@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --paper:#F5F6F2;
  --paper-raised:#FFFFFF;
  --ink:#15211D;
  --ink-soft:#4B564F;
  --cobalt:#2F5FE3;
  --cobalt-deep:#1E3FA0;
  --yellow:#FFC93C;
  --leaf:#2F9E7A;
  --line:#DCE0D8;
  --radius-card:18px;
  --max-w:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', system-ui, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:'Fredoka', system-ui, sans-serif;
  font-weight:600;
  line-height:1.08;
  margin:0;
  color:var(--ink);
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 28px;}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline:3px solid var(--cobalt);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

/* ---------- Header ---------- */
.site-header{
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Fredoka', sans-serif;
  font-size:1.25rem;
  font-weight:600;
}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--cobalt);
  display:flex;align-items:center;justify-content:center;
  color:white;
  font-size:1rem;
  font-weight:700;
  transform:rotate(-6deg);
}
nav.top-nav{display:flex;gap:28px;align-items:center;}
nav.top-nav a{font-size:0.95rem;color:var(--ink-soft);}
nav.top-nav a:hover{color:var(--ink);}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:12px;
  font-weight:600;
  font-size:0.95rem;
  border:2px solid var(--ink);
  background:var(--ink);
  color:var(--paper);
  cursor:pointer;
}
.btn.ghost{
  background:transparent;
  color:var(--ink);
}

/* ---------- Hero ---------- */
.hero{
  padding:72px 0 96px;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
  align-items:center;
}
.eyebrow-plain{
  color:var(--cobalt-deep);
  font-weight:600;
  font-size:0.95rem;
  margin-bottom:14px;
}
.hero h1{
  font-size:clamp(2.4rem, 4.6vw, 3.6rem);
  margin-bottom:22px;
}
.hero p.lede{
  font-size:1.15rem;
  color:var(--ink-soft);
  max-width:46ch;
  margin-bottom:30px;
}
.store-row{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.store-btn{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 18px;
  border-radius:12px;
  background:var(--ink);
  color:var(--paper);
  font-size:0.92rem;
  line-height:1.2;
}
.store-btn .glyph{font-size:1.4rem;}
.store-btn small{display:block;font-size:0.68rem;opacity:0.75;}
.store-btn strong{display:block;font-weight:600;}

/* Flashcard scatter */
.card-scatter{
  position:relative;
  height:380px;
}
.flashcard{
  position:absolute;
  width:150px;
  padding:20px 18px;
  border-radius:16px;
  box-shadow:0 10px 24px rgba(21,33,29,0.12);
  font-family:'Fredoka', sans-serif;
}
.flashcard .word{font-size:1.3rem;font-weight:600;display:block;}
.flashcard .lang{font-size:0.75rem;font-family:'IBM Plex Sans',sans-serif;font-weight:500;opacity:0.75;margin-top:4px;display:block;}
.fc1{background:var(--cobalt);color:white;top:0;left:20px;transform:rotate(-7deg);}
.fc2{background:var(--yellow);color:var(--ink);top:70px;right:0;transform:rotate(5deg);}
.fc3{background:var(--leaf);color:white;bottom:40px;left:60px;transform:rotate(4deg);}
.fc4{background:var(--paper-raised);color:var(--ink);border:2px solid var(--line);bottom:0;right:30px;transform:rotate(-4deg);}

/* ---------- How it works ---------- */
.how{padding:80px 0;}
.section-head{max-width:52ch;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.8rem,3vw,2.4rem);margin-bottom:14px;}
.section-head p{color:var(--ink-soft);font-size:1.05rem;}
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.step{
  background:var(--paper-raised);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
}
.step .num{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--ink);
  color:var(--paper);
  display:flex;align-items:center;justify-content:center;
  font-family:'Fredoka',sans-serif;
  font-weight:600;
  margin-bottom:18px;
}
.step h3{font-size:1.15rem;margin-bottom:8px;}
.step p{color:var(--ink-soft);font-size:0.95rem;}

