/* IDEAL Thinkers: Exo 2 headings, Poppins everything else, Flat UI colours */
:root{
  --ink:#2C3E50; --ink-2:#34495E; --muted:#5D6D7E; --bg:#FFFFFF; --soft:#ECF0F1; --line:#D5DBDF;
  --i:#1F618D; --d:#6C3483; --e:#117A65; --a:#A04000; --l:#922B21;
  --i-t:#E4ECF1; --d-t:#EDE7F0; --e-t:#E2EFED; --a-t:#F4E8E0; --l-t:#F2E6E4;
  --y1:#0E6655; --y2:#1E8449; --y3:#1F618D; --y4:#6C3483; --y5:#A04000; --y6:#922B21;
  --y1-t:#E2EDEB; --y2-t:#E4F0E9; --y3-t:#E4ECF1; --y4-t:#EDE7F0; --y5-t:#F4E8E0; --y6-t:#F2E6E4;
  --link:#1F618D; --btn:#117A65; --btn-h:#0E6655; --gold:#F1C40F;
  --r:20px; --shadow:0 2px 0 rgba(44,62,80,.06),0 8px 24px rgba(44,62,80,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Poppins,system-ui,sans-serif;font-size:17px;line-height:1.65}
h1,h2,h3{font-family:"Exo 2",Poppins,sans-serif;line-height:1.2;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;margin-top:1.4em}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--link);text-underline-offset:3px}
a:hover{color:var(--ink)}
abbr{text-decoration:none;border-bottom:1px dotted var(--muted);cursor:help}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:10}
.skip:focus{left:10px}
:focus-visible{outline:3px solid var(--a);outline-offset:3px;border-radius:6px}

/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:flex;flex-direction:column;gap:0;text-decoration:none;color:var(--ink);line-height:1.15}
.brand-name{font-family:"Exo 2",sans-serif;font-weight:800;font-size:1.5rem;letter-spacing:-.01em}
.bn-1{color:var(--ink)} .bn-2{color:#1F618D}
.brand-mark{display:flex;gap:3px}
.brand-mark .b{width:24px;height:24px;font-size:.8rem}
.nav{display:flex;flex-wrap:wrap;gap:4px 6px}
.nav a{text-decoration:none;color:var(--ink);font-weight:500;padding:6px 12px;border-radius:999px}
.nav a:hover{background:var(--soft)}
.nav a[aria-current="page"]{background:var(--ink);color:#fff}

/* IDEAL badges */
.badges{display:inline-flex;gap:4px;flex-wrap:wrap}
.b{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;font-family:"Exo 2",sans-serif;font-weight:800;font-size:.95rem;color:#fff}
.b-I{background:var(--i)} .b-D{background:var(--d)}
.b-E{background:var(--e)} .b-A{background:var(--a)}
.b-L{background:var(--l)}

/* hero and page heads */
.hero{background:linear-gradient(180deg,#FDFEFE 0%,var(--soft) 100%);padding:56px 0 40px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,#FCF3CF 0%,rgba(252,243,207,0) 70%)}
.hero .wrap{position:relative;z-index:1}
.eyebrow{font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;margin-bottom:.6em}
.eyebrow a{color:var(--muted)}
.lede{font-size:1.15rem;color:var(--ink-2)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.page-head{background:var(--soft);padding:44px 0 30px;margin-bottom:28px;border-bottom:6px solid var(--line)}
.y1 .page-head{background:var(--y1-t);border-color:var(--y1)} .y2 .page-head{background:var(--y2-t);border-color:var(--y2)}
.y3 .page-head{background:var(--y3-t);border-color:var(--y3)} .y4 .page-head{background:var(--y4-t);border-color:var(--y4)}
.y5 .page-head{background:var(--y5-t);border-color:var(--y5)} .y6 .page-head{background:var(--y6-t);border-color:var(--y6)}
.kicker{font-weight:600;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.bq{font-weight:600;color:var(--ink-2)} .bq.big{font-size:1.25rem}

