/* ============================================================
   NEXCORE v3 · Cyber-Hardware
   Un solo viola (#7B2CBF). Vetro con bordo luminoso da 1px.
   Tutto ciò che sta sopra il video è leggero da ridisegnare.
   ============================================================ */
/* Famiglia Geist completa (Geist e Geist Mono), servita dal sito: un solo sistema di caratteri, nessuna richiesta a terzi. Solo alfabeto latino ed esteso; i file sono variabili (tutti i pesi in un file) */
@font-face{font-family:'Geist';font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/geist-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:400 500;font-display:swap;src:url(../fonts/geist-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Geist';font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/geist-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:400 500;font-display:swap;src:url(../fonts/geist-mono-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}

:root{
  --canvas:#07060B;
  --panel:#100D17;
  --accent:#7B2CBF;
  --accent-hover:#9B4FDB;
  --accent-muted:#3A1A57;
  --accent-text:#B984F0;
  --text-primary:#EDEAF2;
  --text-secondary:#B8B2C7;
  --line:#2C2539;
  --line-strong:#5B4A75;
  --edge:rgba(185,132,240,.30);       /* bordo luminoso 1px */
  --edge-hi:rgba(185,132,240,.7);
  --ease:cubic-bezier(.22,.7,.2,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --tshadow:0 1px 2px rgba(5,5,10,.9),0 2px 14px rgba(5,5,10,.7),0 6px 40px rgba(5,5,10,.55);
  --f-display:'Geist',system-ui,sans-serif;
  --f-body:'Geist',system-ui,sans-serif;
  --f-mono:'Geist Mono',ui-monospace,monospace;
  --gutter:clamp(20px,5vw,72px);
  --h-s1:700vh; --h-s2:100vh; --h-s3:420vh; --h-s4:520vh;
  --dim:0;
  /* schermi piu' larghi del 16:9 (ultrawide): i contenuti sopra il video si allineano a una scena 16:9 centrata, non ai bordi dello schermo */
  --stage-l:max(0px,calc((100vw - 177.78vh) / 2));
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text-primary);font:400 1.125rem/1.6 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
.mono{font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase;font-size:.8125rem}
.sr,.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
:focus-visible{outline:2px solid var(--accent-hover);outline-offset:3px;border-radius:4px}
.skip{position:fixed;left:12px;top:-60px;z-index:200;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;transition:top .25s var(--ease)}
.skip:focus{top:12px}

