:root{--plum: #493751;--plum-dark: #2E2335;--plum-soft: #6B5573;--sage: #A6C9BB;--sage-dark: #7FA899;--cream: #F8F1F2;--navy: #3B3B58;--mauve: #B375A0;--mint: #8FCAB0;--mint-light: #DFEDE6;--sunshine: #F4D35E;--beige: #F4ECDE;--warm-brown: #5C4634;--mid-brown: #8E7559;--peach: #F7D9C4;--peach-dark: #E8A57A;--periwinkle: #A6A6E5;--periwinkle-soft: #DCDCF4;--bg: var(--beige);--surface: var(--cream);--surface-2: #ffffff;--text-heading: var(--plum);--text-body: var(--navy);--text-muted: #6F6F7A;--border-soft: rgba(73, 55, 81, .12);--border: rgba(73, 55, 81, .2);--danger: #C44A4A;--font-display: "Nunito", system-ui, sans-serif;--font-body: "Quicksand", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--r-sm: 8px;--r-md: 12px;--r-card: 16px;--r-chip: 20px;--r-pill: 999px;--shadow-1: 0 1px 2px rgba(73, 55, 81, .06), 0 1px 8px rgba(73, 55, 81, .04);--shadow-2: 0 4px 12px rgba(73, 55, 81, .08), 0 2px 4px rgba(73, 55, 81, .04);--shadow-pop: 0 12px 28px rgba(73, 55, 81, .14), 0 4px 12px rgba(73, 55, 81, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);font-size:15px;line-height:1.6;color:var(--text-body);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--plum);text-decoration:none}.aca-app{min-height:100vh;display:flex;flex-direction:column}.aca-main{flex:1}.aca-eyebrow{font-family:var(--font-display);font-weight:800;font-size:12px;letter-spacing:2.5px;text-transform:uppercase;color:var(--mid-brown);margin:0 0 10px}.aca-btn{font-family:var(--font-display);font-weight:800;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:1.5px solid transparent;border-radius:var(--r-pill);cursor:pointer;line-height:1;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.aca-btn--cta{background:var(--plum);color:var(--cream)}.aca-btn--cta:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);color:var(--cream)}.aca-btn--ghost{background:transparent;color:var(--plum);border-color:var(--border)}.aca-btn--ghost:hover{background:#4937510d}.aca-btn--ghost:disabled{opacity:.4;cursor:not-allowed}.aca-btn--sm{padding:8px 16px;font-size:13px}.aca-btn--lg{padding:15px 28px;font-size:17px}.aca-badge{display:inline-flex;align-items:center;gap:5px;font-family:var(--font-display);font-weight:800;font-size:12px;letter-spacing:.4px;padding:4px 11px;border-radius:var(--r-pill);background:var(--mint-light);color:#2f6b53}.aca-badge--lock{background:var(--periwinkle-soft);color:#4a4a86}.aca-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px clamp(16px,4vw,40px);background:#f8f1f2eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-soft);position:sticky;top:0;z-index:50}.aca-nav__brand{display:flex;align-items:center;gap:10px}.aca-nav__name{font-family:var(--font-display);font-weight:900;font-size:17px;color:var(--plum)}.aca-nav__name em{font-style:normal;color:var(--plum-soft)}.aca-nav__links{display:flex;align-items:center;gap:8px}.aca-nav__links>a:first-child{font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--text-body);padding:8px 12px}@media (max-width: 540px){.aca-nav__links>a:first-child{display:none}}.aca-foot{background:var(--plum-dark);color:#f8f1f299;padding:28px clamp(16px,4vw,40px);text-align:center}.aca-foot__disc{max-width:70ch;margin:0 auto 10px;font-size:12.5px;line-height:1.6}.aca-foot__copy{margin:0;font-size:12px;color:#f8f1f26b}.aca-hub{max-width:1100px;margin:0 auto;padding:clamp(32px,6vw,64px) clamp(16px,4vw,40px) 80px}.aca-hub__hero{max-width:760px;margin-bottom:40px}.aca-hub__hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(30px,5vw,50px);line-height:1.05;letter-spacing:-.02em;color:var(--text-heading);margin:0 0 16px;text-wrap:balance}.aca-hub__dek{font-size:clamp(16px,2vw,19px);color:var(--text-body);margin:0;max-width:64ch;line-height:1.6}.aca-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.aca-chip{font-family:var(--font-display);font-weight:700;font-size:13px;padding:7px 