/* OPEN SENTENCE DESIGN DNA
   Approved direction: Annotated Classroom — warm ruled paper, torn edges, marker red,
   cobalt/mustard/vermilion topic tabs, oversized lesson headline, documentary photo
   collage, handwritten annotations, audio strip and semantic sentence diagrams. */
:root{--ink:#111214;--paper:#f7f1e5;--sheet:#fffaf0;--red:#e63b31;--blue:#1757b8;--yellow:#f2c62e;--gray:#dad6cd;--muted:#625f59;--rule:rgba(42,92,155,.17);--line:#bbb3a4;--max:1440px;--sans:Arial,Helvetica,sans-serif;--hand:"Segoe Print","Bradley Hand","Comic Sans MS",cursive;--serif:Georgia,"Times New Roman",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);line-height:1.55;background-image:linear-gradient(var(--rule) 1px,transparent 1px);background-size:100% 34px;overflow-x:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit}button,input,textarea,select{font:inherit}button{cursor:pointer}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:999}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.site-header{position:relative;z-index:20;background:rgba(255,250,240,.96);border-top:2px solid #d7d0c2;border-bottom:1px solid #c9c0b1;box-shadow:0 7px 0 rgba(51,41,26,.08)}.site-header:after{content:"";position:absolute;bottom:-9px;left:0;width:100%;height:10px;background:linear-gradient(135deg,transparent 6px,#f5eee1 0) 0 0/14px 10px repeat-x}.header-inner{min-height:116px;display:flex;align-items:center;gap:44px}.brand{display:inline-flex;flex-direction:column;text-decoration:none;font-family:var(--hand);font-weight:900;font-size:30px;line-height:.83;letter-spacing:1px;transform:rotate(-2deg);margin-right:auto}.brand span:last-child{position:relative}.brand span:last-child:after{content:"";position:absolute;height:4px;background:var(--red);left:2px;right:-8px;bottom:-8px;transform:rotate(-3deg)}.nav-toggle{display:none;border:2px solid var(--ink);background:var(--yellow);padding:8px 11px;font-weight:800}.main-nav{display:flex;align-items:center;gap:36px;font-family:var(--hand);font-weight:700;text-transform:uppercase;font-size:14px}.main-nav a{text-decoration:none;position:relative}.main-nav a:hover:after,.main-nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--red);transform:rotate(-2deg)}
.hero{padding:62px 0 22px;background:rgba(247,241,229,.72)}.hero-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;gap:34px}.hero-copy{padding-left:18px}.eyebrow,.scribble{font-family:var(--hand);color:var(--blue);font-weight:700}.hero h1{font-size:clamp(64px,7.4vw,112px);line-height:.83;letter-spacing:-6px;margin:12px 0 30px;max-width:700px}.hero h1 .circled{position:relative}.hero h1 .circled:after{content:"";position:absolute;border:3px solid var(--red);border-radius:50%;inset:-5px -5px -1px -9px;transform:rotate(10deg)}.hero h1 .dot{color:var(--red)}.hero-note{font-family:var(--hand);font-size:20px;max-width:190px;transform:rotate(-3deg);margin:0 0 18px 8px;border-bottom:3px solid var(--red)}.audio-strip{display:flex;align-items:center;gap:14px;max-width:470px;padding:8px 12px;background:rgba(255,255,255,.4);border:1px solid #d7d0c3;border-radius:30px}.play-btn{flex:0 0 38px;width:38px;height:38px;border:0;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;display:grid;place-items:center;padding:0}.play-btn svg{width:20px;height:20px;display:block}.play-btn .play-icon{transform:translateX(1px)}.wave{position:relative;height:28px;flex:1;border:0;padding:0;background:repeating-linear-gradient(90deg,#9aa4af 0 2px,transparent 2px 5px);clip-path:polygon(0 45%,5% 30%,10% 55%,15% 15%,20% 70%,25% 34%,30% 58%,35% 22%,40% 80%,45% 28%,50% 60%,55% 13%,60% 75%,65% 35%,70% 56%,75% 23%,80% 70%,85% 38%,90% 58%,95% 32%,100% 50%,100% 53%,95% 63%,90% 47%,85% 72%,80% 30%,75% 77%,70% 47%,65% 66%,60% 25%,55% 86%,50% 44%,45% 74%,40% 20%,35% 79%,30% 43%,25% 66%,20% 33%,15% 84%,10% 47%,5% 70%,0 55%)}.wave-progress{position:absolute;inset:0;background:repeating-linear-gradient(90deg,var(--blue) 0 2px,transparent 2px 5px);clip-path:inherit;transform:scaleX(0);transform-origin:left center;pointer-events:none}.audio-strip