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.hero-photo figcaption span{font:700 12px "Exo";letter-spacing:.15em;text-transform:uppercase;color:var(--sun)}
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.photo-seal small{font-size:10px;letter-spacing:.1em}
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var(--line);border-radius:var(--radius);background:var(--white);box-shadow:0 8px 30px rgba(16,42,45,.06)}.phase-card.is-current{border:3px solid var(--blue)}.phase-card.is-complete{background:#eff8ec}.phase-number{font:800 34px "Exo";color:var(--blue)}.phase-copy h3,.teacher-phase-head h3{font:700 25px "Exo";margin:5px 0}.phase-copy>p{color:var(--muted)}.phase-state{display:inline-flex;padding:5px 10px;border:1px solid currentColor;border-radius:99px;font-size:13px;font-weight:700}.requirements{padding:0;list-style:none}.requirements li{position:relative;padding:6px 0 6px 28px;color:#794e00}.requirements li:before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border:2px solid currentColor;border-radius:50%}.requirements li.done{color:var(--green);font-weight:700}.requirements li.done:after{content:"";position:absolute;left:5px;top:12px;width:5px;height:9px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg)}.phase-copy blockquote{margin:16px 0;padding:14px;border-left:5px solid var(--blue);background:white}.phase-copy blockquote b{display:block}.phase-edit-shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:90px clamp(20px,7vw,112px);align-items:start}.phase-edit-shell aside{position:sticky;top:120px}.phase-edit-shell h1{font-size:clamp(44px,6vw,72px)}.requirement-box{margin-top:30px;padding:22px;background:#dcefd6;border-radius:14px}.evidence-check{display:grid;grid-template-columns:26px 1fr;gap:5px 10px;margin-bottom:18px;padding:18px;border:1px solid var(--line);border-radius:12px}.evidence-check input{width:22px;height:22px}.evidence-check label{font-weight:700}.evidence-check small{grid-column:2;color:var(--muted)}.teacher-progress{padding:20px;background:var(--ink);color:white;border-radius:14px}.teacher-progress>b{font:800 38px "Exo"}.teacher-progress>span{margin-left:10px}.resource-review,.code-reset{margin:32px 0;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--white)}.resource-review h2,.code-reset h2{font:700 24px "Exo"}.new-code{padding:16px;background:var(--sun);border-radius:10px}.new-code strong{font-size:38px}.teacher-evidence-section{background:var(--white)}.teacher-phase-list{display:grid;gap:18px}.teacher-phase-list>article{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}.teacher-phase-head{display:grid;grid-template-columns:60px 1fr auto;gap:18px;align-items:start}.teacher-phase-head>span{font:800 28px "Exo";color:var(--blue)}.teacher-phase-head h3{margin-top:0}.teacher-phase-head p{margin:4px 0;color:var(--muted)}.compact-list{display:flex;gap:22px;flex-wrap:wrap}.review-form{display:grid;grid-template-columns:220px 1fr auto;gap:16px;align-items:end;margin-top:20px}.review-form .field{margin:0}.student-note,.empty-evidence{padding:13px 16px;background:white;border-left:4px solid var(--sun)}
@media(max-width:900px){.access-shell,.phase-edit-shell{grid-template-columns:1fr;background:#dcefd6}.access-form{justify-self:start}.resource-form,.review-form{grid-template-columns:1fr}.phase-edit-shell aside{position:static}.phase-grid{grid-template-columns:1fr}}
@media(max-width:600px){.access-shell{min-height:auto;padding:55px 20px}.portal-hero{padding:45px 20px 28px;flex-direction:column}.portal-overview{margin:0 20px;grid-template-columns:1fr}.progress-orbit{width:122px;height:122px}.resources-section,.phases-section,.teacher-evidence-section{padding:60px 20px}.resource-actions{grid-template-columns:1fr}.phase-card{grid-template-columns:1fr}.teacher-phase-head{grid-template-columns:48px 1fr}.teacher-phase-head>b{grid-column:2}.compact-list{display:block}.access-code-card>strong{font-size:34px}.phase-edit-shell{padding:55px 20px}.access-intro h1{font-size:48px}}
