/* ==========================================================================
   POWER — TRANSMISSION & DISTRIBUTION (power-transmission-distribution/)
   Loaded only on that page, after business-pages.css. Uses the site tokens so
   both themes work; motion is switched off under prefers-reduced-motion.
   ========================================================================== */
.power-page .pw-copy { margin-top:1rem; font-size:1.02rem; line-height:1.85; color:var(--rg-text-dim); }

/* Overview chips + stat ribbon -------------------------------------------- */
.pw-chips { display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.6rem; }
.pw-chip { display:inline-flex; align-items:center; gap:.55rem; padding:.5rem .95rem; border:1px solid var(--rg-border-strong); border-radius:100px; background:var(--rg-charcoal-2); font-size:.8rem; font-weight:600; color:var(--rg-white); }
.pw-chip i { color:var(--rg-gold-light); }
.pw-stats { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:1px; margin-top:3.5rem; border:1px solid var(--rg-border); border-radius:var(--radius-md); background:var(--rg-border); overflow:hidden; }
.pw-stat { position:relative; padding:1.8rem 1rem; background:var(--rg-charcoal-2); text-align:center; overflow:hidden; }
.pw-stat .num { font-family:var(--font-display); font-size:clamp(1.7rem,2.5vw,2.4rem); font-weight:700; line-height:1; letter-spacing:-.03em; color:var(--rg-white); }
.pw-stat .label { margin-top:.65rem; font-size:.76rem; line-height:1.45; color:var(--rg-text-dim); }

/* Cursor spotlight (set by js/power.js) */
.pw-spot { position:relative; }
.pw-spot::before { content:""; position:absolute; inset:0; z-index:0; border-radius:inherit; pointer-events:none; opacity:0; transition:opacity .35s; background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%), rgba(0,174,239,.17), transparent 62%); }
.pw-spot:hover::before { opacity:1; }
.pw-spot > * { position:relative; z-index:1; }

/* Transmission-line divider: a pulse of current runs along the conductors */
.pw-lines { padding:0; line-height:0; color:var(--rg-text-dim); background:var(--rg-bg-alt); overflow:hidden; }
.pw-lines svg { display:block; width:100%; height:auto; max-height:150px; }
.pw-tower { stroke:currentColor; stroke-width:2; opacity:.5; }
.pw-wire path { stroke:currentColor; stroke-width:1.4; opacity:.55; }
.pw-pulse path { stroke:var(--rg-cyan); stroke-width:2.4; stroke-linecap:round; stroke-dasharray:70 1500; stroke-dashoffset:70; filter:drop-shadow(0 0 5px var(--rg-cyan)); animation:pwPulse 5.5s linear infinite; }
.pw-pulse path:nth-child(2) { stroke:var(--rg-gold-light); filter:drop-shadow(0 0 5px var(--rg-gold)); animation-duration:6.8s; animation-delay:-2.4s; }
@keyframes pwPulse { to { stroke-dashoffset:-1570; } }

/* Services: sliding-thumb tabs + animated panels ---------------------------- */
.svc { display:grid; grid-template-columns:minmax(0,.78fr) minmax(0,1.62fr); gap:clamp(1.5rem,3.5vw,3rem); margin-top:2.75rem; align-items:start; }
.svc-tabs { position:relative; display:grid; gap:.55rem; top:0; }
.svc-thumb { display:none; position:absolute; left:0; top:0; z-index:0; width:100%; height:0; border-radius:var(--radius-md); background:var(--rg-gradient-brand); box-shadow:0 12px 34px rgba(0,174,239,.28); transition:transform .5s var(--ease-out), width .5s var(--ease-out), height .5s var(--ease-out); }
.svc-tab { position:relative; z-index:1; display:flex; align-items:center; gap:1rem; width:100%; padding:1rem 1.1rem; border:1px solid var(--rg-border); border-radius:var(--radius-md); background:var(--rg-charcoal-2); color:var(--rg-text-dim); font:inherit; text-align:left; cursor:pointer; transition:border-color .3s, color .3s, background .3s; }
.svc-tab:hover { border-color:rgba(0,174,239,.5); }
.svc-tab:focus-visible { outline:2px solid var(--rg-cyan); outline-offset:2px; }
.svc-tab .no { flex:none; font-family:var(--font-display); font-size:.75rem; font-weight:700; letter-spacing:.14em; color:var(--rg-gold-light); transition:color .3s; }
.svc-tab strong { display:block; font-size:1rem; color:var(--rg-white); transition:color .3s; }
.svc-tab small { display:block; margin-top:.15rem; font-size:.76rem; }
.svc-tab > i { margin-left:auto; font-size:.8rem; opacity:.4; transition:transform .3s, opacity .3s; }
.svc.js-tabs .svc-thumb { display:block; }
.svc.js-tabs .svc-tab.is-active { border-color:transparent; background:transparent; color:rgba(255,255,255,.85); }
.svc.js-tabs .svc-tab.is-active .no, .svc.js-tabs .svc-tab.is-active strong { color:#fff; }
.svc.js-tabs .svc-tab.is-active > i { opacity:1; transform:translateX(3px); color:#fff; }

