.course-page{background:var(--bg)}.breadcrumb{padding:1.1rem 0 0;background:var(--hero-surface);color:var(--muted)}.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:0.4rem;font-size:0.9rem;color:var(--muted)}.breadcrumb-list a{color:var(--blue);font-weight:600}.breadcrumb-list a:hover{text-decoration:underline}.breadcrumb-list .sep{opacity:0.5}.breadcrumb-list [aria-current="page"]{color:var(--navy);font-weight:700}.course-hero{padding:1.5rem 0 3rem;background:var(--hero-bg);border-bottom:1px solid var(--hero-border);color:var(--text)}.course-hero-grid{display:grid;gap:2.25rem;align-items:center}.course-hero-badges{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1rem}.course-hero h1{font-size:clamp(2rem,4vw,2.75rem);margin-bottom:0.75rem;max-width:16ch;color:var(--navy)}.course-hero-lead{color:var(--muted);font-size:1.1rem;max-width:36rem;margin-bottom:1.35rem}.course-hero-features{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;margin-bottom:1.5rem}.course-hero-features li{display:inline-flex;align-items:center;gap:0.5rem;font-size:0.95rem;font-weight:600;color:var(--text)}.course-hero-features svg{width:20px;height:20px;color:var(--blue);flex-shrink:0}.course-hero-cta{display:flex;flex-wrap:wrap;gap:0.75rem;margin-bottom:1rem}.course-hero-note{display:flex;align-items:center;gap:0.5rem;margin:0;font-size:0.9rem;color:var(--muted)}.course-hero-note svg{width:18px;height:18px;color:var(--blue);flex-shrink:0}.course-hero-visual{position:relative;justify-self:center;width:min(100%,420px)}.laptop{background:#fff;border:1px solid var(--border);border-radius:16px 16px 8px 8px;box-shadow:var(--shadow-lg);overflow:hidden}.laptop-bar{display:flex;gap:6px;padding:0.7rem 0.9rem;background:var(--surface);border-bottom:1px solid var(--border)}.laptop-bar span{width:8px;height:8px;border-radius:50%;background:#cbd5e1}.laptop-screen{padding:1.15rem 1.2rem 1.35rem;background:linear-gradient(160deg,#f8fbff,#eef5ff)}.laptop-screen h3{font-size:0.95rem;margin-bottom:0.85rem}.laptop-list{display:grid;gap:0.55rem}.laptop-list li{display:flex;align-items:center;gap:0.55rem;padding:0.55rem 0.7rem;background:#fff;border:1px solid var(--border);border-radius:8px;font-size:0.88rem;font-weight:600}.laptop-list svg{width:16px;height:16px;color:var(--success);flex-shrink:0}.hero-cert-badge{position:absolute;right:-0.5rem;bottom:-0.75rem;width:108px;height:108px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;text-align:center;font-size:0.72rem;font-weight:800;line-height:1.25;letter-spacing:0.02em;box-shadow:var(--shadow-lg);border:4px solid #fff;padding:0.5rem}.course-layout{padding:0 0 4.5rem}.course-layout-grid{display:grid;gap:2rem;align-items:start}.course-main{display:grid;gap:2rem}.course-block{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:clamp(1.35rem,3vw,1.85rem);box-shadow:var(--shadow)}.block-head{display:flex;align-items:center;gap:0.7rem;margin-bottom:0.85rem}.block-head svg{width:24px;height:24px;color:var(--blue);flex-shrink:0}.block-head h2{margin:0;font-size:1.35rem}.course-block>p{color:var(--muted);margin-bottom:1.25rem}.learn-grid{display:grid;gap:0.75rem 1.25rem}.learn-grid li{display:grid;grid-template-columns:22px 1fr;gap:0.65rem;align-items:start;font-weight:600;font-size:0.98rem}.learn-grid svg{width:20px;height:20px;color:var(--success);margin-top:0.1rem}.curriculum-meta{margin:0 0 1.15rem;color:var(--muted);font-size:0.95rem;font-weight:600}.module-list{display:grid;gap:0.75rem}.module-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);overflow:hidden}.module-item[open]{background:#fff;box-shadow:var(--shadow)}.module-item summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:44px 1fr auto;gap:0.9rem;align-items:center;padding:1rem 