:root{--midnight:#06111f;--navy:#0a1b31;--deep:#0d3159;--blue:#145da0;--cyan:#2ed4ff;--ice:#cdefff;--white:#f4faff}.topic-main{min-height:100vh;background:#f4faff}.topics-hero,.topic-hero{padding:8rem 0 5rem;color:#fff;background:linear-gradient(135deg,#06111f,#145da0);overflow:hidden}.topics-hero__inner,.topic-hero__inner{display:grid;grid-template-columns:1fr .4fr;gap:4rem;align-items:center}.topics-hero h1,.topic-hero h1{font:900 clamp(3.5rem,7vw,6.5rem)/.95 Rubik;margin:.8rem 0;letter-spacing:-.06em}.topics-hero h1 strong,.topic-hero h1 strong{color:#2ed4ff}.topics-hero p,.topic-hero p{max-width:45rem;color:#d8effa;line-height:1.75;font-size:1.1rem}.topics-hero img,.topic-hero img{width:100%;max-height:22rem;object-fit:contain;filter:drop-shadow(0 2rem 2rem #0005)}.topic-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;padding:3rem 0 7rem}.topic-card{min-height:15rem;display:flex;flex-direction:column;padding:1.4rem;border:1px solid #d0e6f1;border-radius:1.25rem;background:#fff;color:#0a1b31;box-shadow:0 1rem 2.6rem #06111f10;transition:.2s}.topic-card:hover{transform:translateY(-5px);box-shadow:0 1.5rem 3rem #06111f20}.topic-card small{color:#145da0;font-weight:900}.topic-card h2{font:800 1.6rem Rubik;margin:.7rem 0}.topic-card p{color:#587286;line-height:1.6}.topic-card b{margin-top:auto;color:#145da0}.topic-content{padding:3rem 0 7rem}.topic-section{margin-bottom:3rem}.topic-section>header{max-width:44rem}.topic-section>header h2{font:900 clamp(2.3rem,4vw,4rem)/1 Rubik;color:#0a1b31}.topic-section>header p{color:#587286;line-height:1.7}.topic-links{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.topic-link{display:flex;flex-direction:column;min-height:12rem;padding:1.25rem;border:1px solid #d0e6f1;border-radius:1.1rem;background:#fff;color:#0a1b31;box-shadow:0 .8rem 2rem #06111f0d}.topic-link small{color:#145da0;font-weight:900}.topic-link h3{font:800 1.2rem Rubik}.topic-link p{color:#587286;line-height:1.55;font-size:.88rem}.topic-link b{margin-top:auto;color:#145da0}.topic-tools .topic-link{color:#fff;background:linear-gradient(145deg,#0a1b31,#0d3159);border-color:#145da0}.topic-tools .topic-link p{color:#cdefff}.topic-tools .topic-link small,.topic-tools .topic-link b{color:#2ed4ff}.topic-breadcrumbs,.topic-breadcrumbs a{color:#cdefff;font-weight:700}
@media(max-width:900px){.topics-hero__inner,.topic-hero__inner{grid-template-columns:1fr;text-align:center}.topics-hero .kicker,.topic-hero .kicker{justify-content:center}.topics-hero img,.topic-hero img{max-height:13rem}.topic-list,.topic-links{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.topics-hero,.topic-hero{padding:6rem 0 3rem}.topics-hero h1,.topic-hero h1{font-size:3rem}.topic-list,.topic-links{grid-template-columns:1fr}.topic-card{min-height:12rem}}

/* V2 — visual topic and dictionary worlds */
.topic-list{gap:1rem}.topic-card{--topic-accent:var(--cyan);overflow:hidden;min-height:30rem;padding:.65rem;border-radius:1.65rem .65rem 1.65rem 1.65rem;box-shadow:0 .48rem 0 color-mix(in srgb,var(--topic-accent) 25%,transparent),0 1.2rem 2.8rem rgba(6,17,31,.09)}.topic-card--ice{--topic-accent:var(--ice)}.topic-card--blue{--topic-accent:var(--blue)}.topic-card--cobalt{--topic-accent:var(--deep)}.topic-card:hover{border-color:var(--topic-accent);box-shadow:0 .72rem 0 color-mix(in srgb,var(--topic-accent) 33%,transparent),0 1.8rem 3.2rem rgba(6,17,31,.15);transform:translateY(-8px) rotate(-.2deg)}
