/* G4-C: interactions + export/AI detail layer */

.v79-hero.cc{overflow:hidden}

/* progress */
.x-progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:60;background:transparent;pointer-events:none}
.x-progress i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#284ee9,#6fe3ff,#ff6744);transition:transform .1s linear}

/* reveal */
.x-js .x-reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.25,1),transform .7s cubic-bezier(.2,.7,.25,1)}
.x-js .x-reveal.is-in{opacity:1;transform:none}

/* ticker: export route */
.x-ticker{margin:0;border-top:1px solid var(--cc-line);border-bottom:1px solid var(--cc-line);background:rgba(6,10,18,.85);overflow:hidden;padding:12px 0}
.x-track{display:flex;align-items:center;gap:22px;width:max-content;font-family:ui-monospace,Consolas,monospace;font-size:9.5px;letter-spacing:.24em;color:#8fb4e8;animation:xtick 44s linear infinite}
.x-track i{color:#ff6744;font-style:normal}
@keyframes xtick{to{transform:translate3d(-50%,0,0)}}
.x-ticker:hover .x-track{animation-play-state:paused}

/* rows / cards: hover polish */
.svc-row{position:relative;transition:background .25s,padding .25s}
.svc-row::before{content:"";position:absolute;left:0;top:0;bottom:-1px;width:2px;background:linear-gradient(180deg,#6fe3ff,#284ee9);transform:scaleY(0);transform-origin:top;transition:transform .3s}
.svc-row:hover{background:rgba(16,30,62,.5);padding-left:16px;padding-right:16px}
.svc-row:hover::before{transform:scaleY(1)}
.x-card{transition:transform .28s,border-color .28s,background .28s}
.x-card:hover{transform:translateY(-4px);border-color:rgba(111,227,255,.45)}
.case-block:hover{background:linear-gradient(170deg,rgba(22,40,78,.85),rgba(8,13,24,.95))}
.ind-matrix li:hover{background:rgba(16,30,62,.45)}

/* depth steps */
.depth-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--cc-line-2)}
.depth-step{padding:26px;border-right:1px solid var(--cc-line);display:flex;flex-direction:column;gap:10px;min-height:230px}
.depth-step:last-child{border-right:0}
.depth-step .mono{color:var(--cc-cyan);font-size:9px;letter-spacing:.16em}
.depth-step h3{font-size:26px;letter-spacing:-.04em;font-weight:900;color:#fff}
.depth-step p{font-size:13px;line-height:1.75;color:#a9b8d6;flex:1}
.depth-step em{font-style:normal;font-size:11px;color:#cfe0ff;border-top:1px solid var(--cc-line);padding-top:10px}

/* learning band */
.v79-band-x{background:linear-gradient(115deg,#1a35b8 0%,#2f5bff 55%,#4a7dff 100%);padding:clamp(56px,8vh,96px) 0;color:#fff;border-top:1px solid var(--cc-line)}
.v79-band-x .v79-line{color:#b9c9ff;border-color:rgba(255,255,255,.25)}
.v79-band-x .v79-line span:first-child{color:#9fe4ff}
.learn-head{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:end;margin:26px 0 30px}
.learn-head h2{font-size:clamp(30px,3.6vw,48px);line-height:1.14;letter-spacing:-.05em;font-weight:900}
.learn-head p{font-size:13px;line-height:1.85;color:#dfe4ff}
.learn-tabs{display:flex;gap:0;border-bottom:1px solid rgba(255,255,255,.28)}
.learn-tab{background:none;border:0;color:#cfd9ff;font-size:13px;font-weight:800;padding:12px 18px;cursor:pointer;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.learn-tab.is-active{color:#fff;border-bottom-color:#ff6744}
.learn-tab:hover{color:#fff}
.learn-panel{display:none;padding:20px 0 0}
.learn-panel.is-active{display:block;animation:xin .35s ease}
@keyframes xin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.learn-panel ul{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.learn-panel li{font-size:12px;color:#eaf0ff;border-top:1px solid rgba(255,255,255,.25);padding-top:10px}
.learn-link{display:inline-block;margin-top:22px;font-size:12px;font-weight:900;color:#fff;border-bottom:2px solid rgba(255,255,255,.45);padding-bottom:4px}

/* toast */
.x-toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#0b1424;border:1px solid rgba(111,227,255,.5);color:#eaf0ff;font-size:12px;padding:12px 18px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:70;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.x-toast.is-on{opacity:1;transform:translate(-50%,0)}

@media (max-width:1100px){
  .depth-steps{grid-template-columns:1fr}
  .depth-step{border-right:0;border-bottom:1px solid var(--cc-line);min-height:0}
  .learn-head{grid-template-columns:1fr;gap:14px}
  .learn-panel ul{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .learn-panel ul{grid-template-columns:1fr}
  .x-track{font-size:8px;gap:14px}
  .svc-row:hover{padding-left:0;padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  .x-reveal{opacity:1;transform:none;transition:none}
  .x-track{animation:none}
  .cc-bg{transform:none!important}
}