/* ==========================================================================
   Vidaara Play — Grade 1 EnglishVerse. Mobile-first, accessible, playful.
   ========================================================================== */
:root{
  --ink:#241c4a; --ink-soft:#5a5478; --muted:#7b7597;
  --bg:#f6f4ff; --card:#ffffff; --line:#e7e3fb;
  --brand:#5b4bd6; --brand-d:#4536b8; --brand-l:#efeaff;
  --accent:#ff7a59; --accent-d:#ef5f3c;
  --good:#2fb672; --warn:#f4b400; --warn2:#ff9838; --bad:#f0554e;
  --star:#ffce3d;
  --radius:20px; --radius-sm:12px;
  --shadow:0 10px 30px rgba(60,40,130,.10); --shadow-sm:0 4px 14px rgba(60,40,130,.10);
  --tap:48px;
  --skin:#5b4bd6; --skin-l:#efeaff; --skin-d:#4536b8;
  --maxw:1120px;
  --fdisplay:"Baloo 2",system-ui,"Segoe UI",sans-serif;
  --fbody:"Nunito",system-ui,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; font-family:var(--fbody); color:var(--ink);
  background:var(--bg); font-size:17px; line-height:1.6;
  background-image:radial-gradient(circle at 12% 8%,#efeaff 0,transparent 42%),radial-gradient(circle at 92% 4%,#ffeede 0,transparent 40%);
  background-attachment:fixed;
}
h1,h2,h3,.brand-text{font-family:var(--fdisplay);line-height:1.15;color:var(--ink)}
img{max-width:100%;height:auto}
a{color:var(--brand-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.eyebrow{font-weight:800;color:var(--brand);letter-spacing:.02em;margin:0 0 6px;text-transform:uppercase;font-size:.82rem}
.lead{font-size:1.18rem;color:var(--ink-soft)}
.hl{color:var(--accent)}

.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:100}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  min-height:var(--tap);padding:12px 22px;border-radius:999px;border:0;cursor:pointer;
  font-family:var(--fdisplay);font-weight:700;font-size:1rem;line-height:1;
  transition:transform .08s ease,box-shadow .15s ease,background .15s ease;text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(2px)}
.btn-lg{font-size:1.12rem;padding:15px 30px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 0 var(--brand-d)}
.btn-primary:hover{background:var(--brand-d)}
.btn-primary:active{box-shadow:0 2px 0 var(--brand-d)}
.btn-ghost{background:#fff;color:var(--brand-d);border:2px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand)}

/* ---- Header / nav ---- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1.25rem}
.brand:hover{text-decoration:none}
.brand-mark{font-size:1.5rem}
.brand-text{color:var(--ink)}.brand-text b{color:var(--brand);font-weight:800}
.site-nav{display:flex;gap:6px}
.site-nav a{padding:10px 14px;border-radius:12px;color:var(--ink-soft);font-weight:700;font-family:var(--fdisplay)}
.site-nav a:hover{background:var(--brand-l);color:var(--brand-d);text-decoration:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:12px;cursor:pointer;min-height:var(--tap)}
.nav-toggle span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.2s}

/* ---- Hero ---- */
.hero{padding:34px 0 12px}
.hero-wrap{display:grid;gap:20px;align-items:center}
.hero-copy h1{font-size:2.5rem;margin:.1em 0 .25em;font-weight:800}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 14px}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:8px 0 0;font-weight:700;color:var(--ink-soft);font-size:.95rem}
.hero-art{display:none}
.orbit{position:relative;width:300px;height:300px;margin:0 auto}
.orbit .sun{position:absolute;inset:0;margin:auto;width:110px;height:110px;display:grid;place-items:center;font-size:4rem;background:#fff;border-radius:50%;box-shadow:var(--shadow)}
.orbit .planet{position:absolute;width:64px;height:64px;display:grid;place-items:center;font-size:2rem;background:#fff;border-radius:50%;box-shadow:var(--shadow-sm);animation:float 4s ease-in-out infinite}
.orbit .p1{top:0;left:50%;transform:translateX(-50%)}
.orbit .p2{top:30%;right:0;animation-delay:.4s}
.orbit .p3{bottom:6%;right:16%;animation-delay:.8s}
.orbit .p4{bottom:6%;left:16%;animation-delay:1.2s}
.orbit .p5{top:30%;left:0;animation-delay:1.6s}
@keyframes float{0%,100%{transform:translateY(0) translateX(-50%)}50%{transform:translateY(-10px) translateX(-50%)}}