.lesson-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0 8px;padding:12px 14px;background:#e8f1f4;border-radius:10px}.lesson-meta b{font-family:"Exo"}.lesson-meta span{font-size:14px;font-weight:700}.phase-actions{display:flex;gap:10px;flex-wrap:wrap}.button-advice{background:var(--blue);border-color:var(--blue)}.button-disabled{background:#d5dcd8;border-color:#d5dcd8;color:#52635f;cursor:not-allowed;box-shadow:none}.lesson-complete-badge{display:inline-flex;padding:8px 12px;border-radius:99px;background:#dcefd6;color:var(--green);font-weight:700}.lesson-hero{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:end;padding:75px clamp(20px,7vw,112px);background:var(--sky);border-bottom:2px solid var(--ink)}.lesson-hero h1{font:800 clamp(50px,8vw,100px)/.92 "Exo";letter-spacing:-.055em;margin:22px 0}.lesson-hero>div:first-child>p:last-child{max-width:780px;font-size:22px}.lesson-clock{width:180px;height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:3px solid var(--ink);border-radius:50%;background:var(--sun);box-shadow:8px 8px 0 var(--ink);transform:rotate(4deg)}.lesson-clock strong{font:800 58px/1 "Exo"}.lesson-clock span{font-weight:700}.lesson-layout{display:grid;grid-template-columns:minmax(250px,.32fr) minmax(0,.68fr);gap:70px;padding:70px clamp(20px,7vw,112px)}.lesson-sidebar{position:sticky;top:110px;height:max-content;display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.lesson-sidebar>div{padding:20px;border-bottom:1px solid var(--line)}.lesson-sidebar>div:last-child{border:0}.lesson-sidebar span{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.lesson-sidebar b{font-family:"Exo"}.lesson-done{background:#dcefd6}.key-idea{padding:34px;background:var(--ink);color:white;border-radius:var(--radius);box-shadow:8px 8px 0 var(--sun)}.key-idea .eyebrow{color:var(--sun)}.key-idea h2{font:700 clamp(27px,4vw,42px)/1.18 "Exo";margin:10px 0}.lesson-section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin:70px 0 28px}.lesson-section-head h2,.lesson-check h2,.lesson-finish h2{font:800 clamp(30px,4vw,48px)/1 "Exo";margin:10px 0}.lesson-section-head>p{max-width:420px}.lesson-moments{list-style:none;padding:0;margin:0;display:grid;gap:16px}.lesson-moments li{display:grid;grid-template-columns:105px 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.moment-time{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#dcefd6;border-right:1px solid var(--line)}.moment-time strong{font:800 40px/1 "Exo"}.lesson-moments li>div:last-child{padding:22px}.lesson-moments li>div:last-child>span{color:var(--blue);font-size:13px;font-weight:700;text-transform:uppercase}.lesson-moments h3{font:700 25px "Exo";margin:4px 0}.lesson-moments p{margin-bottom:0}.lesson-check{display:grid;grid-template-columns:1fr .72fr;gap:22px;margin-top:60px}.lesson-check>div,.lesson-check blockquote{margin:0;padding:28px;border-radius:var(--radius);background:var(--white);border:1px solid var(--line)}.lesson-check ul{padding-left:22px}.lesson-check li{margin:12px 0}.lesson-check blockquote{display:flex;flex-direction:column;justify-content:center;background:var(--sun);border:2px solid var(--ink);font-size:20px}.lesson-finish{display:flex;align-items:center;justify-content:space-between;gap:35px;margin-top:24px;padding:32px;border-radius:var(--radius);background:var(--green);color:white}.lesson-finish .eyebrow{color:var(--sun)}.lesson-finish .button{background:var(--white);color:var(--ink);border-color:var(--white);white-space:nowrap}
@media(max-width:900px){.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}.lesson-check{grid-template-columns:1fr}}
@media(max-width:600px){.lesson-hero{grid-template-columns:1fr;padding:55px 20px}.lesson-clock{width:125px;height:125px}.lesson-clock strong{font-size:42px}.lesson-layout{padding:50px 20px;gap:36px}.lesson-section-head,.lesson-finish{align-items:flex-start;flex-direction:column}.lesson-moments li{grid-template-columns:76px 1fr}.moment-time strong{font-size:30px}.lesson-moments li>div:last-child{padding:18px}.phase-actions{flex-direction:column}.phase-actions .button{width:100%}}
.project-brief{padding:clamp(24px,4vw,42px);border:2px solid var(--ink);border-radius:var(--radius);background:var(--white);box-shadow:8px 8px 0 var(--blue)}.project-brief h2{font:700 clamp(26px,4vw,42px)/1.2 "Exo";margin:12px 0}.project-brief>p:not(.eyebrow){font-size:19px}.project-brief>div{margin-top:22px;padding:18px;background:var(--paper);border-left:6px solid var(--sun)}.project-brief>div span{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.project-brief>div b{display:block;margin-top:5px}.project-focus{margin:30px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:var(--radius);overflow:hidden;background:var(--green);color:white}.project-focus>div{padding:30px}.project-focus .eyebrow{color:var(--sun)}.project-focus h2{font:800 32px "Exo";margin:10px 0}.project-focus dl{margin:0;padding:26px;background:#dcefd6;color:var(--ink)}.project-focus dl>div+div{margin-top:20px;padding-top:20px;border-top:1px solid #a9bea7}.project-focus dt{font:700 13px "Exo";text-transform:uppercase;letter-spacing:.08em}.project-focus dd{margin:7px 0 0}.moment-project-note{padding:12px 14px;background:#eef7fa;border-left:4px solid var(--blue)}
