:root{
 --ink:#142239;--muted:#66738a;--cream:#fffaf1;--paper:#fff;--line:#e8e1d8;
 --violet:#7452e8;--violet2:#5536c6;--coral:#ff8e72;--mint:#69d1a8;--gold:#ffc95c;
 --navy:#15213a;--shadow:0 20px 60px rgba(37,31,67,.16)
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fffdf9;line-height:1.48}
button,select{font:inherit} button{cursor:pointer}
.wrap{width:min(1200px,calc(100% - 34px));margin:auto}
header{position:sticky;top:0;z-index:100;background:rgba(255,253,249,.92);backdrop-filter:blur(15px);border-bottom:1px solid rgba(229,221,210,.85)}
.nav{min-height:72px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:950;letter-spacing:-.02em}
.logo{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:white;background:linear-gradient(135deg,#855ff2,#5536c6);box-shadow:0 10px 26px rgba(91,54,198,.3)}
nav{margin-left:auto;display:flex;gap:5px}
nav a{text-decoration:none;color:#536077;font-size:13px;font-weight:850;padding:9px 11px;border-radius:10px}
nav a:hover{background:#f2efff;color:var(--violet2)}
.topbtn{border:0;border-radius:999px;padding:10px 14px;background:var(--navy);color:white;font-weight:900;font-size:12px}

.brand-name{display:block;line-height:1;font-size:21px;font-weight:950}.brand-domain{display:block;font-size:10px;color:#7b6e97;margin-top:3px;letter-spacing:.04em}.bee-logo{font-size:25px;background:linear-gradient(135deg,#ffd75e,#ffae35);color:#251d10}.global-controls{margin-left:auto;display:flex;align-items:center;gap:7px;flex-wrap:wrap}.global-controls label{font-size:10px;font-weight:900;color:#6f6484;display:flex;align-items:center;gap:5px}.global-controls select{border:1px solid #ded7e9;background:white;border-radius:9px;padding:7px 8px;font-size:11px;font-weight:800;color:#3d3552}.account-btn{border:1px solid #ded7e9;background:white;color:#3d3552;border-radius:999px;padding:8px 11px;font-weight:900;font-size:11px}.account-btn.join{background:#171a2c;color:#fff;border-color:#171a2c}header nav{margin-left:8px}.bee-guide{position:fixed;right:20px;bottom:22px;z-index:120}.bee-guide-btn{width:58px;height:58px;border:0;border-radius:50%;font-size:30px;background:#ffd455;box-shadow:0 12px 30px rgba(70,49,12,.25);animation:beeFloat 2.4s ease-in-out infinite}.bee-guide-panel{position:absolute;right:0;bottom:68px;width:245px;background:white;border:1px solid #e6deca;border-radius:17px;padding:13px;box-shadow:0 18px 46px rgba(35,28,61,.2);display:none}.bee-guide.open .bee-guide-panel{display:block}.bee-guide-panel b{display:block;margin-bottom:4px}.bee-guide-panel p{margin:0 0 9px;color:#687389;font-size:12px}.bee-guide-panel button{width:100%;border:0;background:#f4efff;color:#5a3ec2;border-radius:9px;padding:8px 9px;font-weight:900;margin-top:5px;text-align:left}@keyframes beeFloat{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-7px) rotate(5deg)}}@media(max-width:1050px){header nav{display:none}.global-controls{margin-left:auto}.nav{gap:10px}}@media(max-width:720px){.global-controls label.interface-control{display:none}.brand-domain{display:none}.account-btn{display:none}.nav{min-height:64px}}

