/* ============================================================
   KeepGate · energy.css
   Tre blocchi da affiancare a styles.css (caricarlo dopo).
   1) .sitemap    planimetria viva nell'hero
   2) .engine     flusso animato del motore dei permessi
   3) .offline    sezione scura con simulazione caduta rete
   ============================================================ */

/* ---------- 1. HERO · planimetria viva ---------- */
.sitemap{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-2);overflow:hidden}
.sitemap-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line-soft);background:var(--panel-2)}
.sitemap-head .t{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-2)}
.sitemap-head .live{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--granted);display:flex;align-items:center;gap:6px}
.sitemap-head .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--granted);animation:blink 2s infinite}
.sitemap-head .inside{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.sitemap-head .inside b{font-family:var(--font-display);font-size:15px;color:var(--ink);font-weight:800;line-height:1;min-width:1.4ch;text-align:right}

.plan{display:block;width:100%;height:auto;background:var(--panel-3)}
.plan .room{fill:#F3F1EB;stroke:var(--line);stroke-width:1.2}
.plan .room.ext{fill:#ECE9E1}
.plan .wall{stroke:var(--ink-2);stroke-width:2.2;stroke-linecap:square;fill:none}
.plan .label{font-family:var(--font-mono);font-size:10.5px;fill:var(--ink-3)}
.plan .label.big{font-family:var(--font-display);font-size:12.5px;font-weight:700;fill:var(--ink-2)}
.plan .reader{fill:var(--panel);stroke:var(--ink-3);stroke-width:1.2}
.plan .door{stroke:var(--idle);stroke-width:5;stroke-linecap:round;transition:stroke .25s}
.plan .door-ring{fill:none;stroke:var(--granted);stroke-width:2;opacity:0;transform-origin:center;transform-box:fill-box}
.plan .gate.granted .door{stroke:var(--granted)}
.plan .gate.denied .door{stroke:var(--denied)}
.plan .gate.check .door{stroke:var(--brand)}
.plan .gate.granted .door-ring{animation:ring 1.1s ease-out}
.plan .gate.denied .door-ring{stroke:var(--denied);animation:ring 1.1s ease-out}
.plan .dot{fill:var(--brand);stroke:var(--panel);stroke-width:2}
.plan .dot.ghost{fill:var(--ink-3)}
.plan .dot.stay{fill:var(--granted)}
.plan .tag{font-family:var(--font-mono);font-size:10px;fill:var(--panel);font-weight:500}
.plan .tagbox{rx:3;fill:var(--brand)}
.plan .tagbox.d{fill:var(--denied)}
.plan .tagbox.g{fill:var(--granted)}
.plan .pulse{fill:none;stroke:var(--brand);stroke-width:1.5;opacity:0}
.plan .trail{fill:none;stroke:var(--brand);stroke-width:1.5;stroke-dasharray:3 5;opacity:.0;transition:opacity .3s}
.plan .trail.on{opacity:.55}
@keyframes ring{0%{opacity:.9;transform:scale(.6)}100%{opacity:0;transform:scale(2.4)}}

.feed{border-top:1px solid var(--line-soft);background:var(--panel-3);padding:10px 16px 12px}
.feed-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.feed-h span{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);letter-spacing:.03em}
.feed ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;height:66px;overflow:hidden}
.feed li{display:flex;gap:10px;align-items:baseline;font-family:var(--font-mono);font-size:12px;line-height:1.4}
.feed li .ts{color:var(--ink-3);flex:none}
.feed li .ev{color:var(--ink-2);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.feed li .vr{flex:none;font-weight:600}
.feed li .vr.g{color:var(--granted)}
.feed li .vr.d{color:var(--denied)}
.feed li .vr.a{color:var(--alert)}
.feed li.enter{animation:slidein .45s ease}
.feed .pause{font:12px var(--font-body);color:var(--brand);background:none;border:0;cursor:pointer;padding:0;font-weight:600}
.feed .pause:hover{text-decoration:underline}

