:root{--sb-bg: #0e0e10;--sb-bg-subtle: #181818;--sb-bg-elevated: #202020;--sb-bg-panel: #1a1a1c;--sb-text: #f6f4f5;--sb-text-muted: #b8b8c8;--sb-text-soft: #727288;--sb-border: rgba(255, 255, 255, .1);--sb-border-strong: rgba(255, 255, 255, .18);--sb-cyan: #21bccf;--sb-cyan-dark: #1a9aaa;--sb-cyan-soft: rgba(33, 188, 207, .14);--sb-focus: #21bccf;--sb-danger: #e6002e;--sb-danger-soft: rgba(230, 0, 46, .14);--sb-ok: #1cc55a;--sb-warning: #ffbb00;--sb-radius: 10px;--sb-radius-sm: 6px;--sb-shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 12px 32px rgba(0, 0, 0, .28);--sb-max: 1280px;--sb-font-ui: "Manrope", ui-sans-serif, sans-serif;--sb-font-display: "Sora", ui-sans-serif, sans-serif;--sb-space: 8px;--sb-body: 16px;--sb-nav-h: 68px;--sb-mobile-nav-h: 64px}*,*:before,*:after{box-sizing:border-box}html{color-scheme:dark;overflow-x:clip}body{margin:0;min-height:100dvh;max-width:100%;overflow-x:clip;font-family:var(--sb-font-ui);font-size:var(--sb-body);line-height:1.55;color:var(--sb-text);background:var(--sb-bg);-webkit-font-smoothing:antialiased}#root{min-height:100dvh;max-width:100%;overflow-x:clip}img{max-width:100%;height:auto}pre,code,table{max-width:100%}table{display:block;overflow-x:auto}a{color:var(--sb-cyan);text-underline-offset:3px}a:hover{color:#4fd0df}:focus-visible{outline:2px solid var(--sb-focus);outline-offset:2px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.sb-shell{min-height:100dvh;display:flex;flex-direction:column;padding-bottom:calc(var(--sb-mobile-nav-h) + env(safe-area-inset-bottom,0px));background:var(--sb-bg);width:100%;max-width:100%;overflow-x:clip}@media(min-width:1100px){.sb-shell{padding-bottom:0}}body.sb-menu-open{overflow:hidden}.sb-skip-link{position:absolute;left:12px;top:12px;z-index:100;padding:10px 14px;border-radius:var(--sb-radius-sm);background:var(--sb-cyan);color:#0a0a0b;font-weight:700;text-decoration:none;transform:translateY(-160%);transition:transform .15s ease}.sb-skip-link:focus{transform:translateY(0);outline:none}.sb-topnav{position:sticky;top:0;z-index:40;min-height:var(--sb-nav-h);border-bottom:1px solid var(--sb-border);background:#0e0e10eb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:visible}.sb-topnav-inner{max-width:none;margin:0;padding:0 max(12px,env(safe-area-inset-right,0px)) 0 max(12px,env(safe-area-inset-left,0px));min-height:var(--sb-nav-h);display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-width:0;box-sizing:border-box;overflow:visible}.sb-topnav-left{display:flex;align-items:center;justify-content:flex-start;gap:10px;min-width:0;flex:1 1 auto;margin-right:auto;overflow:hidden}.sb-topnav-left .sb-brand{justify-content:flex-start;max-width:100%}.sb-topnav-right{display:flex;align-items:center;justify-content:flex-end;gap:clamp(10px,1.5vw,24px);margin-left:auto;min-width:0;flex:0 0 auto}.sb-topnav-links{display:none;align-items:center;gap:clamp(8px,1.1vw,16px);flex-wrap:nowrap;min-width:0}@media(min-width:1100px){.sb-topnav-links{display:flex}.sb-menu-toggle,.sb-menu-backdrop,.sb-menu-panel{display:none!important}.sb-topnav-desktop-only{display:inline-flex}}.sb-topnav-links a{color:var(--sb-text-muted);text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.01em;padding:8px 0;transition:color .15s ease;white-space:nowrap}.sb-topnav-links a:hover,.sb-topnav-links a.active,.sb-topnav-links a[aria-current=page]{color:var(--sb-text)}.sb-topnav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.sb-menu-user-name{margin:0 0 2px;font-size:1.05rem;font-weight:700;color:var(--sb-text)}.sb-menu-user-handle{margin:0 0 12px;font-size:.85rem;color:var(--sb-text-muted)}.sb-account-menu{position:relative;display:inline-flex;align-items:center;z-index:50;max-width:min(240px,42vw)}.sb-account-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;min-height:40px;padding:3px 