@font-face{unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF;font-family:manropeGreek;src:url(../media/manrope_greek_wght_normal.p.37b2k1x9f-55d.woff2)format("woff2");font-display:swap;font-weight:200 800;font-style:normal}.y4jLhG_className{font-family:manropeGreek;font-style:normal}
@font-face{unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;font-family:manropeLatin;src:url(../media/manrope_latin_wght_normal-s.p.1p_a2k8qd5zhp.woff2)format("woff2");font-display:swap;font-weight:200 800;font-style:normal}@font-face{font-family:manropeLatin Fallback;src:local(Arial);ascent-override:106.45%;descent-override:29.96%;line-gap-override:0.0%;size-adjust:100.14%}.tIdNWq_className{font-family:manropeLatin,manropeLatin Fallback,system-ui,-apple-system,Segoe UI,sans-serif;font-style:normal}
:root{--bg:#f3f4f7;--surface:#fff;--surface-2:#f7f8fa;--surface-3:#eef0f4;--ink:#0f1a3a;--text:#3e4865;--muted:#636b8a;--muted-strong:#525a79;--subtle:#a3aabd;--border:#e8eaf0;--border-strong:#d5d9e3;--primary:#0f1a3a;--primary-hover:#1f2c57;--primary-press:#0a1229;--primary-soft:#edf0f7;--primary-soft-2:#dee3f0;--primary-ink:#0f1a3a;--accent:#ff6a55;--accent-soft:#ffede8;--accent-ink:#c2412e;--focus:#2f6bff;--success:#1db462;--success-soft:#e3f7ec;--success-ink:#0b7a41;--warning:#e89a00;--warning-soft:#fff3df;--warning-ink:#8a5300;--danger:#e5484d;--danger-soft:#fdecec;--danger-ink:#b4232a;--coral:#f2664b;--coral-soft:#ffede8;--coral-ink:#a63a22;--blue:#2f6bff;--blue-soft:#e8eeff;--blue-ink:#1f4fd1;--amber:#e89a00;--amber-soft:#fff3df;--amber-ink:#8a5300;--violet:#7c5cf5;--violet-soft:#f1ecff;--violet-ink:#4e33b8;--cyan:#0ba5c4;--cyan-soft:#e4f6f8;--cyan-ink:#076a80;--outcome-incorrect:#a7b3d9;--outcome-supported:#5468a8;--outcome-independent:#0f1a3a;--chart-grid:#e8eaf0;--radius-sm:10px;--radius:14px;--radius-lg:22px;--radius-xl:28px;--radius-2xl:36px;--shadow-xs:0 1px 2px #0f1a3a0d;--shadow-sm:0 1px 2px #0f1a3a0a, 0 12px 28px -20px #0f1a3a47;--shadow-md:0 2px 6px #0f1a3a0a, 0 24px 50px -32px #0f1a3a61;--shadow-lg:0 4px 12px #0f1a3a0d, 0 40px 80px -40px #0f1a3a73;--ring:0 0 0 4px #2f6bff33;--font:"Manrope Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--ease:cubic-bezier(.2, .8, .2, 1);--spring:cubic-bezier(.34, 1.56, .64, 1);--teal:var(--primary);--sage:var(--surface-3);--ochre:var(--warning-soft);--lavender:var(--violet-soft)}.sage{--tone:var(--coral);--tone-soft:var(--coral-soft);--tone-ink:var(--coral-ink)}.blue{--tone:var(--blue);--tone-soft:var(--blue-soft);--tone-ink:var(--blue-ink)}.ochre{--tone:var(--amber);--tone-soft:var(--amber-soft);--tone-ink:var(--amber-ink)}.lavender{--tone:var(--violet);--tone-soft:var(--violet-soft);--tone-ink:var(--violet-ink)}.clay{--tone:var(--cyan);--tone-soft:var(--cyan-soft);--tone-ink:var(--cyan-ink)}
*,:before,:after{box-sizing:border-box}html{-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font:500 16px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}img,svg,video{max-width:100%;display:block}img{height:auto}button,input,select,textarea{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:0 0;border:0;padding:0}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;-webkit-tap-highlight-color:transparent;text-decoration:none}p,ul,ol{margin:0 0 16px}table{border-collapse:collapse}hr{border:0;border-top:1px solid var(--border);margin:24px 0}::selection{background:var(--primary-soft-2);color:var(--ink)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:8px}h1,h2,h3,h4{color:var(--ink);letter-spacing:-.035em;text-wrap:balance;margin:0 0 16px;font-weight:800;line-height:1.12}h1{letter-spacing:-.045em;font-size:clamp(34px,4vw,56px);line-height:1.04}h2{font-size:clamp(26px,2.6vw,38px)}h3{letter-spacing:-.02em;font-size:19px;line-height:1.25}h4{letter-spacing:-.01em;font-size:15px}small{font-size:13px}strong{color:var(--ink);font-weight:750}:root{--safe-top:env(safe-area-inset-top,0px);--safe-right:env(safe-area-inset-right,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-x:max(var(--safe-left), var(--safe-right))}.container{width:min(1200px, calc(100% - 64px - 2 * var(--safe-x)));margin-inline:auto}.section{padding-block:72px}.article{max-width:780px;padding:56px 0}.article h1{margin-bottom:20px}.article h2{margin-top:40px;font-size:24px}.article ul,.article ol{padding-left:22px}.article li{margin-bottom:8px}.stack{grid-template-columns:minmax(0,1fr);gap:24px;display:grid}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.row.end{justify-content:flex-end}.row.center{justify-content:center}.gap-8{gap:8px}.span-2{grid-column:1/-1}.sticky-panel{position:sticky;top:24px}.divider{background:var(--border);height:1px;margin:24px 0}.eyebrow{letter-spacing:0;text-transform:none;color:var(--accent-ink);align-items:center;gap:8px;margin-bottom:14px;font-size:14px;font-weight:700;display:inline-flex}.muted{color:var(--muted)}.small{font-size:13px}.lead{color:var(--text);font-size:18px;line-height:1.7}.text-link{color:var(--ink);transition:color .15s, gap .15s var(--ease);align-items:center;gap:6px;font-weight:700;display:inline-flex}.text-link:hover{text-underline-offset:4px;gap:9px;text-decoration:underline;text-decoration-thickness:1.5px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--surface);color:var(--ink);box-shadow:var(--shadow-md);border-radius:999px;padding:12px 18px;font-weight:700;position:fixed;top:-80px;left:16px}.skip-link:focus{top:calc(12px + var(--safe-top));left:calc(16px + var(--safe-left))}.wordmark{letter-spacing:-.035em;white-space:nowrap;color:var(--ink);align-items:center;font-size:21px;font-weight:800;line-height:1;display:inline-flex}.wordmark:before{content:"";background:radial-gradient(circle at 50% 50%, var(--accent) 0 5px, transparent 5.5px), var(--ink);border-radius:10px;flex:none;width:30px;height:30px;margin-right:10px}.wordmark span{color:var(--ink)}.brand-dot{background:var(--accent);border-radius:50%;width:8px;height:8px;display:inline-block}.button{text-align:center;white-space:nowrap;min-height:46px;transition:background-color .15s var(--ease), color .15s var(--ease), box-shadow .15s var(--ease), transform .12s var(--ease);border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:11px 22px;font-size:15px;font-weight:700;line-height:1.3;display:inline-flex}.button:active:not(:disabled){transform:scale(.98)}.button.primary{background:var(--primary);color:#fff}.button.primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 10px 24px -12px #0f1a3a8c}.button.secondary{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--border-strong)}.button.secondary:hover:not(:disabled){background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--subtle)}.button.ghost{color:var(--ink);background:0 0;padding-inline:14px}.button.ghost:hover:not(:disabled){background:var(--surface-3)}.button.danger{color:#fff;background:#d02f36}.button.danger:hover:not(:disabled){background:var(--danger-ink)}.button.coral{color:#fff;background:#d6402b}.button.coral:hover:not(:disabled){background:var(--accent-ink)}.button.wide{width:100%}.icon-button{background:var(--surface);width:44px;min-width:44px;height:44px;color:var(--ink);box-shadow:inset 0 0 0 1px var(--border);border:0;border-radius:14px;justify-content:center;align-items:center;transition:background-color .15s,box-shadow .15s;display:inline-flex}.icon-button:hover:not(:disabled){background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--border-strong)}.spin{animation:1s linear infinite spin}.field{color:var(--ink);align-content:start;gap:8px;font-size:14px;display:grid}.field>span:first-child{font-weight:700}.field small{color:var(--muted);font-size:13px;font-weight:500}input,select,textarea{border-radius:var(--radius);background:var(--bg);width:100%;min-width:0;min-height:48px;color:var(--ink);border:1.5px solid #0000;padding:11px 16px;font-weight:600;transition:border-color .15s,box-shadow .15s,background-color .15s}input:hover,select:hover,textarea:hover{border-color:var(--border-strong)}input:focus,select:focus,textarea:focus{background-color:var(--surface);border-color:var(--focus);box-shadow:var(--ring);outline:none}input::placeholder,textarea::placeholder{color:var(--subtle);font-weight:500}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%230F1A3A' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 8 5 5 5-5'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:44px}textarea{resize:vertical;min-height:120px;line-height:1.55}input[type=checkbox],input[type=radio]{width:20px;height:20px;min-height:20px;box-shadow:none;accent-color:var(--primary);background:0 0;border:0;padding:0}.checkbox{cursor:pointer;min-height:44px;color:var(--ink);align-items:center;gap:12px;font-size:15px;font-weight:600;display:flex}.checkbox input{flex:none}.form-stack{grid-template-columns:minmax(0,1fr);gap:18px;display:grid}.form-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.password-field{position:relative}.password-field input{padding-right:56px}.password-field .icon-button{box-shadow:none;background:0 0;width:44px;min-width:44px;height:44px;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.panel{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);border:0;padding:28px}.panel-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.panel-heading