.grade-page[data-astro-cid-6qpxooph]{--ink: #16131b;--muted: #68636d}.grade-page[data-astro-cid-6qpxooph],.grade-page[data-astro-cid-6qpxooph] [data-astro-cid-6qpxooph]{box-sizing:border-box}.container[data-astro-cid-6qpxooph]{width:min(1120px,100% - 2rem);margin:0 auto}.hero-section[data-astro-cid-6qpxooph]{padding:2rem 0 4.75rem}.breadcrumbs[data-astro-cid-6qpxooph]{display:flex;gap:.55rem;align-items:center;margin:0 0 1.25rem;color:#6b6670;font-size:.84rem;font-weight:700}.breadcrumbs[data-astro-cid-6qpxooph] a[data-astro-cid-6qpxooph]{text-decoration:underline;text-decoration-color:#11111140;text-underline-offset:.2em}.hero-card[data-astro-cid-6qpxooph]{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:clamp(2rem,6vw,5rem);align-items:center;padding:clamp(1.5rem,5vw,4.5rem);overflow:hidden;border:1px solid rgba(17,17,17,.07);border-radius:46px;background:#ffffffc2;box-shadow:0 28px 70px #1e132e17}.hero-card[data-astro-cid-6qpxooph]:before,.hero-card[data-astro-cid-6qpxooph]:after{position:absolute;content:"";border-radius:50%;background:var(--grade-accent);opacity:.8}.hero-card[data-astro-cid-6qpxooph]:before{width:18rem;height:18rem;top:-10rem;right:22%}.hero-card[data-astro-cid-6qpxooph]:after{width:7rem;height:7rem;bottom:-3rem;left:46%}.hero-copy[data-astro-cid-6qpxooph],.preview-card[data-astro-cid-6qpxooph]{position:relative;z-index:1}.eyebrow[data-astro-cid-6qpxooph],.section-kicker[data-astro-cid-6qpxooph]{margin:0 0 1rem;color:var(--grade-accent-strong);font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1[data-astro-cid-6qpxooph],h2[data-astro-cid-6qpxooph],h3[data-astro-cid-6qpxooph],p[data-astro-cid-6qpxooph]{margin-top:0}h1[data-astro-cid-6qpxooph],h2[data-astro-cid-6qpxooph],h3[data-astro-cid-6qpxooph]{color:var(--ink);line-height:1.03;letter-spacing:-.055em}h1[data-astro-cid-6qpxooph]{max-width:12ch;margin-bottom:1.15rem;font-size:clamp(3rem,6vw,5.25rem)}h2[data-astro-cid-6qpxooph]{margin-bottom:.9rem;font-size:clamp(2.2rem,4vw,3.65rem)}h3[data-astro-cid-6qpxooph]{font-size:1.45rem}.lead[data-astro-cid-6qpxooph],.source-note[data-astro-cid-6qpxooph],.section-heading[data-astro-cid-6qpxooph]>div[data-astro-cid-6qpxooph]>p[data-astro-cid-6qpxooph]:not(.section-kicker),.practice-intro[data-astro-cid-6qpxooph]>p[data-astro-cid-6qpxooph]:not(.section-kicker),.method-copy[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph],.final-cta-card[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{color:var(--muted);line-height:1.7}.lead[data-astro-cid-6qpxooph]{max-width:58ch;margin-bottom:.8rem;font-size:1.12rem}.source-note[data-astro-cid-6qpxooph]{max-width:62ch;margin-bottom:0;font-size:.9rem;font-weight:600}.hero-actions[data-astro-cid-6qpxooph]{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.65rem 0}.primary-action[data-astro-cid-6qpxooph],.secondary-action[data-astro-cid-6qpxooph],.final-cta-card[data-astro-cid-6qpxooph]>a[data-astro-cid-6qpxooph]{display:inline-flex;min-height:3.2rem;align-items:center;justify-content:center;padding:.8rem 1.2rem;border:1px solid #111111;border-radius:999px;font:inherit;font-size:.92rem;font-weight:800;cursor:pointer}.primary-action[data-astro-cid-6qpxooph],.final-cta-card[data-astro-cid-6qpxooph]>a[data-astro-cid-6qpxooph]{background:#111;color:#fff;box-shadow:0 12px 25px #1113}.secondary-action[data-astro-cid-6qpxooph]{background:#fff;color:#111}.primary-action[data-astro-cid-6qpxooph]:hover,.secondary-action[data-astro-cid-6qpxooph]:hover,.final-cta-card[data-astro-cid-6qpxooph]>a[data-astro-cid-6qpxooph]:hover{transform:translateY(-1px)}.primary-action[data-astro-cid-6qpxooph]:focus-visible,.secondary-action[data-astro-cid-6qpxooph]:focus-visible,.final-cta-card[data-astro-cid-6qpxooph]>a[data-astro-cid-6qpxooph]:focus-visible,input[data-astro-cid-6qpxooph]:focus-visible,button[data-astro-cid-6qpxooph]:focus-visible,a[data-astro-cid-6qpxooph]:focus-visible,summary[data-astro-cid-6qpxooph]:focus-visible{outline:3px solid var(--grade-accent-strong);outline-offset:3px}.stats[data-astro-cid-6qpxooph]{display:flex;flex-wrap:wrap;gap:.75rem;margin:0}.stats[data-astro-cid-6qpxooph] div[data-astro-cid-6qpxooph]{min-width:7.25rem;padding:.85rem 1rem;border:1px solid rgba(17,17,17,.07);border-radius:18px;background:#ffffffb8}.stats[data-astro-cid-6qpxooph] dt[data-astro-cid-6qpxooph]{margin-bottom:.2rem;color:#746e79;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.stats[data-astro-cid-6qpxooph] dd[data-astro-cid-6qpxooph]{margin:0;color:var(--ink);font-size:1.15rem;font-weight:800}.preview-card[data-astro-cid-6qpxooph]{display:flex;min-height:29rem;flex-direction:column;padding:1.6rem;overflow:hidden;border:1px solid rgba(17,17,17,.07);border-radius:34px;background:var(--grade-accent);box-shadow:0 22px 48px #1e132e1a;transform:rotate(1.5deg)}.preview-card[data-astro-cid-6qpxooph]>p[data-astro-cid-6qpxooph]{position:relative;z-index:2;margin-bottom:1.5rem;color:var(--grade-accent-strong);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.preview-card[data-astro-cid-6qpxooph] ul[data-astro-cid-6qpxooph]{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin:0;padding:.75rem;border:1px solid rgba(17,17,17,.06);border-radius:22px;background:#ffffff3d;list-style:none}.preview-card[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph]{display:flex;min-width:0;min-height:3.5rem;align-items:center;padding:.55rem .7rem;overflow-wrap:anywhere;border:1px solid rgba(17,17,17,.09);border-radius:14px;background:#ffffffd1;color:var(--ink);font-size:clamp(.9rem,1.35vw,1.08rem);font-weight:800;letter-spacing:-.035em;box-shadow:0 9px 20px #1e132e0f}.preview-footer[data-astro-cid-6qpxooph]{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:auto;padding-top:1.1rem;color:var(--grade-accent-strong);font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.preview-mark[data-astro-cid-6qpxooph]{position:absolute;right:-.5rem;bottom:-1.6rem;color:#ffffff94;font-size:9rem;font-weight:800;letter-spacing:-.12em;line-height:1}.word-section[data-astro-cid-6qpxooph],.practice-section[data-astro-cid-6qpxooph],.method-section[data-astro-cid-6qpxooph],.related-section[data-astro-cid-6qpxooph],.faq-section[data-astro-cid-6qpxooph],.final-cta-section[data-astro-cid-6qpxooph]{padding:4.75rem 0}.section-heading[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.52fr);gap:2rem;align-items:end;margin-bottom:2rem}.section-heading[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{max-width:14ch}.section-heading[data-astro-cid-6qpxooph]>div[data-astro-cid-6qpxooph]>p[data-astro-cid-6qpxooph]:not(.section-kicker){max-width:60ch;margin-bottom:0}.search-panel[data-astro-cid-6qpxooph]{padding:1rem;border:1px solid rgba(17,17,17,.07);border-radius:24px;background:#ffffffc2;box-shadow:0 16px 34px #1e132e0f}.search-panel[data-astro-cid-6qpxooph] label[data-astro-cid-6qpxooph]{display:block;margin:0 0 .55rem;color:var(--ink);font-size:.82rem;font-weight:800}.search-control[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.5rem}.search-control[data-astro-cid-6qpxooph] input[data-astro-cid-6qpxooph],.search-control[data-astro-cid-6qpxooph] button[data-astro-cid-6qpxooph]{min-height:2.9rem;border:1px solid rgba(17,17,17,.12);border-radius:14px;font:inherit}.search-control[data-astro-cid-6qpxooph] input[data-astro-cid-6qpxooph]{min-width:0;padding:.7rem .85rem;background:#fff;color:var(--ink);font-size:1rem}.search-control[data-astro-cid-6qpxooph] button[data-astro-cid-6qpxooph]{padding:.65rem .8rem;background:var(--grade-accent);color:var(--grade-accent-strong);font-size:.8rem;font-weight:800;cursor:pointer}.search-status[data-astro-cid-6qpxooph]{margin:.55rem 0 0;color:#746e79;font-size:.78rem;font-weight:700}.lesson-grid[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}.lesson-card[data-astro-cid-6qpxooph]{--lesson-background: var(--grade-accent);padding:1.35rem;border:1px solid rgba(17,17,17,.07);border-radius:26px;background:var(--lesson-background);box-shadow:0 16px 34px #1e132e11;scroll-margin-top:7rem}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+1){--lesson-background: var(--grade-accent)}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+2){--lesson-background: #f8e5ed}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+3){--lesson-background: #fff0c9}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+4){--lesson-background: #dff4ff}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+5){--lesson-background: #ecf8d8}.lesson-card[data-astro-cid-6qpxooph]:nth-child(6n+6){--lesson-background: #ebe8ff}.lesson-card[data-astro-cid-6qpxooph][hidden],.word-grid[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph][hidden]{display:none}.lesson-card[data-astro-cid-6qpxooph] header[data-astro-cid-6qpxooph]{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.lesson-card[data-astro-cid-6qpxooph] header[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph],.lesson-card[data-astro-cid-6qpxooph] header[data-astro-cid-6qpxooph] span[data-astro-cid-6qpxooph]{margin:0;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.lesson-card[data-astro-cid-6qpxooph] header[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{color:#423b48}.lesson-card[data-astro-cid-6qpxooph] header[data-astro-cid-6qpxooph] span[data-astro-cid-6qpxooph]{color:#716a76}.word-grid[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin:0;padding:0;list-style:none}.word-grid[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph]{min-width:0;padding:.62rem .68rem;overflow-wrap:anywhere;border:1px solid rgba(17,17,17,.065);border-radius:12px;background:#ffffffc7;color:#28232d;font-size:.88rem;font-weight:700}.empty-state[data-astro-cid-6qpxooph]{margin:0;padding:2rem;border:1px dashed rgba(17,17,17,.2);border-radius:24px;color:var(--muted);text-align:center}.practice-shell[data-astro-cid-6qpxooph],.faq-shell[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,6vw,5rem);padding:clamp(1.5rem,5vw,4rem);border:1px solid rgba(17,17,17,.06);border-radius:42px;background:var(--grade-accent);box-shadow:0 22px 52px #1e132e12}.practice-intro[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph],.faq-shell[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{max-width:10ch}.practice-intro[data-astro-cid-6qpxooph] a[data-astro-cid-6qpxooph],.hub-link[data-astro-cid-6qpxooph]{display:inline-flex;color:var(--grade-accent-strong);font-weight:800;text-decoration:underline;text-underline-offset:.2em}.practice-steps[data-astro-cid-6qpxooph]{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.practice-steps[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:1rem;align-items:center;padding:1rem;border:1px