:root{--navy:#1d1e4b;--coral:#ff5a5f;--sky:#3a86ff;--sun:#ffbe0b;--grape:#8338ec;--mint:#06d6a0;--orange:#ff8c42;--ink:#1d1e4b;--muted:#565a7c;--bg:#fffaf0;--white:#fff;--r:18px;--pop:5px 5px 0 var(--navy)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:1rem/1.7 "Inter",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
h1,h2,h3{font-family:"Baloo 2","Trebuchet MS",sans-serif;line-height:1.1;color:var(--navy);font-weight:800}
h1{font-size:clamp(2.2rem,6vw,3.8rem);margin:.1em 0 .25em}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin:1.6em 0 .5em}
h3{font-size:1.3rem;margin:.6em 0 .3em}
a{color:#2059c9;font-weight:600}a:hover{color:var(--coral)}
img,svg{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.rainbow{height:8px;background:linear-gradient(90deg,var(--coral) 0 20%,var(--orange) 20% 40%,var(--sun) 40% 60%,var(--mint) 60% 80%,var(--sky) 80% 90%,var(--grape) 90%)}

/* Header */
.site-header{background:var(--white);border-bottom:3px solid var(--navy);position:sticky;top:0;z-index:5}
.head-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font:800 1.8rem/1 "Baloo 2",sans-serif}
.brand b,.brand-foot b{color:var(--coral)}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav>ul{display:flex;align-items:center;gap:6px}
.site-nav>ul>li>a{display:block;padding:8px 14px;border-radius:12px;color:var(--navy);text-decoration:none;font-weight:700;border:2px solid transparent}
.site-nav>ul>li>a:hover,.site-nav>ul>li>a.active,.site-nav>ul>li>a[aria-current]{border-color:var(--navy);background:#fff3cc}
.site-nav .nav-cta{background:var(--coral);color:#fff!important;border-color:var(--navy)!important;box-shadow:3px 3px 0 var(--navy)}
.has-mega{position:relative}
.mega{display:none;position:absolute;right:-180px;top:100%;background:#fff;border:3px solid var(--navy);border-radius:var(--r);box-shadow:var(--pop);padding:14px;width:640px}
.mega ul{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega a{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:10px;text-decoration:none;color:var(--navy)}
.mega a:hover,.mega a[aria-current]{background:#eef4ff}
.mega .ico{width:30px;height:30px;flex:none}
.has-mega:hover .mega,.has-mega:focus-within .mega{display:block}
.navtoggle,.burger{display:none}
@media(max-width:960px){
 .burger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;border:2px solid var(--navy);border-radius:10px}
 .burger span{width:24px;height:3px;background:var(--navy);border-radius:2px}
 .site-nav{display:none;position:absolute;left:0;right:0;top:79px;background:#fff;border-bottom:3px solid var(--navy);padding:10px 20px 20px;max-height:calc(100vh - 80px);overflow:auto}
 .site-nav>ul{flex-direction:column;align-items:stretch}
 .mega{display:block;position:static;width:auto;border:0;box-shadow:none;padding:0 0 0 8px}
 .mega ul{grid-template-columns:1fr}
 .navtoggle:checked~.site-nav{display:block}
}

/* Banner */
.banner{position:relative;background:var(--navy);color:#fff;padding:56px 0 64px;overflow:hidden;border-bottom:6px solid var(--accent,var(--sky))}
.confetti{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.banner-inner{position:relative;display:flex;gap:28px;align-items:center}
.banner h1{color:#fff}
.banner a{color:var(--sun)}
.kicker{display:inline-block;margin:0;background:var(--accent,var(--sky));color:#fff;border:2px solid #fff;border-radius:999px;padding:3px 14px;font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
.sub{font-size:1.15rem;max-width:720px;color:#e7e8ff}
.sticker-badge{flex:none;width:130px;height:130px;border-radius:30px;background:#fff;display:grid;place-items:center;border:4px solid #fff;box-shadow:6px 6px 0 var(--accent,var(--sky));transform:rotate(-5deg)}
.sticker-badge .ico{width:86px;height:86px}
@media(max-width:640px){.sticker-badge{display:none}}

