/* RESET & TOKENS — bright/playful/kawaii */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#1c1c2e;--ink-mid:#4a4a6a;--ink-muted:#8888aa;
  --paper:#f8f7ff;--paper-2:#f0effe;--paper-3:#e2e0f8;--white:#ffffff;
  --coral:#ff6b6b;--coral-bg:#fff0f0;--coral-hover:#ff5252;
  --lavender:#7c6ff7;--lavender-bg:#f0effe;--lavender-hover:#6559e8;
  --mint:#00c9a7;--mint-bg:#e6faf7;
  --charcoal:#333534;--charcoal-2:#2a2c2b;--charcoal-3:#404241;
  --yellow:#ffd93d;--yellow-bg:#fffbe6;
  --pink:#ff9ff3;--sky:#48dbfb;--sky-bg:#e8fbff;
  --accent:var(--coral);--accent-hover:var(--coral-hover);
  --green:var(--mint);--green-bg:var(--mint-bg);--gold:#f9a825;
  --r:10px;--rl:18px;--rx:24px;
  --shadow:0 2px 8px rgba(124,111,247,.1),0 8px 24px rgba(124,111,247,.08);
  --shadow-card:0 4px 16px rgba(28,28,46,.08);
  --nav-h:58px;--max:1100px;
}
html{scroll-behavior:smooth}
body{font-family:'Nunito','Helvetica Neue',Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px;min-height:100vh}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
img{display:block;max-width:100%}
.sans{font-family:'Nunito','Helvetica Neue',Arial,sans-serif}
h1,h2,h3,h4{font-family:'Nunito',sans-serif;font-weight:800;line-height:1.2}

/* NAV */
#nav{position:sticky;top:0;z-index:200;background:var(--charcoal);display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:var(--nav-h);border-bottom:1px solid var(--charcoal-3);box-shadow:0 2px 12px rgba(0,0,0,.15)}
.nav-logo{display:flex;align-items:center;gap:9px;cursor:pointer}
.nav-logo-img{height:38px;width:auto;max-width:100%;object-fit:contain;display:block}
.nav-logo-badge{font-size:18px;color:#fff;background:linear-gradient(135deg,var(--lavender),var(--coral));width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;flex-shrink:0;box-shadow:0 2px 8px rgba(124,111,247,.35)}
.nav-logo-text{font-family:'Nunito',sans-serif;font-size:14px;font-weight:800;color:#fff;letter-spacing:-.3px}
.nav-links{display:flex;gap:3px}
.nav-links button{font-family:'Nunito',sans-serif;font-size:12px;font-weight:600;color:rgba(255,255,255,.7);padding:5px 11px;border-radius:20px;transition:all .15s}
.nav-links button:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-links button.active{background:var(--lavender);color:#fff}
.nav-yt{font-family:'Nunito',sans-serif;font-size:11px;font-weight:700;color:#fff;background:var(--coral);border-radius:20px;padding:5px 12px;display:flex;align-items:center;gap:4px;flex-shrink:0;transition:background .15s}
.nav-yt:hover{background:var(--coral-hover)}
.nav-yt::before{content:"▶";font-size:8px}
.nav-right{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;background:none;color:#fff;font-size:22px;line-height:1;padding:2px 9px;border-radius:8px;transition:background .15s}
.menu-toggle:hover{background:rgba(255,255,255,.1)}
@media(max-width:820px){
  .menu-toggle{display:flex;align-items:center}
  .nav-links{position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:2px;background:var(--charcoal);border-bottom:1px solid var(--charcoal-3);box-shadow:0 10px 24px rgba(0,0,0,.35);padding:10px;max-height:calc(100vh - var(--nav-h));overflow-y:auto;display:none}
  .nav-links.open{display:flex}
  .nav-links button{font-size:15px;padding:12px 14px;text-align:left;width:100%;border-radius:10px}
}

/* LAYOUT */
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
#app{min-height:calc(100vh - var(--nav-h) - 80px)}
.view{animation:fadeIn .22s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* FOOTER */
footer{background:var(--charcoal);color:rgba(255,255,255,.55);padding:28px 20px;margin-top:60px}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-logo{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.footer-logo-img{height:42px;width:auto;max-width:100%;object-fit:contain;display:block}
.footer-logo-domain{font-size:11px;color:rgba(255,255,255,.45);font-weight:600;letter-spacing:.02em}
.footer-tagline{font-size:10px;color:rgba(255,255,255,.35);font-weight:500;margin-top:2px;letter-spacing:.02em}
.pickles-mark{color:rgba(255,255,255,.55);font-weight:600}
.pickles-link{color:rgba(255,255,255,.55);font-weight:600;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.2);transition:color .15s,border-color .15s}
.pickles-link:hover{color:#fff;border-bottom-color:rgba(255,255,255,.6)}
.footer-links{display:flex;gap:16px}
.footer-links button{font-family:'Nunito',sans-serif;font-size:12px;font-weight:600;color:rgba(255,255,255,.55);transition:color .15s;background:none;border:none;cursor:pointer}
.footer-links button:hover{color:#fff}
.footer-copy{font-family:'Nunito',sans-serif;font-size:11px;color:rgba(255,255,255,.35);text-align:center;margin-top:14px;max-width:var(--max);margin-left:auto;margin-right:auto;padding:0 20px}