/* ---------- 2. COME FUNZIONA · motore animato ---------- */
.engine{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-1);padding:clamp(18px,3vw,30px) clamp(14px,3vw,30px)}
.engine svg{display:block;width:100%;height:auto;overflow:visible}
.engine .rail{fill:none;stroke:var(--line);stroke-width:2}
.engine .rail.lit{stroke:var(--brand);stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset 1.2s ease}
.engine.seen .rail.lit{stroke-dashoffset:0}
.engine .rail.g{stroke:var(--granted)}
.engine .rail.d{stroke:var(--denied)}
.engine .rail.g,.engine .rail.d{opacity:.25;transition:opacity .3s}
.engine .rail.g.on,.engine .rail.d.on{opacity:1}
.engine .box{fill:var(--panel-3);stroke:var(--line);stroke-width:1.2}
.engine .core{fill:var(--brand-wash);stroke:var(--brand-soft);stroke-width:1.2}
.engine .lbl{font-family:var(--font-display);font-weight:700;font-size:14px;fill:var(--ink)}
.engine .sub{font-family:var(--font-mono);font-size:10.5px;fill:var(--ink-3)}
.engine .chk{font-family:var(--font-mono);font-size:11px;fill:var(--ink-3)}
.engine .chk-dot{fill:var(--line);transition:fill .2s}
.engine .chk.on{fill:var(--brand);font-weight:600}
.engine .chk.on+.chk-dot,.engine .chk-dot.on{fill:var(--brand)}
.engine .chk-dot.bad{fill:var(--denied)}
.engine .chk.bad{fill:var(--denied);font-weight:600}
.engine .token{filter:drop-shadow(0 2px 4px rgba(19,94,171,.35))}
.engine .token rect{fill:var(--brand);stroke:#fff;stroke-width:1.5}
.engine .token.app rect{rx:5;fill:var(--brand-dark)}
.engine .token text{font-family:var(--font-mono);font-size:9px;fill:#fff;font-weight:600}
.engine .out{font-family:var(--font-display);font-weight:800;font-size:15px}
.engine .out.g{fill:var(--granted)}
.engine .out.d{fill:var(--denied)}
.engine .outbox{stroke-width:1.2;opacity:.45;transition:opacity .3s}
.engine .outbox.g{fill:var(--granted-wash);stroke:var(--granted)}
.engine .outbox.d{fill:var(--denied-wash);stroke:var(--denied)}
.engine .outbox.on{opacity:1}
.engine .note{font-family:var(--font-mono);font-size:11px;fill:var(--ink-2)}
.engine .glow{fill:var(--brand);opacity:0}
.engine .glow.on{animation:glowpulse .9s ease-out}
@keyframes glowpulse{0%{opacity:.25;r:40}100%{opacity:0;r:95}}
.engine-cap{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px;font-family:var(--font-mono);font-size:12px;color:var(--ink-3)}
.engine-cap b{color:var(--ink-2);font-weight:600}
.engine-cap .sw{display:inline-block;width:10px;height:10px;border-radius:3px;vertical-align:-1px;margin-right:6px}

