/* R5.23 Course layout merge — homepage only */
.r523-course-zone{background:#f7fafc;padding:clamp(48px,5vw,76px) 0}
.r523-course-shell{display:grid;gap:24px}
.r523-course-head,.r523-subhead{display:flex;align-items:center;justify-content:space-between;gap:18px}
.r523-course-head h2,.r523-subhead h2{margin:0;color:#0b2f54;line-height:1.12}
.r523-course-head h2{font-size:clamp(1.8rem,3vw,2.45rem)}
.r523-subhead h2{font-size:clamp(1.25rem,2vw,1.65rem)}
.r523-diploma-panel{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);background:#fff;border:1px solid #dce7ee;border-radius:22px;overflow:hidden;box-shadow:0 16px 42px rgba(8,47,87,.07);min-height:430px}
.r523-diploma-list-wrap{padding:clamp(24px,3vw,34px);display:flex;align-items:center}
.r523-diploma-list{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 12px;max-height:350px;overflow-y:auto;padding-right:7px;scrollbar-width:thin;scrollbar-color:#8ca6b7 #edf3f7}
.r523-diploma-list::-webkit-scrollbar{width:8px}.r523-diploma-list::-webkit-scrollbar-track{background:#edf3f7;border-radius:20px}.r523-diploma-list::-webkit-scrollbar-thumb{background:#8ca6b7;border-radius:20px}
.r523-diploma-list a{display:flex;align-items:center;min-height:45px;padding:10px 13px;border:1px solid #dfe8ef;background:#fbfdfe;border-radius:9px;text-decoration:none;color:#113b61;font-size:.92rem;font-weight:750;line-height:1.25}
.r523-diploma-list a:hover,.r523-diploma-list a:focus-visible{background:#eef9f8;border-color:#14908c;color:#075f5c}
.r523-diploma-image{display:block;min-height:430px;overflow:hidden;background:#e9f0f4}
.r523-diploma-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .35s ease}
.r523-diploma-image:hover img{transform:scale(1.02)}
.r523-cert-career{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:22px}
.r523-cert-block,.r523-career-block{background:#fff;border:1px solid #dce7ee;border-radius:20px;padding:clamp(24px,3vw,32px);box-shadow:0 12px 34px rgba(8,47,87,.05)}
.r523-cert-list{display:grid;gap:9px;margin-top:20px}
.r523-cert-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:12px 14px;border:1px solid #dfe8ef;border-radius:10px;background:#fbfdfe;color:#113b61;text-decoration:none;font-weight:750}
.r523-cert-list a:hover,.r523-cert-list a:focus-visible{background:#eef9f8;border-color:#14908c;color:#075f5c}
.r523-career-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}
.r523-career-grid article{min-height:118px;padding:16px;border:1px solid #dfe8ef;border-radius:12px;background:#fbfdfe;display:grid;grid-template-columns:34px 1fr;grid-template-rows:auto 1fr;column-gap:10px;align-items:start}
.r523-career-grid i{grid-row:1/3;width:34px;height:34px;border-radius:9px;background:#e7f7f5;color:#087b78;display:grid;place-items:center;font-size:.95rem}
.r523-career-grid strong{color:#0b2f54;font-size:.92rem;line-height:1.25}
.r523-career-grid span{color:#5a6f80;font-size:.8rem;line-height:1.45;margin-top:4px}
@media(max-width:900px){
 .r523-diploma-panel{grid-template-columns:1fr;min-height:0}
 .r523-diploma-list-wrap{order:2}
 .r523-diploma-image{order:1;min-height:320px}
 .r523-cert-career{grid-template-columns:1fr}
}
@media(max-width:640px){
 .r523-course-zone{padding:40px 0}
 .r523-course-head,.r523-subhead{align-items:flex-start;flex-direction:column;gap:8px}
 .r523-diploma-panel{border-radius:16px}
 .r523-diploma-image{min-height:230px}
 .r523-diploma-list-wrap{padding:18px 15px}
 .r523-diploma-list{grid-template-columns:1fr;max-height:310px;gap:7px}
 .r523-diploma-list a{min-height:42px;font-size:.88rem}
 .r523-cert-block,.r523-career-block{border-radius:16px;padding:20px 16px}
 .r523-career-grid{grid-template-columns:1fr}
 .r523-career-grid article{min-height:96px}
}
/* merge certificate + career into one visual section */
.r523-cert-career{background:#fff;border:1px solid #dce7ee;border-radius:20px;box-shadow:0 12px 34px rgba(8,47,87,.05);overflow:hidden;gap:0}
.r523-cert-block,.r523-career-block{background:transparent;border:0;border-radius:0;box-shadow:none}
.r523-career-block{border-left:1px solid #dce7ee}
@media(max-width:900px){.r523-career-block{border-left:0;border-top:1px solid #dce7ee}}