/* ---------- Fondo video ---------- */
#vstage{position:fixed;inset:0;z-index:0;background:var(--canvas);overflow:hidden}
.vlayer{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease)}
.vlayer.on{opacity:1}
.vlayer .poster{position:absolute;inset:0;background-size:cover;background-position:center}
/* schermi piu larghi del 16:9: il dispositivo si vede intero (altezza piena), i lati sfumano nel buio */
@media (min-aspect-ratio:16/9){
  .vlayer .poster{background-size:contain;background-repeat:no-repeat}
  .vlayer video,.vlayer .poster{object-fit:contain;-webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
}
.vlayer video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s var(--ease);will-change:transform;transform:translateZ(0)}
.vlayer.ready video{opacity:1}
.vlayer.failed video{display:none}
/* video posizionato dal codice (--vx, --vy, --vw2, --vh2): piu piccolo e piu in basso, i bordi sfumano nel buio */
#vstage.fit .vlayer video,#vstage.fit .vlayer .poster{position:absolute;inset:auto;left:var(--vx);top:var(--vy);width:var(--vw2);height:var(--vh2);object-fit:fill;background-size:100% 100%;background-repeat:no-repeat}
#vedge{position:absolute;left:var(--vx);top:var(--vy);width:var(--vw2);height:var(--vh2);pointer-events:none;display:none;background:linear-gradient(to right,rgba(7,6,11,1) 0%,rgba(7,6,11,0.957) 2.75%,rgba(7,6,11,0.844) 5.5%,rgba(7,6,11,0.684) 8.25%,rgba(7,6,11,0.5) 11%,rgba(7,6,11,0.316) 13.75%,rgba(7,6,11,0.156) 16.5%,rgba(7,6,11,0.043) 19.25%,rgba(7,6,11,0) 22%),linear-gradient(to left,rgba(7,6,11,1) 0%,rgba(7,6,11,0.957) 2.75%,rgba(7,6,11,0.844) 5.5%,rgba(7,6,11,0.684) 8.25%,rgba(7,6,11,0.5) 11%,rgba(7,6,11,0.316) 13.75%,rgba(7,6,11,0.156) 16.5%,rgba(7,6,11,0.043) 19.25%,rgba(7,6,11,0) 22%),linear-gradient(to bottom,rgba(7,6,11,1) 0%,rgba(7,6,11,0.957) 4.25%,rgba(7,6,11,0.844) 8.5%,rgba(7,6,11,0.684) 12.75%,rgba(7,6,11,0.5) 17%,rgba(7,6,11,0.316) 21.25%,rgba(7,6,11,0.156) 25.5%,rgba(7,6,11,0.043) 29.75%,rgba(7,6,11,0) 34%),linear-gradient(to top,rgba(7,6,11,1) 0%,rgba(7,6,11,0.957) 3.25%,rgba(7,6,11,0.844) 6.5%,rgba(7,6,11,0.684) 9.75%,rgba(7,6,11,0.5) 13%,rgba(7,6,11,0.316) 16.25%,rgba(7,6,11,0.156) 19.5%,rgba(7,6,11,0.043) 22.75%,rgba(7,6,11,0) 26%)}
#vstage.fit #vedge{display:block}
#vstage.fit .vlayer video,#vstage.fit .vlayer .poster,#vstage.fit #vedge{transform:translate3d(0,var(--vdy,0px),0)}
/* Come lavoriamo: il video e'' una carrellata su tre dispositivi, quindi si vede piu grande e con i lati meno scuri, cosi il dispositivo attivo resta visibile accanto alla card */
#vstage.lb .vlayer video,#vstage.lb .vlayer .poster,#vstage.lb #vedge{transform:translate3d(0,var(--vdy,0px),0) scale(1.14)}
#vstage.lb #vedge{background:linear-gradient(to right,rgba(7,6,11,1) 0,rgba(7,6,11,.6) 3%,rgba(7,6,11,.2) 7%,rgba(7,6,11,0) 11%),linear-gradient(to left,rgba(7,6,11,1) 0,rgba(7,6,11,.6) 3%,rgba(7,6,11,.2) 7%,rgba(7,6,11,0) 11%),linear-gradient(to bottom,rgba(7,6,11,1) 0,rgba(7,6,11,.6) 4%,rgba(7,6,11,.2) 9%,rgba(7,6,11,0) 14%),linear-gradient(to top,rgba(7,6,11,1) 0,rgba(7,6,11,.6) 4%,rgba(7,6,11,.2) 9%,rgba(7,6,11,0) 14%)}
#dim{position:absolute;inset:0;background:var(--canvas);opacity:var(--dim);pointer-events:none}
#vig{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 120% 95% at 50% 46%,rgba(7,6,11,0) 40%,rgba(7,6,11,.7) 100%)}
