.sf-theme-classic-v1{--sf-surface: var(--cl-surface);--sf-border: var(--cl-border);--sf-scrim: rgb(15 23 42 / 28%);--cl-bg: #f8fafc;--cl-surface: #ffffff;--cl-surface-soft: #f8fafc;--cl-border: #e2e8f0;--cl-border-soft: #f1f5f9;--cl-ink: #0f172a;--cl-muted: #475569;--cl-subtle: #64748b;--cl-faint: #94a3b8;--cl-ok: #15803d;--cl-ok-bg: #ecfdf5;--cl-ok-line: #a7f3d0;--cl-warn: #92400e;--cl-warn-bg: #fffbeb;--cl-warn-line: #fde68a;--cl-err: #991b1b;--cl-err-bg: #fef2f2;--cl-err-line: #fecaca;--cl-info: #1e40af;--cl-info-bg: #dbeafe;--cl-radius: 14px;--cl-radius-sm: 10px;--cl-shadow: 0 1px 2px rgb(15 23 42 / 6%);--cl-font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;font-family:var(--cl-font);color:var(--cl-ink);background:var(--cl-bg)}.sf-theme-classic-v1 .sf-display{font-weight:800;line-height:1.15;letter-spacing:-.01em}.sf-theme-classic-v1 .sf-kicker{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cl-subtle);margin:0 0 .35rem}.sf-theme-classic-v1 .sf-meta{font-size:.8rem;color:var(--cl-subtle)}.sf-theme-classic-v1 .sf-muted{color:var(--cl-muted)}.sf-theme-classic-v1 .sf-section-title{font-size:1.1rem;font-weight:700;margin:1.75rem 0 .5rem}.sf-theme-classic-v1 .sf-final-highlight{color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-section{padding:3rem 1.5rem;background:var(--cl-bg)}.sf-theme-classic-v1 .sf-section--deep{background:var(--cl-surface);border-block:1px solid var(--cl-border)}.sf-theme-classic-v1 .sf-shell{max-width:72rem;margin:0 auto}.sf-theme-classic-v1.sf-site{min-height:100vh;display:flex;flex-direction:column}.sf-theme-classic-v1 .sf-main{flex:1;width:100%}.sf-theme-classic-v1 .sf-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1.5rem;background:var(--cl-surface);border-bottom:1px solid var(--cl-border)}.sf-theme-classic-v1 .sf-brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:inherit}.sf-theme-classic-v1 .sf-brand-logo{height:var(--sf-brand-logo-h, 44px);width:auto;max-width:200px;-o-object-fit:contain;object-fit:contain}.sf-theme-classic-v1 .sf-brand-initial{display:inline-flex;align-items:center;justify-content:center;height:var(--sf-brand-initial-size, 40px);width:var(--sf-brand-initial-size, 40px);border-radius:10px;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--brand-primary, #2563eb),var(--brand-secondary, #475569))}.sf-theme-classic-v1 .sf-brand-name{font-size:1rem;font-weight:800}.sf-theme-classic-v1 .sf-nav{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.sf-theme-classic-v1 .sf-nav-link{color:var(--cl-muted);font-weight:600;font-size:.9rem;text-decoration:none;padding:.35rem .2rem;border-radius:6px}.sf-theme-classic-v1 .sf-nav-link:hover{color:var(--cl-ink)}.sf-theme-classic-v1 .sf-nav-link:focus-visible,.sf-theme-classic-v1 .sf-brand:focus-visible,.sf-theme-classic-v1 .sf-link:focus-visible,.sf-theme-classic-v1 .sf-cta:focus-visible,.sf-theme-classic-v1 .sf-student-nav-link:focus-visible,.sf-theme-classic-v1 .sf-page-btn:focus-visible,.sf-theme-classic-v1 .sf-lesson-btn:focus-visible,.sf-theme-classic-v1 .sf-input:focus-visible{outline:2px solid var(--brand-primary, #2563eb);outline-offset:2px}.sf-theme-classic-v1 .sf-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.5rem;background:var(--cl-surface);border-top:1px