:root{--navy:#0b2748;--navy2:#071a31;--orange:#f47b20;--orange2:#ff9a45;--ink:#172235;--muted:#5c6776;--paper:#f5f7fa;--line:#d9e0e8;--green:#167b4f;--red:#b42318}
html{scroll-behavior:smooth;scroll-padding-top:24px}.alevel-business-site{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.65}.alevel-top{background:linear-gradient(100deg,var(--navy2),var(--navy));padding:18px 20px;text-align:center;border-bottom:5px solid var(--orange)}.alevel-top h1{margin:0;color:#fff;font-size:clamp(1.65rem,4vw,2.45rem)}.alevel-business-site .global-site-nav{position:relative;z-index:80}.alevel-business-site .subject-menu{z-index:1000}.ab-page{max-width:1120px;margin:0 auto;padding:26px 18px 54px}.ab-hero{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;border-radius:18px;padding:clamp(24px,5vw,44px);box-shadow:0 14px 35px rgba(7,26,49,.18);border-bottom:6px solid var(--orange)}.ab-eyebrow{display:inline-block;color:#fff3e7;background:rgba(244,123,32,.18);border:1px solid rgba(255,154,69,.48);padding:7px 11px;border-radius:999px;font-weight:700;font-size:.9rem}.ab-hero h2{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.1;margin:15px 0 12px}.ab-hero p{max-width:900px;margin:0;color:#eef5ff;font-size:1.06rem}.ab-badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.ab-badges span{background:#fff;color:var(--navy);padding:6px 10px;border-radius:999px;font-size:.86rem;font-weight:800}.ab-overview,.ab-jump,.ab-section,.revision-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:clamp(20px,4vw,34px);margin-top:22px;box-shadow:0 8px 24px rgba(20,37,63,.05)}.ab-overview h2,.ab-jump h2,.ab-section h2,.revision-panel h2{color:var(--navy);line-height:1.2}.exam-strip{background:#fff7ef;border-left:5px solid var(--orange);padding:14px 16px;border-radius:8px;margin-top:15px}.ab-jump-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.ab-jump-grid a{display:flex;flex-direction:column;gap:5px;text-decoration:none;color:var(--navy);border:2px solid #cfd8e4;border-radius:12px;padding:16px;background:#fbfcfe;transition:.18s}.ab-jump-grid a:hover,.ab-jump-grid a:focus{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 8px 18px rgba(244,123,32,.13)}.ab-jump-grid strong{color:var(--orange);font-size:1.1rem}.ab-section{position:relative}.section-number{display:inline-block;background:var(--orange);color:#fff;font-weight:900;padding:5px 10px;border-radius:8px;margin-bottom:8px}.ab-section h2{font-size:clamp(1.65rem,3.5vw,2.3rem);margin:4px 0 22px}.ab-section h3{color:var(--navy);margin:30px 0 10px;border-left:4px solid var(--orange);padding-left:10px}.ab-section h4{color:var(--navy);margin:0 0 8px}.keyterm{display:grid;grid-template-columns:minmax(160px,220px) 1fr;border:1px solid #cad4e0;border-left:5px solid var(--orange);border-radius:10px;overflow:hidden;margin:16px 0;background:#f9fbfd}.keyterm strong{background:var(--navy);color:#fff;padding:14px}.keyterm span{padding:14px}.process-flow{display:grid;grid-template-columns:1fr auto 1.2fr auto 1fr;gap:10px;align-items:stretch;margin:18px 0}.process-flow div{background:#f7f9fc;border:2px solid #d6dee8;border-radius:12px;padding:16px;text-align:center}.process-flow .accent{background:#fff3e8;border-color:var(--orange)}.process-flow b{display:block;color:var(--navy);font-size:1.02rem}.process-flow span{font-size:.9rem;color:var(--muted)}.process-flow i{align-self:center;font-style:normal;font-size:1.55rem;color:var(--orange);font-weight:900}.example,.exam-tip,.worked-example{margin:16px 0;border-radius:10px;padding:14px 16px}.example{background:#eef6ff;border-left:5px solid #2d6ca8}.exam-tip{background:#fff6e9;border-left:5px solid var(--orange)}.worked-example{background:#f3f8f5;border-left:5px solid var(--green)}.card-grid{display:grid;gap:12px;margin:15px 0}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid article{border:1px solid #d7e0ea;border-top:4px solid var(--orange);border-radius:12px;padding:15px;background:#fbfcfe}.