/* ---------- Features ---------- */
.features{padding:40px 0 90px;}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.feature-card{
  border-radius:var(--radius-card);
  padding:26px 22px;
  min-height:190px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.feature-card h3{font-size:1.05rem;margin-bottom:8px;}
.feature-card p{font-size:0.9rem;}
.feature-card.fa{background:var(--cobalt);color:white;}
.feature-card.fb{background:var(--paper-raised);border:1px solid var(--line);color:var(--ink);}
.feature-card.fc{background:var(--ink);color:var(--paper);}
.feature-card.fd{background:var(--yellow);color:var(--ink);}
.feature-card .fig{font-family:'Fredoka',sans-serif;font-size:1.7rem;font-weight:600;}
.feature-card p{opacity:0.85;}

/* ---------- Why listening ---------- */
.listen{
  padding:80px 0;
  background:var(--ink);
  color:var(--paper);
}
.listen .wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.listen h2{color:var(--paper);font-size:clamp(1.8rem,3vw,2.3rem);margin-bottom:18px;}
.listen p{color:rgba(245,246,242,0.78);font-size:1.02rem;margin-bottom:16px;max-width:50ch;}
.waveform{
  display:flex;
  align-items:flex-end;
  gap:6px;
  height:180px;
}
.waveform span{
  flex:1;
  background:var(--yellow);
  border-radius:6px;
}
.waveform span:nth-child(2n){background:var(--cobalt);}
.waveform span:nth-child(3n){background:var(--leaf);}

/* ---------- Download CTA ---------- */
.cta{
  padding:90px 0;
  text-align:center;
}
.cta h2{font-size:clamp(2rem,3.6vw,2.8rem);margin-bottom:16px;}
.cta p{color:var(--ink-soft);font-size:1.05rem;margin-bottom:30px;}
.cta .store-row{justify-content:center;}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:40px 0;
}
footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
footer .foot-links{display:flex;gap:22px;}
footer a{color:var(--ink-soft);font-size:0.9rem;}
footer a:hover{color:var(--ink);}
footer .fine{font-size:0.85rem;color:var(--ink-soft);}

/* ---------- Privacy page ---------- */
.legal{padding:64px 0 100px;}
.legal .intro{max-width:60ch;margin-bottom:40px;}
.legal .intro .updated{color:var(--ink-soft);font-size:0.9rem;margin-top:10px;display:block;}
.legal h1{font-size:clamp(2rem,3.6vw,2.6rem);margin-bottom:10px;}
.legal-layout{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:48px;
  align-items:start;
}
.legal-toc{
  position:sticky;
  top:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px;
  background:var(--paper-raised);
  border:1px solid var(--line);
  border-radius:14px;
}
.legal-toc a{font-size:0.85rem;color:var(--ink-soft);}
.legal-toc a:hover{color:var(--cobalt-deep);}
.legal-body section{margin-bottom:38px;scroll-margin-top:24px;}
.legal-body h2{font-size:1.15rem;margin-bottom:12px;}
.legal-body p{color:var(--ink-soft);margin-bottom:12px;max-width:70ch;}
.legal-body ul{color:var(--ink-soft);margin:0 0 12px;padding-left:20px;max-width:70ch;}
.legal-body li{margin-bottom:6px;}
.legal-body .in-short{
  background:var(--paper-raised);
  border:1px solid var(--line);
  border-left:4px solid var(--cobalt);
  padding:14px 16px;
  border-radius:10px;
  font-size:0.92rem;
  margin-bottom:14px;
  color:var(--ink);
}
address{font-style:normal;color:var(--ink-soft);}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero .wrap{grid-template-columns:1fr;}
  .card-scatter{height:300px;margin-top:20px;}
  .steps{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .listen .wrap{grid-template-columns:1fr;}
  .legal-layout{grid-template-columns:1fr;}
  .legal-toc{position:static;}
}
@media (max-width:560px){
  .feature-grid{grid-template-columns:1fr;}
  nav.top-nav{display:none;}
}