/* ---- Sections ---- */
.section{padding:40px 0}
.section-tint{background:linear-gradient(180deg,#fff,#faf8ff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-h{font-size:1.8rem;margin:0 0 6px}
.section-sub{color:var(--ink-soft);margin:0 0 22px;font-size:1.05rem}

/* ---- Game grid ---- */
.game-grid{display:grid;gap:16px;grid-template-columns:1fr}
.game-card{
  position:relative;display:flex;flex-direction:column;gap:6px;padding:22px 20px 20px;
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:2px solid var(--line);overflow:hidden;color:var(--ink);min-height:150px;
  transition:transform .12s ease,box-shadow .15s ease,border-color .15s ease;
}
.game-card::before{content:"";position:absolute;inset:0 0 auto 0;height:8px;background:var(--skin)}
.game-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(60,40,130,.18);border-color:var(--skin);text-decoration:none}
.game-emoji{font-size:2.6rem;line-height:1}
.game-title{font-family:var(--fdisplay);font-weight:800;font-size:1.3rem}
.game-tag{color:var(--ink-soft);font-weight:600}
.game-meta{margin-top:auto;font-size:.85rem;color:var(--muted);font-weight:700}
.game-go{position:absolute;right:18px;bottom:16px;font-family:var(--fdisplay);font-weight:800;color:var(--skin-d)}
.skin-lab{--skin:#1eb8a8;--skin-l:#dcf7f3;--skin-d:#0f8377}
.skin-storm{--skin:#6366f1;--skin-l:#e6e7ff;--skin-d:#4338ca}
.skin-story{--skin:#f0902b;--skin-l:#ffeed9;--skin-d:#c86a10}
.skin-arcade{--skin:#ec4899;--skin-l:#ffe3f1;--skin-d:#be2767}
.skin-jungle{--skin:#3aa655;--skin-l:#ddf6e2;--skin-d:#22803a}
.skin-space{--skin:#7c5cff;--skin-l:#ece6ff;--skin-d:#5a37e0}

/* ---- Grammar Intelligence demo ---- */
.two-col{display:grid;gap:26px;align-items:center}
.score-demo{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1px solid var(--line)}
.score-row{display:grid;grid-template-columns:110px 1fr 44px;align-items:center;gap:10px;margin:10px 0;font-weight:700}
.score-row .bar{height:14px;background:var(--brand-l);border-radius:999px;overflow:hidden}
.score-row .bar b{display:block;height:100%;border-radius:999px}
.score-row em{font-style:normal;text-align:right;color:var(--ink-soft)}
.score-next{margin:14px 0 0;font-weight:700}

/* ---- Units ---- */
.unit-strip{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory}
.unit-chip{flex:0 0 auto;scroll-snap-align:start;background:#fff;border:2px solid var(--line);border-radius:16px;padding:14px 16px;min-width:170px;box-shadow:var(--shadow-sm);color:var(--ink)}
.unit-chip:hover{border-color:var(--brand);text-decoration:none}
.unit-chip b{display:block;color:var(--brand);font-family:var(--fdisplay);font-size:.9rem}
.unit-chip span{font-weight:700}
.unit-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.unit-row a{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;background:#fff;border:2px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-sm);color:var(--ink)}
.unit-row a:hover{border-color:var(--brand);text-decoration:none;transform:translateX(3px);transition:.12s}
.unit-num{font-family:var(--fdisplay);font-weight:800;color:var(--brand);min-width:64px}
.unit-name{font-family:var(--fdisplay);font-weight:700;font-size:1.15rem;flex:1}
.unit-facts{color:var(--muted);font-size:.9rem;font-weight:700;width:100%}
.learn-cta{margin-top:26px;text-align:center}