#env{position:fixed;inset:0;z-index:1;width:100%;height:100%;pointer-events:none;opacity:var(--envo,0);transition:opacity 1s var(--ease)}

/* ---------- Menu ---------- */
.nav{position:fixed;left:0;right:0;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--gutter);border-bottom:1px solid transparent;transition:background .4s var(--ease),border-color .4s var(--ease)}
.nav.solid{background:rgba(7,6,11,.82);border-color:var(--line)}
/* Logo tipografico: la parola NEXCORE, con la O sostituita da un esagono sottile e un puntino luminoso (il "core") */
.brand{display:inline-flex;align-items:center;text-decoration:none}
.logo{font:700 1.15rem/1 var(--f-display);letter-spacing:.16em;color:var(--text-primary);white-space:nowrap}
.logo-o{display:inline-block;width:.9em;height:.9em;vertical-align:-.075em;margin:0 .12em 0 -.025em;overflow:visible;animation:logoBreath 4s ease-in-out infinite}
.logo-o .hx{fill:none;stroke:var(--accent-hover);stroke-width:1.55;stroke-linejoin:round}
.logo-o .halo{fill:rgba(185,132,240,.26);animation:logoCore 4s ease-in-out infinite}
.logo-o .core{fill:#F6F1FF}
.logo-o .halo,.logo-o .core{transform-box:fill-box;transform-origin:center}
/* respiro continuo: un alone viola leggero che si accende e si spegne piano, sempre (il sistema e' "vivo").
   Il bagliore e' sull'intero disegno (non sui singoli tratti): cosi' funziona anche su Safari */
@keyframes logoBreath{0%,100%{filter:drop-shadow(0 0 0 rgba(155,79,219,0))}50%{filter:drop-shadow(0 0 3px rgba(155,79,219,.85)) drop-shadow(0 0 8px rgba(155,79,219,.4))}}
@keyframes logoCore{0%,100%{opacity:.55}50%{opacity:1}}
/* a diagnosi completata: lampo forte bianco e viola, poi si torna subito al respiro */
.logo-o.lit{animation:logoFlash 1.1s cubic-bezier(.2,.7,.2,1) both}
.logo-o.lit .hx{animation:logoHxFlash 1.1s cubic-bezier(.2,.7,.2,1) both}
.logo-o.lit .halo{animation:logoHaloFlash 1.1s cubic-bezier(.2,.7,.2,1) both}
.logo-o.lit .core{animation:logoDotFlash 1.1s cubic-bezier(.2,.7,.2,1) both}
@keyframes logoFlash{0%{filter:drop-shadow(0 0 0 rgba(255,255,255,0))}14%{filter:drop-shadow(0 0 4px rgba(255,255,255,.95)) drop-shadow(0 0 12px rgba(185,132,240,1)) drop-shadow(0 0 22px rgba(155,79,219,.8))}100%{filter:drop-shadow(0 0 0 rgba(155,79,219,0))}}
@keyframes logoHxFlash{0%,100%{stroke:var(--accent-hover)}14%{stroke:#fff}45%{stroke:#D7B8FA}}
@keyframes logoHaloFlash{0%{opacity:.55;fill:rgba(185,132,240,.26);transform:scale(1)}14%{opacity:1;fill:rgba(236,220,255,.9);transform:scale(2.1)}55%{opacity:.85;fill:rgba(185,132,240,.5);transform:scale(1.4)}100%{opacity:.55;fill:rgba(185,132,240,.26);transform:scale(1)}}
@keyframes logoDotFlash{0%,100%{fill:#F6F1FF;transform:scale(1)}14%{fill:#fff;transform:scale(1.6)}}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font:600 .9375rem/1 var(--f-body);white-space:nowrap;transition:background .25s var(--ease),transform .25s var(--ease)}
.nav-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.nav-cta .short{display:none}
@media (max-width:900px){.nav-cta .long{display:none}.nav-cta .short{display:inline}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 30px;border:0;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font:600 1rem/1.2 var(--f-body);transition:background .25s var(--ease),transform .25s var(--ease)}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn[disabled]{opacity:.55;cursor:default;transform:none}