/* SHARED */
.badge{display:inline-block;font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;letter-spacing:.04em;padding:2px 9px;border-radius:20px}
.badge-n5{background:#fff3e0;color:#d84315}
.badge-n4{background:var(--sky-bg);color:#0277bd}
.btn{font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;border-radius:var(--rx);padding:10px 20px;transition:all .15s;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--charcoal);color:#fff;border:none}
.btn-primary:hover{background:var(--charcoal-2)}
.btn-accent{background:var(--coral);color:#fff;border:none;box-shadow:0 4px 14px rgba(255,107,107,.35)}
.btn-accent:hover{background:var(--coral-hover);transform:translateY(-1px);box-shadow:0 6px 18px rgba(255,107,107,.4)}
.btn-ghost{background:var(--white);color:var(--ink);border:2px solid var(--paper-3)}
.btn-ghost:hover{border-color:var(--lavender);color:var(--lavender);background:var(--lavender-bg)}
.card{background:var(--white);border:1.5px solid var(--paper-3);border-radius:var(--rl);box-shadow:var(--shadow-card)}
.breadcrumb{font-family:'Nunito',sans-serif;font-size:12px;font-weight:600;color:var(--ink-muted);padding:12px 0;display:flex;gap:6px;align-items:center}
.breadcrumb button{color:var(--ink-mid);background:none;border:none;cursor:pointer;font-family:inherit;font-size:12px;font-weight:600}
.breadcrumb button:hover{color:var(--lavender)}
.progress-bar{height:6px;background:var(--paper-3);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--lavender),var(--coral));border-radius:3px;transition:width .4s ease}

/* TILES */
.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}
.tile{background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rl);padding:12px 6px;text-align:center;cursor:pointer;transition:all .18s cubic-bezier(.34,1.56,.64,1);display:flex;flex-direction:column;align-items:center;gap:3px}
.tile:hover{border-color:var(--lavender);transform:translateY(-3px) scale(1.04);box-shadow:var(--shadow)}
.tile.done{background:var(--mint-bg);border-color:var(--mint)}
.tile-char{font-size:26px;line-height:1.15;display:block}
.tile-rom{font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;color:var(--ink-muted)}
.tile-mean{font-family:'Nunito',sans-serif;font-size:9px;color:var(--ink-muted);margin-top:1px}
.row-divider{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--lavender);margin:28px 0 10px;display:flex;align-items:center;gap:10px}
.row-divider::after{content:"";flex:1;height:2px;background:var(--paper-3);border-radius:1px}

/* MNEMONIC */
.mnemonic{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--lavender-bg);border-left:4px solid var(--lavender);border-radius:0 var(--rl) var(--rl) 0;margin-bottom:12px}
.mnemonic-char{font-size:44px;line-height:1;min-width:52px;text-align:center}
.mnemonic-rom{font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;color:var(--lavender);letter-spacing:.1em;margin-bottom:3px}
.mnemonic-text{font-size:14px;color:var(--ink-mid);line-height:1.6}

/* STROKE */
.stroke-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.stroke-item{text-align:center}
.stroke-char{font-size:50px;width:70px;height:70px;background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rl);display:flex;align-items:center;justify-content:center;transition:all .2s;cursor:default}
.stroke-char:hover{color:var(--lavender);border-color:var(--lavender);transform:scale(1.05)}
.stroke-label{font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;color:var(--ink-muted);margin-top:4px}