h2{margin:0;font-size:21px}.panel-title{font-size:21px}.notice{border-radius:var(--radius);background:var(--warning-soft);color:var(--warning-ink);border:0;padding:14px 18px;font-size:14px;font-weight:600}.notice.sage{background:var(--primary-soft);color:var(--ink)}.notice.coral{background:var(--accent-soft);color:var(--accent-ink)}.error-panel{background:var(--danger-soft);color:var(--danger-ink);border-radius:var(--radius-lg);text-align:left;border:0;gap:12px;margin:16px 0;padding:16px 18px;display:flex}.error-panel svg{flex:none;margin-top:2px}.error-panel strong{color:var(--danger-ink)}.error-panel p{margin:4px 0 10px;font-size:14px}.error-panel p:last-child{margin-bottom:0}.empty{border-radius:var(--radius-xl);text-align:center;background:var(--surface);box-shadow:var(--shadow-sm);border:0;flex-direction:column;align-items:center;padding:56px 28px;display:flex}.empty>svg{color:var(--subtle);margin-bottom:16px}.empty h1,.empty h2,.empty h3{margin-bottom:8px}.empty p{max-width:440px}.empty .button{margin-top:8px}.panel .empty{box-shadow:none;background:0 0;padding-block:36px}.badge{white-space:nowrap;color:var(--tone-ink,var(--text));background:var(--tone-soft,var(--surface-3));border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:700;line-height:1.5;display:inline-flex}.badge.neutral{--tone-soft:var(--surface-3);--tone-ink:var(--muted)}.badge.success{--tone-soft:var(--success-soft);--tone-ink:var(--success-ink)}.badge.warning{--tone-soft:var(--warning-soft);--tone-ink:var(--warning-ink)}.badge.coral{--tone-soft:var(--accent-soft);--tone-ink:var(--accent-ink)}.badge.danger{--tone-soft:var(--danger-soft);--tone-ink:var(--danger-ink)}.avatar{background:var(--primary-soft);color:var(--ink);border-radius:14px;place-items:center;width:44px;min-width:44px;height:44px;font-size:17px;font-weight:800;display:grid}.heading{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px;display:flex}.heading h1{margin-bottom:8px;font-size:clamp(30px,3vw,40px)}.heading .muted{max-width:640px;margin:0}.section-top{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px;display:flex}.section-top h2{margin-bottom:0}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0;font-size:13px;font-weight:600;display:flex}.crumbs a:hover{color:var(--ink)}.tabs{background:#0f1a3a0e;border-radius:999px;flex-wrap:wrap;gap:4px;width:fit-content;max-width:100%;margin-bottom:24px;padding:5px;display:flex}.tabs button,.tabs a{color:var(--muted-strong);border-radius:999px;align-items:center;gap:6px;min-height:44px;padding:8px 18px;font-size:14px;font-weight:700;transition:background-color .15s,color .15s,box-shadow .15s;display:inline-flex}.tabs button:hover,.tabs a:hover{color:var(--ink)}.tabs .active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.table-wrap{overflow-x:auto}.data-table{width:100%;font-size:14px}.data-table th{text-align:left;color:var(--muted);border-bottom:1px solid var(--border);white-space:nowrap;padding:12px 16px;font-size:13px;font-weight:700}.data-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:16px}.data-table tr:last-child td{border-bottom:0}.save-state{color:var(--muted);align-items:center;gap:6px;font-size:12px;font-weight:700;display:inline-flex}.save-state.saved{color:var(--success-ink)}.save-state.error,.save-state.dirty{color:var(--warning-ink)}.field-pending{border-radius:var(--radius);background:linear-gradient(90deg, var(--surface-3) 0%, #fff 50%, var(--surface-3) 100%);background-size:200% 100%;height:74px;animation:1.4s linear infinite shimmer}.field-pending.button-pending{border-radius:999px;height:46px}.skeletons{grid-template-columns:repeat(3,1fr);gap:20px;padding:24px 0;display:grid}.skeletons div{border-radius:var(--radius-xl);background:linear-gradient(90deg, var(--surface-3) 0%, #fff 50%, var(--surface-3) 100%);background-size:200% 100%;height:220px;animation:1.4s linear infinite shimmer}.dialog-overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:80;animation:fade-in .15s var(--ease);background:#0f1a3a66;position:fixed;inset:0}.dialog-content{z-index:81;width:min(560px, calc(100% - 32px - 2 * var(--safe-x)));max-height:calc(90dvh - var(--safe-top) - var(--safe-bottom));background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);animation:dialog-in .22s var(--spring);padding:32px;position:fixed;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%)}.dialog-content h2{margin-bottom:6px;padding-right:40px;font-size:24px}.dialog-content>p{color:var(--muted);margin-bottom:22px;font-size:14px}.dialog-close{position:absolute;top:16px;right:16px}.install-steps{gap:14px;margin:0 0 24px;padding:0;list-style:none;display:grid}.install-steps li{border-radius:var(--radius);background:var(--surface-2);color:var(--text);grid-template-columns:28px minmax(0,1fr);align-items:center;gap:14px;margin:0;padding:14px 18px 14px 16px;line-height:1.5;display:grid}.install-steps svg{color:var(--ink);justify-self:center}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fade-in{0%{opacity:0}}@keyframes dialog-in{0%{opacity:0;transform:translate(-50%,-47%)scale(.97)}}@media (max-width:900px){.skeletons{grid-template-columns:1fr 1fr}}@media (max-width:650px){.container{width:calc(100% - 32px - 2 * var(--safe-x))}.section{padding-block:48px}.form-grid,.skeletons{grid-template-columns:1fr}.heading{flex-direction:column;align-items:stretch;gap:16px}.heading .button{width:100%}.section-top{flex-direction:column;align-items:flex-start;gap:12px}.panel{border-radius:var(--radius-lg);padding:22px}.dialog-content{border-radius:var(--radius-lg);padding:24px}.tabs{scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.tabs button,.tabs a{white-space:nowrap}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{body{background:#fff}.no-print,.site-header,.site-footer,.sidebar,.workspace-topbar,.mobile-workspace-nav{display:none!important}.panel{box-shadow:none;break-inside:avoid;border:1px solid #ddd}}.pack-cover{border-radius:var(--radius-lg);background:var(--tone-soft);height:220px;color:var(--ink);position:relative;overflow:hidden}.pack-cover.large{border-radius:var(--radius-xl);height:340px}.cover-glyph{letter-spacing:-.05em;color:var(--ink);font-size:76px;font-weight:800;line-height:1;position:absolute;bottom:14px;left:24px}.cover-glyph.long{font-size:54px}.pack-cover.large .cover-glyph{font-size:112px;bottom:26px;left:36px}.pack-cover.large .cover-glyph.long{font-size:80px}.cover-art{object-fit:contain;width:118px;height:118px;transition:transform .35s var(--spring);position:absolute;top:22px;right:18px}.pack-cover.large .cover-art{width:190px;height:190px;top:36px;right:32px}.cover-icon{color:var(--tone);transition:transform .35s var(--spring);position:absolute;top:24px;right:22px}.cover-dots{gap:8px;display:flex;position:absolute;bottom:100px;left:30px}.cover-dots i{background:var(--tone);border-radius:50%;width:14px;height:14px}.pack-cover.large .cover-dots{bottom:150px;left:42px}.form-trap{width:1px;height:1px;position:absolute;top:auto;left:-10000px;overflow:hidden}
body:has(.site-header){background:var(--bg)}.site-header~main .badge{white-space:normal;max-width:100%}.site-header{z-index:40;padding-top:var(--safe-top);-webkit-backdrop-filter:saturate(160%)blur(14px);backdrop-filter:saturate(160%)blur(14px);background:#f3f4f7db;position:sticky;top:0}@supports (animation-timeline:scroll()){.site-header{animation:linear both header-lift;animation-timeline:scroll(root);animation-range:0 120px}@keyframes header-lift{to{box-shadow:0 1px #0f1a3a0d,0 18px 30px -28px #0f1a3a66}}}.nav-row{align-items:center;gap:8px;height:88px;display:flex}.nav-row>.wordmark{flex:none;min-height:44px;margin-right:28px;font-size:22px}.nav-links{flex:1;align-items:center;gap:4px;min-width:0;display:flex}.nav-links a{min-height:40px;color:var(--text);white-space:nowrap;transition:color .15s var(--ease), background-color .15s var(--ease), box-shadow .15s var(--ease);border-radius:999px;align-items:center;padding:0 15px;font-size:15px;font-weight:600;display:inline-flex}.nav-links a:hover{color:var(--ink);background:#fff9}.nav-links a[aria-current=page]{color:var(--ink);background:var(--surface);box-shadow:var(--shadow-xs)}.nav-actions{flex:none;align-items:center;gap:6px;margin-left:auto;display:flex}.nav-actions .button{min-height:50px;padding:0 24px;font-size:15px}.login-link{min-height:44px;color:var(--ink);transition:background-color .15s var(--ease);border-radius:999px;align-items:center;padding:0 16px;font-size:15px;font-weight:600;display:inline-flex}.login-link:hover{background:#ffffffb3}.mobile-menu{display:none}.nav-actions .mobile-menu{box-shadow:var(--shadow-xs);border-radius:999px}.mobile-nav{gap:4px;margin-top:4px;display:grid}.mobile-nav a{background:var(--surface-2);min-height:54px;color:var(--ink);transition:background-color .15s var(--ease);border-radius:18px;justify-content:space-between;align-items:center;gap:12px;padding:0 18px;font-size:17px;font-weight:700;display:flex}.mobile-nav a svg{color:var(--subtle);transition:transform .15s var(--ease), color .15s var(--ease)}.mobile-nav