/* buttons */
.btn{display:inline-block;background:var(--btn);color:#fff;text-decoration:none;font-weight:600;padding:11px 20px;border-radius:999px;border:2px solid var(--btn);line-height:1.2}
.btn:hover{background:var(--btn-h);border-color:var(--btn-h);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* sections, grids, cards */
section{margin-bottom:36px}
.band{background:var(--soft);padding:34px 0 26px}
.grid{display:grid;gap:18px;margin:18px 0}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.card h3 a{text-decoration:none;color:var(--ink)} .card h3 a:hover{text-decoration:underline}
a.card{text-decoration:none;color:var(--ink);transition:transform .15s ease}
a.card:hover{transform:translateY(-3px)}
.lesson-card{border-top:8px solid var(--line)}
.lesson-card.y1{border-top-color:var(--y1)} .lesson-card.y2{border-top-color:var(--y2)} .lesson-card.y3{border-top-color:var(--y3)}
.lesson-card.y4{border-top-color:var(--y4)} .lesson-card.y5{border-top-color:var(--y5)} .lesson-card.y6{border-top-color:var(--y6)}
.card-kicker{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.85rem;font-weight:600;color:var(--muted);margin-bottom:.4em}
.card-idea{color:var(--ink-2)}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0}
.links{font-size:.9rem;color:var(--muted)}
.tag{display:inline-block;font-size:.78rem;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--ink)}
.tag-challenge{background:var(--gold);color:var(--ink)}
.year-card{display:flex;flex-direction:column;gap:6px;border-top:10px solid}
.year-card.y1{border-top-color:var(--y1)} .year-card.y2{border-top-color:var(--y2)} .year-card.y3{border-top-color:var(--y3)}
.year-card.y4{border-top-color:var(--y4)} .year-card.y5{border-top-color:var(--y5)} .year-card.y6{border-top-color:var(--y6)}
.yc-n{font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}
.yc-t{font-family:"Exo 2",sans-serif;font-weight:800;font-size:1.45rem}
.yc-q{color:var(--ink-2)}
.thread-n{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--ink);color:#fff;align-items:center;justify-content:center;font-family:"Exo 2",sans-serif;font-weight:800;margin-bottom:10px}
.thread h2{margin-top:0}
.fw h3{margin-bottom:.4em}
.more{font-weight:600}
.note{color:var(--muted);font-size:.95rem}

/* licence panel */
.licence-panel{background:#FEF9E7;border:3px solid var(--gold);border-radius:var(--r);padding:22px 24px;margin:28px 0}
.lp-title{font-family:"Exo 2",sans-serif;font-weight:800;font-size:1.35rem;margin-bottom:.4em}

/* AI loop */
.loop{list-style:none;padding:0;margin:18px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px;counter-reset:s}
.loop li{border-radius:var(--r);padding:18px;background:#fff;border:2px solid var(--line);position:relative}
.loop-n{display:block;font-family:"Exo 2",sans-serif;font-weight:800;font-size:1.3rem;margin-bottom:4px}
.loop li{color:#fff;border:0}
.loop .loop-1{background:var(--i)} .loop .loop-2{background:var(--d)} .loop .loop-3{background:var(--a)} .loop .loop-4{background:var(--e)}

/* phases */
.phases{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}
.phases li{display:grid;grid-template-columns:minmax(150px,200px) 110px 1fr;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;align-items:start}
.ph-n{font-family:"Exo 2",sans-serif;font-weight:700}
.ph-t{font-weight:600;color:var(--muted)}
@media (max-width:700px){.phases li{grid-template-columns:1fr}}

/* tables */
.table-wrap{overflow-x:auto;margin:16px 0 24px;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;min-width:560px;background:#fff}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
thead th{background:var(--ink);color:#fff;font-family:"Exo 2",sans-serif}
tbody th{font-weight:600}
tr.grp th{background:var(--soft);font-family:"Exo 2",sans-serif}
.ideal-table tbody th{white-space:nowrap}
.ideal-table .b{width:26px;height:26px;font-size:.85rem;margin-right:6px}

