/* MC Solution — layout: griglia tecnica a 12 colonne, sezioni separate da righe di quota come in una planimetria */
@font-face{font-family:"Archivo";src:url("fonts/archivo.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --bg:#f3f5f7;          /* grigio freddo, dal bulbo del logo */
  --surface:#ffffff;
  --ink:#0f1c26;         /* testo */
  --muted:#525f69;
  --line:#cfd6dc;
  --accent:#0072b0;      /* blu logo scurito per contrasto su testo e pulsanti */
  --accent-ink:#ffffff;
  --brand:#0088d0;       /* blu del logo */
  --brand-light:#29abe2; /* azzurro del logo */
  --signal:#d9480f;      /* REC / punti di allarme, uso minimo */
  --plan:#0088d0;
  --cone:rgba(41,171,226,.16);
  --logo-bg:transparent;--logo-pad:0;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Plex Sans","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --s-1:.8125rem;--s0:1rem;--s1:1.1875rem;--s2:1.5rem;--s3:2rem;--s4:clamp(2.25rem,5vw,3.5rem);
  --wrap:72rem;--gut:clamp(16px,4vw,40px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b141b;--surface:#111d26;--ink:#e7eef3;--muted:#9aabb8;--line:#22333f;--accent:#3db4ea;--accent-ink:#04131c;--brand:#29abe2;--brand-light:#68c0e8;--signal:#ff7a45;--plan:#3db4ea;--cone:rgba(61,180,234,.15);--logo-bg:#ffffff;--logo-pad:4px 8px;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0b141b;--surface:#111d26;--ink:#e7eef3;--muted:#9aabb8;--line:#22333f;--accent:#3db4ea;--accent-ink:#04131c;--brand:#29abe2;--brand-light:#68c0e8;--signal:#ff7a45;--plan:#3db4ea;--cone:rgba(61,180,234,.15);--logo-bg:#ffffff;--logo-pad:4px 8px;color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--s0)/1.6 var(--f-body)}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:.2em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3{font-family:var(--f-display);line-height:1.08;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:var(--s4);font-weight:800}
h2{font-size:var(--s3);font-weight:750}
h3{font-size:var(--s1);font-weight:700;letter-spacing:0}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.label{font:500 var(--s-1)/1.3 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.skip{position:absolute;left:-999px}
.skip:focus{left:var(--gut);top:8px;background:var(--surface);padding:8px 12px;z-index:10}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px}
.brand{display:flex;align-items:flex-end;gap:10px;text-decoration:none;color:var(--ink)}
.brand b{font:800 1.35rem/1 var(--f-display);letter-spacing:-.02em}
.brand img{height:58px;width:auto;background:var(--logo-bg);border-radius:6px;padding:var(--logo-pad)}
.foot .brand img{height:56px}
.brand span{white-space:nowrap;font:400 .72rem/1 var(--f-mono);color:var(--muted);letter-spacing:.05em}
.nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;padding:8px 10px;border-radius:4px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--accent)}
.nav .cta{background:var(--accent);color:var(--accent-ink);margin-left:6px}
.nav .cta:hover{color:var(--accent-ink);filter:brightness(1.08)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);font:500 var(--s-1) var(--f-mono);padding:8px 12px;border-radius:4px;cursor:pointer}
@media (max-width:1120px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px var(--gut) 16px}
  .nav.open{display:flex}
  .nav .cta{margin:8px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;padding:12px 18px;border-radius:4px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink)}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* Hero */
.hero{padding-block:clamp(40px,7vw,88px) clamp(40px,6vw,72px);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero-text{display:grid;gap:22px;min-width:0}
.hero-text .lead{font-size:var(--s1);color:var(--muted);max-width:36em}
.since{display:inline-flex;align-items:center;gap:10px}
.since::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--brand-light),var(--brand))}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.plan svg{width:100%;height:auto}
.osd{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border-top:1px solid var(--line);font:500 .75rem/1.2 var(--f-mono);color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap}
.rec{color:var(--signal)}
.rec::before{content:"●";margin-right:6px;animation:blink 1.6s steps(1) infinite}
@keyframes blink{50%{opacity:.2}}
@media (prefers-reduced-motion:reduce){.rec::before{animation:none}}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