10px 3px 3px;border-radius:999px;border:1px solid var(--sb-border-strong);background:var(--sb-bg-elevated);color:var(--sb-text);cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.sb-account-chip:hover,.sb-account-chip.is-open{border-color:var(--sb-cyan);box-shadow:0 0 0 2px var(--sb-cyan-soft);background:#242428}.sb-account-chip-avatar{width:34px;height:34px;border-radius:999px;border:1px solid var(--sb-border);background:#2a2a2e;color:var(--sb-text);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}.sb-account-avatar-initials{font-family:var(--sb-font-display);font-size:12px;font-weight:700;letter-spacing:.02em;line-height:1}.sb-account-avatar-img{width:100%;height:100%;object-fit:cover}.sb-account-chip-text{display:none;flex-direction:column;align-items:flex-start;min-width:0;line-height:1.15;text-align:left}.sb-account-chip-name{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700}.sb-account-chip-meta{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;color:var(--sb-text-muted)}.sb-account-chip-caret{display:none;color:var(--sb-text-muted);font-size:11px;line-height:1;margin-right:2px}@media(min-width:640px){.sb-account-menu{max-width:min(260px,36vw)}.sb-account-chip{padding-right:12px}.sb-account-chip-text{display:flex}.sb-account-chip-caret{display:inline}}@media(min-width:900px){.sb-account-chip-name,.sb-account-chip-meta{max-width:150px}}.sb-account-popup{position:absolute;top:calc(100% + 10px);right:0;z-index:80;width:min(280px,calc(100vw - 24px));padding:10px;border-radius:12px;border:1px solid var(--sb-border);background:var(--sb-bg-panel);box-shadow:var(--sb-shadow);display:grid;gap:8px}.sb-account-popup-head{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:var(--sb-bg-elevated);border:1px solid var(--sb-border);text-decoration:none;color:inherit}.sb-account-popup-head:hover{border-color:var(--sb-border-strong);background:#242428}.sb-account-popup-avatar{width:36px;height:36px;border-radius:999px;background:#2a2a2e;border:1px solid var(--sb-border-strong);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;font-family:var(--sb-font-display);font-size:12px;font-weight:700}.sb-account-popup-avatar img{width:100%;height:100%;object-fit:cover}.sb-account-popup-meta{min-width:0}.sb-account-popup-name{margin:0;font-size:14px;font-weight:700;color:var(--sb-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-account-popup-secondary{margin:2px 0 0;font-size:12px;color:var(--sb-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-account-popup-item{display:flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 12px;border-radius:8px;border:1px solid var(--sb-border);background:transparent;color:var(--sb-text);font:inherit;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;width:100%;box-sizing:border-box}.sb-account-popup-item:hover{background:#ffffff0a;border-color:var(--sb-border-strong)}.sb-account-popup-signout{justify-content:center}.sb-topnav-desktop-only{display:none}@media(max-width:640px){.sb-topnav-login{display:none}}.sb-menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin:0;padding:0;border:1px solid var(--sb-border-strong);border-radius:var(--sb-radius-sm);background:transparent;color:var(--sb-text);cursor:pointer}.sb-menu-toggle:hover{border-color:#ffffff59;background:#ffffff0a}.sb-menu-icon{position:relative;width:18px;height:14px;display:block}.sb-menu-icon span{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:currentColor;transition:transform .18s ease,top .18s ease,opacity .18s ease}.sb-menu-icon span:nth-child(1){top:0}.sb-menu-icon span:nth-child(2){top:6px}.sb-menu-icon