.academy{--ac-ink:#1c1917;--ac-ink-soft:#44403c;--ac-muted:#78716c;--ac-faint:#a8a29e;--ac-paper:#fff;--ac-paper-warm:#fdfbf8;--ac-hairline:#e7e5e4;--ac-hairline-soft:#f5f5f4;--ac-accent:#c1440e;--ac-accent-ink:#9a3412;--ac-accent-wash:rgba(193,68,14,.07);--ac-gold:#b45309;--ac-gold-wash:#fffbeb;--ac-radius-sm:0.875rem;--ac-radius:1.25rem;--ac-radius-lg:1.75rem;--ac-rail:3px;--ac-measure:68ch;color:var(--ac-ink)}.ac-hero{position:relative;overflow:hidden;border-radius:var(--ac-radius-lg);background:#2c211b;isolation:isolate}.ac-hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02)}.ac-hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,25,23,.12),rgba(28,25,23,0) 34%,rgba(28,25,23,.58) 72%,rgba(28,25,23,.88)),radial-gradient(120% 90% at 8% 108%,rgba(154,52,18,.55),transparent 62%)}.ac-hero__rules{position:absolute;inset:0;opacity:.16;background-image:repeating-linear-gradient(180deg,hsla(0,0%,100%,.9),hsla(0,0%,100%,.9) 1px,transparent 0,transparent 7px);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 55%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 55%)}.ac-hero__body{position:relative;display:flex;flex-direction:column;justify-content:flex-end;height:100%;gap:.5rem;padding:1.25rem}@media (min-width:640px){.ac-hero__body{padding:1.75rem}}.ac-hero__title{color:#fff;font-weight:700;line-height:1.12;letter-spacing:-.015em;text-shadow:0 2px 18px rgba(0,0,0,.45)}.ac-hero__sub{color:hsla(0,0%,100%,.82);text-shadow:0 1px 12px rgba(0,0,0,.5)}.ac-hero__credit{position:absolute;right:.875rem;bottom:.75rem;z-index:1;max-width:45%;text-align:right;font-size:9px;line-height:1.35;letter-spacing:.06em;text-transform:uppercase;color:hsla(0,0%,100%,.55);text-shadow:0 1px 10px rgba(0,0,0,.8);pointer-events:none}@media (max-width:480px){.ac-hero__credit{display:none}}.ac-overline{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--ac-faint)}.ac-overline--accent{color:var(--ac-accent)}.ac-chip{display:inline-flex;align-items:center;gap:.375rem;border-radius:999px;border:1px solid var(--ac-hairline);background:var(--ac-paper);padding:.25rem .625rem;font-size:11px;font-weight:600;color:var(--ac-ink-soft);white-space:nowrap}.ac-chip--free{border-color:#a7f3d0;background:#ecfdf5;color:#047857}.ac-chip--pro{border-color:#fcd34d;background:#fffbeb;color:#92400e}.ac-chip--on-media{border-color:hsla(0,0%,100%,.28);background:rgba(28,25,23,.42);color:hsla(0,0%,100%,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.ac-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem}.ac-stat{border:1px solid var(--ac-hairline);background:var(--ac-paper);border-radius:var(--ac-radius-sm);padding:.625rem .5rem;text-align:center}.ac-stat__value{font-size:15px;font-weight:700;line-height:1.1;color:var(--ac-ink)}.ac-stat__label{margin-top:.125rem;font-size:9px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ac-faint)}.ac-progress{height:6px;border-radius:999px;background:var(--ac-hairline);overflow:hidden}.ac-progress--thin{height:3px}.ac-progress__bar{height:100%;border-radius:999px;background:linear-gradient(90deg,#d97706,var(--ac-accent));transition:width .6s cubic-bezier(.22,1,.36,1)}.ac-progress__bar--done{background:linear-gradient(90deg,#10b981,#047857)}.ac-prose{max-width:var(--ac-measure);font-size:16px;line-height:1.72;color:var(--ac-ink-soft)}.ac-prose>*{margin:0}.ac-prose>*+*{margin-top:1.3rem}.ac-prose strong{font-weight:650;color:var(--ac-ink)}.ac-lede{font-size:17.5px;line-height:1.66;color:var(--ac-ink)}.ac-lede:first-letter{float:left;margin:.16em .09em 0 0;font-family:Georgia,Times New