solid rgba(17,17,17,.07);border-radius:20px;background:#ffffffbf}.practice-steps[data-astro-cid-6qpxooph] span[data-astro-cid-6qpxooph]{display:grid;width:3rem;height:3rem;place-items:center;border-radius:50%;background:#111;color:#fff;font-size:.8rem;font-weight:800}.practice-steps[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{margin:0;color:#39333e;font-weight:700;line-height:1.5}.method-grid[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(2rem,7vw,6rem);padding-block:1rem}.method-grid[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{max-width:9ch}.method-copy[data-astro-cid-6qpxooph]{padding-left:2rem;border-left:3px solid var(--grade-accent-strong)}.method-copy[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{max-width:64ch;font-size:1.02rem}.method-copy[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]:last-child{margin-bottom:0}.compact-heading[data-astro-cid-6qpxooph]{align-items:center}.compact-heading[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{margin-bottom:0}.hub-link[data-astro-cid-6qpxooph]{justify-self:end}.related-grid[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.related-card[data-astro-cid-6qpxooph]{display:flex;min-height:17rem;flex-direction:column;padding:1.6rem;border:1px solid rgba(17,17,17,.07);border-radius:28px;background:var(--related-accent);box-shadow:0 16px 36px #1e132e11;transition:transform .16s ease,box-shadow .16s ease}.related-card[data-astro-cid-6qpxooph]:hover{transform:translateY(-2px);box-shadow:0 22px 44px #1e132e1a}.related-card[data-astro-cid-6qpxooph]>span[data-astro-cid-6qpxooph]{color:#615a66;font-size:.78rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.related-card[data-astro-cid-6qpxooph] h3[data-astro-cid-6qpxooph]{max-width:12ch;margin:2.5rem 0 .75rem;font-size:clamp(1.8rem,3vw,2.5rem)}.related-card[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{margin-bottom:1.5rem;color:#5f5864;font-weight:700}.related-card[data-astro-cid-6qpxooph] strong[data-astro-cid-6qpxooph]{margin-top:auto;color:var(--ink)}.faq-shell[data-astro-cid-6qpxooph]{align-items:start;background:#ffffffb8}.faq-list[data-astro-cid-6qpxooph]{border-top:1px solid rgba(17,17,17,.12)}.faq-list[data-astro-cid-6qpxooph] details[data-astro-cid-6qpxooph]{border-bottom:1px solid rgba(17,17,17,.12)}.faq-list[data-astro-cid-6qpxooph] summary[data-astro-cid-6qpxooph]{padding:1.2rem 2rem 1.2rem 0;color:var(--ink);font-weight:800;line-height:1.4;cursor:pointer}.faq-list[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{max-width:62ch;margin:-.35rem 0 1.25rem;color:var(--muted);line-height:1.7}.final-cta-card[data-astro-cid-6qpxooph]{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:clamp(1.5rem,5vw,3.4rem);border-radius:38px;background:#17151b;box-shadow:0 24px 52px #110f1733}.final-cta-card[data-astro-cid-6qpxooph] .section-kicker[data-astro-cid-6qpxooph],.final-cta-card[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph],.final-cta-card[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{color:#fff}.final-cta-card[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{max-width:17ch;font-size:clamp(2rem,4vw,3.4rem)}.final-cta-card[data-astro-cid-6qpxooph] p[data-astro-cid-6qpxooph]{max-width:58ch;margin-bottom:0;color:#c8c3cc}.final-cta-card[data-astro-cid-6qpxooph]>a[data-astro-cid-6qpxooph]{flex:0 