:root{color-scheme:light;--ink:#142f3d;--muted:#566b75;--teal:#087774;--teal-dark:#075f60;--purple:#7652a5;--orange:#f47b20;--line:#cbdadd;--paper:#fff;--wash:#edf6f6;--success:#126247}
*{box-sizing:border-box}
body{margin:0;background:#f2f6f7;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5}
.catalog-top{background:#2d3337;color:#fff;padding:17px 20px;text-align:center;font-weight:800;letter-spacing:.02em}
.catalog-shell{max-width:1120px;margin:0 auto;padding:24px 16px 60px}
.catalog-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.catalog-button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:10px 16px;border:2px solid var(--teal);border-radius:9px;background:#fff;color:var(--teal-dark);font-weight:800;text-align:center;text-decoration:none}
.catalog-button.primary{background:var(--teal);color:#fff}.catalog-button.ce{background:var(--purple);border-color:var(--purple);color:#fff}
.catalog-button[aria-disabled=true]{cursor:not-allowed;background:#e8edef;border-color:#aab8bd;color:#68787f}
.catalog-hero{padding:clamp(24px,5vw,48px);border-top:6px solid var(--teal);border-radius:16px;background:linear-gradient(135deg,#f4fbfa,#fff 52%,#faf7fd);box-shadow:0 7px 24px #163b4612}
.catalog-eyebrow{margin:0 0 8px;color:#08706c;font-size:.78rem;font-weight:850;letter-spacing:.12em}.catalog-hero h1{margin:0 0 12px;font-size:clamp(2rem,6vw,3.25rem);line-height:1.08}.catalog-hero>p:last-child{max-width:800px;margin:0;color:var(--muted);font-size:1.05rem}
.catalog-preview{margin:18px 0 0;padding:13px 15px;border:2px solid #c17716;border-radius:10px;background:#fff7e8;color:#65410d;font-weight:750}
.catalog-policy{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0}.catalog-policy article{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.catalog-policy h2{margin:0 0 7px;font-size:1.05rem}.catalog-policy p{margin:0;color:var(--muted);font-size:.92rem}
.catalog-section{margin-top:30px}.catalog-section h2{margin-bottom:6px}.catalog-intro{margin:0 0 18px;color:var(--muted)}.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.course-card{display:flex;min-height:315px;flex-direction:column;padding:22px;border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:13px;background:var(--paper);box-shadow:0 4px 14px #173b4410}.course-card.is-ce{border-top-color:var(--purple)}
.course-card__status{align-self:flex-start;margin-bottom:12px;padding:5px 9px;border-radius:999px;background:#dff3f1;color:var(--teal-dark);font-size:.72rem;font-weight:850}.course-card.is-ce .course-card__status{background:#ddf4e8;color:var(--success)}.course-card.is-preview .course-card__status{background:#fff0d5;color:#78500f}
.course-card h3{margin:0 0 9px;font-size:1.35rem}.course-card__description{margin:0 0 17px;color:var(--muted)}.course-card dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0 0 20px}.course-card dt{font-weight:800}.course-card dd{margin:0;color:var(--muted)}
.course-card__actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto}.course-card__actions .catalog-button{flex:1 1 170px}
.catalog-empty{padding:28px;border:2px dashed #aebdc1;border-radius:13px;background:#fff;text-align:center}.catalog-empty h3{margin:0 0 8px}.catalog-empty p{max-width:700px;margin:0 auto;color:var(--muted)}
.catalog-footnote{margin-top:24px;padding:16px;border-left:4px solid var(--orange);background:#fff8ef;color:#5e5145;font-size:.88rem}
@media(max-width:720px){.catalog-policy,.catalog-grid{grid-template-columns:1fr}.catalog-shell{padding:16px 12px 42px}.catalog-actions{display:grid;grid-template-columns:1fr}.catalog-button{width:100%}.course-card{min-height:0;padding:18px 16px}.course-card dl{grid-template-columns:1fr;gap:2px}.course-card dd{margin-bottom:8px}.course-card__actions{display:grid;grid-template-columns:1fr}.course-card__actions .catalog-button{width:100%}}