1.1rem}.module-item summary::-webkit-details-marker{display:none}.module-num{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(0,103,179,0.12);color:var(--blue);font-weight:800;font-size:0.9rem}.module-title{margin:0 0 0.2rem;font-size:1.05rem}.module-desc{margin:0;color:var(--muted);font-size:0.9rem;font-weight:500}.module-meta{display:flex;align-items:center;gap:0.55rem;font-size:0.85rem;font-weight:600;color:var(--muted);white-space:nowrap}.module-chevron{width:18px;height:18px;color:var(--blue);transition:transform 0.2s ease}.module-item[open] .module-chevron{transform:rotate(180deg)}.module-lessons{padding:0 1.1rem 1.1rem 4.4rem;display:grid;gap:0.45rem;border-top:1px solid transparent}.module-item[open] .module-lessons{border-top-color:var(--border);padding-top:0.85rem;margin-top:-0.15rem}.module-lessons li{display:flex;align-items:center;gap:0.55rem;padding:0.55rem 0.7rem;border-radius:8px;background:var(--surface);font-size:0.92rem;font-weight:600}.module-lessons span{color:var(--blue);font-weight:800;font-size:0.8rem;min-width:1.5rem}.module-lessons a{color:var(--text);font-weight:600}.module-lessons a:hover{color:var(--blue)}.exam-note{margin-top:1.25rem;padding:1rem 1.1rem;border-radius:var(--radius-sm);background:rgba(0,103,179,0.06);border:1px solid rgba(0,103,179,0.15);color:var(--text);font-size:0.95rem}.exam-note strong{color:var(--blue)}.course-sidebar{display:grid;gap:1.15rem}.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.35rem 1.3rem;box-shadow:var(--shadow)}.side-card h3{font-size:1.05rem;margin-bottom:0.85rem}.side-card>p{color:var(--muted);font-size:0.95rem}.side-card-top{margin-top:-4.5rem}.side-badges{display:flex;flex-wrap:wrap;gap:0.45rem;margin-bottom:1.1rem}.side-stats{display:grid;gap:0.75rem;margin-bottom:1.25rem}.side-stats li{display:grid;grid-template-columns:22px 1fr;gap:0.7rem;align-items:center;font-size:0.95rem;font-weight:600}.side-stats svg{width:18px;height:18px;color:var(--blue)}.side-card .btn{width:100%}.side-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(0,103,179,0.1);color:var(--blue);margin-bottom:0.85rem}.side-icon svg{width:22px;height:22px}.detail-list{display:grid;gap:0.7rem}.detail-list li{display:flex;justify-content:space-between;gap:1rem;padding-bottom:0.7rem;border-bottom:1px solid var(--border);font-size:0.92rem}.detail-list li:last-child{border-bottom:0;padding-bottom:0}.detail-list span{color:var(--muted);font-weight:600}.detail-list strong{font-weight:700;text-align:right}.audience-list{display:grid;gap:0.55rem}.audience-list li{display:grid;grid-template-columns:20px 1fr;gap:0.55rem;align-items:start;font-size:0.95rem;font-weight:600}.audience-list svg{width:18px;height:18px;color:var(--success);margin-top:0.15rem}.prereq{display:grid;grid-template-columns:40px 1fr;gap:0.75rem;align-items:start}.prereq svg{width:22px;height:22px;color:var(--blue);margin-top:0.15rem}.prereq p{margin:0;color:var(--muted);font-size:0.95rem}@media (min-width:640px){.learn-grid{grid-template-columns:1fr 1fr}}@media (min-width:980px){.course-hero-grid{grid-template-columns:1.15fr 0.85fr;gap:3rem}.course-layout-grid{grid-template-columns:1.55fr 0.85fr;gap:1.75rem}.side-card-top{margin-top:-6.5rem}.module-item summary{grid-template-columns:48px 1fr auto}}@media (max-width:979px){.side-card-top{margin-top:0}.module-item summary{grid-template-columns:40px 1fr}.module-meta{grid-column:2;margin-top:-0.35rem;padding-bottom:0.15rem}.module-lessons{padding-left:1.1rem}.hero-cert-badge{right:0.5rem;bottom:-0.5rem;width:96px;height:96px;font-size:0.68rem}}@media (max-width:639px){.header-actions .btn-text{display:none}.module-item summary{gap:0.65rem}.course-hero h1{max-width:none}}