:root{--ink:#202933;--slate:#455a73;--olive:#a8a27a;--rust:#cf6125;--cream:#f7f5ef;--line:#d9dde2;--white:#fff;--muted:#66717e;--shadow:0 12px 36px rgba(32,41,51,.10)}
*{box-sizing:border-box}html{color-scheme:light}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbfaf7,#f4f2eb);line-height:1.5}a{color:var(--slate)}img{max-width:100%}.site-shell{min-height:100vh}.site-header{background:#fff;border-bottom:1px solid var(--line)}.site-header .inner,.container{width:min(1120px,calc(100% - 32px));margin:auto}.site-header .inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;text-decoration:none}.brand img{height:52px;width:auto}.nav-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 16px;font-weight:700;text-decoration:none;cursor:pointer;background:var(--ink);color:#fff}.btn:hover{filter:brightness(1.06)}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.rust{background:var(--rust)}.btn.small{padding:8px 12px;font-size:14px}.hero{padding:76px 0 58px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:var(--rust)}h1{font-size:clamp(40px,6vw,72px);line-height:1.02;margin:12px 0 20px}h2{font-size:clamp(28px,4vw,42px);margin:0 0 14px}h3{margin-top:0}.lead{font-size:20px;color:var(--muted);max-width:680px}.hero-card,.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-card{padding:28px}.hero-card img{display:block;margin:auto;max-height:250px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:72px}.tool-card{padding:24px}.tool-card img{height:74px;width:auto;object-fit:contain;margin-bottom:18px}.status-pill{display:inline-block;padding:5px 10px;border-radius:999px;background:#e8efe9;color:#275d35;font-size:12px;font-weight:800}.status-pill.soon{background:#f4ede4;color:#7a4d2d}.page{padding:42px 0 72px}.page-narrow{width:min(620px,calc(100% - 32px));margin:auto}.card{padding:24px;margin:16px 0}.form-row{margin-bottom:16px}label{font-weight:700}input,textarea,select{width:100%;padding:12px 13px;border:1px solid #cbd1d8;border-radius:10px;background:#fff;color:var(--ink);font:inherit;margin-top:6px}textarea{min-height:110px}.alert{padding:12px 14px;border-radius:10px;font-weight:700}.alert.error{background:#fbe9eb;color:#8b1f2d}.alert.success{background:#eaf5ed;color:#25633a}.small,.muted{color:var(--muted);font-size:14px}.dashboard-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap}.class-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.class-link{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:12px;text-decoration:none;background:#fff}.class-link:hover{border-color:var(--rust)}.footer{text-align:center;color:var(--muted);padding:28px;border-top:1px solid var(--line);background:#fff}@media(max-width:800px){.hero-grid,.tool-grid{grid-template-columns:1fr}.hero{padding-top:42px}.site-header .inner{padding:10px 0}.brand img{height:42px}}

/* Accessible action-button contrast */
.btn.rust,button.btn.rust{background:#b84f1c!important;color:#fff!important;border-color:#b84f1c!important}.btn.danger,button.btn.danger{background:#9f2f2b!important;color:#fff!important;border-color:#9f2f2b!important}.teacher-shell .btn:not(.secondary){color:#fff!important}.teacher-shell .btn.secondary{background:#fff!important;color:#202933!important;border:1px solid #d9dde2!important}

/* Final homepage tool-logo alignment */
.tool-card .tool-logo{display:block;height:74px;width:auto;max-width:100%;object-fit:contain;object-position:left center;margin-bottom:18px;}
.tool-card .tool-logo-noise{height:74px;}