solid var(--cl-border)}.sf-theme-classic-v1 .sf-footer-brand{font-size:.95rem}.sf-theme-classic-v1 .sf-footer-note{font-size:.72rem;letter-spacing:.1em;color:var(--cl-faint)}.sf-theme-classic-v1 .sf-cta{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.55rem 1rem;border:1px solid transparent;border-radius:var(--cl-radius-sm);background:var(--brand-primary, #2563eb);color:#fff;font-family:inherit;font-size:.9rem;font-weight:700;line-height:1.2;cursor:pointer;text-decoration:none;transition:filter .12s ease,transform .12s ease}.sf-theme-classic-v1 .sf-cta:hover{filter:brightness(1.08)}.sf-theme-classic-v1 .sf-cta:active{transform:translateY(1px)}.sf-theme-classic-v1 .sf-cta:disabled,.sf-theme-classic-v1 .sf-cta[aria-disabled=true]{opacity:.55;cursor:not-allowed;filter:none}.sf-theme-classic-v1 .sf-cta--ghost{background:var(--cl-surface);color:#334155;border-color:#cbd5e1}.sf-theme-classic-v1 .sf-cta--ghost:hover{background:var(--cl-surface-soft);filter:none}.sf-theme-classic-v1 .sf-cta--nav{padding:.45rem .85rem;font-size:.85rem}.sf-theme-classic-v1 .sf-cta--card{width:100%}.sf-theme-classic-v1 .sf-cta--xl{padding:.8rem 1.5rem;font-size:1rem}.sf-theme-classic-v1 .sf-cta-group{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.5rem}.sf-theme-classic-v1 .sf-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);box-shadow:var(--cl-shadow)}.sf-theme-classic-v1 .sf-badge{display:inline-block;padding:.18rem .6rem;border-radius:999px;font-size:.74rem;font-weight:700;background:var(--cl-info-bg);color:var(--cl-info)}.sf-theme-classic-v1 .sf-badge--muted{background:var(--cl-border);color:var(--cl-muted)}.sf-theme-classic-v1 .sf-badge--locked{background:var(--cl-err-bg);color:var(--cl-err)}.sf-theme-classic-v1 .sf-label{display:block;font-size:.82rem;font-weight:600;color:var(--cl-muted);margin-bottom:.35rem}.sf-theme-classic-v1 .sf-input{width:100%;padding:.6rem .75rem;border:1px solid #cbd5e1;border-radius:var(--cl-radius-sm);background:var(--cl-surface);font-family:inherit;font-size:.95rem;color:var(--cl-ink);outline:none;transition:border-color .12s ease,box-shadow .12s ease}.sf-theme-classic-v1 .sf-input:focus{border-color:var(--brand-primary, #2563eb);box-shadow:0 0 0 3px #2563eb26}.sf-theme-classic-v1 .sf-error{color:var(--cl-err);font-size:.82rem;margin-top:.3rem}.sf-theme-classic-v1 .sf-link{color:var(--brand-primary, #2563eb);font-weight:600;text-decoration:none}.sf-theme-classic-v1 .sf-link:hover{text-decoration:underline;text-underline-offset:3px}.sf-theme-classic-v1 .sf-notice{border-radius:var(--cl-radius-sm);padding:.75rem 1rem;font-size:.9rem;line-height:1.55;border:1px solid var(--cl-border);background:var(--cl-surface)}.sf-theme-classic-v1 .sf-notice--ok{background:var(--cl-ok-bg);border-color:var(--cl-ok-line);color:#065f46}.sf-theme-classic-v1 .sf-notice--warn{background:var(--cl-warn-bg);border-color:var(--cl-warn-line);color:var(--cl-warn)}.sf-theme-classic-v1 .sf-notice--error{background:var(--cl-err-bg);border-color:var(--cl-err-line);color:var(--cl-err)}.sf-theme-classic-v1 .sf-shell-flash,.sf-theme-classic-v1 .sf-student-flash,.sf-theme-classic-v1 .sf-auth-flash{max-width:60rem;margin:1rem