/* Sections */
.sec{padding-block:clamp(48px,7vw,96px);border-bottom:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:16px 48px;margin-bottom:40px;align-items:end}
.sec-head p{color:var(--muted);max-width:40em}
@media (max-width:760px){.sec-head{grid-template-columns:1fr}}

/* Two pillars */
.pillars{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.pillar{padding:clamp(20px,3vw,36px);display:grid;gap:18px;align-content:start;min-width:0}
.pillar+.pillar{border-left:1px solid var(--line)}
.pillar ul{list-style:none;margin:0;padding:0;display:grid}
.pillar li a{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}
.pillar li a:hover b{color:var(--accent)}
.pillar li a span{color:var(--muted);font-size:var(--s-1);grid-column:1}
.pillar li a i{grid-row:1/3;grid-column:2;align-self:center;font-style:normal;color:var(--accent);font-family:var(--f-mono)}
@media (max-width:760px){.pillars{grid-template-columns:1fr}.pillar+.pillar{border-left:0;border-top:1px solid var(--line)}}

/* Grid of points */
.points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.points>div{display:grid;gap:10px;align-content:start;padding-top:16px;border-top:2px solid var(--brand)}
.points p{color:var(--muted)}
@media (max-width:860px){.points{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.points{grid-template-columns:1fr}}

/* Process steps (sequenza reale) */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:4.5rem minmax(0,1fr) minmax(0,1.3fr);gap:8px 24px;padding:22px 0;border-top:1px solid var(--line);counter-increment:s}
.steps li::before{content:"FASE " counter(s);font:500 var(--s-1)/1.6 var(--f-mono);color:var(--accent);letter-spacing:.04em}
.steps p{color:var(--muted)}
@media (max-width:760px){.steps li{grid-template-columns:1fr}}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:540px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:500 var(--s-1)/1.3 var(--f-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
tr:last-child td{border-bottom:0}
td.num{font-family:var(--f-mono);white-space:nowrap}
.note{font-size:var(--s-1);color:var(--muted);margin-top:12px}

/* Page header */
.page-head{padding-block:clamp(40px,6vw,72px) 32px;border-bottom:1px solid var(--line)}
.page-head .wrap{display:grid;gap:18px}
.page-head .lead{font-size:var(--s1);color:var(--muted);max-width:40em}
.crumbs{font:400 var(--s-1)/1 var(--f-mono);color:var(--muted)}
.crumbs a{color:var(--muted)}

/* Prose */
.prose{max-width:42rem;display:grid;gap:18px}
.prose h2{font-size:var(--s2);margin-top:16px}
.prose ul{margin:0;padding-left:1.2em;display:grid;gap:6px}

/* Split (testo + lista) */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px)}
.split>div{display:grid;gap:16px;align-content:start}
.checks{list-style:none;margin:0;padding:0;display:grid}
.checks li{padding:12px 0 12px 28px;border-top:1px solid var(--line);position:relative}
.checks li::before{content:"";position:absolute;left:4px;top:20px;width:10px;height:10px;border:2px solid var(--accent);border-radius:50%}
@media (max-width:760px){.split{grid-template-columns:1fr}}

/* CTA band */
.band{background:var(--ink);color:var(--bg);padding-block:clamp(40px,6vw,72px)}
.band .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px}
.band h2{max-width:22em}
.band p{color:color-mix(in srgb,var(--bg) 75%,var(--ink))}
.band .btn{background:var(--bg);color:var(--ink);border-color:var(--bg)}

/* Form */
form{display:grid;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
label{display:grid;gap:6px;font-weight:500}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:11px 12px;width:100%}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:var(--s-1);color:var(--muted)}
.consent input{width:auto;margin-top:4px}
.hp{position:absolute;left:-5000px}
.form-msg{padding:12px 14px;border-radius:4px;border:1px solid var(--accent);color:var(--ink)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:clamp(20px,3vw,32px)}
.facts{display:grid;gap:0}
.facts div{display:grid;gap:2px;padding:14px 0;border-top:1px solid var(--line)}
.facts div:first-child{border-top:0;padding-top:0}

/* Footer */
.foot{padding-block:48px 32px;font-size:var(--s-1);color:var(--muted)}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h3{font:500 var(--s-1)/1.3 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin-bottom:10px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{color:var(--muted)}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.foot .wrap{grid-template-columns:1fr}}

