padding:13px}.mef-fs__section-head{display:block}.mef-fs__section-head p{margin-top:9px}.mef-fs__section-head h2{font-size:27px}.mef-fs__episodes{grid-template-columns:1fr}.mef-fs__episode{min-height:149px}.mef-fs__filter{font-size:11px;padding:8px 9px}.mef-fs__teaser{padding:19px;min-height:0}}
@media(prefers-reduced-motion:reduce){.mef-fs *{scroll-behavior:auto!important;transition:none!important}}

/* Integrated page: keep existing header, navigation, site footer and modals. */
.mef-fuel-science-main .mef-fs--hub{padding-top:173px;min-height:70vh}
.mef-fuel-science-page .mef-fs__inner{width:min(1180px,calc(100% - 60px));padding:0}
.mef-fs-teaser-section{padding:34px 0;background:#071218;border-top:1px solid #28434e}
.mef-fs-teaser-section .mef-fs__teaser-cta{gap:6px}
.mef-fs__cta-arrow{font-size:18px;line-height:1;font-weight:500}
/* Latest approved ToS state: inert reserved space on desktop, absent on mobile. */
#mef-site-footer .mef-tos-reserved{display:inline-block;width:78px;min-height:1px;pointer-events:none;flex:0 0 78px}
@media(max-width:850px){.mef-fuel-science-main .mef-fs--hub{padding-top:150px}}
@media(max-width:700px){#mef-site-footer .mef-tos-reserved{display:none}}
@media(max-width:550px){.mef-fuel-science-main .mef-fs--hub{padding-top:125px}.mef-fuel-science-page .mef-fs__inner{width:calc(100% - 34px)}.mef-fs-teaser-section{padding:22px 0}}

/* 20.11.13 - align catalogue copy with its headings and card content. */
.mef-fs__section-head{align-items:center;}
.mef-fs__section-head p{max-width:330px;text-align:left;line-height:1.5;}
.mef-fs__episode{text-align:left;}
.mef-fs__episode h3,.mef-fs__episode-summary{text-align:left;}
.mef-fs__episode-bottom{align-items:center;gap:12px;}
.mef-fs__episode-bottom>span:first-child{flex:none;white-space:nowrap;}
.mef-fs__episode-bottom>.mef-fs__episode-action{margin-left:auto;}
@media(max-width:550px){.mef-fs__section-head p{max-width:none;text-align:left;}}