@media(max-width:700px){.project-focus{grid-template-columns:1fr}}
.materials-section{padding:80px clamp(20px,6vw,92px)}.materials-grid{display:grid;grid-template-columns:1fr 1fr .72fr;gap:18px;align-items:start}.material-card{border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:6px 6px 0 var(--ink)}.material-card-head{display:flex;gap:16px;align-items:center;padding:22px;border-bottom:2px solid var(--ink)}.material-card-head>span{width:48px;height:48px;display:grid;place-content:center;border:2px solid var(--ink);border-radius:50%;font:800 17px "Exo"}.material-card-head h3{font:700 23px "Exo";margin:4px 0}.material-card-head .eyebrow{margin:0}.material-card.recycled .material-card-head{background:#dcefd6}.material-card.purchased .material-card-head{background:var(--sky)}.material-card.safety .material-card-head{background:var(--sun)}.material-card>ul{list-style:none;padding:0 22px;margin:0}.material-card>ul>li{padding:17px 0;border-bottom:1px solid var(--line)}.material-card>ul>li:last-child{border-bottom:0}.material-card li>div{display:flex;justify-content:space-between;gap:15px}.material-card li>div span{flex:0 0 auto;color:var(--blue);font-weight:700}.material-card li p{margin:6px 0 0;color:var(--muted);font-size:15px}.material-card.safety>ul{list-style:disc;padding-left:42px}.material-warning{margin:18px;padding:16px;background:#fff3c4;border-left:5px solid #9a6a00}.lesson-materials{margin:28px 0;border:2px solid var(--ink);border-radius:var(--radius);background:var(--white);overflow:hidden}.lesson-materials summary{min-height:56px;padding:16px 22px;display:flex;align-items:center;font-weight:700;cursor:pointer;background:#e7eadf}.lesson-materials summary:hover{background:#dcefd6}.lesson-material-columns{display:grid;grid-template-columns:1fr 1fr .8fr;gap:22px;padding:24px}.lesson-material-columns h3{font:700 20px "Exo"}.lesson-material-columns ul{padding-left:20px}.lesson-material-columns li{margin:9px 0}
@media(max-width:1000px){.materials-grid{grid-template-columns:1fr 1fr}.material-card.safety{grid-column:1/-1}.lesson-material-columns{grid-template-columns:1fr}}
@media(max-width:600px){.materials-section{padding:60px 20px}.materials-grid{grid-template-columns:1fr}.material-card.safety{grid-column:auto}.material-card li>div{flex-direction:column;gap:3px}.material-card li>div span{flex:auto}}
.dashboard-members{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:5px}.dashboard-members li{display:flex;gap:10px;flex-wrap:wrap;font-size:14px}.dashboard-members li span{color:var(--muted)}.team-row-actions{display:flex;flex-direction:column;align-items:center;gap:8px}.team-row-actions .text-link{font-size:14px}.danger-link{color:#a3261e}.team-manage-shell{min-height:calc(100vh - 82px);display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:start;padding:90px clamp(20px,7vw,112px)}.team-manage-shell h1,.delete-team-shell h1{font:800 clamp(46px,7vw,84px)/.96 "Exo";letter-spacing:-.05em;margin:20px 0}.delete-team-shell{max-width:880px;margin:auto;padding:90px 20px;text-align:center}.danger-mark{width:82px;height:82px;margin:auto;display:grid;place-content:center;border:3px solid #8f1f18;border-radius:50%;background:#fee2e2;color:#8f1f18;font:800 42px "Exo"}.delete-team-shell>p:not(.eyebrow){max-width:680px;margin:0 auto 30px;font-size:19px}.delete-summary{display:grid;gap:0;text-align:left;border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--white)}.delete-summary>div{padding:20px 24px;border-bottom:1px solid var(--line)}.delete-summary>div:last-child{border:0}.delete-summary span{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.delete-summary ul{margin-bottom:0}.delete-actions{display:flex;justify-content:center;gap:18px;align-items:center;margin-top:30px}.button-danger{background:#a3261e;border-color:#a3261e}.button-danger:hover{background:#7a1813;border-color:#7a1813}