/* ===== STROKE-ORDER + TRACE WIDGET ===== */
.sw-stack{display:flex;flex-direction:column;gap:18px;margin-bottom:32px}
.sw{background:var(--white);border:1px solid var(--paper-3);border-radius:var(--rl);box-shadow:var(--shadow-card);overflow:hidden}
.sw-char-head{display:flex;align-items:baseline;gap:10px;padding:12px 16px 0}
.sw-char-head .sw-char{font-size:30px;line-height:1;color:var(--ink)}
.sw-char-head .sw-rom{font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;color:var(--ink-muted)}
.sw-panels{display:grid;grid-template-columns:1fr 1fr;gap:0}
.sw-panel{padding:14px 16px 16px;min-width:0}
.sw-panel + .sw-panel{border-left:1px solid var(--paper-3)}
.sw-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.sw-panel-title{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mid)}
.sw-meta{font-family:'Nunito',sans-serif;font-size:11px;font-weight:700;color:var(--ink-muted)}
.sw-stage{position:relative;width:100%;max-width:240px;margin:0 auto;aspect-ratio:1/1}
.sw-stage svg{display:block;width:100%;height:100%;background:var(--paper);border-radius:var(--r);touch-action:none}
.sw-trace .sw-stage svg{cursor:crosshair}
.sw-grid{stroke:var(--paper-3);stroke-width:1;fill:none}
.sw-grid-dash{stroke:var(--paper-3);stroke-width:1;stroke-dasharray:4 5;fill:none}
.sw-anim-path{fill:none;stroke:var(--ink);stroke-width:5.5;stroke-linecap:round;stroke-linejoin:round}
.sw-pen{fill:var(--coral)}
.sw-num{font-family:'Nunito',sans-serif;font-size:8px;font-weight:800;fill:var(--lavender)}
.sw-ghost{fill:none;stroke:var(--paper-3);stroke-width:5.5;stroke-linecap:round;stroke-linejoin:round}
.sw-done{fill:none;stroke:var(--mint);stroke-width:5.5;stroke-linecap:round;stroke-linejoin:round}
.sw-target{fill:none;stroke:#cfc9f5;stroke-width:5.5;stroke-linecap:round;stroke-linejoin:round}
.sw-start{fill:var(--mint)}
.sw-arrow{fill:var(--mint)}
.sw-ink{fill:none;stroke:var(--coral);stroke-width:6;stroke-linecap:round;stroke-linejoin:round;opacity:.95;pointer-events:none}
.sw-stage.is-shake svg{animation:sw-shake .32s}
@keyframes sw-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.sw-toast{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(28,28,46,.9);color:#fff;font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;padding:7px 13px;border-radius:var(--r);opacity:0;pointer-events:none;transition:opacity .18s;white-space:nowrap}
.sw-toast.show{opacity:1}
.sw-toast.ok{background:rgba(0,201,167,.95)}
.sw-controls{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center;margin-top:12px}
.sw-btn{font-family:'Nunito',sans-serif;font-size:12px;font-weight:700;color:var(--ink-mid);background:var(--paper-2);border:1px solid var(--paper-3);border-radius:99px;padding:6px 11px;cursor:pointer;transition:all .15s;line-height:1;min-height:30px}
.sw-btn:hover{background:var(--lavender-bg);border-color:var(--lavender);color:var(--lavender)}
.sw-btn:active{transform:scale(.95)}
.sw-btn.is-on{background:var(--lavender);border-color:var(--lavender);color:#fff}
.sw-toggle{display:inline-flex;align-items:center;gap:5px;font-family:'Nunito',sans-serif;font-size:12px;font-weight:700;color:var(--ink-mid);cursor:pointer;user-select:none}
.sw-toggle input{accent-color:var(--lavender)}
.sw-done-banner{text-align:center;font-family:'Nunito',sans-serif;font-size:12px;font-weight:800;color:var(--mint);margin-top:8px;min-height:16px}
@media(max-width:600px){
  .sw-panels{grid-template-columns:1fr}
  .sw-panel + .sw-panel{border-left:0;border-top:1px solid var(--paper-3)}
}

/* VIDEO */
.video-wrap{position:relative;width:100%;padding-bottom:56.25%;background:#111;border-radius:var(--rl);overflow:hidden;margin-bottom:28px;box-shadow:var(--shadow-card)}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}
.video-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,var(--charcoal-2),var(--charcoal-3));cursor:pointer}
.video-bg-char{font-size:90px;opacity:.06;color:#fff;position:absolute}
.play-btn{width:58px;height:58px;background:var(--coral);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;transition:transform .2s cubic-bezier(.34,1.56,.64,1),background .2s;position:relative;z-index:1;box-shadow:0 4px 16px rgba(255,107,107,.45)}
.video-placeholder:hover .play-btn{transform:scale(1.15);background:var(--coral-hover)}
.video-caption{font-family:'Nunito',sans-serif;font-size:13px;font-weight:600;color:#888;position:relative;z-index:1}
.lesson-video-soon{display:flex;align-items:center;flex-wrap:wrap;gap:10px 12px;margin-bottom:28px}
.lesson-video-soon h2{font-size:18px;margin:0}
.lesson-video-soon .vs-pill{font-family:-apple-system,sans-serif;font-size:11px;letter-spacing:.1em;color:var(--coral);background:var(--coral-bg);border:1px solid rgba(255,107,107,.4);border-radius:20px;padding:4px 12px;text-transform:uppercase}
.lesson-video-soon .vs-cta{display:inline-flex;align-items:center;gap:6px;color:#c00;font-family:-apple-system,sans-serif;font-size:13px;font-weight:600;text-decoration:none}
.lesson-video-soon .vs-cta:hover{text-decoration:underline}