15px;border-radius:var(--r-pill);border:1.5px solid var(--border);background:var(--surface-2);color:var(--text-body);cursor:pointer}.aca-chip.is-active{background:var(--plum);color:var(--cream);border-color:var(--plum)}.aca-grid{display:grid;grid-template-columns:1fr;gap:18px}@media (min-width: 620px){.aca-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 960px){.aca-grid{grid-template-columns:repeat(3,1fr)}}.aca-card{display:flex;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .13s ease,box-shadow .13s ease;color:var(--text-body)}.aca-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}.aca-card__rail{width:6px;flex-shrink:0}.aca-card__inner{display:flex;flex-direction:column;gap:10px;padding:20px 22px;flex:1}.aca-card__top{display:flex;align-items:center;justify-content:space-between;gap:8px}.aca-card__top .aca-eyebrow{margin:0}.aca-card__title{font-family:var(--font-display);font-weight:800;font-size:19px;color:var(--text-heading);line-height:1.2}.aca-card__desc{font-size:14px;color:var(--text-muted);line-height:1.55;flex:1}.aca-card__foot{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:12px;color:var(--mid-brown);padding-top:8px;border-top:1px solid var(--border-soft)}.aca-card__progress{color:#2f6b53;font-weight:600}.aca-empty{max-width:560px;margin:60px auto;text-align:center;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-card);padding:48px 32px}.aca-empty h2{font-family:var(--font-display);font-weight:900;color:var(--plum);margin:0 0 10px;font-size:26px}.aca-empty p{color:var(--text-muted);margin:0 0 22px}.aca-overview__hero{padding:clamp(40px,7vw,88px) clamp(16px,4vw,40px)}.aca-overview__inner{max-width:820px;margin:0 auto}.aca-overview__hero .aca-eyebrow{color:inherit;opacity:.78}.aca-overview__hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(30px,5vw,52px);line-height:1.05;letter-spacing:-.02em;margin:0 0 16px;text-wrap:balance}.aca-overview__dek{font-size:clamp(16px,2vw,20px);line-height:1.55;opacity:.92;margin:0 0 24px;max-width:60ch}.aca-overview__meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:28px;font-family:var(--font-display);font-weight:700;font-size:14px}.aca-overview__meta .aca-badge{color:#2f6b53}.aca-overview__list{max-width:820px;margin:0 auto;padding:clamp(32px,5vw,56px) clamp(16px,4vw,40px) 80px}.aca-overview__list h2{font-family:var(--font-display);font-weight:900;color:var(--plum);font-size:24px;margin:0 0 20px}.aca-lessonlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.aca-lessonlist a{display:flex;align-items:center;gap:16px;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-md);padding:16px 18px;transition:border-color .12s ease,box-shadow .12s ease}.aca-lessonlist a:hover{border-color:var(--sage-dark);box-shadow:var(--shadow-1)}.aca-lessonlist__num{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--mint-light);color:var(--plum);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:900;font-size:14px}.aca-lessonlist__body{flex:1;display:flex;flex-direction:column;gap:2px}.aca-lessonlist__label{font-family:var(--font-mono);font-size:12px;color:var(--mid-brown)}.aca-lessonlist__title{font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--text-heading)}.aca-lessonlist__meta{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);text-align:right;flex-shrink:0}.aca-player__hero{padding:22px clamp(16px,4vw,40px)}.aca-player__hero-inner{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.aca-player__back{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-display);font-weight:700;font-size:14px;color:inherit;opacity:.92}.aca-progress{display:flex;align-items:center;gap:12px}.aca-progress__track{flex:1;height:7px;border-radius:var(--r-pill);background:color-mix(in oklab,currentColor,transparent 80%);overflow:hidden}.aca-progress__fill{height:100%;background:currentColor;border-radius:var(--r-pill);transition:width .22s ease}.aca-progress__label{font-family:var(--font-mono);font-size:12px;opacity:.9;white-space:nowrap}.aca-player__body{max-width:1100px;margin:0 auto;padding:clamp(20px,4vw,36px) clamp(16px,4vw,40px) 80px}.aca-player__body--center{display:flex;justify-content:center}.aca-player__main{min-width:0}@media (min-width: 880px){.aca-player--sidebar .aca-player__body{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start}}.aca-side ol,.aca-top ol{list-style:none;margin:0;padding:0}.aca-side{background:var(--plum);border-radius:var(--r-card);padding:12px;margin-bottom:24px}.aca-side ol{display:flex;gap:6px;overflow-x:auto}.aca-side li button{display:flex;align-items:center;gap:10px;width:max-content;text-align:left;background:transparent;border:0;cursor:pointer;padding:10px 12px;border-radius:var(--r-sm);color:#f8f1f2bf}.aca-side li.is-current button{background:#ffffff1a;color:var(--cream)}.aca-side li button:hover{color:var(--cream)}.aca-side__mark{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:#ffffff24;color:currentColor;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:900;font-size:12px}.aca-side li.is-done .aca-side__mark{background:var(--sage);color:var(--plum)}.aca-side__text{display:flex;flex-direction:column;gap:1px}.aca-side__label{font-family:var(--font-mono);font-size:11px;opacity:.8}.aca-side__title{font-family:var(--font-display);font-weight:700;font-size:13.5px}@media (min-width: 880px){.aca-player--sidebar .aca-side{position:sticky;top:80px;margin-bottom:0}.aca-player--sidebar .aca-side ol{flex-direction:column;overflow:visible}.aca-player--sidebar .aca-side li button{width:100%}}.aca-top{margin-bottom:28px}.aca-top ol{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px}.aca-top li button{display:flex;align-items:center;gap:9px;background:var(--surface-2);border:1.5px solid var(--border-soft);border-radius:var(--r-pill);padding:8px 14px;cursor:pointer;white-space:nowrap;color:var(--text-body);font-family:var(--font-display);font-weight:700;font-size:13px}.aca-top li.is-current button{border-color:var(--plum);background:var(--plum);color:var(--cream)}.aca-top li.is-done button{border-color:var(--sage-dark)}.aca-top .aca-side__mark{width:20px;height:20px;background:var(--mint-light);color:var(--plum)}.aca-top li.is-current .aca-side__mark{background:#fff3;color:var(--cream)}.aca-top li.is-done .aca-side__mark{background:var(--sage);color:var(--plum)}.aca-top .aca-side__label{display:none}.aca-top .aca-side__title{font-size:13px}.aca-lesson__title{font-family:var(--font-display);font-weight:900;font-size:clamp(24px,3.5vw,36px);line-height:1.1;color:var(--text-heading);margin:4px 0 20px;text-wrap:balance}.aca-lesson__controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border-soft);flex-wrap:wrap}.aca-prose{font-size:16px;line-height:1.75;color:var(--text-body);max-width:68ch}.aca-prose p{margin:0 0 1.1em}.aca-prose h3,.aca-prose h4,.aca-prose h5{font-family:var(--font-display);font-weight:800;color:var(--text-heading);line-height:1.25;margin:1.6em 0 .5em}.aca-prose h3{font-size:21px}.aca-prose h4{font-size:18px}.aca-prose h5{font-size:16px}.aca-prose a{color:var(--plum);text-decoration:underline;text-underline-offset:2px}.aca-code{font-family:var(--font-mono);font-size:13.5px;background:var(--mint-light);padding:1px 6px;border-radius:5px;color:var(--plum)}.aca-ul{margin:0 0 1.1em;padding-left:1.2em}.aca-ul li{margin-bottom:.4em}.aca-callout{margin:1.4em 0;padding:16px 20px;background:var(--mint-light);border-left:3px solid var(--sage-dark);border-radius:0 var(--r-md) var(--r-md) 0;font-size:15.5px;color:var(--plum);line-height:1.6}.aca-checklist{list-style:none;margin:1.2em 0;padding:0;display:flex;flex-direction:column;gap:8px}.aca-checklist li{background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-md);transition:border-color .12s ease}.aca-checklist li.is-checked{border-color:var(--sage-dark);background:var(--mint-light)}.aca-checklist label{display:flex;align-items:flex-start;gap:12px;padding:13px 16px;cursor:pointer;font-size:15.5px;line-height:1.5}.aca-checklist input{width:18px;height:18px;margin-top:2px;accent-color:var(--sage-dark);flex-shrink:0}.aca-checklist li.is-checked span{color:var(--plum-soft)}.aca-embed{margin:1.6em 0 0}.aca-embed__label{font-family:var(--font-display);font-weight:800;font-size:13px;color:var(--mid-brown);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:10px}.aca-embed iframe{width:100%;height:560px;border:1px solid var(--border-soft);border-radius:var(--r-card);background:var(--surface-2)}.aca-embed__open{display:inline-block;margin-top:10px;font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--plum);text-decoration:underline}.aca-video{margin:0 0 1.6em}.aca-video iframe,.aca-video video{width:100%;aspect-ratio:16 / 9;border:0;border-radius:var(--r-card);background:#000;display:block}.aca-complete{max-width:560px;margin:20px auto;text-align:center;padding:24px}.aca-complete__badge{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:var(--mint-light);color:#2f6b53;margin-bottom:18px}.aca-complete h1{font-family:var(--font-display);font-weight:900;color:var(--plum);font-size:clamp(26px,4vw,38px);margin:0 0 12px;text-wrap:balance}.aca-complete__lede{font-size:17px;color:var(--text-body);margin:0 0 28px}.aca-complete__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.aca-gate{width:100%;display:flex;justify-content:center;padding:20px 0 40px}.aca-gate__card{max-width:520px;width:100%;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-card);padding:clamp(28px,5vw,44px);box-shadow:var(--shadow-2)}.aca-gate__card h2{font-family:var(--font-display);font-weight:900;color:var(--plum);font-size:clamp(24px,4vw,32px);margin:0 0 12px;line-height:1.12}.aca-gate__lede{color:var(--text-body);font-size:16px;line-height:1.6;margin:0 0 22px}.aca-gate__actions{display:flex;flex-direction:column;gap:10px}.aca-gate__fine{font-size:12.5px;color:var(--text-muted);line-height:1.55;margin:18px 0 0}.aca-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.aca-field label{font-family:var(--font-body);font-weight:600;font-size:14px;color:var(--text-body)}.aca-field input{font:inherit;font-weight:500;color:var(--text-body);background:#fff;border:1.5px solid var(--border);border-radius:var(--r-sm);padding:12px 14px;width:100%}.aca-field input:focus{outline:none;border-color:var(--plum);box-shadow:0 0 0 4px #4937511f}.aca-field input.is-error{border-color:var(--danger)}.aca-field__help.is-error{color:var(--danger);font-size:13px}.aca-gate form .aca-btn--cta{width:100%}.aca-badge--free{background:var(--mint-light);color:#2f6b53}.aca-badge--meta{background:var(--beige);color:var(--mid-brown)}.aca-badge--audience{letter-spacing:1px}.aca-badge-row{display:flex;gap:6px;flex-wrap:wrap}.aca-hub{max-width:1100px;margin:0 auto;padding:0 0 80px}.aca-hub__hero{background:#1c1025;padding:clamp(48px,8vw,96px) clamp(16px,5vw,64px) clamp(40px,6vw,72px)}.aca-hub__hero .aca-eyebrow{color:var(--peach-dark)}.aca-hub__hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(30px,5vw,54px);line-height:1.05;letter-spacing:-.02em;color:var(--cream);margin:0 0 16px;text-wrap:balance}.aca-hub__dek{font-size:clamp(16px,2vw,19px);color:#f8f1f2c7;margin:0;max-width:60ch;line-height:1.6}.aca-hub__section{padding:clamp(40px,6vw,64px) clamp(16px,5vw,64px)}.aca-hub__section-head{margin-bottom:28px;max-width:680px}.aca-hub__section-head h2{font-family:var(--font-display);font-weight:900;font-size:clamp(24px,3.5vw,36px);color:var(--plum);margin:0 0 10px}.aca-hub__section-dek{color:var(--text-muted);margin:0;font-size:15.5px}.aca-track{padding:clamp(40px,6vw,64px) clamp(16px,5vw,64px);background:var(--beige);border-top:1px