/* ---------- 3. OFFLINE · sezione scura ---------- */
.offline{background:#0E2A4A;color:#E8EEF5;border-block:1px solid #16395F;position:relative;overflow:hidden}
.offline::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 400px at 85% 20%,rgba(19,94,171,.35),transparent 60%),
  repeating-linear-gradient(0deg,transparent 0 39px,rgba(255,255,255,.035) 39px 40px),
  repeating-linear-gradient(90deg,transparent 0 39px,rgba(255,255,255,.035) 39px 40px);pointer-events:none}
.offline .wrap{position:relative}
.offline-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.offline .eyebrow{color:#8FB8E6}
.offline h2{color:#fff;font-size:clamp(30px,4vw,46px)}
.offline .lede{color:#B9C8D9;margin-top:18px}
.offline .bigno{font-family:var(--font-display);font-weight:900;font-size:clamp(64px,9vw,120px);line-height:.9;letter-spacing:-.03em;color:#fff;margin-bottom:14px}
.offline .bigno small{display:block;font-family:var(--font-mono);font-weight:500;font-size:13px;letter-spacing:.02em;color:#8FB8E6;margin-top:10px}
.offline .btn-light{background:#fff;color:#0E2A4A;border-color:#fff}
.offline .btn-light:hover{background:#DCE8F5;border-color:#DCE8F5;text-decoration:none}
.offline .btn-light[aria-pressed="true"]{background:var(--denied);border-color:var(--denied);color:#fff}
.offline .cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px}
.offline .cta-row a{color:#8FB8E6;font-size:14px}
.netsim{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px}
.netsim svg{display:block;width:100%;height:auto;overflow:visible}
.netsim .nd{fill:#14355B;stroke:#2F5F93;stroke-width:1.2}
.netsim .nd.down{stroke:var(--denied);stroke-dasharray:4 3}
.netsim .nl{font-family:var(--font-display);font-size:13px;font-weight:700;fill:#fff}
.netsim .ns{font-family:var(--font-mono);font-size:10.5px;fill:#8FB8E6}
.netsim .ns.bad{fill:#F08C84}
.netsim .ns.ok{fill:#7ED39B}
.netsim .wire{fill:none;stroke:#3C74B0;stroke-width:2;stroke-dasharray:6 6;animation:flowdash 1s linear infinite}
.netsim .wire.cut{stroke:var(--denied);animation:none;stroke-dasharray:2 7;opacity:.6}
.netsim .wire.solid{stroke:#7ED39B;stroke-dasharray:none;animation:none}
.netsim .ico{fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.netsim .doorbar{stroke:#5E7A99;stroke-width:6;stroke-linecap:round;transform-box:view-box;transition:stroke .25s}
.netsim .doorbar.open{stroke:#7ED39B;animation:swing 1.3s ease-in-out}
.netsim .scissors{opacity:0;transition:opacity .25s}
.netsim .scissors.on{opacity:1}
.netsim .state{font-family:var(--font-mono);font-size:11px;fill:#B9C8D9}
.netsim .badge{fill:#1F4C7E;stroke:#3C74B0;stroke-width:1}
.netsim .badge.ok{fill:rgba(46,142,84,.25);stroke:#7ED39B}
.netsim .badge.bad{fill:rgba(203,56,47,.25);stroke:#F08C84}
.netsim .bt{font-family:var(--font-mono);font-size:10.5px;fill:#fff;font-weight:600}
@keyframes flowdash{to{stroke-dashoffset:-12}}
@keyframes swing{0%{transform:rotate(0)}30%{transform:rotate(-55deg)}70%{transform:rotate(-55deg)}100%{transform:rotate(0)}}
.netsim-log{margin-top:12px;font-family:var(--font-mono);font-size:12px;color:#B9C8D9;display:flex;flex-direction:column;gap:5px;min-height:3.6em}
.netsim-log .g{color:#7ED39B;font-weight:600}
.netsim-log .d{color:#F08C84;font-weight:600}
.netsim-log .a{color:#F2B35B;font-weight:600}

@media(max-width:860px){.offline-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){
  .plan .door-ring,.engine .glow,.netsim .wire,.netsim .doorbar.open,.sitemap-head .live::before{animation:none!important}
  .engine .rail.lit{stroke-dashoffset:0;transition:none}
}

/* ============================================================
   4. HOME · fascia "fatti" con micro illustrazioni
   ============================================================ */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fact{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;min-height:190px}
.fact svg{display:block;width:100%;height:64px;overflow:visible}
.fact .fv{font-family:var(--font-display);font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;line-height:1.05;color:var(--ink)}
.fact .fl{font-size:13.5px;color:var(--ink-2);line-height:1.35}
.fact .ln{fill:none;stroke:var(--line);stroke-width:1.5}
.fact .ln.b{stroke:var(--brand)}
.fact .nd{fill:var(--panel-2);stroke:var(--line)}
.fact .nd.b{fill:var(--brand-wash);stroke:var(--brand-soft)}
.fact .core{fill:var(--brand)}
.fact .draw{stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.1s ease .15s}
.facts.seen .draw{stroke-dashoffset:0}
.fact .pop{transform:scale(.6);opacity:0;transform-origin:center;transform-box:fill-box;transition:transform .45s cubic-bezier(.2,.9,.3,1.3),opacity .3s}
.facts.seen .pop{transform:scale(1);opacity:1}
.facts.seen .pop:nth-child(2){transition-delay:.15s}
.facts.seen .pop:nth-child(3){transition-delay:.3s}
.facts.seen .pop:nth-child(4){transition-delay:.45s}
.fact .bar{fill:var(--brand-soft)}
.fact .bar.hi{fill:var(--brand)}
.fact .mo{font-family:var(--font-mono);font-size:9px;fill:var(--ink-3)}
.fact .chip{fill:var(--ink);stroke:none}
.fact .pin{stroke:var(--ink-3);stroke-width:1.5}
.fact .win{fill:var(--panel-3);stroke:var(--line)}
.fact .winbar{fill:var(--panel-2)}
.fact .cur{fill:var(--brand);transition:transform .5s ease .6s}
.facts.seen .cur{transform:translate(28px,10px)}
@media(max-width:900px){.facts{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.facts{grid-template-columns:1fr}}