/* LESSON LAYOUT */
.lesson-grid{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:28px 0 60px;align-items:start}
@media(max-width:780px){.lesson-grid{grid-template-columns:1fr}}
.sidebar{display:flex;flex-direction:column;gap:14px}
.sidebar-card{background:var(--white);border:1.5px solid var(--paper-3);border-radius:var(--rl);overflow:hidden;box-shadow:var(--shadow-card)}
.sidebar-card-head{padding:10px 14px;border-bottom:1.5px solid var(--paper-3);font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--ink-muted)}
.sidebar-card-body{padding:14px}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px}
.info-cell{background:var(--paper-2);border:1.5px solid var(--paper-3);border-radius:var(--rl);padding:12px 14px}
.info-label{font-family:'Nunito',sans-serif;font-size:9px;font-weight:800;letter-spacing:.09em;color:var(--ink-muted);margin-bottom:2px}
.info-value{font-size:15px;font-weight:700}
.info-value.lg{font-size:28px;font-weight:800}
.examples-table{width:100%;border-collapse:collapse}
.examples-table td{padding:10px 0;border-bottom:1.5px solid var(--paper-3);vertical-align:top}
.examples-table tr:last-child td{border-bottom:none}
.ex-word{font-size:24px;padding-right:14px;white-space:nowrap}
.ex-read{font-family:'Nunito',sans-serif;font-size:13px;font-weight:600;color:var(--ink-mid)}
.ex-meaning{font-family:'Nunito',sans-serif;font-size:12px;color:var(--ink-muted)}

/* QUIZ */
.quiz-wrap{background:var(--lavender-bg);border:1.5px solid var(--paper-3);border-radius:var(--rl);padding:22px;margin-top:28px}
.quiz-label{font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--lavender);margin-bottom:14px}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:20px}
.quiz-opt{font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rl);padding:10px 16px;transition:all .15s;color:var(--ink)}
.quiz-opt:hover:not(:disabled){border-color:var(--lavender);background:var(--lavender-bg);color:var(--lavender)}
.quiz-opt.correct{background:var(--mint-bg)!important;border-color:var(--mint)!important;color:#008a72!important}
.quiz-opt.wrong{background:#fff0f0!important;border-color:var(--coral)!important;color:var(--coral)!important}
.quiz-opt:disabled{cursor:default}
.quiz-prompt{font-size:72px;text-align:center;line-height:1;margin:8px 0 4px}
.quiz-question-label{font-family:'Nunito',sans-serif;font-size:12px;font-weight:600;color:var(--ink-muted);text-align:center}
.quiz-feedback{min-height:28px;font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;text-align:center;margin-top:10px}
.quiz-progress-row{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.quiz-counter{font-family:'Nunito',sans-serif;font-size:11px;font-weight:700;color:var(--ink-muted);white-space:nowrap}

/* LESSON NAV */
.lesson-nav{display:flex;gap:10px;margin-top:28px}
.lesson-nav-btn{flex:1;background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rl);padding:14px 18px;display:flex;align-items:center;gap:10px;cursor:pointer;color:var(--ink);transition:all .18s;text-align:left;box-shadow:var(--shadow-card)}
.lesson-nav-btn:hover{border-color:var(--lavender);box-shadow:var(--shadow);transform:translateY(-2px)}
.lesson-nav-btn.next{justify-content:flex-end;text-align:right}
.lnb-char{font-size:28px}
.lnb-label{font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;color:var(--ink-muted)}
.lnb-title{font-family:'Nunito',sans-serif;font-size:13px;font-weight:700}

/* JUMP LIST */
.jump-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 8px;border-radius:var(--r);border:none;background:none;cursor:pointer;color:var(--ink);transition:background .12s;text-align:left;font-family:'Nunito',sans-serif}
.jump-item:hover{background:var(--lavender-bg)}
.jump-item.current{background:var(--lavender-bg);color:var(--lavender)}
.jump-item.current .jump-char{color:var(--lavender)}
.jump-char{font-size:20px;min-width:28px;text-align:center}
.jump-sub{font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;color:var(--ink-muted)}
.mark-done-btn{width:100%;padding:12px;border-radius:var(--rl);border:2px solid var(--mint);background:var(--white);color:#008a72;font-family:'Nunito',sans-serif;font-size:13px;font-weight:800;cursor:pointer;transition:all .15s}
.mark-done-btn:hover{background:var(--mint-bg);transform:translateY(-1px)}
.mark-done-btn.done{background:var(--mint-bg);border-color:var(--mint);color:#008a72}
.dl-row{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border-radius:var(--r);border:1.5px solid var(--paper-3);background:var(--white);font-family:'Nunito',sans-serif;font-size:12px;font-weight:700;color:var(--ink-mid);cursor:pointer;transition:all .15s;margin-bottom:6px}
.dl-row:last-child{margin-bottom:0}
.dl-row:hover{border-color:var(--lavender);color:var(--lavender);background:var(--lavender-bg)}