a:hover{background:var(--surface-3)}.mobile-nav a[aria-current=page]{background:var(--primary-soft)}.mobile-nav a:hover svg{color:var(--ink);transform:translate(2px)}.site-footer{padding:0 0 calc(36px + var(--safe-bottom));margin-top:112px}.footer-grid{border-top:1px solid var(--border-strong);grid-template-columns:minmax(0,1.4fr) repeat(4,minmax(0,1fr));gap:40px;padding-top:48px;display:grid}.footer-brand .wordmark{min-height:44px}.footer-brand p{max-width:300px;color:var(--muted);margin:14px 0 0;font-size:14px;line-height:1.65}.footer-grid .footer-title{color:var(--ink);margin-bottom:10px;font-size:14px;font-weight:800}.footer-grid nav{flex-direction:column;align-items:flex-start;display:flex}.footer-grid nav a{min-height:34px;color:var(--muted);transition:color .15s var(--ease);align-items:center;font-size:14px;font-weight:600;display:inline-flex}.footer-grid nav a:hover{color:var(--ink)}.footer-bottom{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:48px;font-size:13px;font-weight:600;display:flex}.section-head{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px;display:flex}.section-head h2{margin:0}.section-head .text-link{flex:none;padding-bottom:6px}.icon-lines{gap:4px;margin:0;padding:0;list-style:none;display:grid}.icon-lines li{min-height:48px;color:var(--ink);align-items:center;gap:14px;font-size:15px;font-weight:700;line-height:1.4;display:flex}.icon-lines li>svg{color:var(--ink);flex:none}.icon-lines.compact li{min-height:40px;color:var(--text);gap:12px;font-size:14px;font-weight:650}.icon-lines.compact li>svg{color:var(--muted)}.illustration-group{align-items:flex-end;display:inline-flex}.illustration-group img{flex:none;width:56px;height:56px}.illustration-group img+img{margin-left:-14px}.search-box{background:var(--surface);min-width:0;min-height:56px;box-shadow:var(--shadow-sm);transition:box-shadow .15s var(--ease);border-radius:999px;align-items:center;gap:10px;padding:0 6px 0 20px;display:flex}.search-box:focus-within{box-shadow:var(--shadow-sm), 0 0 0 3px var(--focus)}.search-box>svg{color:var(--ink);flex:none}.search-box input{min-width:0;min-height:44px;box-shadow:none;background:0 0;border:0;border-radius:0;flex:1;padding:0;font-size:16px}.search-box input:hover{border:0}.search-box input:focus{box-shadow:none;background:0 0}.search-box input:focus-visible{outline:none}.search-submit{background:var(--primary);color:#fff;width:44px;height:44px;transition:background-color .15s var(--ease), transform .15s var(--ease);border-radius:50%;flex:none;place-items:center;display:inline-grid}.search-submit:hover{background:var(--primary-hover)}.search-submit:active{transform:scale(.95)}.faq-list>.search-box{background:var(--surface)}.home-hero{border-radius:var(--radius-2xl);background:var(--surface);grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:40px;margin-top:4px;padding:64px;display:grid;box-shadow:0 30px 60px -40px #0f1a3a40}.hero-copy{min-width:0}.home-hero .eyebrow{color:var(--accent-ink);margin-bottom:22px}.home-hero .eyebrow svg{color:var(--accent)}.home-hero h1{letter-spacing:-.045em;max-width:560px;margin-bottom:22px;font-size:clamp(40px,5vw,64px);line-height:1.03}.hero-lead{max-width:480px;color:var(--text);margin-bottom:32px;font-size:18px;line-height:1.6}.hero-search{background:var(--bg);max-width:520px;min-height:64px;transition:box-shadow .15s var(--ease), background-color .15s var(--ease);border-radius:999px;align-items:center;gap:12px;padding:7px 7px 7px 22px;display:flex}.hero-search:focus-within{background:var(--surface);box-shadow:inset 0 0 0 2px var(--focus), var(--shadow-sm)}.hero-search>svg{color:var(--ink);flex:none}.hero-search input{min-width:0;min-height:48px;box-shadow:none;background:0 0;border:0;border-radius:0;flex:1;padding:0;font-size:16px;font-weight:600}.hero-search input:hover{border:0}.hero-search input:focus{box-shadow:none;background:0 0}.hero-search input:focus-visible{outline:none}.hero-search input::placeholder{color:var(--muted)}.hero-search .button{flex:none;min-height:50px;padding:0 24px}.hero-search .button svg{display:none}.hero-suggest{flex-wrap:wrap;align-items:center;gap:6px;max-width:520px;margin:16px 0 0;padding-left:8px;font-size:13.5px;display:flex}.hero-suggest>span{color:var(--muted);margin-right:4px;font-weight:600}.hero-suggest a{background:var(--surface-2);min-height:32px;color:var(--ink);transition:background-color .15s var(--ease);border-radius:999px;align-items:center;padding:0 12px;font-weight:700;display:inline-flex}.hero-suggest a:hover{background:var(--surface-3)}.learning-shapes{aspect-ratio:520/440;isolation:isolate;width:100%;min-width:0;position:relative}.shapes-panel{z-index:-1;border-radius:var(--radius-2xl);background:var(--blue-soft);position:absolute;inset:4.5% 5.8% 6.8% 11.5%}.shapes-panel:before,.shapes-panel:after{content:"";border-radius:50%;position:absolute}.shapes-panel:before{background:var(--accent);opacity:.8;width:9px;height:9px;top:12%;left:10%}.shapes-panel:after{background:var(--blue);opacity:.18;width:14px;height:14px;bottom:30%;right:9%}.learning-shapes .shape{aspect-ratio:1;will-change:transform;height:auto;animation:7s ease-in-out infinite alternate shape-float;position:absolute}.learning-shapes .shape:nth-of-type(2n){animation-duration:8.5s;animation-direction:alternate-reverse}.shape-chip{background:var(--surface);color:var(--ink);white-space:nowrap;animation:chip-in .7s var(--spring) both, chip-float 6s ease-in-out 1s infinite alternate;border-radius:24px;align-items:center;gap:12px;padding:15px 20px 15px 16px;font-size:15px;font-weight:700;line-height:1.2;display:inline-flex;position:absolute;box-shadow:0 24px 50px -24px #0f1a3a59,0 2px 6px #0f1a3a0a}.shape-chip svg{flex:none}.chip-stars{animation-delay:.25s,1s;top:57%;left:0}.chip-stars svg{color:var(--warning)}.chip-found{animation-delay:.5s,2.5s;top:80%;right:0}.chip-found svg{color:var(--success)}@keyframes shape-float{0%{transform:translateY(0)rotate(0)}to{transform:translateY(-9px)rotate(-1.5deg)}}@keyframes chip-float{0%{translate:0}to{translate:0 -5px}}@keyframes chip-in{0%{opacity:0;transform:translateY(10px)scale(.94)}}.learning-shapes.compact{aspect-ratio:520/320;margin-top:auto}.learning-shapes.compact .chip-found{inset:auto auto 0 30%}.subject-row{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-top:20px;display:grid}.subject-card{border-radius:var(--radius-xl);background:var(--surface);min-width:0;transition:transform .2s var(--ease), box-shadow .2s var(--ease);flex-direction:column;align-items:flex-start;padding:24px 22px 22px;display:flex;box-shadow:0 20px 40px -34px #0f1a3a4d}.subject-card>svg{color:var(--tone);transition:transform .3s var(--spring)}.subject-card h3{letter-spacing:-.02em;margin:18px 0 4px;font-size:18px;line-height:1.25}.subject-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.45}.subject-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.subject-card:hover>svg{transform:scale(1.06)rotate(-3deg)}.subject-card:focus-visible{border-radius:var(--radius-xl)}.home-section{margin-top:80px}.home h2{letter-spacing:-.04em;font-size:clamp(28px,3.2vw,38px)}.featured-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.featured-grid>:nth-child(n+4){display:none}.calm-section{grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);align-items:center;gap:48px;display:grid}.calm-copy{min-width:0}.calm-copy h2{margin-bottom:16px;font-size:clamp(30px,3.3vw,40px);line-height:1.06}.calm-copy>p{max-width:420px;color:var(--text);margin-bottom:22px;font-size:17px}.calm-copy .icon-lines{margin-bottom:28px}.calm-screen{min-width:0}.progress-section{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:64px;display:grid}.progress-copy{min-width:0}.progress-copy h2{margin-bottom:16px}.progress-copy .lead{max-width:460px;margin-bottom:28px;font-size:17px}.session-card{border-radius:var(--radius-2xl);background:var(--surface);min-width:0;box-shadow:var(--shadow-lg);padding:32px}.session-card h3{letter-spacing:-.03em;margin:18px 0 4px;font-size:24px}.session-meta{color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:22px;font-size:14px;font-weight:600}.response-dots{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.response-dots span{border-radius:50%;width:30px;height:30px}.response-dots .independent,.response-bar .independent{background:var(--outcome-independent)}.response-dots .supported,.response-bar .supported{background:var(--outcome-supported)}.response-dots .incorrect,.response-bar .incorrect{background:var(--outcome-incorrect)}.response-dots .skipped,.response-bar .skipped{background:var(--surface-3)}.response-bar{background:var(--surface-3);border-radius:999px;gap:3px;height:12px;margin-bottom:14px;display:flex;overflow:hidden}.session-legend{color:var(--text);flex-wrap:wrap;gap:6px 20px;margin-bottom:20px;font-size:14px;display:flex}.session-legend span{align-items:center;gap:8px;display:inline-flex}.session-legend span:before{content:"";background:var(--outcome-independent);border-radius:50%;width:10px;height:10px}.session-legend .supported:before{background:var(--outcome-supported)}.session-note{background:var(--surface-2);color:var(--text);border-radius:18px;margin:0 