/* ── How It Works — Orbital Animation ── */
.hiw-wrap{width:100%;padding:0 20px 20px;display:flex;justify-content:center}
.hiw-svg{width:100%;max-width:1200px;height:auto}

/* Stage groups */
.hiw-stage{opacity:0;cursor:pointer;transition:opacity .8s ease,filter .3s,transform .3s}
.hiw-stage.active{opacity:1!important;animation:hiwFadeScale .9s cubic-bezier(.16,1,.3,1) forwards}
.hiw-stage:hover{filter:brightness(1.25) drop-shadow(0 0 16px rgba(255,255,255,.15));transform:scale(1.04)}

/* Connection arrows */
.hiw-conn{stroke-dasharray:1000;stroke-dashoffset:1000}
.hiw-conn.active{animation:hiwDrawLine 1.2s ease forwards}

/* Nucleus badge + bridge */
.hiw-nuc-badge{opacity:0;transition:opacity 1s ease}
.hiw-nuc-badge.active{opacity:1!important;animation:hiwPulseIn 1.2s ease forwards}

/* Orbital ring + feedback group — smooth fade on reveal */
#orbRing{transition:opacity 1.2s ease}
#feedbackGroup{transition:opacity 1.5s ease}

/* Chips */
.hiw-chip{opacity:0}
.hiw-chip.active{animation:hiwChipIn .5s ease forwards}

@keyframes hiwFadeScale{
  0%{opacity:0;transform:scale(.88) translateY(8px)}
  60%{opacity:1;transform:scale(1.03) translateY(-2px)}
  100%{opacity:1;transform:scale(1) translateY(0)}
}
@keyframes hiwDrawLine{to{stroke-dashoffset:0}}
@keyframes hiwChipIn{to{opacity:1}}
@keyframes hiwPulseIn{
  0%{opacity:0;transform:scale(.9)}
  50%{opacity:1;transform:scale(1.05)}
  100%{opacity:1;transform:scale(1)}
}

/* ── Detail overlay ── */
.hiw-overlay{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s ease}
.hiw-overlay.open{opacity:1;pointer-events:auto}
.hiw-overlay-bg{position:absolute;inset:0;background:rgba(4,6,14,.94);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.hiw-overlay-card{position:relative;z-index:1;max-width:620px;width:92%;text-align:center;padding:48px 36px;transform:scale(.92) translateY(16px);opacity:0;transition:transform .5s cubic-bezier(.16,1,.3,1),opacity .4s ease}
.hiw-overlay.open .hiw-overlay-card{transform:scale(1) translateY(0);opacity:1}

.hiw-bg-glow{position:absolute;top:50%;left:50%;width:420px;height:420px;border-radius:50%;transform:translate(-50%,-50%);filter:blur(100px);opacity:.16;z-index:-1}
.hiw-o-icon{font-size:4.2rem;display:block;margin-bottom:14px;animation:hiwBreathe 3s ease infinite}
@keyframes hiwBreathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.hiw-o-label{font-size:.78rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:8px}
.hiw-overlay-card h2{font-size:2rem;font-weight:800;margin-bottom:12px;line-height:1.15;color:#fff}
.hiw-overlay-card p{font-size:1rem;color:#94a3b8;line-height:1.6;max-width:480px;margin:0 auto 22px}

.hiw-overlay-chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.hiw-o-chip{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:7px 14px;font-size:.8rem;color:#cbd5e1;opacity:0;transform:translateY(8px)}
.hiw-overlay.open .hiw-o-chip{opacity:1;transform:translateY(0)}
.hiw-overlay.open .hiw-o-chip:nth-child(1){transition:all .3s ease .2s}
.hiw-overlay.open .hiw-o-chip:nth-child(2){transition:all .3s ease .3s}
.hiw-overlay.open .hiw-o-chip:nth-child(3){transition:all .3s ease .4s}
.hiw-overlay.open .hiw-o-chip:nth-child(4){transition:all .3s ease .5s}
.hiw-overlay.open .hiw-o-chip:nth-child(5){transition:all .3s ease .6s}

.hiw-overlay-close{position:absolute;top:18px;right:18px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#94a3b8;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:2}
.hiw-overlay-close:hover{background:rgba(255,255,255,.15);color:#fff}

/* Overlay color variants */
.hiw-overlay[data-color="blue"] .hiw-o-label,.hiw-overlay[data-color="blue"] h2{color:#60a5fa!important}
.hiw-overlay[data-color="blue"] .hiw-bg-glow{background:#3b82f6}
.hiw-overlay[data-color="pink"] .hiw-o-label,.hiw-overlay[data-color="pink"] h2{color:#f472b6!important}
.hiw-overlay[data-color="pink"] .hiw-bg-glow{background:#ec4899}
.hiw-overlay[data-color="red"] .hiw-o-label,.hiw-overlay[data-color="red"] h2{color:#f87171!important}
.hiw-overlay[data-color="red"] .hiw-bg-glow{background:#ef4444}
.hiw-overlay[data-color="gold"] .hiw-o-label,.hiw-overlay[data-color="gold"] h2{color:#fbbf24!important}
.hiw-overlay[data-color="gold"] .hiw-bg-glow{background:#f59e0b}
.hiw-overlay[data-color="green"] .hiw-o-label,.hiw-overlay[data-color="green"] h2{color:#34d399!important}
.hiw-overlay[data-color="green"] .hiw-bg-glow{background:#10b981}
.hiw-overlay[data-color="purple"] .hiw-o-label,.hiw-overlay[data-color="purple"] h2{color:#a78bfa!important}
.hiw-overlay[data-color="purple"] .hiw-bg-glow{background:#8b5cf6}
.hiw-overlay[data-color="amber"] .hiw-o-label,.hiw-overlay[data-color="amber"] h2{color:#fbbf24!important}
.hiw-overlay[data-color="amber"] .hiw-bg-glow{background:#d97706}
.hiw-overlay[data-color="cyan"] .hiw-o-label,.hiw-overlay[data-color="cyan"] h2{color:#22d3ee!important}
.hiw-overlay[data-color="cyan"] .hiw-bg-glow{background:#06b6d4}