/* ---------- Elementi sempre presenti ---------- */
#boot{position:fixed;left:50%;bottom:3.2vh;transform:translateX(-50%);z-index:30;color:var(--text-secondary);opacity:.9;transition:opacity .8s var(--ease)}
#boot.gone{opacity:0;pointer-events:none}
#hud{position:fixed;left:clamp(14px,2.2vw,30px);bottom:clamp(14px,2.4vh,26px);z-index:30;display:flex;gap:18px;color:var(--text-secondary);font-size:.6875rem;opacity:.85}
.corner{position:fixed;z-index:30;width:22px;height:22px;border:1px solid var(--edge-hi);pointer-events:none;opacity:.55}
.corner.tl{left:14px;top:76px;border-right:0;border-bottom:0}.corner.tr{right:14px;top:76px;border-left:0;border-bottom:0}
.corner.bl{left:14px;bottom:14px;border-right:0;border-top:0}.corner.br{right:14px;bottom:14px;border-left:0;border-top:0}

/* ---------- Spaziatori delle scene ---------- */
.seg{position:relative;z-index:2}
#s1{height:var(--h-s1)}#s2{height:var(--h-s2)}#s3{height:var(--h-s3)}#s4{height:var(--h-s4)}
.static-copy{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}

/* ---------- Overlay di scena ---------- */
.ov{position:fixed;inset:0;z-index:20;pointer-events:none}
.band{position:absolute;left:0;right:0;top:15vh;padding:0 6vw;text-align:center;opacity:0;text-shadow:var(--tshadow)}
.hero{position:absolute;left:0;right:0;top:14vh;padding:0 6vw;text-align:center;opacity:0;text-shadow:var(--tshadow)}
.hero .kicker{justify-content:center;margin-bottom:18px}.hero .kicker::before{display:none}
.hero-h{font:700 clamp(1.7rem,min(4.2vw,6.4vh),max(4rem,5.2vh))/1.06 var(--f-display);letter-spacing:-.012em;text-wrap:balance;max-width:17em;margin:0 auto}
.hero-sub{margin:16px auto 24px;max-width:46em;text-wrap:balance;font-size:clamp(1.0625rem,1.5vw,max(1.3125rem,1.7vh));color:var(--text-primary)}
.hero-note{margin-top:14px;font-size:.9375rem;color:var(--text-secondary)}
.static-copy .hero-note{text-align:center}
.hero{isolation:isolate}
.hero::before{content:"";position:absolute;z-index:-1;left:50%;top:-6vh;width:min(112vw,1500px);height:calc(100% + 14vh);transform:translateX(-50%);background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(7,6,11,.8) 0,rgba(7,6,11,.66) 38%,rgba(7,6,11,.3) 68%,rgba(7,6,11,0) 100%);pointer-events:none}
.hero .btn{pointer-events:none;text-shadow:none}.hero.act .btn{pointer-events:auto}
.bh{font:700 clamp(1.7rem,min(4.4vw,6.4vh),max(4.2rem,5.4vh))/1.06 var(--f-display);letter-spacing:-.012em;text-wrap:balance;max-width:20em;margin:0 auto}
.bh .ln{display:block}
.w{display:inline-block;white-space:nowrap;padding-bottom:.14em;margin-bottom:-.14em}
.c{display:inline-block}
.m-led .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3.2,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*8px))}
.m-snap .c{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*-24px))}
.m-rise .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*30px))}
.cue{position:absolute;left:50%;bottom:6.5vh;transform:translateX(-50%);color:var(--text-primary);font-size:.9375rem;opacity:0;white-space:nowrap}
.cue::after{content:"";display:block;width:1px;height:28px;margin:10px auto 0;background:var(--accent-hover);transform-origin:top;animation:cue 2.4s var(--ease-io) infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* Diagnosi */
.diag{position:absolute;left:50%;bottom:6vh;width:min(1080px,92vw);padding:18px 22px;text-align:center;opacity:0;transform:translate(-50%,24px);pointer-events:none;transition:opacity .55s var(--ease),transform .7s var(--ease)}
.diag.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.diag .step{display:none}.diag .step.on{display:block}
.prompt{color:var(--accent-text);margin-bottom:14px;min-height:1.5em;font-size:.875rem}
.prompt::after{content:"";display:inline-block;width:.5em;height:1em;margin-left:.3em;vertical-align:-.15em;background:var(--accent-hover);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.chip-btn{min-height:46px;padding:9px 20px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(16,13,23,.8);color:var(--text-primary);font:500 1rem/1.2 var(--f-body);transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease)}
.chip-btn:hover{border-color:var(--accent-hover);transform:translateY(-2px)}
.chip-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent-hover);color:#fff}
.row-actions{margin-top:14px;display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.hint{color:var(--text-secondary)}
.skip-diag{position:absolute;right:calc(var(--stage-l) + max(16px,3vw));top:86px;background:rgba(8,8,15,.7);border:1px solid var(--line-strong);color:var(--text-secondary);border-radius:999px;padding:11px 18px;min-height:44px;opacity:0;pointer-events:none;transition:opacity .5s var(--ease),color .25s,border-color .25s}
.skip-diag.on{opacity:1;pointer-events:auto}
.skip-diag:hover{color:var(--text-primary);border-color:var(--accent-hover)}
.dhead{position:absolute;left:50%;top:13vh;transform:translateX(-50%);padding:10px 18px;border-radius:12px;background:rgba(8,8,15,.72);border:1px solid var(--edge);color:var(--accent-text);white-space:nowrap;opacity:0;transition:opacity .5s var(--ease)}
.dhead.on{opacity:1}
.dl,.tl{position:absolute;width:var(--lw,250px);padding:16px 18px;opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.dl.on,.tl.on{opacity:1;transform:none}
.dl .k,.tl .k{color:var(--accent-text);margin-bottom:6px;font-size:.75rem}
.dl .t p,.tl .t p{font-size:1.0625rem;line-height:1.4}
.dl .t p+p,.tl .t p+p{margin-top:6px;padding-top:6px;border-top:1px solid var(--line)}
#dlines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
#dlines{opacity:0;transition:opacity .5s var(--ease)}#dlines.on{opacity:1}
#dlines path{fill:none;stroke:var(--accent-hover);stroke-width:1.3}
#dlines circle{fill:var(--accent-hover)}
.dres-list{display:none}

/* S3 sullo schermo */
.s3cap{position:absolute;left:0;right:0;top:12vh;padding:0 6vw;text-align:center;opacity:0;text-shadow:var(--tshadow)}
.s3cap .kicker{justify-content:center}
.s3cap .h2{max-width:26ch;margin:0 auto;font-size:clamp(1.5rem,min(3.2vw,4.8vh),max(3rem,3.9vh))}

