@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

body.editorial-pilot{--ink:#162579;--accent:#ed542e;--sun:#f5df93;--paper:#f8efcf;--tile:#fffdf3;--rule:#233273;background:var(--paper);color:var(--ink);font-family:'Atkinson Hyperlegible',Arial,sans-serif;line-height:1.45}
body.editorial-pilot h1,body.editorial-pilot h2,body.editorial-pilot h3{font-family:'Space Grotesk',Arial,sans-serif;letter-spacing:-.065em;font-weight:700}
body.editorial-pilot .shell{width:min(1280px,calc(100% - 64px));margin-inline:auto}
body.editorial-pilot a:focus-visible,body.editorial-pilot button:focus-visible,body.editorial-pilot summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.board-navigation{position:fixed;top:16px;right:24px;z-index:20;display:flex;align-items:center;gap:0;background:var(--ink);color:#fff;border:2px solid var(--ink);box-shadow:4px 4px 0 #7b88c2;font-family:'Space Grotesk',sans-serif;font-size:.8rem;font-weight:700}
.board-home{display:grid;place-items:center;width:45px;height:39px;border-right:1px solid #7884bd;font-size:1.08rem;letter-spacing:-.11em}
.board-menu{position:relative}
.board-menu summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;padding:10px 13px}
.board-menu summary::-webkit-details-marker{display:none}
.board-menu summary span{font-size:1rem;line-height:1}
.board-menu[open] summary span{transform:rotate(45deg)}
.board-menu>div{position:absolute;right:-2px;top:calc(100% + 2px);width:235px;display:grid;background:#fffdf3;border:2px solid var(--ink);color:var(--ink);box-shadow:4px 4px 0 #7b88c2}
.board-menu a{padding:10px 14px;border-bottom:1px solid #b5b9d4}
.board-menu a:last-child{border-bottom:0}
.board-menu a:hover,.board-menu a[aria-current]{background:var(--sun)}
.letter-board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-auto-rows:155px;margin-top:74px;border-top:2px solid var(--rule);border-left:2px solid var(--rule);background:var(--rule)}
.board-cover{grid-column:span 3;grid-row:span 2;background:var(--ink);color:#fff;display:flex;flex-direction:column;padding:21px 25px 19px;border-right:2px solid var(--rule);border-bottom:2px solid var(--rule);min-width:0}
.board-cover-label,.board-cover-foot,.board-letter small,.board-letter span,.reading-copy>span,.board-routes span,.board-routes small,.lesson-path,.lesson-folio,.lesson-section-label>span,.lesson-observation>span{font:700 .67rem/1.35 'Space Grotesk',sans-serif;letter-spacing:.08em;text-transform:uppercase}
.board-cover-label{color:#d5dcff}
body.editorial-pilot .board-cover h1{font-size:clamp(2.5rem,4.1vw,5.2rem);line-height:.94;letter-spacing:-.075em;margin:auto 0 13px}
.board-cover h1 span{color:var(--sun)}
.board-cover p{font-size:.89rem;max-width:390px;line-height:1.35;margin:0 0 22px;color:#f1f2ff}
.board-cover-foot{color:var(--sun);border-top:1px solid #7987c0;padding-top:12px}
.board-letter{background:var(--tile);display:flex;flex-direction:column;justify-content:space-between;gap:2px;padding:10px 12px 8px;min-width:0;border-right:2px solid var(--rule);border-bottom:2px solid var(--rule);transition:background .16s,transform .16s}
.board-letter:hover,.board-letter:focus-visible{background:var(--sun);transform:translateY(-3px);position:relative;z-index:1}
.board-letter small{color:#5e68a4}
.board-letter strong{font:700 clamp(3.5rem,5.6vw,6.5rem)/.85 'Space Grotesk',sans-serif;letter-spacing:-.1em;align-self:center}
.board-letter span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#6c5e4f}