.hero{min-height:710px;position:relative;display:flex;align-items:center;background-image:url("../images/talkabee-image-01.jpg");background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:170px;background:linear-gradient(transparent,#fffdf9)}
.hero-content{position:relative;z-index:2;width:min(620px,90%);color:white;padding:70px 0 110px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 11px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.12);font-size:11px;font-weight:950;letter-spacing:.09em}
h1{font-size:clamp(48px,6vw,82px);line-height:.95;letter-spacing:-.052em;margin:16px 0 17px;text-wrap:balance}
.hero p{font-size:19px;max-width:570px;color:#f0edf8;margin:0}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.primary,.ghost{border-radius:13px;padding:13px 18px;font-weight:950;border:0}
.primary{background:linear-gradient(135deg,#8a64f3,#6948db);color:white;box-shadow:0 12px 28px rgba(73,48,165,.34)}
.ghost{background:rgba(255,255,255,.94);color:#2e2850}
.hero-note{font-size:12px;color:#ddd9e9;margin-top:12px}
.hero-layout{display:grid;grid-template-columns:350px minmax(0,1fr);gap:22px;align-items:stretch;padding:54px 0 72px}
.hero-sidebar-layout{align-items:stretch}
.hero-left{display:flex;flex-direction:column;gap:18px}
.hero-content{width:auto;padding:0;max-width:none}
.landing-directory{position:relative;z-index:2;background:rgba(10,16,34,.10);backdrop-filter:blur(2px);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:20px;box-shadow:0 18px 50px rgba(13,18,35,.22);height:100%}
.landing-dir-kick{font-size:11px;font-weight:950;letter-spacing:.12em;color:#cfc3ff;margin-bottom:5px}
.landing-directory h2{margin:0 0 6px;font-size:28px;line-height:1.02;color:white;letter-spacing:-.03em}
.landing-directory p{margin:0 0 12px;color:#dddaf0;font-size:14px}
.landing-directory button{width:100%;display:block;text-align:left;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:white;border-radius:14px;padding:12px 13px;font-weight:900;margin-top:8px;transition:transform .16s ease,background .16s ease,border-color .16s ease}
.landing-directory button:hover{transform:translateY(-1px);background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.24)}
.hero-right{display:flex;align-items:stretch;min-width:0}
.hero-feature-card{position:relative;min-height:650px;width:100%;border-radius:28px;overflow:hidden;background-size:cover;background-position:center;box-shadow:0 28px 70px rgba(13,16,33,.32);border:1px solid rgba(255,255,255,.28)}
.hero-feature-overlay{position:absolute;left:0;right:0;bottom:0;padding:26px 26px 24px;color:white;background:linear-gradient(180deg,rgba(9,11,20,0) 0%,rgba(9,11,20,.13) 10%,rgba(9,11,20,.84) 100%)}
.hero-copy-overlay{max-width:740px}
.hero-copy-overlay h1{font-size:clamp(48px,5vw,76px);line-height:.95;letter-spacing:-.052em;margin:16px 0 17px;text-wrap:balance}
.hero-copy-overlay p{font-size:19px;max-width:600px;color:#f0edf8;margin:0}
@media(max-width:1100px){.hero-layout{grid-template-columns:1fr}.landing-directory{height:auto}.hero-feature-card{min-height:540px}}
@media(max-width:720px){.hero-layout{padding:44px 0 62px}.landing-directory h2{font-size:24px}.hero-feature-card{min-height:440px}.hero-feature-overlay{padding:20px 18px 18px}.hero-copy-overlay h1{font-size:36px}.hero-copy-overlay p{font-size:17px}.hero-note{font-size:11px}}

.section{padding:64px 0} .section.soft{background:#f7f4ff}
.head{max-width:760px;margin:0 auto 30px;text-align:center}
.head .kick{font-size:11px;color:var(--violet2);font-weight:950;letter-spacing:.1em}
.head h2{font-size:clamp(34px,4vw,50px);line-height:1.03;letter-spacing:-.04em;margin:7px 0 10px}
.head p{color:var(--muted);font-size:16px;margin:0}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.choice{position:relative;background:white;border:1px solid var(--line);border-radius:24px;padding:23px;box-shadow:0 10px 30px rgba(43,38,64,.06);overflow:hidden}
.choice.featured{border-color:#cfc2ff;box-shadow:0 18px 44px rgba(92,66,190,.14)}
.choice .tag{display:inline-block;border-radius:999px;padding:5px 8px;background:#eee9ff;color:#6244cf;font-size:10px;font-weight:950;letter-spacing:.07em}
.choice .icon{font-size:36px;margin-top:11px} .choice h3{font-size:24px;margin:7px 0 4px} .choice p{color:var(--muted);font-size:13px}
.choice ul{padding-left:19px;color:#4f5d73;font-size:13px} .choice li{margin:6px 0}
.choice button,.choice a{display:inline-flex;text-decoration:none;border:0;border-radius:11px;padding:10px 13px;background:#191d32;color:white;font-weight:900;margin-top:7px}
.choice.featured button{background:var(--violet)}

.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.story-img{border-radius:26px;min-height:470px;background-image:url("../images/talkabee-image-02.jpg");background-size:cover;background-position:center;box-shadow:var(--shadow)}
.story-copy h2{font-size:43px;line-height:1.02;letter-spacing:-.04em;margin:0 0 13px}
.story-copy p{color:var(--muted)}
.steps{display:grid;gap:9px;margin-top:18px}
.step{display:grid;grid-template-columns:42px 1fr;gap:11px;padding:12px;border-radius:15px;background:white;border:1px solid var(--line)}
.step b{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eee9ff;color:#6345ce}
.step strong{display:block} .step span{font-size:12px;color:var(--muted)}

.cast-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:11px}
.cast{text-align:center;background:white;border:1px solid var(--line);border-radius:18px;padding:15px 8px}
.face{font-size:48px} .cast b{display:block} .cast small{color:var(--muted);font-size:11px} .portrait-card{width:86px;height:86px;border-radius:16px;object-fit:cover;object-position:center;border:3px solid #fff;box-shadow:0 9px 24px rgba(35,28,61,.18);display:block;margin:0 auto 9px;background:#eee} .mini-face{padding:0;overflow:visible;background:transparent} .mini-face img{width:48px;height:48px;border-radius:11px;object-fit:cover;object-position:center;border:2px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.18);display:block;background:#eee}