/* S4 */
.s4head{position:absolute;left:calc(var(--stage-l) + var(--gutter));top:12vh;max-width:min(560px,86vw);text-shadow:var(--tshadow);opacity:0}
.s4head .h2{font-size:clamp(1.7rem,min(3.6vw,5.4vh),max(3.2rem,4.2vh))}
.track{position:absolute;left:50%;bottom:15vh;display:grid;width:min(max(520px,36vh),80vw);transform:translateX(-50%);opacity:0}   /* le tre card sono impilate: davanti quella attiva, dietro le altre */
.panel{grid-area:1/1;align-self:stretch;width:100%;transform-origin:50% 50%;will-change:transform,opacity;background:rgba(12,9,19,.9);padding:26px 28px 28px;pointer-events:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.panel:hover,.panel:focus-visible{border-color:var(--edge-hi)}
.panel .num{font:700 4.4rem/1 var(--f-display);color:transparent;-webkit-text-stroke:1.4px var(--accent-hover);margin-bottom:12px}
.panel h3{color:var(--accent-text);margin-bottom:10px}
.panel p{color:var(--text-primary);font-size:1.0625rem}
.panel .keep{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--accent-text)}
#s4line{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;opacity:0}
#s4line path{fill:none;stroke:var(--accent-hover);stroke-width:1.2;opacity:.75}
#s4line circle{fill:var(--accent-hover)}
.dots{position:absolute;left:50%;bottom:6vh;transform:translateX(-50%);display:flex;gap:10px;opacity:0}
.track.act .panel,.dots.act{pointer-events:auto}.dots i{cursor:pointer;width:34px;height:3px;background:var(--line-strong);border-radius:2px;transition:background .4s var(--ease)}
.dots i.on{background:var(--accent-hover)}
#cue4{bottom:9vh;left:auto;right:calc(var(--stage-l) + var(--gutter));transform:none}
#cue4::after{display:none}

/* ---------- Vetro ---------- */
.glass{position:relative;border-radius:20px;background:rgba(16,13,23,.5);border:1px solid var(--edge);box-shadow:0 20px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(20px) saturate(1.3);-webkit-backdrop-filter:blur(20px) saturate(1.3);--mx:50%;--my:50%}
.glass::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:1px solid var(--edge-hi);pointer-events:none;opacity:0;transition:opacity .35s var(--ease);-webkit-mask:radial-gradient(200px circle at var(--mx) var(--my),#000 0,transparent 100%);mask:radial-gradient(200px circle at var(--mx) var(--my),#000 0,transparent 100%)}
.glass:hover::after,.glass.touch::after{opacity:1}
.glass.live{background:rgba(10,8,16,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.diag.glass,.dl.glass,.tl.glass{position:absolute}
.lowfx .glass,.lowfx .glass.live{background:rgba(12,9,19,.9);backdrop-filter:none;-webkit-backdrop-filter:none}

/* ---------- Sezioni di contenuto ---------- */
.blk{position:relative;z-index:2;padding:clamp(72px,11vw,150px) var(--gutter)}
.wrap{max-width:1240px;margin:0 auto}
.wrap.center{text-align:center}
.kicker{display:flex;align-items:center;gap:12px;color:var(--accent-text);margin-bottom:20px}
.kicker::before{content:"";width:28px;height:1px;background:var(--accent-hover)}
.center .kicker{justify-content:center}
.h2{font:700 clamp(2rem,4.8vw,4.4rem)/1.04 var(--f-display);letter-spacing:-.012em;max-width:16ch}
.center .h2{margin:0 auto;max-width:18ch}
.lede{margin-top:22px;max-width:56ch;font-size:clamp(1.0625rem,1.5vw,1.25rem);color:var(--text-secondary)}
.center .lede{margin-left:auto;margin-right:auto}
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

#s3b{background:transparent}
.mods{margin-top:clamp(32px,4vw,56px);display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mod{padding:clamp(24px,2.6vw,34px);overflow:hidden}
.mod .no{color:var(--accent-text);margin-bottom:22px}
.mod h3{font:700 clamp(1.4rem,2.2vw,1.9rem)/1.1 var(--f-display);margin-bottom:12px}
.mod p.d{color:var(--text-secondary);max-width:38ch}
.mod .tag{position:absolute;right:18px;top:18px;color:var(--accent-text);opacity:0;transition:opacity .4s var(--ease)}
.mod.rec{border-color:var(--edge-hi)}
.mod.rec .tag{opacity:1}
.mod .acts{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.inc{min-height:46px;padding:0 18px;border-radius:999px;border:1px solid var(--line-strong);background:transparent;font:500 .9375rem/1 var(--f-body);transition:background .25s var(--ease),border-color .25s var(--ease)}
.inc:hover{border-color:var(--accent-hover)}
.inc[aria-pressed="true"]{background:var(--accent);border-color:var(--accent-hover);color:#fff}