@media(max-width:900px){.team-manage-shell{grid-template-columns:1fr}.team-row-actions{align-items:flex-start}}
@media(max-width:600px){.team-manage-shell{padding:55px 20px}.delete-actions{align-items:stretch;flex-direction:column}.delete-actions form,.delete-actions .button,.delete-actions button{width:100%}}

/* Visual system: Phosphor-inspired outline SVGs and editorial photography */
.ui-icon{display:inline-block;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em}
.button,.icon-link,.card-link,.eyebrow,.grade-meta,.site-header nav>a{gap:9px}
.icon-link,.card-link,.eyebrow,.grade-meta,.site-header nav>a{display:inline-flex;align-items:center}
.site-header nav>a{min-height:44px}
.menu-button{cursor:pointer}
.page-hero-photo{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.72fr);gap:clamp(36px,7vw,100px);align-items:center;padding-bottom:80px;background:linear-gradient(135deg,var(--paper) 0 68%,#dcefd6 68%)}
.page-hero-photo figure,.project-hero-photo,.access-photo,.portal-hero-photo{position:relative;margin:0;overflow:hidden;border:2px solid var(--ink);background:var(--sky);box-shadow:8px 8px 0 var(--ink)}
.page-hero-photo figure{aspect-ratio:4/3;border-radius:96px 18px 96px 18px}
.page-hero-photo picture,.project-hero-photo picture,.access-photo picture,.portal-hero-photo picture{display:block;width:100%;height:100%}
.page-hero-photo img,.project-hero-photo img,.access-photo img,.portal-hero-photo img{display:block;width:100%;height:100%;object-fit:cover}
.page-hero-photo img{object-position:50% 48%}
.page-hero-photo figcaption,.project-hero-photo figcaption,.access-photo figcaption,.portal-hero-photo figcaption{position:absolute;left:16px;right:16px;bottom:16px;display:flex;align-items:center;gap:8px;width:max-content;max-width:calc(100% - 32px);padding:9px 13px;border-radius:999px;background:var(--ink);color:white;font-weight:700}
.project-hero{grid-template-columns:minmax(0,1.12fr) minmax(310px,.88fr)}
.project-hero-photo{aspect-ratio:4/5;border-radius:120px 18px 120px 18px;box-shadow:10px 10px 0 var(--ink)}
.project-hero-photo img{object-position:var(--hero-position,67% center)}
.project-hero-photo figcaption{background:var(--sun);color:var(--ink)}
.access-shell{grid-template-columns:minmax(0,1fr) minmax(360px,.8fr)}
.access-photo{width:min(620px,100%);aspect-ratio:16/7;margin-top:34px;border-radius:18px 90px 18px 90px;box-shadow:8px 8px 0 var(--sun)}
.access-photo img{object-position:50% 49%}
.portal-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.42fr) auto;align-items:center;padding-top:42px;background:linear-gradient(120deg,var(--paper),#e8f3e6)}
.portal-hero-photo{aspect-ratio:16/9;border-radius:18px 70px 18px 70px;box-shadow:6px 6px 0 var(--sun)}
.portal-hero-photo img{object-position:50% 46%}
.portal-hero-photo figcaption{font-size:13px}
.portal-icon-strip{margin:0 clamp(20px,6vw,92px) 26px;display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink);border-radius:14px;overflow:hidden;background:var(--white)}
.portal-icon-strip>div{min-height:72px;padding:14px 18px;display:flex;align-items:center;gap:12px;border-right:1px solid var(--line);font-weight:700}
.portal-icon-strip>div:last-child{border-right:0}
.portal-icon-strip>div:nth-child(1) .ui-icon{color:var(--green)}
.portal-icon-strip>div:nth-child(2) .ui-icon{color:var(--blue)}
.portal-icon-strip>div:nth-child(3) .ui-icon{color:#8a6200}
@media(max-width:1000px){.portal-hero{grid-template-columns:1fr minmax(230px,.55fr)}.portal-hero form{grid-column:1/-1}.portal-hero form .button{width:max-content}.project-hero{grid-template-columns:1fr 360px}}
@media(max-width:900px){.page-hero-photo,.project-hero{grid-template-columns:1fr}.page-hero-photo figure{width:min(680px,100%)}.project-hero-photo{width:min(620px,100%);aspect-ratio:16/10;border-radius:90px 18px 90px 18px}.project-hero-photo img{object-position:50% 45%}.access-shell{grid-template-columns:1fr}.portal-hero{grid-template-columns:1fr}.portal-hero-photo{width:min(620px,100%)}.portal-hero form{grid-column:auto}}