.topic-card__scene{position:relative;overflow:hidden;height:14rem;display:grid;place-items:center;margin:0;border-radius:1.2rem .4rem 1.2rem 1.2rem;background:radial-gradient(circle at 50% 42%,rgba(46,212,255,.46),transparent 33%),linear-gradient(145deg,var(--navy),var(--blue))}.topic-card__scene::before,.topic-card__scene::after{content:"";position:absolute;border:1px solid rgba(205,239,255,.22);border-radius:50%}.topic-card__scene::before{width:11rem;height:11rem;inset:-4rem auto auto -2rem}.topic-card__scene::after{width:8rem;height:8rem;inset:auto -2rem -3rem auto;border-width:1.2rem;border-color:rgba(46,212,255,.09)}.topic-card__scene>i{position:absolute;width:7rem;height:.45rem;inset:auto 50% 1.55rem auto;border-radius:50%;background:rgba(6,17,31,.44);filter:blur(5px);transform:translateX(50%)}.topic-card__object{position:relative;z-index:2;width:8rem;height:8rem;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:50% 50% 1.8rem 1.8rem;background:linear-gradient(145deg,rgba(244,250,255,.14),rgba(46,212,255,.11));box-shadow:0 .7rem 0 color-mix(in srgb,var(--topic-accent) 48%,var(--midnight)),inset 0 1px rgba(255,255,255,.22);font-size:4.35rem;transform:rotate(2deg);transition:transform .25s ease,box-shadow .25s ease}.topic-card:hover .topic-card__object{box-shadow:0 1rem 0 color-mix(in srgb,var(--topic-accent) 58%,var(--midnight)),inset 0 1px rgba(255,255,255,.22);transform:translateY(-6px) rotate(-3deg) scale(1.04)}
.topic-card__body{flex:1;display:flex;flex-direction:column;padding:.9rem .65rem .65rem}.topic-card__body small{font-size:.63rem}.topic-card__body h2{margin:.32rem 0 .55rem;font-size:1.48rem;line-height:1.05}.topic-card__body p{margin:0;color:#587286;font-size:.75rem;line-height:1.62}.topic-card__body>b{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:1rem;color:var(--deep);font-size:.7rem}.topic-card__body>b span{width:2rem;height:2rem;display:grid;place-items:center;border-radius:.7rem;color:var(--midnight);background:var(--topic-accent);box-shadow:0 3px 0 color-mix(in srgb,var(--topic-accent) 55%,var(--midnight));transition:transform .2s}.topic-card:hover .topic-card__body>b span{transform:translateX(-4px)}
.glossary-main{padding-bottom:7rem}.glossary-hero__play{min-height:3.6rem;display:inline-flex;align-items:center;gap:1rem;margin-top:1.25rem;padding:.8rem 1rem;border:1px solid rgba(255,255,255,.2);border-radius:1rem;color:var(--midnight);background:var(--cyan);box-shadow:0 5px 0 #087ba8;font-weight:900}.glossary-hero__play span{transition:transform .2s}.glossary-hero__play:hover span{transform:translateX(-4px)}
.glossary-worlds{position:relative;padding:5rem 0}.glossary-worlds>header{display:grid;grid-template-columns:1fr .72fr;align-items:end;gap:2rem;margin-bottom:2rem}.glossary-worlds>header .kicker{grid-column:1/-1}.glossary-worlds>header h2{margin:0;font:900 clamp(2.8rem,5vw,4.9rem)/.98 Rubik;letter-spacing:-.05em}.glossary-worlds>header h2 strong{color:var(--blue)}.glossary-worlds>header>p{margin:0;color:#587286;line-height:1.7}.glossary-worlds__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem}.glossary-world{--glossary-accent:var(--blue);min-height:16rem;display:flex;flex-direction:column;align-items:flex-start;padding:1.1rem;border:1px solid #d0e6f1;border-radius:1.35rem .5rem 1.35rem 1.35rem;color:var(--midnight);background:#fff;box-shadow:0 .45rem 0 color-mix(in srgb,var(--glossary-accent) 22%,transparent),0 1rem 2rem rgba(6,17,31,.07);transition:transform .2s,box-shadow .2s}.glossary-world--cyan{--glossary-accent:var(--cyan)}.glossary-world--ice{--glossary-accent:var(--ice)}.glossary-world--cobalt{--glossary-accent:var(--deep)}.glossary-world--coral{--glossary-accent:var(--blue)}.glossary-world:hover{box-shadow:0 .7rem 0 color-mix(in srgb,var(--glossary-accent) 30%,transparent),0 1.5rem 2.8rem rgba(6,17,31,.13);transform:translateY(-7px) rotate(-.25deg)}.glossary-world__icon{width:3.6rem;height:3.6rem;display:grid;place-items:center;margin-bottom:1rem;border-radius:1rem .3rem;color:var(--midnight);background:var(--glossary-accent);box-shadow:0 5px 0 color-mix(in srgb,var(--glossary-accent) 58%,var(--midnight));font:900 1.25rem Rubik}.glossary-world small{color:var(--blue);font-size:.62rem;font-weight:900}.glossary-world