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}.compare-grid>div{background:#f7f9fc;border:1px solid #d6dee8;border-radius:12px;padding:15px}.formula-box{background:var(--navy);color:#fff;padding:14px 18px;border-radius:10px;font-weight:800;text-align:center;margin:14px 0}.tick-list,.warning-list{padding-left:1.25rem}.tick-list li,.warning-list li{margin:.55rem 0}.tick-list li::marker{color:var(--orange)}.warning-list li::marker{color:#c04a29}.pest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:17px 0}.pest-grid>div{display:flex;gap:10px;align-items:flex-start;background:#f7f9fc;border:1px solid #d8e0e8;border-radius:12px;padding:14px}.pest-grid b{display:grid;place-items:center;min-width:35px;height:35px;border-radius:50%;background:var(--orange);color:#fff}.table-wrap{overflow-x:auto;margin:14px 0;border:1px solid #d8e0e8;border-radius:12px}.ab-table{border-collapse:collapse;width:100%;min-width:720px}.ab-table th,.ab-table td{padding:12px 13px;border-bottom:1px solid #e1e6ed;text-align:left;vertical-align:top}.ab-table th{background:var(--navy);color:#fff}.risk-matrix{display:grid;grid-template-columns:1.2fr 1fr 1fr;border:1px solid #d5dce5;border-radius:12px;overflow:hidden;margin:18px 0}.risk-matrix>div{padding:12px;border-right:1px solid #dde4ec;border-bottom:1px solid #dde4ec}.risk-matrix .corner,.risk-matrix>div:nth-child(2),.risk-matrix>div:nth-child(3){background:var(--navy);color:#fff}.risk-matrix .ideal{background:#e8f6ef}.risk-matrix .avoid{background:#fff0ed}.risk-matrix .consider{background:#fff7ea}.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.plan-grid>div{position:relative;border:1px solid #d6dfe8;border-radius:12px;padding:16px 16px 16px 58px;background:#fbfcfe}.plan-grid span{position:absolute;left:15px;top:15px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff;font-weight:900}.plan-grid b{color:var(--navy)}.plan-grid p{margin:5px 0 0}.revision-panel{border-top:6px solid var(--orange);background:linear-gradient(180deg,#fff,#fafcff)}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0 22px}.check-grid div{position:relative;padding:12px 14px 12px 42px;background:#f6f8fb;border:1px solid #dbe2ea;border-radius:10px}.check-grid div:before{content:'✓';position:absolute;left:14px;color:var(--green);font-weight:900}.quiz-launch{display:block;margin:22px auto 8px;border:0;border-radius:12px;background:var(--orange);color:#fff;font-weight:900;font-size:1.05rem;padding:14px 22px;cursor:pointer;box-shadow:0 8px 20px rgba(244,123,32,.25)}.quiz-launch:hover{background:#db6813}.quiz-note{text-align:center;color:var(--muted);font-size:.92rem}.quiz-overlay[hidden]{display:none}.quiz-overlay{position:fixed;inset:0;background:rgba(4,14,28,.72);z-index:100000;display:grid;place-items:center;padding:18px}.quiz-modal{width:min(720px,100%);max-height:min(88vh,820px);overflow:auto;background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.35);outline:none}.quiz-head{position:sticky;top:0;z-index:2;background:var(--navy);color:#fff;padding:18px 62px 16px 