.svc-panels { min-width:0; display:grid; gap:1.5rem; }
.svc-panel { overflow:hidden; border:1px solid var(--rg-border); border-radius:var(--radius-lg); background:var(--rg-charcoal-2); }
.svc.js-tabs .svc-panel[hidden] { display:none; }
.svc.js-tabs .svc-panel.is-active { animation:pwPanelIn .65s var(--ease-out); }
.svc-media { position:relative; aspect-ratio:16/9; overflow:hidden; background:var(--rg-charcoal-3); }
.svc-media img { width:100%; height:100%; object-fit:cover; object-position:center 35%; transform:scale(1.07); transition:transform 1.6s var(--ease-out); }
.svc.js-tabs .svc-panel.is-active .svc-media img { transform:scale(1); }
.svc-media::after { content:""; position:absolute; inset:auto 0 0 0; height:45%; background:linear-gradient(to top, rgba(3,7,19,.72), transparent); pointer-events:none; }
.svc-badge { position:absolute; left:1.1rem; bottom:1.1rem; z-index:2; display:inline-flex; align-items:center; gap:.55rem; padding:.5rem .95rem; border-radius:100px; background:rgba(3,7,19,.62); border:1px solid rgba(255,255,255,.22); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); font-size:.8rem; font-weight:600; color:#fff; }
.svc-badge i { color:var(--rg-gold-light); }
.svc-body { padding:clamp(1.4rem,2.6vw,2.2rem); }
.svc-body h3 { margin-bottom:.9rem; font-size:clamp(1.4rem,2.2vw,1.9rem); }
.svc-body p { margin-top:.85rem; line-height:1.8; color:var(--rg-text-dim); }
.svc-scope { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.4rem; }
.svc-scope li { padding:.4rem .85rem; border:1px solid var(--rg-border-strong); border-radius:100px; font-size:.78rem; color:var(--rg-text-dim); }
.svc.js-tabs .svc-panel.is-active .svc-scope li { animation:pwChip .5s var(--ease-out) both; animation-delay:calc(var(--i,0) * 32ms + 260ms); }
.svc:not(.js-tabs) .svc-tabs { display:none; }
.svc:not(.js-tabs) { grid-template-columns:1fr; }
@keyframes pwPanelIn { from { opacity:0; transform:translateY(22px); } to { opacity:1; transform:none; } }
@keyframes pwChip { from { opacity:0; transform:translateY(10px) scale(.94); } to { opacity:1; transform:none; } }

/* Process: the line energises as it scrolls into view ------------------------ */
.pw-steps { position:relative; display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:1.25rem; margin-top:3.5rem; }
.pw-track { position:absolute; left:10%; right:10%; top:28px; height:3px; border-radius:3px; background:var(--rg-border-strong); overflow:hidden; list-style:none; }
.pw-track-fill { position:absolute; inset:0; transform:scaleX(0); transform-origin:left center; background:linear-gradient(90deg,var(--rg-cyan),var(--rg-gold-light)); box-shadow:0 0 16px rgba(0,174,239,.75); }
.pw-step { position:relative; text-align:center; padding:0 .3rem; }
.pw-node { position:relative; z-index:1; display:grid; place-items:center; width:58px; height:58px; margin:0 auto 1.1rem; border:2px solid var(--rg-border-strong); border-radius:50%; background:var(--rg-charcoal-2); color:var(--rg-text-dim); font-size:1.2rem; transition:background .5s var(--ease-out), color .5s, border-color .5s, box-shadow .5s, transform .5s var(--ease-out); }
.pw-step.is-lit .pw-node { border-color:transparent; background:var(--rg-gradient-brand); color:#fff; transform:scale(1.08); box-shadow:0 0 0 6px rgba(0,174,239,.14), 0 0 30px rgba(0,174,239,.55); }
.pw-step:last-child.is-lit .pw-node { animation:pwGlow 2.4s ease-in-out infinite; }
.pw-step h3 { margin-bottom:.4rem; font-size:1.05rem; }
.pw-step p { font-size:.85rem; line-height:1.65; color:var(--rg-text-dim); }
@keyframes pwGlow { 50% { box-shadow:0 0 0 10px rgba(201,162,75,.16), 0 0 44px rgba(230,201,131,.7); } }