/* READING CHIPS */
.reading-chips{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 12px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px 3px 6px;border-radius:20px;font-family:'Nunito',sans-serif;font-size:12px;font-weight:700}
.chip-label{font-size:8px;font-weight:800;letter-spacing:.06em;opacity:.7}
.chip-on{background:rgba(255,107,107,.18);color:#cc3333;border:1.5px solid rgba(255,107,107,.3)}
.chip-kun{background:rgba(124,111,247,.15);color:#5544cc;border:1.5px solid rgba(124,111,247,.25)}

/* HOME */
.hero{background:#fff;overflow:hidden;position:relative;border-bottom:3px solid var(--paper-3)}
.hero-inner{max-width:var(--max);margin:0 auto;padding:52px 20px 56px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-left{position:relative;z-index:1}
.hero h1{color:var(--ink);font-size:clamp(28px,4vw,50px);margin-bottom:14px;line-height:1.1}
.hero h1 .h1-accent{color:var(--lavender)}
.hero-tag{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--coral);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.hero-tag::before{content:"✦";font-size:10px}
.hero-sub{font-family:'Nunito',sans-serif;font-size:15px;color:var(--ink-mid);margin-bottom:28px;line-height:1.7;max-width:460px}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.hero-right{display:flex;flex-direction:column;gap:10px;position:relative}
.hero-kana-row{display:flex;gap:8px;justify-content:center}
.hero-kana-row:nth-child(2){padding-left:36px}
.hero-kana-row:nth-child(3){padding-left:18px}
.preview-tile{
  background:var(--white);border:2.5px solid var(--paper-3);border-radius:16px;
  padding:10px 8px;text-align:center;width:64px;cursor:pointer;
  transition:all .2s cubic-bezier(.34,1.56,.64,1);
  box-shadow:0 2px 8px rgba(124,111,247,.08);
}
.preview-tile:nth-child(1){border-color:#ffb3b3;background:#fff5f5}
.preview-tile:nth-child(2){border-color:#b3c6ff;background:#f5f8ff}
.preview-tile:nth-child(3){border-color:#b3f0e0;background:#f0fdf9}
.preview-tile:nth-child(4){border-color:#ffe0a3;background:#fffbf0}
.preview-tile:nth-child(5){border-color:#e0b3ff;background:#faf5ff}
.preview-tile:hover{transform:translateY(-5px) rotate(-2deg) scale(1.08);box-shadow:0 8px 24px rgba(124,111,247,.2)}
.preview-tile-char{font-size:28px;display:block;line-height:1.15;margin-bottom:2px}
.preview-tile-rom{font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;color:var(--ink-muted)}
.hero-deco{position:absolute;font-size:120px;opacity:.06;color:var(--lavender);right:-20px;top:-30px;line-height:1;pointer-events:none;z-index:0}
.stats-strip{background:linear-gradient(135deg,var(--lavender-bg),var(--coral-bg));border-top:3px solid var(--paper-3);border-bottom:3px solid var(--paper-3)}
.stats-inner{max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:18px 0;text-align:center;border-right:1.5px solid var(--paper-3)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--lavender),var(--coral));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-lbl{font-family:'Nunito',sans-serif;font-size:11px;font-weight:700;color:var(--ink-muted)}
.tracks-section{padding:52px 0}
.section-eyebrow{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--lavender);margin-bottom:8px}
.section-title{font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.section-sub{font-family:'Nunito',sans-serif;font-size:14px;color:var(--ink-mid);margin-bottom:32px;line-height:1.6}
.tracks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.track-card{background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rx);overflow:hidden;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);box-shadow:var(--shadow-card)}
.track-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.track-head{padding:24px;display:flex;align-items:center;justify-content:space-between}
.track-head.hira{background:linear-gradient(135deg,#1a3a2a,#0d4a3a)}
.track-head.kata{background:linear-gradient(135deg,#1a1a3a,#1a0d4a)}
.track-head.kan{background:linear-gradient(135deg,#3a1a1a,#4a0d0d)}
.track-head.grade{background:linear-gradient(135deg,#3a1f12,#4a230d)}
.track-head.jlpt{background:linear-gradient(135deg,#241a3a,#330d4a)}
.track-head.kan .track-head-char{font-size:48px}
.track-head-char{font-size:54px;color:rgba(255,255,255,.9)}
.track-head-count{text-align:right;font-family:'Nunito',sans-serif}
.track-count-num{font-size:28px;font-weight:800;color:rgba(255,255,255,.8);display:block;line-height:1}
.track-count-lbl{font-size:11px;font-weight:700;color:rgba(255,255,255,.35)}
.track-body{padding:16px 18px}
.track-name{font-size:17px;font-weight:800;margin-bottom:5px}
.track-jp{font-family:'Nunito',sans-serif;font-size:12px;font-weight:600;color:var(--ink-muted);margin-left:6px}
.track-jlpt-eq{display:inline-block;font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;letter-spacing:.03em;color:var(--ink-muted);background:var(--paper-2);border:1px solid var(--paper-3);border-radius:20px;padding:2px 9px}
.track-group{margin:34px 0 16px}
.track-group-eyebrow{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;letter-spacing:.09em;color:var(--accent);text-transform:uppercase}
.track-group-title{font-size:19px;font-weight:800;margin-top:3px}
.track-group-note{font-family:'Nunito',sans-serif;font-size:12px;color:var(--ink-muted);margin-top:2px}
.track-desc{font-family:'Nunito',sans-serif;font-size:13px;color:var(--ink-mid);line-height:1.5;margin-bottom:10px}
.steps-section{background:var(--paper-2);border-top:2px solid var(--paper-3);padding:52px 0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:26px}
.step{text-align:center;padding:24px;background:var(--white);border-radius:var(--rx);border:2px solid var(--paper-3);box-shadow:var(--shadow-card)}
.step-n{font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--coral);margin-bottom:12px}
.step-icon{font-size:40px;margin-bottom:12px;display:block}
.step h3{font-size:17px;font-weight:800;margin-bottom:7px}
.step p{font-family:'Nunito',sans-serif;font-size:13px;color:var(--ink-mid);line-height:1.6}
.cta-section{background:linear-gradient(135deg,var(--charcoal-2),var(--charcoal-3));color:#fff;padding:60px 20px;text-align:center}
.cta-chars{font-size:40px;opacity:.15;letter-spacing:12px;margin-bottom:14px}
.cta-section h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.cta-section p{font-family:'Nunito',sans-serif;font-size:15px;color:rgba(255,255,255,.55);margin-bottom:28px}
.cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:760px;margin:0 auto 26px}
.cta-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--rl);padding:20px 14px;cursor:pointer;transition:transform .2s cubic-bezier(.34,1.56,.64,1),background .2s,border-color .2s;text-align:center;text-decoration:none;display:block}
.cta-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);transform:translateY(-4px)}
.cta-card-char{font-size:32px;color:#fff;display:block;line-height:1;margin-bottom:8px}
.cta-card-name{font-family:'Nunito',sans-serif;font-size:14px;font-weight:800;color:#fff}
.cta-card-sub{font-family:'Nunito',sans-serif;font-size:11px;color:rgba(255,255,255,.5);margin-top:3px;line-height:1.3}
.cta-sublink{font-family:'Nunito',sans-serif;font-size:13px;color:rgba(255,255,255,.55)}
.cta-sublink a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
.cta-sublink a:hover{border-bottom-color:#fff}
@media(max-width:680px){.cta-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.hero-inner{grid-template-columns:1fr}.hero-preview{display:none}.tracks-grid{grid-template-columns:1fr}.stats-inner{grid-template-columns:1fr 1fr}.steps-grid{grid-template-columns:1fr}}