0 14px;padding:14px 16px;font-size:14px}.mini-cover{border-radius:15px;flex:none;width:60px;height:55px;position:relative;overflow:hidden}.mini-cover .pack-cover{transform-origin:0 0;border-radius:0;width:252px;height:231px;position:absolute;top:0;left:0;transform:scale(.238)}.home-plans{border-radius:var(--radius-2xl);background:var(--surface);box-shadow:var(--shadow-sm);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px 40px;padding:36px 44px;display:grid}.home-plans h2{margin:0 0 8px;font-size:clamp(24px,2.6vw,32px)}.home-plans p{max-width:620px;color:var(--muted);margin:0;font-size:16px}.home-plans p strong{color:var(--ink);white-space:nowrap;font-weight:800}.home-plans .row{flex-wrap:nowrap;gap:10px}@media (max-width:860px){.home-plans{border-radius:30px;grid-template-columns:minmax(0,1fr);padding:28px 24px}.home-plans .row{flex-wrap:wrap}.home-plans .button{flex:200px}}.faq-list{max-width:820px}.home-faq{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);align-items:start;gap:24px 64px;display:grid}.faq-intro{justify-items:start;gap:12px;display:grid}.faq-intro h2{margin:0}.home-faq .faq-list{max-width:none}.faq-list details{background:var(--surface);transition:box-shadow .2s var(--ease);border-radius:22px;margin-bottom:10px;box-shadow:0 16px 34px -30px #0f1a3a59}.faq-list details[open]{box-shadow:var(--shadow-sm)}.faq-list summary{cursor:pointer;min-height:64px;color:var(--ink);border-radius:22px;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px 14px 24px;font-size:16px;font-weight:700;line-height:1.4;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"";width:22px;height:22px;transition:transform .25s var(--ease);background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' fill='none' stroke='%230F1A3A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 5 5 5-5'/%3E%3C/svg%3E") 50%/22px no-repeat;flex:none}.faq-list details[open] summary:after{transform:rotate(180deg)}.faq-list details p{max-width:680px;color:var(--text);margin:-4px 0 0;padding:0 24px 22px;font-size:15px}.faq-list>p{color:var(--muted)}.install-help{margin:48px 0 32px}.article .install-help h2{margin:0 0 12px}.install-help>p:first-of-type{max-width:640px}.install-platforms{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 28px;margin:24px 0;display:grid}.install-platforms h3{margin-bottom:6px;font-size:16px}.install-platforms p{margin:0;font-size:15px;line-height:1.55}.install-help .button{margin-bottom:18px}.install-help>.small{margin:0}.pack-card{background:var(--surface);min-width:0;transition:transform .22s var(--ease), box-shadow .22s var(--ease);border-radius:30px;flex-direction:column;padding:12px;display:flex;position:relative;box-shadow:0 24px 50px -36px #0f1a3a59}.pack-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.pack-card:has(.pack-card-link:focus-visible){outline:3px solid var(--focus);outline-offset:3px}.pack-card-visual{position:relative}.pack-card-visual>a{border-radius:var(--radius-lg);display:block}.pack-card:hover .cover-art,.pack-card:hover .cover-icon{transform:scale(1.04)}.pack-cover-category{z-index:2;background:var(--surface);max-width:calc(100% - 32px);color:var(--ink);pointer-events:none;border-radius:999px;align-items:center;gap:6px;padding:5px 12px 5px 8px;font-size:13px;font-weight:700;line-height:1.35;display:inline-flex;position:absolute;top:16px;left:16px}.pack-cover-category svg{color:var(--tone);flex:none}.favorite-button{z-index:3;width:40px;min-width:40px;height:40px;box-shadow:none;color:var(--muted);background:#ffffffeb;border-radius:50%;position:absolute;bottom:12px;right:12px}.favorite-button:hover:not(:disabled){background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink)}.favorite-button.active,.favorite-button.active:hover:not(:disabled){color:var(--warning)}.pack-card-body{flex-direction:column;flex:1;padding:18px 12px 10px;display:flex}.pack-card h3{letter-spacing:-.02em;margin:0 0 6px;font-size:20px;line-height:1.25}.pack-card-link:after{content:"";z-index:1;border-radius:inherit;position:absolute;inset:0}.pack-card-link:focus-visible{outline:none}.pack-card .objective{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-bottom:6px;font-size:14px;line-height:1.55;display:-webkit-box;overflow:hidden}.pack-meta{color:var(--muted);margin-bottom:10px;font-size:13px;font-weight:600}.pack-bottom{justify-content:space-between;align-items:center;gap:10px;margin-top:auto;display:flex}.pack-go{background:var(--surface-3);width:36px;height:36px;color:var(--ink);transition:background-color .2s var(--ease), color .2s var(--ease), transform .25s var(--spring);border-radius:999px;flex:none;place-items:center;display:grid}.pack-card:hover .pack-go{background:var(--ink);color:#fff;transform:translate(3px)}.pack-card-facts{min-width:0;color:var(--muted);flex-wrap:wrap;gap:4px 14px;margin-bottom:16px;font-size:13px;font-weight:600;display:flex}.pack-card-facts span{white-space:nowrap;align-items:center;gap:5px;display:inline-flex}.pack-card-facts svg{color:var(--muted);flex:none}.pack-price{letter-spacing:-.01em;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap;flex:none;font-size:18px;font-weight:800}.pack-card .error-panel{z-index:2;position:relative}.catalog-intro{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;padding:40px 0 36px;display:grid}.catalog-intro>div{min-width:0;max-width:760px}.catalog-intro h1{margin-bottom:14px;font-size:clamp(32px,4vw,52px)}.catalog-intro p{max-width:620px;color:var(--text);margin:0;font-size:17px}.catalog-intro .illustration-group img{width:92px;height:92px}.catalog-intro .illustration-group img+img{margin-left:-22px}.catalog-intro .illustration-group img:nth-child(2){transform:translateY(-16px)}.goal-links{flex-wrap:wrap;gap:8px;margin-top:22px;display:flex}.goal-links a{background:var(--surface);min-height:40px;box-shadow:var(--shadow-xs);color:var(--ink);transition:box-shadow .15s var(--ease), transform .15s var(--ease);border-radius:999px;align-items:center;padding:0 16px;font-size:14px;font-weight:700;display:inline-flex}.goal-links a:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.area-intro{border-radius:var(--radius-2xl);background:var(--tone-soft,var(--surface));align-items:center;margin-top:4px;margin-bottom:36px;padding:48px 56px}.area-intro .area-mark{color:var(--tone);margin-bottom:18px;display:block}.area-intro .illustration-group img{width:104px;height:104px}.catalog-layout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:28px;display:grid}.catalog-layout>*{min-width:0}.catalog-filters{top:calc(104px + var(--safe-top));max-height:calc(100dvh - 120px - var(--safe-top));overscroll-behavior:contain;border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-sm);scrollbar-width:thin;padding:22px 20px 12px;position:sticky;overflow-y:auto}.filters-head{justify-content:space-between;align-items:center;gap:12px;padding-bottom:6px;display:flex}.filters-head .filters-title{letter-spacing:-.01em;margin:0;font-size:17px;font-weight:800}.filters-head .button{min-height:36px;color:var(--muted);padding:6px 12px;font-size:13.5px}.filter-group{padding:16px 0}.filter-group+.filter-group{border-top:1px solid var(--border)}fieldset.filter-group{border:0;min-width:0;margin:0}.filter-group legend,.filter-label{letter-spacing:0;color:var(--ink);margin:0 0 8px;padding:0;font-size:13.5px;font-weight:800;display:block}.filter-group .checkbox{min-height:40px;color:var(--text);transition:background-color .15s var(--ease), color .15s var(--ease);border-radius:999px;gap:10px;margin:0 -10px;padding:8px 12px;font-size:14.5px;font-weight:600;line-height:1.35}.filter-group .checkbox:hover{background:var(--surface-2);color:var(--ink)}.filter-group .checkbox:has(input:checked){background:var(--surface-3);color:var(--ink);font-weight:700}.filter-group input[type=radio],.filter-group input[type=checkbox]{appearance:none;border:1.5px solid var(--border-strong);background:var(--surface);cursor:pointer;width:18px;height:18px;min-height:18px;transition:border-color .15s var(--ease), border-width .15s var(--ease), background-color .15s var(--ease);border-radius:50%;flex:none;margin:0}.filter-group input[type=checkbox]{border-radius:6px}.filter-group input:hover:not(:checked):not(:disabled){border-color:var(--subtle)}.filter-group input[type=radio]:checked{border:5.5px solid var(--ink)}.filter-group input[type=checkbox]:checked{border-color:var(--ink);background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat}.filter-group input:focus-visible{outline-offset:2px}.filter-group select{border-radius:999px;min-height:46px;font-size:14.5px}.filters-apply{margin-top:20px}.catalog-controls{align-items:center;gap:12px;margin-bottom:16px;display:flex}.catalog-controls .search-box{flex:1}.catalog-controls>select{background-color:var(--surface);width:auto;min-width:200px;min-height:56px;box-shadow:var(--shadow-sm);border-radius:999px;flex:none;padding-left:22px}.catalog-controls>select:hover{border-color:#0000}.catalog-controls>select:focus{border-color:var(--focus)}.filter-mobile-button{display:none}.catalog-controls>.filter-mobile-button{min-height:56px;box-shadow:var(--shadow-sm)}.filter-chips{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.filter-chips:empty{display:none}.filter-chip{background:var(--ink);color:#fff;min-height:34px;transition:background-color .15s var(--ease);border-radius:999px;align-items:center;gap:6px;padding:0 12px 0 14px;font-size:13px;font-weight:700;display:inline-flex}.filter-chip:hover{background:var(--primary-hover)}.filter-chip svg{opacity:.7}.results-line{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 16px;margin:0 4px 16px;font-size:14px;font-weight:600;display:flex}.results-line strong{font-variant-numeric:tabular-nums}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.related-title{margin:72px 0 24px}.crumbs{margin:8px 0 20px}.crumbs svg{color:var(--subtle);flex:none}.crumbs ol{flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;display:flex}.crumbs li{align-items:center;gap:8px;min-width:0;display:inline-flex}.crumbs [aria-current=page]{color:var(--ink);font-weight:700}.crumbs a{align-items:center;min-height:32px;display:inline-flex}.detail-hero{border-radius:var(--radius-2xl);background:var(--surface);grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:stretch;gap:48px;padding:14px;display:grid;box-shadow:0 30px 60px -40px #0f1a3a40}.detail-visual{min-width:0}.detail-visual .pack-cover.large{height:100%;min-height:400px}.detail-visual .pack-cover.large .cover-art{aspect-ratio:1;width:min(58%,260px);height:auto;top:11%;right:9%}.detail-copy{min-width:0;padding:36px 36px 32px 0}.detail-category{color:var(--ink);align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.detail-category svg{color:var(--tone)}.detail-copy h1{margin:14px 0 12px;font-size:clamp(32px,3.6vw,48px)}.detail-copy .lead{color:var(--text);margin-bottom:24px;font-size:17px}.detail-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 20px;display:grid}.detail-meta p{background:var(--surface-2);color:var(--muted);border-radius:18px;grid-template-columns:auto minmax(0,1fr);align-items:center;column-gap:12px;margin:0;padding:14px 16px;font-size:13px;line-height:1.4;display:grid}.detail-meta svg{color:var(--tone);grid-row:span 2}.detail-meta strong{color:var(--ink);font-variant-numeric:tabular-nums;font-size:15.5px;font-weight:800;display:block}.purchase-panel{gap:10px;display:grid}.purchase-panel>.badge{justify-self:start}.purchase-panel .error-panel{margin:0}.purchase-panel .text-link{width:fit-content;font-size:14px}.detail-price{letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums;font-size:34px;font-weight:800;line-height:1.1}.purchase-note{color:var(--muted);margin:0;font-size:13px}.detail-content{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:48px;margin-top:64px;display:grid}.detail-content>*{min-width:0}.detail-content>.stack{gap:64px}.detail-content h2{margin-bottom:16px;font-size:clamp(24px,2.4vw,30px)}.detail-content section>p{max-width:68ch;color:var(--text)}.detail-content section>h3{margin-top:28px;font-size:18px}.detail-content .sticky-panel{top:104px}.detail-content aside h3{margin-bottom:12px;font-size:18px}.detail-content aside .icon-lines{margin-bottom:8px}.detail-content aside .text-link{width:fit-content;margin-top:10px;font-size:14.5px;display:flex}.detail-content aside .divider{margin:16px 0}.detail-content aside .divider+.text-link{margin-top:0}.level-path{grid-template-columns:repeat(var(--levels,3), minmax(0, 1fr));border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-sm);display:grid}.level-path>div{min-width:0;padding:26px 26px 24px}.level-path>div+div{box-shadow:inset 1px 0 0 var(--border)}.level-dots{gap:5px;margin-bottom:14px;display:flex}.level-dots i{background:var(--surface-3);border-radius:50%;width:10px;height:10px}.level-dots i.on{background:var(--tone)}.level-path small{color:var(--muted);margin-bottom:4px;font-size:13px;font-weight:700;display:block}.level-path h3{margin:0 0 6px;font-size:17px}.level-path p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.activity-list{border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-sm);padding:8px 24px;display:grid}.activity-list>div{align-items:center;gap:18px;min-width:0;padding:18px 0;display:flex}.activity-list>div+div{border-top:1px solid var(--border)}.activity-list>div>svg{color:var(--tone);flex:none}.activity-list h3{margin:0 0 2px;font-size:17px}.activity-list p{color:var(--muted);margin:0;font-size:14px}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.level-card{border-radius:var(--radius-lg);background:var(--surface);min-width:0;box-shadow:var(--shadow-sm);padding:22px}.level-card .badge{--tone-soft:var(--surface-3);--tone-ink:var(--ink);font-variant-numeric:tabular-nums}.level-card h3{margin:14px 0 6px;font-size:16px;line-height:1.35}.level-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.activity-tile{border-radius:var(--radius-lg);background:var(--surface);min-width:0;box-shadow:var(--shadow-sm);align-items:center;gap:16px;padding:18px 20px;display:flex}.activity-tile>svg{color:var(--ink);flex:none}.activity-tile>div{flex:1;min-width:0}.activity-tile h3{margin:0 0 4px;font-size:16px}.activity-tile p{color:var(--muted);margin:0;font-size:14px}.pricing-page{padding-top:40px}.pricing-head{text-align:center;max-width:760px;margin:0 auto 36px}.pricing-head h1{margin-bottom:14px;font-size:clamp(34px,4.4vw,56px)}.pricing-head .lead{max-width:560px;margin:0 auto 22px}.pricing-head .notice{border-radius:999px;margin:0;padding:8px 16px;font-size:13px;line-height:1.5;display:inline-block}.pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:22px;display:grid}.price-card{background:var(--surface);min-width:0;box-shadow:var(--shadow-sm);border-radius:30px;flex-direction:column;align-items:flex-start;padding:32px;display:flex}.price-card .badge{--tone-soft:var(--surface-3);--tone-ink:var(--ink)}.price-card.featured .badge{--tone-soft:var(--ink);--tone-ink:#fff}.price-card h2{margin:22px 0 10px;font-size:22px}.price-card .price{letter-spacing:-.045em;color:var(--ink);font-variant-numeric:tabular-nums;font-size:40px;font-weight:800;line-height:1.1}.price-card .price small{letter-spacing:0;color:var(--muted);font-size:15px;font-weight:600}.price-card>.muted{margin:6px 0 22px;font-size:14px;font-weight:600}.price-card ul{width:100%;color:var(--text);flex:1;margin:0 0 26px;padding:0;font-size:15px;list-style:none}.price-card li{margin:0;padding:11px 0}.price-card li+li{border-top:1px solid var(--border)}.price-card .button{width:100%}.price-card .button+.button{margin-top:8px}.price-card.featured{box-shadow:inset 0 0 0 2px var(--ink), var(--shadow-md)}.purchase-strip{background:var(--surface);box-shadow:var(--shadow-sm);border-radius:30px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:32px;margin-top:28px;padding:28px 36px;display:grid}.purchase-strip h2{margin-bottom:6px;font-size:22px}.purchase-strip p{color:var(--muted);margin:0}.auth-layout{width:min(560px,100% - 32px);margin:16px auto 0}.auth-layout>.panel{border-radius:var(--radius-2xl);padding:44px;box-shadow:0 30px 60px -40px #0f1a3a40}.auth-layout h1{margin-bottom:10px;font-size:clamp(30px,3.2vw,40px)}.auth-layout.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:20px;width:min(1200px,100% - 64px);display:grid}.auth-layout.split>.auth-card{padding:56px}.auth-card>.muted{margin-bottom:4px;font-size:16px}.auth-card .form-stack>.text-link{justify-self:start}.auth-switch{border-top:1px solid var(--border);color:var(--muted);margin:28px 0 0;padding-top:20px;font-size:15px}.auth-art{border-radius:var(--radius-2xl);background:var(--tone-soft,var(--blue-soft));flex-direction:column;min-width:0;padding:52px 52px 36px;display:flex;overflow:hidden}.auth-art .eyebrow{color:var(--ink)}.auth-art .eyebrow svg{color:var(--accent)}.auth-art h2{max-width:420px;margin-bottom:22px;font-size:clamp(26px,2.6vw,34px);line-height:1.12}.auth-art .icon-lines{margin-bottom:28px}.auth-art .icon-lines li>svg{color:var(--tone,var(--ink))}.social-auth{margin-top:24px}.google-button{min-height:52px;color:var(--ink)}.google-button:disabled{opacity:.6;background:var(--surface-2)}.auth-divider{color:var(--muted);align-items:center;gap:14px;margin:22px 0;font-size:13px;font-weight:600;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.auth-card .form-stack .button.primary{min-height:52px}.article .notice{margin-block:20px}.article p.muted{color:var(--text)}.article>p,.article section>p{max-width:68ch}.article>.button,.article>.row{margin-top:32px}.article>.panel+.panel,.article>.stack+.panel{margin-top:20px}.article .stack>.panel h3 a{transition:color .15s var(--ease)}.article .stack>.panel .button.ghost{margin:8px 0 0 -12px}.article>.badge+.heading,.article>.badge+h1{margin-top:16px}.article.paper{border-radius:var(--radius-2xl);background:var(--surface);max-width:860px;margin:8px auto 0;padding:64px 72px;box-shadow:0 30px 60px -40px #0f1a3a40}.article.paper h1{font-size:clamp(32px,4vw,48px)}.article.paper h2{margin-top:44px;font-size:24px}.article.paper .lead{color:var(--text)}.paper-chip{color:var(--ink);align-items:center;gap:8px;margin-bottom:18px;font-size:14px;font-weight:700;display:inline-flex}.paper-chip svg{color:var(--tone)}.step-section{grid-template-columns:44px minmax(0,1fr);gap:4px 