20px;border-bottom:5px solid var(--orange)}.quiz-head h2{margin:2px 0 2px}.quiz-head p{margin:0;color:#dbe8f6;font-size:.9rem}.quiz-kicker{color:#ffc89d;font-weight:900;font-size:.85rem}.quiz-close{position:absolute;right:14px;top:14px;width:38px;height:38px;border:1px solid rgba(255,255,255,.35);border-radius:50%;background:transparent;color:#fff;font-size:1.6rem;cursor:pointer}.quiz-body{padding:22px}.quiz-body h3{color:var(--navy);margin:0 0 16px}.quiz-options{display:grid;gap:10px}.quiz-option{border:2px solid #d9e1ea;background:#fff;border-radius:11px;padding:12px 14px;text-align:left;cursor:pointer;font:inherit;color:var(--ink)}.quiz-option:hover:not(:disabled){border-color:var(--orange);background:#fff9f4}.quiz-option.correct{border-color:var(--green);background:#eaf7f0}.quiz-option.wrong{border-color:var(--red);background:#fff0ee}.quiz-option:disabled{cursor:default}.quiz-feedback{margin-top:15px;border-radius:10px;padding:12px 14px;display:none}.quiz-feedback.show{display:block}.quiz-feedback.good{background:#eaf7f0;color:#115b3d}.quiz-feedback.bad{background:#fff0ee;color:#8c251c}.quiz-actions{display:flex;justify-content:flex-end;padding:0 22px 22px}.quiz-actions button{border:0;background:var(--navy);color:#fff;font-weight:800;padding:11px 17px;border-radius:10px;cursor:pointer}.quiz-actions button:disabled{opacity:.4;cursor:not-allowed}.quiz-result{text-align:center;padding:12px 0}.quiz-result strong{display:block;font-size:2.2rem;color:var(--orange)}
@media(max-width:850px){.ab-jump-grid,.card-grid.four,.pest-grid{grid-template-columns:repeat(2,1fr)}.card-grid.three{grid-template-columns:repeat(2,1fr)}.compare-grid{grid-template-columns:1fr}.process-flow{grid-template-columns:1fr}.process-flow i{transform:rotate(90deg)}.plan-grid,.check-grid{grid-template-columns:1fr}}
@media(max-width:600px){.ab-page{padding:16px 10px 40px}.ab-overview,.ab-jump,.ab-section,.revision-panel{padding:18px 15px;border-radius:12px}.ab-jump-grid,.card-grid.four,.card-grid.three,.pest-grid{grid-template-columns:1fr}.keyterm{grid-template-columns:1fr}.risk-matrix{font-size:.86rem;grid-template-columns:1.15fr 1fr 1fr}.risk-matrix>div{padding:8px}.quiz-overlay{padding:8px}.quiz-modal{max-height:94vh}.quiz-head{padding-left:15px}.quiz-body{padding:16px}.plan-grid>div{padding-right:12px}.alevel-top{padding:14px 10px}}
/* Topic 1.2 layout helpers */
.ab-jump-grid.two-col{grid-template-columns:repeat(2,1fr)}
.compare-grid.two{grid-template-columns:repeat(2,1fr)}
.ownership-flow{margin-top:18px}
@media(max-width:850px){.compare-grid.two{grid-template-columns:1fr}}
@media(max-width:600px){.ab-jump-grid.two-col{grid-template-columns:1fr}}

.card-grid.five{grid-template-columns:repeat(5,1fr)}
@media(max-width:1000px){.card-grid.five{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.card-grid.five{grid-template-columns:1fr}}

/* AS & A Level Business course navigation */
.alevel-business-site .as-topic-nav-top .chapter-nav-button,
.alevel-business-site .as-topic-nav-bottom .chapter-nav-button{border-color:#f1bc92;color:var(--navy);background:#fff8f2}
.alevel-business-site .as-topic-nav-top .chapter-nav-button:hover,
.alevel-business-site .as-topic-nav-bottom .chapter-nav-button:hover{background:#ffead9;border-color:var(--orange)}
.alevel-business-site .as-topic-nav-bottom{max-width:1120px;margin-left:auto;margin-right:auto;padding-left:0;padding-right:0}
@media(max-width:600px){.alevel-business-site .as-topic-nav-bottom{padding-left:0;padding-right:0}}