/* TRACK HERO */
.track-hero{background:linear-gradient(145deg,var(--charcoal-2),var(--charcoal-3));padding:38px 0 28px}
.track-hero-inner{max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end}
.track-hero h1{color:#fff;margin-bottom:8px}
.track-hero-sub{font-family:'Nunito',sans-serif;font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:20px;line-height:1.6}
.track-bg-char{font-size:120px;color:rgba(255,255,255,.06);line-height:1;flex-shrink:0}
.track-progress-row{font-family:'Nunito',sans-serif;font-size:12px;font-weight:700;color:var(--ink-mid);display:flex;align-items:center;gap:10px;margin-bottom:28px;padding-top:8px}
.track-progress-row .bar{flex:1;max-width:180px}

/* PRACTICE SHEET NUDGE */
.practice-nudge{
  display:flex;align-items:center;gap:14px;
  background:linear-gradient(135deg,var(--lavender-bg),var(--coral-bg));
  border:2px solid var(--paper-3);border-radius:var(--rl);
  padding:14px 18px;margin:0 0 28px;
  text-decoration:none;color:var(--ink);
  transition:all .2s cubic-bezier(.34,1.56,.64,1);
  box-shadow:0 2px 8px rgba(124,111,247,.08);
}
.practice-nudge:hover{
  transform:translateY(-2px);
  border-color:var(--lavender);
  box-shadow:0 6px 20px rgba(124,111,247,.18);
}
.practice-nudge-icon{
  font-size:28px;flex-shrink:0;line-height:1;
}
.practice-nudge-body{flex:1;min-width:0}
.practice-nudge-title{
  font-family:'Nunito',sans-serif;font-size:15px;font-weight:800;
  color:var(--ink);margin-bottom:2px;
}
.practice-nudge-sub{
  font-size:12px;color:var(--ink-mid);font-weight:600;
}
.practice-nudge-cta{
  font-size:12px;font-weight:800;color:var(--lavender);
  background:var(--white);border:1.5px solid var(--lavender);
  padding:8px 14px;border-radius:20px;flex-shrink:0;
  transition:all .15s;
}
.practice-nudge:hover .practice-nudge-cta{
  background:var(--lavender);color:#fff;
}