.course-shell{background:#171a2c;border-radius:30px;padding:22px;color:white;box-shadow:var(--shadow)}
.course-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:15px}
.course-top h2{margin:2px 0 0;font-size:28px} .course-controls{display:flex;gap:8px;flex-wrap:wrap}
.course-controls select,.course-controls button{background:#282c47;color:white;border:1px solid #464b6c;border-radius:10px;padding:9px 10px;font-weight:850}
.lesson-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:16px}
.scene{min-height:525px;border-radius:21px;overflow:hidden;position:relative;background:#111;background-size:cover;background-position:center}
.scene-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,10,20,.04),rgba(9,10,20,.1) 50%,rgba(9,10,20,.79) 100%)}
.scene-caption{position:absolute;left:17px;right:17px;bottom:16px;z-index:2}
.scene-caption .label{font-size:10px;letter-spacing:.09em;font-weight:950;color:#ddd8ff} .scene-caption h3{font-size:28px;margin:4px 0 4px}
.scene-caption p{font-size:12px;color:#dddfea;margin:0}
.exercise{background:white;border-radius:21px;padding:18px;color:var(--ink);min-height:525px}
.progress{height:8px;background:#eeebf5;border-radius:999px;overflow:hidden;margin-bottom:15px} .progress div{height:100%;background:linear-gradient(90deg,#67d1aa,#7959eb);width:20%}
.ex-type{font-size:10px;color:#6d4ddb;font-weight:950;letter-spacing:.09em} .exercise h3{font-size:25px;margin:5px 0}
.help{color:var(--muted);font-size:13px}
.dialogue{display:grid;gap:9px;margin:13px 0}
.line{display:grid;grid-template-columns:48px 1fr;gap:9px}
.mini-face{width:45px;height:45px;border-radius:50%;background:#f1ecff;display:grid;place-items:center;font-size:29px}
.bubble{background:#f6f7fb;border-radius:13px;padding:10px 12px} .bubble b{display:block} .bubble small{color:#6e7b91}
.btnrow{display:flex;gap:7px;flex-wrap:wrap;margin:11px 0} .smallbtn{border:1px solid #ddd7ee;background:white;border-radius:9px;padding:8px 9px;font-weight:850;color:#413a59}
.builder{border-top:1px solid #ebe7f0;padding-top:12px;margin-top:12px} .builder h4{margin:0 0 7px}
.answer{min-height:47px;border:2px dashed #d9d4e2;border-radius:11px;padding:7px;display:flex;gap:6px;flex-wrap:wrap;background:#fbfbfd}
.words{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px} .word{border:1px solid #d7d0e9;border-radius:8px;background:#fff;padding:7px 9px;font-weight:850}
.feedback{min-height:21px;margin-top:8px;font-weight:900;font-size:13px}
.navrow{display:flex;justify-content:space-between;margin-top:12px} .navrow button{border:0;border-radius:10px;padding:9px 13px;font-weight:900}
.prev{background:#eeecf3} .next{background:var(--violet);color:white}

.book-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}
.book-mock{perspective:1200px;min-height:510px;display:grid;place-items:center}
.book{width:310px;height:440px;border-radius:8px 20px 20px 8px;position:relative;transform:rotateY(-13deg) rotateZ(-2deg);box-shadow:35px 35px 55px rgba(31,24,50,.28);overflow:hidden;background-image:linear-gradient(180deg,rgba(10,14,30,.04),rgba(10,14,30,.72)),url("../images/talkabee-image-01.jpg");background-size:cover;background-position:center}
.book:before{content:"";position:absolute;left:0;top:0;bottom:0;width:18px;background:linear-gradient(90deg,#35275f,#8368e4,#453270)}
.book-cover{position:absolute;inset:0;padding:36px 28px;color:white;display:flex;flex-direction:column;justify-content:flex-end}
.book-cover .tiny{font-size:10px;font-weight:950;letter-spacing:.13em} .book-cover h3{font-size:36px;line-height:.96;margin:7px 0} .book-cover p{font-size:12px;color:#eeeaff}
.book-copy h2{font-size:44px;line-height:1.03;letter-spacing:-.04em;margin:0 0 12px} .book-copy p{color:var(--muted)}
.book-features{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}
.book-feat{border:1px solid var(--line);border-radius:12px;padding:11px;background:white;font-size:12px;font-weight:800}
.download{display:inline-flex;text-decoration:none;border-radius:12px;padding:12px 16px;background:var(--violet);color:white;font-weight:950}

.world{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.world-card{height:300px;border-radius:21px;position:relative;background-size:cover;background-position:center;overflow:hidden}
.world-card:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(13,15,29,.78))}
.world-card h3{position:absolute;z-index:2;bottom:15px;left:15px;color:white;margin:0;font-size:22px}

