:root{--ink:#10241c;--green:#1a5c38;--mint:#e8f3ec;--line:#d5e4db;--muted:#4d5f57;--paper:#f3f7f4;--serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;--sans:"Segoe UI Variable","Aptos","Segoe UI",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65}a{color:inherit}.public-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:16px clamp(22px,5vw,76px);border-bottom:1px solid rgba(16,36,28,.1);background:rgba(243,247,244,.94);backdrop-filter:blur(16px)}.public-brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-size:1.05rem;text-decoration:none}.public-brand img{border-radius:10px}.public-brand strong{color:var(--green)}.public-header nav{display:flex;align-items:center;gap:25px}.public-header nav a{font-size:0.875rem;font-weight:700;text-decoration:none}.public-header nav a:hover{color:var(--green)}.public-nav-cta{padding:10px 16px;border:1px solid var(--green);border-radius:999px}.public-hero{min-height:520px;display:grid;align-items:center;padding:clamp(74px,10vw,142px) clamp(24px,10vw,160px);background:radial-gradient(ellipse at 88% 8%,rgba(126,228,138,.18),transparent 42%),linear-gradient(165deg,#0c1f16 0%,#145232 58%,#0f2e20 100%);color:#fff}.public-hero>div{max-width:880px}.public-eyebrow{margin:0 0 17px;color:#58d1a6;font-size:0.875rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase}.public-hero h1{max-width:980px;margin:0;font:650 clamp(2.4rem,5vw,4.2rem)/1.1 var(--serif);letter-spacing:-.028em}.public-lead{max-width:800px;margin:26px 0 0;color:#d5cfc3;font-size:clamp(1.05rem,1.7vw,1.22rem);font-weight:400}.public-meta,.public-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.public-meta span{padding:8px 13px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#e8f4ef;font-size:0.875rem;font-weight:700}.public-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border:1px solid rgba(255,255,255,.35);border-radius:8px;font-size:0.875rem;font-weight:800;text-decoration:none}.public-actions a.primary{border-color:#7ee48a;background:#7ee48a;color:#10241c}.public-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:30px;max-width:1180px;margin:0 auto;padding:clamp(70px,9vw,124px) 24px}.public-grid article,.public-grid aside{padding:clamp(30px,5vw,58px);border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 18px 60px rgba(7,27,23,.06)}.public-grid aside{background:var(--mint)}.public-grid h2,.public-next h2,.public-card-list h2,.public-steps h2{margin:0 0 20px;font:700 clamp(1.65rem,3vw,2.6rem)/1.12 var(--serif);letter-spacing:-.025em}.public-grid h3{margin:32px 0 12px}.public-grid ul,.public-card-list ul{padding-left:21px}.public-grid li,.public-card-list li{margin:8px 0}.public-grid blockquote{margin:30px 0 0;padding-left:22px;border-left:3px solid var(--green);font:italic 1.25rem/1.5 var(--serif)}.text-link{display:inline-block;margin-top:20px;color:var(--green);font-weight:800;text-decoration:none}.public-next{max-width:1180px;margin:0 auto;padding:0 24px clamp(80px,10vw,130px)}.public-next>div{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.public-next a{display:flex;flex-direction:column;gap:8px;padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none}.public-next a[aria-current=page]{border-color:var(--green);background:var(--mint)}.public-next span{color:var(--muted);font-size:0.875rem}.public-card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;max-width:1180px;margin:0 auto;padding:clamp(70px,9vw,124px) 24px}.public-card-list article{padding:34px;border:1px solid var(--line);border-radius:20px;background:#fff}.public-card-list h2{font-size:1.75rem}.public-card-list article>a{display:inline-block;margin-top:15px;color:var(--green);font-weight:800;text-decoration:none}.public-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:0 auto;padding:clamp(70px,9vw,124px) 24px 0}.public-steps article{padding:34px;border:1px solid var(--line);border-radius:18px;background:#fff}.public-steps article>span{color:var(--green);font-size:0.875rem;font-weight:900}.public-steps