/* KANJI INDEX */
.kanji-tile{background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rl);padding:14px 8px;text-align:center;cursor:pointer;transition:all .18s cubic-bezier(.34,1.56,.64,1)}
.kanji-tile:hover{border-color:var(--lavender);transform:translateY(-3px) scale(1.03);box-shadow:var(--shadow)}
.kanji-tile.done{background:var(--mint-bg);border-color:var(--mint)}
.kanji-char{font-size:32px;display:block;line-height:1.2;margin-bottom:4px}
.kanji-meaning{font-family:'Nunito',sans-serif;font-size:10px;font-weight:700;color:var(--ink-muted);display:block}
.kanji-read{font-family:'Nunito',sans-serif;font-size:10px;font-weight:800;color:var(--lavender);display:block;margin-top:1px}
.kanji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px}

/* COMING SOON */
.kanji-tile.locked{background:var(--paper-2);border-color:var(--paper-3);cursor:default;opacity:.5;pointer-events:none}
.kanji-tile.recording{background:var(--paper-2);border-color:var(--paper-3);cursor:pointer}
.lock-badge{display:inline-block;font-family:'Nunito',sans-serif;font-size:9px;font-weight:800;letter-spacing:.04em;padding:2px 7px;border-radius:10px;margin-top:2px;background:var(--yellow-bg);color:#9a7200;border:1.5px solid #ffe070}
.coming-soon-banner{background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rx);padding:40px 28px;text-align:center;margin:28px 0;box-shadow:var(--shadow-card)}
.coming-soon-banner h3{font-size:22px;font-weight:800;margin-bottom:8px}
.coming-soon-banner p{font-family:'Nunito',sans-serif;font-size:14px;color:var(--ink-mid);margin-bottom:22px;line-height:1.6}
.subscribe-cta{background:linear-gradient(135deg,var(--charcoal-2),var(--charcoal-3));border-radius:var(--rl);padding:22px;text-align:center;margin:20px 0}
.subscribe-cta p{font-family:'Nunito',sans-serif;font-size:13px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:12px;line-height:1.5}

/* DUAL TRACK */
.dual-tracks{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
@media(max-width:680px){.dual-tracks{grid-template-columns:1fr}}
.track-section-card{background:var(--white);border:2px solid var(--paper-3);border-radius:var(--rx);overflow:hidden;box-shadow:var(--shadow-card)}
.track-section-head{padding:20px 22px 16px;border-bottom:2px solid var(--paper-3)}
.track-section-body{padding:16px 22px 20px}
.grade-pills{display:flex;gap:6px;flex-wrap:wrap}
.grade-pill{font-family:'Nunito',sans-serif;font-size:11px;font-weight:800;padding:4px 13px;border-radius:20px;border:2px solid var(--paper-3);cursor:pointer;color:var(--ink-mid);transition:all .15s;background:transparent}
.grade-pill:hover{border-color:var(--lavender);color:var(--lavender);background:var(--lavender-bg)}
.grade-pill.live{border-color:var(--mint);color:#008a72;background:var(--mint-bg)}
.grade-pill.partial{border-color:var(--yellow);color:#9a7200;background:var(--yellow-bg)}
.grade-pill.cs{border-style:dashed;opacity:.5;cursor:default}
.grade-pill.cs:hover{border-color:var(--paper-3);color:var(--ink-muted);background:transparent}

/* KANJI LESSON HERO */
.kanji-hero{background:linear-gradient(145deg,var(--charcoal-2),var(--charcoal-3));padding:38px 0 28px}
.kanji-hero-inner{max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end}
.kanji-big{font-size:130px;color:rgba(255,255,255,.07);line-height:1;flex-shrink:0}
.kanji-hero h1{color:#fff;font-size:clamp(26px,3.5vw,44px);font-weight:800;margin-bottom:6px}
.kanji-hero-sub{font-family:'Nunito',sans-serif;font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:20px;line-height:1.5}
/* ============ MOBILE OVERRIDES ============ */
/* Tablet & smaller */
@media(max-width:900px){
  .tracks-grid{grid-template-columns:repeat(2,1fr)}
}

/* Phone */
@media(max-width:680px){
  body{font-size:15px;line-height:1.6}
  html,body{overflow-x:hidden}