.calm{background:rgba(7,6,11,.9)}
.faq{margin-top:clamp(28px,4vw,56px);max-width:940px}
.q{border-top:1px solid var(--line)}.q:last-child{border-bottom:1px solid var(--line)}
.q button{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;min-height:68px;padding:18px 4px;background:none;border:0;text-align:left;font:600 clamp(1.0625rem,1.7vw,1.3rem)/1.3 var(--f-body)}
.q .pm{position:relative;flex:0 0 22px;height:22px}
.q .pm::before,.q .pm::after{content:"";position:absolute;left:0;right:0;top:50%;height:1.6px;background:var(--accent-hover);transition:transform .35s var(--ease)}
.q .pm::after{transform:rotate(90deg)}
.q.open .pm::after{transform:rotate(0)}
.q .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
.q.open .a{grid-template-rows:1fr}
.q .a>div{overflow:hidden}
.q .a p{padding:0 4px 24px;color:var(--text-secondary);max-width:62ch}
.two{margin-top:clamp(32px,4vw,56px);display:grid;grid-template-columns:1fr 1fr;gap:20px}
.two .glass{padding:clamp(22px,3vw,36px)}
.two h3{color:var(--accent-text);margin-bottom:18px}
.two li{padding:12px 0;border-top:1px solid var(--line)}
.two li:first-child{border-top:0}
.two .no li,.two .no h3{color:var(--text-secondary)}

/* S6 */
#s6{min-height:100vh;padding-top:clamp(90px,12vw,150px)}
.socket-zone{margin-top:clamp(28px,4vw,52px);display:flex;flex-direction:column;align-items:center;gap:14px}
.socket{width:136px;height:136px;padding:0;border:0;border-radius:50%;background:transparent;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform .3s var(--ease)}
.socket svg{width:100%;height:100%;overflow:visible}
.socket .base{fill:var(--panel);stroke:var(--line-strong);stroke-width:1.6}
.socket .track{fill:none;stroke:var(--line);stroke-width:4}
.socket .prog{fill:none;stroke:var(--accent-hover);stroke-width:4;stroke-linecap:round}
.socket .plug{fill:none;stroke:var(--text-primary);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.socket-hint{color:var(--text-secondary)}
.link-alt{background:none;border:0;padding:8px 6px;min-height:44px;color:var(--text-secondary);text-decoration:underline;text-underline-offset:4px}
.link-alt:hover{color:var(--text-primary)}
.after{max-width:640px;margin:clamp(30px,4vw,50px) auto 0;text-align:left;display:grid;grid-template-rows:0fr;transition:grid-template-rows .8s var(--ease)}
.after.open{grid-template-rows:1fr}
.after>div{overflow:hidden;border-radius:26px;padding:0 22px;background:rgba(7,5,13,.72);transition:padding .8s var(--ease)}   /* fondo scuro dietro il modulo: i campi si leggono meglio sul video */
.after.open>div{padding:22px}
.recap{padding:18px 22px;margin-bottom:20px;font-size:1.0625rem;background:rgba(14,10,24,.9);backdrop-filter:none;-webkit-backdrop-filter:none}   /* quasi opaco: la sfocatura non si vedrebbe e su iPad pesa sul video fisso dietro */
.after{contain:layout paint}   /* aprire il modulo non costringe il browser a ricalcolare il resto della pagina */
.recap .mono{display:block;color:var(--accent-text);margin-bottom:8px;font-size:.75rem}
form{display:grid;gap:16px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label.fl{display:grid;gap:8px;font-size:.9375rem;color:var(--text-secondary)}
label.fl input,label.fl textarea{width:100%;min-height:52px;padding:13px 16px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(16,13,23,.92);color:var(--text-primary);font:400 1rem/1.4 var(--f-body);transition:border-color .25s var(--ease)}
label.fl textarea{min-height:110px;resize:vertical}
label.fl input:focus,label.fl textarea:focus{outline:none;border-color:var(--accent-hover);box-shadow:0 0 0 3px rgba(123,44,191,.35)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:var(--text-secondary);line-height:1.5}
.consent input{margin-top:3px;width:20px;height:20px;accent-color:var(--accent);flex:0 0 20px}
.consent a{color:var(--text-primary)}
.hp{position:absolute!important;left:-9999px;opacity:0;pointer-events:none;height:0;overflow:hidden}
.msg{padding:16px 18px;border-radius:12px;display:none}
.msg.ok{display:block;border:1px solid var(--accent-hover);background:rgba(123,44,191,.18)}
.msg.err{display:block;border:1px solid #C26A7A;background:rgba(194,106,122,.12)}
.err-field{border-color:#C26A7A!important}

footer{position:relative;z-index:2;background:var(--canvas);border-top:1px solid var(--line);padding:44px var(--gutter) 128px}
.foot{max-width:1240px;margin:0 auto;display:flex;flex-wrap:wrap;gap:28px 60px;justify-content:space-between;align-items:flex-start}
footer .brand{margin-bottom:12px}
footer p,footer li{font-size:.9375rem;color:var(--text-secondary);line-height:1.7}
footer a{color:var(--text-primary);text-underline-offset:4px}
footer h3{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);margin-bottom:10px}
.foot-brand p{max-width:30ch}
.foot-legal{max-width:1240px;margin:34px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:6px 40px;justify-content:space-between}
.foot-legal p{font-size:.8125rem;line-height:1.6;color:var(--text-secondary)}