h2{margin-top:18px;font-size:1.75rem}.instructor-hero{grid-template-columns:minmax(260px,420px) minmax(0,1fr);gap:clamp(40px,7vw,100px)}.instructor-hero picture,.instructor-hero img{display:block;width:100%}.instructor-hero img{aspect-ratio:1;object-fit:cover;border-radius:24px}.legal-hero{min-height:380px}.legal-content{max-width:960px;margin:0 auto;padding:clamp(58px,8vw,110px) 24px;font-size:.95rem}.legal-content h2,.legal-content h3{margin-top:2em;font-family:var(--serif);line-height:1.25}.legal-content a{color:var(--green)}.legal-content ul{padding-left:24px}.legal-content [style]{max-width:100%}.public-footer{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:46px;padding:60px clamp(24px,7vw,110px) 30px;background:#061914;color:#d3e4de}.public-footer>div{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.public-footer a{text-decoration:none}.public-footer a:hover{color:#58d1a6}.public-footer strong{color:#fff}.public-footer p{max-width:340px;color:#98aca5;font-size:0.875rem}.public-footer small{grid-column:1/-1;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);color:#839790}
:root{--accent:#0d7a5f;--accent-glow:#2dad7f;--border:#dbe8e2}
html{font-size:18px}
@media(max-width:820px){.public-header nav a:not(.public-nav-cta){display:none}.public-hero{min-height:460px;padding:80px 24px}.public-grid,.public-steps,.instructor-hero{grid-template-columns:1fr}.instructor-hero{gap:35px}.instructor-hero picture{max-width:360px}.public-card-list{grid-template-columns:1fr}.public-next>div{grid-template-columns:1fr}.public-footer{grid-template-columns:1fr}.public-footer small{grid-column:auto}}
@media(max-width:480px){.public-header{padding:12px 16px}.public-header nav{gap:8px}.public-nav-cta{padding:8px 11px}.public-brand span{font-size:.9rem}.public-hero h1{font-size:2.55rem}.public-actions{align-items:stretch}.public-actions a{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Excel Tudástár */
.knowledge-hero,.article-hero{min-height:500px}
.knowledge-browser{max-width:1180px;margin:0 auto;padding:clamp(58px,8vw,94px) 24px clamp(70px,9vw,124px)}
.knowledge-progress-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:28px;align-items:center;margin-bottom:42px;padding:clamp(28px,4vw,44px);border:1px solid #bdd9cd;border-radius:20px;background:linear-gradient(135deg,#effaf5,#e1f4eb)}
.knowledge-progress-panel .public-eyebrow{margin-bottom:9px;color:var(--green)}
.knowledge-progress-panel h2{margin:0;font:700 clamp(1.7rem,3vw,2.5rem)/1.12 var(--serif);letter-spacing:-.025em}
.knowledge-progress-panel p:not(.public-eyebrow){max-width:680px;margin:12px 0 0;color:var(--muted);font-size:.9rem}
.knowledge-progress-summary{display:grid;gap:13px}
.knowledge-progress-summary>strong{font-size:0.875rem}
.knowledge-progress-bar{height:10px;overflow:hidden;border-radius:999px;background:#c8e2d7}
.knowledge-progress-bar span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),#2dad7f);transition:width .25s ease}
.knowledge-progress-summary>a{justify-self:start;color:var(--green);font-size:0.875rem;font-weight:850;text-decoration:none}
.knowledge-progress-summary>a:hover{text-decoration:underline}
.knowledge-tools{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,340px);gap:18px 32px;align-items:start;padding-bottom:28px;border-bottom:1px solid var(--line)}
.knowledge-filter-stack{display:grid;gap:18px}
.knowledge-filter-stack>div{display:grid;gap:8px}
.knowledge-filter-label{color:var(--muted);font-size:0.875rem;font-weight:800}
.knowledge-filter{display:flex;flex-wrap:wrap;gap:9px}
.knowledge-filter button{min-height:40px;padding:0 15px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font:750 0.875rem/1 var(--sans);cursor:pointer}
.knowledge-filter button:hover,.knowledge-filter button:focus-visible{border-color:var(--green);color:var(--green);outline:none}
.knowledge-filter button[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:#fff}
.knowledge-search{display:grid;gap:7px;color:var(--muted);font-size:0.875rem;font-weight:800}