span:nth-child(3){top:12px}.sb-menu-icon.is-open span:nth-child(1){top:6px;transform:rotate(45deg)}.sb-menu-icon.is-open span:nth-child(2){opacity:0}.sb-menu-icon.is-open span:nth-child(3){top:6px;transform:rotate(-45deg)}.sb-menu-backdrop{position:fixed;inset:var(--sb-nav-h) 0 0;z-index:45;background:#0000008c;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.sb-menu-backdrop.is-open{opacity:1;visibility:visible;pointer-events:auto}.sb-menu-panel{position:fixed;top:var(--sb-nav-h);right:0;z-index:46;width:min(360px,100vw);max-height:calc(100dvh - var(--sb-nav-h));overflow:auto;padding:calc(var(--sb-space) * 2.5);background:#141416;border-left:1px solid var(--sb-border);box-shadow:-16px 0 40px #00000059;transform:translate(104%);visibility:hidden;transition:transform .2s ease,visibility .2s ease}.sb-menu-panel.is-open{transform:translate(0);visibility:visible}.sb-menu-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:calc(var(--sb-space) * 3)}.sb-menu-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--sb-radius-sm);color:var(--sb-text);text-decoration:none;font-weight:600;font-size:16px}.sb-menu-nav a:hover,.sb-menu-nav a.active,.sb-menu-nav a[aria-current=page]{background:#21bccf1f;color:var(--sb-cyan)}.sb-menu-account{display:flex;flex-direction:column;gap:10px;padding-top:calc(var(--sb-space) * 2);border-top:1px solid var(--sb-border)}.sb-menu-account .sb-btn{width:100%;min-height:48px}.sb-brand{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--sb-text);min-width:0;max-width:100%}.sb-brand-mark{display:block;flex-shrink:0;width:36px;height:36px;object-fit:contain}.sb-brand-sm .sb-brand-mark{width:28px;height:28px}.sb-brand-lg .sb-brand-mark{width:64px;height:64px}.sb-brand-wordmark{font-family:var(--sb-font-display);font-weight:700;font-size:1.15rem;letter-spacing:-.02em;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--sb-text)}.sb-brand-accent{color:var(--sb-text);font-weight:700}.sb-brand-sm .sb-brand-wordmark{font-size:1.05rem}.sb-brand-lg .sb-brand-wordmark{font-size:clamp(1.75rem,4vw,2.5rem)}.sb-brand-lg{gap:.85rem}@media(max-width:380px){.sb-topnav .sb-brand-wordmark{font-size:.95rem}}.sb-mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:50;min-height:var(--sb-mobile-nav-h);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--sb-border);background:#0e0e10f5;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:grid;grid-template-columns:repeat(5,1fr);gap:2px}@media(min-width:1100px){.sb-mobile-nav{display:none}}.sb-mobile-nav 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h2{margin:0;font-family:var(--sb-font-display);font-size:clamp(1.35rem,2vw,1.75rem);font-weight:600;letter-spacing:-.02em;min-width:0;overflow-wrap:anywhere;flex:1 1 auto}.sb-section-head a{color:var(--sb-text-muted);text-decoration:none;font-size:14px;font-weight:600;flex:0 0 auto;min-height:40px;display:inline-flex;align-items:center;white-space:nowrap}.sb-section-head a:hover{color:var(--sb-cyan)}.sb-home-panels .sb-interactive-card{gap:10px}.sb-home-panel-kicker{display:inline-flex;align-self:flex-start;padding:3px 8px;border-radius:999px;border:1px solid var(--sb-border);background:#ffffff0a;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--sb-text-soft)}.sb-home-panel-time{color:var(--sb-cyan)!important;font-size:13px!important;font-weight:600}.sb-home-panel-cta{margin-top:auto;font-size:14px;font-weight:700;color:var(--sb-cyan)}.sb-home-discover{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}.sb-lede{margin:0 0 calc(var(--sb-space) * 2);color:var(--sb-text-muted);max-width:62ch}h1,h2,h3{color:var(--sb-text);font-family:var(--sb-font-display)}.sb-hero{position:relative;overflow:hidden;width:100%;max-width:100%;min-height:min(78vh,720px);min-height:min(78svh,720px);display:flex;align-items:flex-end;border-bottom:1px