/* Achievements ------------------------------------------------------------- */
.pw-ach { display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:1.25rem; margin-top:2.5rem; }
.pw-award { position:relative; isolation:isolate; overflow:hidden; display:flex; flex-direction:column; justify-content:center; padding:clamp(1.8rem,3vw,2.6rem); border-radius:var(--radius-lg); }
.pw-award::before { content:""; position:absolute; z-index:-2; left:50%; top:50%; width:220%; aspect-ratio:1; translate:-50% -50%; background:conic-gradient(from 0deg, transparent 0 68%, var(--rg-gold) 84%, transparent 100%); animation:pwSpin 8s linear infinite; }
.pw-award::after { content:""; position:absolute; z-index:-1; inset:2px; border-radius:calc(var(--radius-lg) - 2px); background:linear-gradient(160deg, rgba(201,162,75,.12), transparent 60%), var(--rg-charcoal-2); }
.pw-award-ico { display:grid; place-items:center; width:3.6rem; height:3.6rem; margin-bottom:1.3rem; border-radius:50%; background:rgba(201,162,75,.16); color:var(--rg-gold-light); font-size:1.5rem; }
.pw-award .kicker { font-size:.78rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--rg-text-dim); }
.pw-award h3 { margin:.35rem 0; font-size:clamp(1.5rem,2.4vw,2.1rem); color:var(--rg-white); }
.pw-award .for { font-size:1rem; font-weight:600; color:var(--rg-gold-light); }
.pw-metric { display:flex; flex-direction:column; justify-content:center; gap:.4rem; padding:1.8rem 1.5rem; border:1px solid var(--rg-border); border-radius:var(--radius-lg); background:var(--rg-charcoal-2); text-align:center; overflow:hidden; }
.pw-metric-ico { display:inline-grid; place-items:center; width:3rem; height:3rem; margin:0 auto .4rem; border-radius:50%; background:rgba(0,174,239,.12); color:var(--rg-cyan-light); font-size:1.15rem; }
.pw-metric .num { font-family:var(--font-display); font-size:clamp(2.4rem,4.4vw,3.8rem); font-weight:700; line-height:1; letter-spacing:-.04em; color:var(--rg-white); }
.pw-metric p { font-size:.88rem; line-height:1.6; color:var(--rg-text-dim); }
@keyframes pwSpin { to { rotate:360deg; } }

/* Projects: paper stack that fans out on hover ---------------------------- */
.pw-docs { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.25rem; margin-top:2.5rem; }
.pw-doc { display:flex; align-items:center; gap:1.6rem; width:100%; padding:1.7rem; border:1px solid var(--rg-border); border-radius:var(--radius-lg); background:var(--rg-charcoal-2); color:inherit; font:inherit; text-align:left; cursor:pointer; overflow:hidden; transition:translate .3s var(--ease-out), border-color .3s; }
.pw-doc:hover { translate:0 -6px; border-color:rgba(0,174,239,.55); }
.pw-doc:focus-visible { outline:2px solid var(--rg-cyan); outline-offset:3px; }
.pw-sheets { position:relative; flex:none; width:74px; height:94px; }
.pw-sheets > span { position:absolute; inset:0; border-radius:8px; background:#fff; border:1px solid rgba(0,0,0,.12); box-shadow:0 8px 20px rgba(0,0,0,.28); transition:transform .45s var(--ease-out); }
.pw-sheets > span:nth-child(1) { background:#dbe7f6; transform:rotate(-7deg); }
.pw-sheets > span:nth-child(2) { background:#eef3fa; transform:rotate(4deg); }
.pw-sheets > span:nth-child(3) { display:grid; place-items:center; }
.pw-sheets b { padding:.2rem .5rem; border-radius:4px; background:#d9312b; color:#fff; font-size:.7rem; letter-spacing:.08em; }
.pw-doc:hover .pw-sheets > span:nth-child(1) { transform:rotate(-15deg) translateX(-10px); }
.pw-doc:hover .pw-sheets > span:nth-child(2) { transform:rotate(11deg) translateX(10px); }
.pw-doc-text strong { display:block; font-family:var(--font-display); font-size:clamp(1.15rem,1.8vw,1.5rem); letter-spacing:-.01em; text-transform:uppercase; color:var(--rg-white); }
.pw-doc-text .cta { display:inline-flex; align-items:center; gap:.5rem; margin-top:.7rem; font-size:.78rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--rg-cyan-light); }
.pw-doc:hover .pw-doc-text .cta i { transform:translateY(3px); }
.pw-doc-text .cta i { transition:transform .3s; }