/* ============================================================
   5. PIATTAFORMA · verifica di accesso diagnostica
   ============================================================ */
.diag{margin-top:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-1);overflow:hidden}
.diag-h{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line-soft);background:var(--panel-2)}
.diag-h .t{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-2)}
.diag-h .tag{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--brand)}
.diag-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:0}
.diag-form{padding:18px 20px;display:grid;gap:14px;border-right:1px solid var(--line-soft)}
.diag-form label{display:grid;gap:6px;font-family:var(--font-mono);font-size:11.5px;color:var(--ink-3)}
.diag-form select,.diag-form input[type=range]{font:14px var(--font-body);width:100%}
.diag-form select{padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-3);color:var(--ink)}
.diag-form .time{display:flex;align-items:center;gap:12px}
.diag-form .time b{font-family:var(--font-display);font-size:22px;font-weight:800;min-width:3.2ch;color:var(--ink)}
.diag-form input[type=range]{accent-color:var(--brand);flex:1}
.diag-form .days{display:inline-flex;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:3px;gap:3px}
.diag-form .days button{font:600 13px var(--font-body);color:var(--ink-2);background:transparent;border:0;border-radius:6px;padding:7px 12px;cursor:pointer}
.diag-form .days button[aria-pressed="true"]{background:var(--panel);color:var(--ink);box-shadow:var(--shadow-1)}
.diag-out{padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.diag-verdict{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:10px;border:1px solid var(--line);background:var(--panel-3);transition:background .25s,border-color .25s}
.diag-verdict .vt{font-family:var(--font-display);font-size:22px;font-weight:800;letter-spacing:-.01em}
.diag-verdict .vs{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-3)}
.diag-verdict.g{background:var(--granted-wash);border-color:var(--granted)}
.diag-verdict.g .vt{color:var(--granted)}
.diag-verdict.d{background:var(--denied-wash);border-color:var(--denied)}
.diag-verdict.d .vt{color:var(--denied)}
.diag-steps{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.diag-steps li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);line-height:1.4;opacity:0;transform:translateX(-6px);animation:stepin .35s ease forwards}
.diag-steps li:nth-child(2){animation-delay:.12s}.diag-steps li:nth-child(3){animation-delay:.24s}.diag-steps li:nth-child(4){animation-delay:.36s}
.diag-steps .k{width:18px;height:18px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--font-mono);font-size:10px;font-weight:600;color:#fff;background:var(--brand);margin-top:1px}
.diag-steps .k.g{background:var(--granted)}.diag-steps .k.d{background:var(--denied)}.diag-steps .k.a{background:var(--alert)}
@keyframes stepin{to{opacity:1;transform:none}}
td.diag-hl{outline:2px solid var(--brand);outline-offset:-2px;background:var(--brand-wash)}
td.diag-hl.g{outline-color:var(--granted);background:var(--granted-wash)}
td.diag-hl.d{outline-color:var(--denied);background:var(--denied-wash)}
@media(max-width:800px){.diag-grid{grid-template-columns:1fr}.diag-form{border-right:0;border-bottom:1px solid var(--line-soft)}}

/* ============================================================
   6. SICUREZZA · link che si brucia + presenze in diretta
   ============================================================ */
.gl-window{height:6px;border-radius:3px;background:var(--panel-2);overflow:hidden;margin-top:2px}
.gl-window i{display:block;height:100%;width:0;background:var(--brand);transition:width 1.4s linear}
.gl-act{display:flex;gap:10px;align-items:center;padding:10px 14px;border-top:1px solid var(--line-soft);background:var(--panel-2)}
.gl-act .btn{padding:8px 12px;font-size:13px}
.gl-act .gs{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-3)}
.guest-link.used .gl-u{text-decoration:line-through;color:var(--ink-3)}
.guest-link.used .gl-burn{color:var(--denied)}
.guest-link.used .gl-burn::before{background:var(--denied)}
.guest-link.used .gl-av{background:var(--ink-3)}
.guest-link .gl-u{transition:color .3s}
.roll li.enter{animation:slidein .45s ease}
.roll li.guest .ra{background:var(--brand);color:#fff;border-color:var(--brand)}
.roll .rc.bump{animation:bump .5s ease}
@keyframes bump{30%{transform:scale(1.18);color:var(--granted)}}