h2{margin:.3rem 0 .5rem;font:900 1.25rem/1.05 Rubik}.glossary-world p{margin:0;color:#587286;font-size:.7rem;line-height:1.65}.glossary-world>b{display:flex;gap:.35rem;margin-top:auto;padding-top:1rem;color:var(--deep);font-size:.67rem}.glossary-world>b i{color:var(--glossary-accent);font-size:1rem;font-style:normal}.glossary-guide{max-width:44rem;display:grid;grid-template-columns:6rem 1fr;align-items:center;gap:1rem;margin:2.4rem auto 0;padding:.7rem 1.2rem .2rem;border:1px solid #d0e6f1;border-radius:5rem 1.2rem 1.2rem 5rem;background:#fff;box-shadow:0 .8rem 2rem rgba(6,17,31,.08)}.glossary-guide img{height:6.3rem;align-self:end;object-fit:contain}.glossary-guide p{margin:0}.glossary-guide small{display:block;color:var(--blue);font-weight:900}.glossary-guide b{display:block;font:900 1rem Rubik}.glossary-guide span{color:#587286;font-size:.73rem}.glossary-index{border:1px solid #d0e6f1;border-radius:1.5rem;background:#fff;box-shadow:0 1rem 2.8rem rgba(6,17,31,.08)}.glossary-index>summary{display:grid;grid-template-columns:4rem 1fr auto;align-items:center;gap:1rem;padding:1.1rem;list-style:none;cursor:pointer}.glossary-index>summary::-webkit-details-marker{display:none}.glossary-index>summary>span{width:3.8rem;height:3.8rem;display:grid;place-items:center;border-radius:1rem .3rem;background:var(--cyan);box-shadow:0 4px 0 #087ba8;font:900 1rem Rubik}.glossary-index>summary small{display:block;color:var(--blue);font-weight:900}.glossary-index>summary b{font:900 1.25rem Rubik}.glossary-index>summary>i{width:2.6rem;height:2.6rem;display:grid;place-items:center;border-radius:.8rem;color:#fff;background:var(--deep);font-style:normal}.glossary-index[open]>summary>i{transform:rotate(45deg)}.glossary-static{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;padding:1rem 1rem 2rem}.glossary-static>a{min-height:7.5rem;display:grid;grid-template-columns:2.8rem 1fr;align-items:start;gap:.7rem;padding:.85rem;border:1px solid #d0e6f1;border-radius:1rem;color:var(--midnight);background:#f8fcff;transition:transform .18s,border-color .18s}.glossary-static>a:hover{border-color:var(--cyan);transform:translateY(-3px)}.glossary-static__letter{width:2.7rem;height:2.7rem;display:grid;place-items:center;border-radius:.8rem .25rem;background:var(--ice);font:900 .9rem Rubik}.glossary-static a div>b{display:block}.glossary-static a div>span{display:block;margin-top:.3rem;color:#587286;font-size:.72rem;line-height:1.55}
@media(max-width:1100px){.glossary-worlds__grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.topic-card{min-height:27rem}.topic-card__scene{height:13.5rem}.topic-card__object{width:7.4rem;height:7.4rem;font-size:4rem}.glossary-worlds>header{grid-template-columns:1fr}.glossary-worlds__grid{grid-template-columns:repeat(2,1fr)}.glossary-static{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.topic-card{min-height:24rem}.topic-card__scene{height:12.4rem}.topic-card__object{width:6.8rem;height:6.8rem;font-size:3.65rem}.glossary-worlds{padding:3.5rem .9rem}.glossary-worlds>header{text-align:center}.glossary-worlds>header .kicker{justify-content:center}.glossary-worlds>header h2{font-size:2.75rem}.glossary-worlds__grid,.glossary-static{grid-template-columns:1fr}.glossary-world{min-height:12rem}.glossary-guide{grid-template-columns:4.5rem 1fr;border-radius:1.2rem;padding-inline:.7rem}.glossary-guide img{height:5rem}.glossary-index{margin-inline:.9rem}.glossary-index>summary{grid-template-columns:3.4rem 1fr auto;gap:.7rem}.glossary-index>summary>span{width:3.2rem;height:3.2rem}.glossary-index>summary b{font-size:.95rem}}
@media(prefers-reduced-motion:reduce){.topic-card,.topic-card__object,.topic-card__body>b span,.glossary-world,.glossary-static>a{transition:none!important}.topic-card:hover,.topic-card:hover .topic-card__object,.glossary-world:hover,.glossary-static>a:hover{transform:none}}