/* map filters */
.filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}
.f-label{font-weight:600;margin:0 4px 0 8px}
.f-label:first-child{margin-left:0}
.f-btn{font:inherit;font-weight:600;min-width:42px;padding:7px 12px;border-radius:999px;border:2px solid var(--ink);background:#fff;color:var(--ink);cursor:pointer}
.f-btn[aria-pressed="true"]{background:var(--ink);color:#fff}
.f-clear{border-style:dashed}
.f-count{min-height:1.6em;color:var(--muted);margin-top:10px}
.map-year h2 a{color:var(--ink);text-decoration:none}
.map-year h2 a:hover{text-decoration:underline}
.map-year{margin-bottom:28px}
.hidden{display:none!important}

/* lesson page */
.lesson-body{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:30px;align-items:start}
@media (max-width:900px){.lesson-body{grid-template-columns:1fr}}
.lesson-main h2:first-child{margin-top:0}
.ican{list-style:none;padding:0;margin:0 0 1em;display:grid;gap:8px}
.ican li{background:var(--soft);border-radius:12px;padding:12px 16px 12px 46px;position:relative;font-weight:500}
.ican li::before{content:"";position:absolute;left:16px;top:16px;width:16px;height:16px;border-radius:50%;background:var(--btn)}
.embed{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--soft)}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed+.note{margin-top:22px}
.lesson-side{display:grid;gap:16px;position:sticky;top:90px}
@media (max-width:900px){.lesson-side{position:static}}
.side-card{padding:16px 20px}
.side-row{margin:0 0 .5em;display:grid;gap:2px}
.side-row span{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.file{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow)}
.file h3{margin-bottom:.6em}
.file-btns{display:flex;flex-wrap:wrap;gap:8px;margin:0}
.file-btns .btn{padding:9px 16px;font-size:.95rem}
.flag{border-radius:14px;padding:14px 18px;margin-bottom:18px}
.flag-safe{background:var(--y1-t);border-left:6px solid var(--y1)}
.flag-demo{background:var(--i-t);border-left:6px solid var(--i)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:10px 0 40px}
.pn a{display:block;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-weight:600}
.pn a span{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.pn a:hover{border-color:var(--ink)}
.pn-next{text-align:right}
@media (max-width:600px){.pn{grid-template-columns:1fr}.pn-next{text-align:left}}
.list{padding-left:1.2em}

/* footer */
.foot{background:var(--ink);color:#ECF0F1;padding:30px 0 20px;margin-top:40px}
.foot a{color:#fff}
.foot-links{display:flex;flex-wrap:wrap;gap:16px}

/* road map */
.roadmap{margin:0}
.roadmap-frame{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.roadmap-frame img{display:block;width:100%;height:auto;max-width:100%}
.spot{position:absolute;border-radius:6px;outline:3px solid transparent;transition:outline-color .15s ease,background .15s ease}
.spot:hover,.spot:focus-visible{outline-color:var(--gold);background:rgba(241,196,15,.12)}
.roadmap figcaption{margin-top:14px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.map-h{margin-top:.5em}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}a.card:hover{transform:none}}

/* year strip */
.years-bar{background:var(--soft);border-top:1px solid var(--line)}
.years-in{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;padding-top:8px;padding-bottom:8px}
.yb{display:flex;flex-direction:column;text-decoration:none;color:#fff;border-radius:10px;padding:6px 10px;line-height:1.2;min-width:0}
.yb.y1{background:var(--y1)} .yb.y2{background:var(--y2)} .yb.y3{background:var(--y3)} .yb.y4{background:var(--y4)} .yb.y5{background:var(--y5)} .yb.y6{background:var(--y6)}
.yb-n{font-family:"Exo 2",sans-serif;font-weight:800;font-size:.95rem}
.yb-t{font-size:.75rem;opacity:.95;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.yb:hover,.yb-on{color:#fff;box-shadow:inset 0 -4px 0 var(--gold)}
@media (max-width:760px){.years-in{grid-template-columns:repeat(3,minmax(0,1fr))}.yb-t{display:none}}
.pill-line{display:flex;flex-wrap:wrap;gap:8px}