.knowledge-search input{width:100%;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:0.875rem}
.knowledge-search input:focus{border-color:var(--green);outline:3px solid rgba(13,122,95,.12)}
.knowledge-result{grid-column:1/-1;margin:0;color:var(--muted);font-size:0.875rem}
.knowledge-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;max-width:1180px;margin:0 auto;padding:clamp(70px,9vw,124px) 24px}
.knowledge-browser .knowledge-list{padding:34px 0 0}
.knowledge-card{display:flex;min-width:0;flex-direction:column;padding:34px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 18px 55px rgba(7,27,23,.055)}
.knowledge-card[hidden]{display:none}
.knowledge-card.is-completed{border-color:#9bcfba;background:linear-gradient(180deg,#fff,#f7fcf9)}
.knowledge-card-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:var(--green);font-size:0.875rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase}
.knowledge-card-status{align-self:flex-start;margin-top:14px;padding:5px 9px;border-radius:999px;background:#dff3ea;color:#08664f;font-size:0.875rem;font-weight:850}
.knowledge-card-status[hidden]{display:none}
.knowledge-card h2{margin:24px 0 14px;font:700 clamp(1.55rem,2.4vw,2rem)/1.14 var(--serif);letter-spacing:-.025em}
.knowledge-card h2 a{text-decoration:none}
.knowledge-card h2 a:hover{color:var(--green)}
.knowledge-card p{margin:0;color:var(--muted);font-size:.9rem}
.knowledge-card ul{margin:24px 0;padding-left:20px;font-size:0.875rem}
.knowledge-card li{margin:8px 0}
.knowledge-card-link{align-self:flex-start;margin-top:auto;padding-top:13px;color:var(--green);font-size:0.875rem;font-weight:850;text-decoration:none}
.knowledge-card-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.knowledge-card-actions .knowledge-card-link{margin-top:0;padding-top:0}
.knowledge-card-actions button{min-height:36px;padding:0 11px;border:1px solid #b8d6c9;border-radius:8px;background:#fff;color:var(--muted);font:800 0.875rem/1.15 var(--sans);cursor:pointer}
.knowledge-card-actions button:hover,.knowledge-card-actions button:focus-visible{border-color:var(--green);color:var(--green);outline:none}
.knowledge-card-actions button[aria-pressed=true]{border-color:var(--green);background:var(--green);color:#fff}
.knowledge-empty{grid-column:1/-1;padding:46px 24px;border:1px dashed #b7cbc2;border-radius:18px;background:#f4f8f6;text-align:center}
.knowledge-empty[hidden]{display:none}
.knowledge-empty strong{font:700 1.7rem/1.2 var(--serif)}
.knowledge-empty p{margin:10px 0 0;color:var(--muted)}
.knowledge-bridge{padding:0 24px clamp(84px,10vw,132px)}
.knowledge-bridge>div{max-width:1132px;margin:0 auto;padding:clamp(34px,5vw,56px);border-radius:22px;background:var(--mint)}
.knowledge-bridge h2{max-width:850px;margin:0;font:700 clamp(1.8rem,3.3vw,3rem)/1.1 var(--serif);letter-spacing:-.03em}
.knowledge-bridge p:not(.public-eyebrow){max-width:760px;color:var(--muted)}
.knowledge-bridge a{display:inline-block;margin-top:8px;color:var(--green);font-weight:850;text-decoration:none}
.article-hero>div{max-width:980px}
.article-read-progress{position:fixed;top:0;left:0;z-index:30;width:100%;height:4px;background:rgba(13,122,95,.12);pointer-events:none}
.article-read-progress span{display:block;width:0;height:100%;background:#55d3a6;box-shadow:0 0 8px rgba(85,211,166,.45)}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(230px,280px);gap:clamp(36px,6vw,74px);max-width:1180px;margin:0 auto;padding:clamp(62px,8vw,108px) 24px}
.article-body{min-width:0}
.article-body h2{margin:0 0 20px;font:700 clamp(1.7rem,3vw,2.55rem)/1.15 var(--serif);letter-spacing:-.025em}
.article-body p{color:#31443d;font-size:1rem;line-height:1.78}
.article-body ul{padding-left:23px}
.article-body li{margin:9px 0}
.article-takeaways{padding:clamp(28px,4vw,42px);border:1px solid var(--line);border-radius:18px;background:var(--mint)}
.article-takeaways .public-eyebrow,.article-callout .public-eyebrow,.article-course-cta .public-eyebrow{color:var(--green)}