@media(max-width:600px){.page-hero-photo{padding-top:58px;padding-bottom:55px;background:var(--paper)}.project-hero h1{font-size:clamp(40px,12vw,46px);line-height:.96}.page-hero-photo figure,.project-hero-photo,.access-photo,.portal-hero-photo{border-radius:54px 12px 54px 12px;box-shadow:5px 5px 0 var(--ink)}.access-photo{aspect-ratio:4/3}.portal-icon-strip{grid-template-columns:1fr}.portal-icon-strip>div{border-right:0;border-bottom:1px solid var(--line)}.portal-icon-strip>div:last-child{border-bottom:0}.site-header nav>a{width:100%}}

/* Student-friendly motion: purposeful, lightweight and accessibility-safe */
.reveal{opacity:1;transform:none}
.motion-ready .reveal{opacity:0;transform:translateY(14px) scale(.985);transition:opacity 380ms ease-out var(--reveal-delay,0ms),transform 420ms cubic-bezier(.2,.75,.25,1) var(--reveal-delay,0ms)}
.motion-ready .reveal.is-visible{opacity:1;transform:none}
.motion-ready .hero-copy{transform:translateX(-18px)}
.motion-ready .hero-photo{transform:translateX(18px) rotate(1.5deg)}
.motion-ready .hero-copy.is-visible,.motion-ready .hero-photo.is-visible{transform:none}
.grade-card,.project-card,.phase-card,.portal-icon-strip>div,.material-card{will-change:transform;transition:transform 220ms ease-out,box-shadow 220ms ease-out,background-color 220ms ease-out,color 220ms ease-out}
@media(hover:hover) and (pointer:fine){.grade-card:hover{transform:translateY(-5px)}.phase-card:hover,.portal-icon-strip>div:hover,.material-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(16,42,45,.13)}.project-card:hover{transform:translate(-4px,-5px)}.button:hover .ui-icon,.card-link:hover .ui-icon,.grade-card:hover .ui-icon,.site-header nav>a:hover .ui-icon{transform:translateX(3px) scale(1.08)}.project-card:hover .card-top .ui-icon{transform:rotate(-8deg) scale(1.14)}}
.ui-icon{transition:transform 190ms ease-out}
.button:active,.grade-card:active,.project-card:active{transform:scale(.98)}
.motion-ready .portal-progress i{transform:scaleX(0);transform-origin:left;transition:transform 700ms cubic-bezier(.2,.75,.25,1) 120ms}
.motion-ready .portal-progress.is-visible i{transform:scaleX(1)}
.message{animation:message-in 280ms ease-out both}
@keyframes message-in{from{opacity:0;transform:translateY(-10px) scale(.98)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.motion-ready .reveal,.motion-ready .hero-copy,.motion-ready .hero-photo{opacity:1;transform:none}.grade-card,.project-card,.phase-card,.portal-icon-strip>div,.material-card,.ui-icon,.portal-progress i{transition:none!important;will-change:auto}.message{animation:none}}

/* Teacher-managed resources for each project phase */
.resource-admin-hero{padding:80px clamp(20px,7vw,112px) 54px;background:linear-gradient(135deg,var(--sky),var(--paper));display:flex;justify-content:space-between;gap:40px;align-items:end}.resource-admin-hero.compact{padding-top:60px}.resource-admin-hero h1{font:800 clamp(46px,7vw,88px)/.95 "Exo",sans-serif;letter-spacing:-.05em;margin:18px 0;max-width:1050px}.resource-admin-hero>div>p:last-child{font-size:20px;max-width:760px}.resource-count{width:128px;height:128px;flex:0 0 auto;display:grid;place-content:center;text-align:center;border:2px solid var(--ink);border-radius:50%;background:var(--sun);font:800 42px/1 "Exo"}.resource-count small{display:block;margin-top:7px;font:600 12px "Source Sans 3";text-transform:uppercase;letter-spacing:.08em}.resource-library{padding:60px clamp(20px,6vw,92px) 100px}.resource-grade+.resource-grade{margin-top:75px}.resource-project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.resource-project-card{border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:7px 7px 0 var(--ink)}.resource-project-card>div{padding:26px;background:#dcefd6}.resource-project-card>div>span{font:700 12px "Exo";text-transform:uppercase;letter-spacing:.1em}.resource-project-card h3{font:700 28px/1.1 "Exo";margin:10px 0}.resource-project-card ol{list-style:none;padding:0;margin:0}.resource-project-card li+li{border-top:1px solid var(--line)}.resource-project-card li a{min-height:58px;padding:11px 18px;display:grid;grid-template-columns:38px 1fr;align-items:center;gap:10px;text-decoration:none;transition:background-color 180ms ease-out,padding-left 180ms ease-out}.resource-project-card li a:hover{padding-left:24px;background:var(--sky)}.resource-project-card li b{color:var(--blue);font-family:"Exo"}.resource-manager{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:46px;align-items:start;padding:65px clamp(20px,6vw,92px) 100px}.resource-form{position:sticky;top:105px}.resource-form .field-check{display:flex;align-items:center;gap:10px}.resource-form .field-check input{order:-1;min-height:22px;width:22px}.teacher-resource-list{display:grid;gap:16px}.teacher-resource-card{padding:24px;border:1px solid var(--line);border-left:7px solid var(--blue);border-radius:12px;background:var(--white)}.teacher-resource-card.is-hidden{opacity:.66;border-left-color:var(--muted)}.teacher-resource-card>span{font:700 12px "Exo";text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.teacher-resource-card h3{font:700 24px "Exo";margin:8px 0}.teacher-resource-card>div{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.teacher-resource-card>div>b{color:var(--green)}.lesson-resources{margin:55px 0}.student-resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.student-resource{padding:24px;border:2px solid var(--ink);border-radius:var(--radius);background:var(--white);box-shadow:5px 5px 0 var(--ink);overflow:hidden}.student-resource>span{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--sun);font:700 11px "Exo";text-transform:uppercase;letter-spacing:.08em}.student-resource h3{font:700 25px/1.15 "Exo";margin:13px 0}.student-resource img{display:block;width:100%;max-height:430px;object-fit:contain;border-radius:10px;background:#e7eadf}.student-resource.resource-text{grid-column:1/-1;border-left:8px solid var(--green)}.resource-text p:first-child{margin-top:0}.video-frame{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:10px;background:var(--ink)}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:900px){.resource-project-grid,.resource-manager{grid-template-columns:1fr}.resource-form{position:static}.student-resource-grid{grid-template-columns:1fr}.student-resource.resource-text{grid-column:auto}}
@media(max-width:600px){.resource-admin-hero{padding-top:55px;align-items:flex-start;flex-direction:column}.resource-count{width:96px;height:96px;font-size:34px}.resource-library,.resource-manager{padding-left:20px;padding-right:20px}.resource-project-card h3{font-size:24px}}

/* 2026 deadline schedule and automatic traffic-light progress */
.fair-schedule{margin:0 clamp(20px,5vw,72px) 34px;padding:28px;display:grid;grid-template-columns:180px minmax(0,1fr) 260px;gap:30px;align-items:center;border:2px solid var(--ink);border-radius:var(--radius);background:var(--white);box-shadow:7px 7px 0 var(--sun)}.fair-date{min-height:164px;padding:18px;display:flex;flex-direction:column;justify-content:center;text-align:center;border-radius:14px;background:var(--ink);color:white}.fair-date span{font:700 11px "Exo";text-transform:uppercase;letter-spacing:.12em;color:var(--sun)}.fair-date strong{font:800 72px/.95 "Exo"}.fair-date b{font-size:14px}.fair-schedule h2{font:800 clamp(30px,4vw,48px)/1 "Exo";margin:8px 0}.fair-schedule ol{display:grid;grid-template-columns:repeat(8,1fr);list-style:none;padding:0;margin:20px 0 0;border:1px solid var(--line);border-radius:9px;overflow:hidden}.fair-schedule ol li{padding:8px 5px;text-align:center;border-right:1px solid var(--line)}.fair-schedule ol li:last-child{border:0}.fair-schedule ol b,.fair-schedule ol span{display:block}.fair-schedule ol b{color:var(--blue);font-family:"Exo"}.fair-schedule ol span{font-size:12px}.traffic-legend{display:grid;gap:10px}.traffic-legend>span{display:grid;grid-template-columns:18px 1fr;gap:0 10px;align-items:center}.traffic-legend i{grid-row:1/3;width:18px;height:18px;border-radius:50%;background:var(--status)}.traffic-legend small{color:var(--muted)}.schedule-track,.portal-progress{position:relative;overflow:visible}.schedule-track>b,.portal-progress>b,.portal-progress>em{position:absolute;z-index:2;top:-4px;width:3px;height:20px;transform:translateX(-1px);background:var(--ink);border-radius:3px}.portal-progress>b,.portal-progress>em{top:-5px;height:22px;background:white}.team-progress small{display:block;margin-top:7px;color:var(--muted)}.portal-schedule{margin-top:18px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.portal-schedule p{margin:0}.progress-orbit.status-green{border-color:#4ade80}.progress-orbit.status-yellow{border-color:var(--sun)}.progress-orbit.status-red{border-color:#fb7185}.schedule-panel{border-left:8px solid var(--status)}.schedule-panel>.status-label{margin-bottom:14px;background:white}.schedule-panel>p{margin-bottom:0;font-size:15px}.schedule-panel .portal-progress{overflow:visible}
