:root {
  --red: #dc143c;
  --red-dark: #a80f2e;
  --ink: #1c1c1e;
  --paper: #fdfbf7;
  --card: #ffffff;
  --line: #e8e2d8;
  --muted: #6b6b6b;
  --accent: #0a5f38;
  --locked: #9a9a9a;
  --radius: 14px;
  --max: 980px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}
a { color: var(--red-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site-header {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
  padding: 18px 20px;
}
header.site-header .wrap {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
header.site-header .brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
header.site-header nav a {
  color: #fff;
  opacity: 0.92;
  margin-left: 16px;
  font-weight: 600;
  font-size: 0.92rem;
}
header.site-header nav a:hover { opacity: 1; text-decoration: underline; }
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 80px;
}
.hero {
  text-align: center;
  padding: 40px 10px 30px;
}
.hero h1 {
  font-size: 2.3rem;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.hero p {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 28px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card.live { border-top: 4px solid var(--accent); }
.card.locked { opacity: 0.6; }
.card:hover.live { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.badge.live { background: #e6f4ec; color: var(--accent); }
.badge.soon { background: #f0f0f0; color: var(--locked); }
.roadmap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin: 20px 0 40px;
}
.roadmap .phase {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.82rem;
  background: var(--card);
}
.roadmap .phase.live { border-color: var(--accent); background: #f3faf6; }
.roadmap .phase .lvl { color: var(--muted); font-size: 0.75rem; }
.word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.word-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.word-card .pl { font-weight: 700; font-size: 1.05rem; }
.word-card .phon { color: var(--red-dark); font-size: 0.88rem; font-style: italic; }
.word-card .en { color: var(--muted); font-size: 0.82rem; }
button.play {
  border: none;
  background: var(--red);
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
button.play:hover { background: var(--red-dark); }
button.play.playing { background: var(--accent); }
.topic-emoji { font-size: 1.6rem; }
.section-title {
  font-size: 1.4rem;
  margin: 40px 0 6px;
  border-bottom: 2px solid var(--line);
  padding-bottom: 8px;
}
.topic-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 30px;
}
.topic-nav a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--card);
}
.topic-nav a:hover { border-color: var(--red); text-decoration: none; }
.phon-section h2 { font-size: 1.1rem; color: var(--red-dark); margin: 30px 0 10px; }
footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 30px 20px;
  border-top: 1px solid var(--line);
}
.week-block {
  margin: 30px 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.week-block h2 { margin-top: 0; }