/* posters and year groups */
.poster{display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center;margin-top:28px}
.poster img{width:100%;height:auto;max-width:100%;border:1px solid var(--line);border-radius:8px}
.poster h2{margin-top:0}
@media (max-width:560px){.poster{grid-template-columns:1fr}.poster img{max-width:220px}}
.yg{border-top:10px solid var(--line)}
.yg.y1{border-top-color:var(--y1)} .yg.y2{border-top-color:var(--y2)} .yg.y3{border-top-color:var(--y3)} .yg.y4{border-top-color:var(--y4)} .yg.y5{border-top-color:var(--y5)} .yg.y6{border-top-color:var(--y6)}
.yg h2{margin-top:0;font-size:1.4rem}
.yg h2 a{color:var(--ink);text-decoration:none}
.yg-n{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.yg-list{padding-left:0;list-style:none;display:grid;gap:4px}
.brand-tag{font-size:.82rem;font-weight:500;color:var(--muted)}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}
.poster-card{display:flex;flex-direction:column}
.poster-card h3{margin-top:14px}
.poster-card p:last-child{margin-top:auto;margin-bottom:0}
.pc-img{display:flex;align-items:center;justify-content:center;background:var(--soft);border-radius:12px;padding:12px;aspect-ratio:3/4}
.pc-img img{max-width:100%;max-height:100%;width:auto;height:auto;border-radius:4px;box-shadow:0 2px 8px rgba(44,62,80,.18)}
.card h2:first-child,.card h3:first-child{margin-top:0}
.how-cards{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.how-card h2{font-size:1.35rem;margin:14px 0 .4em}
.how-card p:last-child{margin-bottom:0}
.ic{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;color:#fff}
.ic-i{background:var(--i)} .ic-a{background:var(--a)} .ic-e{background:var(--e)} .ic-d{background:var(--d)} .ic-l{background:var(--l)}
.yi{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;color:#fff;flex:none}
.yi1{background:var(--y1)} .yi2{background:var(--y2)} .yi3{background:var(--y3)} .yi4{background:var(--y4)} .yi5{background:var(--y5)} .yi6{background:var(--y6)}
.year-card .yi{margin-bottom:8px}
.yg .yi{margin-bottom:12px}
.yh{display:flex;align-items:center;gap:16px;margin-bottom:.4em}
.yh .yi{width:72px;height:72px;border-radius:20px}
.yh h1{margin:0}
@media (max-width:560px){.yh{flex-direction:column;align-items:flex-start;gap:10px}}

/* icon variants and placements */
.ic-w{background:rgba(255,255,255,.2);color:#fff}
.ic-gold{background:var(--gold);color:var(--ink)}
.lp-title{display:flex;align-items:center;gap:12px}
.lp-title .ic{width:44px;height:44px;flex:none}
.loop-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.loop-num{font-family:"Exo 2",sans-serif;font-weight:800;font-size:2rem;line-height:1;opacity:.85}
.loop-ic{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px}
.card>.ic{margin-bottom:12px}
.file-h{display:flex;align-items:center;gap:10px}
.file-h .ic{width:38px;height:38px;border-radius:10px;flex:none}

/* Chatty */
.chatty{display:block;height:auto}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.chatty-hero{width:170px}
.head-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.chatty-head{width:110px}
@media (prefers-reduced-motion:no-preference){.chatty-hero{animation:float 5s ease-in-out infinite}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (max-width:700px){.hero-grid,.head-grid{grid-template-columns:1fr}.hero-art{display:none}.chatty-head{width:80px}}

/* road map on home */
.home-map-img{display:block;margin:16px 0}
.home-map-img img{display:block;width:100%;height:auto;border-radius:var(--r);box-shadow:0 6px 24px rgba(44,62,80,.15)}

/* FAQ */
.home-faq{padding:34px 0 6px}
.faq{border-top:1px solid var(--line);padding:16px 0 4px}
.faq h3{margin:0 0 .3em}