.final-cta{margin:64px auto;background:linear-gradient(135deg,#5b3fd0,#9166ed);color:white;border-radius:30px;padding:36px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}
.final-cta h2{font-size:38px;margin:0 0 5px;letter-spacing:-.035em} .final-cta p{margin:0;color:#ede8ff}
.final-cta button{border:0;border-radius:12px;padding:13px 17px;background:white;color:#563ec1;font-weight:950}
footer{padding:25px 0 45px;color:#778296;font-size:12px} .foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.modal{position:fixed;inset:0;background:rgba(18,16,31,.7);display:none;align-items:center;justify-content:center;z-index:300;padding:18px}
.modal.open{display:flex} .modal-card{width:min(470px,100%);background:white;border-radius:22px;padding:23px;box-shadow:0 25px 80px rgba(0,0,0,.28)}
.modal-card h3{font-size:26px;margin:0 0 7px} .modal-card p{color:var(--muted)}
.modal-actions{display:flex;gap:8px;justify-content:flex-end} .modal-actions button{border:0;border-radius:10px;padding:10px 13px;font-weight:900}
.close{background:#eeeaf4} .start{background:var(--violet);color:white}

@media(max-width:950px){
 nav a{display:none} .choice-grid,.world{grid-template-columns:1fr} .story-grid,.lesson-grid,.book-section{grid-template-columns:1fr}
 .cast-grid{grid-template-columns:repeat(3,1fr)} .hero{min-height:650px;background-position:57% center}
 .story-img{min-height:420px} .final-cta{grid-template-columns:1fr}
}
@media(max-width:580px){
 .wrap{width:calc(100% - 22px)} .hero{min-height:680px;background-position:62% center}
 .hero-content{padding-top:55px} .hero p{font-size:16px} .cast-grid{grid-template-columns:repeat(2,1fr)}
 .course-shell{padding:11px} .course-top{align-items:flex-start;flex-direction:column} .course-controls{width:100%}
 .course-controls select{flex:1} .scene{min-height:390px} .book{width:270px;height:390px} .book-features{grid-template-columns:1fr}
}

/* --- Talk A Bee guided word-by-word reading --- */
.guided-reading{
  margin:14px 0 8px;
  padding:14px 14px 16px;
  border:1px solid #ded8ef;
  border-radius:15px;
  background:linear-gradient(180deg,#ffffff,#faf8ff);
  box-shadow:0 8px 20px rgba(80,60,130,.05);
}
.guided-reading-label{
  font-size:10px;
  font-weight:950;
  letter-spacing:.08em;
  color:#6d4ddb;
  margin-bottom:9px;
}
.guided-sentence{
  display:flex;
  flex-wrap:wrap;
  gap:7px 8px;
  align-items:flex-end;
  line-height:1.9;
  min-height:48px;
}
.guided-word{
  position:relative;
  display:inline-block;
  padding:2px 4px 3px;
  border-radius:7px;
  transition:background .14s ease,color .14s ease,transform .14s ease,box-shadow .14s ease;
  font-size:20px;
  font-weight:850;
  color:#26334a;
}
.guided-word.active{
  color:#4f32bf;
  background:#eee8ff;
  transform:translateY(-1px);
  box-shadow:0 0 0 2px rgba(117,82,232,.10),0 4px 10px rgba(93,63,211,.12);
}
.guided-word.active::before{
  content:"";
  position:absolute;
  width:9px;height:9px;
  border-radius:50%;
  background:#ff9e55;
  left:50%;
  top:-11px;
  transform:translateX(-50%);
  box-shadow:0 2px 7px rgba(255,133,55,.35);
  animation:lingoBounce .48s ease-in-out infinite alternate;
}
.guided-word.done{
  color:#21835d;
}
@keyframes lingoBounce{
  from{transform:translate(-50%,0)}
  to{transform:translate(-50%,-5px)}
}
.guided-translation{
  margin-top:8px;
  color:#6c7890;
  font-size:13px;
}
.guided-actions{
  display:flex;
  gap:7px;
  flex-wrap:wrap;
  margin-top:10px;
}
.guided-actions button{
  border:1px solid #ddd7ee;
  background:white;
  border-radius:9px;
  padding:7px 9px;
  font-weight:850;
  color:#413a59;
}
.speaker-glow{
  box-shadow:0 0 0 3px rgba(117,82,232,.20),0 0 22px rgba(117,82,232,.22)!important;
}


