/* ── Title screen, difficulty cards ── */

#title-screen{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:100vh;padding:30px;text-align:center;
  overflow-x:hidden;word-break:break-word;
  background:
    radial-gradient(ellipse 60% 40% at 50% -5%, rgba(255,210,140,0.18) 0%, transparent 100%),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(0,0,0,0.06) 60px, rgba(0,0,0,0.06) 62px),
    linear-gradient(180deg, #2a1c1f 0%, #1a1015 100%);
}
#title-screen.paused-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:100;
  min-height:100vh;
  background:rgba(26,16,21,0.7);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
#title-screen h1{
  font-family:'Playfair Display',serif;font-size:clamp(48px,10vw,80px);
  color:#f0e0c0;letter-spacing:6px;margin-bottom:4px;
  text-shadow:3px 3px 0 rgba(0,0,0,0.3);
}
.title-logo{
  width:clamp(200px,85vw,520px);margin-bottom:8px;
  filter:drop-shadow(0 4px 20px rgba(0,0,0,0.5));
}
.logo-svg{width:100%;height:auto}
#title-screen .subtitle{
  font-family:'Caveat',cursive;font-size:clamp(18px,3vw,26px);
  color:#f4c87a;margin-bottom:36px;letter-spacing:2px;
}
.diff-section{margin-bottom:30px}
.diff-section h2{
  font-size:13px;color:rgba(255,255,255,0.5);letter-spacing:4px;
  text-transform:uppercase;margin-bottom:20px;font-weight:600;
}
.diff-cards{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.diff-card{
  background:#fff;border-radius:12px;padding:24px 32px;cursor:pointer;
  transition:all 0.25s;border:3px solid transparent;text-align:center;
  min-width:120px;max-width:200px;flex:1;
}
.diff-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,0,0,0.3)}
.diff-card.c1{border-color:#8ec6a5}
.diff-card.c1:hover{background:#f0faf4}
.diff-card.c2{border-color:#f4c87a}
.diff-card.c2:hover{background:#fffcf0}
.diff-card.c3{border-color:#d44}
.diff-card.c3:hover{background:#fff5f5}
.diff-card.c4{border-color:#a855f7}
.diff-card.c4:hover{background:#faf5ff}
.diff-card.c5{border-color:#333}
.diff-card.c5:hover{background:#f5f5f5}
.diff-card .diff-icon{font-size:32px;margin-bottom:8px}
.diff-card .diff-name{
  font-family:'Playfair Display',serif;font-size:18px;
  color:var(--black);font-weight:700;white-space:nowrap;
}
.diff-card .diff-desc{font-size:12px;color:#888;margin-top:6px;white-space:nowrap}
.how-to{
  color:rgba(255,255,255,0.4);font-size:11px;line-height:2;margin-top:30px;
  max-width:420px;display:none;
}