/* ---- Coming soon ---- */
.soon-grid{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
.soon-card{position:relative;background:#fff;border:2px dashed var(--line);border-radius:16px;padding:16px 14px;opacity:.92}
.soon-card span[aria-hidden]{font-size:1.8rem}
.soon-card b{display:block;font-family:var(--fdisplay);margin:4px 0 2px}
.soon-card small{color:var(--muted)}
.soon-badge{position:absolute;top:10px;right:10px;background:var(--brand-l);color:var(--brand-d);font-weight:800;font-size:.7rem;padding:3px 9px;border-radius:999px}

/* ---- SEO copy ---- */
.seo-copy p{color:var(--ink-soft)}
.seo-copy h2{font-size:1.4rem}

/* ---- Footer ---- */
.site-foot{background:#1c1640;color:#cfc9ea;margin-top:40px;padding:34px 0 20px}
.site-foot a{color:#fff}
.foot-grid{display:grid;gap:22px;grid-template-columns:1fr}
.foot-brand{color:#fff}.foot-brand b{color:#b3a7ff}
.site-foot h2{color:#fff;font-size:1rem;margin:0 0 8px;text-transform:uppercase;letter-spacing:.04em}
.site-foot nav a{display:block;padding:5px 0;color:#cfc9ea}
.site-foot nav a:hover{color:#fff}
.foot-legal{margin-top:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:14px}
.foot-legal .muted{color:#9a93c4}

/* ---- Crumbs / misc ---- */
.crumbs{font-weight:700;color:var(--muted);padding:16px 0 4px;font-size:.92rem}
.crumbs a{color:var(--brand-d)}
.center-block{text-align:center;padding:40px 0}
.big-emoji{font-size:5rem;margin:0}
.tick-list{list-style:none;padding:0}
.tick-list li{padding:6px 0 6px 30px;position:relative}
.tick-list li::before{content:"✅";position:absolute;left:0}
.byline{color:var(--muted);font-style:italic;margin-top:30px}

/* ---- Learn topic + FAQ ---- */
.topic-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:16px 0;box-shadow:var(--shadow-sm)}
.topic-block h2{font-size:1.3rem;margin:0 0 8px;color:var(--brand-d)}
.topic-def{background:var(--brand-l);border-radius:12px;padding:10px 14px;font-weight:600}
.unit-play-cta{margin:26px 0;background:#fff;border:2px solid var(--line);border-radius:16px;padding:20px;text-align:center}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:10px}
.faq details,.progress-reset{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 16px;margin:10px 0}
.faq summary,.progress-reset summary{cursor:pointer;font-weight:700;font-family:var(--fdisplay);padding:8px 0}

/* ==========================================================================
   GAME ENGINE UI
   ========================================================================== */
.play-wrap{padding-bottom:24px}
.game-stage{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;margin:6px 0 24px;min-height:440px}
.page-play .game-stage,.game-stage{--skin:var(--brand)}
body.skin-lab .game-stage{--skin:#1eb8a8;--skin-d:#0f8377;--skin-l:#dcf7f3}
body.skin-storm .game-stage{--skin:#6366f1;--skin-d:#4338ca;--skin-l:#e6e7ff}
body.skin-story .game-stage{--skin:#f0902b;--skin-d:#c86a10;--skin-l:#ffeed9}
body.skin-arcade .game-stage{--skin:#ec4899;--skin-d:#be2767;--skin-l:#ffe3f1}
body.skin-jungle .game-stage{--skin:#3aa655;--skin-d:#22803a;--skin-l:#ddf6e2}

/* intro */
.game-intro{padding:40px 24px;text-align:center;background:linear-gradient(180deg,var(--skin-l),#fff)}
.intro-emoji{font-size:4rem;display:block}
.game-intro h1{font-size:2rem;margin:.2em 0 .1em}
.intro-tag{font-size:1.2rem;color:var(--skin-d);font-weight:700;margin:.2em 0}
.intro-blurb{max-width:520px;margin:0 auto 20px;color:var(--ink-soft)}
.intro-note{margin-top:14px;color:var(--muted)}

/* HUD */
.hud{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 18px;background:var(--skin);color:#fff}
.hud .hud-title{font-family:var(--fdisplay);font-weight:800;font-size:1.1rem;display:flex;align-items:center;gap:8px}
.hud .hud-spacer{flex:1}
.hud .hud-item{background:rgba(255,255,255,.18);border-radius:999px;padding:6px 14px;font-weight:800;font-family:var(--fdisplay)}
.hud .hearts{letter-spacing:2px;font-size:1.1rem}
.progress-track{height:10px;background:var(--skin-l);position:relative}
.progress-track b{position:absolute;left:0;top:0;height:100%;background:var(--skin);border-radius:0 999px 999px 0;transition:width .35s ease;width:0}