/* 20.11.14 - Approved listening experience. The original MEF cards, palette,
   audio buttons and sitewide component styles remain the baseline. */
.mef-fs__playback-tools{display:none;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px}
.mef-fs.js .mef-fs__playback-tools{display:flex}
.mef-fs__tool,.mef-fs__speed-label select{background:#102a34;border:1px solid #42616d;border-radius:4px;color:#d7e9ee;font-size:12px;padding:8px 10px;min-height:36px}
.mef-fs__tool:hover,.mef-fs__speed-label select:hover{border-color:var(--fs-cyan)}
.mef-fs__speed-label{font-size:12px;color:#bed0d8;display:flex;align-items:center;gap:7px;margin-left:auto}
.mef-fs__speed-label select{padding:5px 22px 5px 7px;min-width:76px;cursor:pointer}
.mef-fs__up-next{background:#0f2933;border:1px solid var(--fs-border);border-radius:5px;padding:14px 16px;margin-top:12px}
.mef-fs__up-next-label{font-size:10px;letter-spacing:.12em;color:var(--fs-cyan);font-weight:700}
.mef-fs__up-next-main{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:5px}
.mef-fs__up-next-main>div{min-width:0;display:flex;flex-direction:column;gap:3px}
.mef-fs__up-next-main strong{font-size:13px;color:#fff;line-height:1.35}
.mef-fs__up-next-main span{color:#abc4ce;font-size:11px}
.mef-fs__next-button{border:1px solid #426675;background:transparent;color:var(--fs-cyan);font-size:12px;font-weight:700;border-radius:4px;min-height:40px;padding:9px 12px;white-space:nowrap;flex:none}
.mef-fs__next-button:hover{border-color:var(--fs-cyan)}
.mef-fs__preferences{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:14px;padding-top:13px;border-top:1px solid var(--fs-border)}
.mef-fs__check{display:inline-flex;align-items:flex-start;gap:8px;color:#c0d4dc;font-size:12px;line-height:1.4;cursor:pointer}
.mef-fs__check input{accent-color:var(--fs-cyan);width:16px;height:16px;flex:0 0 16px;margin:0;cursor:pointer}
.mef-fs__reset{border:0;background:transparent;color:var(--fs-cyan);font-size:12px;text-decoration:underline;padding:2px 0}
.mef-fs__browse-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:-3px 0 15px}
.mef-fs__view-toggle{display:inline-flex;gap:5px;align-items:center}
.mef-fs__view-toggle button,.mef-fs__continue{border:1px solid var(--fs-border);background:transparent;color:#c4d7df;border-radius:4px;padding:8px 13px;min-height:38px;font-size:12px}
.mef-fs__view-toggle button[aria-pressed="true"]{background:var(--fs-cyan);color:var(--fs-navy);border-color:var(--fs-cyan);font-weight:700}
.mef-fs__continue{border-color:#426675;color:var(--fs-cyan);font-weight:700}
.mef-fs__episode-progress{margin-top:10px;display:flex;align-items:center;gap:10px;color:#9ebbc6;font-size:10px}
.mef-fs__episode-progress[data-state="progress"]{color:#e1ecf0}
.mef-fs__episode-progress[data-state="completed"]{color:var(--fs-cyan)}
.mef-fs__progress-track{width:53px;height:3px;background:#34505b;border-radius:4px;overflow:hidden}
.mef-fs__progress-fill{display:block;height:100%;background:var(--fs-cyan);border-radius:4px}
.mef-fs__episode.is-playing{border-color:var(--fs-cyan)}
.mef-fs__episode-action{gap:7px}
.mef-fs__episode-action [data-fs-card-icon] img{width:15px;height:15px;display:block;object-fit:contain}
.mef-fs[data-fs-view="list"] .mef-fs__episodes{display:grid;grid-template-columns:1fr;gap:8px}
.mef-fs[data-fs-view="list"] .mef-fs__episode{display:grid;grid-template-columns:42px minmax(0,1fr) 116px 135px;grid-template-rows:auto auto;grid-template-areas:"num title progress controls" "num summary progress controls";align-items:center;gap:3px 12px;min-height:75px;padding:13px 16px}
.mef-fs[data-fs-view="list"] .mef-fs__episode-top{grid-area:num;align-self:center}
.mef-fs[data-fs-view="list"] .mef-fs__episode-cat{display:none}
.mef-fs[data-fs-view="list"] .mef-fs__episode h3{grid-area:title;margin:0;font-size:14px;line-height:1.35}
.mef-fs[data-fs-view="list"] .mef-fs__episode-summary{grid-area:summary;margin:0;font-size:11px;line-height:1.4}
.mef-fs[data-fs-view="list"] .mef-fs__episode-bottom{grid-area:controls;display:flex;flex-direction:column;align-items:flex-end;gap:5px;margin:0}
.mef-fs[data-fs-view="list"] .mef-fs__episode-action{font-size:11px}
.mef-fs[data-fs-view="list"] .mef-fs__episode-progress{grid-area:progress;align-self:center;margin:0;justify-content:end}
/* One native audio element; this fixed bar is only a remote control for it. */
.mef-fs__mini{position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:1009;background:#132b35;color:#fff;border:1px solid #456b7a;box-shadow:0 8px 30px rgba(0,0,0,.42);border-radius:5px;padding:10px 12px 9px;max-width:660px;margin:0 auto}
.mef-fs__mini[hidden]{display:none!important}
.mef-fs__mini-top{display:flex;align-items:center;gap:10px}
.mef-fs__mini-title{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;text-align:left;flex:1;min-width:0;background:transparent;border:0;padding:0;color:#fff}
.mef-fs__mini-title span{color:var(--fs-cyan);font-size:9px;letter-spacing:.09em;font-weight:700}
.mef-fs__mini-title strong{font-size:12px;line-height:1.35;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mef-fs__mini-play{width:42px;height:42px;min-width:42px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:var(--fs-cyan);color:var(--fs-navy);line-height:0}
.mef-fs__mini-play:hover{background:#90dfff}
.mef-fs__mini-play .mef-audio-icon{height:23px;width:23px;object-fit:contain;margin:0;display:block}
.mef-fs__mini-track{height:3px;background:#355562;margin-top:9px;border-radius:3px;overflow:hidden}
.mef-fs__mini-track span{height:100%;background:var(--fs-cyan);display:block;width:0;transition:width .18s linear}
body.mef-fs-has-mini{padding-bottom:calc(100px + env(safe-area-inset-bottom,0px))!important}
@media(min-width:701px){.mef-fs__mini{display:none!important}body.mef-fs-has-mini{padding-bottom:0!important}}
@media(max-width:850px){.mef-fs[data-fs-view="list"] .mef-fs__episode{grid-template-columns:35px minmax(0,1fr) 110px;grid-template-areas:"num title controls" "num summary controls" "num progress controls"}}
@media(max-width:550px){
  .mef-fs__browse-bar{flex-wrap:wrap;align-items:flex-start}
  .mef-fs__view-toggle button,.mef-fs__continue{min-height:40px}
  .mef-fs__up-next-main{align-items:flex-start;flex-direction:column}
  .mef-fs__next-button{align-self:flex-start}
  .mef-fs__speed-label{margin-left:0}
  .mef-fs__playback-tools{gap:7px}
  .mef-fs__tool{padding:8px;font-size:11px}
  .mef-fs[data-fs-view="list"] .mef-fs__episode{grid-template-columns:27px minmax(0,1fr);grid-template-rows:auto auto auto auto;grid-template-areas:"num title" "num summary" "num controls" "num progress";gap:6px 8px;min-height:108px;padding:12px}
  .mef-fs[data-fs-view="list"] .mef-fs__episode-bottom{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .mef-fs[data-fs-view="list"] .mef-fs__episode-progress{justify-content:start}
  .mef-fs__mini{left:9px;right:9px}
}
@media(prefers-reduced-motion:reduce){.mef-fs__mini-track span{transition:none}}