0 auto;border-color:#fff;background:#fff;color:#111;box-shadow:none}@media (max-width: 900px){.hero-card[data-astro-cid-6qpxooph],.section-heading[data-astro-cid-6qpxooph],.practice-shell[data-astro-cid-6qpxooph],.faq-shell[data-astro-cid-6qpxooph],.method-grid[data-astro-cid-6qpxooph]{grid-template-columns:1fr}.preview-card[data-astro-cid-6qpxooph]{width:min(100%,30rem);min-height:25rem;margin-inline:auto}.section-heading[data-astro-cid-6qpxooph]{align-items:start}.section-heading[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{max-width:18ch}.hub-link[data-astro-cid-6qpxooph]{justify-self:start}.method-copy[data-astro-cid-6qpxooph]{padding:0;border:0}.final-cta-card[data-astro-cid-6qpxooph]{align-items:flex-start;flex-direction:column}}@media (max-width: 680px){.hero-section[data-astro-cid-6qpxooph]{padding-top:1.2rem}.hero-card[data-astro-cid-6qpxooph]{padding:1.3rem;border-radius:30px}h1[data-astro-cid-6qpxooph]{font-size:clamp(2.65rem,13vw,4rem)}.stats[data-astro-cid-6qpxooph]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.stats[data-astro-cid-6qpxooph] div[data-astro-cid-6qpxooph]{min-width:0;padding:.7rem}.stats[data-astro-cid-6qpxooph] dd[data-astro-cid-6qpxooph]{font-size:.96rem}.preview-card[data-astro-cid-6qpxooph]{min-height:24rem;padding:1.25rem;transform:none}.preview-card[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph]{min-height:3.25rem}.word-section[data-astro-cid-6qpxooph],.practice-section[data-astro-cid-6qpxooph],.method-section[data-astro-cid-6qpxooph],.related-section[data-astro-cid-6qpxooph],.faq-section[data-astro-cid-6qpxooph],.final-cta-section[data-astro-cid-6qpxooph]{padding:3.4rem 0}.lesson-grid[data-astro-cid-6qpxooph],.related-grid[data-astro-cid-6qpxooph]{grid-template-columns:1fr}.word-grid[data-astro-cid-6qpxooph]{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-shell[data-astro-cid-6qpxooph],.faq-shell[data-astro-cid-6qpxooph]{padding:1.3rem;border-radius:28px}.related-card[data-astro-cid-6qpxooph]{min-height:14rem}.final-cta-card[data-astro-cid-6qpxooph]{border-radius:28px}}@media print{.site-header,.site-footer,.breadcrumbs[data-astro-cid-6qpxooph],.hero-actions[data-astro-cid-6qpxooph],.preview-card[data-astro-cid-6qpxooph],.search-panel[data-astro-cid-6qpxooph],.practice-section[data-astro-cid-6qpxooph],.method-section[data-astro-cid-6qpxooph],.related-section[data-astro-cid-6qpxooph],.faq-section[data-astro-cid-6qpxooph],.final-cta-section[data-astro-cid-6qpxooph]{display:none!important}.hero-section[data-astro-cid-6qpxooph],.word-section[data-astro-cid-6qpxooph]{padding:0 0 1rem}.hero-card[data-astro-cid-6qpxooph]{display:block;padding:0;border:0;box-shadow:none}.hero-card[data-astro-cid-6qpxooph]:before,.hero-card[data-astro-cid-6qpxooph]:after,.source-note[data-astro-cid-6qpxooph],.stats[data-astro-cid-6qpxooph]{display:none}h1[data-astro-cid-6qpxooph]{max-width:none;font-size:24pt}.section-heading[data-astro-cid-6qpxooph]{display:block;margin-bottom:1rem}.section-heading[data-astro-cid-6qpxooph] h2[data-astro-cid-6qpxooph]{font-size:18pt}.lesson-grid[data-astro-cid-6qpxooph]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.35rem}.lesson-card[data-astro-cid-6qpxooph]{break-inside:avoid;padding:.5rem;border-color:#ccc;background:#fff!important;box-shadow:none}.word-grid[data-astro-cid-6qpxooph]{gap:.15rem}.word-grid[data-astro-cid-6qpxooph] li[data-astro-cid-6qpxooph]{padding:.1rem .2rem;border:0;font-size:8pt}}