solid var(--sb-border)}.sb-hero-media{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.sb-hero-image{width:100%;height:100%;object-fit:cover;object-position:center 40%;display:block}.sb-hero-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,#08080ae0,#08080a8c 48%,#08080a59),linear-gradient(180deg,#08080a59,#08080a26 40%,#08080aeb)}.sb-hero-inner{position:relative;width:100%;max-width:var(--sb-max);margin:0 auto;padding:clamp(3.5rem,10vw,5.5rem) max(16px,env(safe-area-inset-right,0px),calc(var(--sb-space) * 2.5)) clamp(2.75rem,7vw,4rem) max(16px,env(safe-area-inset-left,0px),calc(var(--sb-space) * 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transparent;font-family:inherit;font-size:14px;font-weight:700;letter-spacing:.02em;text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.sb-btn-primary{background:var(--sb-cyan);color:#0a0a0b;border-color:var(--sb-cyan)}.sb-btn-primary:hover{background:#3fc8d8;color:#0a0a0b}.sb-btn-secondary{background:var(--sb-cyan-soft);color:var(--sb-cyan);border-color:#21bccf59}.sb-btn-secondary:hover{background:#21bccf38;color:#6fdce8}.sb-btn-ghost{background:transparent;color:var(--sb-text);border-color:var(--sb-border-strong)}.sb-btn-ghost:hover{border-color:#fff6;background:#ffffff0a;color:#fff}.sb-btn-sm{padding:8px 14px;font-size:13px}.sb-btn:disabled{opacity:.55;cursor:not-allowed}@media(prefers-reduced-motion:no-preference){.sb-btn-primary:hover{transform:translateY(-1px)}}.sb-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:calc(var(--sb-space) * 2)}.sb-interactive-card{display:flex;flex-direction:column;gap:calc(var(--sb-space) * 1.5);padding:calc(var(--sb-space) * 2);border:1px solid var(--sb-border);border-radius:var(--sb-radius);background:var(--sb-bg-elevated);box-shadow:none;text-decoration:none;color:inherit;transition:border-color .15s ease,background .15s ease;min-height:100%;min-width:0;overflow-wrap:anywhere}@media(prefers-reduced-motion:no-preference){.sb-interactive-card:hover{border-color:#21bccf73;background:#242426}}@media(hover:none){.sb-interactive-card:active{border-color:#21bccf73;background:#242426}}.sb-interactive-card h3{margin:0;font-size:1.05rem;font-weight:600}.sb-interactive-card p{margin:0;color:var(--sb-text-muted);font-size:15px}.sb-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--sb-text-soft)}.sb-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#ffffff0a;border:1px solid var(--sb-border);font-size:13px;color:var(--sb-text-muted)}.sb-chip-active{background:var(--sb-cyan-soft);border-color:#21bccf66;color:var(--sb-cyan)}.sb-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:6px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.sb-badge-concept{background:#ffffff14;color:#d1d5db}.sb-badge-wip{background:#ffbb0024;color:#fb0}.sb-badge-published{background:#1cc55a24;color:#3dd97a}.sb-badge-archived{background:#ffffff0f;color:#9ca3af}.sb-badge-unavailable{background:var(--sb-danger-soft);color:#ff4d6d}.sb-state{padding:calc(var(--sb-space) * 4);border:1px dashed var(--sb-border-strong);border-radius:var(--sb-radius);text-align:center;background:var(--sb-bg-subtle)}.sb-state h2,.sb-state h3{margin:0 0 var(--sb-space);font-family:var(--sb-font-display)}.sb-state p{margin:0 0 calc(var(--sb-space) * 2);color:var(--sb-text-muted)}.sb-state-loading .sb-spinner{width:28px;height:28px;margin:0 auto calc(var(--sb-space) * 2);border:3px solid var(--sb-border);border-top-color:var(--sb-cyan);border-radius:50%;animation:sb-spin .8s linear infinite}@keyframes sb-spin{to{transform:rotate(360deg)}}.sb-notice{padding:calc(var(--sb-space) * 1.5) calc(var(--sb-space) * 