/* MOMO6 Engine site · goal bands: bento card grid, metrics, comparison chart */
section.band{padding-top:var(--s-10);scroll-margin-top:calc(var(--nav-h) + var(--mnav-h))}
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--s-4)}
.card{grid-column:span 6;display:flex;flex-direction:column;gap:14px;min-width:0;padding:30px 28px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);transition:transform var(--dur) var(--ease),border-color var(--dur-fast),background var(--dur-fast)}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--surface-2)}
.card.third{grid-column:span 4}
.card.wide,.card.feature{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:var(--s-5) var(--s-7)}
.card.feature{padding:40px 36px 36px;border-radius:var(--r-xl);background:linear-gradient(135deg,rgba(139,123,255,.09),rgba(255,255,255,.02) 42%,rgba(212,255,63,.05))}
.card .side{display:flex;flex-direction:column;gap:14px;min-width:0}
.card.wide .side+.side,.card.feature .side+.side{justify-content:center}
.prob{position:relative;padding-left:18px;font-size:var(--fs-sm);line-height:1.55;color:var(--muted)}
.prob::before{content:"";position:absolute;left:0;top:.5em;width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 10px rgba(255,106,92,.6)}
.card h3{font-size:var(--fs-2xl);font-weight:600;line-height:1.22;letter-spacing:-.025em}
.card.feature h3{font-size:clamp(26px,2.8vw,var(--fs-3xl));letter-spacing:-.035em}
html[lang="zh"] .card h3{line-height:1.4;letter-spacing:0}
.desc{margin:0;font-size:var(--fs-md);color:var(--muted)}
.metrics{display:flex;flex-direction:column;gap:var(--s-5);min-width:0}
.m-top{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:12px}
.m-l{min-width:0;font-size:var(--fs-sm);color:var(--ink-2)}
.m-r{flex:none;font-size:30px;font-weight:600;line-height:1;letter-spacing:-.045em;font-variant-numeric:tabular-nums;color:var(--lime)}
.stat{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.stat .sv{font-size:clamp(44px,4.4vw,60px);font-weight:600;line-height:1;letter-spacing:-.05em;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:3px}
.stat .ss{font-size:var(--fs-sm);color:var(--muted)}
.note{margin:0;padding:12px 14px;border:1px solid rgba(212,255,63,.14);border-radius:var(--r-md);background:rgba(212,255,63,.05);font-size:var(--fs-sm);color:var(--ink-2)}

/* bars grow in when a card is revealed */
.js .card .cmp-base,.js .card .cmp-cur,.js .vachart .cmp-base,.js .vachart .cmp-cur,.js .vachart .vc-bar{transform:scaleX(0);transition:transform 1.3s var(--ease) .15s}
.js .card .cmp-cur,.js .vachart .cmp-cur{transition-delay:.45s}
.js .card .cmp-mark,.js .vachart .cmp-mark{opacity:0;transition:opacity var(--dur) .9s}
.js .card.in .cmp-base,.js .card.in .cmp-cur,.js .vachart.in .cmp-base,.js .vachart.in .cmp-cur,.js .vachart.in .vc-bar{transform:scaleX(1)}
.js .card.in .cmp-mark,.js .vachart.in .cmp-mark{opacity:1}

/* bullet-spawn comparison chart */
.vachart{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);margin-top:var(--s-4);overflow:hidden;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface)}
.vachart .pane{display:flex;flex-direction:column;gap:10px;min-width:0;padding:var(--s-6) 30px}
.vachart .pane+.pane{border-left:1px solid var(--line);background:rgba(255,255,255,.015)}
.vc-h{font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.2;letter-spacing:-.03em}
.vc-rows{display:grid;grid-template-columns:minmax(0,10em) minmax(0,1fr) auto;gap:10px 14px;align-items:center;margin-top:var(--s-4);font-variant-numeric:tabular-nums}
.vc-lab{overflow:hidden;font-size:var(--fs-sm);white-space:nowrap;text-overflow:ellipsis;color:var(--ink-2)}
.vc-track{position:relative;height:18px;background:linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/25% 100%}
.vc-bar{position:absolute;left:0;height:6px;min-width:3px;border-radius:var(--r-pill);transform-origin:0 50%}
.vc-bar.h{top:2px;background:repeating-linear-gradient(-45deg,rgba(255,106,92,.75) 0 3px,rgba(255,106,92,.35) 3px 6px)}
.vc-bar.c{top:10px;background:var(--lime)}
.vc-val{font-family:var(--font-mono);font-size:var(--fs-xs);white-space:nowrap;text-align:right;color:var(--ink-2)}
.vc-val .c{color:var(--lime)}
.vc-axis{position:relative;height:16px;font-family:var(--font-mono);font-size:var(--fs-2xs);color:var(--muted)}
.vc-axis span{position:absolute;transform:translateX(-50%);white-space:nowrap}
.vc-axis span:first-child{transform:none}
.legend{display:flex;flex-wrap:wrap;gap:var(--s-5);font-family:var(--font-mono);font-size:var(--fs-2xs);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{display:inline-block;width:22px;height:6px;border-radius:var(--r-pill)}