.article-practice-file{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.44fr);gap:28px;align-items:center;margin-top:24px;padding:clamp(28px,4vw,42px);border:1px solid #a9d7c5;border-radius:18px;background:linear-gradient(135deg,#f3fbf7,#e4f6ed)}
.article-practice-file .public-eyebrow{margin-bottom:8px;color:var(--green)}
.article-practice-file h2{margin-bottom:12px;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.article-practice-file p:not(.public-eyebrow){margin:0;color:#31443d}
.article-practice-actions{display:flex;flex-direction:column;gap:9px;align-items:stretch}
.article-practice-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 16px;border-radius:9px;background:var(--green);color:#fff;font-size:0.875rem;font-weight:850;text-align:center;text-decoration:none}
.article-practice-actions a:hover,.article-practice-actions a:focus-visible{background:var(--ink);outline:3px solid rgba(13,122,95,.18);outline-offset:2px}
.article-practice-actions span{color:var(--muted);font-size:0.875rem;font-weight:750;line-height:1.45;text-align:center}
.article-section{padding:clamp(42px,6vw,68px) 0;border-bottom:1px solid var(--line);scroll-margin-top:110px}
.article-section:first-of-type{padding-top:clamp(46px,6vw,70px)}
.article-formula{margin:30px 0 0;overflow:hidden;border:1px solid #bdd9cd;border-radius:13px;background:#071b17;color:#fff}
.article-formula figcaption{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 12px 10px 17px;border-bottom:1px solid rgba(255,255,255,.14);color:#8ddbbd;font-size:0.875rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.article-formula figcaption button{min-height:34px;padding:0 11px;border:1px solid rgba(141,219,189,.45);border-radius:7px;background:rgba(255,255,255,.06);color:#b8efd9;font:800 0.875rem/1 var(--sans);letter-spacing:0;text-transform:none;cursor:pointer}
.article-formula figcaption button:hover,.article-formula figcaption button:focus-visible{border-color:#74e0b8;background:#123c31;outline:none}
.article-formula pre{margin:0;padding:20px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.article-formula code{font:600 .9rem/1.6 Consolas,"Courier New",monospace}
.article-formula-status{min-height:0;margin:0!important;padding:0 17px;color:#8ddbbd!important;font-size:0.875rem!important;font-weight:750}
.article-formula-status:not(:empty){min-height:38px;padding-top:8px;padding-bottom:10px;border-top:1px solid rgba(255,255,255,.1)}
.article-formula-download{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 17px;border-top:1px solid rgba(255,255,255,.14);background:#10362d;color:#d8f8eb;font-size:0.875rem;text-decoration:none}
.article-formula-download strong{color:#fff}
.article-formula-download span{color:#aee5d0;text-align:right}
.article-formula-download:hover,.article-formula-download:focus-visible{background:#185342;outline:3px solid #74e0b8;outline-offset:-3px}
.article-callout{margin-top:clamp(46px,6vw,70px);padding:clamp(28px,4vw,42px);border-left:4px solid var(--green);border-radius:0 16px 16px 0;background:#f0f5f2}
.article-author-proof{display:grid;grid-template-columns:128px minmax(0,1fr);gap:26px;align-items:start;margin-top:30px;padding:clamp(28px,4vw,40px);border:1px solid var(--line);border-radius:18px;background:#fff}
.article-author-proof>img{width:128px;height:128px;object-fit:cover;border-radius:18px}
.article-author-proof .public-eyebrow{margin-bottom:8px;color:var(--green)}
.article-author-proof h2{margin-bottom:11px;font-size:1.65rem}
.article-author-proof p{margin:0;color:var(--muted);font-size:.95rem}
.article-author-proof ul{margin:16px 0 0;padding-left:20px;color:#31443d}
.article-author-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px}
.article-author-links a{color:var(--green);font-weight:850;text-decoration:none}
.article-author-links a:hover{text-decoration:underline}
.article-course-cta{margin-top:30px;padding:clamp(30px,5vw,48px);border-radius:18px;background:#071b17;color:#fff}
.article-course-cta h2{color:#fff}
.article-course-cta p:not(.public-eyebrow){color:#bfd0ca}