/* ---------- Telefono, tablet in verticale, tocco, movimento ridotto ---------- */
@media (max-width:720px),(orientation:portrait) and (max-width:1024px),(orientation:portrait) and (pointer:coarse),(orientation:landscape) and (pointer:coarse) and (max-height:560px),(prefers-reduced-motion:reduce){
  .seg,#s1,#s2,#s3,#s4{height:auto}
  .vlayer video{display:none}
  .ov{position:static;inset:auto;pointer-events:auto}
  #dim{opacity:.62}
  #s1{min-height:100svh;display:flex;align-items:center;padding:110px var(--gutter) 40px}
  .static-copy{position:relative;width:100%;height:auto;overflow:visible;clip:auto;clip-path:none;white-space:normal;text-align:center;max-width:720px;margin:0 auto}
  .static-copy .kicker{justify-content:center;margin-bottom:18px}
  .static-copy .kicker::before{display:none}
  .static-copy h1{font:700 clamp(1.7rem,6.4vw,3.4rem)/1.06 var(--f-display);margin-bottom:18px}
  .static-copy .sub{color:var(--text-secondary);margin-bottom:26px}
  #ov1,.skip-diag,.dhead,.dl,.dnote,#dlines,#s4line,.cue,.dots,#hud,.corner,#boot{display:none!important}
  #s2{padding:20px var(--gutter)}
  .diag{position:relative;left:auto;bottom:auto;transform:none;opacity:1;pointer-events:auto;width:100%;max-width:720px;margin:0 auto}
  .diag.on{transform:none}
  .dres-list{display:block;margin-top:14px;text-align:left}
  #s3{padding:30px var(--gutter)}
  .s3cap{position:static;opacity:1;padding:0;margin-bottom:18px;text-align:left}
  .s3cap .kicker{justify-content:flex-start}
  .tl{position:relative;width:auto;opacity:1;transform:none;margin-bottom:10px;left:auto!important;top:auto!important}
  #s4{padding:30px var(--gutter) 60px}
  .s4head{position:static;opacity:1;margin-bottom:20px}
  .track{position:static;display:grid;gap:14px;width:auto;opacity:1;transform:none!important}
  .panel{grid-area:auto;align-self:auto;width:auto;cursor:auto;pointer-events:auto;transform:none!important;opacity:1!important;visibility:visible!important}
  .mods,.two,.f2{grid-template-columns:1fr}
}
@media (max-width:980px){.mods,.two,.f2{grid-template-columns:1fr}}
@media (max-height:560px){.cue{display:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
  .prompt::after{display:none}
}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

/* touch: se dopo il primo scroll l'area visibile e' piu' alta dei livelli fissi, la zona scoperta in fondo mostra il riflesso del fondo (come un tavolo lucido) e non una banda nera */
@media (pointer:coarse){#vstage{overflow:visible;-webkit-box-reflect:below 0 linear-gradient(to bottom,transparent 55%,rgba(255,255,255,.7))}}

/* pulsante del menu: compare solo quando quello dell'apertura non e' piu' in vista (una sola chiamata per volta) */
.nav-cta{opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px);transition:opacity .5s var(--ease),transform .5s var(--ease),visibility 0s linear .5s,background .25s var(--ease)}
.nav-cta.show{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
.nav-cta.show:hover{transform:translateY(-1px)}

/* diagnosi su touch: mentre il video si muove, i riquadri non sfocano lo sfondo (alleggerisce molto l'iPad) */
.loopfx .glass,.loopfx .glass.live{background:rgba(12,9,19,.9);backdrop-filter:none;-webkit-backdrop-filter:none}

#redo{display:block;margin:2px auto 0;font-size:.9375rem}
#redo[hidden]{display:none}

