:root{--bg:#080d1b;--panel:#10182b;--text:#f4f7ff;--muted:#aab4cc;--cyan:#53e2ff;--violet:#9a7bff;--line:rgba(167,190,255,.15)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:800}.mark{height:42px;width:42px;border-radius:13px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:grid;place-items:center;color:#07111e;font-weight:900;box-shadow:0 0 28px #53e2ff35}.brand small{display:block;color:var(--muted);font-weight:500;font-size:10px;margin-top:3px;letter-spacing:.05em}.links{display:flex;gap:25px;color:#c2cbe0;font-size:13px}.links a:hover,.links a.active{color:var(--cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;padding:13px 19px;font-weight:750;color:#06111d;background:linear-gradient(110deg,var(--cyan),#9ceeff);box-shadow:0 10px 30px #53e2ff20;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}.hero{position:relative;min-height:510px;display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:25px;padding:60px 0;overflow:hidden}.hero:before{content:"";position:absolute;width:550px;height:550px;border-radius:50%;background:radial-gradient(circle,#563bea30,transparent 68%);right:-70px;top:0;pointer-events:none}.eyebrow,.kicker{color:var(--cyan);font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:800}.eyebrow{display:inline-flex;align-items:center;gap:9px;border:1px solid #53e2ff3a;background:#53e2ff0d;border-radius:30px;padding:8px 13px}.dot{width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 12px var(--cyan)}h1{font-size:clamp(44px,6vw,72px);line-height:1.03;letter-spacing:-.055em;margin:22px 0 20px}h1 span,.gradient{background:linear-gradient(95deg,var(--cyan),#b39aff 78%);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{color:var(--muted);font-size:17px;line-height:1.75;max-width:610px}.actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.art{height:390px;position:relative;display:grid;place-items:center}.orb{position:absolute;width:min(340px,80vw);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 40% 34%,#3b587b,#1b2a47 40%,#10182b 70%);border:1px solid #8eeaff35;box-shadow:inset 0 0 50px #9a7bff24,0 0 90px #6248ff20}.ring{position:absolute;width:390px;max-width:100%;aspect-ratio:1;border:1px solid #83e9ff38;border-radius:50%;transform:rotate(-25deg) scaleY(.42)}.ring.r2{transform:rotate(53deg) scaleY(.42);border-color:#a58cff55}.core{position:relative;z-index:1;width:145px;height:145px;border-radius:32px;display:grid;place-items:center;background:linear-gradient(145deg,var(--cyan),#8772ff);box-shadow:0 0 70px #53e2ff55;transform:rotate(-8deg);font-size:38px;font-weight:950;color:#07111e}.float{position:absolute;z-index:2;background:#111a2e;border:1px solid var(--line);border-radius:14px;padding:12px 15px;box-shadow:0 15px 35px #0005;font-size:12px;color:#c4cee4}.float strong{display:block;color:white;font-size:14px;margin-bottom:3px}.f1{top:45px;right:0}.f2{bottom:50px;left:0}.section{padding:65px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}.section h2,.page-title{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;margin:9px 0}.section-head p,.section-intro{color:var(--muted);line-height:1.75;max-width:550px;margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{background:linear-gradient(145deg,#131d32,#0d1424);border:1px solid var(--line);border-radius:20px;padding:24px;transition:.2s}.card:hover{transform:translateY(-4px);border-color:#53e2ff55}.card h3{margin:12px 0 9px;font-size:19px}.card p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}.icon{height:44px;width:44px;border-radius:13px;background:#53e2ff12;border:1px solid #53e2ff24;display:grid;place-items:center;font-size:21px}.banner{padding:39px 0 35px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 82% 20%,#634bea23,transparent 42%)}.banner .lead{font-size:15px}.banner h1{font-size:clamp(40px,5vw,60px);margin:15px 0}.event-card{padding:0;overflow:hidden}.event-top{height:130px;background:radial-gradient(circle at 75% 30%,#6e58ee99,transparent 36%),linear-gradient(120deg,#123343,#121a34);padding:18px;display:flex;align-items:flex-start;justify-content:space-between}.event-top.t2{background:radial-gradient(circle at 75% 30%,#39d8e766,transparent 36%),linear-gradient(120deg,#163946,#141d36)}.event-top.t3{background:radial-gradient(circle at 75% 30%,#c26dff77,transparent 36%),linear-gradient(120deg,#352045,#141d36)}.date,.tag{border-radius:30px;padding:7px 