Roman,serif;font-size:3.1em;font-weight:600;line-height:.82;color:var(--ac-accent)}.ac-h{display:flex;align-items:center;gap:.625rem;margin-top:2.25rem!important;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ac-accent-ink)}.ac-h:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--ac-hairline),transparent)}.ac-h3{margin-top:1.75rem!important;font-size:16px;font-weight:700;line-height:1.35;letter-spacing:-.005em;color:var(--ac-ink)}.ac-h+.ac-h3,.ac-h3+*{margin-top:.75rem!important}.ac-tablewrap{border:1px solid var(--ac-hairline);border-radius:var(--ac-radius);background:var(--ac-paper);overflow-x:auto;-webkit-overflow-scrolling:touch}.ac-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.55}.ac-table th{padding:.625rem 1rem;text-align:left;white-space:nowrap;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ac-accent-ink);background:var(--ac-accent-wash);border-bottom:1px solid var(--ac-hairline)}.ac-table td{padding:.6875rem 1rem;vertical-align:top;color:var(--ac-ink-soft)}.ac-table tbody tr+tr td{border-top:1px solid var(--ac-hairline-soft)}.ac-table td:first-child{font-weight:600;color:var(--ac-ink);white-space:nowrap}.ac-list{border:1px solid var(--ac-hairline);border-radius:var(--ac-radius);background:var(--ac-paper);padding:1rem 1.125rem}.ac-list__label{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ac-muted)}.ac-list__intro,.ac-list__label{display:block;margin-bottom:.75rem}.ac-list__intro{padding-bottom:.75rem;border-bottom:1px solid var(--ac-hairline-soft);font-size:14.5px;line-height:1.6;font-weight:600;color:var(--ac-ink)}.ac-list__items{display:flex;flex-direction:column;gap:.625rem;margin:0;padding:0;list-style:none}.ac-list__item{display:flex;align-items:flex-start;gap:.625rem;font-size:15px;line-height:1.62}.ac-list__marker{flex:none;width:6px;height:6px;margin-top:.6em;border-radius:999px;background:var(--ac-accent);opacity:.75}.ac-steps{display:flex;flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;counter-reset:ac-step}.ac-step{display:flex;align-items:flex-start;gap:.75rem;border:1px solid var(--ac-hairline);border-radius:var(--ac-radius-sm);background:var(--ac-paper);padding:.75rem .875rem;font-size:15px;line-height:1.6}.ac-step__num{flex:none;display:grid;place-items:center;width:1.5rem;height:1.5rem;border-radius:999px;background:var(--ac-accent-wash);color:var(--ac-accent-ink);font-size:11px;font-weight:700;font-variant-numeric:tabular-nums}.ac-defs{border:1px solid var(--ac-hairline);border-radius:var(--ac-radius);background:var(--ac-paper);overflow:hidden}.ac-defs__label{padding:.75rem 1.125rem .5rem;border-bottom:1px solid var(--ac-hairline-soft);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ac-muted)}.ac-def{display:grid;gap:.125rem 1rem;padding:.75rem 1.125rem}.ac-defs__intro{padding:.875rem 1.125rem;border-bottom:1px solid var(--ac-hairline-soft);font-size:14.5px;line-height:1.6;font-weight:600;color:var(--ac-ink)}.ac-def+.ac-def,.ac-defs__label+.ac-def{border-top:1px solid var(--ac-hairline-soft)}@media (min-width:560px){.ac-def{grid-template-columns:10.5rem minmax(0,1fr)}}.ac-def__term{font-size:13px;font-weight:700;line-height:1.4;color:var(--ac-accent-ink)}.ac-def__desc{font-size:14.5px;line-height:1.62;color:var(--ac-ink-soft)}.ac-callout{position:relative;display:flex;gap:.75rem;border-left-color:var(--cal-border);border-left-width:1px;border:1px solid var(--cal-border);border-left:var(--ac-rail) solid var(--cal-rail);border-radius:var(--ac-radius);background:var(--cal-bg);padding:.9375rem 