18px;margin-top:36px;display:grid}.step-section>svg{color:var(--tone);margin-top:2px}.step-section h2{margin:0 0 8px}.article.paper .step-section h2{margin-top:0}.step-section p{margin:0}.step-section+.muted{margin-top:32px}.approach-point{margin-top:22px}.approach-point h3{letter-spacing:-.02em;margin:0 0 6px;font-size:18px}.approach-point p{margin:0}.approach-point+.row{margin-top:36px}.cart-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:16px 0;display:flex}.cart-row:first-child{padding-top:0}.cart-row strong,.cart-row>span:last-child{font-variant-numeric:tabular-nums}.cart-row h3{font-size:17px}.demo-page{padding-top:24px}.demo-head{text-align:center;max-width:720px;margin:0 auto 28px}.demo-head h1{margin-bottom:10px;font-size:clamp(30px,3.6vw,44px)}.demo-head p:last-child{color:var(--text);margin:0}.demo-stage{max-width:960px;margin:0 auto}.demo-page>.row{margin-top:32px}.not-found{border-radius:var(--radius-2xl);background:var(--surface);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:40px;margin-top:8px;padding:64px;display:grid;box-shadow:0 30px 60px -40px #0f1a3a40}.not-found h1{margin-bottom:12px}.not-found .lead{margin-bottom:0}.not-found .row{margin-top:28px}.not-found .illustration-group img{width:120px;height:120px}.not-found .illustration-group img+img{margin-left:-28px}.pack-card .pack-card-title{letter-spacing:-.02em;margin:0 0 6px;font-size:20px;line-height:1.25}.pack-access{flex-direction:column;align-items:flex-start;gap:6px;min-width:0;display:inline-flex}.pack-access .badge{max-width:none}.pack-trial{color:var(--muted);padding-left:2px;font-size:13px;font-weight:700}.pagination{margin-top:24px}.catalog-intro .area-note{color:var(--text);margin-top:12px;font-size:15px}a.detail-category{min-height:36px;transition:color .15s var(--ease)}a.detail-category:hover{text-underline-offset:3px;text-decoration:underline}.access-panel .access-note{color:var(--text);margin:2px 0 4px;font-size:15px}.detail-content aside .aside-title{letter-spacing:-.02em;margin-bottom:12px;font-size:18px}.related-section{margin-top:72px}.related-section .related-title{margin-top:0}.pricing-grid.plans{grid-template-columns:repeat(2,minmax(0,1fr));max-width:820px;margin:0 auto}.pricing-grid.plans .price-card{position:relative}.pricing-grid.plans .price-card h2{margin:0 0 10px;font-size:20px}.pricing-grid.plans .price-card .badge{position:absolute;top:28px;right:28px}.pricing-grid.plans .price{align-items:baseline;gap:2px;font-size:44px;display:flex}.pricing-grid.plans .price small{font-size:17px}.price-detail{color:var(--muted);margin:8px 0 24px;font-size:15px;font-weight:600}.pricing-grid.plans .price-card .button,.pricing-grid.plans .price-soon{margin-top:auto}.pricing-included{background:var(--surface);max-width:820px;box-shadow:var(--shadow-sm);border-radius:30px;margin:22px auto 0;padding:26px 32px}.pricing-included h2{margin:0 0 14px;font-size:17px}.pricing-included ul{color:var(--text);grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 32px;margin:0;padding:0;font-size:15px;list-style:none;display:grid}.pricing-included li{padding-left:18px;position:relative}.pricing-included li:before{content:"";background:var(--ink);opacity:.28;border-radius:50%;width:7px;height:7px;position:absolute;top:.62em;left:0}.pricing-page .purchase-strip{max-width:820px;margin-left:auto;margin-right:auto}.trial-strip .trial-mark{color:var(--accent)}.pricing-faq{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);align-items:start;gap:24px 64px;margin-top:64px;display:grid}.pricing-faq .faq-list{max-width:none}.cart-title{letter-spacing:-.02em;margin:8px 0 0;font-size:19px}.cart-total,.checkout-terms{margin-top:20px}.checkout-submit,.order-title{margin-top:24px}.order-meta{margin-top:20px}.contact-email{margin-top:24px}.legal-title{margin-top:20px}.faq-search{margin-bottom:20px}.not-found-reading{margin-top:40px}.not-found-reading h2{margin-bottom:16px;font-size:22px}.not-found-reading ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.not-found-reading a{border-radius:var(--radius-lg);background:var(--surface);min-height:56px;box-shadow:var(--shadow-xs);color:var(--ink);transition:box-shadow .15s var(--ease);justify-content:space-between;align-items:center;gap:16px;padding:12px 22px;font-weight:700;display:flex}.not-found-reading a:hover{box-shadow:var(--shadow-sm)}.not-found-reading svg{color:var(--muted);flex:none}@media (max-width:1023px){.pricing-faq{grid-template-columns:minmax(0,1fr);gap:20px}}@media (max-width:650px){.pricing-grid.plans{grid-template-columns:minmax(0,1fr)}.pricing-grid.plans .price-card .badge{top:22px;right:20px}.pricing-included{border-radius:26px;padding:22px}.pricing-included ul{grid-template-columns:minmax(0,1fr)}.related-section{margin-top:56px}}@media (max-width:1240px){.nav-row>.wordmark{margin-right:12px}.nav-links{gap:2px}.nav-links a{padding:0 11px;font-size:14.5px}.login-link{padding:0 12px}.nav-actions .button{padding:0 18px}}@media (max-width:1023px){.nav-links{display:none}.mobile-menu{display:inline-flex}}@media (max-width:1023px),(pointer:coarse){.footer-grid nav a,.crumbs a,.filter-group .checkbox,.goal-links a,.hero-suggest a,.paper-chip{min-height:44px}.login-link,.nav-actions .button{min-height:46px}.site-header~main .text-link{min-height:44px}.crumbs a{justify-content:center;min-width:44px}.favorite-button{width:44px;min-width:44px;height:44px;bottom:10px;right:10px}.filter-chip{min-height:44px}.faq-list summary{min-height:60px}}@media (max-width:1180px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-hero{gap:32px;padding:52px}.detail-content{grid-template-columns:minmax(0,1fr) 280px;gap:40px}.subject-card{padding:22px 18px 20px}}@media (max-width:1023px){.home-hero{grid-template-columns:minmax(0,1fr);gap:28px;padding:48px 44px 36px}.home-hero h1{max-width:640px}.home-hero .learning-shapes{width:min(100%,520px);margin:0 auto}.subject-row{grid-template-columns:repeat(6,minmax(0,1fr))}.subject-card{grid-column:span 2}.subject-card:nth-child(n+5){grid-column:span 3}.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.featured-grid>:nth-child(4){display:flex}.calm-section,.progress-section,.home-faq{grid-template-columns:minmax(0,1fr);gap:32px}.calm-copy>p,.progress-copy .lead{max-width:600px}.faq-intro{grid-template-columns:minmax(0,1fr) auto;align-items:end;width:100%}.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.price-card.featured{grid-column:1/-1}.detail-hero{grid-template-columns:minmax(0,1fr);gap:8px}.detail-visual .pack-cover.large{height:320px;min-height:0}.detail-copy{padding:24px 22px 18px}.detail-content{grid-template-columns:minmax(0,1fr);gap:48px}.detail-content .sticky-panel{position:static}.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}.footer-brand{grid-column:1/-1}.catalog-intro .illustration-group img{width:72px;height:72px}.area-intro{padding:40px}.not-found{padding:48px}}@media (max-width:900px){.catalog-layout{grid-template-columns:minmax(0,1fr)}.catalog-filters{display:none}.filter-mobile-button{display:inline-flex}.catalog-controls>select{min-width:0}.auth-layout.split{grid-template-columns:minmax(0,1fr);width:min(560px,100% - 32px)}.auth-art{padding:36px 32px 24px}.auth-art .learning-shapes.compact{width:min(100%,420px);margin:8px auto 0}.purchase-strip{grid-template-columns:minmax(0,1fr) auto}.level-path{grid-template-columns:minmax(0,1fr)}.level-path>div+div{box-shadow:inset 0 1px 0 var(--border)}}@media (max-width:650px){.nav-row{gap:8px;height:72px}.install-platforms{grid-template-columns:minmax(0,1fr)}.install-help{margin-top:36px}.nav-row>.wordmark{margin-right:0;font-size:20px}.nav-actions>.login-link{display:none}.nav-actions .button{padding:0 18px;font-size:14.5px}.pricing-head .notice{border-radius:16px}.site-footer{margin-top:72px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px;padding-top:36px}.footer-bottom{flex-direction:column;margin-top:32px}.site-header~main .lead{font-size:16.5px;line-height:1.65}.home-hero{border-radius:30px;gap:20px;padding:32px 20px 20px}.home-hero .eyebrow{margin-bottom:16px}.home-hero h1{margin-bottom:16px;font-size:clamp(34px,10.5vw,44px)}.hero-lead{margin-bottom:24px;font-size:16.5px}.hero-search{gap:8px;min-height:58px;padding:5px 5px 5px 16px}.hero-search>svg{width:20px;height:20px}.hero-search .button{width:48px;min-height:48px;padding:0}.hero-search .button svg{display:block}.hero-search-label{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.hero-suggest{padding-left:0}.hero-suggest>span{flex-basis:100%}.shape-chip{border-radius:16px;gap:8px;padding:9px 13px 9px 10px;font-size:12.5px}.chip-stars{top:49%}.shape-chip svg{width:19px;height:19px}.subject-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.subject-card,.subject-card:nth-child(n+5){border-radius:24px;grid-column:auto;padding:20px 18px 18px}.subject-card:last-child{grid-column:1/-1}.subject-card>svg{width:34px;height:34px}.subject-card h3{margin-top:14px;font-size:16.5px}.subject-card p{font-size:13.5px}.home-section{margin-top:64px}.section-head{flex-wrap:wrap;gap:8px}.section-head .text-link{padding-bottom:0}.featured-grid,.catalog-grid{grid-template-columns:minmax(0,1fr);gap:16px}.featured-grid>:nth-child(4){display:none}.pack-card{border-radius:26px}.pack-card .pack-cover{height:196px}.session-card{border-radius:30px;padding:24px 20px}.response-dots span{width:24px;height:24px}.pricing-grid,.faq-intro{grid-template-columns:minmax(0,1fr)}.faq-list summary{padding:12px 16px 12px 20px;font-size:15.5px}.faq-list details p{padding:0 20px 20px}.catalog-intro{grid-template-columns:minmax(0,1fr);padding:24px 0}.catalog-intro .illustration-group{display:none}.catalog-intro p{font-size:16px}.area-intro{border-radius:30px;margin-bottom:24px;padding:28px 22px}.catalog-controls{flex-wrap:wrap}.catalog-controls .search-box{flex:100%}.catalog-controls>.filter-mobile-button,.catalog-controls>select{flex:1 1 0;min-height:52px}.detail-hero{border-radius:30px;padding:10px}.detail-visual .pack-cover.large{border-radius:22px;height:240px}.detail-visual .pack-cover.large .cover-glyph{font-size:76px;bottom:16px;left:22px}.detail-visual .pack-cover.large .cover-glyph.long{font-size:56px}.detail-visual .pack-cover.large .cover-art{width:130px;height:130px;top:22px;right:18px}.detail-visual .pack-cover.large .cover-icon{width:96px;height:96px;top:24px;right:20px}.detail-visual .pack-cover.large .cover-dots{bottom:104px;left:26px}.detail-copy{padding:20px 12px 12px}.detail-meta{grid-template-columns:minmax(0,1fr)}.activity-list{padding:4px 18px}.activity-list>div{gap:14px}.level-grid{grid-template-columns:minmax(0,1fr)}.level-card{align-items:flex-start;gap:14px;display:flex}.level-card h3{margin-top:0}.activity-tile{gap:14px;padding:14px}.price-card{border-radius:26px;padding:26px 22px}.purchase-strip{border-radius:26px;grid-template-columns:minmax(0,1fr);gap:16px;padding:24px 22px}.purchase-strip .button{width:100%}.cart-row{flex-wrap:wrap}.auth-layout{margin-top:8px}.auth-layout>.panel,.auth-layout.split>.auth-card{border-radius:30px;padding:28px 22px}.auth-art{border-radius:30px;padding:28px 22px 16px}.article.paper{border-radius:30px;padding:32px 22px}.not-found{border-radius:30px;grid-template-columns:minmax(0,1fr);padding:36px 22px}.not-found .illustration-group img{width:84px;height:84px}.step-section{grid-template-columns:minmax(0,1fr)}}@media (max-width:359px){.nav-actions>.button.primary{display:none}.shape-chip{padding:8px 10px 8px 9px;font-size:11.5px}}@media (prefers-reduced-motion:reduce){.learning-shapes .shape,.shape-chip,.site-header{animation:none!important}.pack-card:hover,.article-card:hover,.subject-card:hover,.goal-links a:hover,.subject-card:hover>svg,.pack-card:hover .cover-art,.pack-card:hover .cover-icon,.article-card:hover .article-card-art img,.mobile-nav a:hover svg{transform:none}}@media (hover:none){.pack-card:hover,.article-card:hover,.subject-card:hover,.goal-links a:hover,.subject-card:hover>svg,.pack-card:hover .cover-art,.pack-card:hover .cover-icon,.article-card:hover .article-card-art img,.mobile-nav a:hover svg{transform:none}}@media print{.learning-shapes,.favorite-button,.illustration-group{display:none!important}.pack-card,.price-card,.session-card,.home-hero,.article.paper{box-shadow:none}}.terms-checks{gap:6px;display:grid}.terms-checks fieldset{border:0;gap:2px;min-width:0;margin:0;padding:0;display:grid}.terms-check{align-items:flex-start;padding:8px 0;line-height:1.5}.terms-check input{margin-top:1px}.terms-checks .text-link{text-underline-offset:3px;text-decoration:underline;display:inline}.terms-info,.terms-children{margin:0;font-size:14px}.terms-hint{text-align:center;color:var(--muted);margin:-6px 0 0;font-size:13.5px}.terms-gate .terms-acceptance{margin-bottom:8px}.onboarding-note{margin:12px 0 0;font-size:14.5px}.cookie-notice{left:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:50;border-radius:var(--radius-lg);background:var(--surface);width:min(440px,100vw - 48px);box-shadow:var(--shadow-lg), 0 0 0 1px #0f1a3a0a;animation:cookie-notice-in .32s var(--ease) both;align-items:center;gap:14px;padding:14px 14px 14px 18px;display:flex;position:fixed}.cookie-notice>svg{color:var(--accent-ink);flex:none}.cookie-notice p{min-width:0;color:var(--text);flex:1;margin:0;font-size:14px;line-height:1.45}.cookie-notice p a{color:var(--ink);text-underline-offset:3px;white-space:nowrap;font-weight:700;text-decoration:underline}.cookie-notice .button{flex:none;min-height:40px;padding:0 18px}@keyframes cookie-notice-in{0%{opacity:0;transform:translateY(12px)}}@media (max-width:640px){.cookie-notice{left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));gap:12px;width:auto;padding:12px 12px 12px 14px}.cookie-notice>svg{display:none}.cookie-notice p{font-size:13.5px}}@media (prefers-reduced-motion:reduce){.cookie-notice{animation:none}}@media print{.cookie-notice{display:none}}
.blog-head{max-width:800px;padding:8px 0 28px}.blog-head h1{margin-bottom:14px;font-size:clamp(34px,4vw,52px)}.blog-head .lead{color:var(--text);margin:0;font-size:18px}.theme-head{border-radius:var(--radius-2xl);background:var(--tone-soft);max-width:none;margin-bottom:28px;padding:44px 56px}.theme-head .area-mark{color:var(--tone);margin-bottom:16px;display:block}.theme-head .lead{max-width:680px}.theme-head .text-link{margin-top:18px}.theme-nav{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.theme-nav a{background:var(--surface);min-height:44px;box-shadow:var(--shadow-xs);color:var(--ink);transition:box-shadow .15s var(--ease), background-color .15s var(--ease);border-radius:999px;align-items:center;padding:0 18px;font-size:14px;font-weight:700;display:inline-flex}.theme-nav a:hover{box-shadow:var(--shadow-sm)}.theme-nav a[aria-current=page]{background:var(--primary);color:#fff;box-shadow:none}.tag-filter{flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 32px;display:flex}.tag-filter-label{color:var(--muted);margin:0;font-size:13px;font-weight:700}.tag-filter ul,.article-tags{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.tag-filter a,.article-tags a{background:var(--surface-3);min-height:32px;color:var(--text);transition:background-color .15s var(--ease), color .15s var(--ease);border-radius:999px;align-items:center;gap:6px;padding:0 13px;font-size:13px;font-weight:600;display:inline-flex}.tag-filter a:hover,.article-tags a:hover{background:var(--primary-soft-2);color:var(--ink)}.tag-filter a[aria-current]{background:var(--primary);color:#fff}.tag-heading{color:var(--ink);margin:-12px 0 24px;font-size:15px;font-weight:700}.list-title{margin:0 0 20px;font-size:clamp(22px,2.2vw,28px)}.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.article-card{border-radius:var(--radius-xl);background:var(--surface);min-width:0;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease), box-shadow .22s var(--ease);flex-direction:column;display:flex;position:relative;overflow:hidden}.article-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.article-card:has(.article-card-link:focus-visible){outline:3px solid var(--focus);outline-offset:3px}.article-card-art{background:var(--tone-soft);height:150px;color:var(--tone);justify-content:center;align-items:center;display:flex}.article-card-art img{width:104px;height:104px;transition:transform .35s var(--spring)}.article-card:hover .article-card-art img{transform:scale(1.05)rotate(-2deg)}.article-card-body{flex-direction:column;flex:1;min-width:0;padding:22px 24px 24px;display:flex}.article-card-area{color:var(--tone-ink);align-items:center;gap:6px;margin:0 0 10px;font-size:13px;font-weight:700;display:inline-flex}.article-card-title{letter-spacing:-.02em;margin:0 0 8px;font-size:19px;line-height:1.3}.article-card-link:after{content:"";border-radius:inherit;position:absolute;inset:0}.article-card-link:focus-visible{outline:none}.article-card-excerpt{-webkit-line-clamp:3;color:var(--muted);-webkit-box-orient:vertical;margin:0 0 16px;font-size:14.5px;line-height:1.6;display:-webkit-box;overflow:hidden}.article-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 10px;margin:auto 0 0;font-size:13px;font-weight:600;display:flex}.article-meta>*+:before{content:"·";color:var(--muted);margin-right:10px}.article-card.featured{border-radius:var(--radius-2xl);grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);margin-bottom:44px;display:grid}.article-card.featured .article-card-art{height:auto;min-height:320px}.article-card.featured .article-card-art img{width:200px;height:200px}.article-card.featured .article-card-body{justify-content:center;padding:44px 48px}.article-card.featured .article-card-title{letter-spacing:-.035em;font-size:clamp(26px,2.8vw,36px);line-height:1.12}.article-card.featured .article-card-excerpt{-webkit-line-clamp:4;color:var(--text);font-size:17px}.article-card.featured .article-meta{margin-top:8px}.blog-pagination{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;margin-top:40px;display:grid}.blog-pagination ol{flex-wrap:wrap;justify-content:center;gap:6px;margin:0;padding:0;list-style:none;display:flex}.blog-pagination ol a,.blog-pagination ol span{font-variant-numeric:tabular-nums;border-radius:999px;justify-content:center;align-items:center;min-width:44px;min-height:44px;font-weight:700;display:inline-flex}.blog-pagination ol