/* Safety ------------------------------------------------------------------- */
.pw-safety { position:relative; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:2rem; align-items:center; padding:clamp(2rem,3.4vw,3rem) clamp(1.5rem,3vw,2.6rem) clamp(1.6rem,3vw,2.4rem); border:1px solid var(--rg-border); border-radius:var(--radius-lg); background:var(--rg-charcoal-2); overflow:hidden; }
.pw-hazard { position:absolute !important; left:0; right:0; top:0; z-index:2 !important; height:9px; background:repeating-linear-gradient(-45deg,#f5c400 0 10px,#15161a 10px 20px); background-size:28.28px 9px; animation:pwHazard 1.4s linear infinite; }
.pw-safety-copy h2 { margin:.4rem 0 .7rem; font-size:clamp(1.6rem,2.8vw,2.4rem); }
.pw-safety-copy p:not(.eyebrow) { max-width:520px; line-height:1.75; color:var(--rg-text-dim); }
.pw-signs { display:flex; gap:1rem; flex-wrap:wrap; justify-content:flex-end; }
.pw-signs li { border-radius:12px; overflow:hidden; background:#fff; box-shadow:0 10px 26px rgba(0,0,0,.18); transition:transform .35s var(--ease-out); }
.pw-signs li:hover { transform:translateY(-6px) rotate(-1.5deg); }
.pw-signs img { display:block; width:150px; height:auto; }
@keyframes pwHazard { to { background-position:28.28px 0; } }

/* Clients ------------------------------------------------------------------ */
.pw-clients { margin-top:2rem; }
.pw-clients .marquee-track { gap:1.25rem; }
.pw-clients .marquee-track img { height:92px; width:auto; padding:.4rem 1rem; border:1px solid var(--rg-border); border-radius:14px; background:#fff; opacity:1; }

.pw-cta-row { display:flex; flex-wrap:wrap; gap:.8rem; margin-top:1.5rem; }
.pw-cta-row .btn { margin-top:0; }

/* Responsive --------------------------------------------------------------- */
@media (max-width:1100px) {
  .pw-stats { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .pw-ach { grid-template-columns:1fr 1fr; }
  .pw-award { grid-column:1 / -1; }
}
@media (max-width:900px) {
  .svc { grid-template-columns:1fr; }
  .svc-tabs { display:flex; gap:.5rem; overflow-x:auto; padding-bottom:.5rem; scroll-snap-type:x proximity; scrollbar-width:none; }
  .svc-tabs::-webkit-scrollbar { display:none; }
  .svc-tab { flex:none; width:auto; scroll-snap-align:center; padding:.75rem 1rem; white-space:nowrap; }
  .svc-tab small, .svc-tab > i { display:none; }
  .svc-thumb { border-radius:var(--radius-md); }
  .pw-safety { grid-template-columns:1fr; }
  .pw-signs { justify-content:flex-start; }
}
@media (max-width:800px) {
  .pw-steps { grid-template-columns:1fr; gap:0; }
  .pw-track { left:28px; right:auto; top:28px; bottom:28px; width:3px; height:auto; }
  .pw-track-fill { transform:scaleY(0); transform-origin:center top; background:linear-gradient(180deg,var(--rg-cyan),var(--rg-gold-light)); }
  .pw-step { display:grid; grid-template-columns:58px minmax(0,1fr); gap:1.1rem; align-items:start; padding:0 0 1.9rem; text-align:left; }
  .pw-step:last-child { padding-bottom:0; }
  .pw-node { margin:0; }
  .pw-step h3 { margin-top:.35rem; }
}
@media (max-width:700px) {
  .pw-stats { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .pw-ach, .pw-docs { grid-template-columns:1fr; }
  .pw-doc { padding:1.3rem; gap:1.2rem; }
  .pw-signs img { width:118px; }
  .pw-clients .marquee-track img { height:76px; }
  .pw-cta-row .btn { width:100%; justify-content:center; }
}

@media (prefers-reduced-motion: reduce) {
  .pw-pulse { display:none; }
  .pw-hazard, .pw-award::before, .pw-step:last-child.is-lit .pw-node { animation:none; }
  .svc.js-tabs .svc-panel.is-active, .svc.js-tabs .svc-panel.is-active .svc-scope li { animation:none; }
  .svc-thumb, .svc-media img, .pw-node { transition:none; }
}