/* --- visible 9-lesson course path --- */
.course-path{margin:0 0 22px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.course-unit{background:#fff;border:1px solid rgba(35,27,75,.10);border-radius:20px;padding:14px;box-shadow:0 10px 28px rgba(54,45,90,.08)}
.course-unit-kicker{font-size:10px;font-weight:950;letter-spacing:.12em;color:#7a63c8;margin-bottom:3px}
.course-unit h3{margin:0 0 10px;font-size:17px;color:#2c2450}
.course-lesson-btn{width:100%;border:1px solid rgba(69,55,123,.12);background:#f8f6ff;color:#332b55;border-radius:13px;padding:10px 11px;margin:5px 0;text-align:left;font-weight:850;cursor:pointer;display:flex;align-items:center;gap:9px;transition:.18s ease}
.course-lesson-btn:hover{transform:translateY(-1px);background:#f0ebff}
.course-lesson-btn.active{background:#3d3177;color:white;border-color:#3d3177;box-shadow:0 7px 18px rgba(61,49,119,.22)}
.course-lesson-btn.done:not(.active){background:#edf9f1;border-color:#b8dfc5;color:#245b39}
.course-lesson-num{width:25px;height:25px;border-radius:50%;display:inline-grid;place-items:center;background:rgba(61,49,119,.11);font-size:12px;flex:0 0 auto}
.course-lesson-btn.active .course-lesson-num{background:rgba(255,255,255,.18)}
.course-lesson-btn.done:not(.active) .course-lesson-num{background:#ccebd6}
.free-chip{margin-left:auto;font-size:9px;letter-spacing:.07em;background:#fee8a8;color:#705100;padding:3px 6px;border-radius:999px;font-weight:950}
.lesson-meta{font-size:12px;color:#d9d1ff;font-weight:850;margin-top:4px}
.course-hint{margin:0 0 14px;color:#5e5677;font-size:14px}
@media(max-width:850px){.course-path{grid-template-columns:1fr}.course-unit{padding:12px}}


/* Checkpoint 09: Explore directory + immersive topic scene */
.explore-shell{display:grid;grid-template-columns:230px 1fr;gap:18px;align-items:start}
.topic-directory{position:sticky;top:88px;background:#10172a;color:#fff;border-radius:24px;padding:18px;box-shadow:0 18px 50px rgba(20,34,57,.18)}
.topic-directory h3{margin:0 0 12px;font-size:18px}.topic-directory p{margin:0 0 14px;color:#b9c2d6;font-size:12px}
.topic-link{width:100%;border:0;background:#1b2540;color:#fff;text-align:left;padding:12px 13px;margin:6px 0;border-radius:14px;font-weight:850;display:flex;justify-content:space-between;gap:8px}
.topic-link:hover,.topic-link.active{background:linear-gradient(135deg,#7452e8,#5536c6)}
.topic-link small{opacity:.78;font-weight:700}
.topic-stage{min-width:0}
.topic-hero{position:relative;min-height:390px;border-radius:28px;overflow:hidden;background-size:cover;background-position:center;box-shadow:var(--shadow);margin-bottom:18px}
.topic-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,13,29,.74),rgba(8,13,29,.25) 55%,rgba(8,13,29,.08))}
.topic-overlay{position:absolute;z-index:2;left:28px;bottom:26px;max-width:560px;color:#fff}.topic-kicker{font-size:13px;font-weight:950;letter-spacing:.12em;color:#d9cfff}.topic-overlay h2{font-size:42px;line-height:1.02;margin:8px 0}.topic-overlay p{font-size:17px;margin:0 0 14px;color:#f1f4fb}.phrase-card{background:rgba(255,255,255,.92);color:var(--ink);border-radius:20px;padding:16px 18px;backdrop-filter:blur(8px)}.phrase-card strong{display:block;font-size:13px;color:var(--violet2);text-transform:uppercase;letter-spacing:.08em}.phrase-card .target{font-size:26px;font-weight:950;margin-top:6px}.phrase-card .translation{color:#6c7890;font-size:15px;margin-top:3px}
@media(max-width:900px){.explore-shell{grid-template-columns:1fr}.topic-directory{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.topic-directory h3,.topic-directory p{grid-column:1/-1}.topic-hero{min-height:330px}.topic-overlay h2{font-size:34px}}