a{background:var(--surface);box-shadow:var(--shadow-xs);color:var(--ink)}.blog-pagination [aria-current=page]{background:var(--primary);color:#fff}.article-hero{border-radius:var(--radius-2xl);background:var(--tone-soft);grid-template-columns:minmax(0,1fr) 260px;align-items:center;gap:40px;padding:48px 56px;display:grid}.article-hero:not(:has(.article-hero-art)){grid-template-columns:minmax(0,1fr)}.article-chips{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.article-chips .paper-chip{background:var(--surface);min-height:36px;box-shadow:var(--shadow-xs);border-radius:999px;margin:0;padding:0 14px}.article-hero h1{max-width:22ch;margin-bottom:16px;font-size:clamp(32px,4.2vw,54px)}.article-hero .lead{max-width:62ch;color:var(--text);margin:0;font-size:19px}.article-hero .article-meta{color:var(--text);margin-top:22px;font-size:14px}.article-hero .article-meta>*+:before{color:var(--text)}.article-hero-art{aspect-ratio:1;border-radius:var(--radius-xl);background:#ffffff9e;justify-content:center;align-items:center;display:flex}.article-hero-art img{width:70%;height:auto}.article-columns{grid-template-columns:240px minmax(0,1fr);align-items:start;gap:48px;margin-top:40px;display:grid}.article-columns.no-toc{grid-template-columns:minmax(0,1fr)}.article-columns.no-toc .article-main{width:100%;max-width:900px;margin-inline:auto}.article-aside{top:calc(104px + var(--safe-top));position:sticky}.article-toc{border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);padding:22px 18px 16px}.article-toc-title{color:var(--ink);margin:0 0 8px 10px;font-size:13px;font-weight:800}.article-toc ol{gap:2px;margin:0;padding:0;list-style:none;display:grid}.article-toc a{color:var(--text);transition:background-color .15s var(--ease), color .15s var(--ease);border-radius:10px;padding:8px 10px;font-size:14px;font-weight:600;line-height:1.4;display:block}.article-toc a:hover{background:var(--surface-2);color:var(--ink)}.article-main{border-radius:var(--radius-2xl);background:var(--surface);min-width:0;padding:52px 60px;box-shadow:0 30px 60px -40px #0f1a3a40}.article-disclaimer{color:var(--muted);margin:24px 0 0;font-size:14px}.article-tags{border-top:1px solid var(--border);margin-top:36px;padding-top:24px}.article-body{color:var(--text);font-size:17.5px;line-height:1.75}.article-body>.prose:first-child>:first-child{margin-top:0}.prose p{max-width:68ch;margin:0 0 20px}.prose h2{margin:48px 0 16px;scroll-margin-top:112px;font-size:clamp(24px,2.4vw,30px)}.prose h3{margin:32px 0 12px;scroll-margin-top:112px;font-size:20px}.prose h4{margin:24px 0 8px;font-size:17px}.prose ul,.prose ol{max-width:66ch;margin:0 0 22px;padding-left:1.4em}.prose li{margin:6px 0;padding-left:4px}.prose li>p{margin:0 0 8px}.prose li::marker{color:var(--muted);font-weight:700}.prose a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1.5px;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:3px;font-weight:700}.prose a:hover{-webkit-text-decoration-color:var(--ink);text-decoration-color:var(--ink)}.prose strong{color:var(--ink)}.prose blockquote{border-left:3px solid var(--accent);color:var(--ink);margin:28px 0;padding:4px 0 4px 22px;font-weight:600}.prose blockquote p:last-child{margin-bottom:0}.prose code{background:var(--surface-3);border-radius:6px;padding:2px 6px;font-size:.9em}.prose pre{border-radius:var(--radius);background:var(--surface-2);margin:0 0 22px;padding:18px 20px;overflow-x:auto}.prose pre code{background:0 0;padding:0}.prose img{border-radius:var(--radius-lg);max-width:100%;height:auto;margin:24px 0}.prose hr{margin:40px 0}.prose .table-wrap{margin:24px 0;overflow-x:auto}.prose table{width:100%;font-size:15px;line-height:1.5}.prose th,.prose td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:10px 12px}.prose th{color:var(--ink);font-weight:800}.embed-demo{border-radius:var(--radius-xl);background:var(--surface-2);margin:36px 0;padding:22px}.embed-head{flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-bottom:16px;display:flex}.embed-head strong{letter-spacing:-.02em;font-size:18px}.embed-label{color:var(--accent-ink);align-items:center;gap:6px;margin:0;font-size:13px;font-weight:800;display:inline-flex}.embed-actions{flex-wrap:wrap;gap:8px 24px;margin-top:16px;display:flex}.embed-actions .text-link{font-size:14.5px}.embed-demo .demo-player .teacher-label{margin-bottom:0}.embed-set{max-width:400px;margin:32px 0}.embed-cta{border-radius:var(--radius-xl);background:var(--primary-soft);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px 32px;margin:36px 0;padding:28px 32px;display:grid}.embed-cta .embed-label{color:var(--ink)}.embed-cta .embed-label svg{color:var(--accent)}.embed-cta-title{letter-spacing:-.025em;color:var(--ink);margin:6px 0 8px;font-size:22px;font-weight:800;line-height:1.2}.embed-cta p:not(.embed-label):not(.embed-cta-title){max-width:60ch;color:var(--text);margin:0;font-size:15.5px;line-height:1.6}.embed-cta-actions{flex-wrap:wrap;gap:10px;display:flex}.embed-missing{align-items:flex-start;gap:10px;display:flex}.embed-missing svg{flex:none;margin-top:3px}.article-page>.embed-cta,.blog-page>.embed-cta{background:var(--surface);box-shadow:var(--shadow-sm);margin:56px 0 0;padding:36px 44px}.article-page>.embed-cta .embed-cta-title,.blog-page>.embed-cta .embed-cta-title{font-size:clamp(22px,2.4vw,28px)}.article-editor{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:20px;display:grid}.markdown-input{resize:vertical;min-height:520px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;line-height:1.6}.embed-tools{border-radius:var(--radius-lg);background:var(--surface-2);gap:10px;padding:16px;display:grid}.embed-tools .row{flex-wrap:wrap;gap:8px}.article-live{top:calc(96px + var(--safe-top));max-height:calc(100dvh - 120px - var(--safe-top));border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow-sm);padding:28px 32px;position:sticky;overflow-y:auto}.article-live-title{color:var(--muted);margin:0 0 16px;font-size:13px;font-weight:800}.article-live .article-body{font-size:16px}.char-count{color:var(--muted);margin-top:-8px;font-size:12.5px;font-weight:700;display:block}.char-count.over{color:var(--danger-ink)}.char-count.under{color:var(--warning-ink)}.serp-preview{border-radius:var(--radius);max-width:600px;box-shadow:inset 0 0 0 1px var(--border);background:#fff;padding:18px 20px;font-family:Arial,sans-serif}.serp-url{color:#4d5156;margin:0 0 4px;font-size:13px}.serp-title{color:#1a0dab;margin:0 0 4px;font-size:20px;line-height:1.3}.serp-description{color:#4d5156;margin:0;font-size:14px;line-height:1.58}.field-set{border:0;min-width:0;margin:0;padding:0}.field-set legend{color:var(--ink);margin-bottom:8px;padding:0;font-size:14px;font-weight:700}.cover-picker{flex-wrap:wrap;gap:8px;display:flex}.cover-option{border-radius:var(--radius);background:var(--surface-2);cursor:pointer;min-width:72px;height:72px;color:var(--text);justify-content:center;align-items:center;padding:6px 10px;font-size:13px;font-weight:700;display:inline-flex;position:relative}.cover-option input{opacity:0;pointer-events:none;position:absolute}.cover-option.selected{background:var(--primary-soft);box-shadow:inset 0 0 0 2px var(--ink)}.cover-option:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px}.admin-article-preview .article-hero h1{font-size:clamp(30px,3.4vw,46px)}@media (max-width:1100px){.article-editor{grid-template-columns:minmax(0,1fr)}.article-live{max-height:none;position:static}.article-columns{grid-template-columns:minmax(0,1fr);gap:20px}.article-aside{position:static}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:900px){.article-hero{grid-template-columns:minmax(0,1fr) 160px;gap:24px;padding:40px}.article-card.featured{grid-template-columns:minmax(0,1fr)}.article-card.featured .article-card-art{min-height:200px}.article-card.featured .article-card-art img{width:140px;height:140px}.article-card.featured .article-card-body{padding:28px 28px 30px}.embed-cta{grid-template-columns:minmax(0,1fr)}.theme-head{padding:36px 40px}}@media (max-width:650px){.blog-head{padding-top:0}.blog-head .lead{font-size:16.5px}.theme-head{border-radius:30px;padding:28px 22px}.theme-nav{scrollbar-width:none;flex-wrap:nowrap;margin-inline:-16px;padding:4px 16px 8px;overflow-x:auto}.theme-nav a{flex:none}.article-grid{grid-template-columns:minmax(0,1fr)}.article-hero{border-radius:30px;grid-template-columns:minmax(0,1fr);padding:28px 22px}.article-hero-art{display:none}.article-hero .lead{font-size:17px}.article-main{border-radius:28px;padding:28px 20px 32px}.article-body{font-size:16.5px;line-height:1.7}.embed-demo{border-radius:22px;margin-inline:-8px;padding:14px 10px}.embed-cta,.article-page>.embed-cta,.blog-page>.embed-cta{border-radius:24px;padding:24px 22px}.blog-pagination{grid-template-columns:minmax(0,1fr);justify-items:center}}@media (pointer:coarse){.tag-filter a,.article-tags a{min-height:40px}}@media (prefers-reduced-motion:reduce){.article-card,.article-card-art img{transition:none}.article-card:hover{transform:none}}@media print{.article-aside,.embed-demo,.embed-cta,.related-section,.theme-nav,.tag-filter{display:none}.article-main,.article-hero{box-shadow:none;background:0 0;padding:0}.article-columns{display:block}}