1.0625rem}.ac-callout__icon{flex:none;display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:.625rem;background:var(--cal-chip);color:var(--cal-ink)}.ac-callout__body{min-width:0;flex:1}.ac-callout__label{display:block;margin-bottom:.1875rem;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cal-ink)}.ac-callout__text{font-size:15px;line-height:1.66;color:var(--ac-ink);white-space:pre-line}.ac-callout__text strong{color:var(--cal-ink)}.ac-callout--key{--cal-bg:#fffbeb;--cal-border:#fde68a;--cal-rail:#f59e0b;--cal-chip:#fef3c7;--cal-ink:#b45309}.ac-callout--tip{--cal-bg:#ecfdf5;--cal-border:#a7f3d0;--cal-rail:#10b981;--cal-chip:#d1fae5;--cal-ink:#047857}.ac-callout--caution{--cal-bg:#fef2f2;--cal-border:#fecaca;--cal-rail:#ef4444;--cal-chip:#fee2e2;--cal-ink:#b91c1c}.ac-callout--example{--cal-bg:#f0f9ff;--cal-border:#bae6fd;--cal-rail:#0ea5e9;--cal-chip:#e0f2fe;--cal-ink:#0369a1}.ac-callout--practice{--cal-bg:#fff7ed;--cal-border:#fed7aa;--cal-rail:var(--ac-accent);--cal-chip:#ffedd5;--cal-ink:var(--ac-accent-ink)}.ac-callout--note{--cal-bg:#fafaf9;--cal-border:var(--ac-hairline);--cal-rail:#a8a29e;--cal-chip:#f5f5f4;--cal-ink:#57534e}.ac-takeaway{position:relative;overflow:hidden;border:1px solid #fcd34d;border-radius:var(--ac-radius-lg);background:linear-gradient(135deg,#fffbeb,#fff7ed);padding:1.25rem 1.375rem}.ac-takeaway:before{content:"";position:absolute;top:-3.5rem;right:-3rem;width:10rem;height:10rem;border-radius:999px;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 68%);pointer-events:none}.ac-takeaway__text{position:relative;font-size:16.5px;line-height:1.6;font-weight:500;color:#1c1917}.ac-card{border:1px solid var(--ac-hairline);border-radius:var(--ac-radius);background:var(--ac-paper)}.ac-card--muted{background:var(--ac-paper-warm)}.ac-card--interactive{transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.ac-card--interactive:hover{border-color:#d6d3d1;box-shadow:0 12px 28px -20px rgba(68,50,42,.55);transform:translateY(-1px)}.ac-tile{position:relative;overflow:hidden;background:#2c211b}.ac-tile__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.22,1,.36,1)}.ac-card--interactive:hover .ac-tile__img{transform:scale(1.05)}.ac-tile__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,25,23,.05),rgba(28,25,23,.1) 42%,rgba(28,25,23,.78))}.ac-module{border:1px solid var(--ac-hairline);border-radius:var(--ac-radius);background:var(--ac-paper);overflow:hidden}.ac-module+.ac-module{margin-top:.625rem}.ac-module__head{display:flex;align-items:center;gap:.75rem;width:100%;padding:.875rem 1rem;text-align:left;background:transparent;transition:background-color .18s ease}.ac-module__head:hover{background:var(--ac-paper-warm)}.ac-module__badge{flex:none;display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:.75rem;background:var(--ac-accent-wash);font-size:1rem;line-height:1}.ac-lesson-row{display:flex;align-items:center;gap:.75rem;padding:.625rem 1rem;border-top:1px solid var(--ac-hairline-soft);transition:background-color .18s ease}.ac-lesson-row:hover{background:var(--ac-paper-warm)}.ac-lesson-row--current{background:var(--ac-accent-wash)}.ac-readbar{position:absolute;left:0;bottom:-1px;height:2px;background:linear-gradient(90deg,#f59e0b,var(--ac-accent));transition:width .12s linear}.ac-rise{animation:ac-rise .52s cubic-bezier(.22,1,.36,1) both}@keyframes ac-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.ac-progress__bar,.ac-readbar,.ac-rise,.ac-tile__img{animation:none!important;transition:none!important}}@media print{.ac-hero,.ac-readbar,.ac-tile{box-shadow:none}.ac-callout,.ac-card,.ac-defs,.ac-list,.ac-step,.ac-takeaway{break-inside:avoid}.ac-prose{max-width:none}}