10px;font-size:11px}.date{background:#080d1bcc;border:1px solid #ffffff26;color:#d5def0}.tag{background:#53e2ff1c;border:1px solid #53e2ff38;color:#a8f1ff}.event-body{padding:20px}.event-body h3{margin:0 0 8px}.event-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.project-box{background:linear-gradient(115deg,#131c30,#11172a);border:1px solid var(--line);border-radius:24px;padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}.project-art{height:240px;border-radius:18px;background:radial-gradient(circle at 50% 35%,#344e76,#171f3c 55%,#101626);display:grid;place-items:center;position:relative;overflow:hidden}.project-art:before,.project-art:after{content:"";position:absolute;width:240px;height:90px;border:1px solid #53e2ff80;border-radius:50%;transform:rotate(-26deg)}.project-art:after{transform:rotate(40deg);border-color:#a58cff99}.project-art b{position:relative;z-index:1;background:linear-gradient(140deg,#53e2ff,#9477ff);width:90px;height:90px;border-radius:24px;display:grid;place-items:center;color:#07111e;font-size:24px;box-shadow:0 0 55px #53e2ff5c}.cta{margin:55px 0;padding:38px;border:1px solid #53e2ff35;border-radius:24px;background:radial-gradient(ellipse at 85% 10%,#684bea2b,transparent 43%),#111a2e;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta h2{font-size:clamp(27px,4vw,40px);margin:8px 0}.cta p{margin:0;color:var(--muted);line-height:1.65}.footer{border-top:1px solid var(--line);padding:24px 0 32px;display:flex;justify-content:space-between;gap:16px;color:#8995ae;font-size:12px}.form{display:grid;gap:14px;max-width:680px}.form label{font-size:13px;color:#c7d0e3}.form input,.form select,.form textarea{width:100%;margin-top:7px;background:#0a1020;border:1px solid #ffffff20;color:white;border-radius:10px;padding:13px;font:inherit;outline:none}.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--cyan)}.notice{padding:15px;border-radius:12px;background:#53e2ff12;border:1px solid #53e2ff33;color:#bdefff;line-height:1.6}.tabrow{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 20px}.filter{background:#10182b;border:1px solid var(--line);color:#bdc8de;padding:9px 14px;border-radius:30px;cursor:pointer}.filter.on{background:#53e2ff1c;border-color:#53e2ff70;color:#9ceeff}.mobile{display:none}@media(max-width:850px){.links{gap:14px;font-size:12px}.nav>.btn{padding:11px 13px}.hero{grid-template-columns:1fr}.art{height:310px}.grid3{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.wrap{width:min(100% - 30px,1160px)}.links{display:flex;order:3;width:100%;overflow-x:auto;gap:20px;padding:13px 0 7px;white-space:nowrap}.nav{height:auto;min-height:70px;flex-wrap:wrap;padding-top:10px}.nav>.btn{display:none}.hero{padding:35px 0 45px}.art{height:280px;grid-row:1}.orb{width:245px}.ring{width:300px}.core{width:110px;height:110px}.f1{right:0;top:20px}.f2{left:0;bottom:20px}.section{padding:48px 0}.section-head{display:block}.section-head p{margin-top:12px}.grid3,.grid2{grid-template-columns:1fr}.project-box{grid-template-columns:1fr;padding:20px}.cta{display:block;padding:25px;margin:35px 0}.cta .btn{margin-top:18px}.footer{display:block;line-height:2}.banner{padding:30px 0}.nav{height:70px}}

.btn.disabled{opacity:.65;cursor:not-allowed;filter:saturate(.5)}.btn.disabled:hover{transform:none}

.guide-link{display:inline-block;color:var(--cyan);font-size:12px;font-weight:750;margin-top:17px}.card[href]{display:block}.card[href]:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* Shared learning-page layout */
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}.toc{position:sticky;top:20px;padding:20px;background:#10182b;border:1px solid var(--line);border-radius:16px}.toc b{display:block;margin-bottom:12px}.toc a{display:block;color:var(--muted);font-size:13px;padding:8px 0}.toc a:hover{color:var(--cyan)}
@media(max-width:750px){.guide-layout{grid-template-columns:1fr}.toc{position:static;display:grid;grid-template-columns:repeat(2,1fr)}.toc b{grid-column:1/-1}}
/* Custom illustrations */
.hero-photo-wrap{height:390px;min-height:0;border-radius:26px;overflow:visible}.hero-photo{display:block;width:100%;height:100%;object-fit:cover;border-radius:26px;border:1px solid #8eeaff40;box-shadow:0 26px 80px #0008,0 0 55px #53e2ff20}.visual-break{margin-top:28px;margin-bottom:10px}.page-illustration{display:block;width:100%;height:260px;object-fit:cover;border-radius:22px;border:1px solid var(--line);box-shadow:0 20px 60px #0005}.visual-break{position:relative}.visual-break:after{content:"";position:absolute;inset:0 12px;border-radius:22px;background:linear-gradient(90deg,#080d1b2e,transparent 60%);pointer-events:none}