2);border-radius:var(--sb-radius-sm);background:var(--sb-cyan-soft);border:1px solid rgba(33,188,207,.35);color:var(--sb-text);font-size:14px;margin-bottom:calc(var(--sb-space) * 3)}.sb-search{display:flex;flex-wrap:wrap;align-items:stretch;gap:var(--sb-space);margin-bottom:calc(var(--sb-space) * 2)}.sb-search .sb-btn{min-height:48px;flex:0 0 auto}.sb-search-field{position:relative;flex:1 1 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ease;min-width:0}.sb-learn-card:hover{border-color:#21bccf73;background:#242426;color:inherit}.sb-learn-card-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.sb-learn-level{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:capitalize;background:#ffffff0f;border:1px solid var(--sb-border);color:var(--sb-text-muted)}.sb-learn-level-beginner{background:#1cc55a1f;border-color:#1cc55a4d;color:#1cc55a}.sb-learn-level-intermediate{background:#ffbb001f;border-color:#ffbb0047;color:#fb0}.sb-learn-level-advanced{background:#e6002e1f;border-color:#e6002e47;color:#ff6b84}.sb-learn-module-count{font-size:12px;font-weight:600;color:var(--sb-text-soft)}.sb-learn-module-count-soon{color:var(--sb-warning)}.sb-learn-card-title{margin:0;font-family:var(--sb-font-display);font-size:1.15rem;font-weight:600;letter-spacing:-.02em;line-height:1.3;overflow-wrap:anywhere}.sb-learn-card-summary{margin:0;flex:1;color:var(--sb-text-muted);font-size:15px;line-height:1.5}.sb-learn-card-cta{margin-top:4px;font-size:14px;font-weight:700;color:var(--sb-cyan)}.sb-learn-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 calc(var(--sb-space) * 2);font-size:13px;color:var(--sb-text-soft)}.sb-learn-breadcrumb a{color:var(--sb-text-muted);text-decoration:none;font-weight:600}.sb-learn-breadcrumb a:hover{color:var(--sb-cyan)}.sb-learn-path-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:calc(var(--sb-space) * 3)}.sb-learn-empty-path,.sb-learn-empty-actions{display:flex;flex-direction:column;align-items:flex-start;gap:calc(var(--sb-space) * 1.5);padding:calc(var(--sb-space) * 3);border:1px solid var(--sb-border);border-radius:var(--sb-radius);background:var(--sb-bg-elevated)}.sb-learn-empty-path h2{margin:0;font-size:1.15rem}.sb-learn-empty-path p{margin:0;max-width:48ch}.sb-learn-empty-actions{margin-top:calc(var(--sb-space) * 2);border:none;background:transparent;padding:0}.sb-learn-modules{display:flex;flex-direction:column;gap:calc(var(--sb-space) * 3)}.sb-learn-module-head{margin-bottom:calc(var(--sb-space) * 1.5)}.sb-learn-module-index{display:inline-block;margin-bottom:6px;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--sb-cyan)}.sb-learn-module-head h2{margin:0 0 6px;font-size:clamp(1.2rem,2.5vw,1.45rem)}.sb-learn-module-head p{margin:0;max-width:60ch}.sb-learn-lessons{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.sb-learn-lesson{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;min-height:64px;padding:14px 16px;border:1px solid var(--sb-border);border-radius:var(--sb-radius);background:var(--sb-bg-elevated);text-decoration:none;color:inherit;transition:border-color .15s ease,background .15s ease}.sb-learn-lesson:hover{border-color:#21bccf73;background:#242426;color:inherit}.sb-learn-lesson-body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1 220px}.sb-learn-lesson-title{font-family:var(--sb-font-display);font-weight:600;font-size:1.02rem;color:var(--sb-text);overflow-wrap:anywhere}.sb-learn-lesson-outcome{font-size:13px;color:var(--sb-text-muted)}.sb-learn-lesson-meta{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--sb-cyan);white-space:nowrap}.sb-learn-article{max-width:760px}.sb-learn-body{margin-top:calc(var(--sb-space) * 1)}.sb-profile-hero{padding:calc(var(--sb-space) * 3) 0;border-bottom:1px