  /* Nav */
  #nav{padding:0 14px}
  .nav-logo-img{height:32px}
  .nav-logo-badge{width:32px;height:32px;font-size:16px}
  .nav-logo-text{font-size:13px}
  .nav-yt{font-size:10px;padding:5px 10px}

  /* Wrap padding tighter on mobile */
  .wrap{padding:0 16px}

  /* Hero */
  .hero-inner{padding:32px 16px 36px;gap:20px;grid-template-columns:1fr}
  .hero h1{font-size:30px;margin-bottom:12px;line-height:1.15}
  .hero-sub{font-size:14px;margin-bottom:20px;line-height:1.6}
  .hero-tag{font-size:10px;margin-bottom:10px}
  .hero-deco{font-size:80px;right:-10px;top:-10px}
  .hero-btns{gap:8px}

  /* Stats — 2x2 instead of 4 */
  .stats-inner{grid-template-columns:1fr 1fr;padding:0 16px}
  .stat-item{padding:14px 0;border-right:none}
  .stat-item:nth-child(odd){border-right:1.5px solid var(--paper-3)}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1.5px solid var(--paper-3)}
  .stat-num{font-size:22px}

  /* Tracks section */
  .tracks-section{padding:36px 0}
  .tracks-grid{grid-template-columns:1fr;gap:14px}
  .section-eyebrow{font-size:10px;margin-bottom:6px}
  .section-title{font-size:22px;margin-bottom:8px;line-height:1.25}
  .section-sub{font-size:13px;margin-bottom:24px}
  .track-head{padding:20px}

  /* Track hero (hiragana / katakana / kanji landing) */
  .track-hero{padding:28px 0 22px}
  .track-hero-inner{padding:0 16px;gap:14px;grid-template-columns:1fr auto}
  .track-hero h1{font-size:26px;margin-bottom:6px;line-height:1.2}
  .track-hero-sub{font-size:13px;margin-bottom:14px;line-height:1.5}
  .track-bg-char{font-size:64px}
  .track-progress-row{font-size:11px;margin-bottom:20px;padding-top:6px;gap:8px}

  /* Practice nudge — tighten on mobile */
  .practice-nudge{padding:12px 14px;gap:10px;margin-bottom:22px}
  .practice-nudge-icon{font-size:24px}
  .practice-nudge-title{font-size:14px}
  .practice-nudge-sub{font-size:11px}
  .practice-nudge-cta{font-size:11px;padding:6px 11px}

  /* Kanji hero (lesson page) */
  .kanji-hero{padding:28px 0 22px}
  .kanji-hero-inner{padding:0 16px;gap:14px}
  .kanji-hero h1{font-size:24px;margin-bottom:4px;line-height:1.2}
  .kanji-hero-sub{font-size:13px;margin-bottom:14px;line-height:1.5}
  .kanji-big{font-size:80px}

  /* Kanji grid — smaller tiles */
  .kanji-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}
  .kanji-tile{padding:12px 6px}
  .kanji-char{font-size:28px}
  .kanji-meaning,.kanji-read{font-size:9px}

  /* Lesson grid (video + sidebar) */
  .lesson-grid{grid-template-columns:1fr;gap:24px}
  .video-wrap{margin-bottom:20px;border-radius:14px}

  /* Sidebar */
  .sidebar-card-head{font-size:11px;padding:14px 16px}
  .sidebar-card-body{padding:14px 16px}

  /* Section card content (track sections, dual tracks) */
  .track-section-head{padding:18px 18px 14px}
  .track-section-body{padding:14px 18px 18px}
  .grade-pill{font-size:10px;padding:4px 11px}

  /* Coming soon */
  .coming-soon-banner{padding:32px 20px;margin:20px 0}
  .coming-soon-banner h3{font-size:19px}
  .coming-soon-banner p{font-size:13px;margin-bottom:18px}

  /* Subscribe CTA */
  .subscribe-cta{padding:18px;margin:16px 0}
  .subscribe-cta p{font-size:12px}

  /* Hero kana preview tiles — keep visible but smaller */
  .hero-right{display:none}

  /* Footer */
  .footer-inner{padding:18px 16px;gap:10px;justify-content:center;text-align:center}
  .footer-logo{align-items:center}
  .footer-logo-img{height:36px}
}

/* Very small phones */
@media(max-width:380px){
  .nav-logo-text{display:none}
  .stats-inner{grid-template-columns:1fr 1fr}
  .stat-num{font-size:20px}
  .hero h1{font-size:26px}
  .kanji-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:7px}
  .kanji-char{font-size:24px}
  .practice-nudge{padding:11px 12px;gap:8px}
  .practice-nudge-icon{font-size:20px}
  .practice-nudge-cta{padding:5px 9px;font-size:10px}
}