.board-letter.vowel{background:#f5e4ad}
.board-letter.vowel:hover{background:#ffce76}
.board-letter.enye{background:#d8e4eb}
.board-letter.enye:hover{background:#b9dce8}
.board-end{grid-column:span 7;background:var(--ink);color:#fff;display:flex;align-items:center;gap:22px;padding:18px 24px;border-right:2px solid var(--rule);border-bottom:2px solid var(--rule)}
.board-end:hover{background:#3044a2}
.board-end span{font:700 .7rem 'Space Grotesk',sans-serif;letter-spacing:.08em;color:var(--sun)}
.board-end strong{font:700 clamp(1.3rem,2.4vw,2.3rem) 'Space Grotesk',sans-serif;letter-spacing:-.04em}
.board-end b{font-size:1.8rem;margin-left:auto}
.board-reading{display:grid;grid-template-columns:190px minmax(0,1fr);gap:0;border:2px solid var(--rule);border-top:0;background:#d8e4eb}
.reading-marker{display:flex;flex-direction:column;justify-content:space-between;padding:16px;border-right:2px solid var(--rule);font:700 .75rem 'Space Grotesk',sans-serif}
.reading-marker strong{font:700 10rem/.7 'Space Grotesk',sans-serif;letter-spacing:-.16em}
.reading-copy{padding:20px 26px 24px}
.reading-copy>span{color:#6074a4}
body.editorial-pilot .reading-copy h2{font-size:clamp(2rem,4vw,4rem);line-height:1.02;margin:8px 0 13px}
.reading-copy p{max-width:650px;margin:0 0 16px;font-size:1rem;color:#2d3d70}
.reading-copy p em{font-weight:700;font-style:normal}
.reading-copy a{display:inline-block;background:var(--ink);color:white;padding:9px 12px;font-weight:700;font-size:.83rem}
.reading-copy a:hover{background:var(--accent)}
.board-routes{display:grid;grid-template-columns:repeat(3,1fr);border-left:2px solid var(--rule);margin-bottom:60px}
.board-routes a{display:grid;grid-template-columns:1fr auto;gap:7px;padding:17px 18px;background:var(--tile);border-right:2px solid var(--rule);border-bottom:2px solid var(--rule)}
.board-routes a:hover{background:var(--sun)}
.board-routes span{grid-column:1/-1;color:var(--accent)}
.board-routes strong{grid-column:1;font:700 1.35rem 'Space Grotesk',sans-serif;letter-spacing:-.04em}
.board-routes small{grid-column:1;color:#686c90}
.board-routes b{grid-column:2;grid-row:2/4;align-self:center}
.pilot-footer{width:min(1280px,calc(100% - 64px));margin:0 auto 30px;display:flex;justify-content:space-between;gap:16px;border-top:2px solid var(--rule);padding-top:14px;font:700 .67rem 'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:.05em}
.pilot-footer a{text-decoration:underline;text-underline-offset:3px}
.lesson-path{padding-top:78px;padding-bottom:12px;color:#52619d}
.lesson-path a{text-decoration:underline;text-underline-offset:3px}
.lesson-title{background:var(--sun);border:2px solid var(--rule);padding:22px 26px 25px;margin-bottom:34px}
.lesson-folio{display:flex;justify-content:space-between;gap:15px;padding-bottom:10px;border-bottom:1px solid #8290b6;color:#56618a}
body.editorial-pilot .lesson-title h1{font-size:clamp(2.5rem,4.8vw,5rem);line-height:1.02;max-width:1000px;margin:25px 0 15px}
.lesson-title h1 em{font-style:normal;color:var(--accent)}
.lesson-title>p{max-width:720px;font-size:1.12rem;margin:0 0 18px}
.lesson-tools{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.lesson-tools button{background:var(--ink);border:0;border-radius:0;color:#fff;padding:11px 14px;font-weight:700;font-size:.85rem}
.lesson-tools button:hover{background:var(--accent)}
.lesson-tools a{font-weight:700;font-size:.85rem;text-decoration:underline;text-underline-offset:3px}