solid var(--sb-border);margin-bottom:calc(var(--sb-space) * 3)}.sb-profile-actions{display:flex;flex-wrap:wrap;gap:var(--sb-space);margin-top:calc(var(--sb-space) * 2)}.sb-tabs{display:flex;flex-wrap:wrap;gap:var(--sb-space);border-bottom:1px solid var(--sb-border);margin-bottom:calc(var(--sb-space) * 3)}.sb-tabs button{background:none;border:none;border-bottom:2px solid transparent;padding:calc(var(--sb-space) * 1.5) calc(var(--sb-space) * 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calc(var(--sb-space) * 2.5), env(safe-area-inset-right, 0px));border-top:1px solid var(--sb-border);background:var(--sb-bg-subtle);margin-top:auto;width:100%;max-width:100%;overflow-x:clip}.sb-footer-inner{max-width:var(--sb-max);margin:0 auto;padding:22px var(--sb-footer-pad-x-right) 22px var(--sb-footer-pad-x);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.4fr) minmax(0,1.1fr);align-items:center;column-gap:clamp(16px,3vw,32px);row-gap:16px;width:100%;box-sizing:border-box;min-width:0}.sb-footer-col{min-width:0;max-width:100%}.sb-footer-brand{justify-self:start}.sb-footer-brand .sb-brand{max-width:100%}.sb-footer-brand .sb-brand-wordmark{font-size:1rem}.sb-footer-nav{justify-self:center;width:100%}.sb-footer-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 8px;min-width:0}.sb-footer-links li{min-width:0}.sb-footer-links a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 12px;border-radius:8px;color:var(--sb-text-muted);text-decoration:none;font-size:14px;font-weight:600;line-height:1.3;white-space:nowrap;transition:color .15s ease,background .15s ease}.sb-footer-links a:hover{color:var(--sb-cyan);background:#21bccf14}.sb-footer-meta{justify-self:end;text-align:right}.sb-footer-note{display:inline-flex;align-items:center;justify-content:flex-end;min-height:40px;margin:0;max-width:100%;color:var(--sb-text-soft);font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;text-align:right;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto}.sb-footer-note:hover{color:var(--sb-cyan)}@media(max-width:960px){.sb-footer-inner{grid-template-columns:minmax(0,1fr) 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a:hover{background:#21bccf1a;border-color:#21bccf59}.sb-footer-meta{text-align:left;padding-top:2px;border-top:1px solid var(--sb-border)}.sb-footer-note{display:block;width:100%;min-height:44px;padding-top:12px;text-align:left;justify-content:flex-start;font-size:13px}}@media(max-width:380px){.sb-footer-brand .sb-brand-wordmark{font-size:.95rem}.sb-footer-links{grid-template-columns:1fr}.sb-footer-links li:last-child:nth-child(odd){grid-column:auto}}.sb-avatar{width:48px;height:48px;border-radius:50%;background:var(--sb-bg-subtle);border:1px solid var(--sb-border);object-fit:cover}.sb-avatar-lg{width:72px;height:72px}.sb-list-plain{list-style:none;margin:0;padding:0}.sb-list-plain li{padding:calc(var(--sb-space) * 1.5) 0;border-bottom:1px solid var(--sb-border)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sb-guide-answer{padding:calc(var(--sb-space) * 2);border-left:3px solid var(--sb-cyan);background:var(--sb-bg-subtle);border-radius:0 var(--sb-radius-sm) var(--sb-radius-sm) 0}.sb-form-stack{display:flex;flex-direction:column;gap:calc(var(--sb-space) * 1.5)}.sb-check{display:flex;align-items:flex-start;gap:.6rem;font-size:1rem;line-height:1.45;cursor:pointer}.sb-check input{margin-top:.25rem}.sb-field{display:flex;flex-direction:column;gap:.4rem;font-weight:600}.sb-field select,.sb-field input,.sb-field textarea{font:inherit;font-weight:400;padding:.65rem .75rem;border:1px solid var(--sb-border-strong);border-radius:var(--sb-radius-sm);background:var(--sb-bg-elevated);color:var(--sb-text)}.sb-field select:focus-visible,.sb-field