.article-course-cta a{display:inline-block;margin-top:10px;color:#74e0b8;font-weight:850;text-decoration:none}
.article-share{margin-top:30px;padding:clamp(28px,4vw,40px);border:1px solid var(--line);border-radius:18px;background:#fff}
.article-share .public-eyebrow{color:var(--green)}
.article-share h2{margin-bottom:12px}
.article-share>p:not(.public-eyebrow):not(.article-share-status){margin:0;color:var(--muted)}
.article-share-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.article-share-actions button,.article-share-actions a{display:inline-flex;min-height:43px;align-items:center;justify-content:center;padding:0 15px;border:1px solid var(--green);border-radius:8px;background:#fff;color:var(--green);font:800 0.875rem/1 var(--sans);text-decoration:none;cursor:pointer}
.article-share-actions button:first-child{background:var(--green);color:#fff}
.article-share-actions button:hover,.article-share-actions a:hover{border-color:var(--ink);color:var(--ink)}
.article-share-actions button:first-child:hover{background:var(--ink);color:#fff}
.article-share-actions button:focus-visible,.article-share-actions a:focus-visible{outline:3px solid rgba(13,122,95,.18);outline-offset:2px}
.article-share-status{min-height:1.5em;margin:13px 0 0;color:var(--green);font-size:0.875rem;font-weight:750}
.article-toc nav{position:sticky;top:110px;padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff}
.article-toc strong{font-family:var(--serif);font-size:1.15rem}
.article-toc ol{margin:18px 0 0;padding-left:19px;color:var(--muted);font-size:0.875rem}
.article-toc li{margin:11px 0}
.article-toc a{text-decoration:none}
.article-toc a:hover{color:var(--green)}
.article-toc a[aria-current=location]{color:var(--green);font-weight:850}
.article-learning-status{display:grid;gap:9px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.article-learning-status>span{color:var(--muted);font-size:0.875rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.article-learning-status button{min-height:39px;padding:0 11px;border:1px solid var(--green);border-radius:8px;background:#fff;color:var(--green);font:800 0.875rem/1.15 var(--sans);cursor:pointer}
.article-learning-status button:hover,.article-learning-status button:focus-visible{background:var(--mint);outline:none}
.article-learning-status.is-completed button{background:var(--green);color:#fff}
.article-learning-status p{min-height:1.2em;margin:0;color:var(--green);font-size:0.875rem;line-height:1.4}
.article-toc-back{display:inline-block;margin-top:19px;padding-top:17px;border-top:1px solid var(--line);color:var(--green);font-size:0.875rem;font-weight:800}
.article-sequence{display:flex;align-items:stretch;justify-content:space-between;gap:18px;max-width:1180px;margin:-42px auto 0;padding:0 24px clamp(64px,8vw,100px)}
.article-sequence a{display:grid;grid-template-columns:auto minmax(0,1fr);gap:3px 12px;width:min(100%,450px);padding:22px 24px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none}
.article-sequence a:hover{border-color:var(--green);background:var(--mint)}
.article-sequence small{grid-column:2;color:var(--green);font-size:0.875rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.article-sequence strong{grid-column:2;font:700 1.15rem/1.22 var(--serif)}
.article-sequence a>span{grid-row:1/3;align-self:center;color:var(--green);font-size:1.15rem}
.article-sequence-next{margin-left:auto;text-align:right}
.article-sequence-next small,.article-sequence-next strong{grid-column:1}
.article-sequence-next>span{grid-column:2}
.article-related>div{grid-template-columns:repeat(3,minmax(0,1fr))}
.public-footer{grid-template-columns:1.15fr 1fr 1fr 1fr;gap:38px}
.public-footer address{display:grid;gap:5px;margin-top:8px;color:#98aca5;font-style:normal}
.public-footer address strong{color:#d3e4de}
.public-footer>div>span{color:#98aca5}
.public-proof-section{max-width:1180px;margin:0 auto;padding:0 24px clamp(80px,10vw,130px)}
.public-proof-section>.public-eyebrow{color:var(--green)}