auto 0}.sf-theme-classic-v1 .sf-gap-bottom{margin-bottom:1rem}.sf-theme-classic-v1 .sf-student{min-height:100vh;background:radial-gradient(1200px 600px at 50% -10%,color-mix(in srgb,var(--brand-primary, #2563eb) 10%,transparent),transparent),var(--cl-bg)}.sf-theme-classic-v1 .sf-student-topbar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:var(--sf-topbar-pad-y, .7rem) var(--sf-topbar-pad-x, 1.5rem);background:var(--cl-surface);border-bottom:1px solid var(--cl-border)}.sf-theme-classic-v1 .sf-student-brand-name{font-size:1rem}.sf-theme-classic-v1 .sf-student-nav{display:flex;gap:.15rem;flex-wrap:wrap}.sf-theme-classic-v1 .sf-student-nav-link{padding:.35rem .7rem;border-radius:8px;font-size:.88rem;font-weight:600;color:var(--cl-muted);text-decoration:none}.sf-theme-classic-v1 .sf-student-nav-link:hover{background:var(--cl-border-soft);color:var(--cl-ink)}.sf-theme-classic-v1 .sf-student-nav-link--active{color:var(--brand-primary, #2563eb);background:color-mix(in srgb,var(--brand-primary, #2563eb) 12%,transparent)}.sf-theme-classic-v1 .sf-student-user{margin-left:auto;font-size:.78rem;font-weight:600;color:var(--cl-muted)}.sf-theme-classic-v1 .sf-page-head{background:var(--cl-surface);border-bottom:3px solid var(--brand-primary, #2563eb);padding:1.3rem 0}.sf-theme-classic-v1 .sf-page-head-inner{max-width:var(--sf-student-max, 60rem)}.sf-theme-classic-v1 .sf-student-main{max-width:var(--sf-student-max, 60rem);margin:0 auto;padding:1.5rem var(--sf-student-gutter, 1.5rem)}.sf-theme-classic-v1 .sf-student-hero{background:var(--cl-surface);border:1px solid var(--cl-border);border-top:5px solid var(--brand-primary, #2563eb);border-radius:var(--cl-radius);padding:1.1rem}.sf-theme-classic-v1 .sf-student-title{margin:0 0 .25rem;font-size:1.6rem}.sf-theme-classic-v1 .sf-student-sub{margin-top:0;color:var(--cl-muted);line-height:1.6}.sf-theme-classic-v1 .sf-student-muted{color:var(--cl-subtle);font-size:.85rem}.sf-theme-classic-v1 .sf-student-count{color:var(--cl-subtle);font-size:.82rem;margin:.25rem 0 0}.sf-theme-classic-v1 .sf-student-section-title{margin-top:1.75rem;font-size:1.1rem}.sf-theme-classic-v1 .sf-student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.85rem;margin-top:.75rem}.sf-theme-classic-v1 .sf-student-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);padding:1.1rem;display:flex;flex-direction:column;gap:.5rem}.sf-theme-classic-v1 .sf-student-card-title{font-weight:700}.sf-theme-classic-v1 .sf-student-empty{background:var(--cl-surface);border:1px dashed var(--cl-border);border-radius:var(--cl-radius);padding:1.1rem;margin-top:.5rem;text-align:center;color:var(--cl-subtle)}.sf-theme-classic-v1 .sf-student-progress-row{display:flex;justify-content:space-between;margin-top:.35rem;font-size:.78rem;color:var(--cl-subtle)}.sf-theme-classic-v1 .sf-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.75rem;margin-top:1rem}.sf-theme-classic-v1 .sf-stat{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);padding:1.1rem;text-align:center}.sf-theme-classic-v1 .sf-stat-value{display:block;font-size:1.5rem;font-weight:800;color:var(--brand-primary, #2563eb);font-variant-numeric:tabular-nums}.sf-theme-classic-v1 .sf-stat-label{font-size:.78rem;color:var(--cl-subtle)}.sf-theme-classic-v1 .sf-progress{height:6px;border-radius:999px;background:var(--cl-border);margin-top:.6rem;overflow:hidden}.sf-theme-classic-v1 .sf-progress>span,.sf-theme-classic-v1 .sf-progress-overall>span{display:block;height:100%;background:var(--brand-primary, #2563eb);border-radius:999px}.sf-theme-classic-v1 .sf-progress-overall{height:8px;border-radius:999px;background:var(--cl-border);margin-top:.5rem;overflow:hidden}.sf-theme-classic-v1 .sf-progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem}.sf-theme-classic-v1 .sf-progress-percent{font-weight:700;font-variant-numeric:tabular-nums}.sf-theme-classic-v1 .sf-progress-list{list-style:none;padding:0;margin:.75rem 0 0;display:flex;flex-direction:column;gap:.6rem}.sf-theme-classic-v1 .sf-library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.85rem;margin-top:.75rem}.sf-theme-classic-v1 .sf-library-card{border-top:4px solid var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-library-card--locked{border-top-color:var(--cl-muted);opacity:.9}.sf-theme-classic-v1 .sf-library-badges{display:flex;gap:.4rem;flex-wrap:wrap}.sf-theme-classic-v1 .sf-library-price{color:#334155;font-weight:600}.sf-theme-classic-v1 .sf-library-buy{align-self:flex-start}.sf-theme-classic-v1 .sf-pagination{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:1rem;flex-wrap:wrap}.sf-theme-classic-v1 .sf-page-btn{padding:.45rem .85rem;border:1px solid #cbd5e1;border-radius:var(--cl-radius-sm);background:var(--cl-surface);color:#334155;font-size:.85rem;font-weight:600;text-decoration:none}.sf-theme-classic-v1 .sf-page-btn:hover{background:var(--cl-surface-soft)}.sf-theme-classic-v1 .sf-page-btn--off{opacity:.45;pointer-events:none}.sf-theme-classic-v1 .sf-player-back,.sf-theme-classic-v1 .sf-course-back{display:inline-block;margin-bottom:.75rem;font-size:.85rem;color:var(--brand-secondary, #475569);text-decoration:none}.sf-theme-classic-v1 .sf-player-curriculum{margin-top:1.6rem}.sf-theme-classic-v1 .sf-player-module{margin-top:.7rem}.sf-theme-classic-v1 .sf-player-lessons{list-style:none;padding:0;margin:.4rem 0 0;width:100%}.sf-theme-classic-v1 .sf-player-lesson{display:flex;align-items:center;gap:.6rem;padding:.5rem 0;border-top:1px solid var(--cl-border-soft)}.sf-theme-classic-v1 .sf-player-lesson-body{flex:1}.sf-theme-classic-v1 .sf-player-lesson-link{color:var(--cl-ink);font-weight:600;text-decoration:none}.sf-theme-classic-v1 .sf-player-lesson-link:hover{text-decoration:underline;text-underline-offset:3px}.sf-theme-classic-v1 .sf-player-lesson-link--current{color:var(--brand-primary, #2563eb);font-weight:700}.sf-theme-classic-v1 .sf-lesson-mark{font-weight:800;color:#cbd5e1}.sf-theme-classic-v1 .sf-lesson-mark--done{color:#16a34a}.sf-theme-classic-v1 .sf-lesson-video{position:relative;width:100%;padding-top:56.25%;margin-bottom:1.25rem;border-radius:var(--cl-radius);overflow:hidden;background:#000}.sf-theme-classic-v1 .sf-lesson-video iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.sf-theme-classic-v1 .sf-lesson-content{line-height:1.7;color:var(--cl-muted)}.sf-theme-classic-v1 .sf-lesson-content h2,.sf-theme-classic-v1 .sf-lesson-content