/* Home hero */
.home-hero{background:var(--sun);border-bottom:3px solid var(--navy);padding:50px 0;overflow:hidden}
.home-hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}
.home-hero h1{font-size:clamp(2.5rem,7vw,4.4rem)}
.home-hero h1 span{background:#fff;padding:0 10px;border:3px solid var(--navy);border-radius:14px;box-shadow:4px 4px 0 var(--coral);display:inline-block;transform:rotate(-2deg)}
.home-hero p{font-size:1.18rem}
@media(max-width:820px){.home-hero .wrap{grid-template-columns:1fr}}

/* Buttons */
.btn{display:inline-block;background:var(--sky);color:#fff;text-decoration:none;font-weight:700;padding:10px 18px;border-radius:12px;border:3px solid var(--navy);box-shadow:3px 3px 0 var(--navy);cursor:pointer;font-size:1rem;transition:transform .08s,box-shadow .08s}
.btn:hover{color:#fff;transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--navy)}
.btn-shop{background:var(--coral)}
.btn-ghost{background:#fff;color:var(--navy)}.btn-ghost:hover{color:var(--navy)}
.btn-lg{font-size:1.1rem;padding:13px 22px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* Sections & stickers */
.section{padding:30px 0 50px}
.section.tint{background:#eef4ff;border-top:3px solid var(--navy);border-bottom:3px solid var(--navy)}
.section.dots{background:radial-gradient(#ffd166 2px,transparent 2px) 0 0/20px 20px,#fffaf0}
.sticker{background:#fff;border:3px solid var(--navy);border-radius:var(--r);box-shadow:var(--pop);padding:20px}
.cards{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.pick{display:flex;flex-direction:column}
.pick p{flex:1;margin:.2em 0 1em}
.pick .btn{align-self:flex-start}
.dept-card{display:flex;flex-direction:column;position:relative;padding-top:26px}
.dept-card .ico{width:58px;height:58px;position:absolute;top:-22px;right:16px;background:#fff;border-radius:16px;padding:4px;border:3px solid var(--navy)}
.dept-card h3 a{color:var(--navy);text-decoration:none}
.dept-card p{flex:1}
.dept-card .row-btns{display:flex;gap:10px;flex-wrap:wrap}
.dept-card{border-top:12px solid var(--c,var(--sky))}
.dept-grid{display:grid;gap:34px 22px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));margin-top:36px}

/* Department layout */
.dept-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.dept-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding:6px 0 6px 34px;border-bottom:2px dotted #d7d9ee}
.checklist li::before{content:"";position:absolute;left:0;top:9px;width:20px;height:20px;border:3px solid var(--navy);border-radius:6px;background:#fff}
.checklist li:nth-child(odd)::after{content:"";position:absolute;left:6px;top:11px;width:7px;height:12px;border:solid var(--mint);border-width:0 4px 4px 0;transform:rotate(45deg)}
.pick-list{display:flex;flex-direction:column;gap:16px}
.pick-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}
.pick-row h3{margin:0}.pick-row p{margin:.3em 0 0}
@media(max-width:900px){.dept-layout{grid-template-columns:1fr}.dept-side{position:static}}
@media(max-width:560px){.pick-row{grid-template-columns:1fr}}
.qa{border:3px solid var(--navy);border-radius:14px;background:#fff;margin:12px 0;overflow:hidden}
.qa summary{padding:12px 16px;font-weight:700;cursor:pointer;background:#fff3cc}
.qa p{padding:0 16px 8px}
.protip{display:flex;gap:16px;align-items:center;background:var(--mint);border:3px solid var(--navy);border-radius:var(--r);padding:16px 20px;box-shadow:var(--pop);margin:30px 0}
.protip .ico{width:54px;height:54px;flex:none}
.protip p{margin:0;font-weight:600}
.cta{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;background:#fff;border:3px dashed var(--navy);border-radius:var(--r);padding:20px;margin:32px 0}
.cta h3{margin:0}.cta p{margin:.2em 0 0}
.cta-icon{width:66px;height:66px}
@media(max-width:700px){.cta{grid-template-columns:1fr;text-align:center}.cta-icon{margin:0 auto}}