/* --- Checkpoint 18: expanded Explore + six-part Challenge Trail --- */
.topic-directory .directory-divider{height:1px;background:rgba(255,255,255,.13);margin:13px 0}
.topic-directory .directory-label{font-size:10px;font-weight:950;letter-spacing:.12em;color:#a99be2;margin:3px 3px 8px;text-transform:uppercase}
.challenge-world{display:none;padding-top:18px}
.challenge-world.open{display:block}
.challenge-shell{display:grid;grid-template-columns:230px 1fr;gap:18px;align-items:start}
.challenge-directory{position:sticky;top:88px;background:#10172a;color:white;border-radius:24px;padding:17px;box-shadow:0 18px 50px rgba(20,34,57,.18)}
.challenge-directory h3{margin:0 0 5px;font-size:19px} .challenge-directory p{margin:0 0 12px;color:#b9c2d6;font-size:12px}
.challenge-nav{width:100%;border:0;background:#1b2540;color:#fff;text-align:left;padding:11px 12px;margin:5px 0;border-radius:13px;font-weight:850;display:flex;align-items:center;gap:9px}
.challenge-nav:hover,.challenge-nav.active{background:linear-gradient(135deg,#7452e8,#5536c6)}
.challenge-nav.done{box-shadow:inset 0 0 0 1px rgba(105,209,168,.65)}
.challenge-number{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.13);font-size:12px;flex:0 0 auto}
.challenge-stage{min-width:0}
.challenge-scene{position:relative;min-height:610px;border-radius:28px;overflow:hidden;background-size:cover;background-position:center;box-shadow:var(--shadow);isolation:isolate}
.challenge-scene:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,12,28,.70) 0%,rgba(7,12,28,.30) 54%,rgba(7,12,28,.12));z-index:-1}
.challenge-card{position:absolute;left:24px;bottom:24px;width:min(570px,calc(100% - 48px));background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-radius:22px;padding:19px;box-shadow:0 16px 46px rgba(7,12,28,.22)}
.challenge-kicker{font-size:11px;font-weight:950;letter-spacing:.12em;color:#6448d2}
.challenge-card h2{font-size:32px;line-height:1.04;margin:6px 0 7px} .challenge-card p{margin:0 0 11px;color:#66738a}
.discovery-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px}
.discovery-word{border:1px solid #ded8ef;background:#f8f6ff;color:#332b55;border-radius:999px;padding:8px 10px;font-weight:900}
.discovery-word.found{background:#e7f7ed;border-color:#a8d9b8;color:#24623c}
.challenge-question{border-top:1px solid #e8e1ef;padding-top:12px;margin-top:8px}
.challenge-question strong{display:block;margin-bottom:5px} .challenge-answer-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.challenge-answer-row input{flex:1;min-width:220px;border:1px solid #d9d2e7;border-radius:11px;padding:10px 11px;font:inherit}
.challenge-answer-row button,.challenge-next{border:0;border-radius:11px;padding:10px 13px;font-weight:950;background:#22304b;color:white}
.challenge-feedback{min-height:24px;margin-top:7px;font-weight:900}
.challenge-next{display:none;background:linear-gradient(135deg,#7452e8,#5536c6);margin-top:8px}
.challenge-next.show{display:inline-flex}
.discovery-point{position:absolute;width:42px;height:42px;border:3px solid white;border-radius:50%;background:#ffc95c;color:#17243b;font-weight:950;display:grid;place-items:center;box-shadow:0 8px 20px rgba(0,0,0,.28);z-index:2;animation:pointPulse 1.8s ease-in-out infinite}
.discovery-point.found{background:#69d1a8}
.discovery-pop{position:absolute;z-index:4;min-width:190px;max-width:245px;background:#fff;color:#17243b;border-radius:15px;padding:11px 13px;box-shadow:0 14px 36px rgba(0,0,0,.24);display:none}
.discovery-pop.show{display:block} .discovery-pop b{display:block;color:#5a3ec2;font-size:18px} .discovery-pop small{color:#687389}
@keyframes pointPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@media(max-width:900px){.challenge-shell{grid-template-columns:1fr}.challenge-directory{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.challenge-directory h3,.challenge-directory p{grid-column:1/-1}.challenge-scene{min-height:650px}}