audio{display:none}.audio-time{font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}.cta{display:inline-flex;align-items:center;gap:18px;margin-top:22px;background:var(--blue);color:#fff;text-decoration:none;padding:14px 26px;font-family:var(--hand);font-weight:800;text-transform:uppercase;box-shadow:3px 4px 0 #123a78;transform:rotate(-1deg)}.hero-collage{position:relative;padding:40px 38px 52px 20px}.hero-photo{aspect-ratio:3/2;object-fit:cover;border:10px solid #eee6d8;box-shadow:0 2px 12px rgba(27,21,16,.25);clip-path:polygon(1% 3%,99% 0,98% 98%,2% 96%)}.sticky{position:absolute;background:var(--yellow);padding:22px 28px;right:18px;top:2px;width:255px;font-family:var(--hand);box-shadow:4px 5px 8px rgba(40,29,10,.22);transform:rotate(4deg);z-index:2}.sticky small{display:block;font-weight:800}.sticky strong{font-size:30px;border-bottom:3px solid var(--ink)}.dictionary{position:absolute;right:6px;bottom:10px;width:238px;background:#fffdf5;padding:14px 18px;font-family:var(--serif);font-size:14px;box-shadow:2px 4px 8px #8b8175;transform:rotate(2deg)}.margin-note{position:absolute;right:-10px;bottom:40px;transform:translateX(88%) rotate(-4deg);font-family:var(--hand);color:var(--red);width:130px}.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}.skill-tab{min-height:80px;padding:20px 28px;display:flex;align-items:center;gap:14px;text-decoration:none;font-family:var(--hand);font-size:23px;font-weight:800;clip-path:polygon(2% 7%,97% 0,100% 87%,3% 100%)}.skill-tab:nth-child(1){background:var(--red)}.skill-tab:nth-child(2){background:#e4e1da}.skill-tab:nth-child(3){background:#3170cc}.skill-tab:nth-child(4){background:var(--yellow)}.skill-tab span{border-bottom:3px solid var(--ink)}
.sentence-lab{background:rgba(255,250,240,.88);border-top:1px solid #c5bdaf;border-bottom:1px solid #c5bdaf;padding:32px 0 42px}.sentence-lab h2{font-family:var(--hand);font-size:25px;margin:0 0 22px;color:var(--blue)}.diagram{display:flex;align-items:flex-end;justify-content:center;gap:9px;flex-wrap:wrap}.word{position:relative;border:1px solid #536578;background:#fff;padding:8px 13px;font-family:var(--serif);font-size:18px}.word.red{border-color:var(--red)}.word small{position:absolute;top:calc(100% + 5px);left:50%;transform:translateX(-50%);font-family:var(--hand);font-size:11px;color:var(--blue);white-space:nowrap}.connector{padding-bottom:9px}.section{padding:76px 0;background:rgba(247,241,229,.82)}.section.alt{background:rgba(255,250,240,.94)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:36px;border-bottom:2px solid var(--ink)}.section-head h2,.page-intro h1{font-size:clamp(42px,6vw,78px);line-height:.95;letter-spacing:-3px;margin:0 0 16px}.section-head p{font-family:var(--hand);max-width:370px;color:var(--red)}.editorial-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:34px}.feature-card{display:grid;grid-template-columns:1fr 1fr;background:var(--sheet);border:1px solid var(--line);box-shadow:6px 7px 0 #d7d0c2}.feature-card img,.story-card img,.lesson-card img,.page-photo{width:100%;aspect-ratio:3/2;object-fit:cover}.feature-copy{padding:30px}.tag{display:inline-block;font-family:var(--hand);font-weight:800;text-transform:uppercase;color:var(--blue);border-bottom:2px solid var(--red)}.feature-copy h3,.story-card h3,.lesson-card h3{font-size:28px;line-height:1.05;margin:16px 0}.feature-copy a,.story-card a,.lesson-card a{font-weight:800;text-decoration-thickness:2px}.note-stack{display:grid;gap:18px}.paper-note{background:var(--yellow);padding:26px;box-shadow:4px 5px 0 #ba9820;transform:rotate(1deg)}.paper-note:nth-child(even){background:#dce8fb;box-shadow:4px 5px 0 #a8bbdc;transform:rotate(-1deg)}.paper-note h3{font-family:var(--hand);font-size:26px;margin:0 0 12px}.stories-grid,.lessons-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.story-card,.lesson-card{background:var(--sheet);border:1px solid var(--line);padding:13px 13px 24px}.story-card .card-copy,.lesson-card .card-copy{padding:12px}.page-intro{padding:72px 0 42px}.page-intro-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}.page-intro p{font-family:var(--hand);font-size:20px;max-width:600px}.page-photo{border:9px solid #ece4d5;box-shadow:5px 6px 0 #cec4b4;transform:rotate(1deg)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:54px;align-items:start}.prose{background:rgba(255,250,240,.94);padding:44px;border:1px solid var(--line)}.prose h2{font-size:34px;line-height:1.1;margin-top:48px}.prose h2:first-child{margin-top:0}.prose p,.prose li{font-family:var(--serif);font-size:18px;line-height:1.78}.prose blockquote{font-family:var(--hand);font-size:23px;color:var(--blue);border-left:5px solid var(--yellow);padding-left:24px;margin:34px 0}.side-note{position:sticky;top:25px;background:var(--yellow);padding:24px;box-shadow:5px 5px 0 #b89113;font-family:var(--hand);transform:rotate(1deg)}.side-note h2{font-size:25px;margin-top:0}.legal .prose{max-width:980px;margin:auto}.legal .prose h2{font-size:27px}.contact-board{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}.contact-note{background:var(--yellow);padding:38px;box-shadow:7px 8px 0 #b99319;transform:rotate(-1deg)}.contact-form{background:var(--sheet);padding:38px;border:1px solid var(--line)}.field{display:grid;gap:7px;margin-bottom:18px}.field label{font-family:var(--hand);font-weight:800}.field input,.field textarea,.field select{width:100%;border:0;border-bottom:2px solid var(--blue);padding:12px;background:#f6f0e5}.field textarea{min-height:160px;border:2px solid var(--blue)}.submit{border:0;background:var(--blue);color:#fff;padding:14px 22px;font-family:var(--hand);font-weight:900;box-shadow:3px 4px 0 #0c376f}.form-status{font-weight:800;color:#185f40}.word-tool{background:#dce8fb;border:2px solid var(--blue);padding:30px;display:grid;gap:18px}.word-output{background:#fff;padding:22px;border-left:5px solid var(--red);min-height:90px}.site-footer{background:#151719;color:#f6f0e5;padding:54px 0 28px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:38px}.site-footer h2,.site-footer h3{font-family:var(--hand)}.site-footer a{color:#fff}.footer-links{display:grid;gap:8px}.copyright{border-top:1px solid #555;margin-top:34px;padding-top:20px;font-size:13px}.consent{position:fixed;z-index:99;left:20px;right:20px;bottom:18px;max-width:760px;margin:auto;background:#fffaf0;border:2px solid var(--ink);box-shadow:7px 8px 0 var(--ink);padding:18px 22px;display:flex;align-items:center;gap:20px}.consent[hidden]{display:none}.consent p{margin:0;flex:1}.consent button{border:0;background:var(--yellow);padding:10px 16px;font-weight:900}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1160px){.wrap{width:min(var(--max),calc(100% - 40px))}.margin-note{display:none}.main-nav{gap:20px}.hero h1{font-size:78px}.sticky{width:220px}.stories-grid,.lessons-grid{grid-template-columns:repeat(2,1fr)}.tabs{gap:10px}.skill-tab{font-size:18px;padding:18px}}
@media(max-width:860px){.header-inner{min-height:90px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:88px;left:20px;right:20px;background:#fffaf0;border:2px solid var(--ink);padding:24px;box-shadow:6px 7px 0 var(--ink);flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.hero-grid,.page-intro-grid,.content-grid,.contact-board,.editorial-grid{grid-template-columns:1fr}.hero-copy{padding-left:0}.hero-collage{padding:32px 20px 54px}.hero h1{font-size:clamp(59px,12vw,88px)}.tabs{grid-template-columns:repeat(2,1fr)}.feature-card{grid-template-columns:1fr}.side-note{position:static}.footer-grid{grid-template-columns:1fr 1fr}.page-intro{padding-top:46px}}
@media(max-width:560px){.wrap{width:calc(100% - 28px)}.brand{font-size:24px}.hero{padding-top:42px}.hero h1{font-size:57px;letter-spacing:-4px}.hero-collage{padding:16px 0 78px}.hero-photo{border-width:6px}.sticky{width:170px;padding:14px;right:-4px;top:-10px}.sticky strong{font-size:22px}.dictionary{width:205px;right:2px}.tabs{grid-template-columns:1fr 1fr}.skill-tab{min-height:65px;padding:14px;font-size:15px}.sentence-lab{overflow:hidden}.diagram{justify-content:flex-start}.section{padding:54px 0}.section-head{display:block}.stories-grid,.lessons-grid{grid-template-columns:1fr}.prose{padding:25px 20px}.prose p,.prose li{font-size:17px}.page-intro h1,.section-head h2{font-size:46px}.footer-grid{grid-template-columns:1fr}.consent{display:block;left:12px;right:12px}.consent button{margin-top:12px}.contact-note,.contact-form{padding:26px}}