.projects-page .source-button{text-decoration:none}
.project-workspace{max-width:1170px;margin:auto;padding:64px 40px 70px}
.section-label{font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}
.project-hero{margin-bottom:42px}
.project-hero h1{max-width:none;font-size:clamp(38px,5.4vw,66px);letter-spacing:-2.5px;margin:17px 0 19px}
.project-hero h1>span{color:var(--blue)}
.project-hero p{color:var(--muted);font-size:18px;line-height:1.6;margin:0}
.grade-picker{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.grade-choice{width:64px;height:56px;display:grid;place-items:center;border:1px solid #d5dae5;border-radius:12px;background:#fff;color:var(--muted);font:800 22px Manrope,Arial,sans-serif;text-decoration:none;transition:background .15s,color .15s}
.grade-choice:hover{border-color:var(--blue);color:var(--blue)}
.grade-choice[aria-current="true"]{color:#fff;background:var(--blue);border-color:var(--blue);box-shadow:0 5px 16px #2848ea1c}
.grade-count{font-size:13px;color:var(--muted);margin-left:12px}
.grade-note{color:var(--muted);font-size:13px;line-height:1.65;max-width:670px;margin:18px 0 0}
.grade-panel{margin-top:44px;scroll-margin-top:24px}
.grade-panel[hidden]{display:none}
.level-intro{display:flex;justify-content:space-between;gap:36px;align-items:center;margin-bottom:25px;padding-top:28px;border-top:1px solid var(--line)}
.level-intro .section-label{font-size:10px;color:var(--blue)}
.level-intro h2{font:800 24px/1.3 Manrope,Arial,sans-serif;letter-spacing:-.7px;margin:8px 0 0;max-width:430px}
.level-intro>p{font-size:14px;line-height:1.7;color:var(--muted);max-width:390px;margin:0}
.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.project-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;min-width:0}
.project-card>summary{list-style:none;display:flex;align-items:center;gap:17px;padding:25px 24px;cursor:pointer;min-height:128px}
.project-card>summary::-webkit-details-marker,.curriculum>summary::-webkit-details-marker{display:none}
.project-card>summary:hover{background:#fafbff}
.project-card>summary:focus-visible,.curriculum>summary:focus-visible{outline:3px solid var(--orange);outline-offset:-4px;border-radius:15px}
.project-number{font:700 13px Manrope,Arial,sans-serif;color:#8b94a7;align-self:flex-start;padding-top:4px}
.project-heading{display:block;flex:1}
.project-title{display:block;font:700 17px/1.35 Manrope,Arial,sans-serif;letter-spacing:-.3px}
.project-description{display:block;font-size:14px;line-height:1.55;color:var(--muted);margin-top:8px}
.expand-mark{font-size:22px;color:var(--blue);font-weight:400;flex:0 0 20px;text-align:center}
.project-card[open]{border-color:#b8c3f5}
.project-card[open] .expand-mark{transform:rotate(45deg)}
.project-body{border-top:1px solid #edf0f6;padding:24px}
.materials{background:#f4f5fa;padding:12px 14px;border-radius:8px;font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 23px}
.materials strong{font-weight:500;color:var(--ink)}
.project-body dl{margin:0}
.project-body dt{font-size:13px;font-weight:700;color:var(--blue);margin-top:22px}
.project-body dd{margin:7px 0 0;font-size:14px;line-height:1.75;color:#4c5972}
.before-start{display:flex;gap:16px;align-items:flex-start;margin:30px 0 44px;color:var(--muted)}
.before-start>span{color:var(--blue);font-size:21px}
.before-start p{font-size:13px;line-height:1.75;margin:2px 0 0}
.before-start a{text-underline-offset:3px}
.curriculum{border-top:1px solid var(--line);scroll-margin-top:25px}
.curriculum>summary{list-style:none;display:flex;justify-content:space-between;gap:20px;padding:24px 0;cursor:pointer;font-size:14px;font-weight:500;color:var(--muted)}
.curriculum>summary span{color:var(--blue);font-size:20px}
.curriculum[open]>summary span{transform:rotate(45deg)}
.curriculum-body{max-width:780px;padding:0 0 12px}
.curriculum-body h2{font:800 23px Manrope,Arial,sans-serif;letter-spacing:-.5px}
.curriculum-body p{font-size:14px;line-height:1.85;color:var(--muted)}
.curriculum-body strong{color:var(--ink);font-weight:500}
.curriculum-body .sources{margin-top:25px;border-bottom:0}
@media(max-width:760px){.project-workspace{padding:36px 20px 45px}.project-hero{margin-bottom:30px}.project-hero h1{font-size:39px;letter-spacing:-1.6px;line-height:1.16}.project-hero p{font-size:16px}.grade-picker{gap:8px}.grade-choice{width:54px;height:52px}.grade-count{flex-basis:100%;margin:5px 0 0;font-size:12px}.grade-note{font-size:12px;margin-top:12px}.grade-panel{margin-top:30px}.level-intro{display:block;padding-top:24px;margin-bottom:21px}.level-intro h2{font-size:23px}.level-intro>p{margin:13px 0 0;font-size:13px}.project-grid{grid-template-columns:1fr;gap:11px}.project-card>summary{padding:22px 19px;min-height:115px;gap:14px}.project-title{font-size:16px}.project-description{font-size:13px}.project-body{padding:21px}.before-start{margin-bottom:30px}.section-label{font-size:11px}}
@media print{.topbar,.grade-picker,.grade-note,footer{display:none}.grade-panel[hidden]{display:block}.project-workspace{padding:0}.project-grid{display:block}.project-card{break-inside:avoid;margin-bottom:12px}.project-hero h1{font-size:32px}.grade-panel{break-before:page}}