/* --- Checkpoint 10: Animal World --- */
.topic-action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.topic-action{border:0;border-radius:999px;padding:11px 15px;font-weight:950;background:#5c3fd6;color:#fff;box-shadow:0 8px 20px rgba(82,55,190,.22)}
.topic-action[hidden]{display:none!important}
.animal-world{display:none;padding-top:18px}
.animal-world.open{display:block}
.animal-shell{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:start}
.animal-directory{background:#142239;color:#fff;border-radius:24px;padding:16px;position:sticky;top:88px;box-shadow:0 16px 42px rgba(20,34,57,.17)}
.animal-directory h3{margin:0 0 6px;font-size:18px}
.animal-directory p{margin:0 0 12px;color:#bdc8db;font-size:12px}
.animal-nav{width:100%;border:0;text-align:left;border-radius:13px;background:transparent;color:#eef2fb;padding:11px 10px;margin:3px 0;font-weight:850}
.animal-nav:hover,.animal-nav.active{background:#7660e8;color:#fff}
.animal-stage{min-width:0}
.animal-scene{position:relative;min-height:720px;border-radius:28px;overflow:hidden;background:url("../images/talkabee-image-03.png") center/cover no-repeat;box-shadow:var(--shadow)}
.animal-scene:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,13,25,.03),rgba(6,13,25,.12))}
.animal-lesson-card{position:absolute;z-index:2;left:24px;bottom:24px;width:min(620px,calc(100% - 48px));background:rgba(17,28,48,.19);backdrop-filter:blur(2px);border:1px solid rgba(255,255,255,.22);border-radius:24px;padding:16px 18px;box-shadow:0 14px 34px rgba(9,14,31,.22);color:#fff}
.animal-kicker{font-size:11px;font-weight:950;letter-spacing:.11em;color:#ffe7a4}
.animal-lesson-card h2{margin:5px 0 4px;font-size:27px;line-height:1.08}
.animal-lesson-card p{margin:0 0 12px;color:rgba(255,255,255,.88)}
.animal-sentence{display:flex;flex-wrap:wrap;gap:7px;min-height:54px;align-items:center;padding:10px;border:1px solid rgba(255,255,255,.22);border-radius:16px;background:rgba(255,255,255,.10)}
.animal-word{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.86);color:#202d46;border-radius:10px;padding:7px 9px;font-size:20px;font-weight:900;transition:.16s ease}
.animal-word:hover{background:#e9e3fb}
.animal-word.speaking{background:#ffd98b;color:#422c00;transform:translateY(-3px);box-shadow:0 7px 15px rgba(173,117,0,.20)}
.animal-word.done{background:#dff4e8;color:#1d704c}
.animal-translation{margin:9px 2px;color:#fff;font-weight:800;text-shadow:0 1px 2px rgba(0,0,0,.28)}
.animal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.animal-actions button{border:1px solid rgba(255,255,255,.26);border-radius:11px;padding:9px 12px;background:rgba(255,255,255,.88);color:#40365f;font-weight:900}
.animal-actions button.primary{background:#5d42d5;color:#fff;border-color:#5d42d5}
.animal-sentence-list{display:none}
.animal-pick{border:1px solid #e3dff0;background:#fff;border-radius:14px;padding:10px 12px;text-align:left;color:#29364d;font-weight:850}
.animal-pick.active{border-color:#7258df;background:#f0ecff;color:#4b35b4}
.animal-tip{display:none}
.animal-challenge{display:none;margin-top:12px;padding:13px;border-radius:15px;background:rgba(255,248,223,.90);border:1px solid rgba(240,213,139,.88);color:#22304b;box-shadow:0 8px 18px rgba(19,31,52,.12)}
.animal-challenge.show{display:block}
.animal-challenge button{margin-top:8px;border:0;border-radius:10px;background:#22304b;color:#fff;padding:8px 11px;font-weight:900}
@media(max-width:900px){
 .animal-shell{grid-template-columns:1fr}
 .animal-directory{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
 .animal-directory h3,.animal-directory p{grid-column:1/-1}
 .animal-scene{min-height:700px}
 .animal-sentence-list{grid-template-columns:1fr}
}
@media(max-width:560px){
 .animal-directory{grid-template-columns:1fr}
 .animal-directory h3,.animal-directory p{grid-column:auto}
 .animal-scene{min-height:700px}
 .animal-lesson-card{left:12px;bottom:12px;width:calc(100% - 24px);padding:14px}
 .animal-word{font-size:17px}
}


.animal-challenge strong{color:#17243b}
#animalChallengeText{color:#33415d;font-weight:800;margin-top:4px}
#animalChallengeResult{color:#19744f!important;font-weight:950!important}


.animal-challenge-inputrow{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}
#animalChallengeInput{
 flex:1 1 300px;min-width:0;border:2px solid #d8cfab;border-radius:12px;
 padding:11px 13px;font:inherit;font-size:17px;font-weight:800;color:#1e2b43;background:rgba(255,255,255,.94)
}
#animalChallengeInput:focus{outline:3px solid rgba(116,82,232,.22);border-color:#7452e8}
#animalChallengeCheck{
 border:0;border-radius:11px;background:#5d42d5;color:#fff;padding:10px 15px;font-weight:950
}
#animalChallengeFeedback{margin-top:9px;font-weight:900;min-height:24px}
#animalChallengeAnswer{background:#22304b!important}