/* question card */
.q-area{padding:26px 22px 30px}
.q-scene{font-size:2.6rem;text-align:center;margin:0 0 6px}
.q-prompt{font-family:var(--fdisplay);font-weight:700;font-size:1.4rem;text-align:center;margin:6px auto 6px;max-width:640px}
.q-sentence{font-size:1.7rem;text-align:center;margin:12px auto 4px;font-weight:700;color:var(--ink)}
.q-speak{display:block;margin:6px auto 16px;background:var(--skin-l);color:var(--skin-d);border:0;border-radius:999px;min-height:44px;padding:8px 18px;font-weight:800;font-family:var(--fdisplay);cursor:pointer}
.q-speak:hover{filter:brightness(.97)}

/* choices */
.choices{display:grid;gap:12px;max-width:520px;margin:6px auto 0}
.choice{
  display:flex;align-items:center;justify-content:center;gap:8px;min-height:60px;padding:14px 18px;
  font-family:var(--fdisplay);font-weight:700;font-size:1.3rem;color:var(--ink);
  background:#fff;border:3px solid var(--line);border-radius:16px;cursor:pointer;transition:.1s;
}
.choice:hover:not(:disabled){border-color:var(--skin);transform:translateY(-2px)}
.choice:disabled{cursor:default}
.choice.correct{border-color:var(--good);background:#e9f9f1;color:#137a48}
.choice.wrong{border-color:var(--bad);background:#fdeceb;color:#b3322c}

/* tap-word */
.tapline{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:600px;margin:10px auto 0}
.tapword{font-family:var(--fdisplay);font-weight:700;font-size:1.5rem;padding:10px 16px;border-radius:14px;border:3px solid var(--line);background:#fff;cursor:pointer;transition:.1s}
.tapword:hover:not(:disabled){border-color:var(--skin);transform:translateY(-2px)}
.tapword.correct{border-color:var(--good);background:#e9f9f1;color:#137a48}
.tapword.wrong{border-color:var(--bad);background:#fdeceb;color:#b3322c}
.tapword.plain{border-color:transparent;cursor:default}

/* order / build */
.build-slots{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;min-height:66px;max-width:640px;margin:12px auto;padding:12px;border:3px dashed var(--line);border-radius:16px;background:var(--skin-l)}
.build-bank{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:640px;margin:6px auto 16px}
.tile{font-family:var(--fdisplay);font-weight:700;font-size:1.35rem;padding:10px 18px;border-radius:14px;border:3px solid var(--skin);background:#fff;color:var(--skin-d);cursor:pointer;box-shadow:0 3px 0 var(--skin);transition:.08s}
.tile:hover{transform:translateY(-2px)}
.tile:active{transform:translateY(1px);box-shadow:0 1px 0 var(--skin)}
.tile.placed{background:var(--skin);color:#fff;box-shadow:none}
.slot-empty{color:var(--muted);align-self:center;font-weight:700;font-family:var(--fbody)}

/* feedback */
.feedback{max-width:600px;margin:16px auto 0;padding:14px 18px;border-radius:14px;font-weight:700;display:none}
.feedback.show{display:block}
.feedback.ok{background:#e9f9f1;color:#137a48;border:2px solid #b6ecd0}
.feedback.no{background:#fff6e6;color:#8a5a00;border:2px solid #ffe4a8}
.q-actions{text-align:center;margin-top:18px}

/* boss */
.boss-wrap{text-align:center;padding:10px 0 4px}
.boss-face{font-size:3.4rem}
.boss-name{font-family:var(--fdisplay);font-weight:800;font-size:1.2rem;margin:2px 0}
.boss-hp{height:16px;max-width:360px;margin:8px auto;background:#f0dede;border-radius:999px;overflow:hidden;border:2px solid #eecccc}
.boss-hp b{display:block;height:100%;background:linear-gradient(90deg,#f0554e,#ff8a63);width:100%;transition:width .4s ease}