input:focus-visible,.sb-field textarea:focus-visible,.sb-check input:focus-visible{outline:2px solid var(--sb-cyan);outline-offset:2px}.sb-row-between{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.sb-ok{color:var(--sb-ok);font-weight:600}.sb-error{color:var(--sb-danger);font-weight:600}@media(max-width:1099px){.sb-topnav-inner{padding-left:max(14px,env(safe-area-inset-left,0px));padding-right:max(14px,env(safe-area-inset-right,0px))}.sb-hero{min-height:min(72svh,640px)}.sb-hero-image{object-position:35% 40%}.sb-hero-scrim{background:linear-gradient(180deg,#08080a80,#08080a40 35%,#08080af0),linear-gradient(90deg,#08080ad1,#08080a6b 70%,#08080a47)}.sb-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.sb-section-head{align-items:flex-start;flex-direction:column;gap:4px}.sb-section-head a{min-height:36px}.sb-home-discover{grid-template-columns:repeat(2,minmax(0,1fr))}.sb-login-wrap{min-height:auto;align-items:stretch;padding-top:calc(var(--sb-space) * 2);padding-bottom:calc(var(--sb-space) * 4)}.sb-login-panel{margin:calc(var(--sb-space) * 2) auto;max-width:100%}.sb-hero-inner{padding-top:clamp(2.75rem,8vw,4rem);padding-bottom:clamp(2.25rem,6vw,3.25rem)}.sb-hero h1{max-width:100%}.sb-brand-lg .sb-brand-mark{width:48px;height:48px}.sb-brand-lg .sb-brand-wordmark{font-size:clamp(1.35rem,5vw,2rem)}.sb-cta-row{width:100%}}@media(max-width:720px){.sb-hero{min-height:min(68svh,560px);align-items:flex-end}.sb-hero-image{object-position:28% 42%}.sb-hero-scrim{background:linear-gradient(180deg,#08080a73,#08080a33 28%,#08080af5),linear-gradient(90deg,#08080ae0,#08080a8c 55%,#08080a59)}.sb-hero h1{font-size:clamp(1.7rem,7.5vw,2.3rem);max-width:100%}.sb-hero-lede{font-size:15px;max-width:100%;margin-bottom:calc(var(--sb-space) * 2.5)}.sb-cta-row{flex-direction:column;align-items:stretch;width:100%}.sb-cta-row .sb-btn{width:100%}}@media(max-width:640px){.sb-topnav{min-height:60px}.sb-topnav-inner{min-height:60px;gap:8px}.sb-topnav-actions .sb-btn-sm{padding:8px 12px;min-height:40px}.sb-topnav-left .sb-brand-wordmark{font-size:.98rem}.sb-hero{min-height:min(62svh,480px)}.sb-hero-inner{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-bottom:max(1.75rem,env(safe-area-inset-bottom,0px))}.sb-hero-brand{margin-bottom:calc(var(--sb-space) * 2);gap:.65rem}.sb-brand-lg .sb-brand-mark{width:40px;height:40px}.sb-brand-lg .sb-brand-wordmark{font-size:clamp(1.2rem,6vw,1.55rem)}.sb-card-grid,.sb-home-discover,.sb-home-panels{grid-template-columns:1fr}.sb-container{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.sb-search{flex-direction:column}.sb-search-field,.sb-search .sb-btn{width:100%}.sb-explore-controls{top:calc(var(--sb-nav-h) + env(safe-area-inset-top,0px) - 4px);margin-left:-4px;margin-right:-4px;padding-left:4px;padding-right:4px}.sb-explore-result{grid-template-columns:auto minmax(0,1fr) auto;gap:10px 12px;min-height:68px;padding:12px}.sb-explore-type{display:none}.sb-explore-avatar{width:40px;height:40px;font-size:12px}.sb-filter-chip{min-height:44px;padding:10px 14px}.sb-learn-grid{grid-template-columns:1fr}.sb-learn-lesson{align-items:flex-start}.sb-learn-lesson-meta,.sb-profile-actions{width:100%}.sb-profile-actions .sb-btn,.sb-fixture-row .sb-btn{min-height:44px}.sb-fixture-row{width:100%}.sb-fixture-row .sb-btn{flex:1 1 auto}.sb-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;width:100%}.sb-tabs::-webkit-scrollbar{display:none}.sb-tabs button{white-space:nowrap;min-height:44px}.sb-row-between{flex-direction:column;align-items:stretch}.sb-mobile-nav a{font-size:10px;min-height:52px}}@media(max-width:380px){.sb-topnav-actions .sb-btn-primary{padding-inline:10px;font-size:12px}.sb-topnav-left .sb-brand-wordmark{font-size:.9rem}}