/* --- Checkpoint 15: Grandma & Grandpa's Place --- */
.home-world{display:none;padding-top:18px}
.home-world.open{display:block}
.home-shell{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:start}
.home-directory{background:#142239;color:#fff;border-radius:24px;padding:16px;position:sticky;top:88px;box-shadow:0 16px 42px rgba(20,34,57,.17)}
.home-directory h3{margin:0 0 6px;font-size:18px}
.home-directory p{margin:0 0 12px;color:#bdc8db;font-size:12px}
.home-main-directory{width:100%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.09);color:#fff;border-radius:12px;padding:9px 10px;margin:0 0 13px;text-align:left;font-weight:900}
.home-main-directory:hover{background:rgba(255,255,255,.17)}
.home-challenge-divider{height:1px;background:rgba(255,255,255,.18);margin:13px 2px 10px}
.home-challenge-label{font-size:10px;letter-spacing:.09em;font-weight:950;color:#ffd98b;margin:0 5px 7px}
.home-challenge-nav span{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.15);margin-right:7px;font-size:12px}
.home-challenge-nav.done{box-shadow:inset 0 0 0 1px rgba(105,209,168,.7)}
.home-nav{width:100%;border:0;text-align:left;border-radius:13px;background:transparent;color:#eef2fb;padding:11px 10px;margin:3px 0;font-weight:850}
.home-nav:hover,.home-nav.active{background:#7660e8;color:#fff}
.home-stage{min-width:0}
.home-scene{position:relative;min-height:720px;border-radius:28px;overflow:hidden;background:none;background-color:#182238;box-shadow:var(--shadow)}
.home-scene:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,28,.02),rgba(8,14,28,.12));pointer-events:none}
.home-panel{position:absolute;z-index:3;left:20px;bottom:18px;width:min(520px,calc(100% - 40px));background:rgba(17,28,48,.19);backdrop-filter:blur(2px);border:1px solid rgba(255,255,255,.24);border-radius:24px;padding:16px 18px;color:#fff;box-shadow:0 14px 34px rgba(9,14,31,.22)}
.home-kicker{font-size:11px;font-weight:950;letter-spacing:.11em;color:#ffe7a4}
.home-panel h2{margin:5px 0 4px;font-size:29px;line-height:1.08}
.home-panel p{margin:0 0 12px;color:rgba(255,255,255,.9)}
.home-wordline{display:flex;flex-wrap:wrap;gap:7px;padding:10px;border:1px solid rgba(255,255,255,.22);border-radius:16px;background:rgba(255,255,255,.10)}
.home-word{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.88);color:#202d46;border-radius:10px;padding:7px 9px;font-size:19px;font-weight:900;transition:.16s ease}
.home-word.speaking{background:#ffd98b;color:#422c00;transform:translateY(-3px)}
.home-translation{margin:9px 2px;color:#fff;font-weight:800;text-shadow:0 1px 2px rgba(0,0,0,.28)}
.home-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.home-actions button{border:1px solid rgba(255,255,255,.28);border-radius:11px;padding:9px 12px;background:rgba(255,255,255,.9);color:#40365f;font-weight:900}
.home-actions .primary{background:#5d42d5;color:#fff;border-color:#5d42d5}
.home-hotspot{position:absolute;z-index:4;width:48px;height:48px;border-radius:50%;border:3px solid rgba(255,255,255,.95);background:rgba(116,82,232,.76);color:#fff;font-weight:950;box-shadow:0 0 0 6px rgba(116,82,232,.18),0 8px 18px rgba(0,0,0,.24);display:none;align-items:center;justify-content:center}
.home-hotspot.show{display:flex}
.home-hotspot:hover,.home-hotspot:focus{transform:scale(1.08);outline:none}
.home-pop{position:absolute;z-index:5;display:none;width:min(290px,calc(100% - 28px));background:rgba(255,255,255,.96);color:#1d2940;border-radius:18px;padding:14px;box-shadow:0 16px 35px rgba(0,0,0,.24)}
.home-pop.show{display:block}
.home-pop strong{display:block;font-size:23px;color:#4f38be}
.home-pop small{display:block;color:#66738a;margin:3px 0 10px;font-weight:800}
.home-pop button{border:0;border-radius:10px;padding:8px 10px;margin-right:6px;background:#22304b;color:#fff;font-weight:900}
.home-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}
.home-pick{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.88);border-radius:14px;padding:10px 12px;text-align:left;color:#29364d;font-weight:850}
.home-pick.active{border-color:#7452e8;background:#f1edff;color:#4c36b8}
.home-find{display:none;margin-top:10px;background:rgba(255,248,223,.92);color:#22304b;border-radius:14px;padding:12px;font-weight:850}
.home-find.show{display:block}
.home-find-status{margin-top:6px;font-weight:950}
.home-challenge-count{font-size:10px;letter-spacing:.1em;color:#7257d8;font-weight:950;margin-bottom:5px}
.home-challenge-next{display:none;margin-top:10px;border:0;border-radius:11px;background:#5d42d5;color:#fff;padding:10px 14px;font-weight:950}
.home-challenge-next.show{display:inline-block}
@media(max-width:900px){
 .home-shell{grid-template-columns:1fr}
 .home-directory{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
 .home-directory h3,.home-directory p{grid-column:1/-1}
}
@media(max-width:560px){
 .home-directory{grid-template-columns:1fr}
 .home-scene{min-height:760px}
 .home-panel{left:12px;bottom:12px;width:calc(100% - 24px)}
 .home-list{grid-template-columns:1fr}
}


.home-panel:before{
 content:"";position:absolute;inset:0;border-radius:24px;pointer-events:none;
 background:linear-gradient(90deg,rgba(9,16,29,.34) 0%,rgba(9,16,29,.16) 58%,rgba(9,16,29,.05) 100%);
 z-index:-1
}
.home-panel h2,.home-panel p,.home-kicker,.home-translation{position:relative}
.home-panel h2{font-size:26px;text-shadow:0 2px 4px rgba(0,0,0,.32)}
.home-panel p{font-size:14px}
.home-list{display:none!important}
.home-actions{margin-top:8px}
.home-nextrow{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:10px}
.home-nextphrase{
 border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:9px 13px;
 background:rgba(255,255,255,.90);color:#3b3157;font-weight:950
}
.home-progress{margin-right:auto;color:rgba(255,255,255,.9);font-size:12px;font-weight:850}
@media(max-width:560px){
 .home-panel{left:10px;bottom:10px;width:calc(100% - 20px);padding:13px 14px}
 .home-panel h2{font-size:22px}
}