.lesson-reading{margin-bottom:27px}
.lesson-section-label{display:grid;grid-template-columns:160px 1fr;gap:10px 22px;align-items:baseline;margin-bottom:18px}
.lesson-section-label>span{grid-row:1/3;color:var(--accent)}
body.editorial-pilot .lesson-section-label h2{font-size:clamp(1.6rem,3.1vw,2.8rem);margin:0}
.lesson-section-label p{grid-column:2;max-width:780px;margin:0;color:#405079}
.word-ledger{list-style:none;margin:0;padding:0;border-top:2px solid var(--rule);border-left:2px solid var(--rule)}
.word-ledger li{display:grid;grid-template-columns:55px minmax(110px,.8fr) minmax(90px,.55fr) minmax(150px,1.5fr);gap:14px;align-items:center;min-height:86px;background:var(--tile);border-right:2px solid var(--rule);border-bottom:2px solid var(--rule);padding:11px 16px}
.word-ledger li:nth-child(even){background:#d8e4eb}
.word-ledger li>span{font:700 .75rem 'Space Grotesk',sans-serif;color:var(--accent)}
.word-ledger strong{font:700 clamp(1.4rem,2.2vw,2.2rem) 'Space Grotesk',sans-serif}
.word-ledger small{font-weight:700;color:#6a689a}
.word-ledger p{margin:0;color:#3e4d72;font-size:.91rem}
.lesson-observation{background:#d8e4eb;border:2px solid var(--rule);padding:20px 25px}
.lesson-observation>span{color:#5366a5}
.lesson-observation blockquote{font:700 clamp(1.4rem,2.8vw,2.6rem)/1.2 'Space Grotesk',sans-serif;letter-spacing:-.04em;max-width:900px;margin:14px 0}
.lesson-observation>p{margin:0;color:#465679}
body.editorial-pilot .letter-sheet-wrap{padding-top:45px;padding-bottom:45px}
body.editorial-pilot .letter-sheet{border:2px solid var(--rule);border-radius:0;box-shadow:none;background:var(--tile)}
.lesson-next{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:45px}
.lesson-next a{font-weight:700;text-decoration:underline;text-underline-offset:3px}
@media(max-width:1050px){.letter-board{grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:145px}.board-cover{grid-column:span 3}.board-letter strong{font-size:4.7rem}.board-end{grid-column:span 3;display:block}.board-end strong{display:block;margin-top:12px}.board-end b{float:right}}
@media(max-width:640px){body.editorial-pilot .shell,.pilot-footer{width:calc(100% - 24px)}.board-navigation{top:9px;right:12px}.letter-board{margin-top:62px;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:106px}.board-cover{grid-column:span 4;grid-row:span 2;padding:15px 16px}.board-cover-label,.board-cover-foot{font-size:.57rem}body.editorial-pilot .board-cover h1{font-size:3.05rem;margin:auto 0 7px}.board-cover p{font-size:.78rem;margin-bottom:9px}.board-letter{padding:6px}.board-letter small,.board-letter span{font-size:.51rem}.board-letter strong{font-size:3rem}.board-end{grid-column:span 1;display:grid;place-items:center;padding:5px}.board-end span,.board-end strong{display:none}.board-end b{float:none;margin:0;font-size:2rem}.board-reading{grid-template-columns:80px 1fr}.reading-marker{padding:10px}.reading-marker strong{font-size:5rem}.reading-copy{padding:12px}.reading-copy>span{font-size:.55rem}body.editorial-pilot .reading-copy h2{font-size:1.7rem}.reading-copy p{font-size:.85rem}.board-routes{grid-template-columns:1fr;margin-bottom:35px}.pilot-footer{display:block;font-size:.58rem}.pilot-footer a{display:block;margin-top:8px}.lesson-path{padding-top:68px;font-size:.58rem}.lesson-title{padding:12px;margin-bottom:23px}.lesson-folio span:last-child{display:none}body.editorial-pilot .lesson-title h1{font-size:2.5rem;margin:20px 0 12px}.lesson-title>p{font-size:1rem}.lesson-tools{align-items:stretch;flex-direction:column}.lesson-tools button{width:100%}.lesson-section-label{display:block}.lesson-section-label>span{display:block;margin-bottom:10px}body.editorial-pilot .lesson-section-label h2{font-size:2rem}.word-ledger li{grid-template-columns:27px 1fr;gap:4px;padding:9px}.word-ledger small,.word-ledger p{grid-column:2}.lesson-observation{padding:15px}.lesson-next{margin-bottom:25px}}
@media print{body.editorial-pilot{background:white;color:black}.board-navigation,.pilot-footer{display:none!important}body.editorial-pilot .shell{width:100%}body.editorial-pilot.letter-page .letter-sheet{background:white;border:0;padding:0}}

/* The board is a learning surface, not a boxed dashboard: softer edges and
   restrained movement keep the letters in focus. */
body.editorial-pilot{--ink:#263a78;--accent:#d95843;--sun:#ffe0a9;--paper:#f7f5ed;--tile:#fffefa;--rule:#d8dad6;background:radial-gradient(circle at 90% 8%,#e8e7f8 0,transparent 30%),var(--paper)}
.board-navigation{border:0;border-radius:999px;box-shadow:0 9px 25px #25336b29;background:#263a78}
.board-home{border-right:1px solid #ffffff5c}
.board-menu>div{border:1px solid #dcdde5;border-radius:17px;overflow:hidden;box-shadow:0 15px 35px #25336b2e}
.letter-board{border:0;background:transparent;gap:10px;grid-auto-rows:155px}
.board-cover{border:0;border-radius:28px 28px 70px 28px;background:linear-gradient(135deg,#263a78 0%,#3e51a0 65%,#554a98 100%);box-shadow:0 15px 30px #35418128;position:relative;isolation:isolate;overflow:hidden}
.board-cover::before{content:'';position:absolute;width:250px;height:250px;border:2px solid #ffdfab66;border-radius:50%;right:-72px;top:-75px;z-index:-1}
.board-cover::after{content:'ñ';position:absolute;font:700 13rem/.8 'Space Grotesk',sans-serif;right:12px;bottom:7px;color:#f8ab7c50;transform:rotate(-16deg);z-index:-1}
.board-cover>*{position:relative;z-index:1}
.board-cover-foot{border-top-color:#c0c9eb80}
.board-letter{border:1px solid #dedfdb;border-radius:19px;background:#fffefa;box-shadow:0 4px 0 #e7e5de;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s ease,background .28s ease;transform-origin:center bottom}
.board-letter:hover,.board-letter:focus-visible{background:#ffe8b9;transform:translateY(-7px) rotate(-1deg);box-shadow:0 13px 22px #35418128}
.board-letter.vowel{background:#fff1d9}
.board-letter.vowel:hover{background:#ffdda2}
.board-letter.enye{background:#e4f0ef}
.board-letter.enye:hover{background:#cce9e5}
.board-letter strong{font-weight:600;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.board-letter:hover strong,.board-letter:focus-visible strong{transform:scale(1.12) rotate(3deg)}
.board-end{border:0;border-radius:22px 55px 22px 22px;background:linear-gradient(110deg,#5266a7,#354780);box-shadow:0 5px 0 #e1e0dc;transition:transform .28s ease,box-shadow .28s ease}
.board-end:hover{background:linear-gradient(110deg,#6178bd,#354780);transform:translateY(-4px);box-shadow:0 10px 20px #35418130}
.board-reading{margin-top:27px;border:0;border-radius:26px 70px 26px 26px;background:#dcece9;overflow:hidden;box-shadow:0 8px 24px #324f6830}
.reading-marker{border-right:1px solid #aac7c5;background:#cce1dd}
.reading-copy a{border-radius:999px;transition:transform .25s ease,background .25s ease}
.reading-copy a:hover{transform:translateX(4px)}
