:root{--ink:#193d3a;--teal:#267969;--teal-deep:#1c6658;--paper:#faf9f5;--mint:#e0f2df;--mint-deep:#a4d7aa;--lavender:#eee9ff;--gold:#f8cf65;--coral:#ffded2;--cream:#fff5d8;--muted:#667972;--line:#dce6de;--white:#fff;--radius:22px;--shadow:0 12px 36px rgba(25,61,58,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 "Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(2.3rem,6vw,4rem)}h2{font-size:clamp(1.8rem,4vw,2.7rem)}h3{font-size:1.25rem}
h1 em,h2 em{font-style:normal;color:var(--teal)}p{margin:0 0 1em}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}.skip:focus{left:8px;z-index:9}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;flex-wrap:wrap}
.wordmark{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.25rem;letter-spacing:.02em}
.wordmark img{width:48px;height:48px;border-radius:14px}.wordmark small{display:block;font-size:.62rem;letter-spacing:.2em;color:var(--teal);font-weight:700}
nav{display:flex;gap:6px 20px;flex-wrap:wrap;align-items:center}nav a{text-decoration:none;color:var(--ink);font-weight:600;padding:6px 0}nav a:hover{color:var(--teal)}
.button{display:inline-flex;align-items:center;gap:8px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:999px;border:0;cursor:pointer;min-height:48px;box-shadow:0 8px 20px rgba(38,121,105,.28);transition:transform .15s,background .15s}
.button:hover{background:var(--teal-deep);transform:translateY(-1px)}.button.small{padding:10px 18px;min-height:44px}.button.ghost{background:var(--mint);color:var(--ink);box-shadow:none}.button.ghost:hover{background:var(--mint-deep)}
.text-link{font-weight:700;text-decoration:none;color:var(--teal);padding:12px 4px;display:inline-flex;align-items:center;gap:6px}
.eyebrow{font-size:.78rem;letter-spacing:.18em;font-weight:800;color:var(--teal);text-transform:uppercase;margin-bottom:12px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;padding:48px 0 32px}
.hero .intro{font-size:1.15rem;color:#2f4a46;max-width:52ch}.actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin:20px 0 10px}
.release{font-size:.92rem;color:var(--muted)}.hero-notes{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.hero-notes span{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:600}
.hero-art{position:relative;display:grid;place-items:center;min-height:380px}
.orbit{position:absolute;border-radius:50%;background:var(--mint);width:min(420px,88%);aspect-ratio:1}.orbit-two{width:min(520px,100%);background:transparent;border:2px dashed var(--mint-deep);opacity:.7}
.pip-stage{position:relative;display:grid;place-items:center}.pip-button{background:none;border:0;padding:0;cursor:pointer;border-radius:50%;width:min(360px,78vw)}
.pip-button:focus-visible{outline:3px solid var(--gold);outline-offset:8px}
.pip-button.hop{animation:hop .5s ease-out}@keyframes hop{0%{transform:translateY(0)}35%{transform:translateY(-26px) rotate(-3deg)}70%{transform:translateY(0)}85%{transform:translateY(-6px)}100%{transform:translateY(0)}}
.hello{position:absolute;top:-6px;left:50%;transform:translateX(-50%);background:var(--white);border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-weight:700;font-size:.95rem;white-space:nowrap;box-shadow:var(--shadow)}
.spark{position:absolute;color:var(--gold);font-size:2rem}.spark-one{top:8%;left:8%}.spark-two{bottom:12%;right:6%;font-size:1.4rem}
.floating-label{position:absolute;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:8px 14px;font-size:.9rem;font-weight:600;box-shadow:var(--shadow)}.label-one{left:0;bottom:22%}.label-two{right:0;top:18%}
.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:16px 0 40px}.numbers div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.numbers strong{display:block;font-size:2rem;color:var(--teal);line-height:1.1}.numbers span{color:var(--muted);font-size:.95rem}
.section{padding:56px 0}.section-heading{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:end;margin-bottom:32px}.section-heading>p{color:#2f4a46;font-size:1.08rem;margin:0}
.groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.groups article{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.groups .tag{display:inline-block;font-size:.72rem;letter-spacing:.14em;font-weight:800;background:var(--mint);color:var(--teal);border-radius:999px;padding:4px 10px;margin-bottom:10px}.groups article.alt .tag{background:var(--lavender);color:#4b3f8f}.groups article.warm .tag{background:var(--coral);color:#8a4420}
.groups h3{font-size:1.15rem;margin-bottom:4px}.groups p{color:var(--muted);font-size:.95rem;margin:0}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}.features article{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.symbol{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--mint);font-size:1.5rem;margin-bottom:14px}.features article:nth-child(3n+2) .symbol{background:var(--lavender)}.features article:nth-child(3n) .symbol{background:var(--cream)}
.features p{color:#2f4a46;font-size:.98rem;margin:0}
.shots-band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.shots figure{margin:0}.shots img{border-radius:26px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--paper)}
.shots figcaption{margin-top:10px;font-size:.92rem;color:#2f4a46}.shots figcaption strong{display:block;color:var(--ink)}
.puzzle{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.puzzle-card{background:var(--ink);color:#e7f1ee;border-radius:var(--radius);padding:28px}.puzzle-card h3{color:#fff}.puzzle-card ul{margin:0;padding-left:20px}.puzzle-card li{margin-bottom:8px}
.play-band{background:var(--mint);padding:56px 0}.play-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.mini{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.mini-top{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;letter-spacing:.16em;font-weight:800;color:var(--teal)}
.reset{background:none;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font:inherit;font-size:.85rem;cursor:pointer;color:var(--ink)}
.question{font-size:1.3rem;font-weight:700;margin:18px 0}.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.choice{background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:14px;font:inherit;font-weight:700;font-size:1.05rem;cursor:pointer;min-height:52px;color:var(--ink)}.choice:hover{border-color:var(--teal)}
.choice.right{background:var(--mint);border-color:var(--teal)}.choice.wrong{background:var(--coral);border-color:#e0a08a;animation:shake .3s}@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
#mini-message{min-height:3em;margin:14px 0 0;color:#2f4a46}.stars{color:var(--gold);letter-spacing:.1em;font-size:1.3rem;height:1.6em}
.demo-note{font-size:.9rem;color:var(--muted)}
.parent-note{display:flex;gap:16px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-top:24px;flex-wrap:wrap}.parent-note p{margin:0;flex:1 1 320px}.note-star{color:var(--gold);font-size:1.8rem}
.closing{text-align:center;padding:64px 0 48px}.closing img{margin:0 auto 16px;border-radius:30px}.closing .actions{justify-content:center}
footer{border-top:1px solid var(--line);padding:28px 0 40px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;color:var(--muted);font-size:.95rem}footer div{display:flex;gap:18px}footer a{color:var(--ink);text-decoration:none;font-weight:600}footer p{margin:0}
.legal{max-width:760px;padding:24px 0 64px}.legal h1{font-size:2.2rem}.legal h2{font-size:1.4rem;margin-top:2em}.legal ul{padding-left:22px}.legal table{border-collapse:collapse;width:100%;font-size:.95rem}.legal td,.legal th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer}.faq details p{margin:10px 0 0;color:#2f4a46}
@media (max-width:900px){.hero,.section-heading,.puzzle,.play-layout{grid-template-columns:1fr}.hero-art{min-height:320px;order:-1}.numbers{grid-template-columns:repeat(2,1fr)}.shots{grid-template-columns:repeat(2,1fr)}.floating-label{display:none}}
@media (max-width:520px){.shots{grid-template-columns:1fr 1fr;gap:12px}.shots img{border-radius:16px}.numbers strong{font-size:1.6rem}nav{gap:4px 14px;font-size:.95rem}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}