.public-proof-section>h2{max-width:850px;margin:0 0 30px;font:700 clamp(1.8rem,3.4vw,3rem)/1.1 var(--serif);letter-spacing:-.03em}
.public-proof-section>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.public-proof-section article{display:flex;flex-direction:column;gap:11px;padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}
.public-proof-section article>strong{color:var(--green);font:700 1.45rem/1.15 var(--serif)}
.public-proof-section article>span{color:var(--muted)}
.public-proof-section a{color:var(--green);font-weight:800}
.identity-contact-grid address{color:#31443d;font-style:normal;line-height:1.85}
.identity-contact-grid a{color:var(--green)}

@media(max-width:980px){.knowledge-progress-panel,.knowledge-tools,.article-practice-file{grid-template-columns:1fr}.knowledge-result{grid-column:auto}.knowledge-list{grid-template-columns:1fr}.knowledge-card{min-height:auto}.article-layout{grid-template-columns:1fr}.article-toc{order:-1}.article-toc nav{position:static}.article-related>div,.public-proof-section>div{grid-template-columns:1fr}}
@media(max-width:680px){.knowledge-browser{padding-right:18px;padding-left:18px}.knowledge-progress-panel{padding:25px 22px}.knowledge-filter{gap:7px}.knowledge-filter button{min-height:38px;padding:0 12px;font-size:0.875rem}.knowledge-card{padding:26px 22px}.knowledge-card-actions{align-items:stretch;flex-direction:column}.knowledge-card-actions button{width:100%}.article-layout{gap:26px;padding-top:38px}.article-toc nav{padding:21px}.article-body p{font-size:.95rem}.article-takeaways,.article-practice-file,.article-callout,.article-author-proof,.article-course-cta,.article-share{padding:25px 22px}.article-author-proof{grid-template-columns:1fr}.article-author-proof>img{width:96px;height:96px}.article-share-actions{align-items:stretch;flex-direction:column}.article-share-actions button,.article-share-actions a{width:100%}.article-formula figcaption,.article-formula-download{align-items:flex-start;flex-direction:column}.article-formula-download span{text-align:left}.article-sequence{flex-direction:column;margin-top:-20px;padding-right:18px;padding-left:18px}.article-sequence a{width:100%}}

@media print{
  @page{margin:18mm}
  body{background:#fff;color:#000;font-size:10.5pt;line-height:1.55}
  .public-skip-link,.public-header,.public-footer,.article-read-progress,.article-toc,.article-share,.article-course-cta,.article-practice-file,.article-formula-download,.article-sequence,.article-related{display:none!important}
  .article-hero{display:block;min-height:0;padding:0 0 12mm;background:#fff;color:#000}
  .article-hero>div{max-width:none}
  .article-hero .public-eyebrow,.article-hero .public-lead{color:#000}
  .article-hero h1{font-size:28pt;letter-spacing:-.02em}
  .article-hero .public-meta{margin-top:6mm}
  .article-hero .public-meta span{padding:0;border:0;color:#333}
  .article-layout{display:block;max-width:none;padding:0}
  .article-body p{color:#111;font-size:10.5pt;line-height:1.55}
  .article-takeaways,.article-callout{break-inside:avoid;border:1px solid #bbb;background:#fff}
  .article-section{padding:9mm 0;break-inside:auto}
  .article-formula{break-inside:avoid;border-color:#777;background:#fff;color:#000}
  .article-formula figcaption{padding:3mm 4mm;border-color:#bbb;color:#000}
  .article-formula figcaption button,.article-formula-status{display:none}
  .article-formula pre{padding:4mm;white-space:pre-wrap}
  a{color:#000;text-decoration:underline}
}

.public-skip-link{position:fixed;z-index:100;top:10px;left:12px;padding:11px 15px;border-radius:8px;background:#fff;color:var(--ink);font-size:.875rem;font-weight:800;text-decoration:none;box-shadow:0 8px 30px rgba(4,16,13,.18);transform:translateY(-150%);transition:transform .18s ease}
.public-skip-link:focus{transform:translateY(0);outline:3px solid var(--green);outline-offset:2px}
.public-header nav a[aria-current=page]:not(.public-nav-cta){color:var(--green);box-shadow:0 2px 0 var(--green)}
.public-header .public-nav-cta[aria-current=page]{background:var(--green);color:#fff}