/* explorer map */
.map{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;padding:10px 0}
.stone{width:26px;height:26px;border-radius:50%;background:var(--skin-l);border:2px solid var(--skin);display:grid;place-items:center;font-size:.8rem}
.stone.done{background:var(--skin);color:#fff}
.stone.here{transform:scale(1.35);box-shadow:0 0 0 4px var(--skin-l)}

/* story */
.story-scene{max-width:600px;margin:0 auto 8px;background:var(--skin-l);border-radius:16px;padding:16px 20px;font-size:1.15rem;text-align:center}
.story-scene .emoji{font-size:2.4rem;display:block;margin-bottom:6px}

/* end screen */
.endscreen{padding:34px 24px;text-align:center}
.endscreen .trophy{font-size:4.5rem}
.endscreen h2{font-size:2rem;margin:.1em 0}
.stars-earned{font-size:2rem;letter-spacing:4px;margin:6px 0 14px}
.end-skills{max-width:460px;margin:16px auto;text-align:left}
.end-skills .score-row{grid-template-columns:130px 1fr 44px}
.end-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}

/* progress page */
.progress-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.progress-summary .stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;text-align:center;box-shadow:var(--shadow-sm)}
.progress-summary .stat b{display:block;font-family:var(--fdisplay);font-size:1.9rem;color:var(--brand)}
.progress-summary .stat span{font-size:.85rem;color:var(--muted);font-weight:700}
.progress-empty{background:#fff;border:2px dashed var(--line);border-radius:18px;padding:30px;text-align:center;margin:20px 0}
.progress-skills{display:grid;gap:12px;margin:10px 0}
.progress-skills .score-row{grid-template-columns:150px 1fr 46px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm)}
.progress-next{background:var(--brand-l);border-radius:14px;padding:14px 18px;font-weight:700;text-align:center}

.play-about{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-top:8px;box-shadow:var(--shadow-sm)}
.play-about h2{font-size:1.3rem}
.play-more{display:flex;flex-wrap:wrap;gap:6px 14px;font-weight:700}

/* confetti */
.confetti{position:fixed;top:-10px;width:10px;height:14px;z-index:80;pointer-events:none;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(105vh) rotate(540deg);opacity:.9}}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width:600px){
  .game-grid{grid-template-columns:repeat(2,1fr)}
  .soon-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:820px){
  body{font-size:18px}
  .hero{padding:56px 0 24px}
  .hero-wrap{grid-template-columns:1.1fr .9fr}
  .hero-copy h1{font-size:3.4rem}
  .hero-art{display:block}
  .game-grid{grid-template-columns:repeat(3,1fr)}
  .two-col{grid-template-columns:1fr 1fr}
  .soon-grid{grid-template-columns:repeat(4,1fr)}
  .section-h{font-size:2.1rem}
}
@media (min-width:1000px){
  .game-grid{grid-template-columns:repeat(5,1fr)}
  .game-card{min-height:190px}
}
@media (max-width:719px){
  .site-nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 18px 18px;gap:2px;transform:translateY(-140%);transition:transform .22s ease;box-shadow:var(--shadow)}
  .site-nav.open{transform:translateY(0)}
  .site-nav a{padding:14px}
  .nav-toggle{display:flex}
  .progress-summary{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* Optional dark mode (respects device setting) */
@media (prefers-color-scheme:dark){
  :root{
    --ink:#efeafe;--ink-soft:#c6bff0;--muted:#9a93c4;
    --bg:#14102b;--card:#211a45;--line:#332a5e;--brand-l:#2a2258;
  }
  body{background-image:radial-gradient(circle at 12% 8%,#221a49 0,transparent 42%),radial-gradient(circle at 92% 4%,#2a1c40 0,transparent 40%)}
  .site-head{background:rgba(20,16,43,.9)}
  .btn-ghost{background:var(--card)}
  .score-demo,.game-card,.topic-block,.unit-chip,.unit-row a,.soon-card,.play-about,.progress-skills .score-row,.progress-summary .stat,.faq details,.progress-reset,.game-stage,.unit-play-cta{background:var(--card)}
  .choice,.tapword,.tile{background:var(--card);color:var(--ink)}
}