/* Pannello di gestione dimostrativo */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;align-self:start;min-width:0;font-variant-numeric:tabular-nums}
.panel-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--brand) 7%,var(--surface))}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
.panel-box{background:var(--surface);padding:14px;display:grid;gap:10px;align-content:start;min-width:0}
.panel-box.wide{grid-column:1/-1}
.zones{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.zones li{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:var(--s-1)}
.pill{font:500 .72rem/1 var(--f-mono);padding:5px 8px;border-radius:999px;white-space:nowrap;border:1px solid currentColor}
.pill.ok{color:var(--accent)}
.pill.alert{color:var(--signal);background:color-mix(in srgb,var(--signal) 12%,transparent)}
.pill.off{color:var(--muted)}
.cams{display:grid;gap:8px}
.cam{display:grid;gap:4px;padding:12px;border-radius:4px;font:500 .75rem/1.3 var(--f-mono);color:var(--muted);background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--brand) 6%,var(--surface)) 0 8px,var(--surface) 8px 16px);border:1px solid var(--line)}
.cam span:first-child{color:var(--ink)}
.cam.ev{border-color:var(--signal)}
.cam.mask{position:relative;padding-right:46px}
.cam.mask::after{content:"";position:absolute;right:10px;top:10px;bottom:10px;width:26px;background:var(--ink);opacity:.75;border-radius:2px}
.kv{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:var(--s-1);padding-top:8px;border-top:1px solid var(--line)}
.kv:first-of-type{border-top:0;padding-top:0}
.kv span{color:var(--muted)}
.split>.panel{display:block}
@media (max-width:480px){.panel-grid{grid-template-columns:1fr}}

/* FAQ */
.faq{display:grid;border-top:1px solid var(--line);max-width:52rem}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font:700 var(--s1)/1.3 var(--f-display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--accent);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);padding-bottom:18px;max-width:44em}

/* Testate con illustrazione */
.page-head.has-illo .wrap{grid-template-columns:minmax(0,1.45fr) minmax(0,.75fr);align-items:center;gap:clamp(24px,5vw,64px)}
.ph-text{display:grid;gap:18px;min-width:0}
.illo{margin:0;max-width:100%;justify-self:end;width:100%;max-width:360px}
.illo svg{width:100%;height:auto;max-height:260px}
@media (max-width:760px){.page-head.has-illo .wrap{grid-template-columns:1fr}.illo{justify-self:start;max-width:320px}.illo svg{max-height:220px}}

/* Animazioni leggere delle illustrazioni */
@media (prefers-reduced-motion:no-preference){
  .illo .blink{animation:blink 1.6s steps(1) infinite}
  .illo .float{animation:float 5s ease-in-out infinite}
  .illo .pan{animation:pan 7s ease-in-out infinite}
  .illo .scan{animation:scan 1.4s ease-in-out infinite alternate}
  .illo .flow{animation:flow 1.2s linear infinite}
  .illo .caret{animation:blink 1s steps(1) infinite}
  .illo .waves path{animation:wave 2.4s ease-out infinite;opacity:0}
  .illo .waves path:nth-child(2){animation-delay:.4s}
  .illo .waves path:nth-child(3){animation-delay:.8s}
  .illo .leds circle:nth-child(odd){animation:blink 1.1s steps(1) infinite}
  .illo .leds circle:nth-child(4n){animation:blink 1.7s steps(1) infinite}
  .illo .bars rect{transform-box:fill-box;transform-origin:bottom;animation:grow 1.2s cubic-bezier(.2,.7,.2,1) both}
  .illo .bars rect:nth-child(2){animation-delay:.08s}.illo .bars rect:nth-child(3){animation-delay:.16s}
  .illo .bars rect:nth-child(4){animation-delay:.24s}.illo .bars rect:nth-child(5){animation-delay:.32s}.illo .bars rect:nth-child(6){animation-delay:.4s}
}
@keyframes float{50%{transform:translateY(-6px)}}
@keyframes pan{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(4deg)}}
@keyframes scan{to{stroke-dashoffset:20}}
@keyframes flow{to{stroke-dashoffset:-24}}
@keyframes wave{0%{opacity:0}30%{opacity:1}100%{opacity:0}}
@keyframes grow{from{transform:scaleY(.15)}}