h3{color:var(--cl-ink);margin:1.4rem 0 .5rem}.sf-theme-classic-v1 .sf-lesson-content a{color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-lesson-content img{max-width:100%;height:auto;border-radius:var(--cl-radius-sm)}.sf-theme-classic-v1 .sf-lesson-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.25rem}.sf-theme-classic-v1 .sf-lesson-btn{padding:.55rem 1rem;border:1px solid transparent;border-radius:var(--cl-radius-sm);background:var(--brand-primary, #2563eb);color:#fff;font-family:inherit;font-size:.9rem;font-weight:700;cursor:pointer}.sf-theme-classic-v1 .sf-lesson-btn:hover{filter:brightness(1.08)}.sf-theme-classic-v1 .sf-sub-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);padding:1.1rem;margin-top:1rem}.sf-theme-classic-v1 .sf-sub-head{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.sf-theme-classic-v1 .sf-sub-plan-name{font-size:1.05rem;font-weight:700}.sf-theme-classic-v1 .sf-sub-price{font-weight:700;color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-sub-status-box{margin-top:.6rem}.sf-theme-classic-v1 .sf-sub-status{font-weight:700;color:var(--cl-ok)}.sf-theme-classic-v1 .sf-sub-status--active{color:var(--cl-ok)}.sf-theme-classic-v1 .sf-sub-status--off{color:#b91c1c}.sf-theme-classic-v1 .sf-sub-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.6rem;margin-top:.75rem}.sf-theme-classic-v1 .sf-sub-field-value{font-weight:600}.sf-theme-classic-v1 .sf-sub-courses{list-style:none;padding:0;margin:.5rem 0 0;display:flex;flex-direction:column;gap:.35rem}.sf-theme-classic-v1 .sf-sub-course{padding:.4rem 0;border-top:1px solid var(--cl-border-soft)}.sf-theme-classic-v1 .sf-sub-courses-empty{color:var(--cl-subtle);font-size:.85rem}.sf-theme-classic-v1 .sf-sub-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}.sf-theme-classic-v1 .sf-sub-actions-note{color:var(--cl-subtle);font-size:.8rem;margin-top:.5rem}.sf-theme-classic-v1 .sf-sub-cancel{background:var(--cl-surface);border-color:var(--cl-err-line);color:#b91c1c}.sf-theme-classic-v1 .sf-verify-banner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.1rem;border-radius:var(--cl-radius);background:var(--cl-warn-bg);border:1px solid var(--cl-warn-line);color:var(--cl-warn);margin-bottom:1.25rem}.sf-theme-classic-v1 .sf-verify-resend{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid #f59e0b;background:var(--cl-surface);color:var(--cl-warn);font-family:inherit;font-weight:700;padding:.5rem .9rem;border-radius:var(--cl-radius-sm);cursor:pointer}.sf-theme-classic-v1 .sf-auth{position:relative;min-height:100vh;display:grid;place-items:center;padding:2rem 1.25rem;background:radial-gradient(900px 500px at 50% -10%,color-mix(in srgb,var(--brand-primary, #2563eb) 10%,transparent),transparent),var(--cl-bg)}.sf-theme-classic-v1 .sf-auth-fx{display:none}.sf-theme-classic-v1 .sf-auth-card{width:100%;max-width:26rem;padding:1.75rem;display:flex;flex-direction:column;gap:.9rem}.sf-theme-classic-v1 .sf-auth-brand{display:flex;align-items:center;justify-content:center;gap:.6rem;text-decoration:none;color:inherit}.sf-theme-classic-v1 .sf-auth-brand--stacked{flex-direction:column}.sf-theme-classic-v1 .sf-auth-logo-vertical{max-height:96px;max-width:200px;width:auto;-o-object-fit:contain;object-fit:contain}.sf-theme-classic-v1 .sf-auth-brand-name{font-size:1.1rem}.sf-theme-classic-v1 .sf-auth-title{font-size:1.35rem;font-weight:800;margin:0;text-align:center}.sf-theme-classic-v1 .sf-auth-sub{margin:0;text-align:center;color:var(--cl-subtle);font-size:.9rem}.sf-theme-classic-v1 .sf-auth-form{display:flex;flex-direction:column;gap:.85rem}.sf-theme-classic-v1 .sf-auth-remember{display:flex;align-items:center;gap:.45rem;font-size:.88rem;color:var(--cl-muted)}.sf-theme-classic-v1 .sf-auth-submit{width:100%}.sf-theme-classic-v1 .sf-auth-links{display:flex;justify-content:space-between;gap:.75rem;flex-wrap:wrap;font-size:.88rem}.sf-theme-classic-v1 .sf-hero{padding:4rem 1.5rem 3rem;text-align:center;background:radial-gradient(900px 460px at 50% -20%,color-mix(in srgb,var(--brand-primary, #2563eb) 12%,transparent),transparent),var(--cl-bg)}.sf-theme-classic-v1 .sf-hero-title{font-size:clamp(2rem,5vw,3rem);margin:0 0 .75rem}.sf-theme-classic-v1 .sf-hero-lead{max-width:46rem;margin:0 auto 1.25rem;color:var(--cl-muted);font-size:1.05rem;line-height:1.65}.sf-theme-classic-v1 .sf-pillars{background:var(--cl-surface)}.sf-theme-classic-v1 .sf-pillar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-top:1.5rem}.sf-theme-classic-v1 .sf-pillar-index{display:block;font-size:.8rem;font-weight:700;color:var(--brand-primary, #2563eb);font-variant-numeric:tabular-nums}.sf-theme-classic-v1 .sf-pillar-title{font-size:1.05rem;font-weight:700;margin:.35rem 0}.sf-theme-classic-v1 .sf-pillar-body{color:var(--cl-muted);line-height:1.6;margin:0}.sf-theme-classic-v1 .sf-final{text-align:center}.sf-theme-classic-v1 .sf-final-inner{max-width:44rem;margin:0 auto}.sf-theme-classic-v1 .sf-final-title{font-size:clamp(1.5rem,4vw,2.2rem);margin:0 0 1rem}.sf-theme-classic-v1 .sf-courses{background:var(--cl-bg)}.sf-theme-classic-v1 .sf-course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;margin-top:1.5rem}.sf-theme-classic-v1 .sf-course-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);overflow:hidden;display:flex;flex-direction:column}.sf-theme-classic-v1 .sf-course-thumb{width:100%;aspect-ratio:16 / 9;-o-object-fit:cover;object-fit:cover;background:var(--cl-border-soft)}.sf-theme-classic-v1 .sf-course-title{font-size:1rem;font-weight:700;margin:.75rem 1rem .25rem}.sf-theme-classic-v1 .sf-course-desc{margin:0 1rem;color:var(--cl-subtle);font-size:.85rem;line-height:1.55}.sf-theme-classic-v1 .sf-course-price{margin:.6rem 1rem 1rem;font-weight:700;color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-course-folio{color:var(--cl-faint);font-variant-numeric:tabular-nums}.sf-theme-classic-v1 .sf-course-hero{padding:3rem 1.5rem 2rem;background:var(--cl-surface);border-bottom:1px solid var(--cl-border)}.sf-theme-classic-v1 .sf-course-hero-title{font-size:clamp(1.75rem,4.5vw,2.5rem);margin:0 0 .5rem}.sf-theme-classic-v1 .sf-course-hero-price{font-size:1.15rem;font-weight:800;color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-course-body{line-height:1.7;color:var(--cl-muted)}.sf-theme-classic-v1 .sf-offer-grid,.sf-theme-classic-v1 .sf-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1.5rem}.sf-theme-classic-v1 .sf-offer-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}.sf-theme-classic-v1 .sf-offer-card--featured{border-color:var(--brand-primary, #2563eb);box-shadow:0 10px 30px -18px #2563eb73}.sf-theme-classic-v1 .sf-offer-flag{align-self:flex-start}.sf-theme-classic-v1 .sf-offer-title{font-size:1.05rem;font-weight:700}.sf-theme-classic-v1 .sf-offer-price,.sf-theme-classic-v1 .sf-plan-prices{font-size:1.35rem;font-weight:800;color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-offer-detail,.sf-theme-classic-v1 .sf-plan-scope,.sf-theme-classic-v1 .sf-plan-price-alt{color:var(--cl-subtle);font-size:.85rem}.sf-theme-classic-v1 .sf-plans-empty{color:var(--cl-subtle);text-align:center;margin-top:1.5rem}.sf-theme-classic-v1 .sf-cycle-selector{display:inline-flex;gap:.25rem;padding:.25rem;border:1px solid var(--cl-border);border-radius:999px;background:var(--cl-surface)}.sf-theme-classic-v1 .sf-cycle{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;font-family:inherit;font-size:.85rem;font-weight:600;color:var(--cl-muted);padding:.35rem .9rem;border-radius:999px;cursor:pointer}.sf-theme-classic-v1 .sf-cycle--active{background:var(--brand-primary, #2563eb);color:#fff}.sf-theme-classic-v1 .sf-checkout{padding:2.5rem 1.5rem}.sf-theme-classic-v1 .sf-checkout-shell{max-width:60rem;margin:0 auto}.sf-theme-classic-v1 .sf-checkout-head{margin-bottom:1.25rem}.sf-theme-classic-v1 .sf-checkout-title{font-size:1.6rem;margin:0 0 .25rem}.sf-theme-classic-v1 .sf-checkout-sub,.sf-theme-classic-v1 .sf-checkout-desc{color:var(--cl-muted);margin:0}.sf-theme-classic-v1 .sf-checkout-grid{display:grid;grid-template-columns:1fr;gap:1rem}@media(min-width:62rem){.sf-theme-classic-v1 .sf-checkout-grid{grid-template-columns:1.4fr 1fr;align-items:start}}.sf-theme-classic-v1 .sf-checkout-card{background:var(--cl-surface);border:1px solid var(--cl-border);border-radius:var(--cl-radius);padding:1.25rem}.sf-theme-classic-v1 .sf-checkout-card--pay{border-color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-checkout-side{display:flex;flex-direction:column;gap:1rem}.sf-theme-classic-v1 .sf-checkout-item{display:flex;justify-content:space-between;gap:.75rem;padding:.5rem 0;border-top:1px solid var(--cl-border-soft)}.sf-theme-classic-v1 .sf-checkout-price{font-size:1.35rem;font-weight:800;color:var(--brand-primary, #2563eb)}.sf-theme-classic-v1 .sf-checkout-offer{color:var(--cl-subtle);font-size:.85rem}.sf-theme-classic-v1 .sf-checkout-switch{margin-top:.75rem}.sf-theme-classic-v1 .sf-checkout-pay{width:100%;margin-top:.75rem}.sf-theme-classic-v1 .sf-checkout-gateway,.sf-theme-classic-v1 .sf-checkout-safe{color:var(--cl-subtle);font-size:.8rem;margin-top:.5rem}@media(max-width:48rem){.sf-theme-classic-v1 .sf-student-topbar,.sf-theme-classic-v1 .sf-header{padding:.65rem 1rem}.sf-theme-classic-v1.sf-student{--sf-student-gutter: 1rem}.sf-theme-classic-v1 .sf-student-main{padding:1rem var(--sf-student-gutter, 1rem)}.sf-theme-classic-v1 .sf-student-user{display:none}.sf-theme-classic-v1 .sf-brand-logo{height:var(--sf-brand-logo-h, 36px)}}@media(prefers-reduced-motion:reduce){.sf-theme-classic-v1 *{animation:none!important;transition:none!important}}.sf-theme-classic-v1 .sf-tight{margin:0}