solid var(--border-soft)}.aca-track__head{margin-bottom:28px;max-width:760px;display:flex;flex-direction:column;gap:8px}.aca-track__head .aca-eyebrow{color:var(--track-accent, var(--plum));margin:0}.aca-track__head h2{font-family:var(--font-display);font-weight:900;font-size:clamp(22px,3vw,32px);color:var(--text-heading);margin:0}.aca-track__dek{color:var(--text-muted);margin:0;font-size:15.5px}.aca-track__count{display:inline-block;font-family:var(--font-display);font-weight:800;font-size:12.5px;color:var(--track-accent, var(--plum));background:color-mix(in oklab,var(--track-accent, var(--plum)),transparent 88%);padding:4px 12px;border-radius:var(--r-pill);width:fit-content}.aca-card__audience{font-size:11px;letter-spacing:2px;color:var(--mid-brown);margin:0}.aca-card__meta{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);white-space:nowrap}.aca-card__instructor{font-family:var(--font-mono);font-size:12px;color:var(--mid-brown)}.aca-hub__celiac-callout{margin:0 clamp(16px,5vw,64px);padding:24px 28px;background:var(--periwinkle-soft);border:1px solid var(--periwinkle);border-radius:var(--r-card);margin-bottom:20px}.aca-hub__celiac-callout-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.aca-hub__celiac-callout-body .aca-eyebrow{color:var(--navy);margin-bottom:6px}.aca-hub__celiac-callout-body p{margin:0;font-size:15px;line-height:1.55;color:var(--navy)}.aca-celiac-callout{display:flex;gap:14px;padding:16px 20px;background:var(--periwinkle-soft);border:1px solid var(--periwinkle);border-radius:var(--r-md);margin:0 0 28px}.aca-celiac-callout__icon{flex-shrink:0;color:var(--navy);margin-top:2px}.aca-celiac-callout__body{font-size:14.5px;color:var(--navy);line-height:1.6}.aca-celiac-callout__body strong{display:block;margin-bottom:4px;font-family:var(--font-display);font-weight:800}.aca-celiac-callout__body p{margin:0 0 8px}.aca-celiac-callout__body a{color:var(--navy);font-weight:700;text-decoration:underline;text-underline-offset:2px;display:inline-flex;align-items:center;gap:4px}.aca-complete__recap{margin:0 0 28px}.aca-complete__disc{font-size:12.5px;color:var(--text-muted);line-height:1.6;max-width:48ch;margin:28px auto 0}.is-complete-slide .aca-side__mark{opacity:.6}.aca-overview__badges{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px}.aca-overview__badges .aca-badge{font-size:13px;padding:5px 13px}.aca-overview__sub{display:flex;align-items:center;gap:10px;font-size:14px;color:inherit;opacity:.75;margin-bottom:28px}.aca-overview__sep{opacity:.5}.aca-overview__body{display:grid;grid-template-columns:1fr;gap:32px;max-width:1000px;margin:0 auto;padding:clamp(32px,5vw,52px) clamp(16px,4vw,40px) 80px}@media (min-width: 780px){.aca-overview__body{grid-template-columns:1fr 380px;align-items:start}}.aca-overview__list-wrap h2{font-family:var(--font-display);font-weight:900;color:var(--plum);font-size:24px;margin:0 0 18px}.aca-lessonlist__num--check{background:var(--mint-light);color:#2f6b53;font-size:15px}.aca-lessonlist__complete{opacity:.65}.aca-overview__disc{border-top:1px solid var(--border-soft);padding:20px clamp(16px,4vw,40px);text-align:center;font-size:12.5px;color:var(--text-muted);line-height:1.6}.aca-overview__disc p{margin:0 0 6px}.aca-overview__disc p:last-child{margin:0;color:#49375180}.aca-gate-panel{background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-2);position:sticky;top:90px}.aca-gate-panel .aca-eyebrow{color:var(--mid-brown)}.aca-gate-panel h3{font-family:var(--font-display);font-weight:900;color:var(--plum);font-size:22px;margin:0 0 10px}.aca-gate-panel p{font-size:14.5px;color:var(--text-muted);line-height:1.6;margin:0 0 18px}.aca-gate-panel .aca-btn{width:100%;margin-bottom:8px}.aca-gate-panel--founding{border-color:var(--periwinkle)}.aca-gate-panel__actions{display:flex;flex-direction:column;gap:8px}