@media(max-width:1000px){.fair-schedule{grid-template-columns:150px 1fr}.traffic-legend{grid-column:1/-1;grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.fair-schedule{grid-template-columns:1fr;margin-left:20px;margin-right:20px}.fair-date{min-height:auto}.traffic-legend{grid-column:auto;grid-template-columns:1fr}.fair-schedule ol{grid-template-columns:repeat(4,1fr)}.portal-schedule{align-items:flex-start;flex-direction:column}}

/* Mobile-first usability layer: touch, readability and compact information architecture */
html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{overflow-wrap:anywhere}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
button,a,input,select,textarea,summary{touch-action:manipulation}
.text-link,.card-link{display:inline-flex;align-items:center;min-height:44px}
.field input,.field select,.field textarea{font-size:16px}
.menu-button{align-items:center;justify-content:center;gap:10px;border:2px solid var(--ink);border-radius:999px;font-weight:700}
.menu-button-icon,.menu-button-icon::before,.menu-button-icon::after{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform 180ms ease-out,opacity 180ms ease-out}
.menu-button-icon{position:relative}
.menu-button-icon::before,.menu-button-icon::after{content:"";position:absolute;left:0}
.menu-button-icon::before{top:-6px}.menu-button-icon::after{top:6px}
.menu-button[aria-expanded="true"] .menu-button-icon{background:transparent}
.menu-button[aria-expanded="true"] .menu-button-icon::before{top:0;transform:rotate(45deg)}
.menu-button[aria-expanded="true"] .menu-button-icon::after{top:0;transform:rotate(-45deg)}

@media(max-width:900px){
  html{scroll-padding-top:84px}
  body.menu-open{overflow:hidden}
  .site-header{height:72px;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
  .brand{gap:8px}.brand img{width:44px;height:44px}.brand strong{font-size:17px}.brand small{display:none}
  .menu-button{display:inline-flex;min-height:44px;padding:0 15px}
  .site-header nav{top:72px;max-height:calc(100dvh - 72px);overflow-y:auto;padding:14px max(16px,env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));gap:4px;background:rgba(246,242,232,.98);box-shadow:0 20px 35px rgba(16,42,45,.14)}
  .site-header nav>a{width:100%;min-height:50px;padding:8px 12px;border-radius:10px;border-bottom:0!important}
  .site-header nav>a:not(.button):active{background:#e7eadf}
  .site-header nav .button{margin-top:6px}
  .messages{top:82px;left:12px;right:12px;max-width:none}
  .hero,.project-hero,.page-hero,.page-hero-photo,.lesson-hero,.dashboard-head,.resource-admin-hero{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
  .hero{min-height:auto;padding-top:56px;padding-bottom:64px;gap:42px}
  .hero h1,.page-hero h1,.project-hero h1,.success-page h1,.login-shell h1,.dashboard-head h1,.team-summary h1{font-size:clamp(40px,10.5vw,62px);line-height:.96;letter-spacing:-.045em}
  .project-hero,.page-hero{padding-top:54px;padding-bottom:54px}
  .project-hero{gap:38px}.project-hero-photo{width:100%;aspect-ratio:16/10}
  .page-hero-photo{gap:34px}.page-hero-photo figure{width:100%;border-radius:54px 12px 54px 12px}
  .challenge-question,.page-hero>p:last-child{font-size:19px}
  .section,.materials-section,.resources-section,.phases-section,.teacher-evidence-section{padding:58px max(20px,env(safe-area-inset-left))}
  .section-heading,.lesson-section-head{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:28px}
  .section-heading h2,.detail-main h2,.safety-band h2,.section-heading.compact h2{font-size:clamp(32px,8vw,48px)}
  .grade-card{min-height:165px;padding:22px}.grade-name{font-size:34px}
  .project-card{min-height:0;padding:24px}.project-card h3{margin:30px 0 14px;font-size:clamp(29px,7vw,42px)}.project-card p{font-size:17px}
  .route-list li{min-height:125px}
  .detail-grid,.safety-band,.form-shell,.login-shell,.progress-layout,.phase-edit-shell,.team-manage-shell,.lesson-layout,.resource-manager{gap:36px}
  .form-shell,.login-shell,.progress-layout,.phase-edit-shell,.team-manage-shell,.lesson-layout,.resource-manager{padding:52px max(20px,env(safe-area-inset-left))}
  .form-card{padding:24px 20px}.form-card h2{font-size:29px}
  .actions{gap:12px;flex-wrap:wrap}.actions .button{flex:1 1 220px}
  .button{min-height:48px}.button-small{min-height:44px}