/* Timeline */
.timeline{display:flex;gap:14px;overflow-x:auto;padding:10px 4px 18px;scroll-snap-type:x mandatory}
.timeline .sticker{flex:0 0 200px;scroll-snap-align:start;padding:14px}
.timeline .mo{display:inline-block;font:800 .8rem "Inter",sans-serif;text-transform:uppercase;background:var(--navy);color:#fff;border-radius:8px;padding:2px 8px}
.timeline h3{margin:.4em 0 .2em;font-size:1.15rem}
.timeline p{margin:0;font-size:.93rem}

/* Projects */
.proj-meta{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0;padding:0;list-style:none}
.proj-meta li{background:#fff;color:var(--navy);border:2px solid var(--navy);border-radius:999px;padding:3px 12px;font-weight:700;font-size:.9rem}
.proj-layout{display:grid;grid-template-columns:1fr 330px;gap:36px;align-items:start}
.proj-steps{counter-reset:s;list-style:none;padding:0}
.proj-steps li{counter-increment:s;position:relative;padding:14px 16px 14px 70px;margin-bottom:14px;background:#fff;border:3px solid var(--navy);border-radius:14px}
.proj-steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:40px;height:40px;border-radius:50%;background:var(--sun);border:3px solid var(--navy);font:800 1.2rem/34px "Baloo 2",sans-serif;text-align:center}
.supplies ul{padding-left:20px}
.stack .btn{display:block;text-align:center;margin:10px 0}
@media(max-width:900px){.proj-layout{grid-template-columns:1fr}}
.proj-card{display:flex;flex-direction:column}
.proj-card .ico{width:60px;height:60px}
.proj-card p{flex:1}

/* Tables, misc */
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:separate;border-spacing:0;border:3px solid var(--navy);border-radius:14px;overflow:hidden;background:#fff}
th,td{padding:10px 12px;text-align:left;border-bottom:2px solid #e6e7f5;vertical-align:top}
th{background:var(--sky);color:#fff;font-family:"Baloo 2",sans-serif;font-size:1.05rem}
.quiz{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.quiz .sticker h3{margin-top:0}
.note{border:3px solid var(--navy);border-radius:14px;padding:14px 18px;margin:20px 0;background:#fff}
.note.ok{background:#dcfff4}.note.err{background:#ffe1e2}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;text-align:center}
.why .ico{width:64px;height:64px}

/* Forms */
form label{display:block;font-weight:700;margin:14px 0 4px}
input,textarea{width:100%;padding:11px 12px;border:3px solid var(--navy);border-radius:12px;font:inherit;background:#fff}
input:focus,textarea:focus{outline:4px solid rgba(58,134,255,.35)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.row{grid-template-columns:1fr}}
.hp{position:absolute;left:-9999px}

/* Footer */
.site-footer{background:var(--navy);color:#dfe0f5;padding:36px 0 20px;border-top:8px solid var(--sun)}
.site-footer a{color:var(--sun)}
.site-footer h3{color:#fff;font-size:1.15rem}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:4px 0}
.cols2{columns:2}
.disclosure{display:flex;gap:16px;align-items:flex-start;background:#fff;color:var(--navy);border-radius:var(--r);padding:16px 20px;border:3px solid var(--sun)}
.disclosure .ico{width:44px;height:44px;flex:none}
.disclosure p{margin:0;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:34px;margin-top:20px}
.brand-foot{font:800 1.6rem "Baloo 2",sans-serif;color:#fff;margin:.4em 0 .2em}
.copy{font-size:.85rem;opacity:.8;border-top:1px solid rgba(255,255,255,.2);padding-top:14px;margin-top:26px}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr}}