/* ENGL251 design tokens — LIU-inspired, original local implementation. */
:root{--navy:#082b5c;--navy-2:#123f78;--gold:#b58a24;--gold-light:#f2e5bf;--white:#fff;--bg:#f4f6f8;--surface:#fff;--text:#182433;--muted:#5b6675;--line:#d9e0e8;--success:#176b48;--warning:#8a5a00;--error:#aa2836;--radius:10px;--shadow-sm:0 2px 8px #082b5c12;--shadow-md:0 12px 28px #082b5c1c;--space-1:.5rem;--space-2:1rem;--space-3:1.5rem;--space-4:2.5rem;--space-5:4.5rem;--serif:Georgia,'Times New Roman',serif;--sans:Inter,Arial,sans-serif;--container:1180px;--transition:180ms ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--sans)}img{max-width:100%;height:auto}a{color:var(--navy);text-underline-offset:3px}a:hover{color:var(--navy-2)}button,input,select,textarea{font:inherit}.skip-link{position:absolute;z-index:999;left:1rem;top:-4rem;background:var(--gold);color:#17283d;padding:.65rem 1rem;font-weight:700}.skip-link:focus{top:1rem}.utility-bar{background:#061d3e;color:#e9eef5;font-size:.83rem}.utility-inner,.header-inner,.nav-inner,.footer-inner,.container{width:min(calc(100% - 2rem),var(--container));margin:auto}.utility-inner{display:flex;justify-content:space-between;gap:1rem;padding:.38rem 0}.utility-links{display:flex;gap:1rem;flex-wrap:wrap}.utility-bar a{color:#e9eef5;text-decoration:none}.institutional-header{background:var(--white);border-bottom:1px solid var(--line)}.header-inner{min-height:90px;display:flex;align-items:center;gap:1rem;justify-content:space-between}.brand-lockup{display:flex;align-items:center;gap:1rem;text-decoration:none;color:var(--text)}.brand-lockup img{width:130px;height:42px;object-fit:contain}.brand-copy{border-left:1px solid var(--line);padding-left:1rem}.brand-copy strong{display:block;color:var(--navy);font-family:var(--serif);font-size:1.15rem}.brand-copy span{color:var(--muted);font-size:.88rem}.ums-link,.button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:1px solid var(--navy);border-radius:6px;padding:.66rem 1rem;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;cursor:pointer;transition:var(--transition)}.ums-link:hover,.button:hover{background:var(--navy-2);color:#fff}.button--gold{border-color:var(--gold);background:var(--gold);color:#192638}.button--outline{background:transparent;color:var(--navy)}.button--outline:hover{background:#e8eff8;color:var(--navy)}.main-nav{background:var(--navy);position:relative}.nav-inner{display:flex;align-items:center;min-height:51px}.nav-list{display:flex;list-style:none;margin:0;padding:0;align-items:stretch}.nav-list a{display:block;color:#fff;text-decoration:none;font-size:.9rem;font-weight:700;padding:.92rem .72rem;border-bottom:3px solid transparent}.nav-list a:hover,.nav-list a[aria-current=page]{background:#0e3970;border-bottom-color:var(--gold)}.nav-toggle{display:none;margin:.5rem 0 .5rem auto;background:transparent;border:1px solid #a9bad0;border-radius:5px;color:#fff;padding:.45rem .65rem}.site-main{min-height:55vh}.hero{background:linear-gradient(112deg,#071e42 0%,#082b5c 59%,#184b85 100%);color:#fff}.hero-grid{width:min(calc(100% - 2rem),var(--container));margin:auto;display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center;padding:clamp(3.5rem,8vw,7rem) 0}.eyebrow,.kicker{display:block;color:var(--gold-light);font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero h1,h1,h2,h3{font-family:var(--serif);line-height:1.18}.hero h1{font-size:clamp(2.4rem,5vw,4.5rem);margin:.4rem 0 1rem}.hero p{font-size:1.15rem;max-width:59ch;color:#e7edf7}.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem}.hero .button--outline{border-color:#c9d8ed;color:#fff}.hero .button--outline:hover{background:#fff;color:var(--navy)}.hero-art{filter:drop-shadow(0 18px 18px #0004)}section{padding:var(--space-5) 0}.section-heading{max-width:720px;margin-bottom:2rem}.section-heading h2{color:var(--navy);font-size:clamp(1.8rem,3vw,2.7rem);margin:.2rem 0 .7rem}.section-heading p{color:var(--muted);margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.card{height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1.45rem;display:flex;flex-direction:column;align-items:flex-start}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);transition:var(--transition)}.card-icon{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--gold-light);color:var(--navy);display:grid;place-items:center;font-weight:800;font-size:1.1rem}.card h3{margin:1rem 0 .5rem;color:var(--navy);font-size:1.25rem}.card p{color:var(--muted);margin:0 0 1rem}.card .button{margin-top:auto}.soft-section{background:#eaf0f6}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}.panel h2,.panel h3{color:var(--navy);margin-top:0}.outcomes{padding-left:1.2rem}.outcomes li{margin:.65rem 0}.learning-strip{background:var(--navy);color:#fff;padding:1.5rem 0}.learning-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.learning-strip strong{display:block;color:var(--gold-light);font-family:var(--serif);font-size:1.12rem}.learning-strip span{font-size:.87rem;color:#d6e0ee}.announcement-list{display:grid;gap:.75rem}.empty-state{padding:1.1rem;border:1px dashed #9ba8b8;border-radius:8px;color:var(--muted);background:#fafbfd}.site-footer{background:#061d3e;color:#dbe5f2;padding:3rem 0 1rem}.footer-inner{display:grid;grid-template-columns:1.3fr repeat(2,1fr);gap:2rem}.site-footer h2,.site-footer h3{font-family:var(--serif);color:#fff;margin-top:0}.site-footer a{color:#dbe5f2}.footer-bottom{width:min(calc(100% - 2rem),var(--container));margin:2rem auto 0;padding-top:1rem;border-top:1px solid #ffffff33;color:#c2cfdf;font-size:.85rem}.breadcrumbs{padding:1rem 0;font-size:.9rem;color:var(--muted)}.breadcrumbs a{color:var(--navy)}.page-hero{background:var(--white);border-bottom:1px solid var(--line);padding:3rem 0}.page-hero h1{font-size:clamp(2.1rem,4vw,3.3rem);color:var(--navy);margin:.3rem 0}.page-hero p{color:var(--muted);max-width:70ch}.content-wrap{padding:3rem 0}.notice{background:#fff8e7;border-left:4px solid var(--gold);padding:1rem 1.2rem;border-radius:0 8px 8px 0}.notice--info{background:#e8f1fc;border-color:var(--navy)}.sticky-nav{position:sticky;top:1rem;align-self:start}.section-layout{display:grid;grid-template-columns:230px 1fr;gap:2.5rem}.side-nav a{display:block;padding:.45rem 0;color:var(--navy)}.table-wrap{overflow-x:auto}.content-table{width:100%;border-collapse:collapse;background:#fff}.content-table th,.content-table td{border:1px solid var(--line);padding:.75rem;text-align:left;vertical-align:top}.content-table th{background:#eaf0f6;color:var(--navy)}.toc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.chapter-card{display:flex;gap:1rem;text-decoration:none;color:var(--text);padding:1.1rem}.chapter-number{font-family:var(--serif);font-size:1.7rem;color:var(--gold);font-weight:700}.chapter-card:hover{color:var(--text)}.toolbar{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap;margin-bottom:1.5rem}.search-input{width:min(100%,410px);padding:.67rem .8rem;border:1px solid #8796a8;border-radius:6px;background:#fff}.filter-select{padding:.67rem .8rem;border:1px solid #8796a8;border-radius:6px;background:#fff}.resource-meta{font-size:.85rem;color:var(--muted);margin-top:auto}.tag{display:inline-block;background:var(--gold-light);color:#573d06;padding:.18rem .48rem;border-radius:99px;font-size:.78rem;font-weight:700}.details-list details{border-top:1px solid var(--line);padding:.85rem 0}.details-list summary{cursor:pointer;font-weight:700;color:var(--navy)}.quiz-option{width:100%;background:#fff;border:1px solid var(--line);text-align:left;padding:.8rem;border-radius:6px;margin:.35rem 0;cursor:pointer}.quiz-option:hover,.quiz-option:focus{border-color:var(--navy);background:#eef4fb}.quiz-feedback{padding:.75rem;background:#eaf6ef;color:#145536;border-radius:6px;margin-top:.5rem}.back-to-top{position:fixed;right:1rem;bottom:1rem;border:0;border-radius:50%;width:44px;height:44px;background:var(--navy);color:#fff;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:var(--transition)}.back-to-top.is-visible{opacity:1;pointer-events:auto}.hidden{display:none!important}:focus-visible{outline:3px solid #d19c24;outline-offset:3px}@media (max-width:900px){.nav-toggle{display:block}.nav-list{display:none;position:absolute;z-index:20;top:100%;left:0;right:0;background:var(--navy);padding:.5rem 1rem;box-shadow:var(--shadow-md);flex-direction:column}.nav-list.is-open{display:flex}.nav-list a{padding:.7rem}.hero-grid,.two-col,.section-layout{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.sticky-nav{position:static}.learning-strip .container{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.utility-inner{display:block}.utility-links{margin-top:.25rem}.header-inner{min-height:72px}.brand-lockup img{width:85px}.brand-copy strong{font-size:1rem}.brand-copy span{font-size:.77rem}.ums-link{display:none}.hero-grid{padding:3.5rem 0}.card-grid,.toc-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.learning-strip .container{grid-template-columns:1fr}.hero-actions .button{width:100%}section{padding:3.2rem 0}}