.board-routes{border:0;gap:14px;margin-top:16px}
.board-routes a{border:1px solid #e1e0dc;border-radius:22px;background:#fffefa;box-shadow:0 4px 0 #e9e5dd;transition:transform .25s ease,box-shadow .25s ease,background .25s ease}
.board-routes a:hover{background:#fff1d9;transform:translateY(-5px);box-shadow:0 11px 21px #35418124}
.board-routes a:nth-child(2){background:#edeafa}
.board-routes a:nth-child(3){background:#e4f0ef}
.lesson-title{border:0;border-radius:28px 28px 70px 28px;background:linear-gradient(115deg,#ffe5b8,#ffefcf);box-shadow:0 8px 26px #95754e1c}
.lesson-folio{border-bottom-color:#c6bda4}
.lesson-tools button{border-radius:999px;transition:transform .25s ease,background .25s ease}
.lesson-tools button:hover{transform:translateY(-3px)}
.word-ledger{border:0;display:grid;gap:9px}
.word-ledger li{border:1px solid #d9dfdf;border-radius:15px;box-shadow:0 3px 0 #e8e9e4;background:#fffefa;transition:transform .25s ease,box-shadow .25s ease}
.word-ledger li:nth-child(even){background:#e4f0ef}
.word-ledger li:hover{transform:translateX(5px);box-shadow:0 5px 15px #3541811f}
.lesson-observation{border:0;border-radius:16px 55px 16px 16px;background:#e9e8f7}
body.editorial-pilot .letter-sheet{border-color:#e1e0dc;border-radius:18px;box-shadow:0 7px 25px #3541811c}
@media(prefers-reduced-motion:no-preference){
  @keyframes board-appear{from{opacity:0}to{opacity:1}}
  @keyframes board-rise{from{transform:translateY(12px)}to{transform:translateY(0)}}
  @keyframes cover-drift{0%,100%{transform:translateY(0) rotate(-16deg)}50%{transform:translateY(-11px) rotate(-12deg)}}
  .letter-board{animation:board-rise .7s cubic-bezier(.2,.8,.2,1) both}
  .board-cover,.board-letter,.board-end{animation:board-appear .55s both;animation-delay:calc(var(--tile-order,0) * 18ms)}
  .board-cover::after{animation:cover-drift 9s ease-in-out infinite}
  .board-reading,.board-routes{animation:board-appear .7s both;animation-delay:.22s}
}
@media(max-width:1050px){.letter-board{grid-auto-rows:145px}}
@media(max-width:640px){.letter-board{grid-auto-rows:106px;gap:5px}.board-cover{border-radius:18px 18px 35px 18px}.board-cover::after{font-size:8rem;right:3px;bottom:5px}.board-cover::before{width:135px;height:135px;right:-50px;top:-43px}.board-letter{border-radius:10px;box-shadow:0 2px 0 #e7e5de}.board-end{border-radius:10px 20px 10px 10px}.board-reading{border-radius:18px 35px 18px 18px;margin-top:14px}.board-routes{gap:9px}.board-routes a{border-radius:15px}.lesson-title{border-radius:18px 18px 36px 18px}.word-ledger li{grid-template-columns:27px 1fr}.lesson-observation{border-radius:14px 35px 14px 14px}}
@media(prefers-reduced-motion:reduce){.letter-board,.board-cover,.board-letter,.board-end,.board-reading,.board-routes,.board-cover::after{animation:none!important;transition:none!important}}
@media print{body.editorial-pilot .letter-sheet{border:0;border-radius:0;box-shadow:none}}

/* Reading layer: an answer, an activity and a distinction worth remembering. */
.home-explainer{padding:20px 0 70px;border-top:1px solid #c9cbd6}
.editorial-kicker{display:flex;justify-content:space-between;gap:15px;color:#6b7296;font:700 .69rem 'Space Grotesk',sans-serif;letter-spacing:.1em}
.explainer-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.82fr);gap:clamp(35px,7vw,100px);padding-top:28px;align-items:start}
body.editorial-pilot .explainer-body h2{font-size:clamp(2.6rem,4.4vw,5.1rem);line-height:1.03;margin:0;max-width:700px}