@media(max-width:800px){.hero-photo-wrap{height:330px}.page-illustration{height:220px}}
@media(max-width:650px){.hero-photo-wrap{height:265px}.page-illustration{height:175px}.visual-break{margin-top:16px}}
.event-top{position:relative;overflow:hidden}.event-top:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#08101c30,#08101c9c);pointer-events:none}.event-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.82}.event-top .date,.event-top .tag{position:relative;z-index:1}.workshop-meta{font-size:12px!important;color:#98a9c4!important;line-height:1.55!important;margin:12px 0 0!important}.event-card[href]{color:inherit}.event-card .event-body{min-height:167px}
@media(max-width:1030px){.nav{height:auto;min-height:72px;flex-wrap:wrap;padding-top:10px}.nav .links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;gap:18px;padding:10px 0;white-space:nowrap}.nav>.btn{display:none}}
.school-logo{height:46px;width:46px;object-fit:cover;border-radius:50%;border:1px solid #a8dcff66;background:#061126;box-shadow:0 0 18px #53e2ff25}.brand{gap:10px}.resource-card{display:flex;flex-direction:column;align-items:flex-start;min-height:230px}.resource-card .btn{margin-top:auto;font-size:12px;padding:10px 13px}.resource-card p{margin-bottom:18px}.resource-grid .card{background:radial-gradient(circle at 95% 4%,#53e2ff0b,transparent 30%),linear-gradient(145deg,#131d32,#0d1424)}
html{scroll-behavior:smooth}.btn,.card,.filter,.suggestion{transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background-color .24s ease}.motion-ready .motion-in{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.65,.3,1)}.motion-ready .motion-in.is-visible{opacity:1;transform:translateY(0)}.resource-card:nth-child(3n+2){transition-delay:.05s}.resource-card:nth-child(3n){transition-delay:.1s}
@media(max-width:550px){.school-logo{height:40px;width:40px}.resource-card{min-height:0}.resource-card .btn{margin-top:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.motion-ready .motion-in{opacity:1;transform:none}}
/* Small interactive polish */
.btn:focus-visible,.filter:focus-visible,.suggestion:focus-visible,.links a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.hero-photo{transition:transform .65s cubic-bezier(.2,.7,.2,1),box-shadow .35s ease}.hero-photo-wrap:hover .hero-photo{transform:scale(1.015);box-shadow:0 30px 90px #0009,0 0 70px #53e2ff2a}.event-image{transition:transform .7s cubic-bezier(.2,.7,.2,1),opacity .3s ease}.event-card:hover .event-image{transform:scale(1.055);opacity:1}
.standalone-lesson{max-width:920px}.standalone-lesson .lesson{margin:0}.standalone-lesson .lesson+.lesson{margin-top:18px}.standalone-lesson .lesson h2{font-size:clamp(24px,3vw,32px)}.standalone-lesson .lesson .card{min-height:0}
.codebox{background:#070b15;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:14px 0 20px}.codehead{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line);color:#9befff;font-size:12px}.codebox pre{margin:0;padding:16px;overflow:auto;color:#e0e9fc;font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre}.copy-code{border:1px solid #53e2ff3d;background:#53e2ff0d;color:#a8edff;border-radius:8px;padding:5px 9px;cursor:pointer;font-size:11px}.quiz{margin-top:24px;padding:19px;border:1px solid #53e2ff32;border-radius:15px;background:#53e2ff08}.quiz button{margin:5px 6px 0 0;border:1px solid var(--line);background:#10182b;color:#edf5ff;border-radius:9px;padding:9px 12px;cursor:pointer}.quiz button.correct{border-color:#55ddad;color:#8df3ca}.quiz button.wrong{border-color:#ff8b8b;color:#ffb3b3}.quiz-result{margin-top:12px;color:#aeeaff;font-size:13px}.resource-card .btn+.btn{margin-top:8px}
.api-flow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:20px;margin-top:14px;border:1px dashed #53e2ff35;border-radius:14px;color:#bfeeff}.api-flow span{padding:10px 14px;border-radius:10px;background:#53e2ff10;border:1px solid #53e2ff25}.api-flow small{flex-basis:100%;text-align:center;color:var(--muted)}.api-check .check{display:flex;align-items:flex-start;gap:8px;cursor:pointer}.api-check input{accent-color:#53e2ff}