/* icona WhatsApp: vetro scuro come le card, diventa verde quando la tocchi */
.wa{position:fixed;z-index:60;right:max(26px,calc(env(safe-area-inset-right) + 18px));bottom:max(44px,calc(env(safe-area-inset-bottom) + 30px));display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-primary);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease),bottom .6s var(--ease),visibility 0s linear .5s;-webkit-tap-highlight-color:transparent}
.wa.show{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
.wa.up{bottom:max(31vh,calc(env(safe-area-inset-bottom) + 30px))}   /* diagnosi, Il tuo sistema e fondo pagina: sale sopra i widget e sopra il footer */
.wa.hi{bottom:66vh}   /* in Come lavoriamo: sopra le card */
.wa-ic{position:relative;flex:0 0 auto;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;overflow:hidden;background:rgba(16,13,23,.72);border:1px solid var(--edge);box-shadow:0 14px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);color:#E6E2EF;transition:background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease)}
.wa-ic svg{position:relative;width:28px;height:28px}
.wa-ic::before{content:"";position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.4),transparent 70%);transform:scale(0);opacity:0}
.wa-lab{padding:10px 16px;border-radius:999px;background:rgba(16,13,23,.82);border:1px solid var(--edge);font-size:.9375rem;line-height:1.2;white-space:nowrap;opacity:0;transform:translateX(10px);pointer-events:none;transition:opacity .35s var(--ease),transform .35s var(--ease)}
.wa.hint .wa-lab,.wa:hover .wa-lab,.wa:focus-visible .wa-lab{opacity:1;transform:none}
.wa:hover .wa-ic,.wa:focus-visible .wa-ic,.wa.press .wa-ic{background:#25D366;border-color:#25D366;color:#fff;box-shadow:0 14px 44px rgba(37,211,102,.38),inset 0 1px 0 rgba(255,255,255,.3)}
.wa.press .wa-ic{transform:scale(.94)}
.wa.press .wa-ic::before{animation:waRipple .6s var(--ease) forwards}
.wa:focus-visible{outline:none}
.wa:focus-visible .wa-ic{box-shadow:0 0 0 3px rgba(37,211,102,.5),0 14px 44px rgba(37,211,102,.38)}
.wa{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation}
.wa-ic,.wa-lab{-webkit-user-drag:none}
/* QR per le presentazioni dal vivo (pressione lunga sull'icona) */
.waqr{position:fixed;inset:0;z-index:150;display:grid;place-items:center;padding:24px;background:rgba(5,4,9,.78);opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility 0s linear .35s}
.waqr.open{opacity:1;visibility:visible;transition-delay:0s}
.waqr-card{width:min(88vw,380px);padding:30px 30px 26px;border-radius:28px;text-align:center;background:rgba(16,13,23,.94);border:1px solid var(--edge-hi);box-shadow:0 30px 90px rgba(0,0,0,.65),0 0 70px rgba(123,44,191,.25),inset 0 1px 0 rgba(255,255,255,.08);transform:translateY(12px) scale(.96);transition:transform .45s var(--ease);outline:none}
.waqr.open .waqr-card{transform:none}
.waqr-k{color:var(--accent-text);margin-bottom:10px}
.waqr-card h2{font:700 1.5rem/1.15 var(--f-display);letter-spacing:-.01em;margin:0 0 20px}
.waqr-code{display:grid;place-items:center;width:fit-content;margin:0 auto;padding:16px;border-radius:20px;background:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.2),0 12px 34px rgba(0,0,0,.45)}
.waqr-code svg{display:block;width:min(62vw,252px);height:auto}
.waqr-n{margin-top:18px;font-size:.9375rem;line-height:1.45;color:var(--text-secondary)}
@media (prefers-reduced-motion:reduce){.waqr,.waqr-card{transition:none}}
@keyframes waRipple{from{transform:scale(0);opacity:.9}to{transform:scale(1.4);opacity:0}}
@media (max-width:1280px){.wa-lab{white-space:normal;width:172px;text-align:center;border-radius:20px}}   /* su schermi stretti l'etichetta va su due righe, cosi' non copre il modulo */
@media (max-width:560px){.wa.hint .wa-lab{opacity:0}}
@media (prefers-reduced-motion:reduce){.wa,.wa-ic,.wa-lab{transition:none}.wa.press .wa-ic::before{animation:none}}
#veil{position:fixed;inset:0;z-index:180;background:var(--canvas);opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
#veil.on{opacity:1;pointer-events:auto}
.nofade .vlayer{transition:none!important}

/* nota 'prendiamo in carico' sotto i tre widget della diagnosi */
.dnote{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);width:min(92vw,640px);text-align:center;font-size:.8125rem;line-height:1.45;color:var(--text-secondary);opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.dnote.on{opacity:1}
.hint-note{margin-top:14px;color:var(--text-secondary);font-size:1rem}

/* sezione servizi: blocco sotto le card e sigla AI leggibile nei titoli */
.startnote{margin-top:clamp(28px,4vw,48px);max-width:68ch}
.startnote p{font-size:clamp(1.0625rem,1.5vw,1.1875rem);color:var(--text-primary)}
.startnote b{font-weight:600}
.startnote ul{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.startnote li{padding:9px 16px;border:1px solid var(--line-strong);border-radius:999px;font-size:.9375rem;color:var(--text-secondary)}
.mod h3 .ai{font-family:var(--f-mono);font-weight:500;letter-spacing:.03em;font-size:.92em}
#h-s3b{max-width:22ch;text-wrap:balance}
.mod .d .ai{font-family:var(--f-mono);font-weight:500;font-size:.92em}