.explainer-body h2 em{font-style:normal;color:#d95843}
.explainer-prose{max-width:650px;font-size:1.04rem;line-height:1.65;color:#3c4569}
.explainer-prose p{margin:0 0 18px}
.explainer-prose>a,.home-clarity a,.home-practice a{color:#263a78;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;font-weight:700}
.home-method{padding:38px clamp(25px,5vw,70px) 44px;background:#eceafa;border-radius:30px 70px 30px 30px;position:relative;overflow:hidden;margin-bottom:42px}
.home-method::before{content:'';position:absolute;right:-70px;top:-100px;width:290px;height:290px;border:1px solid #9c9ad157;border-radius:50%;pointer-events:none}
.method-heading{max-width:720px;position:relative}
.method-heading>span,.home-clarity>div>span,.home-practice>div>span{font:700 .7rem 'Space Grotesk',sans-serif;letter-spacing:.1em;color:#6e66a9}
body.editorial-pilot .method-heading h2{font-size:clamp(2.4rem,4.2vw,4.5rem);line-height:1.04;margin:12px 0 17px}
.method-heading p{max-width:610px;font-size:1.04rem;color:#464b72;margin:0 0 27px}
.method-list{list-style:none;display:grid;gap:0;margin:0;padding:0;border-top:1px solid #b8b5d4}
.method-list li{display:grid;grid-template-columns:180px 1fr;gap:28px;padding:21px 0;border-bottom:1px solid #b8b5d4}
.method-list li>span{font:700 .77rem 'Space Grotesk',sans-serif;letter-spacing:.08em;color:#d95843;padding-top:8px}
body.editorial-pilot .method-list h3{font-size:clamp(1.4rem,2vw,2.1rem);margin:0 0 8px}
.method-list p{margin:0 0 9px;max-width:730px;color:#4a4d70;line-height:1.6}
.method-list a{display:inline-block;color:#263a78;text-decoration:underline;text-underline-offset:4px;font-weight:700;font-size:.9rem;transition:transform .2s ease}
.method-list a:hover{transform:translateX(4px)}
.home-clarity{display:grid;grid-template-columns:200px minmax(0,1fr);gap:35px;padding:33px 42px;background:#dcece9;border-radius:70px 26px 26px 26px;margin-bottom:48px;align-items:center}
.clarity-letter{font:600 12rem/.85 'Space Grotesk',sans-serif;letter-spacing:-.14em;color:#356d78;text-align:center;transform:rotate(-8deg)}
.home-clarity>div>span{color:#4d7e84}
body.editorial-pilot .home-clarity h2{font-size:clamp(2.3rem,3.8vw,4rem);margin:8px 0 17px}
.home-clarity p{font-size:1.03rem;max-width:780px;color:#35525b;line-height:1.6;margin:0 0 12px}
.home-practice{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.85fr);gap:clamp(30px,7vw,95px);padding:10px 0 72px}
body.editorial-pilot .home-practice h2{font-size:clamp(2.2rem,3.5vw,4rem);line-height:1.06;margin:12px 0 0}
.home-practice p{font-size:1.03rem;color:#44516b;line-height:1.6;margin:0 0 18px}
@media(max-width:850px){.explainer-body,.home-practice{grid-template-columns:1fr;gap:23px}.home-clarity{grid-template-columns:120px 1fr;gap:20px}.clarity-letter{font-size:8rem}}
@media(max-width:640px){.home-explainer{padding:15px 0 47px}.editorial-kicker{font-size:.59rem}.explainer-body{padding-top:20px}.explainer-prose{font-size:.98rem}body.editorial-pilot .explainer-body h2{font-size:2.55rem}.home-method{padding:24px 18px;border-radius:20px 40px 20px 20px;margin-bottom:20px}.method-list li{grid-template-columns:1fr;gap:2px;padding:18px 0}.method-list li>span{padding-top:0}.home-clarity{grid-template-columns:1fr;gap:0;padding:24px 20px;border-radius:40px 20px 20px 20px;margin-bottom:30px}.clarity-letter{font-size:6rem;text-align:left;line-height:.85}.home-practice{padding-bottom:38px}}