.topics-hero__inner>img{padding:.55rem;border:1px solid rgba(205,239,255,.2);border-radius:2.4rem .8rem 2.4rem 2.4rem;background:linear-gradient(145deg,rgba(6,17,31,.62),rgba(20,93,160,.24));box-shadow:0 .7rem 0 rgba(46,212,255,.16),0 2rem 4rem rgba(6,17,31,.24)}
.topics-hero:not(.glossary-hero) .topics-hero__inner>img{height:22rem;object-fit:cover;object-position:center 38%}.glossary-hero .topics-hero__inner>img{height:22rem;object-fit:cover;object-position:center 24%}
@media(max-width:560px){.topics-hero:not(.glossary-hero) .topics-hero__inner>img,.glossary-hero .topics-hero__inner>img{height:14rem}.topics-hero:not(.glossary-hero) .topics-hero__inner>img{object-position:center 10%}.glossary-hero .topics-hero__inner>img{object-position:center 22%}}

/* V3 — a visual atlas with ranked destinations */
.topic-list{grid-template-columns:repeat(12,minmax(0,1fr));align-items:stretch;gap:1.1rem}.topic-card{grid-column:span 4;min-height:26rem}.topic-card:nth-child(1),.topic-card:nth-child(6),.topic-card:nth-child(11){grid-column:span 8;min-height:22rem;display:grid;grid-template-columns:minmax(13rem,.72fr) minmax(0,1fr);grid-template-rows:auto}.topic-card:nth-child(1) .topic-card__scene,.topic-card:nth-child(6) .topic-card__scene,.topic-card:nth-child(11) .topic-card__scene{height:100%;min-height:20rem;margin:0}.topic-card:nth-child(1) .topic-card__body,.topic-card:nth-child(6) .topic-card__body,.topic-card:nth-child(11) .topic-card__body{padding:1.4rem 1rem}.topic-card:nth-child(4n){grid-column:span 5}.topic-card:nth-child(4n + 1):not(:first-child):not(:nth-child(6)):not(:nth-child(11)){grid-column:span 7}.topic-card__scene{height:11.5rem;place-items:end start;padding:1rem;background:radial-gradient(circle at 22% 30%,rgba(46,212,255,.5),transparent 36%),linear-gradient(145deg,var(--navy),var(--blue))}.topic-card__object{width:6.8rem;height:6.8rem;border:0;border-radius:50% 50% 1.45rem 1.45rem;background:rgba(244,250,255,.12);font-size:3.65rem}.topic-card:nth-child(even) .topic-card__scene{background:radial-gradient(circle at 78% 35%,rgba(205,239,255,.35),transparent 34%),linear-gradient(145deg,var(--deep),#1376b8)}.topic-card:nth-child(3n) .topic-card__object{border-radius:1.45rem 1.45rem .4rem 1.45rem;transform:rotate(-3deg)}
.glossary-worlds__grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:1rem}.glossary-world{grid-column:span 3;min-height:15rem}.glossary-world:nth-child(1),.glossary-world:nth-child(6){grid-column:span 6}.glossary-world:nth-child(1){color:#fff;background:linear-gradient(145deg,var(--navy),var(--blue))}.glossary-world:nth-child(1) p,.glossary-world:nth-child(1)>b{color:var(--ice)}.glossary-world__icon{width:4.2rem;height:4.2rem;border-radius:50% 50% 1rem 1rem;font-size:1.4rem}.glossary-world:nth-child(3n){border-inline-start:5px solid var(--glossary-accent)}
@media(max-width:1050px){.topic-card,.topic-card:nth-child(1),.topic-card:nth-child(6),.topic-card:nth-child(11),.topic-card:nth-child(4n),.topic-card:nth-child(4n + 1):not(:first-child):not(:nth-child(6)):not(:nth-child(11)){grid-column:span 6;display:flex}.glossary-world,.glossary-world:nth-child(1),.glossary-world:nth-child(6){grid-column:span 6}}
@media(max-width:560px){.topic-list{grid-template-columns:1fr;padding-inline:.9rem}.topic-card,.topic-card:nth-child(1),.topic-card:nth-child(6),.topic-card:nth-child(11),.topic-card:nth-child(4n),.topic-card:nth-child(4n + 1):not(:first-child):not(:nth-child(6)):not(:nth-child(11){grid-column:auto;min-height:22rem}.topic-card:nth-child(1) .topic-card__scene,.topic-card:nth-child(6) .topic-card__scene,.topic-card:nth-child(11) .topic-card__scene{height:11rem;min-height:11rem}.glossary-worlds__grid{grid-template-columns:1fr}.glossary-world,.glossary-world:nth-child(1),.glossary-world:nth-child(6){grid-column:auto;min-height:12rem}}