  .access-shell{padding:52px max(20px,env(safe-area-inset-left));gap:38px}.access-intro h1,.phase-edit-shell h1,.team-manage-shell h1,.delete-team-shell h1{font-size:clamp(40px,10vw,58px)}
  .access-pattern{margin-top:30px}.access-pattern span{width:58px;height:58px}
  .portal-hero{padding:42px max(20px,env(safe-area-inset-left)) 32px;gap:28px}.portal-hero h1{font-size:clamp(42px,11vw,64px)}.portal-hero form,.portal-hero form .button{width:100%}
  .portal-icon-strip{margin:0 20px 22px}
  .portal-overview{margin:0 20px;padding:24px 20px;grid-template-columns:1fr;gap:22px}.progress-orbit{width:118px;height:118px;border-width:8px}.progress-orbit strong{font-size:32px}
  .materials-grid,.resource-actions,.phase-grid,.resource-project-grid,.student-resource-grid{grid-template-columns:1fr}
  .material-card-head,.material-card>ul,.student-resource,.teacher-resource-card{padding-left:20px;padding-right:20px}
  .resource-form,.review-form{grid-template-columns:1fr;padding:20px}.resource-form .button,.review-form .button{width:100%}
  .phase-card{grid-template-columns:1fr;padding:20px;gap:8px}.phase-number{font-size:27px}.phase-actions{display:grid;grid-template-columns:1fr}.phase-actions .button{width:100%}
  .lesson-hero{grid-template-columns:1fr;gap:28px;padding-top:50px;padding-bottom:46px}.lesson-hero h1{font-size:clamp(40px,10vw,62px)}.lesson-clock{width:110px;height:110px;box-shadow:5px 5px 0 var(--ink)}.lesson-clock strong{font-size:38px}
  .lesson-section-head{margin-top:52px}.lesson-moments li{grid-template-columns:1fr}.moment-time{min-height:62px;flex-direction:row;gap:8px;border-right:0;border-bottom:1px solid var(--line)}.moment-time strong{font-size:30px}.lesson-moments li>div:last-child{padding:20px}.lesson-check>div,.lesson-check blockquote,.lesson-finish,.key-idea{padding:22px 20px}
  .lesson-finish{align-items:stretch}.lesson-finish .button{width:100%;white-space:normal}
  .fair-schedule{margin:0 20px 28px;padding:20px;gap:22px;box-shadow:5px 5px 0 var(--sun)}.fair-date strong{font-size:58px}.fair-schedule ol{grid-template-columns:repeat(4,1fr)}.fair-schedule ol li{min-width:0}
  .dashboard-head{padding-top:46px}.dashboard-head form,.dashboard-head form .button{width:100%}
  .metrics,.dashboard-section{padding-left:20px;padding-right:20px}.metrics article{padding:20px}.metrics strong{font-size:40px}
  .filters{padding:18px}.team-row{grid-template-columns:1fr;gap:18px;padding:20px}.team-identity{align-items:flex-start}.team-row-actions{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}.team-row-actions .button{grid-column:1/-1;width:100%}.team-row-actions .text-link{justify-content:center;min-height:44px}
  .teacher-phase-head{grid-template-columns:42px 1fr}.teacher-phase-head>b{grid-column:2}.teacher-phase-list>article{padding:20px}
  .resource-admin-hero{padding-top:48px}.resource-admin-hero h1{font-size:clamp(40px,10vw,60px)}.resource-library,.resource-manager{padding-top:46px;padding-bottom:70px}
  .resource-project-card{box-shadow:5px 5px 0 var(--ink)}.resource-project-card>div{padding:22px 20px}.resource-project-card h3{font-size:24px}
  .delete-team-shell{padding-top:60px;padding-bottom:70px}.delete-summary>div{padding:18px 20px}
  .site-footer{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right));padding-bottom:calc(38px + env(safe-area-inset-bottom))}
}

@media(min-width:601px) and (max-width:900px){
  .grade-grid,.project-grid,.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .materials-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.material-card.safety{grid-column:1/-1}
  .portal-icon-strip{grid-template-columns:repeat(3,1fr)}.portal-icon-strip>div{border-right:1px solid var(--line);border-bottom:0}.portal-icon-strip>div:last-child{border-right:0}
  .phase-card{grid-template-columns:64px 1fr}.phase-actions{display:flex}.phase-actions .button{width:auto}
  .team-row-actions{grid-template-columns:auto auto auto}.team-row-actions .button{grid-column:auto}
}

@media(max-width:400px){
  .menu-button{padding:0 12px}.menu-button span:first-child{font-size:14px}
  .hero h1{font-size:44px}.hero-art{max-width:310px}
  .eyebrow{font-size:11px;letter-spacing:.12em}
  .fair-schedule ol span{font-size:10px}.fair-schedule ol li{padding:8px 2px}
  .material-card-head{align-items:flex-start}.material-card-head>span{width:40px;height:40px;flex:0 0 40px}.material-card-head h3{font-size:21px}
}