.lower-materials-guide{border-top:6px solid #167d75}.lesson-intention{font-size:1.15rem}.materials-visual{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0;padding:18px;background:#eef8f5}.materials-visual div{padding:18px;border:2px solid #8dbdb6;background:#fff;text-align:center}.materials-visual strong,.materials-visual span{display:block}.materials-visual strong{color:#173968;font-size:1.25rem}.lower-sequence article{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid #cbdedb}.lower-sequence article>span{display:grid;place-items:center;width:38px;height:38px;background:#173968;color:#fff;font-weight:900}.lower-sequence h4{margin:0}.lower-sequence p{margin:.25em 0}.lower-check{margin:10px 0;padding:10px;border:2px solid #e3a72f;background:#fff9e9}.lower-check summary{font-weight:800}.lower-adapt{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.lower-adapt article{padding:14px;background:#eef8f5}
.lower-materials-deck{margin:0;background:#dce9e6;color:#172b3f;font-family:"Avenir Next","Trebuchet MS",sans-serif}.lower-materials-deck .nav{display:flex;align-items:center;gap:8px;min-height:60px;padding:8px 16px;background:#173968}.lower-materials-deck .nav a,.lower-materials-deck .nav button{padding:9px 12px;border:1px solid #ffffff80;border-radius:6px;background:transparent;color:#fff;text-decoration:none;font-weight:700}.lower-materials-deck .deck{padding:8px}.lower-materials-deck .slide{position:relative;display:grid;grid-template-columns:1.3fr .7fr;grid-template-rows:auto auto 1fr;gap:14px;width:min(100%,calc((100vh - 92px)*16/9));aspect-ratio:16/9;padding:38px 54px 48px;overflow:hidden;background:linear-gradient(145deg,#fff 0 74%,#edf8f5 74%)}.lower-materials-deck .slide-kicker,.lower-materials-deck h2{grid-column:1/-1}.lower-materials-deck .slide-kicker{margin:0;color:#167d75;font-weight:900;text-transform:uppercase}.lower-materials-deck h2{margin:0;color:#173968;font-size:clamp(28px,3.4vw,50px);letter-spacing:0}.lower-materials-deck .student-prompt{padding:20px;border-left:7px solid #e3a72f;background:#fff8e5;font-size:clamp(17px,1.8vw,26px)}.lower-materials-deck .slide>ul{font-size:clamp(15px,1.5vw,23px);font-weight:800}.lower-materials-deck .materials-visual{grid-column:1/-1}.lower-materials-deck .teacher-notes{position:absolute;z-index:20;right:18px;bottom:32px;max-width:60%;padding:8px 12px;background:#fff;border:1px solid #8dbdb6}.lower-materials-deck .teacher-notes dl{display:grid;grid-template-columns:110px 1fr;gap:4px 8px;font-size:12px}.lower-materials-deck .teacher-notes dt{font-weight:900}.lower-materials-deck .teacher-notes dd{margin:0}.lower-materials-deck .lower-check{font-size:12px}
@media(max-width:720px){.materials-visual,.lower-adapt{grid-template-columns:1fr}.lower-materials-deck .slide{padding:22px 26px 42px;grid-template-columns:1fr 180px}.lower-materials-deck .nav>a:not(:first-child){display:none}}