/* Student home: a colourful learning studio. Other learning flows keep their layout. */
.site-index{background:#f5f5fc}
.site-index .app{background:linear-gradient(145deg,#f7f5ff 0%,#f5f8fc 55%,#fff9f0 100%)}
.site-index .app>aside{background:#fff;border-color:#e8e6f3}
.site-index .nav{color:#565873;border:1px solid transparent}
.site-index .nav>span{background:#eeebff;color:#6250ac;border-radius:10px}
.site-index .nav:nth-child(3n+2)>span{background:#dcf6ef;color:#17705f}
.site-index .nav:nth-child(3n)>span{background:#fff0d8;color:#94601d}
.site-index .nav.active{background:#6150b8;border-color:#6150b8;color:#fff;box-shadow:0 6px 16px #6150b826}
.site-index .nav.active>span{background:#ffffff25;color:#fff}
.site-index .nav:hover:not(.active){background:#f2efff;border-color:#e6dff8}
.site-index .top{align-items:center;margin-bottom:24px}
.site-index .top h1{font-size:clamp(23px,2.3vw,32px);color:#303456}
.site-index .top-actions{gap:8px}
.site-index .top-actions .account,.site-index .top-actions .link-button{background:#fff;border:1px solid #e0dfed;color:#56516f;border-radius:12px;padding:10px 13px;text-decoration:none;font-size:12px;min-height:40px;display:inline-flex;align-items:center}
.site-index .top-actions .profile{background:#eeebff;border-color:#dcd5f5;color:#51438a}
.site-index .site-language-bar{border-color:#e8e6f3;background:#fff}
.site-index .site-language-bar button[aria-pressed=true]{background:#6150b8;border-color:#6150b8}
.site-index #home .hub-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;min-height:240px;padding:32px 38px;border:1px solid #7966c9;border-radius:28px;background:radial-gradient(ellipse at 95% 15%,#b39ce4 0%,transparent 48%),linear-gradient(120deg,#433b88,#7260bd);box-shadow:0 12px 30px #57469d1a;color:#fff}
.site-index #home .hub-intro>div{min-width:0;max-width:670px;position:relative;z-index:1}
.site-index #home .hub-intro .eyebrow{display:inline-block;color:#fff2c9;background:#ffffff14;border:1px solid #ffffff30;padding:7px 11px;border-radius:8px;font-size:10px;letter-spacing:.13em}
.site-index #home .hub-intro h2{font-size:clamp(28px,3.2vw,42px);line-height:1.16;color:#fff;margin:16px 0 12px;letter-spacing:-.035em}
.site-index #home .hub-intro p{color:#f0ecff;font-size:14px;line-height:1.8;margin:0;max-width:600px}
.site-index #home .hub-mascot{width:190px;height:200px;object-fit:contain;flex:0 0 auto;align-self:center;filter:drop-shadow(0 15px 14px #28214a30);transform:rotate(6deg)}
.site-index #home .home-discovery-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;margin:22px 0}
.site-index #home .kv-home-link{display:grid;grid-template-columns:minmax(0,1fr) 150px;align-items:center;gap:12px 18px;margin:0;padding:24px;border:1px solid #b7e3d9;border-radius:24px;background:linear-gradient(120deg,#e0f6ed,#d7f1f1);box-shadow:0 8px 24px #26726208}
.site-index #home .kv-home-link .friend-home{grid-column:2;grid-row:1/3;width:150px;height:140px;object-fit:contain;max-width:100%}
.site-index #home .kv-home-link>div{grid-column:1;grid-row:1;font-size:12px;line-height:1.8;color:#3b6c64}
.site-index #home .kv-home-link strong{display:inline-block;font-size:20px;line-height:1.2;letter-spacing:-.025em;color:#20594f;margin-bottom:9px}
.site-index #home .kv-home-link button{grid-column:1;grid-row:2;justify-self:start;background:#236f62;color:#fff;border-radius:11px;padding:11px 16px;font-size:12px;min-height:42px;box-shadow:0 4px 9px #236f6216}
.site-index #home .home-video-card{margin:0;padding:24px;background:linear-gradient(120deg,#fff1df,#fff7e9);border:1px solid #efdab8;box-shadow:0 8px 24px #99591808;position:relative;min-width:0;border-radius:24px}
.site-index #home .home-video-icon{display:grid;place-items:center;float:right;width:46px;height:46px;border-radius:15px;background:#f5ce8d;color:#815117;font-size:19px;margin:0 0 12px 12px}
.site-index #home .home-video-card h3{color:#6f4b28;font-size:21px;margin:0 0 10px;line-height:1.25}
.site-index #home .home-video-card p{font-size:12px;color:#7c664a;margin:0 0 16px;line-height:1.8}
.site-index #home .home-video-card .hub-primary{background:#805b30;color:#fff;font-size:12px;min-height:42px}
.site-index #home .course-builder{border:1px solid #e0dded;border-radius:22px;padding:22px;margin-top:0;box-shadow:0 7px 22px #493a7407;gap:16px;grid-template-columns:minmax(120px,1fr) minmax(120px,1fr) minmax(150px,1.4fr) auto}