/* ============================================================
   7. APP · apertura dal telefono
   ============================================================ */
.phone-screen .open-btn{transition:background .2s,color .2s,transform .1s}
.phone-screen .open-btn:active{transform:scale(.97)}
.phone-screen .open-btn.opening{background:var(--brand-wash);color:var(--brand)}
.phone-screen .open-btn.open{background:var(--granted);color:#fff;border-color:var(--granted)}
.phone-screen .open-btn .ring{display:none}
.phone-screen .gate-card.expanded.glow{box-shadow:0 0 0 3px var(--granted-wash),0 8px 24px rgba(0,0,0,.06)}
.app-toast{position:absolute;left:12px;right:12px;bottom:72px;background:#15181B;color:#fff;font:12.5px var(--font-body);padding:10px 12px;border-radius:10px;display:flex;gap:8px;align-items:center;opacity:0;transform:translateY(8px);transition:opacity .25s,transform .25s;pointer-events:none;z-index:5}
.app-toast.on{opacity:1;transform:none}
.app-toast b{color:#7ED39B;font-family:var(--font-mono);font-weight:600}
.phone-screen{position:relative}
.app-hint{font-family:var(--font-mono);font-size:12px;color:var(--brand);text-align:center;margin-top:12px}

/* ============================================================
   8. INSTALLATORI · migrazione lettore per lettore
   ============================================================ */
.migra{margin-top:28px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-1);overflow:hidden}
.migra-h{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-soft);background:var(--panel-2);flex-wrap:wrap}
.migra-h .t{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-2)}
.migra-h .st{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--granted);display:flex;align-items:center;gap:6px}
.migra-h .st::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--granted);animation:blink 2s infinite}
.migra-body{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;padding:20px;align-items:stretch}
.migra-col{border:1px dashed var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px;min-height:230px}
.migra-col h4{font-family:var(--font-display);font-size:14px;font-weight:700;margin:0 0 4px;display:flex;justify-content:space-between;align-items:baseline}
.migra-col h4 span{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);font-weight:500}
.migra-col.to{border-color:var(--brand-soft);background:var(--brand-wash)}
.reader{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:13.5px;font-weight:500;transition:transform .5s cubic-bezier(.2,.8,.3,1),opacity .3s}
.reader .ri{width:26px;height:26px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line-soft);display:grid;place-items:center;color:var(--ink-3);flex:none}
.reader .rs{margin-left:auto;font-family:var(--font-mono);font-size:10.5px;color:var(--ink-3)}
.reader.busy{border-color:var(--brand);background:var(--brand-wash)}
.reader.busy .rs{color:var(--brand)}
.reader.done{border-color:var(--granted);}
.reader.done .ri{background:var(--granted-wash);border-color:var(--granted);color:var(--granted)}
.reader.done .rs{color:var(--granted)}
.reader.leaving{transform:translateX(40px);opacity:0}
.reader.arriving{animation:arrive .5s cubic-bezier(.2,.8,.3,1)}
@keyframes arrive{from{transform:translateX(-40px);opacity:0}}
.migra-mid{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-width:150px}
.migra-mid .btn{white-space:nowrap}
.migra-mid .ph{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);text-align:center;max-width:150px;line-height:1.4}
.migra-log{border-top:1px solid var(--line-soft);background:var(--panel-3);padding:10px 16px;font-family:var(--font-mono);font-size:12px;color:var(--ink-2);min-height:40px}
.migra-log .g{color:var(--granted);font-weight:600}.migra-log .b{color:var(--brand);font-weight:600}
@media(max-width:760px){.migra-body{grid-template-columns:1fr}.migra-mid{flex-direction:row;flex-wrap:wrap}}