.tier-pill{letter-spacing:.02em;white-space:nowrap;border:1px solid;border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:.72rem;font-weight:700;display:inline-flex}.tier-pill:before{content:"";background:currentColor;border-radius:50%;width:7px;height:7px}.tier-fully-tutored{color:var(--success);background:#34d3991f;border-color:#34d39973}.tier-quiz-ready{color:var(--amber);background:#f5b84c1f;border-color:#f5b84c73}.tier-coming-soon{color:var(--text-dim);background:#9b98c414;border-color:#9b98c466}.sy-tabs{flex-wrap:wrap;gap:12px;margin-bottom:26px;display:flex}.sy-tab{font-family:var(--font-display);color:var(--text-mid);background:var(--card);border:1px solid var(--card-border);cursor:pointer;border-radius:999px;padding:12px 26px;font-size:1.05rem;font-weight:700;transition:color .2s,border-color .2s,background .2s}.sy-tab:hover{color:var(--text-hi);border-color:var(--violet)}.sy-tab.is-active{color:var(--text-hi);border-color:var(--violet);background:#7c6cff29}.sy-chips{flex-wrap:wrap;gap:10px;margin-bottom:34px;display:flex}.sy-chip{color:var(--text-mid);border:1px solid var(--card-border);cursor:pointer;background:0 0;border-radius:999px;padding:8px 18px;font-size:.9rem;font-weight:600;transition:color .2s,border-color .2s,background .2s}.sy-chip:hover{color:var(--text-hi);border-color:var(--amber)}.sy-chip.is-active{color:var(--navy-900);background:var(--amber);border-color:var(--amber)}html.no-js .sy-chips{display:none}.sy-grade{margin-bottom:44px}.sy-grade-title{color:var(--text-hi);margin-bottom:16px;font-size:1.35rem}.sy-subjects{grid-template-columns:repeat(2,1fr);align-items:start;gap:16px;display:grid}.sy-subject{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:18px 20px}.sy-subject summary{cursor:pointer;flex-wrap:wrap;align-items:center;gap:10px;list-style:none;display:flex}.sy-subject summary::-webkit-details-marker{display:none}.sy-subject summary:after{content:"+";color:var(--text-dim);margin-left:auto;font-size:1.1rem;font-weight:700}.sy-subject[open] summary:after{content:"−"}.sy-subject-name{color:var(--text-hi);font-size:1.02rem;font-weight:700}.sy-ch-count{color:var(--text-dim);font-size:.82rem}.sy-chapters{color:var(--text-mid);gap:6px;margin:14px 0 0;padding-left:22px;font-size:.94rem;display:grid}.sy-chapters li::marker{color:var(--violet-soft)}.sy-subject--soon{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.sy-soon-note{color:var(--text-dim);font-size:.82rem;font-style:italic}@media (width<=900px){.sy-subjects{grid-template-columns:1fr}}.btn-amber[data-astro-cid-rc6zscjk]{background:var(--amber);color:var(--navy-900);border-radius:999px;padding:15px 34px;font-weight:700;text-decoration:none;transition:background .2s;display:inline-block}.btn-amber[data-astro-cid-rc6zscjk]:hover{background:var(--amber-deep)}.sy-glow[data-astro-cid-rc6zscjk]{pointer-events:none;background:radial-gradient(600px 380px at 78% 30%,#7c6cff38,#0000 70%),radial-gradient(500px 340px at 12% 80%,#5b4bd429,#0000 70%);position:absolute;inset:0}.sy-hero[data-astro-cid-rc6zscjk]{text-align:center;padding:150px 0 70px;position:relative;overflow:hidden}.sy-hero-inner[data-astro-cid-rc6zscjk]{z-index:1;position:relative}.sy-eyebrow[data-astro-cid-rc6zscjk]{letter-spacing:.12em;text-transform:uppercase;color:var(--amber);border:1px solid #f5b84c66;border-radius:999px;margin-bottom:22px;padding:6px 16px;font-size:.85rem;font-weight:700;display:inline-block}.sy-hero[data-astro-cid-rc6zscjk] h1[data-astro-cid-rc6zscjk]{max-width:22ch;margin:0 auto 24px;font-size:clamp(2.4rem,5vw,3.6rem);line-height:1.12}.sy-sub[data-astro-cid-rc6zscjk]{color:var(--text-mid);max-width:56ch;margin:0 auto;font-size:1.12rem}.sy-legend[data-astro-cid-rc6zscjk]{padding:20px 0 60px}.sy-legend-list[data-astro-cid-rc6zscjk]{grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;display:grid}.sy-legend-item[data-astro-cid-rc6zscjk]{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);flex-direction:column;align-items:flex-start;gap:12px;padding:22px 24px;display:flex}.sy-legend-item[data-astro-cid-rc6zscjk] p[data-astro-cid-rc6zscjk]{color:var(--text-mid);font-size:.95rem}.sy-explorer[data-astro-cid-rc6zscjk]{background:linear-gradient(#0000,#1e21458c 18% 82%,#0000);padding:90px 0 100px;position:relative;overflow:hidden}.sy-note[data-astro-cid-rc6zscjk]{text-align:center;padding:90px 0 130px}.sy-note-text[data-astro-cid-rc6zscjk]{font-family:var(--font-display);max-width:26ch;color:var(--text-hi);margin:0 auto 30px;font-size:clamp(1.4rem,2.8vw,1.9rem);font-weight:700;line-height:1.3}@media (width<=900px){.sy-hero[data-astro-cid-rc6zscjk]{padding:110px 0 50px}.sy-legend-list[data-astro-cid-rc6zscjk]{grid-template-columns:1fr}}