:root{--purple:#642782;--dark:#22112e;--gold:#e8b947;--paper:#fbf9fd;--muted:#675e70;--line:#e9e2ed;--white:#fff;--shadow:0 16px 45px rgba(52,24,69,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--dark);font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif}button,input{font:inherit}button,a{transition:.18s}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{max-width:1180px;margin:auto;padding:0 22px}.topbar{background:#38114f;color:#fff;text-align:center;padding:7px 15px;font-size:.82rem}.header{background:white;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:79px}.brand{display:flex;align-items:center;gap:11px;font-size:1.48rem;font-weight:850;color:var(--purple);white-space:nowrap}.brand 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p{color:#eee0f2;margin:0}.banner .btn{white-space:nowrap}.footer{background:#2d123d;color:#eee2f1;margin-top:60px;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{display:block;margin:9px 0;color:#e8d8ec}.footer p{color:#c9b6d1}.footer hr{border:0;border-top:1px solid #583a68;margin:34px 0 20px}.footnote{color:#cbb5d4;font-size:.8rem}.page{padding:45px 0 70px;min-height:55vh}.breadcrumbs{font-size:.86rem;color:#806d89;margin-bottom:19px}.breadcrumbs a{color:#743b8c}.chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}.chapter{display:flex;align-items:center;gap:15px;padding:17px 19px;border:1px solid var(--line);background:#fff;border-radius:13px}.chapter:hover{border-color:#b68ac8}.chapter-index{width:40px;height:40px;border-radius:10px;background:#f1e5f5;color:var(--purple);font-weight:850;display:grid;place-items:center;flex-shrink:0}.chapter strong{display:block;line-height:1.3}.chapter small{color:var(--muted)}.chapter 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system-ui;color:var(--muted)}.price-card ul{padding-left:20px;color:var(--muted);min-height:130px}.price-card li{margin:8px 0}.form-card{max-width:470px;margin:20px auto}.field{display:block;margin:15px 0;font-weight:700;font-size:.89rem}.field input{width:100%;padding:13px;border-radius:10px;border:1px solid #d7c8dc;margin-top:6px;outline-color:#9955b7}.notice{background:#fff7e2;color:#674b16;padding:15px;border:1px solid #f2dfac;border-radius:12px;margin:20px 0}.dashboard{display:grid;grid-template-columns:1fr 1fr;gap:20px}.progress{height:8px;background:#eee4f2;border-radius:10px;overflow:hidden}.progress>div{background:#71338d;height:100%;width:24%}.video-box{aspect-ratio:16/9;background:linear-gradient(135deg,#301044,#71318e);color:white;border-radius:16px;display:grid;place-items:center;text-align:center;padding:20px}.video-box span{font-size:3rem}.muted{color:var(--muted)}.empty{padding:30px;background:white;border:1px solid var(--line);border-radius:15px}.search{width:100%;max-width:400px;padding:12px 15px;border-radius:12px;border:1px solid #d9c8e1}.mobile-nav{display:none}@media(max-width:950px){.links{gap:12px;font-size:.86rem}.hero-inner{gap:20px}.book{width:270px;height:370px}.book h2{font-size:2rem}.units{grid-template-columns:repeat(2,1fr)}.reader-layout{grid-template-columns:200px 1fr}.chapter-hero{grid-template-columns:1fr}}@media(max-width:700px){.nav{min-height:66px}.links{display:none}.menu{display:inline-flex}.mobile-nav.open{display:flex;flex-direction:column;background:#fff;border-top:1px solid var(--line);padding:15px 22px;gap:12px}.hero-inner{grid-template-columns:1fr;padding:58px 0}.hero h1{font-size:3rem}.book-art{min-height:350px}.book{height:330px;width:250px}.book h2{margin:28px 0 12px}.grid,.units,.pricing,.chapter-list,.dashboard{grid-template-columns:1fr}.section{padding:48px 0}.section-head{align-items:start;flex-direction:column}.banner{padding:28px;flex-direction:column;align-items:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.reader-layout{grid-template-columns:1fr}.sidebar{position:static}.reading{padding:22px}.chapter-hero{grid-template-columns:1fr}.actions .btn.alt{display:none}.hero-cta .btn{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* Multi-programme academic catalogue */
.programme-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.programme-card{display:block;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}.programme-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #37174d1a}.programme-card h3{margin:15px 0 8px}.programme-card p{min-height:42px}.course-cta{font-weight:700;color:#6c2c89}.level-tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.subject-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.subject-tile{border:1px solid #e8dcec;background:white;border-radius:12px;padding:18px;text-decoration:none;color:#251c2a;display:flex;flex-direction:column;gap:10px;min-height:126px;transition:border-color .15s}.subject-tile:hover{border-color:#7b3994}.subject-tile span{font-size:24px}.subject-tile small{margin-top:auto;color:#784091;font-weight:600}@media(max-width:800px){.programme-grid{grid-template-columns:1fr}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.subject-grid{grid-template-columns:1fr}}