.site-index #home .picker-step>span{background:#eee9ff;color:#66509c;font-weight:800;border-radius:10px}
.site-index #home .picker-step:nth-child(2)>span{background:#def3ed;color:#2b7463}
.site-index #home .picker-step:nth-child(3)>span{background:#ffecd2;color:#8d602a}
.site-index #home .picker-step label{color:#655e7d;font-size:12px}
.site-index #home .picker-step select,.site-index #home .profile-grade-lock strong{background:#faf9ff;border-color:#e2ddee;color:#47415f;min-height:46px}
.site-index #home .hub-primary{background:#6150b8;color:#fff;border-radius:12px;min-height:46px}
.site-index #home .section-head{margin:28px 0 16px;gap:14px;flex-wrap:wrap}
.site-index #home .section-head h2{color:#37344f;font-size:23px}
.site-index #home .section-head>span{font-size:12px;color:#716a86}
.site-index #home .mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.site-index #home .mode-card{position:relative;min-height:155px;border:1px solid #dcd2f4;border-radius:22px;padding:22px;background:#eee8fb;color:#4c3b77;box-shadow:none;gap:6px}
.site-index #home .mode-card[data-mode=quiz]{background:#e4f4ee;border-color:#c6e5d6;color:#285e50}
.site-index #home .mode-card[data-mode=project]{background:#fff0e4;border-color:#efd5c0;color:#825338}
.site-index #home .mode-card .mode-icon{background:#fff9;color:inherit;width:42px;height:42px;border-radius:13px;margin-bottom:7px}
.site-index #home .mode-card strong{font-size:18px;line-height:1.3}
.site-index #home .mode-card small{color:inherit;opacity:.85;font-size:12px;line-height:1.5}
.site-index #home .mode-card.active{outline:2px solid #6952ae;outline-offset:2px;box-shadow:0 7px 20px #67509014}
.site-index #home .mode-card:hover{box-shadow:0 8px 22px #53457518;transform:translateY(-2px)}
.site-index #home .study-panel{border-color:#e0d9f0;border-radius:24px;box-shadow:0 10px 28px #52467508}
.site-index #home .study-panel::before{color:#7963a6}
.site-index #home .continue-empty{background:#fff;border-style:dashed;border-color:#dcd5ec;color:#7b718c;font-size:14px;box-shadow:none}
.site-index #home .classroom-feature{margin-top:28px;border-radius:24px;background:#e8edfc;border:1px solid #d2dcf4;padding:28px;color:#384b74}
.site-index #home .classroom-feature .eyebrow{color:#586ba2}
.site-index #home .classroom-feature h2{color:#354972}
.site-index #home .classroom-feature p{color:#596885}
.site-index #home .classroom-feature>a{background:#526ba7;color:white;border-radius:12px}
@media(max-width:1150px){.site-index #home .home-discovery-grid{grid-template-columns:1fr 1fr}.site-index #home .kv-home-link{grid-template-columns:1fr}.site-index #home .kv-home-link .friend-home{grid-column:1;grid-row:auto;width:150px;height:76px;justify-self:end}.site-index #home .kv-home-link>div{grid-row:auto}.site-index #home .kv-home-link button{grid-row:auto}.site-index #home .course-builder{grid-template-columns:repeat(2,minmax(0,1fr))}.site-index #home .hub-mascot{width:145px;height:170px}.site-index #home .hub-intro{padding:28px}.site-index #home .hub-intro p{font-size:13px}}
@media(max-width:760px){.site-index #home .home-discovery-grid{grid-template-columns:1fr}.site-index #home .kv-home-link{grid-template-columns:minmax(0,1fr) 120px}.site-index #home .kv-home-link .friend-home{grid-column:2;grid-row:1/3;width:120px;height:110px}.site-index #home .hub-intro{gap:12px;padding:24px;min-height:220px}.site-index #home .hub-mascot{width:105px;height:125px}.site-index #home .mode-card{padding:16px;min-height:150px}.site-index #home .mode-card strong{font-size:15px}}
@media(max-width:480px){.site-index #home .hub-intro{display:block;padding:24px}.site-index #home .hub-mascot{display:none}.site-index #home .hub-intro h2{font-size:30px}.site-index #home .course-builder{grid-template-columns:1fr}.site-index #home .mode-grid{grid-template-columns:1fr}.site-index #home .mode-card{min-height:0;display:grid;grid-template-columns:44px 1fr;gap:3px 12px;text-align:left;align-items:center}.site-index #home .mode-card .mode-icon{grid-row:1/3;margin:0}.site-index #home .mode-card small{grid-column:2}.site-index #home .home-video-card,.site-index #home .kv-home-link{padding:20px}.site-index #home .kv-home-link{grid-template-columns:minmax(0,1fr) 92px;gap:12px}.site-index #home .kv-home-link .friend-home{width:92px;height:100px}.site-index #home .classroom-feature{padding:22px}}